google_forms/assets/js/jquery-ui.js

/*! jQuery UI - v1.12.1 - 2016-09-14
 * http://jqueryui.com
 * Includes: widget.js, position.js, data.js, disable-selection.js, effect.js, effects/effect-blind.js, effects/effect-bounce.js, effects/effect-clip.js, effects/effect-drop.js, effects/effect-explode.js, effects/effect-fade.js, effects/effect-fold.js, effects/effect-highlight.js, effects/effect-puff.js, effects/effect-pulsate.js, effects/effect-scale.js, effects/effect-shake.js, effects/effect-size.js, effects/effect-slide.js, effects/effect-transfer.js, focusable.js, form-reset-mixin.js, jquery-1-7.js, keycode.js, labels.js, scroll-parent.js, tabbable.js, unique-id.js, widgets/accordion.js, widgets/autocomplete.js, widgets/button.js, widgets/checkboxradio.js, widgets/controlgroup.js, widgets/datepicker.js, widgets/dialog.js, widgets/draggable.js, widgets/droppable.js, widgets/menu.js, widgets/mouse.js, widgets/progressbar.js, widgets/resizable.js, widgets/selectable.js, widgets/selectmenu.js, widgets/slider.js, widgets/sortable.js, widgets/spinner.js, widgets/tabs.js, widgets/tooltip.js
 * Copyright jQuery Foundation and other contributors; Licensed MIT */

;(function (factory) {
  if (typeof define === 'function' && define.amd) {
    // AMD. Register as an anonymous module.
    define(['jquery'], factory)
  } else {
    // Browser globals
    factory(jQuery)
  }
})(function ($) {
  $.ui = $.ui || {}

  var version = ($.ui.version = '1.12.1')

  /*!
   * jQuery UI Widget 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Widget
  //>>group: Core
  //>>description: Provides a factory for creating stateful widgets with a common API.
  //>>docs: http://api.jqueryui.com/jQuery.widget/
  //>>demos: http://jqueryui.com/widget/

  var widgetUuid = 0
  var widgetSlice = Array.prototype.slice

  $.cleanData = (function (orig) {
    return function (elems) {
      var events, elem, i
      for (i = 0; (elem = elems[i]) != null; i++) {
        try {
          // Only trigger remove when necessary to save time
          events = $._data(elem, 'events')
          if (events && events.remove) {
            $(elem).triggerHandler('remove')
          }

          // Http://bugs.jquery.com/ticket/8235
        } catch (e) {}
      }
      orig(elems)
    }
  })($.cleanData)

  $.widget = function (name, base, prototype) {
    var existingConstructor, constructor, basePrototype

    // ProxiedPrototype allows the provided prototype to remain unmodified
    // so that it can be used as a mixin for multiple widgets (#8876)
    var proxiedPrototype = {}

    var namespace = name.split('.')[0]
    name = name.split('.')[1]
    var fullName = namespace + '-' + name

    if (!prototype) {
      prototype = base
      base = $.Widget
    }

    if ($.isArray(prototype)) {
      prototype = $.extend.apply(null, [{}].concat(prototype))
    }

    // Create selector for plugin
    $.expr[':'][fullName.toLowerCase()] = function (elem) {
      return !!$.data(elem, fullName)
    }

    $[namespace] = $[namespace] || {}
    existingConstructor = $[namespace][name]
    constructor = $[namespace][name] = function (options, element) {
      // Allow instantiation without "new" keyword
      if (!this._createWidget) {
        return new constructor(options, element)
      }

      // Allow instantiation without initializing for simple inheritance
      // must use "new" keyword (the code above always passes args)
      if (arguments.length) {
        this._createWidget(options, element)
      }
    }

    // Extend with the existing constructor to carry over any static properties
    $.extend(constructor, existingConstructor, {
      version: prototype.version,

      // Copy the object used to create the prototype in case we need to
      // redefine the widget later
      _proto: $.extend({}, prototype),

      // Track widgets that inherit from this widget in case this widget is
      // redefined after a widget inherits from it
      _childConstructors: [],
    })

    basePrototype = new base()

    // We need to make the options hash a property directly on the new instance
    // otherwise we'll modify the options hash on the prototype that we're
    // inheriting from
    basePrototype.options = $.widget.extend({}, basePrototype.options)
    $.each(prototype, function (prop, value) {
      if (!$.isFunction(value)) {
        proxiedPrototype[prop] = value
        return
      }
      proxiedPrototype[prop] = (function () {
        function _super() {
          return base.prototype[prop].apply(this, arguments)
        }

        function _superApply(args) {
          return base.prototype[prop].apply(this, args)
        }

        return function () {
          var __super = this._super
          var __superApply = this._superApply
          var returnValue

          this._super = _super
          this._superApply = _superApply

          returnValue = value.apply(this, arguments)

          this._super = __super
          this._superApply = __superApply

          return returnValue
        }
      })()
    })
    constructor.prototype = $.widget.extend(
      basePrototype,
      {
        // TODO: remove support for widgetEventPrefix
        // always use the name + a colon as the prefix, e.g., draggable:start
        // don't prefix for widgets that aren't DOM-based
        widgetEventPrefix: existingConstructor
          ? basePrototype.widgetEventPrefix || name
          : name,
      },
      proxiedPrototype,
      {
        constructor: constructor,
        namespace: namespace,
        widgetName: name,
        widgetFullName: fullName,
      }
    )

    // If this widget is being redefined then we need to find all widgets that
    // are inheriting from it and redefine all of them so that they inherit from
    // the new version of this widget. We're essentially trying to replace one
    // level in the prototype chain.
    if (existingConstructor) {
      $.each(existingConstructor._childConstructors, function (i, child) {
        var childPrototype = child.prototype

        // Redefine the child widget using the same prototype that was
        // originally used, but inherit from the new version of the base
        $.widget(
          childPrototype.namespace + '.' + childPrototype.widgetName,
          constructor,
          child._proto
        )
      })

      // Remove the list of existing child constructors from the old constructor
      // so the old child constructors can be garbage collected
      delete existingConstructor._childConstructors
    } else {
      base._childConstructors.push(constructor)
    }

    $.widget.bridge(name, constructor)

    return constructor
  }

  $.widget.extend = function (target) {
    var input = widgetSlice.call(arguments, 1)
    var inputIndex = 0
    var inputLength = input.length
    var key
    var value

    for (; inputIndex < inputLength; inputIndex++) {
      for (key in input[inputIndex]) {
        value = input[inputIndex][key]
        if (input[inputIndex].hasOwnProperty(key) && value !== undefined) {
          // Clone objects
          if ($.isPlainObject(value)) {
            target[key] = $.isPlainObject(target[key])
              ? $.widget.extend({}, target[key], value)
              : // Don't extend strings, arrays, etc. with objects
                $.widget.extend({}, value)

            // Copy everything else by reference
          } else {
            target[key] = value
          }
        }
      }
    }
    return target
  }

  $.widget.bridge = function (name, object) {
    var fullName = object.prototype.widgetFullName || name
    $.fn[name] = function (options) {
      var isMethodCall = typeof options === 'string'
      var args = widgetSlice.call(arguments, 1)
      var returnValue = this

      if (isMethodCall) {
        // If this is an empty collection, we need to have the instance method
        // return undefined instead of the jQuery instance
        if (!this.length && options === 'instance') {
          returnValue = undefined
        } else {
          this.each(function () {
            var methodValue
            var instance = $.data(this, fullName)

            if (options === 'instance') {
              returnValue = instance
              return false
            }

            if (!instance) {
              return $.error(
                'cannot call methods on ' +
                  name +
                  ' prior to initialization; ' +
                  "attempted to call method '" +
                  options +
                  "'"
              )
            }

            if (!$.isFunction(instance[options]) || options.charAt(0) === '_') {
              return $.error(
                "no such method '" +
                  options +
                  "' for " +
                  name +
                  ' widget instance'
              )
            }

            methodValue = instance[options].apply(instance, args)

            if (methodValue !== instance && methodValue !== undefined) {
              returnValue =
                methodValue && methodValue.jquery
                  ? returnValue.pushStack(methodValue.get())
                  : methodValue
              return false
            }
          })
        }
      } else {
        // Allow multiple hashes to be passed on init
        if (args.length) {
          options = $.widget.extend.apply(null, [options].concat(args))
        }

        this.each(function () {
          var instance = $.data(this, fullName)
          if (instance) {
            instance.option(options || {})
            if (instance._init) {
              instance._init()
            }
          } else {
            $.data(this, fullName, new object(options, this))
          }
        })
      }

      return returnValue
    }
  }

  $.Widget = function (/* options, element */) {}
  $.Widget._childConstructors = []

  $.Widget.prototype = {
    widgetName: 'widget',
    widgetEventPrefix: '',
    defaultElement: '<div>',

    options: {
      classes: {},
      disabled: false,

      // Callbacks
      create: null,
    },

    _createWidget: function (options, element) {
      element = $(element || this.defaultElement || this)[0]
      this.element = $(element)
      this.uuid = widgetUuid++
      this.eventNamespace = '.' + this.widgetName + this.uuid

      this.bindings = $()
      this.hoverable = $()
      this.focusable = $()
      this.classesElementLookup = {}

      if (element !== this) {
        $.data(element, this.widgetFullName, this)
        this._on(true, this.element, {
          remove: function (event) {
            if (event.target === element) {
              this.destroy()
            }
          },
        })
        this.document = $(
          element.style
            ? // Element within the document
              element.ownerDocument
            : // Element is window or document
              element.document || element
        )
        this.window = $(
          this.document[0].defaultView || this.document[0].parentWindow
        )
      }

      this.options = $.widget.extend(
        {},
        this.options,
        this._getCreateOptions(),
        options
      )

      this._create()

      if (this.options.disabled) {
        this._setOptionDisabled(this.options.disabled)
      }

      this._trigger('create', null, this._getCreateEventData())
      this._init()
    },

    _getCreateOptions: function () {
      return {}
    },

    _getCreateEventData: $.noop,

    _create: $.noop,

    _init: $.noop,

    destroy: function () {
      var that = this

      this._destroy()
      $.each(this.classesElementLookup, function (key, value) {
        that._removeClass(value, key)
      })

      // We can probably remove the unbind calls in 2.0
      // all event bindings should go through this._on()
      this.element.off(this.eventNamespace).removeData(this.widgetFullName)
      this.widget().off(this.eventNamespace).removeAttr('aria-disabled')

      // Clean up events and states
      this.bindings.off(this.eventNamespace)
    },

    _destroy: $.noop,

    widget: function () {
      return this.element
    },

    option: function (key, value) {
      var options = key
      var parts
      var curOption
      var i

      if (arguments.length === 0) {
        // Don't return a reference to the internal hash
        return $.widget.extend({}, this.options)
      }

      if (typeof key === 'string') {
        // Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
        options = {}
        parts = key.split('.')
        key = parts.shift()
        if (parts.length) {
          curOption = options[key] = $.widget.extend({}, this.options[key])
          for (i = 0; i < parts.length - 1; i++) {
            curOption[parts[i]] = curOption[parts[i]] || {}
            curOption = curOption[parts[i]]
          }
          key = parts.pop()
          if (arguments.length === 1) {
            return curOption[key] === undefined ? null : curOption[key]
          }
          curOption[key] = value
        } else {
          if (arguments.length === 1) {
            return this.options[key] === undefined ? null : this.options[key]
          }
          options[key] = value
        }
      }

      this._setOptions(options)

      return this
    },

    _setOptions: function (options) {
      var key

      for (key in options) {
        this._setOption(key, options[key])
      }

      return this
    },

    _setOption: function (key, value) {
      if (key === 'classes') {
        this._setOptionClasses(value)
      }

      this.options[key] = value

      if (key === 'disabled') {
        this._setOptionDisabled(value)
      }

      return this
    },

    _setOptionClasses: function (value) {
      var classKey, elements, currentElements

      for (classKey in value) {
        currentElements = this.classesElementLookup[classKey]
        if (
          value[classKey] === this.options.classes[classKey] ||
          !currentElements ||
          !currentElements.length
        ) {
          continue
        }

        // We are doing this to create a new jQuery object because the _removeClass() call
        // on the next line is going to destroy the reference to the current elements being
        // tracked. We need to save a copy of this collection so that we can add the new classes
        // below.
        elements = $(currentElements.get())
        this._removeClass(currentElements, classKey)

        // We don't use _addClass() here, because that uses this.options.classes
        // for generating the string of classes. We want to use the value passed in from
        // _setOption(), this is the new value of the classes option which was passed to
        // _setOption(). We pass this value directly to _classes().
        elements.addClass(
          this._classes({
            element: elements,
            keys: classKey,
            classes: value,
            add: true,
          })
        )
      }
    },

    _setOptionDisabled: function (value) {
      this._toggleClass(
        this.widget(),
        this.widgetFullName + '-disabled',
        null,
        !!value
      )

      // If the widget is becoming disabled, then nothing is interactive
      if (value) {
        this._removeClass(this.hoverable, null, 'ui-state-hover')
        this._removeClass(this.focusable, null, 'ui-state-focus')
      }
    },

    enable: function () {
      return this._setOptions({ disabled: false })
    },

    disable: function () {
      return this._setOptions({ disabled: true })
    },

    _classes: function (options) {
      var full = []
      var that = this

      options = $.extend(
        {
          element: this.element,
          classes: this.options.classes || {},
        },
        options
      )

      function processClassString(classes, checkOption) {
        var current, i
        for (i = 0; i < classes.length; i++) {
          current = that.classesElementLookup[classes[i]] || $()
          if (options.add) {
            current = $($.unique(current.get().concat(options.element.get())))
          } else {
            current = $(current.not(options.element).get())
          }
          that.classesElementLookup[classes[i]] = current
          full.push(classes[i])
          if (checkOption && options.classes[classes[i]]) {
            full.push(options.classes[classes[i]])
          }
        }
      }

      this._on(options.element, {
        remove: '_untrackClassesElement',
      })

      if (options.keys) {
        processClassString(options.keys.match(/\S+/g) || [], true)
      }
      if (options.extra) {
        processClassString(options.extra.match(/\S+/g) || [])
      }

      return full.join(' ')
    },

    _untrackClassesElement: function (event) {
      var that = this
      $.each(that.classesElementLookup, function (key, value) {
        if ($.inArray(event.target, value) !== -1) {
          that.classesElementLookup[key] = $(value.not(event.target).get())
        }
      })
    },

    _removeClass: function (element, keys, extra) {
      return this._toggleClass(element, keys, extra, false)
    },

    _addClass: function (element, keys, extra) {
      return this._toggleClass(element, keys, extra, true)
    },

    _toggleClass: function (element, keys, extra, add) {
      add = typeof add === 'boolean' ? add : extra
      var shift = typeof element === 'string' || element === null,
        options = {
          extra: shift ? keys : extra,
          keys: shift ? element : keys,
          element: shift ? this.element : element,
          add: add,
        }
      options.element.toggleClass(this._classes(options), add)
      return this
    },

    _on: function (suppressDisabledCheck, element, handlers) {
      var delegateElement
      var instance = this

      // No suppressDisabledCheck flag, shuffle arguments
      if (typeof suppressDisabledCheck !== 'boolean') {
        handlers = element
        element = suppressDisabledCheck
        suppressDisabledCheck = false
      }

      // No element argument, shuffle and use this.element
      if (!handlers) {
        handlers = element
        element = this.element
        delegateElement = this.widget()
      } else {
        element = delegateElement = $(element)
        this.bindings = this.bindings.add(element)
      }

      $.each(handlers, function (event, handler) {
        function handlerProxy() {
          // Allow widgets to customize the disabled handling
          // - disabled as an array instead of boolean
          // - disabled class as method for disabling individual parts
          if (
            !suppressDisabledCheck &&
            (instance.options.disabled === true ||
              $(this).hasClass('ui-state-disabled'))
          ) {
            return
          }
          return (
            typeof handler === 'string' ? instance[handler] : handler
          ).apply(instance, arguments)
        }

        // Copy the guid so direct unbinding works
        if (typeof handler !== 'string') {
          handlerProxy.guid = handler.guid =
            handler.guid || handlerProxy.guid || $.guid++
        }

        var match = event.match(/^([\w:-]*)\s*(.*)$/)
        var eventName = match[1] + instance.eventNamespace
        var selector = match[2]

        if (selector) {
          delegateElement.on(eventName, selector, handlerProxy)
        } else {
          element.on(eventName, handlerProxy)
        }
      })
    },

    _off: function (element, eventName) {
      eventName =
        (eventName || '').split(' ').join(this.eventNamespace + ' ') +
        this.eventNamespace
      element.off(eventName).off(eventName)

      // Clear the stack to avoid memory leaks (#10056)
      this.bindings = $(this.bindings.not(element).get())
      this.focusable = $(this.focusable.not(element).get())
      this.hoverable = $(this.hoverable.not(element).get())
    },

    _delay: function (handler, delay) {
      function handlerProxy() {
        return (
          typeof handler === 'string' ? instance[handler] : handler
        ).apply(instance, arguments)
      }
      var instance = this
      return setTimeout(handlerProxy, delay || 0)
    },

    _hoverable: function (element) {
      this.hoverable = this.hoverable.add(element)
      this._on(element, {
        mouseenter: function (event) {
          this._addClass($(event.currentTarget), null, 'ui-state-hover')
        },
        mouseleave: function (event) {
          this._removeClass($(event.currentTarget), null, 'ui-state-hover')
        },
      })
    },

    _focusable: function (element) {
      this.focusable = this.focusable.add(element)
      this._on(element, {
        focusin: function (event) {
          this._addClass($(event.currentTarget), null, 'ui-state-focus')
        },
        focusout: function (event) {
          this._removeClass($(event.currentTarget), null, 'ui-state-focus')
        },
      })
    },

    _trigger: function (type, event, data) {
      var prop, orig
      var callback = this.options[type]

      data = data || {}
      event = $.Event(event)
      event.type = (
        type === this.widgetEventPrefix ? type : this.widgetEventPrefix + type
      ).toLowerCase()

      // The original event may come from any element
      // so we need to reset the target on the new event
      event.target = this.element[0]

      // Copy original event properties over to the new event
      orig = event.originalEvent
      if (orig) {
        for (prop in orig) {
          if (!(prop in event)) {
            event[prop] = orig[prop]
          }
        }
      }

      this.element.trigger(event, data)
      return !(
        ($.isFunction(callback) &&
          callback.apply(this.element[0], [event].concat(data)) === false) ||
        event.isDefaultPrevented()
      )
    },
  }

  $.each({ show: 'fadeIn', hide: 'fadeOut' }, function (method, defaultEffect) {
    $.Widget.prototype['_' + method] = function (element, options, callback) {
      if (typeof options === 'string') {
        options = { effect: options }
      }

      var hasOptions
      var effectName = !options
        ? method
        : options === true || typeof options === 'number'
          ? defaultEffect
          : options.effect || defaultEffect

      options = options || {}
      if (typeof options === 'number') {
        options = { duration: options }
      }

      hasOptions = !$.isEmptyObject(options)
      options.complete = callback

      if (options.delay) {
        element.delay(options.delay)
      }

      if (hasOptions && $.effects && $.effects.effect[effectName]) {
        element[method](options)
      } else if (effectName !== method && element[effectName]) {
        element[effectName](options.duration, options.easing, callback)
      } else {
        element.queue(function (next) {
          $(this)[method]()
          if (callback) {
            callback.call(element[0])
          }
          next()
        })
      }
    }
  })

  var widget = $.widget

  /*!
   * jQuery UI Position 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/position/
   */

  //>>label: Position
  //>>group: Core
  //>>description: Positions elements relative to other elements.
  //>>docs: http://api.jqueryui.com/position/
  //>>demos: http://jqueryui.com/position/

  ;(function () {
    var cachedScrollbarWidth,
      max = Math.max,
      abs = Math.abs,
      rhorizontal = /left|center|right/,
      rvertical = /top|center|bottom/,
      roffset = /[\+\-]\d+(\.[\d]+)?%?/,
      rposition = /^\w+/,
      rpercent = /%$/,
      _position = $.fn.position

    function getOffsets(offsets, width, height) {
      return [
        parseFloat(offsets[0]) * (rpercent.test(offsets[0]) ? width / 100 : 1),
        parseFloat(offsets[1]) * (rpercent.test(offsets[1]) ? height / 100 : 1),
      ]
    }

    function parseCss(element, property) {
      return parseInt($.css(element, property), 10) || 0
    }

    function getDimensions(elem) {
      var raw = elem[0]
      if (raw.nodeType === 9) {
        return {
          width: elem.width(),
          height: elem.height(),
          offset: { top: 0, left: 0 },
        }
      }
      if ($.isWindow(raw)) {
        return {
          width: elem.width(),
          height: elem.height(),
          offset: { top: elem.scrollTop(), left: elem.scrollLeft() },
        }
      }
      if (raw.preventDefault) {
        return {
          width: 0,
          height: 0,
          offset: { top: raw.pageY, left: raw.pageX },
        }
      }
      return {
        width: elem.outerWidth(),
        height: elem.outerHeight(),
        offset: elem.offset(),
      }
    }

    $.position = {
      scrollbarWidth: function () {
        if (cachedScrollbarWidth !== undefined) {
          return cachedScrollbarWidth
        }
        var w1,
          w2,
          div = $(
            '<div ' +
              "style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'>" +
              "<div style='height:100px;width:auto;'></div></div>"
          ),
          innerDiv = div.children()[0]

        $('body').append(div)
        w1 = innerDiv.offsetWidth
        div.css('overflow', 'scroll')

        w2 = innerDiv.offsetWidth

        if (w1 === w2) {
          w2 = div[0].clientWidth
        }

        div.remove()

        return (cachedScrollbarWidth = w1 - w2)
      },
      getScrollInfo: function (within) {
        var overflowX =
            within.isWindow || within.isDocument
              ? ''
              : within.element.css('overflow-x'),
          overflowY =
            within.isWindow || within.isDocument
              ? ''
              : within.element.css('overflow-y'),
          hasOverflowX =
            overflowX === 'scroll' ||
            (overflowX === 'auto' &&
              within.width < within.element[0].scrollWidth),
          hasOverflowY =
            overflowY === 'scroll' ||
            (overflowY === 'auto' &&
              within.height < within.element[0].scrollHeight)
        return {
          width: hasOverflowY ? $.position.scrollbarWidth() : 0,
          height: hasOverflowX ? $.position.scrollbarWidth() : 0,
        }
      },
      getWithinInfo: function (element) {
        var withinElement = $(element || window),
          isWindow = $.isWindow(withinElement[0]),
          isDocument = !!withinElement[0] && withinElement[0].nodeType === 9,
          hasOffset = !isWindow && !isDocument
        return {
          element: withinElement,
          isWindow: isWindow,
          isDocument: isDocument,
          offset: hasOffset ? $(element).offset() : { left: 0, top: 0 },
          scrollLeft: withinElement.scrollLeft(),
          scrollTop: withinElement.scrollTop(),
          width: withinElement.outerWidth(),
          height: withinElement.outerHeight(),
        }
      },
    }

    $.fn.position = function (options) {
      if (!options || !options.of) {
        return _position.apply(this, arguments)
      }

      // Make a copy, we don't want to modify arguments
      options = $.extend({}, options)

      var atOffset,
        targetWidth,
        targetHeight,
        targetOffset,
        basePosition,
        dimensions,
        target = $(options.of),
        within = $.position.getWithinInfo(options.within),
        scrollInfo = $.position.getScrollInfo(within),
        collision = (options.collision || 'flip').split(' '),
        offsets = {}

      dimensions = getDimensions(target)
      if (target[0].preventDefault) {
        // Force left top to allow flipping
        options.at = 'left top'
      }
      targetWidth = dimensions.width
      targetHeight = dimensions.height
      targetOffset = dimensions.offset

      // Clone to reuse original targetOffset later
      basePosition = $.extend({}, targetOffset)

      // Force my and at to have valid horizontal and vertical positions
      // if a value is missing or invalid, it will be converted to center
      $.each(['my', 'at'], function () {
        var pos = (options[this] || '').split(' '),
          horizontalOffset,
          verticalOffset

        if (pos.length === 1) {
          pos = rhorizontal.test(pos[0])
            ? pos.concat(['center'])
            : rvertical.test(pos[0])
              ? ['center'].concat(pos)
              : ['center', 'center']
        }
        pos[0] = rhorizontal.test(pos[0]) ? pos[0] : 'center'
        pos[1] = rvertical.test(pos[1]) ? pos[1] : 'center'

        // Calculate offsets
        horizontalOffset = roffset.exec(pos[0])
        verticalOffset = roffset.exec(pos[1])
        offsets[this] = [
          horizontalOffset ? horizontalOffset[0] : 0,
          verticalOffset ? verticalOffset[0] : 0,
        ]

        // Reduce to just the positions without the offsets
        options[this] = [rposition.exec(pos[0])[0], rposition.exec(pos[1])[0]]
      })

      // Normalize collision option
      if (collision.length === 1) {
        collision[1] = collision[0]
      }

      if (options.at[0] === 'right') {
        basePosition.left += targetWidth
      } else if (options.at[0] === 'center') {
        basePosition.left += targetWidth / 2
      }

      if (options.at[1] === 'bottom') {
        basePosition.top += targetHeight
      } else if (options.at[1] === 'center') {
        basePosition.top += targetHeight / 2
      }

      atOffset = getOffsets(offsets.at, targetWidth, targetHeight)
      basePosition.left += atOffset[0]
      basePosition.top += atOffset[1]

      return this.each(function () {
        var collisionPosition,
          using,
          elem = $(this),
          elemWidth = elem.outerWidth(),
          elemHeight = elem.outerHeight(),
          marginLeft = parseCss(this, 'marginLeft'),
          marginTop = parseCss(this, 'marginTop'),
          collisionWidth =
            elemWidth +
            marginLeft +
            parseCss(this, 'marginRight') +
            scrollInfo.width,
          collisionHeight =
            elemHeight +
            marginTop +
            parseCss(this, 'marginBottom') +
            scrollInfo.height,
          position = $.extend({}, basePosition),
          myOffset = getOffsets(
            offsets.my,
            elem.outerWidth(),
            elem.outerHeight()
          )

        if (options.my[0] === 'right') {
          position.left -= elemWidth
        } else if (options.my[0] === 'center') {
          position.left -= elemWidth / 2
        }

        if (options.my[1] === 'bottom') {
          position.top -= elemHeight
        } else if (options.my[1] === 'center') {
          position.top -= elemHeight / 2
        }

        position.left += myOffset[0]
        position.top += myOffset[1]

        collisionPosition = {
          marginLeft: marginLeft,
          marginTop: marginTop,
        }

        $.each(['left', 'top'], function (i, dir) {
          if ($.ui.position[collision[i]]) {
            $.ui.position[collision[i]][dir](position, {
              targetWidth: targetWidth,
              targetHeight: targetHeight,
              elemWidth: elemWidth,
              elemHeight: elemHeight,
              collisionPosition: collisionPosition,
              collisionWidth: collisionWidth,
              collisionHeight: collisionHeight,
              offset: [atOffset[0] + myOffset[0], atOffset[1] + myOffset[1]],
              my: options.my,
              at: options.at,
              within: within,
              elem: elem,
            })
          }
        })

        if (options.using) {
          // Adds feedback as second argument to using callback, if present
          using = function (props) {
            var left = targetOffset.left - position.left,
              right = left + targetWidth - elemWidth,
              top = targetOffset.top - position.top,
              bottom = top + targetHeight - elemHeight,
              feedback = {
                target: {
                  element: target,
                  left: targetOffset.left,
                  top: targetOffset.top,
                  width: targetWidth,
                  height: targetHeight,
                },
                element: {
                  element: elem,
                  left: position.left,
                  top: position.top,
                  width: elemWidth,
                  height: elemHeight,
                },
                horizontal: right < 0 ? 'left' : left > 0 ? 'right' : 'center',
                vertical: bottom < 0 ? 'top' : top > 0 ? 'bottom' : 'middle',
              }
            if (targetWidth < elemWidth && abs(left + right) < targetWidth) {
              feedback.horizontal = 'center'
            }
            if (targetHeight < elemHeight && abs(top + bottom) < targetHeight) {
              feedback.vertical = 'middle'
            }
            if (max(abs(left), abs(right)) > max(abs(top), abs(bottom))) {
              feedback.important = 'horizontal'
            } else {
              feedback.important = 'vertical'
            }
            options.using.call(this, props, feedback)
          }
        }

        elem.offset($.extend(position, { using: using }))
      })
    }

    $.ui.position = {
      fit: {
        left: function (position, data) {
          var within = data.within,
            withinOffset = within.isWindow
              ? within.scrollLeft
              : within.offset.left,
            outerWidth = within.width,
            collisionPosLeft =
              position.left - data.collisionPosition.marginLeft,
            overLeft = withinOffset - collisionPosLeft,
            overRight =
              collisionPosLeft +
              data.collisionWidth -
              outerWidth -
              withinOffset,
            newOverRight

          // Element is wider than within
          if (data.collisionWidth > outerWidth) {
            // Element is initially over the left side of within
            if (overLeft > 0 && overRight <= 0) {
              newOverRight =
                position.left +
                overLeft +
                data.collisionWidth -
                outerWidth -
                withinOffset
              position.left += overLeft - newOverRight

              // Element is initially over right side of within
            } else if (overRight > 0 && overLeft <= 0) {
              position.left = withinOffset

              // Element is initially over both left and right sides of within
            } else {
              if (overLeft > overRight) {
                position.left = withinOffset + outerWidth - data.collisionWidth
              } else {
                position.left = withinOffset
              }
            }

            // Too far left -> align with left edge
          } else if (overLeft > 0) {
            position.left += overLeft

            // Too far right -> align with right edge
          } else if (overRight > 0) {
            position.left -= overRight

            // Adjust based on position and margin
          } else {
            position.left = max(position.left - collisionPosLeft, position.left)
          }
        },
        top: function (position, data) {
          var within = data.within,
            withinOffset = within.isWindow
              ? within.scrollTop
              : within.offset.top,
            outerHeight = data.within.height,
            collisionPosTop = position.top - data.collisionPosition.marginTop,
            overTop = withinOffset - collisionPosTop,
            overBottom =
              collisionPosTop +
              data.collisionHeight -
              outerHeight -
              withinOffset,
            newOverBottom

          // Element is taller than within
          if (data.collisionHeight > outerHeight) {
            // Element is initially over the top of within
            if (overTop > 0 && overBottom <= 0) {
              newOverBottom =
                position.top +
                overTop +
                data.collisionHeight -
                outerHeight -
                withinOffset
              position.top += overTop - newOverBottom

              // Element is initially over bottom of within
            } else if (overBottom > 0 && overTop <= 0) {
              position.top = withinOffset

              // Element is initially over both top and bottom of within
            } else {
              if (overTop > overBottom) {
                position.top = withinOffset + outerHeight - data.collisionHeight
              } else {
                position.top = withinOffset
              }
            }

            // Too far up -> align with top
          } else if (overTop > 0) {
            position.top += overTop

            // Too far down -> align with bottom edge
          } else if (overBottom > 0) {
            position.top -= overBottom

            // Adjust based on position and margin
          } else {
            position.top = max(position.top - collisionPosTop, position.top)
          }
        },
      },
      flip: {
        left: function (position, data) {
          var within = data.within,
            withinOffset = within.offset.left + within.scrollLeft,
            outerWidth = within.width,
            offsetLeft = within.isWindow
              ? within.scrollLeft
              : within.offset.left,
            collisionPosLeft =
              position.left - data.collisionPosition.marginLeft,
            overLeft = collisionPosLeft - offsetLeft,
            overRight =
              collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
            myOffset =
              data.my[0] === 'left'
                ? -data.elemWidth
                : data.my[0] === 'right'
                  ? data.elemWidth
                  : 0,
            atOffset =
              data.at[0] === 'left'
                ? data.targetWidth
                : data.at[0] === 'right'
                  ? -data.targetWidth
                  : 0,
            offset = -2 * data.offset[0],
            newOverRight,
            newOverLeft

          if (overLeft < 0) {
            newOverRight =
              position.left +
              myOffset +
              atOffset +
              offset +
              data.collisionWidth -
              outerWidth -
              withinOffset
            if (newOverRight < 0 || newOverRight < abs(overLeft)) {
              position.left += myOffset + atOffset + offset
            }
          } else if (overRight > 0) {
            newOverLeft =
              position.left -
              data.collisionPosition.marginLeft +
              myOffset +
              atOffset +
              offset -
              offsetLeft
            if (newOverLeft > 0 || abs(newOverLeft) < overRight) {
              position.left += myOffset + atOffset + offset
            }
          }
        },
        top: function (position, data) {
          var within = data.within,
            withinOffset = within.offset.top + within.scrollTop,
            outerHeight = within.height,
            offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
            collisionPosTop = position.top - data.collisionPosition.marginTop,
            overTop = collisionPosTop - offsetTop,
            overBottom =
              collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
            top = data.my[1] === 'top',
            myOffset = top
              ? -data.elemHeight
              : data.my[1] === 'bottom'
                ? data.elemHeight
                : 0,
            atOffset =
              data.at[1] === 'top'
                ? data.targetHeight
                : data.at[1] === 'bottom'
                  ? -data.targetHeight
                  : 0,
            offset = -2 * data.offset[1],
            newOverTop,
            newOverBottom
          if (overTop < 0) {
            newOverBottom =
              position.top +
              myOffset +
              atOffset +
              offset +
              data.collisionHeight -
              outerHeight -
              withinOffset
            if (newOverBottom < 0 || newOverBottom < abs(overTop)) {
              position.top += myOffset + atOffset + offset
            }
          } else if (overBottom > 0) {
            newOverTop =
              position.top -
              data.collisionPosition.marginTop +
              myOffset +
              atOffset +
              offset -
              offsetTop
            if (newOverTop > 0 || abs(newOverTop) < overBottom) {
              position.top += myOffset + atOffset + offset
            }
          }
        },
      },
      flipfit: {
        left: function () {
          $.ui.position.flip.left.apply(this, arguments)
          $.ui.position.fit.left.apply(this, arguments)
        },
        top: function () {
          $.ui.position.flip.top.apply(this, arguments)
          $.ui.position.fit.top.apply(this, arguments)
        },
      },
    }
  })()

  var position = $.ui.position

  /*!
   * jQuery UI :data 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: :data Selector
  //>>group: Core
  //>>description: Selects elements which have data stored under the specified key.
  //>>docs: http://api.jqueryui.com/data-selector/

  var data = $.extend($.expr[':'], {
    data: $.expr.createPseudo
      ? $.expr.createPseudo(function (dataName) {
          return function (elem) {
            return !!$.data(elem, dataName)
          }
        })
      : // Support: jQuery <1.8
        function (elem, i, match) {
          return !!$.data(elem, match[3])
        },
  })

  /*!
   * jQuery UI Disable Selection 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: disableSelection
  //>>group: Core
  //>>description: Disable selection of text content within the set of matched elements.
  //>>docs: http://api.jqueryui.com/disableSelection/

  // This file is deprecated

  var disableSelection = $.fn.extend({
    disableSelection: (function () {
      var eventType =
        'onselectstart' in document.createElement('div')
          ? 'selectstart'
          : 'mousedown'

      return function () {
        return this.on(eventType + '.ui-disableSelection', function (event) {
          event.preventDefault()
        })
      }
    })(),

    enableSelection: function () {
      return this.off('.ui-disableSelection')
    },
  })

  /*!
   * jQuery UI Effects 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Effects Core
  //>>group: Effects
  // jscs:disable maximumLineLength
  //>>description: Extends the internal jQuery effects. Includes morphing and easing. Required by all other effects.
  // jscs:enable maximumLineLength
  //>>docs: http://api.jqueryui.com/category/effects-core/
  //>>demos: http://jqueryui.com/effect/

  var dataSpace = 'ui-effects-',
    dataSpaceStyle = 'ui-effects-style',
    dataSpaceAnimated = 'ui-effects-animated',
    // Create a local jQuery because jQuery Color relies on it and the
    // global may not exist with AMD and a custom build (#10199)
    jQuery = $

  $.effects = {
    effect: {},
  }

  /*!
   * jQuery Color Animations v2.1.2
   * https://github.com/jquery/jquery-color
   *
   * Copyright 2014 jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * Date: Wed Jan 16 08:47:09 2013 -0600
   */
  ;(function (jQuery, undefined) {
    var stepHooks =
        'backgroundColor borderBottomColor borderLeftColor borderRightColor ' +
        'borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor',
      // Plusequals test for += 100 -= 100
      rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,
      // A set of RE's that can match strings and generate color tuples.
      stringParsers = [
        {
          re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
          parse: function (execResult) {
            return [execResult[1], execResult[2], execResult[3], execResult[4]]
          },
        },
        {
          re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
          parse: function (execResult) {
            return [
              execResult[1] * 2.55,
              execResult[2] * 2.55,
              execResult[3] * 2.55,
              execResult[4],
            ]
          },
        },
        {
          // This regex ignores A-F because it's compared against an already lowercased string
          re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/,
          parse: function (execResult) {
            return [
              parseInt(execResult[1], 16),
              parseInt(execResult[2], 16),
              parseInt(execResult[3], 16),
            ]
          },
        },
        {
          // This regex ignores A-F because it's compared against an already lowercased string
          re: /#([a-f0-9])([a-f0-9])([a-f0-9])/,
          parse: function (execResult) {
            return [
              parseInt(execResult[1] + execResult[1], 16),
              parseInt(execResult[2] + execResult[2], 16),
              parseInt(execResult[3] + execResult[3], 16),
            ]
          },
        },
        {
          re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
          space: 'hsla',
          parse: function (execResult) {
            return [
              execResult[1],
              execResult[2] / 100,
              execResult[3] / 100,
              execResult[4],
            ]
          },
        },
      ],
      // JQuery.Color( )
      color = (jQuery.Color = function (color, green, blue, alpha) {
        return new jQuery.Color.fn.parse(color, green, blue, alpha)
      }),
      spaces = {
        rgba: {
          props: {
            red: {
              idx: 0,
              type: 'byte',
            },
            green: {
              idx: 1,
              type: 'byte',
            },
            blue: {
              idx: 2,
              type: 'byte',
            },
          },
        },

        hsla: {
          props: {
            hue: {
              idx: 0,
              type: 'degrees',
            },
            saturation: {
              idx: 1,
              type: 'percent',
            },
            lightness: {
              idx: 2,
              type: 'percent',
            },
          },
        },
      },
      propTypes = {
        byte: {
          floor: true,
          max: 255,
        },
        percent: {
          max: 1,
        },
        degrees: {
          mod: 360,
          floor: true,
        },
      },
      support = (color.support = {}),
      // Element for support tests
      supportElem = jQuery('<p>')[0],
      // Colors = jQuery.Color.names
      colors,
      // Local aliases of functions called often
      each = jQuery.each

    // Determine rgba support immediately
    supportElem.style.cssText = 'background-color:rgba(1,1,1,.5)'
    support.rgba = supportElem.style.backgroundColor.indexOf('rgba') > -1

    // Define cache name and alpha properties
    // for rgba and hsla spaces
    each(spaces, function (spaceName, space) {
      space.cache = '_' + spaceName
      space.props.alpha = {
        idx: 3,
        type: 'percent',
        def: 1,
      }
    })

    function clamp(value, prop, allowEmpty) {
      var type = propTypes[prop.type] || {}

      if (value == null) {
        return allowEmpty || !prop.def ? null : prop.def
      }

      // ~~ is an short way of doing floor for positive numbers
      value = type.floor ? ~~value : parseFloat(value)

      // IE will pass in empty strings as value for alpha,
      // which will hit this case
      if (isNaN(value)) {
        return prop.def
      }

      if (type.mod) {
        // We add mod before modding to make sure that negatives values
        // get converted properly: -10 -> 350
        return (value + type.mod) % type.mod
      }

      // For now all property types without mod have min and max
      return 0 > value ? 0 : type.max < value ? type.max : value
    }

    function stringParse(string) {
      var inst = color(),
        rgba = (inst._rgba = [])

      string = string.toLowerCase()

      each(stringParsers, function (i, parser) {
        var parsed,
          match = parser.re.exec(string),
          values = match && parser.parse(match),
          spaceName = parser.space || 'rgba'

        if (values) {
          parsed = inst[spaceName](values)

          // If this was an rgba parse the assignment might happen twice
          // oh well....
          inst[spaces[spaceName].cache] = parsed[spaces[spaceName].cache]
          rgba = inst._rgba = parsed._rgba

          // Exit each( stringParsers ) here because we matched
          return false
        }
      })

      // Found a stringParser that handled it
      if (rgba.length) {
        // If this came from a parsed string, force "transparent" when alpha is 0
        // chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
        if (rgba.join() === '0,0,0,0') {
          jQuery.extend(rgba, colors.transparent)
        }
        return inst
      }

      // Named colors
      return colors[string]
    }

    color.fn = jQuery.extend(color.prototype, {
      parse: function (red, green, blue, alpha) {
        if (red === undefined) {
          this._rgba = [null, null, null, null]
          return this
        }
        if (red.jquery || red.nodeType) {
          red = jQuery(red).css(green)
          green = undefined
        }

        var inst = this,
          type = jQuery.type(red),
          rgba = (this._rgba = [])

        // More than 1 argument specified - assume ( red, green, blue, alpha )
        if (green !== undefined) {
          red = [red, green, blue, alpha]
          type = 'array'
        }

        if (type === 'string') {
          return this.parse(stringParse(red) || colors._default)
        }

        if (type === 'array') {
          each(spaces.rgba.props, function (key, prop) {
            rgba[prop.idx] = clamp(red[prop.idx], prop)
          })
          return this
        }

        if (type === 'object') {
          if (red instanceof color) {
            each(spaces, function (spaceName, space) {
              if (red[space.cache]) {
                inst[space.cache] = red[space.cache].slice()
              }
            })
          } else {
            each(spaces, function (spaceName, space) {
              var cache = space.cache
              each(space.props, function (key, prop) {
                // If the cache doesn't exist, and we know how to convert
                if (!inst[cache] && space.to) {
                  // If the value was null, we don't need to copy it
                  // if the key was alpha, we don't need to copy it either
                  if (key === 'alpha' || red[key] == null) {
                    return
                  }
                  inst[cache] = space.to(inst._rgba)
                }

                // This is the only case where we allow nulls for ALL properties.
                // call clamp with alwaysAllowEmpty
                inst[cache][prop.idx] = clamp(red[key], prop, true)
              })

              // Everything defined but alpha?
              if (
                inst[cache] &&
                jQuery.inArray(null, inst[cache].slice(0, 3)) < 0
              ) {
                // Use the default of 1
                inst[cache][3] = 1
                if (space.from) {
                  inst._rgba = space.from(inst[cache])
                }
              }
            })
          }
          return this
        }
      },
      is: function (compare) {
        var is = color(compare),
          same = true,
          inst = this

        each(spaces, function (_, space) {
          var localCache,
            isCache = is[space.cache]
          if (isCache) {
            localCache =
              inst[space.cache] || (space.to && space.to(inst._rgba)) || []
            each(space.props, function (_, prop) {
              if (isCache[prop.idx] != null) {
                same = isCache[prop.idx] === localCache[prop.idx]
                return same
              }
            })
          }
          return same
        })
        return same
      },
      _space: function () {
        var used = [],
          inst = this
        each(spaces, function (spaceName, space) {
          if (inst[space.cache]) {
            used.push(spaceName)
          }
        })
        return used.pop()
      },
      transition: function (other, distance) {
        var end = color(other),
          spaceName = end._space(),
          space = spaces[spaceName],
          startColor = this.alpha() === 0 ? color('transparent') : this,
          start = startColor[space.cache] || space.to(startColor._rgba),
          result = start.slice()

        end = end[space.cache]
        each(space.props, function (key, prop) {
          var index = prop.idx,
            startValue = start[index],
            endValue = end[index],
            type = propTypes[prop.type] || {}

          // If null, don't override start value
          if (endValue === null) {
            return
          }

          // If null - use end
          if (startValue === null) {
            result[index] = endValue
          } else {
            if (type.mod) {
              if (endValue - startValue > type.mod / 2) {
                startValue += type.mod
              } else if (startValue - endValue > type.mod / 2) {
                startValue -= type.mod
              }
            }
            result[index] = clamp(
              (endValue - startValue) * distance + startValue,
              prop
            )
          }
        })
        return this[spaceName](result)
      },
      blend: function (opaque) {
        // If we are already opaque - return ourself
        if (this._rgba[3] === 1) {
          return this
        }

        var rgb = this._rgba.slice(),
          a = rgb.pop(),
          blend = color(opaque)._rgba

        return color(
          jQuery.map(rgb, function (v, i) {
            return (1 - a) * blend[i] + a * v
          })
        )
      },
      toRgbaString: function () {
        var prefix = 'rgba(',
          rgba = jQuery.map(this._rgba, function (v, i) {
            return v == null ? (i > 2 ? 1 : 0) : v
          })

        if (rgba[3] === 1) {
          rgba.pop()
          prefix = 'rgb('
        }

        return prefix + rgba.join() + ')'
      },
      toHslaString: function () {
        var prefix = 'hsla(',
          hsla = jQuery.map(this.hsla(), function (v, i) {
            if (v == null) {
              v = i > 2 ? 1 : 0
            }

            // Catch 1 and 2
            if (i && i < 3) {
              v = Math.round(v * 100) + '%'
            }
            return v
          })

        if (hsla[3] === 1) {
          hsla.pop()
          prefix = 'hsl('
        }
        return prefix + hsla.join() + ')'
      },
      toHexString: function (includeAlpha) {
        var rgba = this._rgba.slice(),
          alpha = rgba.pop()

        if (includeAlpha) {
          rgba.push(~~(alpha * 255))
        }

        return (
          '#' +
          jQuery
            .map(rgba, function (v) {
              // Default to 0 when nulls exist
              v = (v || 0).toString(16)
              return v.length === 1 ? '0' + v : v
            })
            .join('')
        )
      },
      toString: function () {
        return this._rgba[3] === 0 ? 'transparent' : this.toRgbaString()
      },
    })
    color.fn.parse.prototype = color.fn

    // Hsla conversions adapted from:
    // https://code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021

    function hue2rgb(p, q, h) {
      h = (h + 1) % 1
      if (h * 6 < 1) {
        return p + (q - p) * h * 6
      }
      if (h * 2 < 1) {
        return q
      }
      if (h * 3 < 2) {
        return p + (q - p) * (2 / 3 - h) * 6
      }
      return p
    }

    spaces.hsla.to = function (rgba) {
      if (rgba[0] == null || rgba[1] == null || rgba[2] == null) {
        return [null, null, null, rgba[3]]
      }
      var r = rgba[0] / 255,
        g = rgba[1] / 255,
        b = rgba[2] / 255,
        a = rgba[3],
        max = Math.max(r, g, b),
        min = Math.min(r, g, b),
        diff = max - min,
        add = max + min,
        l = add * 0.5,
        h,
        s

      if (min === max) {
        h = 0
      } else if (r === max) {
        h = (60 * (g - b)) / diff + 360
      } else if (g === max) {
        h = (60 * (b - r)) / diff + 120
      } else {
        h = (60 * (r - g)) / diff + 240
      }

      // Chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
      // otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
      if (diff === 0) {
        s = 0
      } else if (l <= 0.5) {
        s = diff / add
      } else {
        s = diff / (2 - add)
      }
      return [Math.round(h) % 360, s, l, a == null ? 1 : a]
    }

    spaces.hsla.from = function (hsla) {
      if (hsla[0] == null || hsla[1] == null || hsla[2] == null) {
        return [null, null, null, hsla[3]]
      }
      var h = hsla[0] / 360,
        s = hsla[1],
        l = hsla[2],
        a = hsla[3],
        q = l <= 0.5 ? l * (1 + s) : l + s - l * s,
        p = 2 * l - q

      return [
        Math.round(hue2rgb(p, q, h + 1 / 3) * 255),
        Math.round(hue2rgb(p, q, h) * 255),
        Math.round(hue2rgb(p, q, h - 1 / 3) * 255),
        a,
      ]
    }

    each(spaces, function (spaceName, space) {
      var props = space.props,
        cache = space.cache,
        to = space.to,
        from = space.from

      // Makes rgba() and hsla()
      color.fn[spaceName] = function (value) {
        // Generate a cache for this space if it doesn't exist
        if (to && !this[cache]) {
          this[cache] = to(this._rgba)
        }
        if (value === undefined) {
          return this[cache].slice()
        }

        var ret,
          type = jQuery.type(value),
          arr = type === 'array' || type === 'object' ? value : arguments,
          local = this[cache].slice()

        each(props, function (key, prop) {
          var val = arr[type === 'object' ? key : prop.idx]
          if (val == null) {
            val = local[prop.idx]
          }
          local[prop.idx] = clamp(val, prop)
        })

        if (from) {
          ret = color(from(local))
          ret[cache] = local
          return ret
        } else {
          return color(local)
        }
      }

      // Makes red() green() blue() alpha() hue() saturation() lightness()
      each(props, function (key, prop) {
        // Alpha is included in more than one space
        if (color.fn[key]) {
          return
        }
        color.fn[key] = function (value) {
          var vtype = jQuery.type(value),
            fn = key === 'alpha' ? (this._hsla ? 'hsla' : 'rgba') : spaceName,
            local = this[fn](),
            cur = local[prop.idx],
            match

          if (vtype === 'undefined') {
            return cur
          }

          if (vtype === 'function') {
            value = value.call(this, cur)
            vtype = jQuery.type(value)
          }
          if (value == null && prop.empty) {
            return this
          }
          if (vtype === 'string') {
            match = rplusequals.exec(value)
            if (match) {
              value = cur + parseFloat(match[2]) * (match[1] === '+' ? 1 : -1)
            }
          }
          local[prop.idx] = value
          return this[fn](local)
        }
      })
    })

    // Add cssHook and .fx.step function for each named hook.
    // accept a space separated string of properties
    color.hook = function (hook) {
      var hooks = hook.split(' ')
      each(hooks, function (i, hook) {
        jQuery.cssHooks[hook] = {
          set: function (elem, value) {
            var parsed,
              curElem,
              backgroundColor = ''

            if (
              value !== 'transparent' &&
              (jQuery.type(value) !== 'string' || (parsed = stringParse(value)))
            ) {
              value = color(parsed || value)
              if (!support.rgba && value._rgba[3] !== 1) {
                curElem = hook === 'backgroundColor' ? elem.parentNode : elem
                while (
                  (backgroundColor === '' ||
                    backgroundColor === 'transparent') &&
                  curElem &&
                  curElem.style
                ) {
                  try {
                    backgroundColor = jQuery.css(curElem, 'backgroundColor')
                    curElem = curElem.parentNode
                  } catch (e) {}
                }

                value = value.blend(
                  backgroundColor && backgroundColor !== 'transparent'
                    ? backgroundColor
                    : '_default'
                )
              }

              value = value.toRgbaString()
            }
            try {
              elem.style[hook] = value
            } catch (e) {
              // Wrapped to prevent IE from throwing errors on "invalid" values like
              // 'auto' or 'inherit'
            }
          },
        }
        jQuery.fx.step[hook] = function (fx) {
          if (!fx.colorInit) {
            fx.start = color(fx.elem, hook)
            fx.end = color(fx.end)
            fx.colorInit = true
          }
          jQuery.cssHooks[hook].set(
            fx.elem,
            fx.start.transition(fx.end, fx.pos)
          )
        }
      })
    }

    color.hook(stepHooks)

    jQuery.cssHooks.borderColor = {
      expand: function (value) {
        var expanded = {}

        each(['Top', 'Right', 'Bottom', 'Left'], function (i, part) {
          expanded['border' + part + 'Color'] = value
        })
        return expanded
      },
    }

    // Basic color names only.
    // Usage of any of the other color names requires adding yourself or including
    // jquery.color.svg-names.js.
    colors = jQuery.Color.names = {
      // 4.1. Basic color keywords
      aqua: '#00ffff',
      black: '#000000',
      blue: '#0000ff',
      fuchsia: '#ff00ff',
      gray: '#808080',
      green: '#008000',
      lime: '#00ff00',
      maroon: '#800000',
      navy: '#000080',
      olive: '#808000',
      purple: '#800080',
      red: '#ff0000',
      silver: '#c0c0c0',
      teal: '#008080',
      white: '#ffffff',
      yellow: '#ffff00',

      // 4.2.3. "transparent" color keyword
      transparent: [null, null, null, 0],

      _default: '#ffffff',
    }
  })(jQuery)

  /******************************************************************************/
  /****************************** CLASS ANIMATIONS ******************************/
  /******************************************************************************/
  ;(function () {
    var classAnimationActions = ['add', 'remove', 'toggle'],
      shorthandStyles = {
        border: 1,
        borderBottom: 1,
        borderColor: 1,
        borderLeft: 1,
        borderRight: 1,
        borderTop: 1,
        borderWidth: 1,
        margin: 1,
        padding: 1,
      }

    $.each(
      [
        'borderLeftStyle',
        'borderRightStyle',
        'borderBottomStyle',
        'borderTopStyle',
      ],
      function (_, prop) {
        $.fx.step[prop] = function (fx) {
          if (
            (fx.end !== 'none' && !fx.setAttr) ||
            (fx.pos === 1 && !fx.setAttr)
          ) {
            jQuery.style(fx.elem, prop, fx.end)
            fx.setAttr = true
          }
        }
      }
    )

    function getElementStyles(elem) {
      var key,
        len,
        style = elem.ownerDocument.defaultView
          ? elem.ownerDocument.defaultView.getComputedStyle(elem, null)
          : elem.currentStyle,
        styles = {}

      if (style && style.length && style[0] && style[style[0]]) {
        len = style.length
        while (len--) {
          key = style[len]
          if (typeof style[key] === 'string') {
            styles[$.camelCase(key)] = style[key]
          }
        }

        // Support: Opera, IE <9
      } else {
        for (key in style) {
          if (typeof style[key] === 'string') {
            styles[key] = style[key]
          }
        }
      }

      return styles
    }

    function styleDifference(oldStyle, newStyle) {
      var diff = {},
        name,
        value

      for (name in newStyle) {
        value = newStyle[name]
        if (oldStyle[name] !== value) {
          if (!shorthandStyles[name]) {
            if ($.fx.step[name] || !isNaN(parseFloat(value))) {
              diff[name] = value
            }
          }
        }
      }

      return diff
    }

    // Support: jQuery <1.8
    if (!$.fn.addBack) {
      $.fn.addBack = function (selector) {
        return this.add(
          selector == null ? this.prevObject : this.prevObject.filter(selector)
        )
      }
    }

    $.effects.animateClass = function (value, duration, easing, callback) {
      var o = $.speed(duration, easing, callback)

      return this.queue(function () {
        var animated = $(this),
          baseClass = animated.attr('class') || '',
          applyClassChange,
          allAnimations = o.children ? animated.find('*').addBack() : animated

        // Map the animated objects to store the original styles.
        allAnimations = allAnimations.map(function () {
          var el = $(this)
          return {
            el: el,
            start: getElementStyles(this),
          }
        })

        // Apply class change
        applyClassChange = function () {
          $.each(classAnimationActions, function (i, action) {
            if (value[action]) {
              animated[action + 'Class'](value[action])
            }
          })
        }
        applyClassChange()

        // Map all animated objects again - calculate new styles and diff
        allAnimations = allAnimations.map(function () {
          this.end = getElementStyles(this.el[0])
          this.diff = styleDifference(this.start, this.end)
          return this
        })

        // Apply original class
        animated.attr('class', baseClass)

        // Map all animated objects again - this time collecting a promise
        allAnimations = allAnimations.map(function () {
          var styleInfo = this,
            dfd = $.Deferred(),
            opts = $.extend({}, o, {
              queue: false,
              complete: function () {
                dfd.resolve(styleInfo)
              },
            })

          this.el.animate(this.diff, opts)
          return dfd.promise()
        })

        // Once all animations have completed:
        $.when.apply($, allAnimations.get()).done(function () {
          // Set the final class
          applyClassChange()

          // For each animated element,
          // clear all css properties that were animated
          $.each(arguments, function () {
            var el = this.el
            $.each(this.diff, function (key) {
              el.css(key, '')
            })
          })

          // This is guarnteed to be there if you use jQuery.speed()
          // it also handles dequeuing the next anim...
          o.complete.call(animated[0])
        })
      })
    }

    $.fn.extend({
      addClass: (function (orig) {
        return function (classNames, speed, easing, callback) {
          return speed
            ? $.effects.animateClass.call(
                this,
                { add: classNames },
                speed,
                easing,
                callback
              )
            : orig.apply(this, arguments)
        }
      })($.fn.addClass),

      removeClass: (function (orig) {
        return function (classNames, speed, easing, callback) {
          return arguments.length > 1
            ? $.effects.animateClass.call(
                this,
                { remove: classNames },
                speed,
                easing,
                callback
              )
            : orig.apply(this, arguments)
        }
      })($.fn.removeClass),

      toggleClass: (function (orig) {
        return function (classNames, force, speed, easing, callback) {
          if (typeof force === 'boolean' || force === undefined) {
            if (!speed) {
              // Without speed parameter
              return orig.apply(this, arguments)
            } else {
              return $.effects.animateClass.call(
                this,
                force ? { add: classNames } : { remove: classNames },
                speed,
                easing,
                callback
              )
            }
          } else {
            // Without force parameter
            return $.effects.animateClass.call(
              this,
              { toggle: classNames },
              force,
              speed,
              easing
            )
          }
        }
      })($.fn.toggleClass),

      switchClass: function (remove, add, speed, easing, callback) {
        return $.effects.animateClass.call(
          this,
          {
            add: add,
            remove: remove,
          },
          speed,
          easing,
          callback
        )
      },
    })
  })()

  /******************************************************************************/
  /*********************************** EFFECTS **********************************/
  /******************************************************************************/

  ;(function () {
    if ($.expr && $.expr.filters && $.expr.filters.animated) {
      $.expr.filters.animated = (function (orig) {
        return function (elem) {
          return !!$(elem).data(dataSpaceAnimated) || orig(elem)
        }
      })($.expr.filters.animated)
    }

    if ($.uiBackCompat !== false) {
      $.extend($.effects, {
        // Saves a set of properties in a data storage
        save: function (element, set) {
          var i = 0,
            length = set.length
          for (; i < length; i++) {
            if (set[i] !== null) {
              element.data(dataSpace + set[i], element[0].style[set[i]])
            }
          }
        },

        // Restores a set of previously saved properties from a data storage
        restore: function (element, set) {
          var val,
            i = 0,
            length = set.length
          for (; i < length; i++) {
            if (set[i] !== null) {
              val = element.data(dataSpace + set[i])
              element.css(set[i], val)
            }
          }
        },

        setMode: function (el, mode) {
          if (mode === 'toggle') {
            mode = el.is(':hidden') ? 'show' : 'hide'
          }
          return mode
        },

        // Wraps the element around a wrapper that copies position properties
        createWrapper: function (element) {
          // If the element is already wrapped, return it
          if (element.parent().is('.ui-effects-wrapper')) {
            return element.parent()
          }

          // Wrap the element
          var props = {
              width: element.outerWidth(true),
              height: element.outerHeight(true),
              float: element.css('float'),
            },
            wrapper = $('<div></div>').addClass('ui-effects-wrapper').css({
              fontSize: '100%',
              background: 'transparent',
              border: 'none',
              margin: 0,
              padding: 0,
            }),
            // Store the size in case width/height are defined in % - Fixes #5245
            size = {
              width: element.width(),
              height: element.height(),
            },
            active = document.activeElement

          // Support: Firefox
          // Firefox incorrectly exposes anonymous content
          // https://bugzilla.mozilla.org/show_bug.cgi?id=561664
          try {
            active.id
          } catch (e) {
            active = document.body
          }

          element.wrap(wrapper)

          // Fixes #7595 - Elements lose focus when wrapped.
          if (element[0] === active || $.contains(element[0], active)) {
            $(active).trigger('focus')
          }

          // Hotfix for jQuery 1.4 since some change in wrap() seems to actually
          // lose the reference to the wrapped element
          wrapper = element.parent()

          // Transfer positioning properties to the wrapper
          if (element.css('position') === 'static') {
            wrapper.css({ position: 'relative' })
            element.css({ position: 'relative' })
          } else {
            $.extend(props, {
              position: element.css('position'),
              zIndex: element.css('z-index'),
            })
            $.each(['top', 'left', 'bottom', 'right'], function (i, pos) {
              props[pos] = element.css(pos)
              if (isNaN(parseInt(props[pos], 10))) {
                props[pos] = 'auto'
              }
            })
            element.css({
              position: 'relative',
              top: 0,
              left: 0,
              right: 'auto',
              bottom: 'auto',
            })
          }
          element.css(size)

          return wrapper.css(props).show()
        },

        removeWrapper: function (element) {
          var active = document.activeElement

          if (element.parent().is('.ui-effects-wrapper')) {
            element.parent().replaceWith(element)

            // Fixes #7595 - Elements lose focus when wrapped.
            if (element[0] === active || $.contains(element[0], active)) {
              $(active).trigger('focus')
            }
          }

          return element
        },
      })
    }

    $.extend($.effects, {
      version: '1.12.1',

      define: function (name, mode, effect) {
        if (!effect) {
          effect = mode
          mode = 'effect'
        }

        $.effects.effect[name] = effect
        $.effects.effect[name].mode = mode

        return effect
      },

      scaledDimensions: function (element, percent, direction) {
        if (percent === 0) {
          return {
            height: 0,
            width: 0,
            outerHeight: 0,
            outerWidth: 0,
          }
        }

        var x = direction !== 'horizontal' ? (percent || 100) / 100 : 1,
          y = direction !== 'vertical' ? (percent || 100) / 100 : 1

        return {
          height: element.height() * y,
          width: element.width() * x,
          outerHeight: element.outerHeight() * y,
          outerWidth: element.outerWidth() * x,
        }
      },

      clipToBox: function (animation) {
        return {
          width: animation.clip.right - animation.clip.left,
          height: animation.clip.bottom - animation.clip.top,
          left: animation.clip.left,
          top: animation.clip.top,
        }
      },

      // Injects recently queued functions to be first in line (after "inprogress")
      unshift: function (element, queueLength, count) {
        var queue = element.queue()

        if (queueLength > 1) {
          queue.splice.apply(
            queue,
            [1, 0].concat(queue.splice(queueLength, count))
          )
        }
        element.dequeue()
      },

      saveStyle: function (element) {
        element.data(dataSpaceStyle, element[0].style.cssText)
      },

      restoreStyle: function (element) {
        element[0].style.cssText = element.data(dataSpaceStyle) || ''
        element.removeData(dataSpaceStyle)
      },

      mode: function (element, mode) {
        var hidden = element.is(':hidden')

        if (mode === 'toggle') {
          mode = hidden ? 'show' : 'hide'
        }
        if (hidden ? mode === 'hide' : mode === 'show') {
          mode = 'none'
        }
        return mode
      },

      // Translates a [top,left] array into a baseline value
      getBaseline: function (origin, original) {
        var y, x

        switch (origin[0]) {
          case 'top':
            y = 0
            break
          case 'middle':
            y = 0.5
            break
          case 'bottom':
            y = 1
            break
          default:
            y = origin[0] / original.height
        }

        switch (origin[1]) {
          case 'left':
            x = 0
            break
          case 'center':
            x = 0.5
            break
          case 'right':
            x = 1
            break
          default:
            x = origin[1] / original.width
        }

        return {
          x: x,
          y: y,
        }
      },

      // Creates a placeholder element so that the original element can be made absolute
      createPlaceholder: function (element) {
        var placeholder,
          cssPosition = element.css('position'),
          position = element.position()

        // Lock in margins first to account for form elements, which
        // will change margin if you explicitly set height
        // see: http://jsfiddle.net/JZSMt/3/ https://bugs.webkit.org/show_bug.cgi?id=107380
        // Support: Safari
        element
          .css({
            marginTop: element.css('marginTop'),
            marginBottom: element.css('marginBottom'),
            marginLeft: element.css('marginLeft'),
            marginRight: element.css('marginRight'),
          })
          .outerWidth(element.outerWidth())
          .outerHeight(element.outerHeight())

        if (/^(static|relative)/.test(cssPosition)) {
          cssPosition = 'absolute'

          placeholder = $('<' + element[0].nodeName + '>')
            .insertAfter(element)
            .css({
              // Convert inline to inline block to account for inline elements
              // that turn to inline block based on content (like img)
              display: /^(inline|ruby)/.test(element.css('display'))
                ? 'inline-block'
                : 'block',
              visibility: 'hidden',

              // Margins need to be set to account for margin collapse
              marginTop: element.css('marginTop'),
              marginBottom: element.css('marginBottom'),
              marginLeft: element.css('marginLeft'),
              marginRight: element.css('marginRight'),
              float: element.css('float'),
            })
            .outerWidth(element.outerWidth())
            .outerHeight(element.outerHeight())
            .addClass('ui-effects-placeholder')

          element.data(dataSpace + 'placeholder', placeholder)
        }

        element.css({
          position: cssPosition,
          left: position.left,
          top: position.top,
        })

        return placeholder
      },

      removePlaceholder: function (element) {
        var dataKey = dataSpace + 'placeholder',
          placeholder = element.data(dataKey)

        if (placeholder) {
          placeholder.remove()
          element.removeData(dataKey)
        }
      },

      // Removes a placeholder if it exists and restores
      // properties that were modified during placeholder creation
      cleanUp: function (element) {
        $.effects.restoreStyle(element)
        $.effects.removePlaceholder(element)
      },

      setTransition: function (element, list, factor, value) {
        value = value || {}
        $.each(list, function (i, x) {
          var unit = element.cssUnit(x)
          if (unit[0] > 0) {
            value[x] = unit[0] * factor + unit[1]
          }
        })
        return value
      },
    })

    // Return an effect options object for the given parameters:
    function _normalizeArguments(effect, options, speed, callback) {
      // Allow passing all options as the first parameter
      if ($.isPlainObject(effect)) {
        options = effect
        effect = effect.effect
      }

      // Convert to an object
      effect = { effect: effect }

      // Catch (effect, null, ...)
      if (options == null) {
        options = {}
      }

      // Catch (effect, callback)
      if ($.isFunction(options)) {
        callback = options
        speed = null
        options = {}
      }

      // Catch (effect, speed, ?)
      if (typeof options === 'number' || $.fx.speeds[options]) {
        callback = speed
        speed = options
        options = {}
      }

      // Catch (effect, options, callback)
      if ($.isFunction(speed)) {
        callback = speed
        speed = null
      }

      // Add options to effect
      if (options) {
        $.extend(effect, options)
      }

      speed = speed || options.duration
      effect.duration = $.fx.off
        ? 0
        : typeof speed === 'number'
          ? speed
          : speed in $.fx.speeds
            ? $.fx.speeds[speed]
            : $.fx.speeds._default

      effect.complete = callback || options.complete

      return effect
    }

    function standardAnimationOption(option) {
      // Valid standard speeds (nothing, number, named speed)
      if (!option || typeof option === 'number' || $.fx.speeds[option]) {
        return true
      }

      // Invalid strings - treat as "normal" speed
      if (typeof option === 'string' && !$.effects.effect[option]) {
        return true
      }

      // Complete callback
      if ($.isFunction(option)) {
        return true
      }

      // Options hash (but not naming an effect)
      if (typeof option === 'object' && !option.effect) {
        return true
      }

      // Didn't match any standard API
      return false
    }

    $.fn.extend({
      effect: function (/* effect, options, speed, callback */) {
        var args = _normalizeArguments.apply(this, arguments),
          effectMethod = $.effects.effect[args.effect],
          defaultMode = effectMethod.mode,
          queue = args.queue,
          queueName = queue || 'fx',
          complete = args.complete,
          mode = args.mode,
          modes = [],
          prefilter = function (next) {
            var el = $(this),
              normalizedMode = $.effects.mode(el, mode) || defaultMode

            // Sentinel for duck-punching the :animated psuedo-selector
            el.data(dataSpaceAnimated, true)

            // Save effect mode for later use,
            // we can't just call $.effects.mode again later,
            // as the .show() below destroys the initial state
            modes.push(normalizedMode)

            // See $.uiBackCompat inside of run() for removal of defaultMode in 1.13
            if (
              defaultMode &&
              (normalizedMode === 'show' ||
                (normalizedMode === defaultMode && normalizedMode === 'hide'))
            ) {
              el.show()
            }

            if (!defaultMode || normalizedMode !== 'none') {
              $.effects.saveStyle(el)
            }

            if ($.isFunction(next)) {
              next()
            }
          }

        if ($.fx.off || !effectMethod) {
          // Delegate to the original method (e.g., .show()) if possible
          if (mode) {
            return this[mode](args.duration, complete)
          } else {
            return this.each(function () {
              if (complete) {
                complete.call(this)
              }
            })
          }
        }

        function run(next) {
          var elem = $(this)

          function cleanup() {
            elem.removeData(dataSpaceAnimated)

            $.effects.cleanUp(elem)

            if (args.mode === 'hide') {
              elem.hide()
            }

            done()
          }

          function done() {
            if ($.isFunction(complete)) {
              complete.call(elem[0])
            }

            if ($.isFunction(next)) {
              next()
            }
          }

          // Override mode option on a per element basis,
          // as toggle can be either show or hide depending on element state
          args.mode = modes.shift()

          if ($.uiBackCompat !== false && !defaultMode) {
            if (elem.is(':hidden') ? mode === 'hide' : mode === 'show') {
              // Call the core method to track "olddisplay" properly
              elem[mode]()
              done()
            } else {
              effectMethod.call(elem[0], args, done)
            }
          } else {
            if (args.mode === 'none') {
              // Call the core method to track "olddisplay" properly
              elem[mode]()
              done()
            } else {
              effectMethod.call(elem[0], args, cleanup)
            }
          }
        }

        // Run prefilter on all elements first to ensure that
        // any showing or hiding happens before placeholder creation,
        // which ensures that any layout changes are correctly captured.
        return queue === false
          ? this.each(prefilter).each(run)
          : this.queue(queueName, prefilter).queue(queueName, run)
      },

      show: (function (orig) {
        return function (option) {
          if (standardAnimationOption(option)) {
            return orig.apply(this, arguments)
          } else {
            var args = _normalizeArguments.apply(this, arguments)
            args.mode = 'show'
            return this.effect.call(this, args)
          }
        }
      })($.fn.show),

      hide: (function (orig) {
        return function (option) {
          if (standardAnimationOption(option)) {
            return orig.apply(this, arguments)
          } else {
            var args = _normalizeArguments.apply(this, arguments)
            args.mode = 'hide'
            return this.effect.call(this, args)
          }
        }
      })($.fn.hide),

      toggle: (function (orig) {
        return function (option) {
          if (standardAnimationOption(option) || typeof option === 'boolean') {
            return orig.apply(this, arguments)
          } else {
            var args = _normalizeArguments.apply(this, arguments)
            args.mode = 'toggle'
            return this.effect.call(this, args)
          }
        }
      })($.fn.toggle),

      cssUnit: function (key) {
        var style = this.css(key),
          val = []

        $.each(['em', 'px', '%', 'pt'], function (i, unit) {
          if (style.indexOf(unit) > 0) {
            val = [parseFloat(style), unit]
          }
        })
        return val
      },

      cssClip: function (clipObj) {
        if (clipObj) {
          return this.css(
            'clip',
            'rect(' +
              clipObj.top +
              'px ' +
              clipObj.right +
              'px ' +
              clipObj.bottom +
              'px ' +
              clipObj.left +
              'px)'
          )
        }
        return parseClip(this.css('clip'), this)
      },

      transfer: function (options, done) {
        var element = $(this),
          target = $(options.to),
          targetFixed = target.css('position') === 'fixed',
          body = $('body'),
          fixTop = targetFixed ? body.scrollTop() : 0,
          fixLeft = targetFixed ? body.scrollLeft() : 0,
          endPosition = target.offset(),
          animation = {
            top: endPosition.top - fixTop,
            left: endPosition.left - fixLeft,
            height: target.innerHeight(),
            width: target.innerWidth(),
          },
          startPosition = element.offset(),
          transfer = $("<div class='ui-effects-transfer'></div>")
            .appendTo('body')
            .addClass(options.className)
            .css({
              top: startPosition.top - fixTop,
              left: startPosition.left - fixLeft,
              height: element.innerHeight(),
              width: element.innerWidth(),
              position: targetFixed ? 'fixed' : 'absolute',
            })
            .animate(animation, options.duration, options.easing, function () {
              transfer.remove()
              if ($.isFunction(done)) {
                done()
              }
            })
      },
    })

    function parseClip(str, element) {
      var outerWidth = element.outerWidth(),
        outerHeight = element.outerHeight(),
        clipRegex =
          /^rect\((-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto)\)$/,
        values = clipRegex.exec(str) || ['', 0, outerWidth, outerHeight, 0]

      return {
        top: parseFloat(values[1]) || 0,
        right: values[2] === 'auto' ? outerWidth : parseFloat(values[2]),
        bottom: values[3] === 'auto' ? outerHeight : parseFloat(values[3]),
        left: parseFloat(values[4]) || 0,
      }
    }

    $.fx.step.clip = function (fx) {
      if (!fx.clipInit) {
        fx.start = $(fx.elem).cssClip()
        if (typeof fx.end === 'string') {
          fx.end = parseClip(fx.end, fx.elem)
        }
        fx.clipInit = true
      }

      $(fx.elem).cssClip({
        top: fx.pos * (fx.end.top - fx.start.top) + fx.start.top,
        right: fx.pos * (fx.end.right - fx.start.right) + fx.start.right,
        bottom: fx.pos * (fx.end.bottom - fx.start.bottom) + fx.start.bottom,
        left: fx.pos * (fx.end.left - fx.start.left) + fx.start.left,
      })
    }
  })()

  /******************************************************************************/
  /*********************************** EASING ***********************************/
  /******************************************************************************/

  ;(function () {
    // Based on easing equations from Robert Penner (http://www.robertpenner.com/easing)

    var baseEasings = {}

    $.each(['Quad', 'Cubic', 'Quart', 'Quint', 'Expo'], function (i, name) {
      baseEasings[name] = function (p) {
        return Math.pow(p, i + 2)
      }
    })

    $.extend(baseEasings, {
      Sine: function (p) {
        return 1 - Math.cos((p * Math.PI) / 2)
      },
      Circ: function (p) {
        return 1 - Math.sqrt(1 - p * p)
      },
      Elastic: function (p) {
        return p === 0 || p === 1
          ? p
          : -Math.pow(2, 8 * (p - 1)) *
              Math.sin((((p - 1) * 80 - 7.5) * Math.PI) / 15)
      },
      Back: function (p) {
        return p * p * (3 * p - 2)
      },
      Bounce: function (p) {
        var pow2,
          bounce = 4

        while (p < ((pow2 = Math.pow(2, --bounce)) - 1) / 11) {}
        return (
          1 / Math.pow(4, 3 - bounce) -
          7.5625 * Math.pow((pow2 * 3 - 2) / 22 - p, 2)
        )
      },
    })

    $.each(baseEasings, function (name, easeIn) {
      $.easing['easeIn' + name] = easeIn
      $.easing['easeOut' + name] = function (p) {
        return 1 - easeIn(1 - p)
      }
      $.easing['easeInOut' + name] = function (p) {
        return p < 0.5 ? easeIn(p * 2) / 2 : 1 - easeIn(p * -2 + 2) / 2
      }
    })
  })()

  var effect = $.effects

  /*!
   * jQuery UI Effects Blind 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Blind Effect
  //>>group: Effects
  //>>description: Blinds the element.
  //>>docs: http://api.jqueryui.com/blind-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectBlind = $.effects.define(
    'blind',
    'hide',
    function (options, done) {
      var map = {
          up: ['bottom', 'top'],
          vertical: ['bottom', 'top'],
          down: ['top', 'bottom'],
          left: ['right', 'left'],
          horizontal: ['right', 'left'],
          right: ['left', 'right'],
        },
        element = $(this),
        direction = options.direction || 'up',
        start = element.cssClip(),
        animate = { clip: $.extend({}, start) },
        placeholder = $.effects.createPlaceholder(element)

      animate.clip[map[direction][0]] = animate.clip[map[direction][1]]

      if (options.mode === 'show') {
        element.cssClip(animate.clip)
        if (placeholder) {
          placeholder.css($.effects.clipToBox(animate))
        }

        animate.clip = start
      }

      if (placeholder) {
        placeholder.animate(
          $.effects.clipToBox(animate),
          options.duration,
          options.easing
        )
      }

      element.animate(animate, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done,
      })
    }
  )

  /*!
   * jQuery UI Effects Bounce 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Bounce Effect
  //>>group: Effects
  //>>description: Bounces an element horizontally or vertically n times.
  //>>docs: http://api.jqueryui.com/bounce-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectBounce = $.effects.define(
    'bounce',
    function (options, done) {
      var upAnim,
        downAnim,
        refValue,
        element = $(this),
        // Defaults:
        mode = options.mode,
        hide = mode === 'hide',
        show = mode === 'show',
        direction = options.direction || 'up',
        distance = options.distance,
        times = options.times || 5,
        // Number of internal animations
        anims = times * 2 + (show || hide ? 1 : 0),
        speed = options.duration / anims,
        easing = options.easing,
        // Utility:
        ref = direction === 'up' || direction === 'down' ? 'top' : 'left',
        motion = direction === 'up' || direction === 'left',
        i = 0,
        queuelen = element.queue().length

      $.effects.createPlaceholder(element)

      refValue = element.css(ref)

      // Default distance for the BIGGEST bounce is the outer Distance / 3
      if (!distance) {
        distance = element[ref === 'top' ? 'outerHeight' : 'outerWidth']() / 3
      }

      if (show) {
        downAnim = { opacity: 1 }
        downAnim[ref] = refValue

        // If we are showing, force opacity 0 and set the initial position
        // then do the "first" animation
        element
          .css('opacity', 0)
          .css(ref, motion ? -distance * 2 : distance * 2)
          .animate(downAnim, speed, easing)
      }

      // Start at the smallest distance if we are hiding
      if (hide) {
        distance = distance / Math.pow(2, times - 1)
      }

      downAnim = {}
      downAnim[ref] = refValue

      // Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
      for (; i < times; i++) {
        upAnim = {}
        upAnim[ref] = (motion ? '-=' : '+=') + distance

        element.animate(upAnim, speed, easing).animate(downAnim, speed, easing)

        distance = hide ? distance * 2 : distance / 2
      }

      // Last Bounce when Hiding
      if (hide) {
        upAnim = { opacity: 0 }
        upAnim[ref] = (motion ? '-=' : '+=') + distance

        element.animate(upAnim, speed, easing)
      }

      element.queue(done)

      $.effects.unshift(element, queuelen, anims + 1)
    }
  )

  /*!
   * jQuery UI Effects Clip 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Clip Effect
  //>>group: Effects
  //>>description: Clips the element on and off like an old TV.
  //>>docs: http://api.jqueryui.com/clip-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectClip = $.effects.define(
    'clip',
    'hide',
    function (options, done) {
      var start,
        animate = {},
        element = $(this),
        direction = options.direction || 'vertical',
        both = direction === 'both',
        horizontal = both || direction === 'horizontal',
        vertical = both || direction === 'vertical'

      start = element.cssClip()
      animate.clip = {
        top: vertical ? (start.bottom - start.top) / 2 : start.top,
        right: horizontal ? (start.right - start.left) / 2 : start.right,
        bottom: vertical ? (start.bottom - start.top) / 2 : start.bottom,
        left: horizontal ? (start.right - start.left) / 2 : start.left,
      }

      $.effects.createPlaceholder(element)

      if (options.mode === 'show') {
        element.cssClip(animate.clip)
        animate.clip = start
      }

      element.animate(animate, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done,
      })
    }
  )

  /*!
   * jQuery UI Effects Drop 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Drop Effect
  //>>group: Effects
  //>>description: Moves an element in one direction and hides it at the same time.
  //>>docs: http://api.jqueryui.com/drop-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectDrop = $.effects.define(
    'drop',
    'hide',
    function (options, done) {
      var distance,
        element = $(this),
        mode = options.mode,
        show = mode === 'show',
        direction = options.direction || 'left',
        ref = direction === 'up' || direction === 'down' ? 'top' : 'left',
        motion = direction === 'up' || direction === 'left' ? '-=' : '+=',
        oppositeMotion = motion === '+=' ? '-=' : '+=',
        animation = {
          opacity: 0,
        }

      $.effects.createPlaceholder(element)

      distance =
        options.distance ||
        element[ref === 'top' ? 'outerHeight' : 'outerWidth'](true) / 2

      animation[ref] = motion + distance

      if (show) {
        element.css(animation)

        animation[ref] = oppositeMotion + distance
        animation.opacity = 1
      }

      // Animate
      element.animate(animation, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done,
      })
    }
  )

  /*!
   * jQuery UI Effects Explode 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Explode Effect
  //>>group: Effects
  // jscs:disable maximumLineLength
  //>>description: Explodes an element in all directions into n pieces. Implodes an element to its original wholeness.
  // jscs:enable maximumLineLength
  //>>docs: http://api.jqueryui.com/explode-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectExplode = $.effects.define(
    'explode',
    'hide',
    function (options, done) {
      var i,
        j,
        left,
        top,
        mx,
        my,
        rows = options.pieces ? Math.round(Math.sqrt(options.pieces)) : 3,
        cells = rows,
        element = $(this),
        mode = options.mode,
        show = mode === 'show',
        // Show and then visibility:hidden the element before calculating offset
        offset = element.show().css('visibility', 'hidden').offset(),
        // Width and height of a piece
        width = Math.ceil(element.outerWidth() / cells),
        height = Math.ceil(element.outerHeight() / rows),
        pieces = []

      // Children animate complete:
      function childComplete() {
        pieces.push(this)
        if (pieces.length === rows * cells) {
          animComplete()
        }
      }

      // Clone the element for each row and cell.
      for (i = 0; i < rows; i++) {
        // ===>
        top = offset.top + i * height
        my = i - (rows - 1) / 2

        for (j = 0; j < cells; j++) {
          // |||
          left = offset.left + j * width
          mx = j - (cells - 1) / 2

          // Create a clone of the now hidden main element that will be absolute positioned
          // within a wrapper div off the -left and -top equal to size of our pieces
          element
            .clone()
            .appendTo('body')
            .wrap('<div></div>')
            .css({
              position: 'absolute',
              visibility: 'visible',
              left: -j * width,
              top: -i * height,
            })

            // Select the wrapper - make it overflow: hidden and absolute positioned based on
            // where the original was located +left and +top equal to the size of pieces
            .parent()
            .addClass('ui-effects-explode')
            .css({
              position: 'absolute',
              overflow: 'hidden',
              width: width,
              height: height,
              left: left + (show ? mx * width : 0),
              top: top + (show ? my * height : 0),
              opacity: show ? 0 : 1,
            })
            .animate(
              {
                left: left + (show ? 0 : mx * width),
                top: top + (show ? 0 : my * height),
                opacity: show ? 1 : 0,
              },
              options.duration || 500,
              options.easing,
              childComplete
            )
        }
      }

      function animComplete() {
        element.css({
          visibility: 'visible',
        })
        $(pieces).remove()
        done()
      }
    }
  )

  /*!
   * jQuery UI Effects Fade 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Fade Effect
  //>>group: Effects
  //>>description: Fades the element.
  //>>docs: http://api.jqueryui.com/fade-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectFade = $.effects.define(
    'fade',
    'toggle',
    function (options, done) {
      var show = options.mode === 'show'

      $(this)
        .css('opacity', show ? 0 : 1)
        .animate(
          {
            opacity: show ? 1 : 0,
          },
          {
            queue: false,
            duration: options.duration,
            easing: options.easing,
            complete: done,
          }
        )
    }
  )

  /*!
   * jQuery UI Effects Fold 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Fold Effect
  //>>group: Effects
  //>>description: Folds an element first horizontally and then vertically.
  //>>docs: http://api.jqueryui.com/fold-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectFold = $.effects.define(
    'fold',
    'hide',
    function (options, done) {
      // Create element
      var element = $(this),
        mode = options.mode,
        show = mode === 'show',
        hide = mode === 'hide',
        size = options.size || 15,
        percent = /([0-9]+)%/.exec(size),
        horizFirst = !!options.horizFirst,
        ref = horizFirst ? ['right', 'bottom'] : ['bottom', 'right'],
        duration = options.duration / 2,
        placeholder = $.effects.createPlaceholder(element),
        start = element.cssClip(),
        animation1 = { clip: $.extend({}, start) },
        animation2 = { clip: $.extend({}, start) },
        distance = [start[ref[0]], start[ref[1]]],
        queuelen = element.queue().length

      if (percent) {
        size = (parseInt(percent[1], 10) / 100) * distance[hide ? 0 : 1]
      }
      animation1.clip[ref[0]] = size
      animation2.clip[ref[0]] = size
      animation2.clip[ref[1]] = 0

      if (show) {
        element.cssClip(animation2.clip)
        if (placeholder) {
          placeholder.css($.effects.clipToBox(animation2))
        }

        animation2.clip = start
      }

      // Animate
      element
        .queue(function (next) {
          if (placeholder) {
            placeholder
              .animate(
                $.effects.clipToBox(animation1),
                duration,
                options.easing
              )
              .animate(
                $.effects.clipToBox(animation2),
                duration,
                options.easing
              )
          }

          next()
        })
        .animate(animation1, duration, options.easing)
        .animate(animation2, duration, options.easing)
        .queue(done)

      $.effects.unshift(element, queuelen, 4)
    }
  )

  /*!
   * jQuery UI Effects Highlight 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Highlight Effect
  //>>group: Effects
  //>>description: Highlights the background of an element in a defined color for a custom duration.
  //>>docs: http://api.jqueryui.com/highlight-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectHighlight = $.effects.define(
    'highlight',
    'show',
    function (options, done) {
      var element = $(this),
        animation = {
          backgroundColor: element.css('backgroundColor'),
        }

      if (options.mode === 'hide') {
        animation.opacity = 0
      }

      $.effects.saveStyle(element)

      element
        .css({
          backgroundImage: 'none',
          backgroundColor: options.color || '#ffff99',
        })
        .animate(animation, {
          queue: false,
          duration: options.duration,
          easing: options.easing,
          complete: done,
        })
    }
  )

  /*!
   * jQuery UI Effects Size 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Size Effect
  //>>group: Effects
  //>>description: Resize an element to a specified width and height.
  //>>docs: http://api.jqueryui.com/size-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectSize = $.effects.define('size', function (options, done) {
    // Create element
    var baseline,
      factor,
      temp,
      element = $(this),
      // Copy for children
      cProps = ['fontSize'],
      vProps = [
        'borderTopWidth',
        'borderBottomWidth',
        'paddingTop',
        'paddingBottom',
      ],
      hProps = [
        'borderLeftWidth',
        'borderRightWidth',
        'paddingLeft',
        'paddingRight',
      ],
      // Set options
      mode = options.mode,
      restore = mode !== 'effect',
      scale = options.scale || 'both',
      origin = options.origin || ['middle', 'center'],
      position = element.css('position'),
      pos = element.position(),
      original = $.effects.scaledDimensions(element),
      from = options.from || original,
      to = options.to || $.effects.scaledDimensions(element, 0)

    $.effects.createPlaceholder(element)

    if (mode === 'show') {
      temp = from
      from = to
      to = temp
    }

    // Set scaling factor
    factor = {
      from: {
        y: from.height / original.height,
        x: from.width / original.width,
      },
      to: {
        y: to.height / original.height,
        x: to.width / original.width,
      },
    }

    // Scale the css box
    if (scale === 'box' || scale === 'both') {
      // Vertical props scaling
      if (factor.from.y !== factor.to.y) {
        from = $.effects.setTransition(element, vProps, factor.from.y, from)
        to = $.effects.setTransition(element, vProps, factor.to.y, to)
      }

      // Horizontal props scaling
      if (factor.from.x !== factor.to.x) {
        from = $.effects.setTransition(element, hProps, factor.from.x, from)
        to = $.effects.setTransition(element, hProps, factor.to.x, to)
      }
    }

    // Scale the content
    if (scale === 'content' || scale === 'both') {
      // Vertical props scaling
      if (factor.from.y !== factor.to.y) {
        from = $.effects.setTransition(element, cProps, factor.from.y, from)
        to = $.effects.setTransition(element, cProps, factor.to.y, to)
      }
    }

    // Adjust the position properties based on the provided origin points
    if (origin) {
      baseline = $.effects.getBaseline(origin, original)
      from.top =
        (original.outerHeight - from.outerHeight) * baseline.y + pos.top
      from.left =
        (original.outerWidth - from.outerWidth) * baseline.x + pos.left
      to.top = (original.outerHeight - to.outerHeight) * baseline.y + pos.top
      to.left = (original.outerWidth - to.outerWidth) * baseline.x + pos.left
    }
    element.css(from)

    // Animate the children if desired
    if (scale === 'content' || scale === 'both') {
      vProps = vProps.concat(['marginTop', 'marginBottom']).concat(cProps)
      hProps = hProps.concat(['marginLeft', 'marginRight'])

      // Only animate children with width attributes specified
      // TODO: is this right? should we include anything with css width specified as well
      element.find('*[width]').each(function () {
        var child = $(this),
          childOriginal = $.effects.scaledDimensions(child),
          childFrom = {
            height: childOriginal.height * factor.from.y,
            width: childOriginal.width * factor.from.x,
            outerHeight: childOriginal.outerHeight * factor.from.y,
            outerWidth: childOriginal.outerWidth * factor.from.x,
          },
          childTo = {
            height: childOriginal.height * factor.to.y,
            width: childOriginal.width * factor.to.x,
            outerHeight: childOriginal.height * factor.to.y,
            outerWidth: childOriginal.width * factor.to.x,
          }

        // Vertical props scaling
        if (factor.from.y !== factor.to.y) {
          childFrom = $.effects.setTransition(
            child,
            vProps,
            factor.from.y,
            childFrom
          )
          childTo = $.effects.setTransition(child, vProps, factor.to.y, childTo)
        }

        // Horizontal props scaling
        if (factor.from.x !== factor.to.x) {
          childFrom = $.effects.setTransition(
            child,
            hProps,
            factor.from.x,
            childFrom
          )
          childTo = $.effects.setTransition(child, hProps, factor.to.x, childTo)
        }

        if (restore) {
          $.effects.saveStyle(child)
        }

        // Animate children
        child.css(childFrom)
        child.animate(childTo, options.duration, options.easing, function () {
          // Restore children
          if (restore) {
            $.effects.restoreStyle(child)
          }
        })
      })
    }

    // Animate
    element.animate(to, {
      queue: false,
      duration: options.duration,
      easing: options.easing,
      complete: function () {
        var offset = element.offset()

        if (to.opacity === 0) {
          element.css('opacity', from.opacity)
        }

        if (!restore) {
          element
            .css('position', position === 'static' ? 'relative' : position)
            .offset(offset)

          // Need to save style here so that automatic style restoration
          // doesn't restore to the original styles from before the animation.
          $.effects.saveStyle(element)
        }

        done()
      },
    })
  })

  /*!
   * jQuery UI Effects Scale 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Scale Effect
  //>>group: Effects
  //>>description: Grows or shrinks an element and its content.
  //>>docs: http://api.jqueryui.com/scale-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectScale = $.effects.define('scale', function (options, done) {
    // Create element
    var el = $(this),
      mode = options.mode,
      percent =
        parseInt(options.percent, 10) ||
        (parseInt(options.percent, 10) === 0 ? 0 : mode !== 'effect' ? 0 : 100),
      newOptions = $.extend(
        true,
        {
          from: $.effects.scaledDimensions(el),
          to: $.effects.scaledDimensions(
            el,
            percent,
            options.direction || 'both'
          ),
          origin: options.origin || ['middle', 'center'],
        },
        options
      )

    // Fade option to support puff
    if (options.fade) {
      newOptions.from.opacity = 1
      newOptions.to.opacity = 0
    }

    $.effects.effect.size.call(this, newOptions, done)
  })

  /*!
   * jQuery UI Effects Puff 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Puff Effect
  //>>group: Effects
  //>>description: Creates a puff effect by scaling the element up and hiding it at the same time.
  //>>docs: http://api.jqueryui.com/puff-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectPuff = $.effects.define(
    'puff',
    'hide',
    function (options, done) {
      var newOptions = $.extend(true, {}, options, {
        fade: true,
        percent: parseInt(options.percent, 10) || 150,
      })

      $.effects.effect.scale.call(this, newOptions, done)
    }
  )

  /*!
   * jQuery UI Effects Pulsate 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Pulsate Effect
  //>>group: Effects
  //>>description: Pulsates an element n times by changing the opacity to zero and back.
  //>>docs: http://api.jqueryui.com/pulsate-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectPulsate = $.effects.define(
    'pulsate',
    'show',
    function (options, done) {
      var element = $(this),
        mode = options.mode,
        show = mode === 'show',
        hide = mode === 'hide',
        showhide = show || hide,
        // Showing or hiding leaves off the "last" animation
        anims = (options.times || 5) * 2 + (showhide ? 1 : 0),
        duration = options.duration / anims,
        animateTo = 0,
        i = 1,
        queuelen = element.queue().length

      if (show || !element.is(':visible')) {
        element.css('opacity', 0).show()
        animateTo = 1
      }

      // Anims - 1 opacity "toggles"
      for (; i < anims; i++) {
        element.animate({ opacity: animateTo }, duration, options.easing)
        animateTo = 1 - animateTo
      }

      element.animate({ opacity: animateTo }, duration, options.easing)

      element.queue(done)

      $.effects.unshift(element, queuelen, anims + 1)
    }
  )

  /*!
   * jQuery UI Effects Shake 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Shake Effect
  //>>group: Effects
  //>>description: Shakes an element horizontally or vertically n times.
  //>>docs: http://api.jqueryui.com/shake-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectShake = $.effects.define('shake', function (options, done) {
    var i = 1,
      element = $(this),
      direction = options.direction || 'left',
      distance = options.distance || 20,
      times = options.times || 3,
      anims = times * 2 + 1,
      speed = Math.round(options.duration / anims),
      ref = direction === 'up' || direction === 'down' ? 'top' : 'left',
      positiveMotion = direction === 'up' || direction === 'left',
      animation = {},
      animation1 = {},
      animation2 = {},
      queuelen = element.queue().length

    $.effects.createPlaceholder(element)

    // Animation
    animation[ref] = (positiveMotion ? '-=' : '+=') + distance
    animation1[ref] = (positiveMotion ? '+=' : '-=') + distance * 2
    animation2[ref] = (positiveMotion ? '-=' : '+=') + distance * 2

    // Animate
    element.animate(animation, speed, options.easing)

    // Shakes
    for (; i < times; i++) {
      element
        .animate(animation1, speed, options.easing)
        .animate(animation2, speed, options.easing)
    }

    element
      .animate(animation1, speed, options.easing)
      .animate(animation, speed / 2, options.easing)
      .queue(done)

    $.effects.unshift(element, queuelen, anims + 1)
  })

  /*!
   * jQuery UI Effects Slide 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Slide Effect
  //>>group: Effects
  //>>description: Slides an element in and out of the viewport.
  //>>docs: http://api.jqueryui.com/slide-effect/
  //>>demos: http://jqueryui.com/effect/

  var effectsEffectSlide = $.effects.define(
    'slide',
    'show',
    function (options, done) {
      var startClip,
        startRef,
        element = $(this),
        map = {
          up: ['bottom', 'top'],
          down: ['top', 'bottom'],
          left: ['right', 'left'],
          right: ['left', 'right'],
        },
        mode = options.mode,
        direction = options.direction || 'left',
        ref = direction === 'up' || direction === 'down' ? 'top' : 'left',
        positiveMotion = direction === 'up' || direction === 'left',
        distance =
          options.distance ||
          element[ref === 'top' ? 'outerHeight' : 'outerWidth'](true),
        animation = {}

      $.effects.createPlaceholder(element)

      startClip = element.cssClip()
      startRef = element.position()[ref]

      // Define hide animation
      animation[ref] = (positiveMotion ? -1 : 1) * distance + startRef
      animation.clip = element.cssClip()
      animation.clip[map[direction][1]] = animation.clip[map[direction][0]]

      // Reverse the animation if we're showing
      if (mode === 'show') {
        element.cssClip(animation.clip)
        element.css(ref, animation[ref])
        animation.clip = startClip
        animation[ref] = startRef
      }

      // Actually animate
      element.animate(animation, {
        queue: false,
        duration: options.duration,
        easing: options.easing,
        complete: done,
      })
    }
  )

  /*!
   * jQuery UI Effects Transfer 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Transfer Effect
  //>>group: Effects
  //>>description: Displays a transfer effect from one element to another.
  //>>docs: http://api.jqueryui.com/transfer-effect/
  //>>demos: http://jqueryui.com/effect/

  var effect
  if ($.uiBackCompat !== false) {
    effect = $.effects.define('transfer', function (options, done) {
      $(this).transfer(options, done)
    })
  }
  var effectsEffectTransfer = effect

  /*!
   * jQuery UI Focusable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: :focusable Selector
  //>>group: Core
  //>>description: Selects elements which can be focused.
  //>>docs: http://api.jqueryui.com/focusable-selector/

  // Selectors
  $.ui.focusable = function (element, hasTabindex) {
    var map,
      mapName,
      img,
      focusableIfVisible,
      fieldset,
      nodeName = element.nodeName.toLowerCase()

    if ('area' === nodeName) {
      map = element.parentNode
      mapName = map.name
      if (!element.href || !mapName || map.nodeName.toLowerCase() !== 'map') {
        return false
      }
      img = $("img[usemap='#" + mapName + "']")
      return img.length > 0 && img.is(':visible')
    }

    if (/^(input|select|textarea|button|object)$/.test(nodeName)) {
      focusableIfVisible = !element.disabled

      if (focusableIfVisible) {
        // Form controls within a disabled fieldset are disabled.
        // However, controls within the fieldset's legend do not get disabled.
        // Since controls generally aren't placed inside legends, we skip
        // this portion of the check.
        fieldset = $(element).closest('fieldset')[0]
        if (fieldset) {
          focusableIfVisible = !fieldset.disabled
        }
      }
    } else if ('a' === nodeName) {
      focusableIfVisible = element.href || hasTabindex
    } else {
      focusableIfVisible = hasTabindex
    }

    return (
      focusableIfVisible && $(element).is(':visible') && visible($(element))
    )
  }

  // Support: IE 8 only
  // IE 8 doesn't resolve inherit to visible/hidden for computed values
  function visible(element) {
    var visibility = element.css('visibility')
    while (visibility === 'inherit') {
      element = element.parent()
      visibility = element.css('visibility')
    }
    return visibility !== 'hidden'
  }

  $.extend($.expr[':'], {
    focusable: function (element) {
      return $.ui.focusable(element, $.attr(element, 'tabindex') != null)
    },
  })

  var focusable = $.ui.focusable

  // Support: IE8 Only
  // IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
  // with a string, so we need to find the proper form.
  var form = ($.fn.form = function () {
    return typeof this[0].form === 'string'
      ? this.closest('form')
      : $(this[0].form)
  })

  /*!
   * jQuery UI Form Reset Mixin 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Form Reset Mixin
  //>>group: Core
  //>>description: Refresh input widgets when their form is reset
  //>>docs: http://api.jqueryui.com/form-reset-mixin/

  var formResetMixin = ($.ui.formResetMixin = {
    _formResetHandler: function () {
      var form = $(this)

      // Wait for the form reset to actually happen before refreshing
      setTimeout(function () {
        var instances = form.data('ui-form-reset-instances')
        $.each(instances, function () {
          this.refresh()
        })
      })
    },

    _bindFormResetHandler: function () {
      this.form = this.element.form()
      if (!this.form.length) {
        return
      }

      var instances = this.form.data('ui-form-reset-instances') || []
      if (!instances.length) {
        // We don't use _on() here because we use a single event handler per form
        this.form.on('reset.ui-form-reset', this._formResetHandler)
      }
      instances.push(this)
      this.form.data('ui-form-reset-instances', instances)
    },

    _unbindFormResetHandler: function () {
      if (!this.form.length) {
        return
      }

      var instances = this.form.data('ui-form-reset-instances')
      instances.splice($.inArray(this, instances), 1)
      if (instances.length) {
        this.form.data('ui-form-reset-instances', instances)
      } else {
        this.form
          .removeData('ui-form-reset-instances')
          .off('reset.ui-form-reset')
      }
    },
  })

  /*!
   * jQuery UI Support for jQuery core 1.7.x 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   */

  //>>label: jQuery 1.7 Support
  //>>group: Core
  //>>description: Support version 1.7.x of jQuery core

  // Support: jQuery 1.7 only
  // Not a great way to check versions, but since we only support 1.7+ and only
  // need to detect <1.8, this is a simple check that should suffice. Checking
  // for "1.7." would be a bit safer, but the version string is 1.7, not 1.7.0
  // and we'll never reach 1.70.0 (if we do, we certainly won't be supporting
  // 1.7 anymore). See #11197 for why we're not using feature detection.
  if ($.fn.jquery.substring(0, 3) === '1.7') {
    // Setters for .innerWidth(), .innerHeight(), .outerWidth(), .outerHeight()
    // Unlike jQuery Core 1.8+, these only support numeric values to set the
    // dimensions in pixels
    $.each(['Width', 'Height'], function (i, name) {
      var side = name === 'Width' ? ['Left', 'Right'] : ['Top', 'Bottom'],
        type = name.toLowerCase(),
        orig = {
          innerWidth: $.fn.innerWidth,
          innerHeight: $.fn.innerHeight,
          outerWidth: $.fn.outerWidth,
          outerHeight: $.fn.outerHeight,
        }

      function reduce(elem, size, border, margin) {
        $.each(side, function () {
          size -= parseFloat($.css(elem, 'padding' + this)) || 0
          if (border) {
            size -= parseFloat($.css(elem, 'border' + this + 'Width')) || 0
          }
          if (margin) {
            size -= parseFloat($.css(elem, 'margin' + this)) || 0
          }
        })
        return size
      }

      $.fn['inner' + name] = function (size) {
        if (size === undefined) {
          return orig['inner' + name].call(this)
        }

        return this.each(function () {
          $(this).css(type, reduce(this, size) + 'px')
        })
      }

      $.fn['outer' + name] = function (size, margin) {
        if (typeof size !== 'number') {
          return orig['outer' + name].call(this, size)
        }

        return this.each(function () {
          $(this).css(type, reduce(this, size, true, margin) + 'px')
        })
      }
    })

    $.fn.addBack = function (selector) {
      return this.add(
        selector == null ? this.prevObject : this.prevObject.filter(selector)
      )
    }
  }

  /*!
   * jQuery UI Keycode 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Keycode
  //>>group: Core
  //>>description: Provide keycodes as keynames
  //>>docs: http://api.jqueryui.com/jQuery.ui.keyCode/

  var keycode = ($.ui.keyCode = {
    BACKSPACE: 8,
    COMMA: 188,
    DELETE: 46,
    DOWN: 40,
    END: 35,
    ENTER: 13,
    ESCAPE: 27,
    HOME: 36,
    LEFT: 37,
    PAGE_DOWN: 34,
    PAGE_UP: 33,
    PERIOD: 190,
    RIGHT: 39,
    SPACE: 32,
    TAB: 9,
    UP: 38,
  })

  // Internal use only
  var escapeSelector = ($.ui.escapeSelector = (function () {
    var selectorEscape = /([!"#$%&'()*+,./:;<=>?@[\]^`{|}~])/g
    return function (selector) {
      return selector.replace(selectorEscape, '\\$1')
    }
  })())

  /*!
   * jQuery UI Labels 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: labels
  //>>group: Core
  //>>description: Find all the labels associated with a given input
  //>>docs: http://api.jqueryui.com/labels/

  var labels = ($.fn.labels = function () {
    var ancestor, selector, id, labels, ancestors

    // Check control.labels first
    if (this[0].labels && this[0].labels.length) {
      return this.pushStack(this[0].labels)
    }

    // Support: IE <= 11, FF <= 37, Android <= 2.3 only
    // Above browsers do not support control.labels. Everything below is to support them
    // as well as document fragments. control.labels does not work on document fragments
    labels = this.eq(0).parents('label')

    // Look for the label based on the id
    id = this.attr('id')
    if (id) {
      // We don't search against the document in case the element
      // is disconnected from the DOM
      ancestor = this.eq(0).parents().last()

      // Get a full set of top level ancestors
      ancestors = ancestor.add(
        ancestor.length ? ancestor.siblings() : this.siblings()
      )

      // Create a selector for the label based on the id
      selector = "label[for='" + $.ui.escapeSelector(id) + "']"

      labels = labels.add(ancestors.find(selector).addBack(selector))
    }

    // Return whatever we have found for labels
    return this.pushStack(labels)
  })

  /*!
   * jQuery UI Scroll Parent 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: scrollParent
  //>>group: Core
  //>>description: Get the closest ancestor element that is scrollable.
  //>>docs: http://api.jqueryui.com/scrollParent/

  var scrollParent = ($.fn.scrollParent = function (includeHidden) {
    var position = this.css('position'),
      excludeStaticParent = position === 'absolute',
      overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
      scrollParent = this.parents()
        .filter(function () {
          var parent = $(this)
          if (excludeStaticParent && parent.css('position') === 'static') {
            return false
          }
          return overflowRegex.test(
            parent.css('overflow') +
              parent.css('overflow-y') +
              parent.css('overflow-x')
          )
        })
        .eq(0)

    return position === 'fixed' || !scrollParent.length
      ? $(this[0].ownerDocument || document)
      : scrollParent
  })

  /*!
   * jQuery UI Tabbable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: :tabbable Selector
  //>>group: Core
  //>>description: Selects elements which can be tabbed to.
  //>>docs: http://api.jqueryui.com/tabbable-selector/

  var tabbable = $.extend($.expr[':'], {
    tabbable: function (element) {
      var tabIndex = $.attr(element, 'tabindex'),
        hasTabindex = tabIndex != null
      return (
        (!hasTabindex || tabIndex >= 0) && $.ui.focusable(element, hasTabindex)
      )
    },
  })

  /*!
   * jQuery UI Unique ID 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: uniqueId
  //>>group: Core
  //>>description: Functions to generate and remove uniqueId's
  //>>docs: http://api.jqueryui.com/uniqueId/

  var uniqueId = $.fn.extend({
    uniqueId: (function () {
      var uuid = 0

      return function () {
        return this.each(function () {
          if (!this.id) {
            this.id = 'ui-id-' + ++uuid
          }
        })
      }
    })(),

    removeUniqueId: function () {
      return this.each(function () {
        if (/^ui-id-\d+$/.test(this.id)) {
          $(this).removeAttr('id')
        }
      })
    },
  })

  /*!
   * jQuery UI Accordion 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Accordion
  //>>group: Widgets
  // jscs:disable maximumLineLength
  //>>description: Displays collapsible content panels for presenting information in a limited amount of space.
  // jscs:enable maximumLineLength
  //>>docs: http://api.jqueryui.com/accordion/
  //>>demos: http://jqueryui.com/accordion/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/accordion.css
  //>>css.theme: ../../themes/base/theme.css

  var widgetsAccordion = $.widget('ui.accordion', {
    version: '1.12.1',
    options: {
      active: 0,
      animate: {},
      classes: {
        'ui-accordion-header': 'ui-corner-top',
        'ui-accordion-header-collapsed': 'ui-corner-all',
        'ui-accordion-content': 'ui-corner-bottom',
      },
      collapsible: false,
      event: 'click',
      header: '> li > :first-child, > :not(li):even',
      heightStyle: 'auto',
      icons: {
        activeHeader: 'ui-icon-triangle-1-s',
        header: 'ui-icon-triangle-1-e',
      },

      // Callbacks
      activate: null,
      beforeActivate: null,
    },

    hideProps: {
      borderTopWidth: 'hide',
      borderBottomWidth: 'hide',
      paddingTop: 'hide',
      paddingBottom: 'hide',
      height: 'hide',
    },

    showProps: {
      borderTopWidth: 'show',
      borderBottomWidth: 'show',
      paddingTop: 'show',
      paddingBottom: 'show',
      height: 'show',
    },

    _create: function () {
      var options = this.options

      this.prevShow = this.prevHide = $()
      this._addClass('ui-accordion', 'ui-widget ui-helper-reset')
      this.element.attr('role', 'tablist')

      // Don't allow collapsible: false and active: false / null
      if (
        !options.collapsible &&
        (options.active === false || options.active == null)
      ) {
        options.active = 0
      }

      this._processPanels()

      // handle negative values
      if (options.active < 0) {
        options.active += this.headers.length
      }
      this._refresh()
    },

    _getCreateEventData: function () {
      return {
        header: this.active,
        panel: !this.active.length ? $() : this.active.next(),
      }
    },

    _createIcons: function () {
      var icon,
        children,
        icons = this.options.icons

      if (icons) {
        icon = $('<span>')
        this._addClass(
          icon,
          'ui-accordion-header-icon',
          'ui-icon ' + icons.header
        )
        icon.prependTo(this.headers)
        children = this.active.children('.ui-accordion-header-icon')
        this._removeClass(children, icons.header)
          ._addClass(children, null, icons.activeHeader)
          ._addClass(this.headers, 'ui-accordion-icons')
      }
    },

    _destroyIcons: function () {
      this._removeClass(this.headers, 'ui-accordion-icons')
      this.headers.children('.ui-accordion-header-icon').remove()
    },

    _destroy: function () {
      var contents

      // Clean up main element
      this.element.removeAttr('role')

      // Clean up headers
      this.headers
        .removeAttr('role aria-expanded aria-selected aria-controls tabIndex')
        .removeUniqueId()

      this._destroyIcons()

      // Clean up content panels
      contents = this.headers
        .next()
        .css('display', '')
        .removeAttr('role aria-hidden aria-labelledby')
        .removeUniqueId()

      if (this.options.heightStyle !== 'content') {
        contents.css('height', '')
      }
    },

    _setOption: function (key, value) {
      if (key === 'active') {
        // _activate() will handle invalid values and update this.options
        this._activate(value)
        return
      }

      if (key === 'event') {
        if (this.options.event) {
          this._off(this.headers, this.options.event)
        }
        this._setupEvents(value)
      }

      this._super(key, value)

      // Setting collapsible: false while collapsed; open first panel
      if (key === 'collapsible' && !value && this.options.active === false) {
        this._activate(0)
      }

      if (key === 'icons') {
        this._destroyIcons()
        if (value) {
          this._createIcons()
        }
      }
    },

    _setOptionDisabled: function (value) {
      this._super(value)

      this.element.attr('aria-disabled', value)

      // Support: IE8 Only
      // #5332 / #6059 - opacity doesn't cascade to positioned elements in IE
      // so we need to add the disabled class to the headers and panels
      this._toggleClass(null, 'ui-state-disabled', !!value)
      this._toggleClass(
        this.headers.add(this.headers.next()),
        null,
        'ui-state-disabled',
        !!value
      )
    },

    _keydown: function (event) {
      if (event.altKey || event.ctrlKey) {
        return
      }

      var keyCode = $.ui.keyCode,
        length = this.headers.length,
        currentIndex = this.headers.index(event.target),
        toFocus = false

      switch (event.keyCode) {
        case keyCode.RIGHT:
        case keyCode.DOWN:
          toFocus = this.headers[(currentIndex + 1) % length]
          break
        case keyCode.LEFT:
        case keyCode.UP:
          toFocus = this.headers[(currentIndex - 1 + length) % length]
          break
        case keyCode.SPACE:
        case keyCode.ENTER:
          this._eventHandler(event)
          break
        case keyCode.HOME:
          toFocus = this.headers[0]
          break
        case keyCode.END:
          toFocus = this.headers[length - 1]
          break
      }

      if (toFocus) {
        $(event.target).attr('tabIndex', -1)
        $(toFocus).attr('tabIndex', 0)
        $(toFocus).trigger('focus')
        event.preventDefault()
      }
    },

    _panelKeyDown: function (event) {
      if (event.keyCode === $.ui.keyCode.UP && event.ctrlKey) {
        $(event.currentTarget).prev().trigger('focus')
      }
    },

    refresh: function () {
      var options = this.options
      this._processPanels()

      // Was collapsed or no panel
      if (
        (options.active === false && options.collapsible === true) ||
        !this.headers.length
      ) {
        options.active = false
        this.active = $()

        // active false only when collapsible is true
      } else if (options.active === false) {
        this._activate(0)

        // was active, but active panel is gone
      } else if (
        this.active.length &&
        !$.contains(this.element[0], this.active[0])
      ) {
        // all remaining panel are disabled
        if (
          this.headers.length === this.headers.find('.ui-state-disabled').length
        ) {
          options.active = false
          this.active = $()

          // activate previous panel
        } else {
          this._activate(Math.max(0, options.active - 1))
        }

        // was active, active panel still exists
      } else {
        // make sure active index is correct
        options.active = this.headers.index(this.active)
      }

      this._destroyIcons()

      this._refresh()
    },

    _processPanels: function () {
      var prevHeaders = this.headers,
        prevPanels = this.panels

      this.headers = this.element.find(this.options.header)
      this._addClass(
        this.headers,
        'ui-accordion-header ui-accordion-header-collapsed',
        'ui-state-default'
      )

      this.panels = this.headers
        .next()
        .filter(':not(.ui-accordion-content-active)')
        .hide()
      this._addClass(
        this.panels,
        'ui-accordion-content',
        'ui-helper-reset ui-widget-content'
      )

      // Avoid memory leaks (#10056)
      if (prevPanels) {
        this._off(prevHeaders.not(this.headers))
        this._off(prevPanels.not(this.panels))
      }
    },

    _refresh: function () {
      var maxHeight,
        options = this.options,
        heightStyle = options.heightStyle,
        parent = this.element.parent()

      this.active = this._findActive(options.active)
      this._addClass(
        this.active,
        'ui-accordion-header-active',
        'ui-state-active'
      )._removeClass(this.active, 'ui-accordion-header-collapsed')
      this._addClass(this.active.next(), 'ui-accordion-content-active')
      this.active.next().show()

      this.headers
        .attr('role', 'tab')
        .each(function () {
          var header = $(this),
            headerId = header.uniqueId().attr('id'),
            panel = header.next(),
            panelId = panel.uniqueId().attr('id')
          header.attr('aria-controls', panelId)
          panel.attr('aria-labelledby', headerId)
        })
        .next()
        .attr('role', 'tabpanel')

      this.headers
        .not(this.active)
        .attr({
          'aria-selected': 'false',
          'aria-expanded': 'false',
          tabIndex: -1,
        })
        .next()
        .attr({
          'aria-hidden': 'true',
        })
        .hide()

      // Make sure at least one header is in the tab order
      if (!this.active.length) {
        this.headers.eq(0).attr('tabIndex', 0)
      } else {
        this.active
          .attr({
            'aria-selected': 'true',
            'aria-expanded': 'true',
            tabIndex: 0,
          })
          .next()
          .attr({
            'aria-hidden': 'false',
          })
      }

      this._createIcons()

      this._setupEvents(options.event)

      if (heightStyle === 'fill') {
        maxHeight = parent.height()
        this.element.siblings(':visible').each(function () {
          var elem = $(this),
            position = elem.css('position')

          if (position === 'absolute' || position === 'fixed') {
            return
          }
          maxHeight -= elem.outerHeight(true)
        })

        this.headers.each(function () {
          maxHeight -= $(this).outerHeight(true)
        })

        this.headers
          .next()
          .each(function () {
            $(this).height(
              Math.max(0, maxHeight - $(this).innerHeight() + $(this).height())
            )
          })
          .css('overflow', 'auto')
      } else if (heightStyle === 'auto') {
        maxHeight = 0
        this.headers
          .next()
          .each(function () {
            var isVisible = $(this).is(':visible')
            if (!isVisible) {
              $(this).show()
            }
            maxHeight = Math.max(maxHeight, $(this).css('height', '').height())
            if (!isVisible) {
              $(this).hide()
            }
          })
          .height(maxHeight)
      }
    },

    _activate: function (index) {
      var active = this._findActive(index)[0]

      // Trying to activate the already active panel
      if (active === this.active[0]) {
        return
      }

      // Trying to collapse, simulate a click on the currently active header
      active = active || this.active[0]

      this._eventHandler({
        target: active,
        currentTarget: active,
        preventDefault: $.noop,
      })
    },

    _findActive: function (selector) {
      return typeof selector === 'number' ? this.headers.eq(selector) : $()
    },

    _setupEvents: function (event) {
      var events = {
        keydown: '_keydown',
      }
      if (event) {
        $.each(event.split(' '), function (index, eventName) {
          events[eventName] = '_eventHandler'
        })
      }

      this._off(this.headers.add(this.headers.next()))
      this._on(this.headers, events)
      this._on(this.headers.next(), { keydown: '_panelKeyDown' })
      this._hoverable(this.headers)
      this._focusable(this.headers)
    },

    _eventHandler: function (event) {
      var activeChildren,
        clickedChildren,
        options = this.options,
        active = this.active,
        clicked = $(event.currentTarget),
        clickedIsActive = clicked[0] === active[0],
        collapsing = clickedIsActive && options.collapsible,
        toShow = collapsing ? $() : clicked.next(),
        toHide = active.next(),
        eventData = {
          oldHeader: active,
          oldPanel: toHide,
          newHeader: collapsing ? $() : clicked,
          newPanel: toShow,
        }

      event.preventDefault()

      if (
        // click on active header, but not collapsible
        (clickedIsActive && !options.collapsible) ||
        // allow canceling activation
        this._trigger('beforeActivate', event, eventData) === false
      ) {
        return
      }

      options.active = collapsing ? false : this.headers.index(clicked)

      // When the call to ._toggle() comes after the class changes
      // it causes a very odd bug in IE 8 (see #6720)
      this.active = clickedIsActive ? $() : clicked
      this._toggle(eventData)

      // Switch classes
      // corner classes on the previously active header stay after the animation
      this._removeClass(active, 'ui-accordion-header-active', 'ui-state-active')
      if (options.icons) {
        activeChildren = active.children('.ui-accordion-header-icon')
        this._removeClass(
          activeChildren,
          null,
          options.icons.activeHeader
        )._addClass(activeChildren, null, options.icons.header)
      }

      if (!clickedIsActive) {
        this._removeClass(clicked, 'ui-accordion-header-collapsed')._addClass(
          clicked,
          'ui-accordion-header-active',
          'ui-state-active'
        )
        if (options.icons) {
          clickedChildren = clicked.children('.ui-accordion-header-icon')
          this._removeClass(
            clickedChildren,
            null,
            options.icons.header
          )._addClass(clickedChildren, null, options.icons.activeHeader)
        }

        this._addClass(clicked.next(), 'ui-accordion-content-active')
      }
    },

    _toggle: function (data) {
      var toShow = data.newPanel,
        toHide = this.prevShow.length ? this.prevShow : data.oldPanel

      // Handle activating a panel during the animation for another activation
      this.prevShow.add(this.prevHide).stop(true, true)
      this.prevShow = toShow
      this.prevHide = toHide

      if (this.options.animate) {
        this._animate(toShow, toHide, data)
      } else {
        toHide.hide()
        toShow.show()
        this._toggleComplete(data)
      }

      toHide.attr({
        'aria-hidden': 'true',
      })
      toHide.prev().attr({
        'aria-selected': 'false',
        'aria-expanded': 'false',
      })

      // if we're switching panels, remove the old header from the tab order
      // if we're opening from collapsed state, remove the previous header from the tab order
      // if we're collapsing, then keep the collapsing header in the tab order
      if (toShow.length && toHide.length) {
        toHide.prev().attr({
          tabIndex: -1,
          'aria-expanded': 'false',
        })
      } else if (toShow.length) {
        this.headers
          .filter(function () {
            return parseInt($(this).attr('tabIndex'), 10) === 0
          })
          .attr('tabIndex', -1)
      }

      toShow.attr('aria-hidden', 'false').prev().attr({
        'aria-selected': 'true',
        'aria-expanded': 'true',
        tabIndex: 0,
      })
    },

    _animate: function (toShow, toHide, data) {
      var total,
        easing,
        duration,
        that = this,
        adjust = 0,
        boxSizing = toShow.css('box-sizing'),
        down =
          toShow.length && (!toHide.length || toShow.index() < toHide.index()),
        animate = this.options.animate || {},
        options = (down && animate.down) || animate,
        complete = function () {
          that._toggleComplete(data)
        }

      if (typeof options === 'number') {
        duration = options
      }
      if (typeof options === 'string') {
        easing = options
      }

      // fall back from options to animation in case of partial down settings
      easing = easing || options.easing || animate.easing
      duration = duration || options.duration || animate.duration

      if (!toHide.length) {
        return toShow.animate(this.showProps, duration, easing, complete)
      }
      if (!toShow.length) {
        return toHide.animate(this.hideProps, duration, easing, complete)
      }

      total = toShow.show().outerHeight()
      toHide.animate(this.hideProps, {
        duration: duration,
        easing: easing,
        step: function (now, fx) {
          fx.now = Math.round(now)
        },
      })
      toShow.hide().animate(this.showProps, {
        duration: duration,
        easing: easing,
        complete: complete,
        step: function (now, fx) {
          fx.now = Math.round(now)
          if (fx.prop !== 'height') {
            if (boxSizing === 'content-box') {
              adjust += fx.now
            }
          } else if (that.options.heightStyle !== 'content') {
            fx.now = Math.round(total - toHide.outerHeight() - adjust)
            adjust = 0
          }
        },
      })
    },

    _toggleComplete: function (data) {
      var toHide = data.oldPanel,
        prev = toHide.prev()

      this._removeClass(toHide, 'ui-accordion-content-active')
      this._removeClass(prev, 'ui-accordion-header-active')._addClass(
        prev,
        'ui-accordion-header-collapsed'
      )

      // Work around for rendering bug in IE (#5421)
      if (toHide.length) {
        toHide.parent()[0].className = toHide.parent()[0].className
      }
      this._trigger('activate', null, data)
    },
  })

  var safeActiveElement = ($.ui.safeActiveElement = function (document) {
    var activeElement

    // Support: IE 9 only
    // IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
    try {
      activeElement = document.activeElement
    } catch (error) {
      activeElement = document.body
    }

    // Support: IE 9 - 11 only
    // IE may return null instead of an element
    // Interestingly, this only seems to occur when NOT in an iframe
    if (!activeElement) {
      activeElement = document.body
    }

    // Support: IE 11 only
    // IE11 returns a seemingly empty object in some cases when accessing
    // document.activeElement from an <iframe>
    if (!activeElement.nodeName) {
      activeElement = document.body
    }

    return activeElement
  })

  /*!
   * jQuery UI Menu 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Menu
  //>>group: Widgets
  //>>description: Creates nestable menus.
  //>>docs: http://api.jqueryui.com/menu/
  //>>demos: http://jqueryui.com/menu/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/menu.css
  //>>css.theme: ../../themes/base/theme.css

  var widgetsMenu = $.widget('ui.menu', {
    version: '1.12.1',
    defaultElement: '<ul>',
    delay: 300,
    options: {
      icons: {
        submenu: 'ui-icon-caret-1-e',
      },
      items: '> *',
      menus: 'ul',
      position: {
        my: 'left top',
        at: 'right top',
      },
      role: 'menu',

      // Callbacks
      blur: null,
      focus: null,
      select: null,
    },

    _create: function () {
      this.activeMenu = this.element

      // Flag used to prevent firing of the click handler
      // as the event bubbles up through nested menus
      this.mouseHandled = false
      this.element.uniqueId().attr({
        role: this.options.role,
        tabIndex: 0,
      })

      this._addClass('ui-menu', 'ui-widget ui-widget-content')
      this._on({
        // Prevent focus from sticking to links inside menu after clicking
        // them (focus should always stay on UL during navigation).
        'mousedown .ui-menu-item': function (event) {
          event.preventDefault()
        },
        'click .ui-menu-item': function (event) {
          var target = $(event.target)
          var active = $($.ui.safeActiveElement(this.document[0]))
          if (!this.mouseHandled && target.not('.ui-state-disabled').length) {
            this.select(event)

            // Only set the mouseHandled flag if the event will bubble, see #9469.
            if (!event.isPropagationStopped()) {
              this.mouseHandled = true
            }

            // Open submenu on click
            if (target.has('.ui-menu').length) {
              this.expand(event)
            } else if (
              !this.element.is(':focus') &&
              active.closest('.ui-menu').length
            ) {
              // Redirect focus to the menu
              this.element.trigger('focus', [true])

              // If the active item is on the top level, let it stay active.
              // Otherwise, blur the active item since it is no longer visible.
              if (this.active && this.active.parents('.ui-menu').length === 1) {
                clearTimeout(this.timer)
              }
            }
          }
        },
        'mouseenter .ui-menu-item': function (event) {
          // Ignore mouse events while typeahead is active, see #10458.
          // Prevents focusing the wrong item when typeahead causes a scroll while the mouse
          // is over an item in the menu
          if (this.previousFilter) {
            return
          }

          var actualTarget = $(event.target).closest('.ui-menu-item'),
            target = $(event.currentTarget)

          // Ignore bubbled events on parent items, see #11641
          if (actualTarget[0] !== target[0]) {
            return
          }

          // Remove ui-state-active class from siblings of the newly focused menu item
          // to avoid a jump caused by adjacent elements both having a class with a border
          this._removeClass(
            target.siblings().children('.ui-state-active'),
            null,
            'ui-state-active'
          )
          this.focus(event, target)
        },
        mouseleave: 'collapseAll',
        'mouseleave .ui-menu': 'collapseAll',
        focus: function (event, keepActiveItem) {
          // If there's already an active item, keep it active
          // If not, activate the first item
          var item = this.active || this.element.find(this.options.items).eq(0)

          if (!keepActiveItem) {
            this.focus(event, item)
          }
        },
        blur: function (event) {
          this._delay(function () {
            var notContained = !$.contains(
              this.element[0],
              $.ui.safeActiveElement(this.document[0])
            )
            if (notContained) {
              this.collapseAll(event)
            }
          })
        },
        keydown: '_keydown',
      })

      this.refresh()

      // Clicks outside of a menu collapse any open menus
      this._on(this.document, {
        click: function (event) {
          if (this._closeOnDocumentClick(event)) {
            this.collapseAll(event)
          }

          // Reset the mouseHandled flag
          this.mouseHandled = false
        },
      })
    },

    _destroy: function () {
      var items = this.element
          .find('.ui-menu-item')
          .removeAttr('role aria-disabled'),
        submenus = items
          .children('.ui-menu-item-wrapper')
          .removeUniqueId()
          .removeAttr('tabIndex role aria-haspopup')

      // Destroy (sub)menus
      this.element
        .removeAttr('aria-activedescendant')
        .find('.ui-menu')
        .addBack()
        .removeAttr(
          'role aria-labelledby aria-expanded aria-hidden aria-disabled ' +
            'tabIndex'
        )
        .removeUniqueId()
        .show()

      submenus.children().each(function () {
        var elem = $(this)
        if (elem.data('ui-menu-submenu-caret')) {
          elem.remove()
        }
      })
    },

    _keydown: function (event) {
      var match,
        prev,
        character,
        skip,
        preventDefault = true

      switch (event.keyCode) {
        case $.ui.keyCode.PAGE_UP:
          this.previousPage(event)
          break
        case $.ui.keyCode.PAGE_DOWN:
          this.nextPage(event)
          break
        case $.ui.keyCode.HOME:
          this._move('first', 'first', event)
          break
        case $.ui.keyCode.END:
          this._move('last', 'last', event)
          break
        case $.ui.keyCode.UP:
          this.previous(event)
          break
        case $.ui.keyCode.DOWN:
          this.next(event)
          break
        case $.ui.keyCode.LEFT:
          this.collapse(event)
          break
        case $.ui.keyCode.RIGHT:
          if (this.active && !this.active.is('.ui-state-disabled')) {
            this.expand(event)
          }
          break
        case $.ui.keyCode.ENTER:
        case $.ui.keyCode.SPACE:
          this._activate(event)
          break
        case $.ui.keyCode.ESCAPE:
          this.collapse(event)
          break
        default:
          preventDefault = false
          prev = this.previousFilter || ''
          skip = false

          // Support number pad values
          character =
            event.keyCode >= 96 && event.keyCode <= 105
              ? (event.keyCode - 96).toString()
              : String.fromCharCode(event.keyCode)

          clearTimeout(this.filterTimer)

          if (character === prev) {
            skip = true
          } else {
            character = prev + character
          }

          match = this._filterMenuItems(character)
          match =
            skip && match.index(this.active.next()) !== -1
              ? this.active.nextAll('.ui-menu-item')
              : match

          // If no matches on the current filter, reset to the last character pressed
          // to move down the menu to the first item that starts with that character
          if (!match.length) {
            character = String.fromCharCode(event.keyCode)
            match = this._filterMenuItems(character)
          }

          if (match.length) {
            this.focus(event, match)
            this.previousFilter = character
            this.filterTimer = this._delay(function () {
              delete this.previousFilter
            }, 1000)
          } else {
            delete this.previousFilter
          }
      }

      if (preventDefault) {
        event.preventDefault()
      }
    },

    _activate: function (event) {
      if (this.active && !this.active.is('.ui-state-disabled')) {
        if (this.active.children("[aria-haspopup='true']").length) {
          this.expand(event)
        } else {
          this.select(event)
        }
      }
    },

    refresh: function () {
      var menus,
        items,
        newSubmenus,
        newItems,
        newWrappers,
        that = this,
        icon = this.options.icons.submenu,
        submenus = this.element.find(this.options.menus)

      this._toggleClass(
        'ui-menu-icons',
        null,
        !!this.element.find('.ui-icon').length
      )

      // Initialize nested menus
      newSubmenus = submenus
        .filter(':not(.ui-menu)')
        .hide()
        .attr({
          role: this.options.role,
          'aria-hidden': 'true',
          'aria-expanded': 'false',
        })
        .each(function () {
          var menu = $(this),
            item = menu.prev(),
            submenuCaret = $('<span>').data('ui-menu-submenu-caret', true)

          that._addClass(submenuCaret, 'ui-menu-icon', 'ui-icon ' + icon)
          item.attr('aria-haspopup', 'true').prepend(submenuCaret)
          menu.attr('aria-labelledby', item.attr('id'))
        })

      this._addClass(
        newSubmenus,
        'ui-menu',
        'ui-widget ui-widget-content ui-front'
      )

      menus = submenus.add(this.element)
      items = menus.find(this.options.items)

      // Initialize menu-items containing spaces and/or dashes only as dividers
      items.not('.ui-menu-item').each(function () {
        var item = $(this)
        if (that._isDivider(item)) {
          that._addClass(item, 'ui-menu-divider', 'ui-widget-content')
        }
      })

      // Don't refresh list items that are already adapted
      newItems = items.not('.ui-menu-item, .ui-menu-divider')
      newWrappers = newItems.children().not('.ui-menu').uniqueId().attr({
        tabIndex: -1,
        role: this._itemRole(),
      })
      this._addClass(newItems, 'ui-menu-item')._addClass(
        newWrappers,
        'ui-menu-item-wrapper'
      )

      // Add aria-disabled attribute to any disabled menu item
      items.filter('.ui-state-disabled').attr('aria-disabled', 'true')

      // If the active item has been removed, blur the menu
      if (this.active && !$.contains(this.element[0], this.active[0])) {
        this.blur()
      }
    },

    _itemRole: function () {
      return {
        menu: 'menuitem',
        listbox: 'option',
      }[this.options.role]
    },

    _setOption: function (key, value) {
      if (key === 'icons') {
        var icons = this.element.find('.ui-menu-icon')
        this._removeClass(icons, null, this.options.icons.submenu)._addClass(
          icons,
          null,
          value.submenu
        )
      }
      this._super(key, value)
    },

    _setOptionDisabled: function (value) {
      this._super(value)

      this.element.attr('aria-disabled', String(value))
      this._toggleClass(null, 'ui-state-disabled', !!value)
    },

    focus: function (event, item) {
      var nested, focused, activeParent
      this.blur(event, event && event.type === 'focus')

      this._scrollIntoView(item)

      this.active = item.first()

      focused = this.active.children('.ui-menu-item-wrapper')
      this._addClass(focused, null, 'ui-state-active')

      // Only update aria-activedescendant if there's a role
      // otherwise we assume focus is managed elsewhere
      if (this.options.role) {
        this.element.attr('aria-activedescendant', focused.attr('id'))
      }

      // Highlight active parent menu item, if any
      activeParent = this.active
        .parent()
        .closest('.ui-menu-item')
        .children('.ui-menu-item-wrapper')
      this._addClass(activeParent, null, 'ui-state-active')

      if (event && event.type === 'keydown') {
        this._close()
      } else {
        this.timer = this._delay(function () {
          this._close()
        }, this.delay)
      }

      nested = item.children('.ui-menu')
      if (nested.length && event && /^mouse/.test(event.type)) {
        this._startOpening(nested)
      }
      this.activeMenu = item.parent()

      this._trigger('focus', event, { item: item })
    },

    _scrollIntoView: function (item) {
      var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight
      if (this._hasScroll()) {
        borderTop = parseFloat($.css(this.activeMenu[0], 'borderTopWidth')) || 0
        paddingTop = parseFloat($.css(this.activeMenu[0], 'paddingTop')) || 0
        offset =
          item.offset().top -
          this.activeMenu.offset().top -
          borderTop -
          paddingTop
        scroll = this.activeMenu.scrollTop()
        elementHeight = this.activeMenu.height()
        itemHeight = item.outerHeight()

        if (offset < 0) {
          this.activeMenu.scrollTop(scroll + offset)
        } else if (offset + itemHeight > elementHeight) {
          this.activeMenu.scrollTop(
            scroll + offset - elementHeight + itemHeight
          )
        }
      }
    },

    blur: function (event, fromFocus) {
      if (!fromFocus) {
        clearTimeout(this.timer)
      }

      if (!this.active) {
        return
      }

      this._removeClass(
        this.active.children('.ui-menu-item-wrapper'),
        null,
        'ui-state-active'
      )

      this._trigger('blur', event, { item: this.active })
      this.active = null
    },

    _startOpening: function (submenu) {
      clearTimeout(this.timer)

      // Don't open if already open fixes a Firefox bug that caused a .5 pixel
      // shift in the submenu position when mousing over the caret icon
      if (submenu.attr('aria-hidden') !== 'true') {
        return
      }

      this.timer = this._delay(function () {
        this._close()
        this._open(submenu)
      }, this.delay)
    },

    _open: function (submenu) {
      var position = $.extend(
        {
          of: this.active,
        },
        this.options.position
      )

      clearTimeout(this.timer)
      this.element
        .find('.ui-menu')
        .not(submenu.parents('.ui-menu'))
        .hide()
        .attr('aria-hidden', 'true')

      submenu
        .show()
        .removeAttr('aria-hidden')
        .attr('aria-expanded', 'true')
        .position(position)
    },

    collapseAll: function (event, all) {
      clearTimeout(this.timer)
      this.timer = this._delay(function () {
        // If we were passed an event, look for the submenu that contains the event
        var currentMenu = all
          ? this.element
          : $(event && event.target).closest(this.element.find('.ui-menu'))

        // If we found no valid submenu ancestor, use the main menu to close all
        // sub menus anyway
        if (!currentMenu.length) {
          currentMenu = this.element
        }

        this._close(currentMenu)

        this.blur(event)

        // Work around active item staying active after menu is blurred
        this._removeClass(
          currentMenu.find('.ui-state-active'),
          null,
          'ui-state-active'
        )

        this.activeMenu = currentMenu
      }, this.delay)
    },

    // With no arguments, closes the currently active menu - if nothing is active
    // it closes all menus.  If passed an argument, it will search for menus BELOW
    _close: function (startMenu) {
      if (!startMenu) {
        startMenu = this.active ? this.active.parent() : this.element
      }

      startMenu
        .find('.ui-menu')
        .hide()
        .attr('aria-hidden', 'true')
        .attr('aria-expanded', 'false')
    },

    _closeOnDocumentClick: function (event) {
      return !$(event.target).closest('.ui-menu').length
    },

    _isDivider: function (item) {
      // Match hyphen, em dash, en dash
      return !/[^\-\u2014\u2013\s]/.test(item.text())
    },

    collapse: function (event) {
      var newItem =
        this.active &&
        this.active.parent().closest('.ui-menu-item', this.element)
      if (newItem && newItem.length) {
        this._close()
        this.focus(event, newItem)
      }
    },

    expand: function (event) {
      var newItem =
        this.active &&
        this.active.children('.ui-menu ').find(this.options.items).first()

      if (newItem && newItem.length) {
        this._open(newItem.parent())

        // Delay so Firefox will not hide activedescendant change in expanding submenu from AT
        this._delay(function () {
          this.focus(event, newItem)
        })
      }
    },

    next: function (event) {
      this._move('next', 'first', event)
    },

    previous: function (event) {
      this._move('prev', 'last', event)
    },

    isFirstItem: function () {
      return this.active && !this.active.prevAll('.ui-menu-item').length
    },

    isLastItem: function () {
      return this.active && !this.active.nextAll('.ui-menu-item').length
    },

    _move: function (direction, filter, event) {
      var next
      if (this.active) {
        if (direction === 'first' || direction === 'last') {
          next =
            this.active[direction === 'first' ? 'prevAll' : 'nextAll'](
              '.ui-menu-item'
            ).eq(-1)
        } else {
          next = this.active[direction + 'All']('.ui-menu-item').eq(0)
        }
      }
      if (!next || !next.length || !this.active) {
        next = this.activeMenu.find(this.options.items)[filter]()
      }

      this.focus(event, next)
    },

    nextPage: function (event) {
      var item, base, height

      if (!this.active) {
        this.next(event)
        return
      }
      if (this.isLastItem()) {
        return
      }
      if (this._hasScroll()) {
        base = this.active.offset().top
        height = this.element.height()
        this.active.nextAll('.ui-menu-item').each(function () {
          item = $(this)
          return item.offset().top - base - height < 0
        })

        this.focus(event, item)
      } else {
        this.focus(
          event,
          this.activeMenu
            .find(this.options.items)
            [!this.active ? 'first' : 'last']()
        )
      }
    },

    previousPage: function (event) {
      var item, base, height
      if (!this.active) {
        this.next(event)
        return
      }
      if (this.isFirstItem()) {
        return
      }
      if (this._hasScroll()) {
        base = this.active.offset().top
        height = this.element.height()
        this.active.prevAll('.ui-menu-item').each(function () {
          item = $(this)
          return item.offset().top - base + height > 0
        })

        this.focus(event, item)
      } else {
        this.focus(event, this.activeMenu.find(this.options.items).first())
      }
    },

    _hasScroll: function () {
      return this.element.outerHeight() < this.element.prop('scrollHeight')
    },

    select: function (event) {
      // TODO: It should never be possible to not have an active item at this
      // point, but the tests don't trigger mouseenter before click.
      this.active = this.active || $(event.target).closest('.ui-menu-item')
      var ui = { item: this.active }
      if (!this.active.has('.ui-menu').length) {
        this.collapseAll(event, true)
      }
      this._trigger('select', event, ui)
    },

    _filterMenuItems: function (character) {
      var escapedCharacter = character.replace(
          /[\-\[\]{}()*+?.,\\\^$|#\s]/g,
          '\\$&'
        ),
        regex = new RegExp('^' + escapedCharacter, 'i')

      return (
        this.activeMenu
          .find(this.options.items)

          // Only match on items, not dividers or other content (#10571)
          .filter('.ui-menu-item')
          .filter(function () {
            return regex.test(
              $.trim($(this).children('.ui-menu-item-wrapper').text())
            )
          })
      )
    },
  })

  /*!
   * jQuery UI Autocomplete 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Autocomplete
  //>>group: Widgets
  //>>description: Lists suggested words as the user is typing.
  //>>docs: http://api.jqueryui.com/autocomplete/
  //>>demos: http://jqueryui.com/autocomplete/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/autocomplete.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.autocomplete', {
    version: '1.12.1',
    defaultElement: '<input>',
    options: {
      appendTo: null,
      autoFocus: false,
      delay: 300,
      minLength: 1,
      position: {
        my: 'left top',
        at: 'left bottom',
        collision: 'none',
      },
      source: null,

      // Callbacks
      change: null,
      close: null,
      focus: null,
      open: null,
      response: null,
      search: null,
      select: null,
    },

    requestIndex: 0,
    pending: 0,

    _create: function () {
      // Some browsers only repeat keydown events, not keypress events,
      // so we use the suppressKeyPress flag to determine if we've already
      // handled the keydown event. #7269
      // Unfortunately the code for & in keypress is the same as the up arrow,
      // so we use the suppressKeyPressRepeat flag to avoid handling keypress
      // events when we know the keydown event was used to modify the
      // search term. #7799
      var suppressKeyPress,
        suppressKeyPressRepeat,
        suppressInput,
        nodeName = this.element[0].nodeName.toLowerCase(),
        isTextarea = nodeName === 'textarea',
        isInput = nodeName === 'input'

      // Textareas are always multi-line
      // Inputs are always single-line, even if inside a contentEditable element
      // IE also treats inputs as contentEditable
      // All other element types are determined by whether or not they're contentEditable
      this.isMultiLine =
        isTextarea || (!isInput && this._isContentEditable(this.element))

      this.valueMethod = this.element[isTextarea || isInput ? 'val' : 'text']
      this.isNewMenu = true

      this._addClass('ui-autocomplete-input')
      this.element.attr('autocomplete', 'off')

      this._on(this.element, {
        keydown: function (event) {
          if (this.element.prop('readOnly')) {
            suppressKeyPress = true
            suppressInput = true
            suppressKeyPressRepeat = true
            return
          }

          suppressKeyPress = false
          suppressInput = false
          suppressKeyPressRepeat = false
          var keyCode = $.ui.keyCode
          switch (event.keyCode) {
            case keyCode.PAGE_UP:
              suppressKeyPress = true
              this._move('previousPage', event)
              break
            case keyCode.PAGE_DOWN:
              suppressKeyPress = true
              this._move('nextPage', event)
              break
            case keyCode.UP:
              suppressKeyPress = true
              this._keyEvent('previous', event)
              break
            case keyCode.DOWN:
              suppressKeyPress = true
              this._keyEvent('next', event)
              break
            case keyCode.ENTER:
              // when menu is open and has focus
              if (this.menu.active) {
                // #6055 - Opera still allows the keypress to occur
                // which causes forms to submit
                suppressKeyPress = true
                event.preventDefault()
                this.menu.select(event)
              }
              break
            case keyCode.TAB:
              if (this.menu.active) {
                this.menu.select(event)
              }
              break
            case keyCode.ESCAPE:
              if (this.menu.element.is(':visible')) {
                if (!this.isMultiLine) {
                  this._value(this.term)
                }
                this.close(event)

                // Different browsers have different default behavior for escape
                // Single press can mean undo or clear
                // Double press in IE means clear the whole form
                event.preventDefault()
              }
              break
            default:
              suppressKeyPressRepeat = true

              // search timeout should be triggered before the input value is changed
              this._searchTimeout(event)
              break
          }
        },
        keypress: function (event) {
          if (suppressKeyPress) {
            suppressKeyPress = false
            if (!this.isMultiLine || this.menu.element.is(':visible')) {
              event.preventDefault()
            }
            return
          }
          if (suppressKeyPressRepeat) {
            return
          }

          // Replicate some key handlers to allow them to repeat in Firefox and Opera
          var keyCode = $.ui.keyCode
          switch (event.keyCode) {
            case keyCode.PAGE_UP:
              this._move('previousPage', event)
              break
            case keyCode.PAGE_DOWN:
              this._move('nextPage', event)
              break
            case keyCode.UP:
              this._keyEvent('previous', event)
              break
            case keyCode.DOWN:
              this._keyEvent('next', event)
              break
          }
        },
        input: function (event) {
          if (suppressInput) {
            suppressInput = false
            event.preventDefault()
            return
          }
          this._searchTimeout(event)
        },
        focus: function () {
          this.selectedItem = null
          this.previous = this._value()
        },
        blur: function (event) {
          if (this.cancelBlur) {
            delete this.cancelBlur
            return
          }

          clearTimeout(this.searching)
          this.close(event)
          this._change(event)
        },
      })

      this._initSource()
      this.menu = $('<ul>')
        .appendTo(this._appendTo())
        .menu({
          // disable ARIA support, the live region takes care of that
          role: null,
        })
        .hide()
        .menu('instance')

      this._addClass(this.menu.element, 'ui-autocomplete', 'ui-front')
      this._on(this.menu.element, {
        mousedown: function (event) {
          // prevent moving focus out of the text field
          event.preventDefault()

          // IE doesn't prevent moving focus even with event.preventDefault()
          // so we set a flag to know when we should ignore the blur event
          this.cancelBlur = true
          this._delay(function () {
            delete this.cancelBlur

            // Support: IE 8 only
            // Right clicking a menu item or selecting text from the menu items will
            // result in focus moving out of the input. However, we've already received
            // and ignored the blur event because of the cancelBlur flag set above. So
            // we restore focus to ensure that the menu closes properly based on the user's
            // next actions.
            if (this.element[0] !== $.ui.safeActiveElement(this.document[0])) {
              this.element.trigger('focus')
            }
          })
        },
        menufocus: function (event, ui) {
          var label, item

          // support: Firefox
          // Prevent accidental activation of menu items in Firefox (#7024 #9118)
          if (this.isNewMenu) {
            this.isNewMenu = false
            if (
              event.originalEvent &&
              /^mouse/.test(event.originalEvent.type)
            ) {
              this.menu.blur()

              this.document.one('mousemove', function () {
                $(event.target).trigger(event.originalEvent)
              })

              return
            }
          }

          item = ui.item.data('ui-autocomplete-item')
          if (false !== this._trigger('focus', event, { item: item })) {
            // use value to match what will end up in the input, if it was a key event
            if (event.originalEvent && /^key/.test(event.originalEvent.type)) {
              this._value(item.value)
            }
          }

          // Announce the value in the liveRegion
          label = ui.item.attr('aria-label') || item.value
          if (label && $.trim(label).length) {
            this.liveRegion.children().hide()
            $('<div>').text(label).appendTo(this.liveRegion)
          }
        },
        menuselect: function (event, ui) {
          var item = ui.item.data('ui-autocomplete-item'),
            previous = this.previous

          // Only trigger when focus was lost (click on menu)
          if (this.element[0] !== $.ui.safeActiveElement(this.document[0])) {
            this.element.trigger('focus')
            this.previous = previous

            // #6109 - IE triggers two focus events and the second
            // is asynchronous, so we need to reset the previous
            // term synchronously and asynchronously :-(
            this._delay(function () {
              this.previous = previous
              this.selectedItem = item
            })
          }

          if (false !== this._trigger('select', event, { item: item })) {
            this._value(item.value)
          }

          // reset the term after the select event
          // this allows custom select handling to work properly
          this.term = this._value()

          this.close(event)
          this.selectedItem = item
        },
      })

      this.liveRegion = $('<div>', {
        role: 'status',
        'aria-live': 'assertive',
        'aria-relevant': 'additions',
      }).appendTo(this.document[0].body)

      this._addClass(this.liveRegion, null, 'ui-helper-hidden-accessible')

      // Turning off autocomplete prevents the browser from remembering the
      // value when navigating through history, so we re-enable autocomplete
      // if the page is unloaded before the widget is destroyed. #7790
      this._on(this.window, {
        beforeunload: function () {
          this.element.removeAttr('autocomplete')
        },
      })
    },

    _destroy: function () {
      clearTimeout(this.searching)
      this.element.removeAttr('autocomplete')
      this.menu.element.remove()
      this.liveRegion.remove()
    },

    _setOption: function (key, value) {
      this._super(key, value)
      if (key === 'source') {
        this._initSource()
      }
      if (key === 'appendTo') {
        this.menu.element.appendTo(this._appendTo())
      }
      if (key === 'disabled' && value && this.xhr) {
        this.xhr.abort()
      }
    },

    _isEventTargetInWidget: function (event) {
      var menuElement = this.menu.element[0]

      return (
        event.target === this.element[0] ||
        event.target === menuElement ||
        $.contains(menuElement, event.target)
      )
    },

    _closeOnClickOutside: function (event) {
      if (!this._isEventTargetInWidget(event)) {
        this.close()
      }
    },

    _appendTo: function () {
      var element = this.options.appendTo

      if (element) {
        element =
          element.jquery || element.nodeType
            ? $(element)
            : this.document.find(element).eq(0)
      }

      if (!element || !element[0]) {
        element = this.element.closest('.ui-front, dialog')
      }

      if (!element.length) {
        element = this.document[0].body
      }

      return element
    },

    _initSource: function () {
      var array,
        url,
        that = this
      if ($.isArray(this.options.source)) {
        array = this.options.source
        this.source = function (request, response) {
          response($.ui.autocomplete.filter(array, request.term))
        }
      } else if (typeof this.options.source === 'string') {
        url = this.options.source
        this.source = function (request, response) {
          if (that.xhr) {
            that.xhr.abort()
          }
          that.xhr = $.ajax({
            url: url,
            data: request,
            dataType: 'json',
            success: function (data) {
              response(data)
            },
            error: function () {
              response([])
            },
          })
        }
      } else {
        this.source = this.options.source
      }
    },

    _searchTimeout: function (event) {
      clearTimeout(this.searching)
      this.searching = this._delay(function () {
        // Search if the value has changed, or if the user retypes the same value (see #7434)
        var equalValues = this.term === this._value(),
          menuVisible = this.menu.element.is(':visible'),
          modifierKey =
            event.altKey || event.ctrlKey || event.metaKey || event.shiftKey

        if (!equalValues || (equalValues && !menuVisible && !modifierKey)) {
          this.selectedItem = null
          this.search(null, event)
        }
      }, this.options.delay)
    },

    search: function (value, event) {
      value = value != null ? value : this._value()

      // Always save the actual value, not the one passed as an argument
      this.term = this._value()

      if (value.length < this.options.minLength) {
        return this.close(event)
      }

      if (this._trigger('search', event) === false) {
        return
      }

      return this._search(value)
    },

    _search: function (value) {
      this.pending++
      this._addClass('ui-autocomplete-loading')
      this.cancelSearch = false

      this.source({ term: value }, this._response())
    },

    _response: function () {
      var index = ++this.requestIndex

      return $.proxy(function (content) {
        if (index === this.requestIndex) {
          this.__response(content)
        }

        this.pending--
        if (!this.pending) {
          this._removeClass('ui-autocomplete-loading')
        }
      }, this)
    },

    __response: function (content) {
      if (content) {
        content = this._normalize(content)
      }
      this._trigger('response', null, { content: content })
      if (
        !this.options.disabled &&
        content &&
        content.length &&
        !this.cancelSearch
      ) {
        this._suggest(content)
        this._trigger('open')
      } else {
        // use ._close() instead of .close() so we don't cancel future searches
        this._close()
      }
    },

    close: function (event) {
      this.cancelSearch = true
      this._close(event)
    },

    _close: function (event) {
      // Remove the handler that closes the menu on outside clicks
      this._off(this.document, 'mousedown')

      if (this.menu.element.is(':visible')) {
        this.menu.element.hide()
        this.menu.blur()
        this.isNewMenu = true
        this._trigger('close', event)
      }
    },

    _change: function (event) {
      if (this.previous !== this._value()) {
        this._trigger('change', event, { item: this.selectedItem })
      }
    },

    _normalize: function (items) {
      // assume all items have the right format when the first item is complete
      if (items.length && items[0].label && items[0].value) {
        return items
      }
      return $.map(items, function (item) {
        if (typeof item === 'string') {
          return {
            label: item,
            value: item,
          }
        }
        return $.extend({}, item, {
          label: item.label || item.value,
          value: item.value || item.label,
        })
      })
    },

    _suggest: function (items) {
      var ul = this.menu.element.empty()
      this._renderMenu(ul, items)
      this.isNewMenu = true
      this.menu.refresh()

      // Size and position menu
      ul.show()
      this._resizeMenu()
      ul.position(
        $.extend(
          {
            of: this.element,
          },
          this.options.position
        )
      )

      if (this.options.autoFocus) {
        this.menu.next()
      }

      // Listen for interactions outside of the widget (#6642)
      this._on(this.document, {
        mousedown: '_closeOnClickOutside',
      })
    },

    _resizeMenu: function () {
      var ul = this.menu.element
      ul.outerWidth(
        Math.max(
          // Firefox wraps long text (possibly a rounding bug)
          // so we add 1px to avoid the wrapping (#7513)
          ul.width('').outerWidth() + 1,
          this.element.outerWidth()
        )
      )
    },

    _renderMenu: function (ul, items) {
      var that = this
      $.each(items, function (index, item) {
        that._renderItemData(ul, item)
      })
    },

    _renderItemData: function (ul, item) {
      return this._renderItem(ul, item).data('ui-autocomplete-item', item)
    },

    _renderItem: function (ul, item) {
      return $('<li>').append($('<div>').text(item.label)).appendTo(ul)
    },

    _move: function (direction, event) {
      if (!this.menu.element.is(':visible')) {
        this.search(null, event)
        return
      }
      if (
        (this.menu.isFirstItem() && /^previous/.test(direction)) ||
        (this.menu.isLastItem() && /^next/.test(direction))
      ) {
        if (!this.isMultiLine) {
          this._value(this.term)
        }

        this.menu.blur()
        return
      }
      this.menu[direction](event)
    },

    widget: function () {
      return this.menu.element
    },

    _value: function () {
      return this.valueMethod.apply(this.element, arguments)
    },

    _keyEvent: function (keyEvent, event) {
      if (!this.isMultiLine || this.menu.element.is(':visible')) {
        this._move(keyEvent, event)

        // Prevents moving cursor to beginning/end of the text field in some browsers
        event.preventDefault()
      }
    },

    // Support: Chrome <=50
    // We should be able to just use this.element.prop( "isContentEditable" )
    // but hidden elements always report false in Chrome.
    // https://code.google.com/p/chromium/issues/detail?id=313082
    _isContentEditable: function (element) {
      if (!element.length) {
        return false
      }

      var editable = element.prop('contentEditable')

      if (editable === 'inherit') {
        return this._isContentEditable(element.parent())
      }

      return editable === 'true'
    },
  })

  $.extend($.ui.autocomplete, {
    escapeRegex: function (value) {
      return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
    },
    filter: function (array, term) {
      var matcher = new RegExp($.ui.autocomplete.escapeRegex(term), 'i')
      return $.grep(array, function (value) {
        return matcher.test(value.label || value.value || value)
      })
    },
  })

  // Live region extension, adding a `messages` option
  // NOTE: This is an experimental API. We are still investigating
  // a full solution for string manipulation and internationalization.
  $.widget('ui.autocomplete', $.ui.autocomplete, {
    options: {
      messages: {
        noResults: 'No search results.',
        results: function (amount) {
          return (
            amount +
            (amount > 1 ? ' results are' : ' result is') +
            ' available, use up and down arrow keys to navigate.'
          )
        },
      },
    },

    __response: function (content) {
      var message
      this._superApply(arguments)
      if (this.options.disabled || this.cancelSearch) {
        return
      }
      if (content && content.length) {
        message = this.options.messages.results(content.length)
      } else {
        message = this.options.messages.noResults
      }
      this.liveRegion.children().hide()
      $('<div>').text(message).appendTo(this.liveRegion)
    },
  })

  var widgetsAutocomplete = $.ui.autocomplete

  /*!
   * jQuery UI Controlgroup 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Controlgroup
  //>>group: Widgets
  //>>description: Visually groups form control widgets
  //>>docs: http://api.jqueryui.com/controlgroup/
  //>>demos: http://jqueryui.com/controlgroup/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/controlgroup.css
  //>>css.theme: ../../themes/base/theme.css

  var controlgroupCornerRegex = /ui-corner-([a-z]){2,6}/g

  var widgetsControlgroup = $.widget('ui.controlgroup', {
    version: '1.12.1',
    defaultElement: '<div>',
    options: {
      direction: 'horizontal',
      disabled: null,
      onlyVisible: true,
      items: {
        button:
          'input[type=button], input[type=submit], input[type=reset], button, a',
        controlgroupLabel: '.ui-controlgroup-label',
        checkboxradio: "input[type='checkbox'], input[type='radio']",
        selectmenu: 'select',
        spinner: '.ui-spinner-input',
      },
    },

    _create: function () {
      this._enhance()
    },

    // To support the enhanced option in jQuery Mobile, we isolate DOM manipulation
    _enhance: function () {
      this.element.attr('role', 'toolbar')
      this.refresh()
    },

    _destroy: function () {
      this._callChildMethod('destroy')
      this.childWidgets.removeData('ui-controlgroup-data')
      this.element.removeAttr('role')
      if (this.options.items.controlgroupLabel) {
        this.element
          .find(this.options.items.controlgroupLabel)
          .find('.ui-controlgroup-label-contents')
          .contents()
          .unwrap()
      }
    },

    _initWidgets: function () {
      var that = this,
        childWidgets = []

      // First we iterate over each of the items options
      $.each(this.options.items, function (widget, selector) {
        var labels
        var options = {}

        // Make sure the widget has a selector set
        if (!selector) {
          return
        }

        if (widget === 'controlgroupLabel') {
          labels = that.element.find(selector)
          labels.each(function () {
            var element = $(this)

            if (element.children('.ui-controlgroup-label-contents').length) {
              return
            }
            element
              .contents()
              .wrapAll("<span class='ui-controlgroup-label-contents'></span>")
          })
          that._addClass(
            labels,
            null,
            'ui-widget ui-widget-content ui-state-default'
          )
          childWidgets = childWidgets.concat(labels.get())
          return
        }

        // Make sure the widget actually exists
        if (!$.fn[widget]) {
          return
        }

        // We assume everything is in the middle to start because we can't determine
        // first / last elements until all enhancments are done.
        if (that['_' + widget + 'Options']) {
          options = that['_' + widget + 'Options']('middle')
        } else {
          options = { classes: {} }
        }

        // Find instances of this widget inside controlgroup and init them
        that.element.find(selector).each(function () {
          var element = $(this)
          var instance = element[widget]('instance')

          // We need to clone the default options for this type of widget to avoid
          // polluting the variable options which has a wider scope than a single widget.
          var instanceOptions = $.widget.extend({}, options)

          // If the button is the child of a spinner ignore it
          // TODO: Find a more generic solution
          if (widget === 'button' && element.parent('.ui-spinner').length) {
            return
          }

          // Create the widget if it doesn't exist
          if (!instance) {
            instance = element[widget]()[widget]('instance')
          }
          if (instance) {
            instanceOptions.classes = that._resolveClassesValues(
              instanceOptions.classes,
              instance
            )
          }
          element[widget](instanceOptions)

          // Store an instance of the controlgroup to be able to reference
          // from the outermost element for changing options and refresh
          var widgetElement = element[widget]('widget')
          $.data(
            widgetElement[0],
            'ui-controlgroup-data',
            instance ? instance : element[widget]('instance')
          )

          childWidgets.push(widgetElement[0])
        })
      })

      this.childWidgets = $($.unique(childWidgets))
      this._addClass(this.childWidgets, 'ui-controlgroup-item')
    },

    _callChildMethod: function (method) {
      this.childWidgets.each(function () {
        var element = $(this),
          data = element.data('ui-controlgroup-data')
        if (data && data[method]) {
          data[method]()
        }
      })
    },

    _updateCornerClass: function (element, position) {
      var remove =
        'ui-corner-top ui-corner-bottom ui-corner-left ui-corner-right ui-corner-all'
      var add = this._buildSimpleOptions(position, 'label').classes.label

      this._removeClass(element, null, remove)
      this._addClass(element, null, add)
    },

    _buildSimpleOptions: function (position, key) {
      var direction = this.options.direction === 'vertical'
      var result = {
        classes: {},
      }
      result.classes[key] = {
        middle: '',
        first: 'ui-corner-' + (direction ? 'top' : 'left'),
        last: 'ui-corner-' + (direction ? 'bottom' : 'right'),
        only: 'ui-corner-all',
      }[position]

      return result
    },

    _spinnerOptions: function (position) {
      var options = this._buildSimpleOptions(position, 'ui-spinner')

      options.classes['ui-spinner-up'] = ''
      options.classes['ui-spinner-down'] = ''

      return options
    },

    _buttonOptions: function (position) {
      return this._buildSimpleOptions(position, 'ui-button')
    },

    _checkboxradioOptions: function (position) {
      return this._buildSimpleOptions(position, 'ui-checkboxradio-label')
    },

    _selectmenuOptions: function (position) {
      var direction = this.options.direction === 'vertical'
      return {
        width: direction ? 'auto' : false,
        classes: {
          middle: {
            'ui-selectmenu-button-open': '',
            'ui-selectmenu-button-closed': '',
          },
          first: {
            'ui-selectmenu-button-open':
              'ui-corner-' + (direction ? 'top' : 'tl'),
            'ui-selectmenu-button-closed':
              'ui-corner-' + (direction ? 'top' : 'left'),
          },
          last: {
            'ui-selectmenu-button-open': direction ? '' : 'ui-corner-tr',
            'ui-selectmenu-button-closed':
              'ui-corner-' + (direction ? 'bottom' : 'right'),
          },
          only: {
            'ui-selectmenu-button-open': 'ui-corner-top',
            'ui-selectmenu-button-closed': 'ui-corner-all',
          },
        }[position],
      }
    },

    _resolveClassesValues: function (classes, instance) {
      var result = {}
      $.each(classes, function (key) {
        var current = instance.options.classes[key] || ''
        current = $.trim(current.replace(controlgroupCornerRegex, ''))
        result[key] = (current + ' ' + classes[key]).replace(/\s+/g, ' ')
      })
      return result
    },

    _setOption: function (key, value) {
      if (key === 'direction') {
        this._removeClass('ui-controlgroup-' + this.options.direction)
      }

      this._super(key, value)
      if (key === 'disabled') {
        this._callChildMethod(value ? 'disable' : 'enable')
        return
      }

      this.refresh()
    },

    refresh: function () {
      var children,
        that = this

      this._addClass(
        'ui-controlgroup ui-controlgroup-' + this.options.direction
      )

      if (this.options.direction === 'horizontal') {
        this._addClass(null, 'ui-helper-clearfix')
      }
      this._initWidgets()

      children = this.childWidgets

      // We filter here because we need to track all childWidgets not just the visible ones
      if (this.options.onlyVisible) {
        children = children.filter(':visible')
      }

      if (children.length) {
        // We do this last because we need to make sure all enhancment is done
        // before determining first and last
        $.each(['first', 'last'], function (index, value) {
          var instance = children[value]().data('ui-controlgroup-data')

          if (instance && that['_' + instance.widgetName + 'Options']) {
            var options = that['_' + instance.widgetName + 'Options'](
              children.length === 1 ? 'only' : value
            )
            options.classes = that._resolveClassesValues(
              options.classes,
              instance
            )
            instance.element[instance.widgetName](options)
          } else {
            that._updateCornerClass(children[value](), value)
          }
        })

        // Finally call the refresh method on each of the child widgets.
        this._callChildMethod('refresh')
      }
    },
  })

  /*!
   * jQuery UI Checkboxradio 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Checkboxradio
  //>>group: Widgets
  //>>description: Enhances a form with multiple themeable checkboxes or radio buttons.
  //>>docs: http://api.jqueryui.com/checkboxradio/
  //>>demos: http://jqueryui.com/checkboxradio/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/button.css
  //>>css.structure: ../../themes/base/checkboxradio.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.checkboxradio', [
    $.ui.formResetMixin,
    {
      version: '1.12.1',
      options: {
        disabled: null,
        label: null,
        icon: true,
        classes: {
          'ui-checkboxradio-label': 'ui-corner-all',
          'ui-checkboxradio-icon': 'ui-corner-all',
        },
      },

      _getCreateOptions: function () {
        var disabled, labels
        var that = this
        var options = this._super() || {}

        // We read the type here, because it makes more sense to throw a element type error first,
        // rather then the error for lack of a label. Often if its the wrong type, it
        // won't have a label (e.g. calling on a div, btn, etc)
        this._readType()

        labels = this.element.labels()

        // If there are multiple labels, use the last one
        this.label = $(labels[labels.length - 1])
        if (!this.label.length) {
          $.error('No label found for checkboxradio widget')
        }

        this.originalLabel = ''

        // We need to get the label text but this may also need to make sure it does not contain the
        // input itself.
        this.label
          .contents()
          .not(this.element[0])
          .each(function () {
            // The label contents could be text, html, or a mix. We concat each element to get a
            // string representation of the label, without the input as part of it.
            that.originalLabel +=
              this.nodeType === 3 ? $(this).text() : this.outerHTML
          })

        // Set the label option if we found label text
        if (this.originalLabel) {
          options.label = this.originalLabel
        }

        disabled = this.element[0].disabled
        if (disabled != null) {
          options.disabled = disabled
        }
        return options
      },

      _create: function () {
        var checked = this.element[0].checked

        this._bindFormResetHandler()

        if (this.options.disabled == null) {
          this.options.disabled = this.element[0].disabled
        }

        this._setOption('disabled', this.options.disabled)
        this._addClass('ui-checkboxradio', 'ui-helper-hidden-accessible')
        this._addClass(
          this.label,
          'ui-checkboxradio-label',
          'ui-button ui-widget'
        )

        if (this.type === 'radio') {
          this._addClass(this.label, 'ui-checkboxradio-radio-label')
        }

        if (this.options.label && this.options.label !== this.originalLabel) {
          this._updateLabel()
        } else if (this.originalLabel) {
          this.options.label = this.originalLabel
        }

        this._enhance()

        if (checked) {
          this._addClass(
            this.label,
            'ui-checkboxradio-checked',
            'ui-state-active'
          )
          if (this.icon) {
            this._addClass(this.icon, null, 'ui-state-hover')
          }
        }

        this._on({
          change: '_toggleClasses',
          focus: function () {
            this._addClass(this.label, null, 'ui-state-focus ui-visual-focus')
          },
          blur: function () {
            this._removeClass(
              this.label,
              null,
              'ui-state-focus ui-visual-focus'
            )
          },
        })
      },

      _readType: function () {
        var nodeName = this.element[0].nodeName.toLowerCase()
        this.type = this.element[0].type
        if (nodeName !== 'input' || !/radio|checkbox/.test(this.type)) {
          $.error(
            "Can't create checkboxradio on element.nodeName=" +
              nodeName +
              ' and element.type=' +
              this.type
          )
        }
      },

      // Support jQuery Mobile enhanced option
      _enhance: function () {
        this._updateIcon(this.element[0].checked)
      },

      widget: function () {
        return this.label
      },

      _getRadioGroup: function () {
        var group
        var name = this.element[0].name
        var nameSelector = "input[name='" + $.ui.escapeSelector(name) + "']"

        if (!name) {
          return $([])
        }

        if (this.form.length) {
          group = $(this.form[0].elements).filter(nameSelector)
        } else {
          // Not inside a form, check all inputs that also are not inside a form
          group = $(nameSelector).filter(function () {
            return $(this).form().length === 0
          })
        }

        return group.not(this.element)
      },

      _toggleClasses: function () {
        var checked = this.element[0].checked
        this._toggleClass(
          this.label,
          'ui-checkboxradio-checked',
          'ui-state-active',
          checked
        )

        if (this.options.icon && this.type === 'checkbox') {
          this._toggleClass(
            this.icon,
            null,
            'ui-icon-check ui-state-checked',
            checked
          )._toggleClass(this.icon, null, 'ui-icon-blank', !checked)
        }

        if (this.type === 'radio') {
          this._getRadioGroup().each(function () {
            var instance = $(this).checkboxradio('instance')

            if (instance) {
              instance._removeClass(
                instance.label,
                'ui-checkboxradio-checked',
                'ui-state-active'
              )
            }
          })
        }
      },

      _destroy: function () {
        this._unbindFormResetHandler()

        if (this.icon) {
          this.icon.remove()
          this.iconSpace.remove()
        }
      },

      _setOption: function (key, value) {
        // We don't allow the value to be set to nothing
        if (key === 'label' && !value) {
          return
        }

        this._super(key, value)

        if (key === 'disabled') {
          this._toggleClass(this.label, null, 'ui-state-disabled', value)
          this.element[0].disabled = value

          // Don't refresh when setting disabled
          return
        }
        this.refresh()
      },

      _updateIcon: function (checked) {
        var toAdd = 'ui-icon ui-icon-background '

        if (this.options.icon) {
          if (!this.icon) {
            this.icon = $('<span>')
            this.iconSpace = $('<span> </span>')
            this._addClass(this.iconSpace, 'ui-checkboxradio-icon-space')
          }

          if (this.type === 'checkbox') {
            toAdd += checked
              ? 'ui-icon-check ui-state-checked'
              : 'ui-icon-blank'
            this._removeClass(
              this.icon,
              null,
              checked ? 'ui-icon-blank' : 'ui-icon-check'
            )
          } else {
            toAdd += 'ui-icon-blank'
          }
          this._addClass(this.icon, 'ui-checkboxradio-icon', toAdd)
          if (!checked) {
            this._removeClass(this.icon, null, 'ui-icon-check ui-state-checked')
          }
          this.icon.prependTo(this.label).after(this.iconSpace)
        } else if (this.icon !== undefined) {
          this.icon.remove()
          this.iconSpace.remove()
          delete this.icon
        }
      },

      _updateLabel: function () {
        // Remove the contents of the label ( minus the icon, icon space, and input )
        var contents = this.label.contents().not(this.element[0])
        if (this.icon) {
          contents = contents.not(this.icon[0])
        }
        if (this.iconSpace) {
          contents = contents.not(this.iconSpace[0])
        }
        contents.remove()

        this.label.append(this.options.label)
      },

      refresh: function () {
        var checked = this.element[0].checked,
          isDisabled = this.element[0].disabled

        this._updateIcon(checked)
        this._toggleClass(
          this.label,
          'ui-checkboxradio-checked',
          'ui-state-active',
          checked
        )
        if (this.options.label !== null) {
          this._updateLabel()
        }

        if (isDisabled !== this.options.disabled) {
          this._setOptions({ disabled: isDisabled })
        }
      },
    },
  ])

  var widgetsCheckboxradio = $.ui.checkboxradio

  /*!
   * jQuery UI Button 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Button
  //>>group: Widgets
  //>>description: Enhances a form with themeable buttons.
  //>>docs: http://api.jqueryui.com/button/
  //>>demos: http://jqueryui.com/button/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/button.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.button', {
    version: '1.12.1',
    defaultElement: '<button>',
    options: {
      classes: {
        'ui-button': 'ui-corner-all',
      },
      disabled: null,
      icon: null,
      iconPosition: 'beginning',
      label: null,
      showLabel: true,
    },

    _getCreateOptions: function () {
      var disabled,
        // This is to support cases like in jQuery Mobile where the base widget does have
        // an implementation of _getCreateOptions
        options = this._super() || {}

      this.isInput = this.element.is('input')

      disabled = this.element[0].disabled
      if (disabled != null) {
        options.disabled = disabled
      }

      this.originalLabel = this.isInput
        ? this.element.val()
        : this.element.html()
      if (this.originalLabel) {
        options.label = this.originalLabel
      }

      return options
    },

    _create: function () {
      if (!this.option.showLabel & !this.options.icon) {
        this.options.showLabel = true
      }

      // We have to check the option again here even though we did in _getCreateOptions,
      // because null may have been passed on init which would override what was set in
      // _getCreateOptions
      if (this.options.disabled == null) {
        this.options.disabled = this.element[0].disabled || false
      }

      this.hasTitle = !!this.element.attr('title')

      // Check to see if the label needs to be set or if its already correct
      if (this.options.label && this.options.label !== this.originalLabel) {
        if (this.isInput) {
          this.element.val(this.options.label)
        } else {
          this.element.html(this.options.label)
        }
      }
      this._addClass('ui-button', 'ui-widget')
      this._setOption('disabled', this.options.disabled)
      this._enhance()

      if (this.element.is('a')) {
        this._on({
          keyup: function (event) {
            if (event.keyCode === $.ui.keyCode.SPACE) {
              event.preventDefault()

              // Support: PhantomJS <= 1.9, IE 8 Only
              // If a native click is available use it so we actually cause navigation
              // otherwise just trigger a click event
              if (this.element[0].click) {
                this.element[0].click()
              } else {
                this.element.trigger('click')
              }
            }
          },
        })
      }
    },

    _enhance: function () {
      if (!this.element.is('button')) {
        this.element.attr('role', 'button')
      }

      if (this.options.icon) {
        this._updateIcon('icon', this.options.icon)
        this._updateTooltip()
      }
    },

    _updateTooltip: function () {
      this.title = this.element.attr('title')

      if (!this.options.showLabel && !this.title) {
        this.element.attr('title', this.options.label)
      }
    },

    _updateIcon: function (option, value) {
      var icon = option !== 'iconPosition',
        position = icon ? this.options.iconPosition : value,
        displayBlock = position === 'top' || position === 'bottom'

      // Create icon
      if (!this.icon) {
        this.icon = $('<span>')

        this._addClass(this.icon, 'ui-button-icon', 'ui-icon')

        if (!this.options.showLabel) {
          this._addClass('ui-button-icon-only')
        }
      } else if (icon) {
        // If we are updating the icon remove the old icon class
        this._removeClass(this.icon, null, this.options.icon)
      }

      // If we are updating the icon add the new icon class
      if (icon) {
        this._addClass(this.icon, null, value)
      }

      this._attachIcon(position)

      // If the icon is on top or bottom we need to add the ui-widget-icon-block class and remove
      // the iconSpace if there is one.
      if (displayBlock) {
        this._addClass(this.icon, null, 'ui-widget-icon-block')
        if (this.iconSpace) {
          this.iconSpace.remove()
        }
      } else {
        // Position is beginning or end so remove the ui-widget-icon-block class and add the
        // space if it does not exist
        if (!this.iconSpace) {
          this.iconSpace = $('<span> </span>')
          this._addClass(this.iconSpace, 'ui-button-icon-space')
        }
        this._removeClass(this.icon, null, 'ui-wiget-icon-block')
        this._attachIconSpace(position)
      }
    },

    _destroy: function () {
      this.element.removeAttr('role')

      if (this.icon) {
        this.icon.remove()
      }
      if (this.iconSpace) {
        this.iconSpace.remove()
      }
      if (!this.hasTitle) {
        this.element.removeAttr('title')
      }
    },

    _attachIconSpace: function (iconPosition) {
      this.icon[/^(?:end|bottom)/.test(iconPosition) ? 'before' : 'after'](
        this.iconSpace
      )
    },

    _attachIcon: function (iconPosition) {
      this.element[/^(?:end|bottom)/.test(iconPosition) ? 'append' : 'prepend'](
        this.icon
      )
    },

    _setOptions: function (options) {
      var newShowLabel =
          options.showLabel === undefined
            ? this.options.showLabel
            : options.showLabel,
        newIcon = options.icon === undefined ? this.options.icon : options.icon

      if (!newShowLabel && !newIcon) {
        options.showLabel = true
      }
      this._super(options)
    },

    _setOption: function (key, value) {
      if (key === 'icon') {
        if (value) {
          this._updateIcon(key, value)
        } else if (this.icon) {
          this.icon.remove()
          if (this.iconSpace) {
            this.iconSpace.remove()
          }
        }
      }

      if (key === 'iconPosition') {
        this._updateIcon(key, value)
      }

      // Make sure we can't end up with a button that has neither text nor icon
      if (key === 'showLabel') {
        this._toggleClass('ui-button-icon-only', null, !value)
        this._updateTooltip()
      }

      if (key === 'label') {
        if (this.isInput) {
          this.element.val(value)
        } else {
          // If there is an icon, append it, else nothing then append the value
          // this avoids removal of the icon when setting label text
          this.element.html(value)
          if (this.icon) {
            this._attachIcon(this.options.iconPosition)
            this._attachIconSpace(this.options.iconPosition)
          }
        }
      }

      this._super(key, value)

      if (key === 'disabled') {
        this._toggleClass(null, 'ui-state-disabled', value)
        this.element[0].disabled = value
        if (value) {
          this.element.blur()
        }
      }
    },

    refresh: function () {
      // Make sure to only check disabled if its an element that supports this otherwise
      // check for the disabled class to determine state
      var isDisabled = this.element.is('input, button')
        ? this.element[0].disabled
        : this.element.hasClass('ui-button-disabled')

      if (isDisabled !== this.options.disabled) {
        this._setOptions({ disabled: isDisabled })
      }

      this._updateTooltip()
    },
  })

  // DEPRECATED
  if ($.uiBackCompat !== false) {
    // Text and Icons options
    $.widget('ui.button', $.ui.button, {
      options: {
        text: true,
        icons: {
          primary: null,
          secondary: null,
        },
      },

      _create: function () {
        if (this.options.showLabel && !this.options.text) {
          this.options.showLabel = this.options.text
        }
        if (!this.options.showLabel && this.options.text) {
          this.options.text = this.options.showLabel
        }
        if (
          !this.options.icon &&
          (this.options.icons.primary || this.options.icons.secondary)
        ) {
          if (this.options.icons.primary) {
            this.options.icon = this.options.icons.primary
          } else {
            this.options.icon = this.options.icons.secondary
            this.options.iconPosition = 'end'
          }
        } else if (this.options.icon) {
          this.options.icons.primary = this.options.icon
        }
        this._super()
      },

      _setOption: function (key, value) {
        if (key === 'text') {
          this._super('showLabel', value)
          return
        }
        if (key === 'showLabel') {
          this.options.text = value
        }
        if (key === 'icon') {
          this.options.icons.primary = value
        }
        if (key === 'icons') {
          if (value.primary) {
            this._super('icon', value.primary)
            this._super('iconPosition', 'beginning')
          } else if (value.secondary) {
            this._super('icon', value.secondary)
            this._super('iconPosition', 'end')
          }
        }
        this._superApply(arguments)
      },
    })

    $.fn.button = (function (orig) {
      return function () {
        if (
          !this.length ||
          (this.length && this[0].tagName !== 'INPUT') ||
          (this.length &&
            this[0].tagName === 'INPUT' &&
            this.attr('type') !== 'checkbox' &&
            this.attr('type') !== 'radio')
        ) {
          return orig.apply(this, arguments)
        }
        if (!$.ui.checkboxradio) {
          $.error('Checkboxradio widget missing')
        }
        if (arguments.length === 0) {
          return this.checkboxradio({
            icon: false,
          })
        }
        return this.checkboxradio.apply(this, arguments)
      }
    })($.fn.button)

    $.fn.buttonset = function () {
      if (!$.ui.controlgroup) {
        $.error('Controlgroup widget missing')
      }
      if (
        arguments[0] === 'option' &&
        arguments[1] === 'items' &&
        arguments[2]
      ) {
        return this.controlgroup.apply(this, [
          arguments[0],
          'items.button',
          arguments[2],
        ])
      }
      if (arguments[0] === 'option' && arguments[1] === 'items') {
        return this.controlgroup.apply(this, [arguments[0], 'items.button'])
      }
      if (typeof arguments[0] === 'object' && arguments[0].items) {
        arguments[0].items = {
          button: arguments[0].items,
        }
      }
      return this.controlgroup.apply(this, arguments)
    }
  }

  var widgetsButton = $.ui.button

  // jscs:disable maximumLineLength
  /* jscs:disable requireCamelCaseOrUpperCaseIdentifiers */
  /*!
   * jQuery UI Datepicker 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Datepicker
  //>>group: Widgets
  //>>description: Displays a calendar from an input or inline for selecting dates.
  //>>docs: http://api.jqueryui.com/datepicker/
  //>>demos: http://jqueryui.com/datepicker/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/datepicker.css
  //>>css.theme: ../../themes/base/theme.css

  $.extend($.ui, { datepicker: { version: '1.12.1' } })

  var datepicker_instActive

  function datepicker_getZindex(elem) {
    var position, value
    while (elem.length && elem[0] !== document) {
      // Ignore z-index if position is set to a value where z-index is ignored by the browser
      // This makes behavior of this function consistent across browsers
      // WebKit always returns auto if the element is positioned
      position = elem.css('position')
      if (
        position === 'absolute' ||
        position === 'relative' ||
        position === 'fixed'
      ) {
        // IE returns 0 when zIndex is not specified
        // other browsers return a string
        // we ignore the case of nested elements with an explicit value of 0
        // <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
        value = parseInt(elem.css('zIndex'), 10)
        if (!isNaN(value) && value !== 0) {
          return value
        }
      }
      elem = elem.parent()
    }

    return 0
  }
  /* Date picker manager.
   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
   Settings for (groups of) date pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

  function Datepicker() {
    this._curInst = null // The current instance in use
    this._keyEvent = false // If the last event was a key event
    this._disabledInputs = [] // List of date picker inputs that have been disabled
    this._datepickerShowing = false // True if the popup picker is showing , false if not
    this._inDialog = false // True if showing within a "dialog", false if not
    this._mainDivId = 'ui-datepicker-div' // The ID of the main datepicker division
    this._inlineClass = 'ui-datepicker-inline' // The name of the inline marker class
    this._appendClass = 'ui-datepicker-append' // The name of the append marker class
    this._triggerClass = 'ui-datepicker-trigger' // The name of the trigger marker class
    this._dialogClass = 'ui-datepicker-dialog' // The name of the dialog marker class
    this._disableClass = 'ui-datepicker-disabled' // The name of the disabled covering marker class
    this._unselectableClass = 'ui-datepicker-unselectable' // The name of the unselectable cell marker class
    this._currentClass = 'ui-datepicker-current-day' // The name of the current day marker class
    this._dayOverClass = 'ui-datepicker-days-cell-over' // The name of the day hover marker class
    this.regional = [] // Available regional settings, indexed by language code
    this.regional[''] = {
      // Default regional settings
      closeText: 'Done', // Display text for close link
      prevText: 'Prev', // Display text for previous month link
      nextText: 'Next', // Display text for next month link
      currentText: 'Today', // Display text for current month link
      monthNames: [
        'January',
        'February',
        'March',
        'April',
        'May',
        'June',
        'July',
        'August',
        'September',
        'October',
        'November',
        'December',
      ], // Names of months for drop-down and formatting
      monthNamesShort: [
        'Jan',
        'Feb',
        'Mar',
        'Apr',
        'May',
        'Jun',
        'Jul',
        'Aug',
        'Sep',
        'Oct',
        'Nov',
        'Dec',
      ], // For formatting
      dayNames: [
        'Sunday',
        'Monday',
        'Tuesday',
        'Wednesday',
        'Thursday',
        'Friday',
        'Saturday',
      ], // For formatting
      dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
      dayNamesMin: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'], // Column headings for days starting at Sunday
      weekHeader: 'Wk', // Column header for week of the year
      dateFormat: 'mm/dd/yy', // See format options on parseDate
      firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
      isRTL: false, // True if right-to-left language, false if left-to-right
      showMonthAfterYear: false, // True if the year select precedes month, false for month then year
      yearSuffix: '', // Additional text to append to the year in the month headers
    }
    this._defaults = {
      // Global defaults for all the date picker instances
      showOn: 'focus', // "focus" for popup on focus,
      // "button" for trigger button, or "both" for either
      showAnim: 'fadeIn', // Name of jQuery animation for popup
      showOptions: {}, // Options for enhanced animations
      defaultDate: null, // Used when field is blank: actual date,
      // +/-number for offset from today, null for today
      appendText: '', // Display text following the input box, e.g. showing the format
      buttonText: '...', // Text for trigger button
      buttonImage: '', // URL for trigger button image
      buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
      hideIfNoPrevNext: false, // True to hide next/previous month links
      // if not applicable, false to just disable them
      navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
      gotoCurrent: false, // True if today link goes back to current selection instead
      changeMonth: false, // True if month can be selected directly, false if only prev/next
      changeYear: false, // True if year can be selected directly, false if only prev/next
      yearRange: 'c-10:c+10', // Range of years to display in drop-down,
      // either relative to today's year (-nn:+nn), relative to currently displayed year
      // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
      showOtherMonths: false, // True to show dates in other months, false to leave blank
      selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
      showWeek: false, // True to show week of the year, false to not show it
      calculateWeek: this.iso8601Week, // How to calculate the week of the year,
      // takes a Date and returns the number of the week for it
      shortYearCutoff: '+10', // Short year values < this are in the current century,
      // > this are in the previous century,
      // string value starting with "+" for current year + value
      minDate: null, // The earliest selectable date, or null for no limit
      maxDate: null, // The latest selectable date, or null for no limit
      duration: 'fast', // Duration of display/closure
      beforeShowDay: null, // Function that takes a date and returns an array with
      // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
      // [2] = cell title (optional), e.g. $.datepicker.noWeekends
      beforeShow: null, // Function that takes an input field and
      // returns a set of custom settings for the date picker
      onSelect: null, // Define a callback function when a date is selected
      onChangeMonthYear: null, // Define a callback function when the month or year is changed
      onClose: null, // Define a callback function when the datepicker is closed
      numberOfMonths: 1, // Number of months to show at a time
      showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
      stepMonths: 1, // Number of months to step back/forward
      stepBigMonths: 12, // Number of months to step back/forward for the big links
      altField: '', // Selector for an alternate field to store selected dates into
      altFormat: '', // The date format to use for the alternate field
      constrainInput: true, // The input is constrained by the current date format
      showButtonPanel: false, // True to show button panel, false to not show it
      autoSize: false, // True to size the input for the date format, false to leave as is
      disabled: false, // The initial disabled state
    }
    $.extend(this._defaults, this.regional[''])
    this.regional.en = $.extend(true, {}, this.regional[''])
    this.regional['en-US'] = $.extend(true, {}, this.regional.en)
    this.dpDiv = datepicker_bindHover(
      $(
        "<div id='" +
          this._mainDivId +
          "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"
      )
    )
  }

  $.extend(Datepicker.prototype, {
    /* Class name added to elements to indicate already configured with a date picker. */
    markerClassName: 'hasDatepicker',

    //Keep track of the maximum number of rows displayed (see #7043)
    maxRows: 4,

    // TODO rename to "widget" when switching to widget factory
    _widgetDatepicker: function () {
      return this.dpDiv
    },

    /* Override the default settings for all instances of the date picker.
     * @param  settings  object - the new settings to use as defaults (anonymous object)
     * @return the manager object
     */
    setDefaults: function (settings) {
      datepicker_extendRemove(this._defaults, settings || {})
      return this
    },

    /* Attach the date picker to a jQuery selection.
     * @param  target	element - the target input field or division or span
     * @param  settings  object - the new settings to use for this date picker instance (anonymous)
     */
    _attachDatepicker: function (target, settings) {
      var nodeName, inline, inst
      nodeName = target.nodeName.toLowerCase()
      inline = nodeName === 'div' || nodeName === 'span'
      if (!target.id) {
        this.uuid += 1
        target.id = 'dp' + this.uuid
      }
      inst = this._newInst($(target), inline)
      inst.settings = $.extend({}, settings || {})
      if (nodeName === 'input') {
        this._connectDatepicker(target, inst)
      } else if (inline) {
        this._inlineDatepicker(target, inst)
      }
    },

    /* Create a new instance object. */
    _newInst: function (target, inline) {
      var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, '\\\\$1') // escape jQuery meta chars
      return {
        id: id,
        input: target, // associated target
        selectedDay: 0,
        selectedMonth: 0,
        selectedYear: 0, // current selection
        drawMonth: 0,
        drawYear: 0, // month being drawn
        inline: inline, // is datepicker inline or not
        dpDiv: !inline
          ? this.dpDiv // presentation div
          : datepicker_bindHover(
              $(
                "<div class='" +
                  this._inlineClass +
                  " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"
              )
            ),
      }
    },

    /* Attach the date picker to an input field. */
    _connectDatepicker: function (target, inst) {
      var input = $(target)
      inst.append = $([])
      inst.trigger = $([])
      if (input.hasClass(this.markerClassName)) {
        return
      }
      this._attachments(input, inst)
      input
        .addClass(this.markerClassName)
        .on('keydown', this._doKeyDown)
        .on('keypress', this._doKeyPress)
        .on('keyup', this._doKeyUp)
      this._autoSize(inst)
      $.data(target, 'datepicker', inst)

      //If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
      if (inst.settings.disabled) {
        this._disableDatepicker(target)
      }
    },

    /* Make attachments based on settings. */
    _attachments: function (input, inst) {
      var showOn,
        buttonText,
        buttonImage,
        appendText = this._get(inst, 'appendText'),
        isRTL = this._get(inst, 'isRTL')

      if (inst.append) {
        inst.append.remove()
      }
      if (appendText) {
        inst.append = $(
          "<span class='" + this._appendClass + "'>" + appendText + '</span>'
        )
        input[isRTL ? 'before' : 'after'](inst.append)
      }

      input.off('focus', this._showDatepicker)

      if (inst.trigger) {
        inst.trigger.remove()
      }

      showOn = this._get(inst, 'showOn')
      if (showOn === 'focus' || showOn === 'both') {
        // pop-up date picker when in the marked field
        input.on('focus', this._showDatepicker)
      }
      if (showOn === 'button' || showOn === 'both') {
        // pop-up date picker when button clicked
        buttonText = this._get(inst, 'buttonText')
        buttonImage = this._get(inst, 'buttonImage')
        inst.trigger = $(
          this._get(inst, 'buttonImageOnly')
            ? $('<img/>')
                .addClass(this._triggerClass)
                .attr({ src: buttonImage, alt: buttonText, title: buttonText })
            : $("<button type='button'></button>")
                .addClass(this._triggerClass)
                .html(
                  !buttonImage
                    ? buttonText
                    : $('<img/>').attr({
                        src: buttonImage,
                        alt: buttonText,
                        title: buttonText,
                      })
                )
        )
        input[isRTL ? 'before' : 'after'](inst.trigger)
        inst.trigger.on('click', function () {
          if (
            $.datepicker._datepickerShowing &&
            $.datepicker._lastInput === input[0]
          ) {
            $.datepicker._hideDatepicker()
          } else if (
            $.datepicker._datepickerShowing &&
            $.datepicker._lastInput !== input[0]
          ) {
            $.datepicker._hideDatepicker()
            $.datepicker._showDatepicker(input[0])
          } else {
            $.datepicker._showDatepicker(input[0])
          }
          return false
        })
      }
    },

    /* Apply the maximum length for the date format. */
    _autoSize: function (inst) {
      if (this._get(inst, 'autoSize') && !inst.inline) {
        var findMax,
          max,
          maxI,
          i,
          date = new Date(2009, 12 - 1, 20), // Ensure double digits
          dateFormat = this._get(inst, 'dateFormat')

        if (dateFormat.match(/[DM]/)) {
          findMax = function (names) {
            max = 0
            maxI = 0
            for (i = 0; i < names.length; i++) {
              if (names[i].length > max) {
                max = names[i].length
                maxI = i
              }
            }
            return maxI
          }
          date.setMonth(
            findMax(
              this._get(
                inst,
                dateFormat.match(/MM/) ? 'monthNames' : 'monthNamesShort'
              )
            )
          )
          date.setDate(
            findMax(
              this._get(
                inst,
                dateFormat.match(/DD/) ? 'dayNames' : 'dayNamesShort'
              )
            ) +
              20 -
              date.getDay()
          )
        }
        inst.input.attr('size', this._formatDate(inst, date).length)
      }
    },

    /* Attach an inline date picker to a div. */
    _inlineDatepicker: function (target, inst) {
      var divSpan = $(target)
      if (divSpan.hasClass(this.markerClassName)) {
        return
      }
      divSpan.addClass(this.markerClassName).append(inst.dpDiv)
      $.data(target, 'datepicker', inst)
      this._setDate(inst, this._getDefaultDate(inst), true)
      this._updateDatepicker(inst)
      this._updateAlternate(inst)

      //If disabled option is true, disable the datepicker before showing it (see ticket #5665)
      if (inst.settings.disabled) {
        this._disableDatepicker(target)
      }

      // Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
      // http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
      inst.dpDiv.css('display', 'block')
    },

    /* Pop-up the date picker in a "dialog" box.
     * @param  input element - ignored
     * @param  date	string or Date - the initial date to display
     * @param  onSelect  function - the function to call when a date is selected
     * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
     * @param  pos int[2] - coordinates for the dialog's position within the screen or
     *					event - with x/y coordinates or
     *					leave empty for default (screen centre)
     * @return the manager object
     */
    _dialogDatepicker: function (input, date, onSelect, settings, pos) {
      var id,
        browserWidth,
        browserHeight,
        scrollX,
        scrollY,
        inst = this._dialogInst // internal instance

      if (!inst) {
        this.uuid += 1
        id = 'dp' + this.uuid
        this._dialogInput = $(
          "<input type='text' id='" +
            id +
            "' style='position: absolute; top: -100px; width: 0px;'/>"
        )
        this._dialogInput.on('keydown', this._doKeyDown)
        $('body').append(this._dialogInput)
        inst = this._dialogInst = this._newInst(this._dialogInput, false)
        inst.settings = {}
        $.data(this._dialogInput[0], 'datepicker', inst)
      }
      datepicker_extendRemove(inst.settings, settings || {})
      date =
        date && date.constructor === Date ? this._formatDate(inst, date) : date
      this._dialogInput.val(date)

      this._pos = pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null
      if (!this._pos) {
        browserWidth = document.documentElement.clientWidth
        browserHeight = document.documentElement.clientHeight
        scrollX =
          document.documentElement.scrollLeft || document.body.scrollLeft
        scrollY = document.documentElement.scrollTop || document.body.scrollTop
        this._pos =
          // should use actual width/height below
          [browserWidth / 2 - 100 + scrollX, browserHeight / 2 - 150 + scrollY]
      }

      // Move input on screen for focus, but hidden behind dialog
      this._dialogInput
        .css('left', this._pos[0] + 20 + 'px')
        .css('top', this._pos[1] + 'px')
      inst.settings.onSelect = onSelect
      this._inDialog = true
      this.dpDiv.addClass(this._dialogClass)
      this._showDatepicker(this._dialogInput[0])
      if ($.blockUI) {
        $.blockUI(this.dpDiv)
      }
      $.data(this._dialogInput[0], 'datepicker', inst)
      return this
    },

    /* Detach a datepicker from its control.
     * @param  target	element - the target input field or division or span
     */
    _destroyDatepicker: function (target) {
      var nodeName,
        $target = $(target),
        inst = $.data(target, 'datepicker')

      if (!$target.hasClass(this.markerClassName)) {
        return
      }

      nodeName = target.nodeName.toLowerCase()
      $.removeData(target, 'datepicker')
      if (nodeName === 'input') {
        inst.append.remove()
        inst.trigger.remove()
        $target
          .removeClass(this.markerClassName)
          .off('focus', this._showDatepicker)
          .off('keydown', this._doKeyDown)
          .off('keypress', this._doKeyPress)
          .off('keyup', this._doKeyUp)
      } else if (nodeName === 'div' || nodeName === 'span') {
        $target.removeClass(this.markerClassName).empty()
      }

      if (datepicker_instActive === inst) {
        datepicker_instActive = null
      }
    },

    /* Enable the date picker to a jQuery selection.
     * @param  target	element - the target input field or division or span
     */
    _enableDatepicker: function (target) {
      var nodeName,
        inline,
        $target = $(target),
        inst = $.data(target, 'datepicker')

      if (!$target.hasClass(this.markerClassName)) {
        return
      }

      nodeName = target.nodeName.toLowerCase()
      if (nodeName === 'input') {
        target.disabled = false
        inst.trigger
          .filter('button')
          .each(function () {
            this.disabled = false
          })
          .end()
          .filter('img')
          .css({ opacity: '1.0', cursor: '' })
      } else if (nodeName === 'div' || nodeName === 'span') {
        inline = $target.children('.' + this._inlineClass)
        inline.children().removeClass('ui-state-disabled')
        inline
          .find('select.ui-datepicker-month, select.ui-datepicker-year')
          .prop('disabled', false)
      }
      this._disabledInputs = $.map(this._disabledInputs, function (value) {
        return value === target ? null : value
      }) // delete entry
    },

    /* Disable the date picker to a jQuery selection.
     * @param  target	element - the target input field or division or span
     */
    _disableDatepicker: function (target) {
      var nodeName,
        inline,
        $target = $(target),
        inst = $.data(target, 'datepicker')

      if (!$target.hasClass(this.markerClassName)) {
        return
      }

      nodeName = target.nodeName.toLowerCase()
      if (nodeName === 'input') {
        target.disabled = true
        inst.trigger
          .filter('button')
          .each(function () {
            this.disabled = true
          })
          .end()
          .filter('img')
          .css({ opacity: '0.5', cursor: 'default' })
      } else if (nodeName === 'div' || nodeName === 'span') {
        inline = $target.children('.' + this._inlineClass)
        inline.children().addClass('ui-state-disabled')
        inline
          .find('select.ui-datepicker-month, select.ui-datepicker-year')
          .prop('disabled', true)
      }
      this._disabledInputs = $.map(this._disabledInputs, function (value) {
        return value === target ? null : value
      }) // delete entry
      this._disabledInputs[this._disabledInputs.length] = target
    },

    /* Is the first field in a jQuery collection disabled as a datepicker?
     * @param  target	element - the target input field or division or span
     * @return boolean - true if disabled, false if enabled
     */
    _isDisabledDatepicker: function (target) {
      if (!target) {
        return false
      }
      for (var i = 0; i < this._disabledInputs.length; i++) {
        if (this._disabledInputs[i] === target) {
          return true
        }
      }
      return false
    },

    /* Retrieve the instance data for the target control.
     * @param  target  element - the target input field or division or span
     * @return  object - the associated instance data
     * @throws  error if a jQuery problem getting data
     */
    _getInst: function (target) {
      try {
        return $.data(target, 'datepicker')
      } catch (err) {
        throw 'Missing instance data for this datepicker'
      }
    },

    /* Update or retrieve the settings for a date picker attached to an input field or division.
     * @param  target  element - the target input field or division or span
     * @param  name	object - the new settings to update or
     *				string - the name of the setting to change or retrieve,
     *				when retrieving also "all" for all instance settings or
     *				"defaults" for all global defaults
     * @param  value   any - the new value for the setting
     *				(omit if above is an object or to retrieve a value)
     */
    _optionDatepicker: function (target, name, value) {
      var settings,
        date,
        minDate,
        maxDate,
        inst = this._getInst(target)

      if (arguments.length === 2 && typeof name === 'string') {
        return name === 'defaults'
          ? $.extend({}, $.datepicker._defaults)
          : inst
            ? name === 'all'
              ? $.extend({}, inst.settings)
              : this._get(inst, name)
            : null
      }

      settings = name || {}
      if (typeof name === 'string') {
        settings = {}
        settings[name] = value
      }

      if (inst) {
        if (this._curInst === inst) {
          this._hideDatepicker()
        }

        date = this._getDateDatepicker(target, true)
        minDate = this._getMinMaxDate(inst, 'min')
        maxDate = this._getMinMaxDate(inst, 'max')
        datepicker_extendRemove(inst.settings, settings)

        // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
        if (
          minDate !== null &&
          settings.dateFormat !== undefined &&
          settings.minDate === undefined
        ) {
          inst.settings.minDate = this._formatDate(inst, minDate)
        }
        if (
          maxDate !== null &&
          settings.dateFormat !== undefined &&
          settings.maxDate === undefined
        ) {
          inst.settings.maxDate = this._formatDate(inst, maxDate)
        }
        if ('disabled' in settings) {
          if (settings.disabled) {
            this._disableDatepicker(target)
          } else {
            this._enableDatepicker(target)
          }
        }
        this._attachments($(target), inst)
        this._autoSize(inst)
        this._setDate(inst, date)
        this._updateAlternate(inst)
        this._updateDatepicker(inst)
      }
    },

    // Change method deprecated
    _changeDatepicker: function (target, name, value) {
      this._optionDatepicker(target, name, value)
    },

    /* Redraw the date picker attached to an input field or division.
     * @param  target  element - the target input field or division or span
     */
    _refreshDatepicker: function (target) {
      var inst = this._getInst(target)
      if (inst) {
        this._updateDatepicker(inst)
      }
    },

    /* Set the dates for a jQuery selection.
     * @param  target element - the target input field or division or span
     * @param  date	Date - the new date
     */
    _setDateDatepicker: function (target, date) {
      var inst = this._getInst(target)
      if (inst) {
        this._setDate(inst, date)
        this._updateDatepicker(inst)
        this._updateAlternate(inst)
      }
    },

    /* Get the date(s) for the first entry in a jQuery selection.
     * @param  target element - the target input field or division or span
     * @param  noDefault boolean - true if no default date is to be used
     * @return Date - the current date
     */
    _getDateDatepicker: function (target, noDefault) {
      var inst = this._getInst(target)
      if (inst && !inst.inline) {
        this._setDateFromField(inst, noDefault)
      }
      return inst ? this._getDate(inst) : null
    },

    /* Handle keystrokes. */
    _doKeyDown: function (event) {
      var onSelect,
        dateStr,
        sel,
        inst = $.datepicker._getInst(event.target),
        handled = true,
        isRTL = inst.dpDiv.is('.ui-datepicker-rtl')

      inst._keyEvent = true
      if ($.datepicker._datepickerShowing) {
        switch (event.keyCode) {
          case 9:
            $.datepicker._hideDatepicker()
            handled = false
            break // hide on tab out
          case 13:
            sel = $(
              'td.' +
                $.datepicker._dayOverClass +
                ':not(.' +
                $.datepicker._currentClass +
                ')',
              inst.dpDiv
            )
            if (sel[0]) {
              $.datepicker._selectDay(
                event.target,
                inst.selectedMonth,
                inst.selectedYear,
                sel[0]
              )
            }

            onSelect = $.datepicker._get(inst, 'onSelect')
            if (onSelect) {
              dateStr = $.datepicker._formatDate(inst)

              // Trigger custom callback
              onSelect.apply(inst.input ? inst.input[0] : null, [dateStr, inst])
            } else {
              $.datepicker._hideDatepicker()
            }

            return false // don't submit the form
          case 27:
            $.datepicker._hideDatepicker()
            break // hide on escape
          case 33:
            $.datepicker._adjustDate(
              event.target,
              event.ctrlKey
                ? -$.datepicker._get(inst, 'stepBigMonths')
                : -$.datepicker._get(inst, 'stepMonths'),
              'M'
            )
            break // previous month/year on page up/+ ctrl
          case 34:
            $.datepicker._adjustDate(
              event.target,
              event.ctrlKey
                ? +$.datepicker._get(inst, 'stepBigMonths')
                : +$.datepicker._get(inst, 'stepMonths'),
              'M'
            )
            break // next month/year on page down/+ ctrl
          case 35:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._clearDate(event.target)
            }
            handled = event.ctrlKey || event.metaKey
            break // clear on ctrl or command +end
          case 36:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._gotoToday(event.target)
            }
            handled = event.ctrlKey || event.metaKey
            break // current on ctrl or command +home
          case 37:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, isRTL ? +1 : -1, 'D')
            }
            handled = event.ctrlKey || event.metaKey

            // -1 day on ctrl or command +left
            if (event.originalEvent.altKey) {
              $.datepicker._adjustDate(
                event.target,
                event.ctrlKey
                  ? -$.datepicker._get(inst, 'stepBigMonths')
                  : -$.datepicker._get(inst, 'stepMonths'),
                'M'
              )
            }

            // next month/year on alt +left on Mac
            break
          case 38:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, -7, 'D')
            }
            handled = event.ctrlKey || event.metaKey
            break // -1 week on ctrl or command +up
          case 39:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, isRTL ? -1 : +1, 'D')
            }
            handled = event.ctrlKey || event.metaKey

            // +1 day on ctrl or command +right
            if (event.originalEvent.altKey) {
              $.datepicker._adjustDate(
                event.target,
                event.ctrlKey
                  ? +$.datepicker._get(inst, 'stepBigMonths')
                  : +$.datepicker._get(inst, 'stepMonths'),
                'M'
              )
            }

            // next month/year on alt +right
            break
          case 40:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, +7, 'D')
            }
            handled = event.ctrlKey || event.metaKey
            break // +1 week on ctrl or command +down
          default:
            handled = false
        }
      } else if (event.keyCode === 36 && event.ctrlKey) {
        // display the date picker on ctrl+home
        $.datepicker._showDatepicker(this)
      } else {
        handled = false
      }

      if (handled) {
        event.preventDefault()
        event.stopPropagation()
      }
    },

    /* Filter entered characters - based on date format. */
    _doKeyPress: function (event) {
      var chars,
        chr,
        inst = $.datepicker._getInst(event.target)

      if ($.datepicker._get(inst, 'constrainInput')) {
        chars = $.datepicker._possibleChars(
          $.datepicker._get(inst, 'dateFormat')
        )
        chr = String.fromCharCode(
          event.charCode == null ? event.keyCode : event.charCode
        )
        return (
          event.ctrlKey ||
          event.metaKey ||
          chr < ' ' ||
          !chars ||
          chars.indexOf(chr) > -1
        )
      }
    },

    /* Synchronise manual entry and field/alternate field. */
    _doKeyUp: function (event) {
      var date,
        inst = $.datepicker._getInst(event.target)

      if (inst.input.val() !== inst.lastVal) {
        try {
          date = $.datepicker.parseDate(
            $.datepicker._get(inst, 'dateFormat'),
            inst.input ? inst.input.val() : null,
            $.datepicker._getFormatConfig(inst)
          )

          if (date) {
            // only if valid
            $.datepicker._setDateFromField(inst)
            $.datepicker._updateAlternate(inst)
            $.datepicker._updateDatepicker(inst)
          }
        } catch (err) {}
      }
      return true
    },

    /* Pop-up the date picker for a given input field.
     * If false returned from beforeShow event handler do not show.
     * @param  input  element - the input field attached to the date picker or
     *					event - if triggered by focus
     */
    _showDatepicker: function (input) {
      input = input.target || input
      if (input.nodeName.toLowerCase() !== 'input') {
        // find from button/image trigger
        input = $('input', input.parentNode)[0]
      }

      if (
        $.datepicker._isDisabledDatepicker(input) ||
        $.datepicker._lastInput === input
      ) {
        // already here
        return
      }

      var inst,
        beforeShow,
        beforeShowSettings,
        isFixed,
        offset,
        showAnim,
        duration

      inst = $.datepicker._getInst(input)
      if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
        $.datepicker._curInst.dpDiv.stop(true, true)
        if (inst && $.datepicker._datepickerShowing) {
          $.datepicker._hideDatepicker($.datepicker._curInst.input[0])
        }
      }

      beforeShow = $.datepicker._get(inst, 'beforeShow')
      beforeShowSettings = beforeShow
        ? beforeShow.apply(input, [input, inst])
        : {}
      if (beforeShowSettings === false) {
        return
      }
      datepicker_extendRemove(inst.settings, beforeShowSettings)

      inst.lastVal = null
      $.datepicker._lastInput = input
      $.datepicker._setDateFromField(inst)

      if ($.datepicker._inDialog) {
        // hide cursor
        input.value = ''
      }
      if (!$.datepicker._pos) {
        // position below input
        $.datepicker._pos = $.datepicker._findPos(input)
        $.datepicker._pos[1] += input.offsetHeight // add the height
      }

      isFixed = false
      $(input)
        .parents()
        .each(function () {
          isFixed |= $(this).css('position') === 'fixed'
          return !isFixed
        })

      offset = { left: $.datepicker._pos[0], top: $.datepicker._pos[1] }
      $.datepicker._pos = null

      //to avoid flashes on Firefox
      inst.dpDiv.empty()

      // determine sizing offscreen
      inst.dpDiv.css({ position: 'absolute', display: 'block', top: '-1000px' })
      $.datepicker._updateDatepicker(inst)

      // fix width for dynamic number of date pickers
      // and adjust position before showing
      offset = $.datepicker._checkOffset(inst, offset, isFixed)
      inst.dpDiv.css({
        position:
          $.datepicker._inDialog && $.blockUI
            ? 'static'
            : isFixed
              ? 'fixed'
              : 'absolute',
        display: 'none',
        left: offset.left + 'px',
        top: offset.top + 'px',
      })

      if (!inst.inline) {
        showAnim = $.datepicker._get(inst, 'showAnim')
        duration = $.datepicker._get(inst, 'duration')
        inst.dpDiv.css('z-index', datepicker_getZindex($(input)) + 1)
        $.datepicker._datepickerShowing = true

        if ($.effects && $.effects.effect[showAnim]) {
          inst.dpDiv.show(
            showAnim,
            $.datepicker._get(inst, 'showOptions'),
            duration
          )
        } else {
          inst.dpDiv[showAnim || 'show'](showAnim ? duration : null)
        }

        if ($.datepicker._shouldFocusInput(inst)) {
          inst.input.trigger('focus')
        }

        $.datepicker._curInst = inst
      }
    },

    /* Generate the date picker content. */
    _updateDatepicker: function (inst) {
      this.maxRows = 4 //Reset the max number of rows being displayed (see #7043)
      datepicker_instActive = inst // for delegate hover events
      inst.dpDiv.empty().append(this._generateHTML(inst))
      this._attachHandlers(inst)

      var origyearshtml,
        numMonths = this._getNumberOfMonths(inst),
        cols = numMonths[1],
        width = 17,
        activeCell = inst.dpDiv.find('.' + this._dayOverClass + ' a')

      if (activeCell.length > 0) {
        datepicker_handleMouseover.apply(activeCell.get(0))
      }

      inst.dpDiv
        .removeClass(
          'ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4'
        )
        .width('')
      if (cols > 1) {
        inst.dpDiv
          .addClass('ui-datepicker-multi-' + cols)
          .css('width', width * cols + 'em')
      }
      inst.dpDiv[
        (numMonths[0] !== 1 || numMonths[1] !== 1 ? 'add' : 'remove') + 'Class'
      ]('ui-datepicker-multi')
      inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') + 'Class'](
        'ui-datepicker-rtl'
      )

      if (
        inst === $.datepicker._curInst &&
        $.datepicker._datepickerShowing &&
        $.datepicker._shouldFocusInput(inst)
      ) {
        inst.input.trigger('focus')
      }

      // Deffered render of the years select (to avoid flashes on Firefox)
      if (inst.yearshtml) {
        origyearshtml = inst.yearshtml
        setTimeout(function () {
          //assure that inst.yearshtml didn't change.
          if (origyearshtml === inst.yearshtml && inst.yearshtml) {
            inst.dpDiv
              .find('select.ui-datepicker-year:first')
              .replaceWith(inst.yearshtml)
          }
          origyearshtml = inst.yearshtml = null
        }, 0)
      }
    },

    // #6694 - don't focus the input if it's already focused
    // this breaks the change event in IE
    // Support: IE and jQuery <1.9
    _shouldFocusInput: function (inst) {
      return (
        inst.input &&
        inst.input.is(':visible') &&
        !inst.input.is(':disabled') &&
        !inst.input.is(':focus')
      )
    },

    /* Check positioning to remain on screen. */
    _checkOffset: function (inst, offset, isFixed) {
      var dpWidth = inst.dpDiv.outerWidth(),
        dpHeight = inst.dpDiv.outerHeight(),
        inputWidth = inst.input ? inst.input.outerWidth() : 0,
        inputHeight = inst.input ? inst.input.outerHeight() : 0,
        viewWidth =
          document.documentElement.clientWidth +
          (isFixed ? 0 : $(document).scrollLeft()),
        viewHeight =
          document.documentElement.clientHeight +
          (isFixed ? 0 : $(document).scrollTop())

      offset.left -= this._get(inst, 'isRTL') ? dpWidth - inputWidth : 0
      offset.left -=
        isFixed && offset.left === inst.input.offset().left
          ? $(document).scrollLeft()
          : 0
      offset.top -=
        isFixed && offset.top === inst.input.offset().top + inputHeight
          ? $(document).scrollTop()
          : 0

      // Now check if datepicker is showing outside window viewport - move to a better place if so.
      offset.left -= Math.min(
        offset.left,
        offset.left + dpWidth > viewWidth && viewWidth > dpWidth
          ? Math.abs(offset.left + dpWidth - viewWidth)
          : 0
      )
      offset.top -= Math.min(
        offset.top,
        offset.top + dpHeight > viewHeight && viewHeight > dpHeight
          ? Math.abs(dpHeight + inputHeight)
          : 0
      )

      return offset
    },

    /* Find an object's position on the screen. */
    _findPos: function (obj) {
      var position,
        inst = this._getInst(obj),
        isRTL = this._get(inst, 'isRTL')

      while (
        obj &&
        (obj.type === 'hidden' ||
          obj.nodeType !== 1 ||
          $.expr.filters.hidden(obj))
      ) {
        obj = obj[isRTL ? 'previousSibling' : 'nextSibling']
      }

      position = $(obj).offset()
      return [position.left, position.top]
    },

    /* Hide the date picker from view.
     * @param  input  element - the input field attached to the date picker
     */
    _hideDatepicker: function (input) {
      var showAnim,
        duration,
        postProcess,
        onClose,
        inst = this._curInst

      if (!inst || (input && inst !== $.data(input, 'datepicker'))) {
        return
      }

      if (this._datepickerShowing) {
        showAnim = this._get(inst, 'showAnim')
        duration = this._get(inst, 'duration')
        postProcess = function () {
          $.datepicker._tidyDialog(inst)
        }

        // DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
        if ($.effects && ($.effects.effect[showAnim] || $.effects[showAnim])) {
          inst.dpDiv.hide(
            showAnim,
            $.datepicker._get(inst, 'showOptions'),
            duration,
            postProcess
          )
        } else {
          inst.dpDiv[
            showAnim === 'slideDown'
              ? 'slideUp'
              : showAnim === 'fadeIn'
                ? 'fadeOut'
                : 'hide'
          ](showAnim ? duration : null, postProcess)
        }

        if (!showAnim) {
          postProcess()
        }
        this._datepickerShowing = false

        onClose = this._get(inst, 'onClose')
        if (onClose) {
          onClose.apply(inst.input ? inst.input[0] : null, [
            inst.input ? inst.input.val() : '',
            inst,
          ])
        }

        this._lastInput = null
        if (this._inDialog) {
          this._dialogInput.css({
            position: 'absolute',
            left: '0',
            top: '-100px',
          })
          if ($.blockUI) {
            $.unblockUI()
            $('body').append(this.dpDiv)
          }
        }
        this._inDialog = false
      }
    },

    /* Tidy up after a dialog display. */
    _tidyDialog: function (inst) {
      inst.dpDiv.removeClass(this._dialogClass).off('.ui-datepicker-calendar')
    },

    /* Close date picker if clicked elsewhere. */
    _checkExternalClick: function (event) {
      if (!$.datepicker._curInst) {
        return
      }

      var $target = $(event.target),
        inst = $.datepicker._getInst($target[0])

      if (
        ($target[0].id !== $.datepicker._mainDivId &&
          $target.parents('#' + $.datepicker._mainDivId).length === 0 &&
          !$target.hasClass($.datepicker.markerClassName) &&
          !$target.closest('.' + $.datepicker._triggerClass).length &&
          $.datepicker._datepickerShowing &&
          !($.datepicker._inDialog && $.blockUI)) ||
        ($target.hasClass($.datepicker.markerClassName) &&
          $.datepicker._curInst !== inst)
      ) {
        $.datepicker._hideDatepicker()
      }
    },

    /* Adjust one of the date sub-fields. */
    _adjustDate: function (id, offset, period) {
      var target = $(id),
        inst = this._getInst(target[0])

      if (this._isDisabledDatepicker(target[0])) {
        return
      }
      this._adjustInstDate(
        inst,
        offset + (period === 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
        period
      )
      this._updateDatepicker(inst)
    },

    /* Action for current link. */
    _gotoToday: function (id) {
      var date,
        target = $(id),
        inst = this._getInst(target[0])

      if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
        inst.selectedDay = inst.currentDay
        inst.drawMonth = inst.selectedMonth = inst.currentMonth
        inst.drawYear = inst.selectedYear = inst.currentYear
      } else {
        date = new Date()
        inst.selectedDay = date.getDate()
        inst.drawMonth = inst.selectedMonth = date.getMonth()
        inst.drawYear = inst.selectedYear = date.getFullYear()
      }
      this._notifyChange(inst)
      this._adjustDate(target)
    },

    /* Action for selecting a new month/year. */
    _selectMonthYear: function (id, select, period) {
      var target = $(id),
        inst = this._getInst(target[0])

      inst['selected' + (period === 'M' ? 'Month' : 'Year')] = inst[
        'draw' + (period === 'M' ? 'Month' : 'Year')
      ] = parseInt(select.options[select.selectedIndex].value, 10)

      this._notifyChange(inst)
      this._adjustDate(target)
    },

    /* Action for selecting a day. */
    _selectDay: function (id, month, year, td) {
      var inst,
        target = $(id)

      if (
        $(td).hasClass(this._unselectableClass) ||
        this._isDisabledDatepicker(target[0])
      ) {
        return
      }

      inst = this._getInst(target[0])
      inst.selectedDay = inst.currentDay = $('a', td).html()
      inst.selectedMonth = inst.currentMonth = month
      inst.selectedYear = inst.currentYear = year
      this._selectDate(
        id,
        this._formatDate(
          inst,
          inst.currentDay,
          inst.currentMonth,
          inst.currentYear
        )
      )
    },

    /* Erase the input field and hide the date picker. */
    _clearDate: function (id) {
      var target = $(id)
      this._selectDate(target, '')
    },

    /* Update the input field with the selected date. */
    _selectDate: function (id, dateStr) {
      var onSelect,
        target = $(id),
        inst = this._getInst(target[0])

      dateStr = dateStr != null ? dateStr : this._formatDate(inst)
      if (inst.input) {
        inst.input.val(dateStr)
      }
      this._updateAlternate(inst)

      onSelect = this._get(inst, 'onSelect')
      if (onSelect) {
        onSelect.apply(inst.input ? inst.input[0] : null, [dateStr, inst]) // trigger custom callback
      } else if (inst.input) {
        inst.input.trigger('change') // fire the change event
      }

      if (inst.inline) {
        this._updateDatepicker(inst)
      } else {
        this._hideDatepicker()
        this._lastInput = inst.input[0]
        if (typeof inst.input[0] !== 'object') {
          inst.input.trigger('focus') // restore focus
        }
        this._lastInput = null
      }
    },

    /* Update any alternate field to synchronise with the main field. */
    _updateAlternate: function (inst) {
      var altFormat,
        date,
        dateStr,
        altField = this._get(inst, 'altField')

      if (altField) {
        // update alternate field too
        altFormat =
          this._get(inst, 'altFormat') || this._get(inst, 'dateFormat')
        date = this._getDate(inst)
        dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst))
        $(altField).val(dateStr)
      }
    },

    /* Set as beforeShowDay function to prevent selection of weekends.
     * @param  date  Date - the date to customise
     * @return [boolean, string] - is this date selectable?, what is its CSS class?
     */
    noWeekends: function (date) {
      var day = date.getDay()
      return [day > 0 && day < 6, '']
    },

    /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
     * @param  date  Date - the date to get the week for
     * @return  number - the number of the week within the year that contains this date
     */
    iso8601Week: function (date) {
      var time,
        checkDate = new Date(date.getTime())

      // Find Thursday of this week starting on Monday
      checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7))

      time = checkDate.getTime()
      checkDate.setMonth(0) // Compare with Jan 1
      checkDate.setDate(1)
      return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1
    },

    /* Parse a string value into a date object.
     * See formatDate below for the possible formats.
     *
     * @param  format string - the expected format of the date
     * @param  value string - the date in the above format
     * @param  settings Object - attributes include:
     *					shortYearCutoff  number - the cutoff year for determining the century (optional)
     *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
     *					dayNames		string[7] - names of the days from Sunday (optional)
     *					monthNamesShort string[12] - abbreviated names of the months (optional)
     *					monthNames		string[12] - names of the months (optional)
     * @return  Date - the extracted date value or null if value is blank
     */
    parseDate: function (format, value, settings) {
      if (format == null || value == null) {
        throw 'Invalid arguments'
      }

      value = typeof value === 'object' ? value.toString() : value + ''
      if (value === '') {
        return null
      }

      var iFormat,
        dim,
        extra,
        iValue = 0,
        shortYearCutoffTemp =
          (settings ? settings.shortYearCutoff : null) ||
          this._defaults.shortYearCutoff,
        shortYearCutoff =
          typeof shortYearCutoffTemp !== 'string'
            ? shortYearCutoffTemp
            : (new Date().getFullYear() % 100) +
              parseInt(shortYearCutoffTemp, 10),
        dayNamesShort =
          (settings ? settings.dayNamesShort : null) ||
          this._defaults.dayNamesShort,
        dayNames =
          (settings ? settings.dayNames : null) || this._defaults.dayNames,
        monthNamesShort =
          (settings ? settings.monthNamesShort : null) ||
          this._defaults.monthNamesShort,
        monthNames =
          (settings ? settings.monthNames : null) || this._defaults.monthNames,
        year = -1,
        month = -1,
        day = -1,
        doy = -1,
        literal = false,
        date,
        // Check whether a format character is doubled
        lookAhead = function (match) {
          var matches =
            iFormat + 1 < format.length && format.charAt(iFormat + 1) === match
          if (matches) {
            iFormat++
          }
          return matches
        },
        // Extract a number from the string value
        getNumber = function (match) {
          var isDoubled = lookAhead(match),
            size =
              match === '@'
                ? 14
                : match === '!'
                  ? 20
                  : match === 'y' && isDoubled
                    ? 4
                    : match === 'o'
                      ? 3
                      : 2,
            minSize = match === 'y' ? size : 1,
            digits = new RegExp('^\\d{' + minSize + ',' + size + '}'),
            num = value.substring(iValue).match(digits)
          if (!num) {
            throw 'Missing number at position ' + iValue
          }
          iValue += num[0].length
          return parseInt(num[0], 10)
        },
        // Extract a name from the string value and convert to an index
        getName = function (match, shortNames, longNames) {
          var index = -1,
            names = $.map(
              lookAhead(match) ? longNames : shortNames,
              function (v, k) {
                return [[k, v]]
              }
            ).sort(function (a, b) {
              return -(a[1].length - b[1].length)
            })

          $.each(names, function (i, pair) {
            var name = pair[1]
            if (
              value.substr(iValue, name.length).toLowerCase() ===
              name.toLowerCase()
            ) {
              index = pair[0]
              iValue += name.length
              return false
            }
          })
          if (index !== -1) {
            return index + 1
          } else {
            throw 'Unknown name at position ' + iValue
          }
        },
        // Confirm that a literal character matches the string value
        checkLiteral = function () {
          if (value.charAt(iValue) !== format.charAt(iFormat)) {
            throw 'Unexpected literal at position ' + iValue
          }
          iValue++
        }

      for (iFormat = 0; iFormat < format.length; iFormat++) {
        if (literal) {
          if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
            literal = false
          } else {
            checkLiteral()
          }
        } else {
          switch (format.charAt(iFormat)) {
            case 'd':
              day = getNumber('d')
              break
            case 'D':
              getName('D', dayNamesShort, dayNames)
              break
            case 'o':
              doy = getNumber('o')
              break
            case 'm':
              month = getNumber('m')
              break
            case 'M':
              month = getName('M', monthNamesShort, monthNames)
              break
            case 'y':
              year = getNumber('y')
              break
            case '@':
              date = new Date(getNumber('@'))
              year = date.getFullYear()
              month = date.getMonth() + 1
              day = date.getDate()
              break
            case '!':
              date = new Date((getNumber('!') - this._ticksTo1970) / 10000)
              year = date.getFullYear()
              month = date.getMonth() + 1
              day = date.getDate()
              break
            case "'":
              if (lookAhead("'")) {
                checkLiteral()
              } else {
                literal = true
              }
              break
            default:
              checkLiteral()
          }
        }
      }

      if (iValue < value.length) {
        extra = value.substr(iValue)
        if (!/^\s+/.test(extra)) {
          throw 'Extra/unparsed characters found in date: ' + extra
        }
      }

      if (year === -1) {
        year = new Date().getFullYear()
      } else if (year < 100) {
        year +=
          new Date().getFullYear() -
          (new Date().getFullYear() % 100) +
          (year <= shortYearCutoff ? 0 : -100)
      }

      if (doy > -1) {
        month = 1
        day = doy
        do {
          dim = this._getDaysInMonth(year, month - 1)
          if (day <= dim) {
            break
          }
          month++
          day -= dim
        } while (true)
      }

      date = this._daylightSavingAdjust(new Date(year, month - 1, day))
      if (
        date.getFullYear() !== year ||
        date.getMonth() + 1 !== month ||
        date.getDate() !== day
      ) {
        throw 'Invalid date' // E.g. 31/02/00
      }
      return date
    },

    /* Standard date formats. */
    ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
    COOKIE: 'D, dd M yy',
    ISO_8601: 'yy-mm-dd',
    RFC_822: 'D, d M y',
    RFC_850: 'DD, dd-M-y',
    RFC_1036: 'D, d M y',
    RFC_1123: 'D, d M yy',
    RFC_2822: 'D, d M yy',
    RSS: 'D, d M y', // RFC 822
    TICKS: '!',
    TIMESTAMP: '@',
    W3C: 'yy-mm-dd', // ISO 8601

    _ticksTo1970:
      ((1970 - 1) * 365 +
        Math.floor(1970 / 4) -
        Math.floor(1970 / 100) +
        Math.floor(1970 / 400)) *
      24 *
      60 *
      60 *
      10000000,

    /* Format a date object into a string value.
     * The format can be combinations of the following:
     * d  - day of month (no leading zero)
     * dd - day of month (two digit)
     * o  - day of year (no leading zeros)
     * oo - day of year (three digit)
     * D  - day name short
     * DD - day name long
     * m  - month of year (no leading zero)
     * mm - month of year (two digit)
     * M  - month name short
     * MM - month name long
     * y  - year (two digit)
     * yy - year (four digit)
     * @ - Unix timestamp (ms since 01/01/1970)
     * ! - Windows ticks (100ns since 01/01/0001)
     * "..." - literal text
     * '' - single quote
     *
     * @param  format string - the desired format of the date
     * @param  date Date - the date value to format
     * @param  settings Object - attributes include:
     *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
     *					dayNames		string[7] - names of the days from Sunday (optional)
     *					monthNamesShort string[12] - abbreviated names of the months (optional)
     *					monthNames		string[12] - names of the months (optional)
     * @return  string - the date in the above format
     */
    formatDate: function (format, date, settings) {
      if (!date) {
        return ''
      }

      var iFormat,
        dayNamesShort =
          (settings ? settings.dayNamesShort : null) ||
          this._defaults.dayNamesShort,
        dayNames =
          (settings ? settings.dayNames : null) || this._defaults.dayNames,
        monthNamesShort =
          (settings ? settings.monthNamesShort : null) ||
          this._defaults.monthNamesShort,
        monthNames =
          (settings ? settings.monthNames : null) || this._defaults.monthNames,
        // Check whether a format character is doubled
        lookAhead = function (match) {
          var matches =
            iFormat + 1 < format.length && format.charAt(iFormat + 1) === match
          if (matches) {
            iFormat++
          }
          return matches
        },
        // Format a number, with leading zero if necessary
        formatNumber = function (match, value, len) {
          var num = '' + value
          if (lookAhead(match)) {
            while (num.length < len) {
              num = '0' + num
            }
          }
          return num
        },
        // Format a name, short or long as requested
        formatName = function (match, value, shortNames, longNames) {
          return lookAhead(match) ? longNames[value] : shortNames[value]
        },
        output = '',
        literal = false

      if (date) {
        for (iFormat = 0; iFormat < format.length; iFormat++) {
          if (literal) {
            if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
              literal = false
            } else {
              output += format.charAt(iFormat)
            }
          } else {
            switch (format.charAt(iFormat)) {
              case 'd':
                output += formatNumber('d', date.getDate(), 2)
                break
              case 'D':
                output += formatName(
                  'D',
                  date.getDay(),
                  dayNamesShort,
                  dayNames
                )
                break
              case 'o':
                output += formatNumber(
                  'o',
                  Math.round(
                    (new Date(
                      date.getFullYear(),
                      date.getMonth(),
                      date.getDate()
                    ).getTime() -
                      new Date(date.getFullYear(), 0, 0).getTime()) /
                      86400000
                  ),
                  3
                )
                break
              case 'm':
                output += formatNumber('m', date.getMonth() + 1, 2)
                break
              case 'M':
                output += formatName(
                  'M',
                  date.getMonth(),
                  monthNamesShort,
                  monthNames
                )
                break
              case 'y':
                output += lookAhead('y')
                  ? date.getFullYear()
                  : (date.getFullYear() % 100 < 10 ? '0' : '') +
                    (date.getFullYear() % 100)
                break
              case '@':
                output += date.getTime()
                break
              case '!':
                output += date.getTime() * 10000 + this._ticksTo1970
                break
              case "'":
                if (lookAhead("'")) {
                  output += "'"
                } else {
                  literal = true
                }
                break
              default:
                output += format.charAt(iFormat)
            }
          }
        }
      }
      return output
    },

    /* Extract all possible characters from the date format. */
    _possibleChars: function (format) {
      var iFormat,
        chars = '',
        literal = false,
        // Check whether a format character is doubled
        lookAhead = function (match) {
          var matches =
            iFormat + 1 < format.length && format.charAt(iFormat + 1) === match
          if (matches) {
            iFormat++
          }
          return matches
        }

      for (iFormat = 0; iFormat < format.length; iFormat++) {
        if (literal) {
          if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
            literal = false
          } else {
            chars += format.charAt(iFormat)
          }
        } else {
          switch (format.charAt(iFormat)) {
            case 'd':
            case 'm':
            case 'y':
            case '@':
              chars += '0123456789'
              break
            case 'D':
            case 'M':
              return null // Accept anything
            case "'":
              if (lookAhead("'")) {
                chars += "'"
              } else {
                literal = true
              }
              break
            default:
              chars += format.charAt(iFormat)
          }
        }
      }
      return chars
    },

    /* Get a setting value, defaulting if necessary. */
    _get: function (inst, name) {
      return inst.settings[name] !== undefined
        ? inst.settings[name]
        : this._defaults[name]
    },

    /* Parse existing date and initialise date picker. */
    _setDateFromField: function (inst, noDefault) {
      if (inst.input.val() === inst.lastVal) {
        return
      }

      var dateFormat = this._get(inst, 'dateFormat'),
        dates = (inst.lastVal = inst.input ? inst.input.val() : null),
        defaultDate = this._getDefaultDate(inst),
        date = defaultDate,
        settings = this._getFormatConfig(inst)

      try {
        date = this.parseDate(dateFormat, dates, settings) || defaultDate
      } catch (event) {
        dates = noDefault ? '' : dates
      }
      inst.selectedDay = date.getDate()
      inst.drawMonth = inst.selectedMonth = date.getMonth()
      inst.drawYear = inst.selectedYear = date.getFullYear()
      inst.currentDay = dates ? date.getDate() : 0
      inst.currentMonth = dates ? date.getMonth() : 0
      inst.currentYear = dates ? date.getFullYear() : 0
      this._adjustInstDate(inst)
    },

    /* Retrieve the default date shown on opening. */
    _getDefaultDate: function (inst) {
      return this._restrictMinMax(
        inst,
        this._determineDate(inst, this._get(inst, 'defaultDate'), new Date())
      )
    },

    /* A date may be specified as an exact value or a relative one. */
    _determineDate: function (inst, date, defaultDate) {
      var offsetNumeric = function (offset) {
          var date = new Date()
          date.setDate(date.getDate() + offset)
          return date
        },
        offsetString = function (offset) {
          try {
            return $.datepicker.parseDate(
              $.datepicker._get(inst, 'dateFormat'),
              offset,
              $.datepicker._getFormatConfig(inst)
            )
          } catch (e) {
            // Ignore
          }

          var date =
              (offset.toLowerCase().match(/^c/)
                ? $.datepicker._getDate(inst)
                : null) || new Date(),
            year = date.getFullYear(),
            month = date.getMonth(),
            day = date.getDate(),
            pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
            matches = pattern.exec(offset)

          while (matches) {
            switch (matches[2] || 'd') {
              case 'd':
              case 'D':
                day += parseInt(matches[1], 10)
                break
              case 'w':
              case 'W':
                day += parseInt(matches[1], 10) * 7
                break
              case 'm':
              case 'M':
                month += parseInt(matches[1], 10)
                day = Math.min(day, $.datepicker._getDaysInMonth(year, month))
                break
              case 'y':
              case 'Y':
                year += parseInt(matches[1], 10)
                day = Math.min(day, $.datepicker._getDaysInMonth(year, month))
                break
            }
            matches = pattern.exec(offset)
          }
          return new Date(year, month, day)
        },
        newDate =
          date == null || date === ''
            ? defaultDate
            : typeof date === 'string'
              ? offsetString(date)
              : typeof date === 'number'
                ? isNaN(date)
                  ? defaultDate
                  : offsetNumeric(date)
                : new Date(date.getTime())

      newDate =
        newDate && newDate.toString() === 'Invalid Date' ? defaultDate : newDate
      if (newDate) {
        newDate.setHours(0)
        newDate.setMinutes(0)
        newDate.setSeconds(0)
        newDate.setMilliseconds(0)
      }
      return this._daylightSavingAdjust(newDate)
    },

    /* Handle switch to/from daylight saving.
     * Hours may be non-zero on daylight saving cut-over:
     * > 12 when midnight changeover, but then cannot generate
     * midnight datetime, so jump to 1AM, otherwise reset.
     * @param  date  (Date) the date to check
     * @return  (Date) the corrected date
     */
    _daylightSavingAdjust: function (date) {
      if (!date) {
        return null
      }
      date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0)
      return date
    },

    /* Set the date(s) directly. */
    _setDate: function (inst, date, noChange) {
      var clear = !date,
        origMonth = inst.selectedMonth,
        origYear = inst.selectedYear,
        newDate = this._restrictMinMax(
          inst,
          this._determineDate(inst, date, new Date())
        )

      inst.selectedDay = inst.currentDay = newDate.getDate()
      inst.drawMonth =
        inst.selectedMonth =
        inst.currentMonth =
          newDate.getMonth()
      inst.drawYear =
        inst.selectedYear =
        inst.currentYear =
          newDate.getFullYear()
      if (
        (origMonth !== inst.selectedMonth || origYear !== inst.selectedYear) &&
        !noChange
      ) {
        this._notifyChange(inst)
      }
      this._adjustInstDate(inst)
      if (inst.input) {
        inst.input.val(clear ? '' : this._formatDate(inst))
      }
    },

    /* Retrieve the date(s) directly. */
    _getDate: function (inst) {
      var startDate =
        !inst.currentYear || (inst.input && inst.input.val() === '')
          ? null
          : this._daylightSavingAdjust(
              new Date(inst.currentYear, inst.currentMonth, inst.currentDay)
            )
      return startDate
    },

    /* Attach the onxxx handlers.  These are declared statically so
     * they work with static code transformers like Caja.
     */
    _attachHandlers: function (inst) {
      var stepMonths = this._get(inst, 'stepMonths'),
        id = '#' + inst.id.replace(/\\\\/g, '\\')
      inst.dpDiv.find('[data-handler]').map(function () {
        var handler = {
          prev: function () {
            $.datepicker._adjustDate(id, -stepMonths, 'M')
          },
          next: function () {
            $.datepicker._adjustDate(id, +stepMonths, 'M')
          },
          hide: function () {
            $.datepicker._hideDatepicker()
          },
          today: function () {
            $.datepicker._gotoToday(id)
          },
          selectDay: function () {
            $.datepicker._selectDay(
              id,
              +this.getAttribute('data-month'),
              +this.getAttribute('data-year'),
              this
            )
            return false
          },
          selectMonth: function () {
            $.datepicker._selectMonthYear(id, this, 'M')
            return false
          },
          selectYear: function () {
            $.datepicker._selectMonthYear(id, this, 'Y')
            return false
          },
        }
        $(this).on(
          this.getAttribute('data-event'),
          handler[this.getAttribute('data-handler')]
        )
      })
    },

    /* Generate the HTML for the current state of the date picker. */
    _generateHTML: function (inst) {
      var maxDraw,
        prevText,
        prev,
        nextText,
        next,
        currentText,
        gotoDate,
        controls,
        buttonPanel,
        firstDay,
        showWeek,
        dayNames,
        dayNamesMin,
        monthNames,
        monthNamesShort,
        beforeShowDay,
        showOtherMonths,
        selectOtherMonths,
        defaultDate,
        html,
        dow,
        row,
        group,
        col,
        selectedDate,
        cornerClass,
        calender,
        thead,
        day,
        daysInMonth,
        leadDays,
        curRows,
        numRows,
        printDate,
        dRow,
        tbody,
        daySettings,
        otherMonth,
        unselectable,
        tempDate = new Date(),
        today = this._daylightSavingAdjust(
          new Date(
            tempDate.getFullYear(),
            tempDate.getMonth(),
            tempDate.getDate()
          )
        ), // clear time
        isRTL = this._get(inst, 'isRTL'),
        showButtonPanel = this._get(inst, 'showButtonPanel'),
        hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext'),
        navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat'),
        numMonths = this._getNumberOfMonths(inst),
        showCurrentAtPos = this._get(inst, 'showCurrentAtPos'),
        stepMonths = this._get(inst, 'stepMonths'),
        isMultiMonth = numMonths[0] !== 1 || numMonths[1] !== 1,
        currentDate = this._daylightSavingAdjust(
          !inst.currentDay
            ? new Date(9999, 9, 9)
            : new Date(inst.currentYear, inst.currentMonth, inst.currentDay)
        ),
        minDate = this._getMinMaxDate(inst, 'min'),
        maxDate = this._getMinMaxDate(inst, 'max'),
        drawMonth = inst.drawMonth - showCurrentAtPos,
        drawYear = inst.drawYear

      if (drawMonth < 0) {
        drawMonth += 12
        drawYear--
      }
      if (maxDate) {
        maxDraw = this._daylightSavingAdjust(
          new Date(
            maxDate.getFullYear(),
            maxDate.getMonth() - numMonths[0] * numMonths[1] + 1,
            maxDate.getDate()
          )
        )
        maxDraw = minDate && maxDraw < minDate ? minDate : maxDraw
        while (
          this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw
        ) {
          drawMonth--
          if (drawMonth < 0) {
            drawMonth = 11
            drawYear--
          }
        }
      }
      inst.drawMonth = drawMonth
      inst.drawYear = drawYear

      prevText = this._get(inst, 'prevText')
      prevText = !navigationAsDateFormat
        ? prevText
        : this.formatDate(
            prevText,
            this._daylightSavingAdjust(
              new Date(drawYear, drawMonth - stepMonths, 1)
            ),
            this._getFormatConfig(inst)
          )

      prev = this._canAdjustMonth(inst, -1, drawYear, drawMonth)
        ? "<a class='ui-datepicker-prev ui-corner-all' data-handler='prev' data-event='click'" +
          " title='" +
          prevText +
          "'><span class='ui-icon ui-icon-circle-triangle-" +
          (isRTL ? 'e' : 'w') +
          "'>" +
          prevText +
          '</span></a>'
        : hideIfNoPrevNext
          ? ''
          : "<a class='ui-datepicker-prev ui-corner-all ui-state-disabled' title='" +
            prevText +
            "'><span class='ui-icon ui-icon-circle-triangle-" +
            (isRTL ? 'e' : 'w') +
            "'>" +
            prevText +
            '</span></a>'

      nextText = this._get(inst, 'nextText')
      nextText = !navigationAsDateFormat
        ? nextText
        : this.formatDate(
            nextText,
            this._daylightSavingAdjust(
              new Date(drawYear, drawMonth + stepMonths, 1)
            ),
            this._getFormatConfig(inst)
          )

      next = this._canAdjustMonth(inst, +1, drawYear, drawMonth)
        ? "<a class='ui-datepicker-next ui-corner-all' data-handler='next' data-event='click'" +
          " title='" +
          nextText +
          "'><span class='ui-icon ui-icon-circle-triangle-" +
          (isRTL ? 'w' : 'e') +
          "'>" +
          nextText +
          '</span></a>'
        : hideIfNoPrevNext
          ? ''
          : "<a class='ui-datepicker-next ui-corner-all ui-state-disabled' title='" +
            nextText +
            "'><span class='ui-icon ui-icon-circle-triangle-" +
            (isRTL ? 'w' : 'e') +
            "'>" +
            nextText +
            '</span></a>'

      currentText = this._get(inst, 'currentText')
      gotoDate =
        this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today
      currentText = !navigationAsDateFormat
        ? currentText
        : this.formatDate(currentText, gotoDate, this._getFormatConfig(inst))

      controls = !inst.inline
        ? "<button type='button' class='ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all' data-handler='hide' data-event='click'>" +
          this._get(inst, 'closeText') +
          '</button>'
        : ''

      buttonPanel = showButtonPanel
        ? "<div class='ui-datepicker-buttonpane ui-widget-content'>" +
          (isRTL ? controls : '') +
          (this._isInRange(inst, gotoDate)
            ? "<button type='button' class='ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all' data-handler='today' data-event='click'" +
              '>' +
              currentText +
              '</button>'
            : '') +
          (isRTL ? '' : controls) +
          '</div>'
        : ''

      firstDay = parseInt(this._get(inst, 'firstDay'), 10)
      firstDay = isNaN(firstDay) ? 0 : firstDay

      showWeek = this._get(inst, 'showWeek')
      dayNames = this._get(inst, 'dayNames')
      dayNamesMin = this._get(inst, 'dayNamesMin')
      monthNames = this._get(inst, 'monthNames')
      monthNamesShort = this._get(inst, 'monthNamesShort')
      beforeShowDay = this._get(inst, 'beforeShowDay')
      showOtherMonths = this._get(inst, 'showOtherMonths')
      selectOtherMonths = this._get(inst, 'selectOtherMonths')
      defaultDate = this._getDefaultDate(inst)
      html = ''

      for (row = 0; row < numMonths[0]; row++) {
        group = ''
        this.maxRows = 4
        for (col = 0; col < numMonths[1]; col++) {
          selectedDate = this._daylightSavingAdjust(
            new Date(drawYear, drawMonth, inst.selectedDay)
          )
          cornerClass = ' ui-corner-all'
          calender = ''
          if (isMultiMonth) {
            calender += "<div class='ui-datepicker-group"
            if (numMonths[1] > 1) {
              switch (col) {
                case 0:
                  calender += ' ui-datepicker-group-first'
                  cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left')
                  break
                case numMonths[1] - 1:
                  calender += ' ui-datepicker-group-last'
                  cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right')
                  break
                default:
                  calender += ' ui-datepicker-group-middle'
                  cornerClass = ''
                  break
              }
            }
            calender += "'>"
          }
          calender +=
            "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" +
            cornerClass +
            "'>" +
            (/all|left/.test(cornerClass) && row === 0
              ? isRTL
                ? next
                : prev
              : '') +
            (/all|right/.test(cornerClass) && row === 0
              ? isRTL
                ? prev
                : next
              : '') +
            this._generateMonthYearHeader(
              inst,
              drawMonth,
              drawYear,
              minDate,
              maxDate,
              row > 0 || col > 0,
              monthNames,
              monthNamesShort
            ) + // draw month headers
            "</div><table class='ui-datepicker-calendar'><thead>" +
            '<tr>'
          thead = showWeek
            ? "<th class='ui-datepicker-week-col'>" +
              this._get(inst, 'weekHeader') +
              '</th>'
            : ''
          for (dow = 0; dow < 7; dow++) {
            // days of the week
            day = (dow + firstDay) % 7
            thead +=
              "<th scope='col'" +
              ((dow + firstDay + 6) % 7 >= 5
                ? " class='ui-datepicker-week-end'"
                : '') +
              '>' +
              "<span title='" +
              dayNames[day] +
              "'>" +
              dayNamesMin[day] +
              '</span></th>'
          }
          calender += thead + '</tr></thead><tbody>'
          daysInMonth = this._getDaysInMonth(drawYear, drawMonth)
          if (
            drawYear === inst.selectedYear &&
            drawMonth === inst.selectedMonth
          ) {
            inst.selectedDay = Math.min(inst.selectedDay, daysInMonth)
          }
          leadDays =
            (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7
          curRows = Math.ceil((leadDays + daysInMonth) / 7) // calculate the number of rows to generate
          numRows = isMultiMonth
            ? this.maxRows > curRows
              ? this.maxRows
              : curRows
            : curRows //If multiple months, use the higher number of rows (see #7043)
          this.maxRows = numRows
          printDate = this._daylightSavingAdjust(
            new Date(drawYear, drawMonth, 1 - leadDays)
          )
          for (dRow = 0; dRow < numRows; dRow++) {
            // create date picker rows
            calender += '<tr>'
            tbody = !showWeek
              ? ''
              : "<td class='ui-datepicker-week-col'>" +
                this._get(inst, 'calculateWeek')(printDate) +
                '</td>'
            for (dow = 0; dow < 7; dow++) {
              // create date picker days
              daySettings = beforeShowDay
                ? beforeShowDay.apply(inst.input ? inst.input[0] : null, [
                    printDate,
                  ])
                : [true, '']
              otherMonth = printDate.getMonth() !== drawMonth
              unselectable =
                (otherMonth && !selectOtherMonths) ||
                !daySettings[0] ||
                (minDate && printDate < minDate) ||
                (maxDate && printDate > maxDate)
              tbody +=
                "<td class='" +
                ((dow + firstDay + 6) % 7 >= 5
                  ? ' ui-datepicker-week-end'
                  : '') + // highlight weekends
                (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
                ((printDate.getTime() === selectedDate.getTime() &&
                  drawMonth === inst.selectedMonth &&
                  inst._keyEvent) || // user pressed key
                (defaultDate.getTime() === printDate.getTime() &&
                  defaultDate.getTime() === selectedDate.getTime())
                  ? // or defaultDate is current printedDate and defaultDate is selectedDate
                    ' ' + this._dayOverClass
                  : '') + // highlight selected day
                (unselectable
                  ? ' ' + this._unselectableClass + ' ui-state-disabled'
                  : '') + // highlight unselectable days
                (otherMonth && !showOtherMonths
                  ? ''
                  : ' ' +
                    daySettings[1] + // highlight custom dates
                    (printDate.getTime() === currentDate.getTime()
                      ? ' ' + this._currentClass
                      : '') + // highlight selected day
                    (printDate.getTime() === today.getTime()
                      ? ' ui-datepicker-today'
                      : '')) +
                "'" + // highlight today (if different)
                ((!otherMonth || showOtherMonths) && daySettings[2]
                  ? " title='" + daySettings[2].replace(/'/g, '&#39;') + "'"
                  : '') + // cell title
                (unselectable
                  ? ''
                  : " data-handler='selectDay' data-event='click' data-month='" +
                    printDate.getMonth() +
                    "' data-year='" +
                    printDate.getFullYear() +
                    "'") +
                '>' + // actions
                (otherMonth && !showOtherMonths
                  ? '&#xa0;' // display for other months
                  : unselectable
                    ? "<span class='ui-state-default'>" +
                      printDate.getDate() +
                      '</span>'
                    : "<a class='ui-state-default" +
                      (printDate.getTime() === today.getTime()
                        ? ' ui-state-highlight'
                        : '') +
                      (printDate.getTime() === currentDate.getTime()
                        ? ' ui-state-active'
                        : '') + // highlight selected day
                      (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
                      "' href='#'>" +
                      printDate.getDate() +
                      '</a>') +
                '</td>' // display selectable date
              printDate.setDate(printDate.getDate() + 1)
              printDate = this._daylightSavingAdjust(printDate)
            }
            calender += tbody + '</tr>'
          }
          drawMonth++
          if (drawMonth > 11) {
            drawMonth = 0
            drawYear++
          }
          calender +=
            '</tbody></table>' +
            (isMultiMonth
              ? '</div>' +
                (numMonths[0] > 0 && col === numMonths[1] - 1
                  ? "<div class='ui-datepicker-row-break'></div>"
                  : '')
              : '')
          group += calender
        }
        html += group
      }
      html += buttonPanel
      inst._keyEvent = false
      return html
    },

    /* Generate the month and year header. */
    _generateMonthYearHeader: function (
      inst,
      drawMonth,
      drawYear,
      minDate,
      maxDate,
      secondary,
      monthNames,
      monthNamesShort
    ) {
      var inMinYear,
        inMaxYear,
        month,
        years,
        thisYear,
        determineYear,
        year,
        endYear,
        changeMonth = this._get(inst, 'changeMonth'),
        changeYear = this._get(inst, 'changeYear'),
        showMonthAfterYear = this._get(inst, 'showMonthAfterYear'),
        html = "<div class='ui-datepicker-title'>",
        monthHtml = ''

      // Month selection
      if (secondary || !changeMonth) {
        monthHtml +=
          "<span class='ui-datepicker-month'>" +
          monthNames[drawMonth] +
          '</span>'
      } else {
        inMinYear = minDate && minDate.getFullYear() === drawYear
        inMaxYear = maxDate && maxDate.getFullYear() === drawYear
        monthHtml +=
          "<select class='ui-datepicker-month' data-handler='selectMonth' data-event='change'>"
        for (month = 0; month < 12; month++) {
          if (
            (!inMinYear || month >= minDate.getMonth()) &&
            (!inMaxYear || month <= maxDate.getMonth())
          ) {
            monthHtml +=
              "<option value='" +
              month +
              "'" +
              (month === drawMonth ? " selected='selected'" : '') +
              '>' +
              monthNamesShort[month] +
              '</option>'
          }
        }
        monthHtml += '</select>'
      }

      if (!showMonthAfterYear) {
        html +=
          monthHtml +
          (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '')
      }

      // Year selection
      if (!inst.yearshtml) {
        inst.yearshtml = ''
        if (secondary || !changeYear) {
          html += "<span class='ui-datepicker-year'>" + drawYear + '</span>'
        } else {
          // determine range of years to display
          years = this._get(inst, 'yearRange').split(':')
          thisYear = new Date().getFullYear()
          determineYear = function (value) {
            var year = value.match(/c[+\-].*/)
              ? drawYear + parseInt(value.substring(1), 10)
              : value.match(/[+\-].*/)
                ? thisYear + parseInt(value, 10)
                : parseInt(value, 10)
            return isNaN(year) ? thisYear : year
          }
          year = determineYear(years[0])
          endYear = Math.max(year, determineYear(years[1] || ''))
          year = minDate ? Math.max(year, minDate.getFullYear()) : year
          endYear = maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear
          inst.yearshtml +=
            "<select class='ui-datepicker-year' data-handler='selectYear' data-event='change'>"
          for (; year <= endYear; year++) {
            inst.yearshtml +=
              "<option value='" +
              year +
              "'" +
              (year === drawYear ? " selected='selected'" : '') +
              '>' +
              year +
              '</option>'
          }
          inst.yearshtml += '</select>'

          html += inst.yearshtml
          inst.yearshtml = null
        }
      }

      html += this._get(inst, 'yearSuffix')
      if (showMonthAfterYear) {
        html +=
          (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') +
          monthHtml
      }
      html += '</div>' // Close datepicker_header
      return html
    },

    /* Adjust one of the date sub-fields. */
    _adjustInstDate: function (inst, offset, period) {
      var year = inst.selectedYear + (period === 'Y' ? offset : 0),
        month = inst.selectedMonth + (period === 'M' ? offset : 0),
        day =
          Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
          (period === 'D' ? offset : 0),
        date = this._restrictMinMax(
          inst,
          this._daylightSavingAdjust(new Date(year, month, day))
        )

      inst.selectedDay = date.getDate()
      inst.drawMonth = inst.selectedMonth = date.getMonth()
      inst.drawYear = inst.selectedYear = date.getFullYear()
      if (period === 'M' || period === 'Y') {
        this._notifyChange(inst)
      }
    },

    /* Ensure a date is within any min/max bounds. */
    _restrictMinMax: function (inst, date) {
      var minDate = this._getMinMaxDate(inst, 'min'),
        maxDate = this._getMinMaxDate(inst, 'max'),
        newDate = minDate && date < minDate ? minDate : date
      return maxDate && newDate > maxDate ? maxDate : newDate
    },

    /* Notify change of month/year. */
    _notifyChange: function (inst) {
      var onChange = this._get(inst, 'onChangeMonthYear')
      if (onChange) {
        onChange.apply(inst.input ? inst.input[0] : null, [
          inst.selectedYear,
          inst.selectedMonth + 1,
          inst,
        ])
      }
    },

    /* Determine the number of months to show. */
    _getNumberOfMonths: function (inst) {
      var numMonths = this._get(inst, 'numberOfMonths')
      return numMonths == null
        ? [1, 1]
        : typeof numMonths === 'number'
          ? [1, numMonths]
          : numMonths
    },

    /* Determine the current maximum date - ensure no time components are set. */
    _getMinMaxDate: function (inst, minMax) {
      return this._determineDate(inst, this._get(inst, minMax + 'Date'), null)
    },

    /* Find the number of days in a given month. */
    _getDaysInMonth: function (year, month) {
      return (
        32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate()
      )
    },

    /* Find the day of the week of the first of a month. */
    _getFirstDayOfMonth: function (year, month) {
      return new Date(year, month, 1).getDay()
    },

    /* Determines if we should allow a "next/prev" month display change. */
    _canAdjustMonth: function (inst, offset, curYear, curMonth) {
      var numMonths = this._getNumberOfMonths(inst),
        date = this._daylightSavingAdjust(
          new Date(
            curYear,
            curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]),
            1
          )
        )

      if (offset < 0) {
        date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()))
      }
      return this._isInRange(inst, date)
    },

    /* Is the given date in the accepted range? */
    _isInRange: function (inst, date) {
      var yearSplit,
        currentYear,
        minDate = this._getMinMaxDate(inst, 'min'),
        maxDate = this._getMinMaxDate(inst, 'max'),
        minYear = null,
        maxYear = null,
        years = this._get(inst, 'yearRange')
      if (years) {
        yearSplit = years.split(':')
        currentYear = new Date().getFullYear()
        minYear = parseInt(yearSplit[0], 10)
        maxYear = parseInt(yearSplit[1], 10)
        if (yearSplit[0].match(/[+\-].*/)) {
          minYear += currentYear
        }
        if (yearSplit[1].match(/[+\-].*/)) {
          maxYear += currentYear
        }
      }

      return (
        (!minDate || date.getTime() >= minDate.getTime()) &&
        (!maxDate || date.getTime() <= maxDate.getTime()) &&
        (!minYear || date.getFullYear() >= minYear) &&
        (!maxYear || date.getFullYear() <= maxYear)
      )
    },

    /* Provide the configuration settings for formatting/parsing. */
    _getFormatConfig: function (inst) {
      var shortYearCutoff = this._get(inst, 'shortYearCutoff')
      shortYearCutoff =
        typeof shortYearCutoff !== 'string'
          ? shortYearCutoff
          : (new Date().getFullYear() % 100) + parseInt(shortYearCutoff, 10)
      return {
        shortYearCutoff: shortYearCutoff,
        dayNamesShort: this._get(inst, 'dayNamesShort'),
        dayNames: this._get(inst, 'dayNames'),
        monthNamesShort: this._get(inst, 'monthNamesShort'),
        monthNames: this._get(inst, 'monthNames'),
      }
    },

    /* Format the given date for display. */
    _formatDate: function (inst, day, month, year) {
      if (!day) {
        inst.currentDay = inst.selectedDay
        inst.currentMonth = inst.selectedMonth
        inst.currentYear = inst.selectedYear
      }
      var date = day
        ? typeof day === 'object'
          ? day
          : this._daylightSavingAdjust(new Date(year, month, day))
        : this._daylightSavingAdjust(
            new Date(inst.currentYear, inst.currentMonth, inst.currentDay)
          )
      return this.formatDate(
        this._get(inst, 'dateFormat'),
        date,
        this._getFormatConfig(inst)
      )
    },
  })

  /*
   * Bind hover events for datepicker elements.
   * Done via delegate so the binding only occurs once in the lifetime of the parent div.
   * Global datepicker_instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
   */
  function datepicker_bindHover(dpDiv) {
    var selector =
      'button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a'
    return dpDiv
      .on('mouseout', selector, function () {
        $(this).removeClass('ui-state-hover')
        if (this.className.indexOf('ui-datepicker-prev') !== -1) {
          $(this).removeClass('ui-datepicker-prev-hover')
        }
        if (this.className.indexOf('ui-datepicker-next') !== -1) {
          $(this).removeClass('ui-datepicker-next-hover')
        }
      })
      .on('mouseover', selector, datepicker_handleMouseover)
  }

  function datepicker_handleMouseover() {
    if (
      !$.datepicker._isDisabledDatepicker(
        datepicker_instActive.inline
          ? datepicker_instActive.dpDiv.parent()[0]
          : datepicker_instActive.input[0]
      )
    ) {
      $(this)
        .parents('.ui-datepicker-calendar')
        .find('a')
        .removeClass('ui-state-hover')
      $(this).addClass('ui-state-hover')
      if (this.className.indexOf('ui-datepicker-prev') !== -1) {
        $(this).addClass('ui-datepicker-prev-hover')
      }
      if (this.className.indexOf('ui-datepicker-next') !== -1) {
        $(this).addClass('ui-datepicker-next-hover')
      }
    }
  }

  /* jQuery extend now ignores nulls! */
  function datepicker_extendRemove(target, props) {
    $.extend(target, props)
    for (var name in props) {
      if (props[name] == null) {
        target[name] = props[name]
      }
    }
    return target
  }

  /* Invoke the datepicker functionality.
   @param  options  string - a command, optionally followed by additional parameters or
					Object - settings for attaching new datepicker functionality
   @return  jQuery object */
  $.fn.datepicker = function (options) {
    /* Verify an empty collection wasn't passed - Fixes #6976 */
    if (!this.length) {
      return this
    }

    /* Initialise the date picker. */
    if (!$.datepicker.initialized) {
      $(document).on('mousedown', $.datepicker._checkExternalClick)
      $.datepicker.initialized = true
    }

    /* Append datepicker main container to body if not exist. */
    if ($('#' + $.datepicker._mainDivId).length === 0) {
      $('body').append($.datepicker.dpDiv)
    }

    var otherArgs = Array.prototype.slice.call(arguments, 1)
    if (
      typeof options === 'string' &&
      (options === 'isDisabled' ||
        options === 'getDate' ||
        options === 'widget')
    ) {
      return $.datepicker['_' + options + 'Datepicker'].apply(
        $.datepicker,
        [this[0]].concat(otherArgs)
      )
    }
    if (
      options === 'option' &&
      arguments.length === 2 &&
      typeof arguments[1] === 'string'
    ) {
      return $.datepicker['_' + options + 'Datepicker'].apply(
        $.datepicker,
        [this[0]].concat(otherArgs)
      )
    }
    return this.each(function () {
      typeof options === 'string'
        ? $.datepicker['_' + options + 'Datepicker'].apply(
            $.datepicker,
            [this].concat(otherArgs)
          )
        : $.datepicker._attachDatepicker(this, options)
    })
  }

  $.datepicker = new Datepicker() // singleton instance
  $.datepicker.initialized = false
  $.datepicker.uuid = new Date().getTime()
  $.datepicker.version = '1.12.1'

  var widgetsDatepicker = $.datepicker

  // This file is deprecated
  var ie = ($.ui.ie = !!/msie [\w.]+/.exec(navigator.userAgent.toLowerCase()))

  /*!
   * jQuery UI Mouse 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Mouse
  //>>group: Widgets
  //>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
  //>>docs: http://api.jqueryui.com/mouse/

  var mouseHandled = false
  $(document).on('mouseup', function () {
    mouseHandled = false
  })

  var widgetsMouse = $.widget('ui.mouse', {
    version: '1.12.1',
    options: {
      cancel: 'input, textarea, button, select, option',
      distance: 1,
      delay: 0,
    },
    _mouseInit: function () {
      var that = this

      this.element
        .on('mousedown.' + this.widgetName, function (event) {
          return that._mouseDown(event)
        })
        .on('click.' + this.widgetName, function (event) {
          if (
            true ===
            $.data(event.target, that.widgetName + '.preventClickEvent')
          ) {
            $.removeData(event.target, that.widgetName + '.preventClickEvent')
            event.stopImmediatePropagation()
            return false
          }
        })

      this.started = false
    },

    // TODO: make sure destroying one instance of mouse doesn't mess with
    // other instances of mouse
    _mouseDestroy: function () {
      this.element.off('.' + this.widgetName)
      if (this._mouseMoveDelegate) {
        this.document
          .off('mousemove.' + this.widgetName, this._mouseMoveDelegate)
          .off('mouseup.' + this.widgetName, this._mouseUpDelegate)
      }
    },

    _mouseDown: function (event) {
      // don't let more than one widget handle mouseStart
      if (mouseHandled) {
        return
      }

      this._mouseMoved = false

      // We may have missed mouseup (out of window)
      this._mouseStarted && this._mouseUp(event)

      this._mouseDownEvent = event

      var that = this,
        btnIsLeft = event.which === 1,
        // event.target.nodeName works around a bug in IE 8 with
        // disabled inputs (#7620)
        elIsCancel =
          typeof this.options.cancel === 'string' && event.target.nodeName
            ? $(event.target).closest(this.options.cancel).length
            : false
      if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
        return true
      }

      this.mouseDelayMet = !this.options.delay
      if (!this.mouseDelayMet) {
        this._mouseDelayTimer = setTimeout(function () {
          that.mouseDelayMet = true
        }, this.options.delay)
      }

      if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
        this._mouseStarted = this._mouseStart(event) !== false
        if (!this._mouseStarted) {
          event.preventDefault()
          return true
        }
      }

      // Click event may never have fired (Gecko & Opera)
      if (
        true === $.data(event.target, this.widgetName + '.preventClickEvent')
      ) {
        $.removeData(event.target, this.widgetName + '.preventClickEvent')
      }

      // These delegates are required to keep context
      this._mouseMoveDelegate = function (event) {
        return that._mouseMove(event)
      }
      this._mouseUpDelegate = function (event) {
        return that._mouseUp(event)
      }

      this.document
        .on('mousemove.' + this.widgetName, this._mouseMoveDelegate)
        .on('mouseup.' + this.widgetName, this._mouseUpDelegate)

      event.preventDefault()

      mouseHandled = true
      return true
    },

    _mouseMove: function (event) {
      // Only check for mouseups outside the document if you've moved inside the document
      // at least once. This prevents the firing of mouseup in the case of IE<9, which will
      // fire a mousemove event if content is placed under the cursor. See #7778
      // Support: IE <9
      if (this._mouseMoved) {
        // IE mouseup check - mouseup happened when mouse was out of window
        if (
          $.ui.ie &&
          (!document.documentMode || document.documentMode < 9) &&
          !event.button
        ) {
          return this._mouseUp(event)

          // Iframe mouseup check - mouseup occurred in another document
        } else if (!event.which) {
          // Support: Safari <=8 - 9
          // Safari sets which to 0 if you press any of the following keys
          // during a drag (#14461)
          if (
            event.originalEvent.altKey ||
            event.originalEvent.ctrlKey ||
            event.originalEvent.metaKey ||
            event.originalEvent.shiftKey
          ) {
            this.ignoreMissingWhich = true
          } else if (!this.ignoreMissingWhich) {
            return this._mouseUp(event)
          }
        }
      }

      if (event.which || event.button) {
        this._mouseMoved = true
      }

      if (this._mouseStarted) {
        this._mouseDrag(event)
        return event.preventDefault()
      }

      if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
        this._mouseStarted =
          this._mouseStart(this._mouseDownEvent, event) !== false
        this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event)
      }

      return !this._mouseStarted
    },

    _mouseUp: function (event) {
      this.document
        .off('mousemove.' + this.widgetName, this._mouseMoveDelegate)
        .off('mouseup.' + this.widgetName, this._mouseUpDelegate)

      if (this._mouseStarted) {
        this._mouseStarted = false

        if (event.target === this._mouseDownEvent.target) {
          $.data(event.target, this.widgetName + '.preventClickEvent', true)
        }

        this._mouseStop(event)
      }

      if (this._mouseDelayTimer) {
        clearTimeout(this._mouseDelayTimer)
        delete this._mouseDelayTimer
      }

      this.ignoreMissingWhich = false
      mouseHandled = false
      event.preventDefault()
    },

    _mouseDistanceMet: function (event) {
      return (
        Math.max(
          Math.abs(this._mouseDownEvent.pageX - event.pageX),
          Math.abs(this._mouseDownEvent.pageY - event.pageY)
        ) >= this.options.distance
      )
    },

    _mouseDelayMet: function (/* event */) {
      return this.mouseDelayMet
    },

    // These are placeholder methods, to be overriden by extending plugin
    _mouseStart: function (/* event */) {},
    _mouseDrag: function (/* event */) {},
    _mouseStop: function (/* event */) {},
    _mouseCapture: function (/* event */) {
      return true
    },
  })

  // $.ui.plugin is deprecated. Use $.widget() extensions instead.
  var plugin = ($.ui.plugin = {
    add: function (module, option, set) {
      var i,
        proto = $.ui[module].prototype
      for (i in set) {
        proto.plugins[i] = proto.plugins[i] || []
        proto.plugins[i].push([option, set[i]])
      }
    },
    call: function (instance, name, args, allowDisconnected) {
      var i,
        set = instance.plugins[name]

      if (!set) {
        return
      }

      if (
        !allowDisconnected &&
        (!instance.element[0].parentNode ||
          instance.element[0].parentNode.nodeType === 11)
      ) {
        return
      }

      for (i = 0; i < set.length; i++) {
        if (instance.options[set[i][0]]) {
          set[i][1].apply(instance.element, args)
        }
      }
    },
  })

  var safeBlur = ($.ui.safeBlur = function (element) {
    // Support: IE9 - 10 only
    // If the <body> is blurred, IE will switch windows, see #9420
    if (element && element.nodeName.toLowerCase() !== 'body') {
      $(element).trigger('blur')
    }
  })

  /*!
   * jQuery UI Draggable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Draggable
  //>>group: Interactions
  //>>description: Enables dragging functionality for any element.
  //>>docs: http://api.jqueryui.com/draggable/
  //>>demos: http://jqueryui.com/draggable/
  //>>css.structure: ../../themes/base/draggable.css

  $.widget('ui.draggable', $.ui.mouse, {
    version: '1.12.1',
    widgetEventPrefix: 'drag',
    options: {
      addClasses: true,
      appendTo: 'parent',
      axis: false,
      connectToSortable: false,
      containment: false,
      cursor: 'auto',
      cursorAt: false,
      grid: false,
      handle: false,
      helper: 'original',
      iframeFix: false,
      opacity: false,
      refreshPositions: false,
      revert: false,
      revertDuration: 500,
      scope: 'default',
      scroll: true,
      scrollSensitivity: 20,
      scrollSpeed: 20,
      snap: false,
      snapMode: 'both',
      snapTolerance: 20,
      stack: false,
      zIndex: false,

      // Callbacks
      drag: null,
      start: null,
      stop: null,
    },
    _create: function () {
      if (this.options.helper === 'original') {
        this._setPositionRelative()
      }
      if (this.options.addClasses) {
        this._addClass('ui-draggable')
      }
      this._setHandleClassName()

      this._mouseInit()
    },

    _setOption: function (key, value) {
      this._super(key, value)
      if (key === 'handle') {
        this._removeHandleClassName()
        this._setHandleClassName()
      }
    },

    _destroy: function () {
      if ((this.helper || this.element).is('.ui-draggable-dragging')) {
        this.destroyOnClear = true
        return
      }
      this._removeHandleClassName()
      this._mouseDestroy()
    },

    _mouseCapture: function (event) {
      var o = this.options

      // Among others, prevent a drag on a resizable-handle
      if (
        this.helper ||
        o.disabled ||
        $(event.target).closest('.ui-resizable-handle').length > 0
      ) {
        return false
      }

      //Quit if we're not on a valid handle
      this.handle = this._getHandle(event)
      if (!this.handle) {
        return false
      }

      this._blurActiveElement(event)

      this._blockFrames(o.iframeFix === true ? 'iframe' : o.iframeFix)

      return true
    },

    _blockFrames: function (selector) {
      this.iframeBlocks = this.document.find(selector).map(function () {
        var iframe = $(this)

        return $('<div>')
          .css('position', 'absolute')
          .appendTo(iframe.parent())
          .outerWidth(iframe.outerWidth())
          .outerHeight(iframe.outerHeight())
          .offset(iframe.offset())[0]
      })
    },

    _unblockFrames: function () {
      if (this.iframeBlocks) {
        this.iframeBlocks.remove()
        delete this.iframeBlocks
      }
    },

    _blurActiveElement: function (event) {
      var activeElement = $.ui.safeActiveElement(this.document[0]),
        target = $(event.target)

      // Don't blur if the event occurred on an element that is within
      // the currently focused element
      // See #10527, #12472
      if (target.closest(activeElement).length) {
        return
      }

      // Blur any element that currently has focus, see #4261
      $.ui.safeBlur(activeElement)
    },

    _mouseStart: function (event) {
      var o = this.options

      //Create and append the visible helper
      this.helper = this._createHelper(event)

      this._addClass(this.helper, 'ui-draggable-dragging')

      //Cache the helper size
      this._cacheHelperProportions()

      //If ddmanager is used for droppables, set the global draggable
      if ($.ui.ddmanager) {
        $.ui.ddmanager.current = this
      }

      /*
       * - Position generation -
       * This block generates everything position related - it's the core of draggables.
       */

      //Cache the margins of the original element
      this._cacheMargins()

      //Store the helper's css position
      this.cssPosition = this.helper.css('position')
      this.scrollParent = this.helper.scrollParent(true)
      this.offsetParent = this.helper.offsetParent()
      this.hasFixedAncestor =
        this.helper.parents().filter(function () {
          return $(this).css('position') === 'fixed'
        }).length > 0

      //The element's absolute position on the page minus margins
      this.positionAbs = this.element.offset()
      this._refreshOffsets(event)

      //Generate the original position
      this.originalPosition = this.position = this._generatePosition(
        event,
        false
      )
      this.originalPageX = event.pageX
      this.originalPageY = event.pageY

      //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
      o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)

      //Set a containment if given in the options
      this._setContainment()

      //Trigger event + callbacks
      if (this._trigger('start', event) === false) {
        this._clear()
        return false
      }

      //Recache the helper size
      this._cacheHelperProportions()

      //Prepare the droppable offsets
      if ($.ui.ddmanager && !o.dropBehaviour) {
        $.ui.ddmanager.prepareOffsets(this, event)
      }

      // Execute the drag once - this causes the helper not to be visible before getting its
      // correct position
      this._mouseDrag(event, true)

      // If the ddmanager is used for droppables, inform the manager that dragging has started
      // (see #5003)
      if ($.ui.ddmanager) {
        $.ui.ddmanager.dragStart(this, event)
      }

      return true
    },

    _refreshOffsets: function (event) {
      this.offset = {
        top: this.positionAbs.top - this.margins.top,
        left: this.positionAbs.left - this.margins.left,
        scroll: false,
        parent: this._getParentOffset(),
        relative: this._getRelativeOffset(),
      }

      this.offset.click = {
        left: event.pageX - this.offset.left,
        top: event.pageY - this.offset.top,
      }
    },

    _mouseDrag: function (event, noPropagation) {
      // reset any necessary cached properties (see #5009)
      if (this.hasFixedAncestor) {
        this.offset.parent = this._getParentOffset()
      }

      //Compute the helpers position
      this.position = this._generatePosition(event, true)
      this.positionAbs = this._convertPositionTo('absolute')

      //Call plugins and callbacks and use the resulting position if something is returned
      if (!noPropagation) {
        var ui = this._uiHash()
        if (this._trigger('drag', event, ui) === false) {
          this._mouseUp(new $.Event('mouseup', event))
          return false
        }
        this.position = ui.position
      }

      this.helper[0].style.left = this.position.left + 'px'
      this.helper[0].style.top = this.position.top + 'px'

      if ($.ui.ddmanager) {
        $.ui.ddmanager.drag(this, event)
      }

      return false
    },

    _mouseStop: function (event) {
      //If we are using droppables, inform the manager about the drop
      var that = this,
        dropped = false
      if ($.ui.ddmanager && !this.options.dropBehaviour) {
        dropped = $.ui.ddmanager.drop(this, event)
      }

      //if a drop comes from outside (a sortable)
      if (this.dropped) {
        dropped = this.dropped
        this.dropped = false
      }

      if (
        (this.options.revert === 'invalid' && !dropped) ||
        (this.options.revert === 'valid' && dropped) ||
        this.options.revert === true ||
        ($.isFunction(this.options.revert) &&
          this.options.revert.call(this.element, dropped))
      ) {
        $(this.helper).animate(
          this.originalPosition,
          parseInt(this.options.revertDuration, 10),
          function () {
            if (that._trigger('stop', event) !== false) {
              that._clear()
            }
          }
        )
      } else {
        if (this._trigger('stop', event) !== false) {
          this._clear()
        }
      }

      return false
    },

    _mouseUp: function (event) {
      this._unblockFrames()

      // If the ddmanager is used for droppables, inform the manager that dragging has stopped
      // (see #5003)
      if ($.ui.ddmanager) {
        $.ui.ddmanager.dragStop(this, event)
      }

      // Only need to focus if the event occurred on the draggable itself, see #10527
      if (this.handleElement.is(event.target)) {
        // The interaction is over; whether or not the click resulted in a drag,
        // focus the element
        this.element.trigger('focus')
      }

      return $.ui.mouse.prototype._mouseUp.call(this, event)
    },

    cancel: function () {
      if (this.helper.is('.ui-draggable-dragging')) {
        this._mouseUp(new $.Event('mouseup', { target: this.element[0] }))
      } else {
        this._clear()
      }

      return this
    },

    _getHandle: function (event) {
      return this.options.handle
        ? !!$(event.target).closest(this.element.find(this.options.handle))
            .length
        : true
    },

    _setHandleClassName: function () {
      this.handleElement = this.options.handle
        ? this.element.find(this.options.handle)
        : this.element
      this._addClass(this.handleElement, 'ui-draggable-handle')
    },

    _removeHandleClassName: function () {
      this._removeClass(this.handleElement, 'ui-draggable-handle')
    },

    _createHelper: function (event) {
      var o = this.options,
        helperIsFunction = $.isFunction(o.helper),
        helper = helperIsFunction
          ? $(o.helper.apply(this.element[0], [event]))
          : o.helper === 'clone'
            ? this.element.clone().removeAttr('id')
            : this.element

      if (!helper.parents('body').length) {
        helper.appendTo(
          o.appendTo === 'parent' ? this.element[0].parentNode : o.appendTo
        )
      }

      // Http://bugs.jqueryui.com/ticket/9446
      // a helper function can return the original element
      // which wouldn't have been set to relative in _create
      if (helperIsFunction && helper[0] === this.element[0]) {
        this._setPositionRelative()
      }

      if (
        helper[0] !== this.element[0] &&
        !/(fixed|absolute)/.test(helper.css('position'))
      ) {
        helper.css('position', 'absolute')
      }

      return helper
    },

    _setPositionRelative: function () {
      if (!/^(?:r|a|f)/.test(this.element.css('position'))) {
        this.element[0].style.position = 'relative'
      }
    },

    _adjustOffsetFromHelper: function (obj) {
      if (typeof obj === 'string') {
        obj = obj.split(' ')
      }
      if ($.isArray(obj)) {
        obj = { left: +obj[0], top: +obj[1] || 0 }
      }
      if ('left' in obj) {
        this.offset.click.left = obj.left + this.margins.left
      }
      if ('right' in obj) {
        this.offset.click.left =
          this.helperProportions.width - obj.right + this.margins.left
      }
      if ('top' in obj) {
        this.offset.click.top = obj.top + this.margins.top
      }
      if ('bottom' in obj) {
        this.offset.click.top =
          this.helperProportions.height - obj.bottom + this.margins.top
      }
    },

    _isRootNode: function (element) {
      return (
        /(html|body)/i.test(element.tagName) || element === this.document[0]
      )
    },

    _getParentOffset: function () {
      //Get the offsetParent and cache its position
      var po = this.offsetParent.offset(),
        document = this.document[0]

      // This is a special case where we need to modify a offset calculated on start, since the
      // following happened:
      // 1. The position of the helper is absolute, so it's position is calculated based on the
      // next positioned parent
      // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
      // the document, which means that the scroll is included in the initial calculation of the
      // offset of the parent, and never recalculated upon drag
      if (
        this.cssPosition === 'absolute' &&
        this.scrollParent[0] !== document &&
        $.contains(this.scrollParent[0], this.offsetParent[0])
      ) {
        po.left += this.scrollParent.scrollLeft()
        po.top += this.scrollParent.scrollTop()
      }

      if (this._isRootNode(this.offsetParent[0])) {
        po = { top: 0, left: 0 }
      }

      return {
        top:
          po.top + (parseInt(this.offsetParent.css('borderTopWidth'), 10) || 0),
        left:
          po.left +
          (parseInt(this.offsetParent.css('borderLeftWidth'), 10) || 0),
      }
    },

    _getRelativeOffset: function () {
      if (this.cssPosition !== 'relative') {
        return { top: 0, left: 0 }
      }

      var p = this.element.position(),
        scrollIsRootNode = this._isRootNode(this.scrollParent[0])

      return {
        top:
          p.top -
          (parseInt(this.helper.css('top'), 10) || 0) +
          (!scrollIsRootNode ? this.scrollParent.scrollTop() : 0),
        left:
          p.left -
          (parseInt(this.helper.css('left'), 10) || 0) +
          (!scrollIsRootNode ? this.scrollParent.scrollLeft() : 0),
      }
    },

    _cacheMargins: function () {
      this.margins = {
        left: parseInt(this.element.css('marginLeft'), 10) || 0,
        top: parseInt(this.element.css('marginTop'), 10) || 0,
        right: parseInt(this.element.css('marginRight'), 10) || 0,
        bottom: parseInt(this.element.css('marginBottom'), 10) || 0,
      }
    },

    _cacheHelperProportions: function () {
      this.helperProportions = {
        width: this.helper.outerWidth(),
        height: this.helper.outerHeight(),
      }
    },

    _setContainment: function () {
      var isUserScrollable,
        c,
        ce,
        o = this.options,
        document = this.document[0]

      this.relativeContainer = null

      if (!o.containment) {
        this.containment = null
        return
      }

      if (o.containment === 'window') {
        this.containment = [
          $(window).scrollLeft() -
            this.offset.relative.left -
            this.offset.parent.left,
          $(window).scrollTop() -
            this.offset.relative.top -
            this.offset.parent.top,
          $(window).scrollLeft() +
            $(window).width() -
            this.helperProportions.width -
            this.margins.left,
          $(window).scrollTop() +
            ($(window).height() || document.body.parentNode.scrollHeight) -
            this.helperProportions.height -
            this.margins.top,
        ]
        return
      }

      if (o.containment === 'document') {
        this.containment = [
          0,
          0,
          $(document).width() -
            this.helperProportions.width -
            this.margins.left,
          ($(document).height() || document.body.parentNode.scrollHeight) -
            this.helperProportions.height -
            this.margins.top,
        ]
        return
      }

      if (o.containment.constructor === Array) {
        this.containment = o.containment
        return
      }

      if (o.containment === 'parent') {
        o.containment = this.helper[0].parentNode
      }

      c = $(o.containment)
      ce = c[0]

      if (!ce) {
        return
      }

      isUserScrollable = /(scroll|auto)/.test(c.css('overflow'))

      this.containment = [
        (parseInt(c.css('borderLeftWidth'), 10) || 0) +
          (parseInt(c.css('paddingLeft'), 10) || 0),
        (parseInt(c.css('borderTopWidth'), 10) || 0) +
          (parseInt(c.css('paddingTop'), 10) || 0),
        (isUserScrollable
          ? Math.max(ce.scrollWidth, ce.offsetWidth)
          : ce.offsetWidth) -
          (parseInt(c.css('borderRightWidth'), 10) || 0) -
          (parseInt(c.css('paddingRight'), 10) || 0) -
          this.helperProportions.width -
          this.margins.left -
          this.margins.right,
        (isUserScrollable
          ? Math.max(ce.scrollHeight, ce.offsetHeight)
          : ce.offsetHeight) -
          (parseInt(c.css('borderBottomWidth'), 10) || 0) -
          (parseInt(c.css('paddingBottom'), 10) || 0) -
          this.helperProportions.height -
          this.margins.top -
          this.margins.bottom,
      ]
      this.relativeContainer = c
    },

    _convertPositionTo: function (d, pos) {
      if (!pos) {
        pos = this.position
      }

      var mod = d === 'absolute' ? 1 : -1,
        scrollIsRootNode = this._isRootNode(this.scrollParent[0])

      return {
        top:
          // The absolute mouse position
          pos.top +
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.top * mod +
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.top * mod -
          (this.cssPosition === 'fixed'
            ? -this.offset.scroll.top
            : scrollIsRootNode
              ? 0
              : this.offset.scroll.top) *
            mod,
        left:
          // The absolute mouse position
          pos.left +
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.left * mod +
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.left * mod -
          (this.cssPosition === 'fixed'
            ? -this.offset.scroll.left
            : scrollIsRootNode
              ? 0
              : this.offset.scroll.left) *
            mod,
      }
    },

    _generatePosition: function (event, constrainPosition) {
      var containment,
        co,
        top,
        left,
        o = this.options,
        scrollIsRootNode = this._isRootNode(this.scrollParent[0]),
        pageX = event.pageX,
        pageY = event.pageY

      // Cache the scroll
      if (!scrollIsRootNode || !this.offset.scroll) {
        this.offset.scroll = {
          top: this.scrollParent.scrollTop(),
          left: this.scrollParent.scrollLeft(),
        }
      }

      /*
       * - Position constraining -
       * Constrain the position to a mix of grid, containment.
       */

      // If we are not dragging yet, we won't check for options
      if (constrainPosition) {
        if (this.containment) {
          if (this.relativeContainer) {
            co = this.relativeContainer.offset()
            containment = [
              this.containment[0] + co.left,
              this.containment[1] + co.top,
              this.containment[2] + co.left,
              this.containment[3] + co.top,
            ]
          } else {
            containment = this.containment
          }

          if (event.pageX - this.offset.click.left < containment[0]) {
            pageX = containment[0] + this.offset.click.left
          }
          if (event.pageY - this.offset.click.top < containment[1]) {
            pageY = containment[1] + this.offset.click.top
          }
          if (event.pageX - this.offset.click.left > containment[2]) {
            pageX = containment[2] + this.offset.click.left
          }
          if (event.pageY - this.offset.click.top > containment[3]) {
            pageY = containment[3] + this.offset.click.top
          }
        }

        if (o.grid) {
          //Check for grid elements set to 0 to prevent divide by 0 error causing invalid
          // argument errors in IE (see ticket #6950)
          top = o.grid[1]
            ? this.originalPageY +
              Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]
            : this.originalPageY
          pageY = containment
            ? top - this.offset.click.top >= containment[1] ||
              top - this.offset.click.top > containment[3]
              ? top
              : top - this.offset.click.top >= containment[1]
                ? top - o.grid[1]
                : top + o.grid[1]
            : top

          left = o.grid[0]
            ? this.originalPageX +
              Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]
            : this.originalPageX
          pageX = containment
            ? left - this.offset.click.left >= containment[0] ||
              left - this.offset.click.left > containment[2]
              ? left
              : left - this.offset.click.left >= containment[0]
                ? left - o.grid[0]
                : left + o.grid[0]
            : left
        }

        if (o.axis === 'y') {
          pageX = this.originalPageX
        }

        if (o.axis === 'x') {
          pageY = this.originalPageY
        }
      }

      return {
        top:
          // The absolute mouse position
          pageY -
          // Click offset (relative to the element)
          this.offset.click.top -
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.top -
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.top +
          (this.cssPosition === 'fixed'
            ? -this.offset.scroll.top
            : scrollIsRootNode
              ? 0
              : this.offset.scroll.top),
        left:
          // The absolute mouse position
          pageX -
          // Click offset (relative to the element)
          this.offset.click.left -
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.left -
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.left +
          (this.cssPosition === 'fixed'
            ? -this.offset.scroll.left
            : scrollIsRootNode
              ? 0
              : this.offset.scroll.left),
      }
    },

    _clear: function () {
      this._removeClass(this.helper, 'ui-draggable-dragging')
      if (this.helper[0] !== this.element[0] && !this.cancelHelperRemoval) {
        this.helper.remove()
      }
      this.helper = null
      this.cancelHelperRemoval = false
      if (this.destroyOnClear) {
        this.destroy()
      }
    },

    // From now on bulk stuff - mainly helpers

    _trigger: function (type, event, ui) {
      ui = ui || this._uiHash()
      $.ui.plugin.call(this, type, [event, ui, this], true)

      // Absolute position and offset (see #6884 ) have to be recalculated after plugins
      if (/^(drag|start|stop)/.test(type)) {
        this.positionAbs = this._convertPositionTo('absolute')
        ui.offset = this.positionAbs
      }
      return $.Widget.prototype._trigger.call(this, type, event, ui)
    },

    plugins: {},

    _uiHash: function () {
      return {
        helper: this.helper,
        position: this.position,
        originalPosition: this.originalPosition,
        offset: this.positionAbs,
      }
    },
  })

  $.ui.plugin.add('draggable', 'connectToSortable', {
    start: function (event, ui, draggable) {
      var uiSortable = $.extend({}, ui, {
        item: draggable.element,
      })

      draggable.sortables = []
      $(draggable.options.connectToSortable).each(function () {
        var sortable = $(this).sortable('instance')

        if (sortable && !sortable.options.disabled) {
          draggable.sortables.push(sortable)

          // RefreshPositions is called at drag start to refresh the containerCache
          // which is used in drag. This ensures it's initialized and synchronized
          // with any changes that might have happened on the page since initialization.
          sortable.refreshPositions()
          sortable._trigger('activate', event, uiSortable)
        }
      })
    },
    stop: function (event, ui, draggable) {
      var uiSortable = $.extend({}, ui, {
        item: draggable.element,
      })

      draggable.cancelHelperRemoval = false

      $.each(draggable.sortables, function () {
        var sortable = this

        if (sortable.isOver) {
          sortable.isOver = 0

          // Allow this sortable to handle removing the helper
          draggable.cancelHelperRemoval = true
          sortable.cancelHelperRemoval = false

          // Use _storedCSS To restore properties in the sortable,
          // as this also handles revert (#9675) since the draggable
          // may have modified them in unexpected ways (#8809)
          sortable._storedCSS = {
            position: sortable.placeholder.css('position'),
            top: sortable.placeholder.css('top'),
            left: sortable.placeholder.css('left'),
          }

          sortable._mouseStop(event)

          // Once drag has ended, the sortable should return to using
          // its original helper, not the shared helper from draggable
          sortable.options.helper = sortable.options._helper
        } else {
          // Prevent this Sortable from removing the helper.
          // However, don't set the draggable to remove the helper
          // either as another connected Sortable may yet handle the removal.
          sortable.cancelHelperRemoval = true

          sortable._trigger('deactivate', event, uiSortable)
        }
      })
    },
    drag: function (event, ui, draggable) {
      $.each(draggable.sortables, function () {
        var innermostIntersecting = false,
          sortable = this

        // Copy over variables that sortable's _intersectsWith uses
        sortable.positionAbs = draggable.positionAbs
        sortable.helperProportions = draggable.helperProportions
        sortable.offset.click = draggable.offset.click

        if (sortable._intersectsWith(sortable.containerCache)) {
          innermostIntersecting = true

          $.each(draggable.sortables, function () {
            // Copy over variables that sortable's _intersectsWith uses
            this.positionAbs = draggable.positionAbs
            this.helperProportions = draggable.helperProportions
            this.offset.click = draggable.offset.click

            if (
              this !== sortable &&
              this._intersectsWith(this.containerCache) &&
              $.contains(sortable.element[0], this.element[0])
            ) {
              innermostIntersecting = false
            }

            return innermostIntersecting
          })
        }

        if (innermostIntersecting) {
          // If it intersects, we use a little isOver variable and set it once,
          // so that the move-in stuff gets fired only once.
          if (!sortable.isOver) {
            sortable.isOver = 1

            // Store draggable's parent in case we need to reappend to it later.
            draggable._parent = ui.helper.parent()

            sortable.currentItem = ui.helper
              .appendTo(sortable.element)
              .data('ui-sortable-item', true)

            // Store helper option to later restore it
            sortable.options._helper = sortable.options.helper

            sortable.options.helper = function () {
              return ui.helper[0]
            }

            // Fire the start events of the sortable with our passed browser event,
            // and our own helper (so it doesn't create a new one)
            event.target = sortable.currentItem[0]
            sortable._mouseCapture(event, true)
            sortable._mouseStart(event, true, true)

            // Because the browser event is way off the new appended portlet,
            // modify necessary variables to reflect the changes
            sortable.offset.click.top = draggable.offset.click.top
            sortable.offset.click.left = draggable.offset.click.left
            sortable.offset.parent.left -=
              draggable.offset.parent.left - sortable.offset.parent.left
            sortable.offset.parent.top -=
              draggable.offset.parent.top - sortable.offset.parent.top

            draggable._trigger('toSortable', event)

            // Inform draggable that the helper is in a valid drop zone,
            // used solely in the revert option to handle "valid/invalid".
            draggable.dropped = sortable.element

            // Need to refreshPositions of all sortables in the case that
            // adding to one sortable changes the location of the other sortables (#9675)
            $.each(draggable.sortables, function () {
              this.refreshPositions()
            })

            // Hack so receive/update callbacks work (mostly)
            draggable.currentItem = draggable.element
            sortable.fromOutside = draggable
          }

          if (sortable.currentItem) {
            sortable._mouseDrag(event)

            // Copy the sortable's position because the draggable's can potentially reflect
            // a relative position, while sortable is always absolute, which the dragged
            // element has now become. (#8809)
            ui.position = sortable.position
          }
        } else {
          // If it doesn't intersect with the sortable, and it intersected before,
          // we fake the drag stop of the sortable, but make sure it doesn't remove
          // the helper by using cancelHelperRemoval.
          if (sortable.isOver) {
            sortable.isOver = 0
            sortable.cancelHelperRemoval = true

            // Calling sortable's mouseStop would trigger a revert,
            // so revert must be temporarily false until after mouseStop is called.
            sortable.options._revert = sortable.options.revert
            sortable.options.revert = false

            sortable._trigger('out', event, sortable._uiHash(sortable))
            sortable._mouseStop(event, true)

            // Restore sortable behaviors that were modfied
            // when the draggable entered the sortable area (#9481)
            sortable.options.revert = sortable.options._revert
            sortable.options.helper = sortable.options._helper

            if (sortable.placeholder) {
              sortable.placeholder.remove()
            }

            // Restore and recalculate the draggable's offset considering the sortable
            // may have modified them in unexpected ways. (#8809, #10669)
            ui.helper.appendTo(draggable._parent)
            draggable._refreshOffsets(event)
            ui.position = draggable._generatePosition(event, true)

            draggable._trigger('fromSortable', event)

            // Inform draggable that the helper is no longer in a valid drop zone
            draggable.dropped = false

            // Need to refreshPositions of all sortables just in case removing
            // from one sortable changes the location of other sortables (#9675)
            $.each(draggable.sortables, function () {
              this.refreshPositions()
            })
          }
        }
      })
    },
  })

  $.ui.plugin.add('draggable', 'cursor', {
    start: function (event, ui, instance) {
      var t = $('body'),
        o = instance.options

      if (t.css('cursor')) {
        o._cursor = t.css('cursor')
      }
      t.css('cursor', o.cursor)
    },
    stop: function (event, ui, instance) {
      var o = instance.options
      if (o._cursor) {
        $('body').css('cursor', o._cursor)
      }
    },
  })

  $.ui.plugin.add('draggable', 'opacity', {
    start: function (event, ui, instance) {
      var t = $(ui.helper),
        o = instance.options
      if (t.css('opacity')) {
        o._opacity = t.css('opacity')
      }
      t.css('opacity', o.opacity)
    },
    stop: function (event, ui, instance) {
      var o = instance.options
      if (o._opacity) {
        $(ui.helper).css('opacity', o._opacity)
      }
    },
  })

  $.ui.plugin.add('draggable', 'scroll', {
    start: function (event, ui, i) {
      if (!i.scrollParentNotHidden) {
        i.scrollParentNotHidden = i.helper.scrollParent(false)
      }

      if (
        i.scrollParentNotHidden[0] !== i.document[0] &&
        i.scrollParentNotHidden[0].tagName !== 'HTML'
      ) {
        i.overflowOffset = i.scrollParentNotHidden.offset()
      }
    },
    drag: function (event, ui, i) {
      var o = i.options,
        scrolled = false,
        scrollParent = i.scrollParentNotHidden[0],
        document = i.document[0]

      if (scrollParent !== document && scrollParent.tagName !== 'HTML') {
        if (!o.axis || o.axis !== 'x') {
          if (
            i.overflowOffset.top + scrollParent.offsetHeight - event.pageY <
            o.scrollSensitivity
          ) {
            scrollParent.scrollTop = scrolled =
              scrollParent.scrollTop + o.scrollSpeed
          } else if (event.pageY - i.overflowOffset.top < o.scrollSensitivity) {
            scrollParent.scrollTop = scrolled =
              scrollParent.scrollTop - o.scrollSpeed
          }
        }

        if (!o.axis || o.axis !== 'y') {
          if (
            i.overflowOffset.left + scrollParent.offsetWidth - event.pageX <
            o.scrollSensitivity
          ) {
            scrollParent.scrollLeft = scrolled =
              scrollParent.scrollLeft + o.scrollSpeed
          } else if (
            event.pageX - i.overflowOffset.left <
            o.scrollSensitivity
          ) {
            scrollParent.scrollLeft = scrolled =
              scrollParent.scrollLeft - o.scrollSpeed
          }
        }
      } else {
        if (!o.axis || o.axis !== 'x') {
          if (event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
            scrolled = $(document).scrollTop(
              $(document).scrollTop() - o.scrollSpeed
            )
          } else if (
            $(window).height() - (event.pageY - $(document).scrollTop()) <
            o.scrollSensitivity
          ) {
            scrolled = $(document).scrollTop(
              $(document).scrollTop() + o.scrollSpeed
            )
          }
        }

        if (!o.axis || o.axis !== 'y') {
          if (event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
            scrolled = $(document).scrollLeft(
              $(document).scrollLeft() - o.scrollSpeed
            )
          } else if (
            $(window).width() - (event.pageX - $(document).scrollLeft()) <
            o.scrollSensitivity
          ) {
            scrolled = $(document).scrollLeft(
              $(document).scrollLeft() + o.scrollSpeed
            )
          }
        }
      }

      if (scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
        $.ui.ddmanager.prepareOffsets(i, event)
      }
    },
  })

  $.ui.plugin.add('draggable', 'snap', {
    start: function (event, ui, i) {
      var o = i.options

      i.snapElements = []

      $(
        o.snap.constructor !== String
          ? o.snap.items || ':data(ui-draggable)'
          : o.snap
      ).each(function () {
        var $t = $(this),
          $o = $t.offset()
        if (this !== i.element[0]) {
          i.snapElements.push({
            item: this,
            width: $t.outerWidth(),
            height: $t.outerHeight(),
            top: $o.top,
            left: $o.left,
          })
        }
      })
    },
    drag: function (event, ui, inst) {
      var ts,
        bs,
        ls,
        rs,
        l,
        r,
        t,
        b,
        i,
        first,
        o = inst.options,
        d = o.snapTolerance,
        x1 = ui.offset.left,
        x2 = x1 + inst.helperProportions.width,
        y1 = ui.offset.top,
        y2 = y1 + inst.helperProportions.height

      for (i = inst.snapElements.length - 1; i >= 0; i--) {
        l = inst.snapElements[i].left - inst.margins.left
        r = l + inst.snapElements[i].width
        t = inst.snapElements[i].top - inst.margins.top
        b = t + inst.snapElements[i].height

        if (
          x2 < l - d ||
          x1 > r + d ||
          y2 < t - d ||
          y1 > b + d ||
          !$.contains(
            inst.snapElements[i].item.ownerDocument,
            inst.snapElements[i].item
          )
        ) {
          if (inst.snapElements[i].snapping) {
            inst.options.snap.release &&
              inst.options.snap.release.call(
                inst.element,
                event,
                $.extend(inst._uiHash(), {
                  snapItem: inst.snapElements[i].item,
                })
              )
          }
          inst.snapElements[i].snapping = false
          continue
        }

        if (o.snapMode !== 'inner') {
          ts = Math.abs(t - y2) <= d
          bs = Math.abs(b - y1) <= d
          ls = Math.abs(l - x2) <= d
          rs = Math.abs(r - x1) <= d
          if (ts) {
            ui.position.top = inst._convertPositionTo('relative', {
              top: t - inst.helperProportions.height,
              left: 0,
            }).top
          }
          if (bs) {
            ui.position.top = inst._convertPositionTo('relative', {
              top: b,
              left: 0,
            }).top
          }
          if (ls) {
            ui.position.left = inst._convertPositionTo('relative', {
              top: 0,
              left: l - inst.helperProportions.width,
            }).left
          }
          if (rs) {
            ui.position.left = inst._convertPositionTo('relative', {
              top: 0,
              left: r,
            }).left
          }
        }

        first = ts || bs || ls || rs

        if (o.snapMode !== 'outer') {
          ts = Math.abs(t - y1) <= d
          bs = Math.abs(b - y2) <= d
          ls = Math.abs(l - x1) <= d
          rs = Math.abs(r - x2) <= d
          if (ts) {
            ui.position.top = inst._convertPositionTo('relative', {
              top: t,
              left: 0,
            }).top
          }
          if (bs) {
            ui.position.top = inst._convertPositionTo('relative', {
              top: b - inst.helperProportions.height,
              left: 0,
            }).top
          }
          if (ls) {
            ui.position.left = inst._convertPositionTo('relative', {
              top: 0,
              left: l,
            }).left
          }
          if (rs) {
            ui.position.left = inst._convertPositionTo('relative', {
              top: 0,
              left: r - inst.helperProportions.width,
            }).left
          }
        }

        if (!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) {
          inst.options.snap.snap &&
            inst.options.snap.snap.call(
              inst.element,
              event,
              $.extend(inst._uiHash(), {
                snapItem: inst.snapElements[i].item,
              })
            )
        }
        inst.snapElements[i].snapping = ts || bs || ls || rs || first
      }
    },
  })

  $.ui.plugin.add('draggable', 'stack', {
    start: function (event, ui, instance) {
      var min,
        o = instance.options,
        group = $.makeArray($(o.stack)).sort(function (a, b) {
          return (
            (parseInt($(a).css('zIndex'), 10) || 0) -
            (parseInt($(b).css('zIndex'), 10) || 0)
          )
        })

      if (!group.length) {
        return
      }

      min = parseInt($(group[0]).css('zIndex'), 10) || 0
      $(group).each(function (i) {
        $(this).css('zIndex', min + i)
      })
      this.css('zIndex', min + group.length)
    },
  })

  $.ui.plugin.add('draggable', 'zIndex', {
    start: function (event, ui, instance) {
      var t = $(ui.helper),
        o = instance.options

      if (t.css('zIndex')) {
        o._zIndex = t.css('zIndex')
      }
      t.css('zIndex', o.zIndex)
    },
    stop: function (event, ui, instance) {
      var o = instance.options

      if (o._zIndex) {
        $(ui.helper).css('zIndex', o._zIndex)
      }
    },
  })

  var widgetsDraggable = $.ui.draggable

  /*!
   * jQuery UI Resizable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Resizable
  //>>group: Interactions
  //>>description: Enables resize functionality for any element.
  //>>docs: http://api.jqueryui.com/resizable/
  //>>demos: http://jqueryui.com/resizable/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/resizable.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.resizable', $.ui.mouse, {
    version: '1.12.1',
    widgetEventPrefix: 'resize',
    options: {
      alsoResize: false,
      animate: false,
      animateDuration: 'slow',
      animateEasing: 'swing',
      aspectRatio: false,
      autoHide: false,
      classes: {
        'ui-resizable-se': 'ui-icon ui-icon-gripsmall-diagonal-se',
      },
      containment: false,
      ghost: false,
      grid: false,
      handles: 'e,s,se',
      helper: false,
      maxHeight: null,
      maxWidth: null,
      minHeight: 10,
      minWidth: 10,

      // See #7960
      zIndex: 90,

      // Callbacks
      resize: null,
      start: null,
      stop: null,
    },

    _num: function (value) {
      return parseFloat(value) || 0
    },

    _isNumber: function (value) {
      return !isNaN(parseFloat(value))
    },

    _hasScroll: function (el, a) {
      if ($(el).css('overflow') === 'hidden') {
        return false
      }

      var scroll = a && a === 'left' ? 'scrollLeft' : 'scrollTop',
        has = false

      if (el[scroll] > 0) {
        return true
      }

      // TODO: determine which cases actually cause this to happen
      // if the element doesn't have the scroll set, see if it's possible to
      // set the scroll
      el[scroll] = 1
      has = el[scroll] > 0
      el[scroll] = 0
      return has
    },

    _create: function () {
      var margins,
        o = this.options,
        that = this
      this._addClass('ui-resizable')

      $.extend(this, {
        _aspectRatio: !!o.aspectRatio,
        aspectRatio: o.aspectRatio,
        originalElement: this.element,
        _proportionallyResizeElements: [],
        _helper:
          o.helper || o.ghost || o.animate
            ? o.helper || 'ui-resizable-helper'
            : null,
      })

      // Wrap the element if it cannot hold child nodes
      if (
        this.element[0].nodeName.match(
          /^(canvas|textarea|input|select|button|img)$/i
        )
      ) {
        this.element.wrap(
          $("<div class='ui-wrapper' style='overflow: hidden;'></div>").css({
            position: this.element.css('position'),
            width: this.element.outerWidth(),
            height: this.element.outerHeight(),
            top: this.element.css('top'),
            left: this.element.css('left'),
          })
        )

        this.element = this.element
          .parent()
          .data('ui-resizable', this.element.resizable('instance'))

        this.elementIsWrapper = true

        margins = {
          marginTop: this.originalElement.css('marginTop'),
          marginRight: this.originalElement.css('marginRight'),
          marginBottom: this.originalElement.css('marginBottom'),
          marginLeft: this.originalElement.css('marginLeft'),
        }

        this.element.css(margins)
        this.originalElement.css('margin', 0)

        // support: Safari
        // Prevent Safari textarea resize
        this.originalResizeStyle = this.originalElement.css('resize')
        this.originalElement.css('resize', 'none')

        this._proportionallyResizeElements.push(
          this.originalElement.css({
            position: 'static',
            zoom: 1,
            display: 'block',
          })
        )

        // Support: IE9
        // avoid IE jump (hard set the margin)
        this.originalElement.css(margins)

        this._proportionallyResize()
      }

      this._setupHandles()

      if (o.autoHide) {
        $(this.element)
          .on('mouseenter', function () {
            if (o.disabled) {
              return
            }
            that._removeClass('ui-resizable-autohide')
            that._handles.show()
          })
          .on('mouseleave', function () {
            if (o.disabled) {
              return
            }
            if (!that.resizing) {
              that._addClass('ui-resizable-autohide')
              that._handles.hide()
            }
          })
      }

      this._mouseInit()
    },

    _destroy: function () {
      this._mouseDestroy()

      var wrapper,
        _destroy = function (exp) {
          $(exp)
            .removeData('resizable')
            .removeData('ui-resizable')
            .off('.resizable')
            .find('.ui-resizable-handle')
            .remove()
        }

      // TODO: Unwrap at same DOM position
      if (this.elementIsWrapper) {
        _destroy(this.element)
        wrapper = this.element
        this.originalElement
          .css({
            position: wrapper.css('position'),
            width: wrapper.outerWidth(),
            height: wrapper.outerHeight(),
            top: wrapper.css('top'),
            left: wrapper.css('left'),
          })
          .insertAfter(wrapper)
        wrapper.remove()
      }

      this.originalElement.css('resize', this.originalResizeStyle)
      _destroy(this.originalElement)

      return this
    },

    _setOption: function (key, value) {
      this._super(key, value)

      switch (key) {
        case 'handles':
          this._removeHandles()
          this._setupHandles()
          break
        default:
          break
      }
    },

    _setupHandles: function () {
      var o = this.options,
        handle,
        i,
        n,
        hname,
        axis,
        that = this
      this.handles =
        o.handles ||
        (!$('.ui-resizable-handle', this.element).length
          ? 'e,s,se'
          : {
              n: '.ui-resizable-n',
              e: '.ui-resizable-e',
              s: '.ui-resizable-s',
              w: '.ui-resizable-w',
              se: '.ui-resizable-se',
              sw: '.ui-resizable-sw',
              ne: '.ui-resizable-ne',
              nw: '.ui-resizable-nw',
            })

      this._handles = $()
      if (this.handles.constructor === String) {
        if (this.handles === 'all') {
          this.handles = 'n,e,s,w,se,sw,ne,nw'
        }

        n = this.handles.split(',')
        this.handles = {}

        for (i = 0; i < n.length; i++) {
          handle = $.trim(n[i])
          hname = 'ui-resizable-' + handle
          axis = $('<div>')
          this._addClass(axis, 'ui-resizable-handle ' + hname)

          axis.css({ zIndex: o.zIndex })

          this.handles[handle] = '.ui-resizable-' + handle
          this.element.append(axis)
        }
      }

      this._renderAxis = function (target) {
        var i, axis, padPos, padWrapper

        target = target || this.element

        for (i in this.handles) {
          if (this.handles[i].constructor === String) {
            this.handles[i] = this.element
              .children(this.handles[i])
              .first()
              .show()
          } else if (this.handles[i].jquery || this.handles[i].nodeType) {
            this.handles[i] = $(this.handles[i])
            this._on(this.handles[i], { mousedown: that._mouseDown })
          }

          if (
            this.elementIsWrapper &&
            this.originalElement[0].nodeName.match(
              /^(textarea|input|select|button)$/i
            )
          ) {
            axis = $(this.handles[i], this.element)

            padWrapper = /sw|ne|nw|se|n|s/.test(i)
              ? axis.outerHeight()
              : axis.outerWidth()

            padPos = [
              'padding',
              /ne|nw|n/.test(i)
                ? 'Top'
                : /se|sw|s/.test(i)
                  ? 'Bottom'
                  : /^e$/.test(i)
                    ? 'Right'
                    : 'Left',
            ].join('')

            target.css(padPos, padWrapper)

            this._proportionallyResize()
          }

          this._handles = this._handles.add(this.handles[i])
        }
      }

      // TODO: make renderAxis a prototype function
      this._renderAxis(this.element)

      this._handles = this._handles.add(
        this.element.find('.ui-resizable-handle')
      )
      this._handles.disableSelection()

      this._handles.on('mouseover', function () {
        if (!that.resizing) {
          if (this.className) {
            axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i)
          }
          that.axis = axis && axis[1] ? axis[1] : 'se'
        }
      })

      if (o.autoHide) {
        this._handles.hide()
        this._addClass('ui-resizable-autohide')
      }
    },

    _removeHandles: function () {
      this._handles.remove()
    },

    _mouseCapture: function (event) {
      var i,
        handle,
        capture = false

      for (i in this.handles) {
        handle = $(this.handles[i])[0]
        if (handle === event.target || $.contains(handle, event.target)) {
          capture = true
        }
      }

      return !this.options.disabled && capture
    },

    _mouseStart: function (event) {
      var curleft,
        curtop,
        cursor,
        o = this.options,
        el = this.element

      this.resizing = true

      this._renderProxy()

      curleft = this._num(this.helper.css('left'))
      curtop = this._num(this.helper.css('top'))

      if (o.containment) {
        curleft += $(o.containment).scrollLeft() || 0
        curtop += $(o.containment).scrollTop() || 0
      }

      this.offset = this.helper.offset()
      this.position = { left: curleft, top: curtop }

      this.size = this._helper
        ? {
            width: this.helper.width(),
            height: this.helper.height(),
          }
        : {
            width: el.width(),
            height: el.height(),
          }

      this.originalSize = this._helper
        ? {
            width: el.outerWidth(),
            height: el.outerHeight(),
          }
        : {
            width: el.width(),
            height: el.height(),
          }

      this.sizeDiff = {
        width: el.outerWidth() - el.width(),
        height: el.outerHeight() - el.height(),
      }

      this.originalPosition = { left: curleft, top: curtop }
      this.originalMousePosition = { left: event.pageX, top: event.pageY }

      this.aspectRatio =
        typeof o.aspectRatio === 'number'
          ? o.aspectRatio
          : this.originalSize.width / this.originalSize.height || 1

      cursor = $('.ui-resizable-' + this.axis).css('cursor')
      $('body').css(
        'cursor',
        cursor === 'auto' ? this.axis + '-resize' : cursor
      )

      this._addClass('ui-resizable-resizing')
      this._propagate('start', event)
      return true
    },

    _mouseDrag: function (event) {
      var data,
        props,
        smp = this.originalMousePosition,
        a = this.axis,
        dx = event.pageX - smp.left || 0,
        dy = event.pageY - smp.top || 0,
        trigger = this._change[a]

      this._updatePrevProperties()

      if (!trigger) {
        return false
      }

      data = trigger.apply(this, [event, dx, dy])

      this._updateVirtualBoundaries(event.shiftKey)
      if (this._aspectRatio || event.shiftKey) {
        data = this._updateRatio(data, event)
      }

      data = this._respectSize(data, event)

      this._updateCache(data)

      this._propagate('resize', event)

      props = this._applyChanges()

      if (!this._helper && this._proportionallyResizeElements.length) {
        this._proportionallyResize()
      }

      if (!$.isEmptyObject(props)) {
        this._updatePrevProperties()
        this._trigger('resize', event, this.ui())
        this._applyChanges()
      }

      return false
    },

    _mouseStop: function (event) {
      this.resizing = false
      var pr,
        ista,
        soffseth,
        soffsetw,
        s,
        left,
        top,
        o = this.options,
        that = this

      if (this._helper) {
        pr = this._proportionallyResizeElements
        ista = pr.length && /textarea/i.test(pr[0].nodeName)
        soffseth =
          ista && this._hasScroll(pr[0], 'left') ? 0 : that.sizeDiff.height
        soffsetw = ista ? 0 : that.sizeDiff.width

        s = {
          width: that.helper.width() - soffsetw,
          height: that.helper.height() - soffseth,
        }
        left =
          parseFloat(that.element.css('left')) +
            (that.position.left - that.originalPosition.left) || null
        top =
          parseFloat(that.element.css('top')) +
            (that.position.top - that.originalPosition.top) || null

        if (!o.animate) {
          this.element.css($.extend(s, { top: top, left: left }))
        }

        that.helper.height(that.size.height)
        that.helper.width(that.size.width)

        if (this._helper && !o.animate) {
          this._proportionallyResize()
        }
      }

      $('body').css('cursor', 'auto')

      this._removeClass('ui-resizable-resizing')

      this._propagate('stop', event)

      if (this._helper) {
        this.helper.remove()
      }

      return false
    },

    _updatePrevProperties: function () {
      this.prevPosition = {
        top: this.position.top,
        left: this.position.left,
      }
      this.prevSize = {
        width: this.size.width,
        height: this.size.height,
      }
    },

    _applyChanges: function () {
      var props = {}

      if (this.position.top !== this.prevPosition.top) {
        props.top = this.position.top + 'px'
      }
      if (this.position.left !== this.prevPosition.left) {
        props.left = this.position.left + 'px'
      }
      if (this.size.width !== this.prevSize.width) {
        props.width = this.size.width + 'px'
      }
      if (this.size.height !== this.prevSize.height) {
        props.height = this.size.height + 'px'
      }

      this.helper.css(props)

      return props
    },

    _updateVirtualBoundaries: function (forceAspectRatio) {
      var pMinWidth,
        pMaxWidth,
        pMinHeight,
        pMaxHeight,
        b,
        o = this.options

      b = {
        minWidth: this._isNumber(o.minWidth) ? o.minWidth : 0,
        maxWidth: this._isNumber(o.maxWidth) ? o.maxWidth : Infinity,
        minHeight: this._isNumber(o.minHeight) ? o.minHeight : 0,
        maxHeight: this._isNumber(o.maxHeight) ? o.maxHeight : Infinity,
      }

      if (this._aspectRatio || forceAspectRatio) {
        pMinWidth = b.minHeight * this.aspectRatio
        pMinHeight = b.minWidth / this.aspectRatio
        pMaxWidth = b.maxHeight * this.aspectRatio
        pMaxHeight = b.maxWidth / this.aspectRatio

        if (pMinWidth > b.minWidth) {
          b.minWidth = pMinWidth
        }
        if (pMinHeight > b.minHeight) {
          b.minHeight = pMinHeight
        }
        if (pMaxWidth < b.maxWidth) {
          b.maxWidth = pMaxWidth
        }
        if (pMaxHeight < b.maxHeight) {
          b.maxHeight = pMaxHeight
        }
      }
      this._vBoundaries = b
    },

    _updateCache: function (data) {
      this.offset = this.helper.offset()
      if (this._isNumber(data.left)) {
        this.position.left = data.left
      }
      if (this._isNumber(data.top)) {
        this.position.top = data.top
      }
      if (this._isNumber(data.height)) {
        this.size.height = data.height
      }
      if (this._isNumber(data.width)) {
        this.size.width = data.width
      }
    },

    _updateRatio: function (data) {
      var cpos = this.position,
        csize = this.size,
        a = this.axis

      if (this._isNumber(data.height)) {
        data.width = data.height * this.aspectRatio
      } else if (this._isNumber(data.width)) {
        data.height = data.width / this.aspectRatio
      }

      if (a === 'sw') {
        data.left = cpos.left + (csize.width - data.width)
        data.top = null
      }
      if (a === 'nw') {
        data.top = cpos.top + (csize.height - data.height)
        data.left = cpos.left + (csize.width - data.width)
      }

      return data
    },

    _respectSize: function (data) {
      var o = this._vBoundaries,
        a = this.axis,
        ismaxw =
          this._isNumber(data.width) && o.maxWidth && o.maxWidth < data.width,
        ismaxh =
          this._isNumber(data.height) &&
          o.maxHeight &&
          o.maxHeight < data.height,
        isminw =
          this._isNumber(data.width) && o.minWidth && o.minWidth > data.width,
        isminh =
          this._isNumber(data.height) &&
          o.minHeight &&
          o.minHeight > data.height,
        dw = this.originalPosition.left + this.originalSize.width,
        dh = this.originalPosition.top + this.originalSize.height,
        cw = /sw|nw|w/.test(a),
        ch = /nw|ne|n/.test(a)
      if (isminw) {
        data.width = o.minWidth
      }
      if (isminh) {
        data.height = o.minHeight
      }
      if (ismaxw) {
        data.width = o.maxWidth
      }
      if (ismaxh) {
        data.height = o.maxHeight
      }

      if (isminw && cw) {
        data.left = dw - o.minWidth
      }
      if (ismaxw && cw) {
        data.left = dw - o.maxWidth
      }
      if (isminh && ch) {
        data.top = dh - o.minHeight
      }
      if (ismaxh && ch) {
        data.top = dh - o.maxHeight
      }

      // Fixing jump error on top/left - bug #2330
      if (!data.width && !data.height && !data.left && data.top) {
        data.top = null
      } else if (!data.width && !data.height && !data.top && data.left) {
        data.left = null
      }

      return data
    },

    _getPaddingPlusBorderDimensions: function (element) {
      var i = 0,
        widths = [],
        borders = [
          element.css('borderTopWidth'),
          element.css('borderRightWidth'),
          element.css('borderBottomWidth'),
          element.css('borderLeftWidth'),
        ],
        paddings = [
          element.css('paddingTop'),
          element.css('paddingRight'),
          element.css('paddingBottom'),
          element.css('paddingLeft'),
        ]

      for (; i < 4; i++) {
        widths[i] = parseFloat(borders[i]) || 0
        widths[i] += parseFloat(paddings[i]) || 0
      }

      return {
        height: widths[0] + widths[2],
        width: widths[1] + widths[3],
      }
    },

    _proportionallyResize: function () {
      if (!this._proportionallyResizeElements.length) {
        return
      }

      var prel,
        i = 0,
        element = this.helper || this.element

      for (; i < this._proportionallyResizeElements.length; i++) {
        prel = this._proportionallyResizeElements[i]

        // TODO: Seems like a bug to cache this.outerDimensions
        // considering that we are in a loop.
        if (!this.outerDimensions) {
          this.outerDimensions = this._getPaddingPlusBorderDimensions(prel)
        }

        prel.css({
          height: element.height() - this.outerDimensions.height || 0,
          width: element.width() - this.outerDimensions.width || 0,
        })
      }
    },

    _renderProxy: function () {
      var el = this.element,
        o = this.options
      this.elementOffset = el.offset()

      if (this._helper) {
        this.helper = this.helper || $("<div style='overflow:hidden;'></div>")

        this._addClass(this.helper, this._helper)
        this.helper.css({
          width: this.element.outerWidth(),
          height: this.element.outerHeight(),
          position: 'absolute',
          left: this.elementOffset.left + 'px',
          top: this.elementOffset.top + 'px',
          zIndex: ++o.zIndex, //TODO: Don't modify option
        })

        this.helper.appendTo('body').disableSelection()
      } else {
        this.helper = this.element
      }
    },

    _change: {
      e: function (event, dx) {
        return { width: this.originalSize.width + dx }
      },
      w: function (event, dx) {
        var cs = this.originalSize,
          sp = this.originalPosition
        return { left: sp.left + dx, width: cs.width - dx }
      },
      n: function (event, dx, dy) {
        var cs = this.originalSize,
          sp = this.originalPosition
        return { top: sp.top + dy, height: cs.height - dy }
      },
      s: function (event, dx, dy) {
        return { height: this.originalSize.height + dy }
      },
      se: function (event, dx, dy) {
        return $.extend(
          this._change.s.apply(this, arguments),
          this._change.e.apply(this, [event, dx, dy])
        )
      },
      sw: function (event, dx, dy) {
        return $.extend(
          this._change.s.apply(this, arguments),
          this._change.w.apply(this, [event, dx, dy])
        )
      },
      ne: function (event, dx, dy) {
        return $.extend(
          this._change.n.apply(this, arguments),
          this._change.e.apply(this, [event, dx, dy])
        )
      },
      nw: function (event, dx, dy) {
        return $.extend(
          this._change.n.apply(this, arguments),
          this._change.w.apply(this, [event, dx, dy])
        )
      },
    },

    _propagate: function (n, event) {
      $.ui.plugin.call(this, n, [event, this.ui()])
      n !== 'resize' && this._trigger(n, event, this.ui())
    },

    plugins: {},

    ui: function () {
      return {
        originalElement: this.originalElement,
        element: this.element,
        helper: this.helper,
        position: this.position,
        size: this.size,
        originalSize: this.originalSize,
        originalPosition: this.originalPosition,
      }
    },
  })

  /*
   * Resizable Extensions
   */

  $.ui.plugin.add('resizable', 'animate', {
    stop: function (event) {
      var that = $(this).resizable('instance'),
        o = that.options,
        pr = that._proportionallyResizeElements,
        ista = pr.length && /textarea/i.test(pr[0].nodeName),
        soffseth =
          ista && that._hasScroll(pr[0], 'left') ? 0 : that.sizeDiff.height,
        soffsetw = ista ? 0 : that.sizeDiff.width,
        style = {
          width: that.size.width - soffsetw,
          height: that.size.height - soffseth,
        },
        left =
          parseFloat(that.element.css('left')) +
            (that.position.left - that.originalPosition.left) || null,
        top =
          parseFloat(that.element.css('top')) +
            (that.position.top - that.originalPosition.top) || null

      that.element.animate(
        $.extend(style, top && left ? { top: top, left: left } : {}),
        {
          duration: o.animateDuration,
          easing: o.animateEasing,
          step: function () {
            var data = {
              width: parseFloat(that.element.css('width')),
              height: parseFloat(that.element.css('height')),
              top: parseFloat(that.element.css('top')),
              left: parseFloat(that.element.css('left')),
            }

            if (pr && pr.length) {
              $(pr[0]).css({ width: data.width, height: data.height })
            }

            // Propagating resize, and updating values for each animation step
            that._updateCache(data)
            that._propagate('resize', event)
          },
        }
      )
    },
  })

  $.ui.plugin.add('resizable', 'containment', {
    start: function () {
      var element,
        p,
        co,
        ch,
        cw,
        width,
        height,
        that = $(this).resizable('instance'),
        o = that.options,
        el = that.element,
        oc = o.containment,
        ce =
          oc instanceof $
            ? oc.get(0)
            : /parent/.test(oc)
              ? el.parent().get(0)
              : oc

      if (!ce) {
        return
      }

      that.containerElement = $(ce)

      if (/document/.test(oc) || oc === document) {
        that.containerOffset = {
          left: 0,
          top: 0,
        }
        that.containerPosition = {
          left: 0,
          top: 0,
        }

        that.parentData = {
          element: $(document),
          left: 0,
          top: 0,
          width: $(document).width(),
          height: $(document).height() || document.body.parentNode.scrollHeight,
        }
      } else {
        element = $(ce)
        p = []
        $(['Top', 'Right', 'Left', 'Bottom']).each(function (i, name) {
          p[i] = that._num(element.css('padding' + name))
        })

        that.containerOffset = element.offset()
        that.containerPosition = element.position()
        that.containerSize = {
          height: element.innerHeight() - p[3],
          width: element.innerWidth() - p[1],
        }

        co = that.containerOffset
        ch = that.containerSize.height
        cw = that.containerSize.width
        width = that._hasScroll(ce, 'left') ? ce.scrollWidth : cw
        height = that._hasScroll(ce) ? ce.scrollHeight : ch

        that.parentData = {
          element: ce,
          left: co.left,
          top: co.top,
          width: width,
          height: height,
        }
      }
    },

    resize: function (event) {
      var woset,
        hoset,
        isParent,
        isOffsetRelative,
        that = $(this).resizable('instance'),
        o = that.options,
        co = that.containerOffset,
        cp = that.position,
        pRatio = that._aspectRatio || event.shiftKey,
        cop = {
          top: 0,
          left: 0,
        },
        ce = that.containerElement,
        continueResize = true

      if (ce[0] !== document && /static/.test(ce.css('position'))) {
        cop = co
      }

      if (cp.left < (that._helper ? co.left : 0)) {
        that.size.width =
          that.size.width +
          (that._helper
            ? that.position.left - co.left
            : that.position.left - cop.left)

        if (pRatio) {
          that.size.height = that.size.width / that.aspectRatio
          continueResize = false
        }
        that.position.left = o.helper ? co.left : 0
      }

      if (cp.top < (that._helper ? co.top : 0)) {
        that.size.height =
          that.size.height +
          (that._helper ? that.position.top - co.top : that.position.top)

        if (pRatio) {
          that.size.width = that.size.height * that.aspectRatio
          continueResize = false
        }
        that.position.top = that._helper ? co.top : 0
      }

      isParent = that.containerElement.get(0) === that.element.parent().get(0)
      isOffsetRelative = /relative|absolute/.test(
        that.containerElement.css('position')
      )

      if (isParent && isOffsetRelative) {
        that.offset.left = that.parentData.left + that.position.left
        that.offset.top = that.parentData.top + that.position.top
      } else {
        that.offset.left = that.element.offset().left
        that.offset.top = that.element.offset().top
      }

      woset = Math.abs(
        that.sizeDiff.width +
          (that._helper
            ? that.offset.left - cop.left
            : that.offset.left - co.left)
      )

      hoset = Math.abs(
        that.sizeDiff.height +
          (that._helper ? that.offset.top - cop.top : that.offset.top - co.top)
      )

      if (woset + that.size.width >= that.parentData.width) {
        that.size.width = that.parentData.width - woset
        if (pRatio) {
          that.size.height = that.size.width / that.aspectRatio
          continueResize = false
        }
      }

      if (hoset + that.size.height >= that.parentData.height) {
        that.size.height = that.parentData.height - hoset
        if (pRatio) {
          that.size.width = that.size.height * that.aspectRatio
          continueResize = false
        }
      }

      if (!continueResize) {
        that.position.left = that.prevPosition.left
        that.position.top = that.prevPosition.top
        that.size.width = that.prevSize.width
        that.size.height = that.prevSize.height
      }
    },

    stop: function () {
      var that = $(this).resizable('instance'),
        o = that.options,
        co = that.containerOffset,
        cop = that.containerPosition,
        ce = that.containerElement,
        helper = $(that.helper),
        ho = helper.offset(),
        w = helper.outerWidth() - that.sizeDiff.width,
        h = helper.outerHeight() - that.sizeDiff.height

      if (that._helper && !o.animate && /relative/.test(ce.css('position'))) {
        $(this).css({
          left: ho.left - cop.left - co.left,
          width: w,
          height: h,
        })
      }

      if (that._helper && !o.animate && /static/.test(ce.css('position'))) {
        $(this).css({
          left: ho.left - cop.left - co.left,
          width: w,
          height: h,
        })
      }
    },
  })

  $.ui.plugin.add('resizable', 'alsoResize', {
    start: function () {
      var that = $(this).resizable('instance'),
        o = that.options

      $(o.alsoResize).each(function () {
        var el = $(this)
        el.data('ui-resizable-alsoresize', {
          width: parseFloat(el.width()),
          height: parseFloat(el.height()),
          left: parseFloat(el.css('left')),
          top: parseFloat(el.css('top')),
        })
      })
    },

    resize: function (event, ui) {
      var that = $(this).resizable('instance'),
        o = that.options,
        os = that.originalSize,
        op = that.originalPosition,
        delta = {
          height: that.size.height - os.height || 0,
          width: that.size.width - os.width || 0,
          top: that.position.top - op.top || 0,
          left: that.position.left - op.left || 0,
        }

      $(o.alsoResize).each(function () {
        var el = $(this),
          start = $(this).data('ui-resizable-alsoresize'),
          style = {},
          css = el.parents(ui.originalElement[0]).length
            ? ['width', 'height']
            : ['width', 'height', 'top', 'left']

        $.each(css, function (i, prop) {
          var sum = (start[prop] || 0) + (delta[prop] || 0)
          if (sum && sum >= 0) {
            style[prop] = sum || null
          }
        })

        el.css(style)
      })
    },

    stop: function () {
      $(this).removeData('ui-resizable-alsoresize')
    },
  })

  $.ui.plugin.add('resizable', 'ghost', {
    start: function () {
      var that = $(this).resizable('instance'),
        cs = that.size

      that.ghost = that.originalElement.clone()
      that.ghost.css({
        opacity: 0.25,
        display: 'block',
        position: 'relative',
        height: cs.height,
        width: cs.width,
        margin: 0,
        left: 0,
        top: 0,
      })

      that._addClass(that.ghost, 'ui-resizable-ghost')

      // DEPRECATED
      // TODO: remove after 1.12
      if ($.uiBackCompat !== false && typeof that.options.ghost === 'string') {
        // Ghost option
        that.ghost.addClass(this.options.ghost)
      }

      that.ghost.appendTo(that.helper)
    },

    resize: function () {
      var that = $(this).resizable('instance')
      if (that.ghost) {
        that.ghost.css({
          position: 'relative',
          height: that.size.height,
          width: that.size.width,
        })
      }
    },

    stop: function () {
      var that = $(this).resizable('instance')
      if (that.ghost && that.helper) {
        that.helper.get(0).removeChild(that.ghost.get(0))
      }
    },
  })

  $.ui.plugin.add('resizable', 'grid', {
    resize: function () {
      var outerDimensions,
        that = $(this).resizable('instance'),
        o = that.options,
        cs = that.size,
        os = that.originalSize,
        op = that.originalPosition,
        a = that.axis,
        grid = typeof o.grid === 'number' ? [o.grid, o.grid] : o.grid,
        gridX = grid[0] || 1,
        gridY = grid[1] || 1,
        ox = Math.round((cs.width - os.width) / gridX) * gridX,
        oy = Math.round((cs.height - os.height) / gridY) * gridY,
        newWidth = os.width + ox,
        newHeight = os.height + oy,
        isMaxWidth = o.maxWidth && o.maxWidth < newWidth,
        isMaxHeight = o.maxHeight && o.maxHeight < newHeight,
        isMinWidth = o.minWidth && o.minWidth > newWidth,
        isMinHeight = o.minHeight && o.minHeight > newHeight

      o.grid = grid

      if (isMinWidth) {
        newWidth += gridX
      }
      if (isMinHeight) {
        newHeight += gridY
      }
      if (isMaxWidth) {
        newWidth -= gridX
      }
      if (isMaxHeight) {
        newHeight -= gridY
      }

      if (/^(se|s|e)$/.test(a)) {
        that.size.width = newWidth
        that.size.height = newHeight
      } else if (/^(ne)$/.test(a)) {
        that.size.width = newWidth
        that.size.height = newHeight
        that.position.top = op.top - oy
      } else if (/^(sw)$/.test(a)) {
        that.size.width = newWidth
        that.size.height = newHeight
        that.position.left = op.left - ox
      } else {
        if (newHeight - gridY <= 0 || newWidth - gridX <= 0) {
          outerDimensions = that._getPaddingPlusBorderDimensions(this)
        }

        if (newHeight - gridY > 0) {
          that.size.height = newHeight
          that.position.top = op.top - oy
        } else {
          newHeight = gridY - outerDimensions.height
          that.size.height = newHeight
          that.position.top = op.top + os.height - newHeight
        }
        if (newWidth - gridX > 0) {
          that.size.width = newWidth
          that.position.left = op.left - ox
        } else {
          newWidth = gridX - outerDimensions.width
          that.size.width = newWidth
          that.position.left = op.left + os.width - newWidth
        }
      }
    },
  })

  var widgetsResizable = $.ui.resizable

  /*!
   * jQuery UI Dialog 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Dialog
  //>>group: Widgets
  //>>description: Displays customizable dialog windows.
  //>>docs: http://api.jqueryui.com/dialog/
  //>>demos: http://jqueryui.com/dialog/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/dialog.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.dialog', {
    version: '1.12.1',
    options: {
      appendTo: 'body',
      autoOpen: true,
      buttons: [],
      classes: {
        'ui-dialog': 'ui-corner-all',
        'ui-dialog-titlebar': 'ui-corner-all',
      },
      closeOnEscape: true,
      closeText: 'Close',
      draggable: true,
      hide: null,
      height: 'auto',
      maxHeight: null,
      maxWidth: null,
      minHeight: 150,
      minWidth: 150,
      modal: false,
      position: {
        my: 'center',
        at: 'center',
        of: window,
        collision: 'fit',

        // Ensure the titlebar is always visible
        using: function (pos) {
          var topOffset = $(this).css(pos).offset().top
          if (topOffset < 0) {
            $(this).css('top', pos.top - topOffset)
          }
        },
      },
      resizable: true,
      show: null,
      title: null,
      width: 300,

      // Callbacks
      beforeClose: null,
      close: null,
      drag: null,
      dragStart: null,
      dragStop: null,
      focus: null,
      open: null,
      resize: null,
      resizeStart: null,
      resizeStop: null,
    },

    sizeRelatedOptions: {
      buttons: true,
      height: true,
      maxHeight: true,
      maxWidth: true,
      minHeight: true,
      minWidth: true,
      width: true,
    },

    resizableRelatedOptions: {
      maxHeight: true,
      maxWidth: true,
      minHeight: true,
      minWidth: true,
    },

    _create: function () {
      this.originalCss = {
        display: this.element[0].style.display,
        width: this.element[0].style.width,
        minHeight: this.element[0].style.minHeight,
        maxHeight: this.element[0].style.maxHeight,
        height: this.element[0].style.height,
      }
      this.originalPosition = {
        parent: this.element.parent(),
        index: this.element.parent().children().index(this.element),
      }
      this.originalTitle = this.element.attr('title')
      if (this.options.title == null && this.originalTitle != null) {
        this.options.title = this.originalTitle
      }

      // Dialogs can't be disabled
      if (this.options.disabled) {
        this.options.disabled = false
      }

      this._createWrapper()

      this.element.show().removeAttr('title').appendTo(this.uiDialog)

      this._addClass('ui-dialog-content', 'ui-widget-content')

      this._createTitlebar()
      this._createButtonPane()

      if (this.options.draggable && $.fn.draggable) {
        this._makeDraggable()
      }
      if (this.options.resizable && $.fn.resizable) {
        this._makeResizable()
      }

      this._isOpen = false

      this._trackFocus()
    },

    _init: function () {
      if (this.options.autoOpen) {
        this.open()
      }
    },

    _appendTo: function () {
      var element = this.options.appendTo
      if (element && (element.jquery || element.nodeType)) {
        return $(element)
      }
      return this.document.find(element || 'body').eq(0)
    },

    _destroy: function () {
      var next,
        originalPosition = this.originalPosition

      this._untrackInstance()
      this._destroyOverlay()

      this.element
        .removeUniqueId()
        .css(this.originalCss)

        // Without detaching first, the following becomes really slow
        .detach()

      this.uiDialog.remove()

      if (this.originalTitle) {
        this.element.attr('title', this.originalTitle)
      }

      next = originalPosition.parent.children().eq(originalPosition.index)

      // Don't try to place the dialog next to itself (#8613)
      if (next.length && next[0] !== this.element[0]) {
        next.before(this.element)
      } else {
        originalPosition.parent.append(this.element)
      }
    },

    widget: function () {
      return this.uiDialog
    },

    disable: $.noop,
    enable: $.noop,

    close: function (event) {
      var that = this

      if (!this._isOpen || this._trigger('beforeClose', event) === false) {
        return
      }

      this._isOpen = false
      this._focusedElement = null
      this._destroyOverlay()
      this._untrackInstance()

      if (!this.opener.filter(':focusable').trigger('focus').length) {
        // Hiding a focused element doesn't trigger blur in WebKit
        // so in case we have nothing to focus on, explicitly blur the active element
        // https://bugs.webkit.org/show_bug.cgi?id=47182
        $.ui.safeBlur($.ui.safeActiveElement(this.document[0]))
      }

      this._hide(this.uiDialog, this.options.hide, function () {
        that._trigger('close', event)
      })
    },

    isOpen: function () {
      return this._isOpen
    },

    moveToTop: function () {
      this._moveToTop()
    },

    _moveToTop: function (event, silent) {
      var moved = false,
        zIndices = this.uiDialog
          .siblings('.ui-front:visible')
          .map(function () {
            return +$(this).css('z-index')
          })
          .get(),
        zIndexMax = Math.max.apply(null, zIndices)

      if (zIndexMax >= +this.uiDialog.css('z-index')) {
        this.uiDialog.css('z-index', zIndexMax + 1)
        moved = true
      }

      if (moved && !silent) {
        this._trigger('focus', event)
      }
      return moved
    },

    open: function () {
      var that = this
      if (this._isOpen) {
        if (this._moveToTop()) {
          this._focusTabbable()
        }
        return
      }

      this._isOpen = true
      this.opener = $($.ui.safeActiveElement(this.document[0]))

      this._size()
      this._position()
      this._createOverlay()
      this._moveToTop(null, true)

      // Ensure the overlay is moved to the top with the dialog, but only when
      // opening. The overlay shouldn't move after the dialog is open so that
      // modeless dialogs opened after the modal dialog stack properly.
      if (this.overlay) {
        this.overlay.css('z-index', this.uiDialog.css('z-index') - 1)
      }

      this._show(this.uiDialog, this.options.show, function () {
        that._focusTabbable()
        that._trigger('focus')
      })

      // Track the dialog immediately upon openening in case a focus event
      // somehow occurs outside of the dialog before an element inside the
      // dialog is focused (#10152)
      this._makeFocusTarget()

      this._trigger('open')
    },

    _focusTabbable: function () {
      // Set focus to the first match:
      // 1. An element that was focused previously
      // 2. First element inside the dialog matching [autofocus]
      // 3. Tabbable element inside the content element
      // 4. Tabbable element inside the buttonpane
      // 5. The close button
      // 6. The dialog itself
      var hasFocus = this._focusedElement
      if (!hasFocus) {
        hasFocus = this.element.find('[autofocus]')
      }
      if (!hasFocus.length) {
        hasFocus = this.element.find(':tabbable')
      }
      if (!hasFocus.length) {
        hasFocus = this.uiDialogButtonPane.find(':tabbable')
      }
      if (!hasFocus.length) {
        hasFocus = this.uiDialogTitlebarClose.filter(':tabbable')
      }
      if (!hasFocus.length) {
        hasFocus = this.uiDialog
      }
      hasFocus.eq(0).trigger('focus')
    },

    _keepFocus: function (event) {
      function checkFocus() {
        var activeElement = $.ui.safeActiveElement(this.document[0]),
          isActive =
            this.uiDialog[0] === activeElement ||
            $.contains(this.uiDialog[0], activeElement)
        if (!isActive) {
          this._focusTabbable()
        }
      }
      event.preventDefault()
      checkFocus.call(this)

      // support: IE
      // IE <= 8 doesn't prevent moving focus even with event.preventDefault()
      // so we check again later
      this._delay(checkFocus)
    },

    _createWrapper: function () {
      this.uiDialog = $('<div>')
        .hide()
        .attr({
          // Setting tabIndex makes the div focusable
          tabIndex: -1,
          role: 'dialog',
        })
        .appendTo(this._appendTo())

      this._addClass(
        this.uiDialog,
        'ui-dialog',
        'ui-widget ui-widget-content ui-front'
      )
      this._on(this.uiDialog, {
        keydown: function (event) {
          if (
            this.options.closeOnEscape &&
            !event.isDefaultPrevented() &&
            event.keyCode &&
            event.keyCode === $.ui.keyCode.ESCAPE
          ) {
            event.preventDefault()
            this.close(event)
            return
          }

          // Prevent tabbing out of dialogs
          if (
            event.keyCode !== $.ui.keyCode.TAB ||
            event.isDefaultPrevented()
          ) {
            return
          }
          var tabbables = this.uiDialog.find(':tabbable'),
            first = tabbables.filter(':first'),
            last = tabbables.filter(':last')

          if (
            (event.target === last[0] || event.target === this.uiDialog[0]) &&
            !event.shiftKey
          ) {
            this._delay(function () {
              first.trigger('focus')
            })
            event.preventDefault()
          } else if (
            (event.target === first[0] || event.target === this.uiDialog[0]) &&
            event.shiftKey
          ) {
            this._delay(function () {
              last.trigger('focus')
            })
            event.preventDefault()
          }
        },
        mousedown: function (event) {
          if (this._moveToTop(event)) {
            this._focusTabbable()
          }
        },
      })

      // We assume that any existing aria-describedby attribute means
      // that the dialog content is marked up properly
      // otherwise we brute force the content as the description
      if (!this.element.find('[aria-describedby]').length) {
        this.uiDialog.attr({
          'aria-describedby': this.element.uniqueId().attr('id'),
        })
      }
    },

    _createTitlebar: function () {
      var uiDialogTitle

      this.uiDialogTitlebar = $('<div>')
      this._addClass(
        this.uiDialogTitlebar,
        'ui-dialog-titlebar',
        'ui-widget-header ui-helper-clearfix'
      )
      this._on(this.uiDialogTitlebar, {
        mousedown: function (event) {
          // Don't prevent click on close button (#8838)
          // Focusing a dialog that is partially scrolled out of view
          // causes the browser to scroll it into view, preventing the click event
          if (!$(event.target).closest('.ui-dialog-titlebar-close')) {
            // Dialog isn't getting focus when dragging (#8063)
            this.uiDialog.trigger('focus')
          }
        },
      })

      // Support: IE
      // Use type="button" to prevent enter keypresses in textboxes from closing the
      // dialog in IE (#9312)
      this.uiDialogTitlebarClose = $("<button type='button'></button>")
        .button({
          label: $('<a>').text(this.options.closeText).html(),
          icon: 'ui-icon-closethick',
          showLabel: false,
        })
        .appendTo(this.uiDialogTitlebar)

      this._addClass(this.uiDialogTitlebarClose, 'ui-dialog-titlebar-close')
      this._on(this.uiDialogTitlebarClose, {
        click: function (event) {
          event.preventDefault()
          this.close(event)
        },
      })

      uiDialogTitle = $('<span>').uniqueId().prependTo(this.uiDialogTitlebar)
      this._addClass(uiDialogTitle, 'ui-dialog-title')
      this._title(uiDialogTitle)

      this.uiDialogTitlebar.prependTo(this.uiDialog)

      this.uiDialog.attr({
        'aria-labelledby': uiDialogTitle.attr('id'),
      })
    },

    _title: function (title) {
      if (this.options.title) {
        title.text(this.options.title)
      } else {
        title.html('&#160;')
      }
    },

    _createButtonPane: function () {
      this.uiDialogButtonPane = $('<div>')
      this._addClass(
        this.uiDialogButtonPane,
        'ui-dialog-buttonpane',
        'ui-widget-content ui-helper-clearfix'
      )

      this.uiButtonSet = $('<div>').appendTo(this.uiDialogButtonPane)
      this._addClass(this.uiButtonSet, 'ui-dialog-buttonset')

      this._createButtons()
    },

    _createButtons: function () {
      var that = this,
        buttons = this.options.buttons

      // If we already have a button pane, remove it
      this.uiDialogButtonPane.remove()
      this.uiButtonSet.empty()

      if ($.isEmptyObject(buttons) || ($.isArray(buttons) && !buttons.length)) {
        this._removeClass(this.uiDialog, 'ui-dialog-buttons')
        return
      }

      $.each(buttons, function (name, props) {
        var click, buttonOptions
        props = $.isFunction(props) ? { click: props, text: name } : props

        // Default to a non-submitting button
        props = $.extend({ type: 'button' }, props)

        // Change the context for the click callback to be the main element
        click = props.click
        buttonOptions = {
          icon: props.icon,
          iconPosition: props.iconPosition,
          showLabel: props.showLabel,

          // Deprecated options
          icons: props.icons,
          text: props.text,
        }

        delete props.click
        delete props.icon
        delete props.iconPosition
        delete props.showLabel

        // Deprecated options
        delete props.icons
        if (typeof props.text === 'boolean') {
          delete props.text
        }

        $('<button></button>', props)
          .button(buttonOptions)
          .appendTo(that.uiButtonSet)
          .on('click', function () {
            click.apply(that.element[0], arguments)
          })
      })
      this._addClass(this.uiDialog, 'ui-dialog-buttons')
      this.uiDialogButtonPane.appendTo(this.uiDialog)
    },

    _makeDraggable: function () {
      var that = this,
        options = this.options

      function filteredUi(ui) {
        return {
          position: ui.position,
          offset: ui.offset,
        }
      }

      this.uiDialog.draggable({
        cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
        handle: '.ui-dialog-titlebar',
        containment: 'document',
        start: function (event, ui) {
          that._addClass($(this), 'ui-dialog-dragging')
          that._blockFrames()
          that._trigger('dragStart', event, filteredUi(ui))
        },
        drag: function (event, ui) {
          that._trigger('drag', event, filteredUi(ui))
        },
        stop: function (event, ui) {
          var left = ui.offset.left - that.document.scrollLeft(),
            top = ui.offset.top - that.document.scrollTop()

          options.position = {
            my: 'left top',
            at:
              'left' +
              (left >= 0 ? '+' : '') +
              left +
              ' ' +
              'top' +
              (top >= 0 ? '+' : '') +
              top,
            of: that.window,
          }
          that._removeClass($(this), 'ui-dialog-dragging')
          that._unblockFrames()
          that._trigger('dragStop', event, filteredUi(ui))
        },
      })
    },

    _makeResizable: function () {
      var that = this,
        options = this.options,
        handles = options.resizable,
        // .ui-resizable has position: relative defined in the stylesheet
        // but dialogs have to use absolute or fixed positioning
        position = this.uiDialog.css('position'),
        resizeHandles =
          typeof handles === 'string' ? handles : 'n,e,s,w,se,sw,ne,nw'

      function filteredUi(ui) {
        return {
          originalPosition: ui.originalPosition,
          originalSize: ui.originalSize,
          position: ui.position,
          size: ui.size,
        }
      }

      this.uiDialog
        .resizable({
          cancel: '.ui-dialog-content',
          containment: 'document',
          alsoResize: this.element,
          maxWidth: options.maxWidth,
          maxHeight: options.maxHeight,
          minWidth: options.minWidth,
          minHeight: this._minHeight(),
          handles: resizeHandles,
          start: function (event, ui) {
            that._addClass($(this), 'ui-dialog-resizing')
            that._blockFrames()
            that._trigger('resizeStart', event, filteredUi(ui))
          },
          resize: function (event, ui) {
            that._trigger('resize', event, filteredUi(ui))
          },
          stop: function (event, ui) {
            var offset = that.uiDialog.offset(),
              left = offset.left - that.document.scrollLeft(),
              top = offset.top - that.document.scrollTop()

            options.height = that.uiDialog.height()
            options.width = that.uiDialog.width()
            options.position = {
              my: 'left top',
              at:
                'left' +
                (left >= 0 ? '+' : '') +
                left +
                ' ' +
                'top' +
                (top >= 0 ? '+' : '') +
                top,
              of: that.window,
            }
            that._removeClass($(this), 'ui-dialog-resizing')
            that._unblockFrames()
            that._trigger('resizeStop', event, filteredUi(ui))
          },
        })
        .css('position', position)
    },

    _trackFocus: function () {
      this._on(this.widget(), {
        focusin: function (event) {
          this._makeFocusTarget()
          this._focusedElement = $(event.target)
        },
      })
    },

    _makeFocusTarget: function () {
      this._untrackInstance()
      this._trackingInstances().unshift(this)
    },

    _untrackInstance: function () {
      var instances = this._trackingInstances(),
        exists = $.inArray(this, instances)
      if (exists !== -1) {
        instances.splice(exists, 1)
      }
    },

    _trackingInstances: function () {
      var instances = this.document.data('ui-dialog-instances')
      if (!instances) {
        instances = []
        this.document.data('ui-dialog-instances', instances)
      }
      return instances
    },

    _minHeight: function () {
      var options = this.options

      return options.height === 'auto'
        ? options.minHeight
        : Math.min(options.minHeight, options.height)
    },

    _position: function () {
      // Need to show the dialog to get the actual offset in the position plugin
      var isVisible = this.uiDialog.is(':visible')
      if (!isVisible) {
        this.uiDialog.show()
      }
      this.uiDialog.position(this.options.position)
      if (!isVisible) {
        this.uiDialog.hide()
      }
    },

    _setOptions: function (options) {
      var that = this,
        resize = false,
        resizableOptions = {}

      $.each(options, function (key, value) {
        that._setOption(key, value)

        if (key in that.sizeRelatedOptions) {
          resize = true
        }
        if (key in that.resizableRelatedOptions) {
          resizableOptions[key] = value
        }
      })

      if (resize) {
        this._size()
        this._position()
      }
      if (this.uiDialog.is(':data(ui-resizable)')) {
        this.uiDialog.resizable('option', resizableOptions)
      }
    },

    _setOption: function (key, value) {
      var isDraggable,
        isResizable,
        uiDialog = this.uiDialog

      if (key === 'disabled') {
        return
      }

      this._super(key, value)

      if (key === 'appendTo') {
        this.uiDialog.appendTo(this._appendTo())
      }

      if (key === 'buttons') {
        this._createButtons()
      }

      if (key === 'closeText') {
        this.uiDialogTitlebarClose.button({
          // Ensure that we always pass a string
          label: $('<a>')
            .text('' + this.options.closeText)
            .html(),
        })
      }

      if (key === 'draggable') {
        isDraggable = uiDialog.is(':data(ui-draggable)')
        if (isDraggable && !value) {
          uiDialog.draggable('destroy')
        }

        if (!isDraggable && value) {
          this._makeDraggable()
        }
      }

      if (key === 'position') {
        this._position()
      }

      if (key === 'resizable') {
        // currently resizable, becoming non-resizable
        isResizable = uiDialog.is(':data(ui-resizable)')
        if (isResizable && !value) {
          uiDialog.resizable('destroy')
        }

        // Currently resizable, changing handles
        if (isResizable && typeof value === 'string') {
          uiDialog.resizable('option', 'handles', value)
        }

        // Currently non-resizable, becoming resizable
        if (!isResizable && value !== false) {
          this._makeResizable()
        }
      }

      if (key === 'title') {
        this._title(this.uiDialogTitlebar.find('.ui-dialog-title'))
      }
    },

    _size: function () {
      // If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
      // divs will both have width and height set, so we need to reset them
      var nonContentHeight,
        minContentHeight,
        maxContentHeight,
        options = this.options

      // Reset content sizing
      this.element.show().css({
        width: 'auto',
        minHeight: 0,
        maxHeight: 'none',
        height: 0,
      })

      if (options.minWidth > options.width) {
        options.width = options.minWidth
      }

      // Reset wrapper sizing
      // determine the height of all the non-content elements
      nonContentHeight = this.uiDialog
        .css({
          height: 'auto',
          width: options.width,
        })
        .outerHeight()
      minContentHeight = Math.max(0, options.minHeight - nonContentHeight)
      maxContentHeight =
        typeof options.maxHeight === 'number'
          ? Math.max(0, options.maxHeight - nonContentHeight)
          : 'none'

      if (options.height === 'auto') {
        this.element.css({
          minHeight: minContentHeight,
          maxHeight: maxContentHeight,
          height: 'auto',
        })
      } else {
        this.element.height(Math.max(0, options.height - nonContentHeight))
      }

      if (this.uiDialog.is(':data(ui-resizable)')) {
        this.uiDialog.resizable('option', 'minHeight', this._minHeight())
      }
    },

    _blockFrames: function () {
      this.iframeBlocks = this.document.find('iframe').map(function () {
        var iframe = $(this)

        return $('<div>')
          .css({
            position: 'absolute',
            width: iframe.outerWidth(),
            height: iframe.outerHeight(),
          })
          .appendTo(iframe.parent())
          .offset(iframe.offset())[0]
      })
    },

    _unblockFrames: function () {
      if (this.iframeBlocks) {
        this.iframeBlocks.remove()
        delete this.iframeBlocks
      }
    },

    _allowInteraction: function (event) {
      if ($(event.target).closest('.ui-dialog').length) {
        return true
      }

      // TODO: Remove hack when datepicker implements
      // the .ui-front logic (#8989)
      return !!$(event.target).closest('.ui-datepicker').length
    },

    _createOverlay: function () {
      if (!this.options.modal) {
        return
      }

      // We use a delay in case the overlay is created from an
      // event that we're going to be cancelling (#2804)
      var isOpening = true
      this._delay(function () {
        isOpening = false
      })

      if (!this.document.data('ui-dialog-overlays')) {
        // Prevent use of anchors and inputs
        // Using _on() for an event handler shared across many instances is
        // safe because the dialogs stack and must be closed in reverse order
        this._on(this.document, {
          focusin: function (event) {
            if (isOpening) {
              return
            }

            if (!this._allowInteraction(event)) {
              event.preventDefault()
              this._trackingInstances()[0]._focusTabbable()
            }
          },
        })
      }

      this.overlay = $('<div>').appendTo(this._appendTo())

      this._addClass(this.overlay, null, 'ui-widget-overlay ui-front')
      this._on(this.overlay, {
        mousedown: '_keepFocus',
      })
      this.document.data(
        'ui-dialog-overlays',
        (this.document.data('ui-dialog-overlays') || 0) + 1
      )
    },

    _destroyOverlay: function () {
      if (!this.options.modal) {
        return
      }

      if (this.overlay) {
        var overlays = this.document.data('ui-dialog-overlays') - 1

        if (!overlays) {
          this._off(this.document, 'focusin')
          this.document.removeData('ui-dialog-overlays')
        } else {
          this.document.data('ui-dialog-overlays', overlays)
        }

        this.overlay.remove()
        this.overlay = null
      }
    },
  })

  // DEPRECATED
  // TODO: switch return back to widget declaration at top of file when this is removed
  if ($.uiBackCompat !== false) {
    // Backcompat for dialogClass option
    $.widget('ui.dialog', $.ui.dialog, {
      options: {
        dialogClass: '',
      },
      _createWrapper: function () {
        this._super()
        this.uiDialog.addClass(this.options.dialogClass)
      },
      _setOption: function (key, value) {
        if (key === 'dialogClass') {
          this.uiDialog.removeClass(this.options.dialogClass).addClass(value)
        }
        this._superApply(arguments)
      },
    })
  }

  var widgetsDialog = $.ui.dialog

  /*!
   * jQuery UI Droppable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Droppable
  //>>group: Interactions
  //>>description: Enables drop targets for draggable elements.
  //>>docs: http://api.jqueryui.com/droppable/
  //>>demos: http://jqueryui.com/droppable/

  $.widget('ui.droppable', {
    version: '1.12.1',
    widgetEventPrefix: 'drop',
    options: {
      accept: '*',
      addClasses: true,
      greedy: false,
      scope: 'default',
      tolerance: 'intersect',

      // Callbacks
      activate: null,
      deactivate: null,
      drop: null,
      out: null,
      over: null,
    },
    _create: function () {
      var proportions,
        o = this.options,
        accept = o.accept

      this.isover = false
      this.isout = true

      this.accept = $.isFunction(accept)
        ? accept
        : function (d) {
            return d.is(accept)
          }

      this.proportions = function (/* valueToWrite */) {
        if (arguments.length) {
          // Store the droppable's proportions
          proportions = arguments[0]
        } else {
          // Retrieve or derive the droppable's proportions
          return proportions
            ? proportions
            : (proportions = {
                width: this.element[0].offsetWidth,
                height: this.element[0].offsetHeight,
              })
        }
      }

      this._addToManager(o.scope)

      o.addClasses && this._addClass('ui-droppable')
    },

    _addToManager: function (scope) {
      // Add the reference and positions to the manager
      $.ui.ddmanager.droppables[scope] = $.ui.ddmanager.droppables[scope] || []
      $.ui.ddmanager.droppables[scope].push(this)
    },

    _splice: function (drop) {
      var i = 0
      for (; i < drop.length; i++) {
        if (drop[i] === this) {
          drop.splice(i, 1)
        }
      }
    },

    _destroy: function () {
      var drop = $.ui.ddmanager.droppables[this.options.scope]

      this._splice(drop)
    },

    _setOption: function (key, value) {
      if (key === 'accept') {
        this.accept = $.isFunction(value)
          ? value
          : function (d) {
              return d.is(value)
            }
      } else if (key === 'scope') {
        var drop = $.ui.ddmanager.droppables[this.options.scope]

        this._splice(drop)
        this._addToManager(value)
      }

      this._super(key, value)
    },

    _activate: function (event) {
      var draggable = $.ui.ddmanager.current

      this._addActiveClass()
      if (draggable) {
        this._trigger('activate', event, this.ui(draggable))
      }
    },

    _deactivate: function (event) {
      var draggable = $.ui.ddmanager.current

      this._removeActiveClass()
      if (draggable) {
        this._trigger('deactivate', event, this.ui(draggable))
      }
    },

    _over: function (event) {
      var draggable = $.ui.ddmanager.current

      // Bail if draggable and droppable are same element
      if (
        !draggable ||
        (draggable.currentItem || draggable.element)[0] === this.element[0]
      ) {
        return
      }

      if (
        this.accept.call(
          this.element[0],
          draggable.currentItem || draggable.element
        )
      ) {
        this._addHoverClass()
        this._trigger('over', event, this.ui(draggable))
      }
    },

    _out: function (event) {
      var draggable = $.ui.ddmanager.current

      // Bail if draggable and droppable are same element
      if (
        !draggable ||
        (draggable.currentItem || draggable.element)[0] === this.element[0]
      ) {
        return
      }

      if (
        this.accept.call(
          this.element[0],
          draggable.currentItem || draggable.element
        )
      ) {
        this._removeHoverClass()
        this._trigger('out', event, this.ui(draggable))
      }
    },

    _drop: function (event, custom) {
      var draggable = custom || $.ui.ddmanager.current,
        childrenIntersection = false

      // Bail if draggable and droppable are same element
      if (
        !draggable ||
        (draggable.currentItem || draggable.element)[0] === this.element[0]
      ) {
        return false
      }

      this.element
        .find(':data(ui-droppable)')
        .not('.ui-draggable-dragging')
        .each(function () {
          var inst = $(this).droppable('instance')
          if (
            inst.options.greedy &&
            !inst.options.disabled &&
            inst.options.scope === draggable.options.scope &&
            inst.accept.call(
              inst.element[0],
              draggable.currentItem || draggable.element
            ) &&
            intersect(
              draggable,
              $.extend(inst, { offset: inst.element.offset() }),
              inst.options.tolerance,
              event
            )
          ) {
            childrenIntersection = true
            return false
          }
        })
      if (childrenIntersection) {
        return false
      }

      if (
        this.accept.call(
          this.element[0],
          draggable.currentItem || draggable.element
        )
      ) {
        this._removeActiveClass()
        this._removeHoverClass()

        this._trigger('drop', event, this.ui(draggable))
        return this.element
      }

      return false
    },

    ui: function (c) {
      return {
        draggable: c.currentItem || c.element,
        helper: c.helper,
        position: c.position,
        offset: c.positionAbs,
      }
    },

    // Extension points just to make backcompat sane and avoid duplicating logic
    // TODO: Remove in 1.13 along with call to it below
    _addHoverClass: function () {
      this._addClass('ui-droppable-hover')
    },

    _removeHoverClass: function () {
      this._removeClass('ui-droppable-hover')
    },

    _addActiveClass: function () {
      this._addClass('ui-droppable-active')
    },

    _removeActiveClass: function () {
      this._removeClass('ui-droppable-active')
    },
  })

  var intersect = ($.ui.intersect = (function () {
    function isOverAxis(x, reference, size) {
      return x >= reference && x < reference + size
    }

    return function (draggable, droppable, toleranceMode, event) {
      if (!droppable.offset) {
        return false
      }

      var x1 =
          (draggable.positionAbs || draggable.position.absolute).left +
          draggable.margins.left,
        y1 =
          (draggable.positionAbs || draggable.position.absolute).top +
          draggable.margins.top,
        x2 = x1 + draggable.helperProportions.width,
        y2 = y1 + draggable.helperProportions.height,
        l = droppable.offset.left,
        t = droppable.offset.top,
        r = l + droppable.proportions().width,
        b = t + droppable.proportions().height

      switch (toleranceMode) {
        case 'fit':
          return l <= x1 && x2 <= r && t <= y1 && y2 <= b
        case 'intersect':
          return (
            l < x1 + draggable.helperProportions.width / 2 && // Right Half
            x2 - draggable.helperProportions.width / 2 < r && // Left Half
            t < y1 + draggable.helperProportions.height / 2 && // Bottom Half
            y2 - draggable.helperProportions.height / 2 < b
          ) // Top Half
        case 'pointer':
          return (
            isOverAxis(event.pageY, t, droppable.proportions().height) &&
            isOverAxis(event.pageX, l, droppable.proportions().width)
          )
        case 'touch':
          return (
            ((y1 >= t && y1 <= b) || // Top edge touching
              (y2 >= t && y2 <= b) || // Bottom edge touching
              (y1 < t && y2 > b)) && // Surrounded vertically
            ((x1 >= l && x1 <= r) || // Left edge touching
              (x2 >= l && x2 <= r) || // Right edge touching
              (x1 < l && x2 > r)) // Surrounded horizontally
          )
        default:
          return false
      }
    }
  })())

  /*
	This manager tracks offsets of draggables and droppables
*/
  $.ui.ddmanager = {
    current: null,
    droppables: { default: [] },
    prepareOffsets: function (t, event) {
      var i,
        j,
        m = $.ui.ddmanager.droppables[t.options.scope] || [],
        type = event ? event.type : null, // workaround for #2317
        list = (t.currentItem || t.element)
          .find(':data(ui-droppable)')
          .addBack()

      droppablesLoop: for (i = 0; i < m.length; i++) {
        // No disabled and non-accepted
        if (
          m[i].options.disabled ||
          (t && !m[i].accept.call(m[i].element[0], t.currentItem || t.element))
        ) {
          continue
        }

        // Filter out elements in the current dragged item
        for (j = 0; j < list.length; j++) {
          if (list[j] === m[i].element[0]) {
            m[i].proportions().height = 0
            continue droppablesLoop
          }
        }

        m[i].visible = m[i].element.css('display') !== 'none'
        if (!m[i].visible) {
          continue
        }

        // Activate the droppable if used directly from draggables
        if (type === 'mousedown') {
          m[i]._activate.call(m[i], event)
        }

        m[i].offset = m[i].element.offset()
        m[i].proportions({
          width: m[i].element[0].offsetWidth,
          height: m[i].element[0].offsetHeight,
        })
      }
    },
    drop: function (draggable, event) {
      var dropped = false

      // Create a copy of the droppables in case the list changes during the drop (#9116)
      $.each(
        ($.ui.ddmanager.droppables[draggable.options.scope] || []).slice(),
        function () {
          if (!this.options) {
            return
          }
          if (
            !this.options.disabled &&
            this.visible &&
            intersect(draggable, this, this.options.tolerance, event)
          ) {
            dropped = this._drop.call(this, event) || dropped
          }

          if (
            !this.options.disabled &&
            this.visible &&
            this.accept.call(
              this.element[0],
              draggable.currentItem || draggable.element
            )
          ) {
            this.isout = true
            this.isover = false
            this._deactivate.call(this, event)
          }
        }
      )
      return dropped
    },
    dragStart: function (draggable, event) {
      // Listen for scrolling so that if the dragging causes scrolling the position of the
      // droppables can be recalculated (see #5003)
      draggable.element
        .parentsUntil('body')
        .on('scroll.droppable', function () {
          if (!draggable.options.refreshPositions) {
            $.ui.ddmanager.prepareOffsets(draggable, event)
          }
        })
    },
    drag: function (draggable, event) {
      // If you have a highly dynamic page, you might try this option. It renders positions
      // every time you move the mouse.
      if (draggable.options.refreshPositions) {
        $.ui.ddmanager.prepareOffsets(draggable, event)
      }

      // Run through all droppables and check their positions based on specific tolerance options
      $.each(
        $.ui.ddmanager.droppables[draggable.options.scope] || [],
        function () {
          if (this.options.disabled || this.greedyChild || !this.visible) {
            return
          }

          var parentInstance,
            scope,
            parent,
            intersects = intersect(
              draggable,
              this,
              this.options.tolerance,
              event
            ),
            c =
              !intersects && this.isover
                ? 'isout'
                : intersects && !this.isover
                  ? 'isover'
                  : null
          if (!c) {
            return
          }

          if (this.options.greedy) {
            // find droppable parents with same scope
            scope = this.options.scope
            parent = this.element
              .parents(':data(ui-droppable)')
              .filter(function () {
                return $(this).droppable('instance').options.scope === scope
              })

            if (parent.length) {
              parentInstance = $(parent[0]).droppable('instance')
              parentInstance.greedyChild = c === 'isover'
            }
          }

          // We just moved into a greedy child
          if (parentInstance && c === 'isover') {
            parentInstance.isover = false
            parentInstance.isout = true
            parentInstance._out.call(parentInstance, event)
          }

          this[c] = true
          this[c === 'isout' ? 'isover' : 'isout'] = false
          this[c === 'isover' ? '_over' : '_out'].call(this, event)

          // We just moved out of a greedy child
          if (parentInstance && c === 'isout') {
            parentInstance.isout = false
            parentInstance.isover = true
            parentInstance._over.call(parentInstance, event)
          }
        }
      )
    },
    dragStop: function (draggable, event) {
      draggable.element.parentsUntil('body').off('scroll.droppable')

      // Call prepareOffsets one final time since IE does not fire return scroll events when
      // overflow was caused by drag (see #5003)
      if (!draggable.options.refreshPositions) {
        $.ui.ddmanager.prepareOffsets(draggable, event)
      }
    },
  }

  // DEPRECATED
  // TODO: switch return back to widget declaration at top of file when this is removed
  if ($.uiBackCompat !== false) {
    // Backcompat for activeClass and hoverClass options
    $.widget('ui.droppable', $.ui.droppable, {
      options: {
        hoverClass: false,
        activeClass: false,
      },
      _addActiveClass: function () {
        this._super()
        if (this.options.activeClass) {
          this.element.addClass(this.options.activeClass)
        }
      },
      _removeActiveClass: function () {
        this._super()
        if (this.options.activeClass) {
          this.element.removeClass(this.options.activeClass)
        }
      },
      _addHoverClass: function () {
        this._super()
        if (this.options.hoverClass) {
          this.element.addClass(this.options.hoverClass)
        }
      },
      _removeHoverClass: function () {
        this._super()
        if (this.options.hoverClass) {
          this.element.removeClass(this.options.hoverClass)
        }
      },
    })
  }

  var widgetsDroppable = $.ui.droppable

  /*!
   * jQuery UI Progressbar 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Progressbar
  //>>group: Widgets
  // jscs:disable maximumLineLength
  //>>description: Displays a status indicator for loading state, standard percentage, and other progress indicators.
  // jscs:enable maximumLineLength
  //>>docs: http://api.jqueryui.com/progressbar/
  //>>demos: http://jqueryui.com/progressbar/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/progressbar.css
  //>>css.theme: ../../themes/base/theme.css

  var widgetsProgressbar = $.widget('ui.progressbar', {
    version: '1.12.1',
    options: {
      classes: {
        'ui-progressbar': 'ui-corner-all',
        'ui-progressbar-value': 'ui-corner-left',
        'ui-progressbar-complete': 'ui-corner-right',
      },
      max: 100,
      value: 0,

      change: null,
      complete: null,
    },

    min: 0,

    _create: function () {
      // Constrain initial value
      this.oldValue = this.options.value = this._constrainedValue()

      this.element.attr({
        // Only set static values; aria-valuenow and aria-valuemax are
        // set inside _refreshValue()
        role: 'progressbar',
        'aria-valuemin': this.min,
      })
      this._addClass('ui-progressbar', 'ui-widget ui-widget-content')

      this.valueDiv = $('<div>').appendTo(this.element)
      this._addClass(this.valueDiv, 'ui-progressbar-value', 'ui-widget-header')
      this._refreshValue()
    },

    _destroy: function () {
      this.element.removeAttr('role aria-valuemin aria-valuemax aria-valuenow')

      this.valueDiv.remove()
    },

    value: function (newValue) {
      if (newValue === undefined) {
        return this.options.value
      }

      this.options.value = this._constrainedValue(newValue)
      this._refreshValue()
    },

    _constrainedValue: function (newValue) {
      if (newValue === undefined) {
        newValue = this.options.value
      }

      this.indeterminate = newValue === false

      // Sanitize value
      if (typeof newValue !== 'number') {
        newValue = 0
      }

      return this.indeterminate
        ? false
        : Math.min(this.options.max, Math.max(this.min, newValue))
    },

    _setOptions: function (options) {
      // Ensure "value" option is set after other values (like max)
      var value = options.value
      delete options.value

      this._super(options)

      this.options.value = this._constrainedValue(value)
      this._refreshValue()
    },

    _setOption: function (key, value) {
      if (key === 'max') {
        // Don't allow a max less than min
        value = Math.max(this.min, value)
      }
      this._super(key, value)
    },

    _setOptionDisabled: function (value) {
      this._super(value)

      this.element.attr('aria-disabled', value)
      this._toggleClass(null, 'ui-state-disabled', !!value)
    },

    _percentage: function () {
      return this.indeterminate
        ? 100
        : (100 * (this.options.value - this.min)) /
            (this.options.max - this.min)
    },

    _refreshValue: function () {
      var value = this.options.value,
        percentage = this._percentage()

      this.valueDiv
        .toggle(this.indeterminate || value > this.min)
        .width(percentage.toFixed(0) + '%')

      this._toggleClass(
        this.valueDiv,
        'ui-progressbar-complete',
        null,
        value === this.options.max
      )._toggleClass('ui-progressbar-indeterminate', null, this.indeterminate)

      if (this.indeterminate) {
        this.element.removeAttr('aria-valuenow')
        if (!this.overlayDiv) {
          this.overlayDiv = $('<div>').appendTo(this.valueDiv)
          this._addClass(this.overlayDiv, 'ui-progressbar-overlay')
        }
      } else {
        this.element.attr({
          'aria-valuemax': this.options.max,
          'aria-valuenow': value,
        })
        if (this.overlayDiv) {
          this.overlayDiv.remove()
          this.overlayDiv = null
        }
      }

      if (this.oldValue !== value) {
        this.oldValue = value
        this._trigger('change')
      }
      if (value === this.options.max) {
        this._trigger('complete')
      }
    },
  })

  /*!
   * jQuery UI Selectable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Selectable
  //>>group: Interactions
  //>>description: Allows groups of elements to be selected with the mouse.
  //>>docs: http://api.jqueryui.com/selectable/
  //>>demos: http://jqueryui.com/selectable/
  //>>css.structure: ../../themes/base/selectable.css

  var widgetsSelectable = $.widget('ui.selectable', $.ui.mouse, {
    version: '1.12.1',
    options: {
      appendTo: 'body',
      autoRefresh: true,
      distance: 0,
      filter: '*',
      tolerance: 'touch',

      // Callbacks
      selected: null,
      selecting: null,
      start: null,
      stop: null,
      unselected: null,
      unselecting: null,
    },
    _create: function () {
      var that = this

      this._addClass('ui-selectable')

      this.dragged = false

      // Cache selectee children based on filter
      this.refresh = function () {
        that.elementPos = $(that.element[0]).offset()
        that.selectees = $(that.options.filter, that.element[0])
        that._addClass(that.selectees, 'ui-selectee')
        that.selectees.each(function () {
          var $this = $(this),
            selecteeOffset = $this.offset(),
            pos = {
              left: selecteeOffset.left - that.elementPos.left,
              top: selecteeOffset.top - that.elementPos.top,
            }
          $.data(this, 'selectable-item', {
            element: this,
            $element: $this,
            left: pos.left,
            top: pos.top,
            right: pos.left + $this.outerWidth(),
            bottom: pos.top + $this.outerHeight(),
            startselected: false,
            selected: $this.hasClass('ui-selected'),
            selecting: $this.hasClass('ui-selecting'),
            unselecting: $this.hasClass('ui-unselecting'),
          })
        })
      }
      this.refresh()

      this._mouseInit()

      this.helper = $('<div>')
      this._addClass(this.helper, 'ui-selectable-helper')
    },

    _destroy: function () {
      this.selectees.removeData('selectable-item')
      this._mouseDestroy()
    },

    _mouseStart: function (event) {
      var that = this,
        options = this.options

      this.opos = [event.pageX, event.pageY]
      this.elementPos = $(this.element[0]).offset()

      if (this.options.disabled) {
        return
      }

      this.selectees = $(options.filter, this.element[0])

      this._trigger('start', event)

      $(options.appendTo).append(this.helper)

      // position helper (lasso)
      this.helper.css({
        left: event.pageX,
        top: event.pageY,
        width: 0,
        height: 0,
      })

      if (options.autoRefresh) {
        this.refresh()
      }

      this.selectees.filter('.ui-selected').each(function () {
        var selectee = $.data(this, 'selectable-item')
        selectee.startselected = true
        if (!event.metaKey && !event.ctrlKey) {
          that._removeClass(selectee.$element, 'ui-selected')
          selectee.selected = false
          that._addClass(selectee.$element, 'ui-unselecting')
          selectee.unselecting = true

          // selectable UNSELECTING callback
          that._trigger('unselecting', event, {
            unselecting: selectee.element,
          })
        }
      })

      $(event.target)
        .parents()
        .addBack()
        .each(function () {
          var doSelect,
            selectee = $.data(this, 'selectable-item')
          if (selectee) {
            doSelect =
              (!event.metaKey && !event.ctrlKey) ||
              !selectee.$element.hasClass('ui-selected')
            that
              ._removeClass(
                selectee.$element,
                doSelect ? 'ui-unselecting' : 'ui-selected'
              )
              ._addClass(
                selectee.$element,
                doSelect ? 'ui-selecting' : 'ui-unselecting'
              )
            selectee.unselecting = !doSelect
            selectee.selecting = doSelect
            selectee.selected = doSelect

            // selectable (UN)SELECTING callback
            if (doSelect) {
              that._trigger('selecting', event, {
                selecting: selectee.element,
              })
            } else {
              that._trigger('unselecting', event, {
                unselecting: selectee.element,
              })
            }
            return false
          }
        })
    },

    _mouseDrag: function (event) {
      this.dragged = true

      if (this.options.disabled) {
        return
      }

      var tmp,
        that = this,
        options = this.options,
        x1 = this.opos[0],
        y1 = this.opos[1],
        x2 = event.pageX,
        y2 = event.pageY

      if (x1 > x2) {
        tmp = x2
        x2 = x1
        x1 = tmp
      }
      if (y1 > y2) {
        tmp = y2
        y2 = y1
        y1 = tmp
      }
      this.helper.css({ left: x1, top: y1, width: x2 - x1, height: y2 - y1 })

      this.selectees.each(function () {
        var selectee = $.data(this, 'selectable-item'),
          hit = false,
          offset = {}

        //prevent helper from being selected if appendTo: selectable
        if (!selectee || selectee.element === that.element[0]) {
          return
        }

        offset.left = selectee.left + that.elementPos.left
        offset.right = selectee.right + that.elementPos.left
        offset.top = selectee.top + that.elementPos.top
        offset.bottom = selectee.bottom + that.elementPos.top

        if (options.tolerance === 'touch') {
          hit = !(
            offset.left > x2 ||
            offset.right < x1 ||
            offset.top > y2 ||
            offset.bottom < y1
          )
        } else if (options.tolerance === 'fit') {
          hit =
            offset.left > x1 &&
            offset.right < x2 &&
            offset.top > y1 &&
            offset.bottom < y2
        }

        if (hit) {
          // SELECT
          if (selectee.selected) {
            that._removeClass(selectee.$element, 'ui-selected')
            selectee.selected = false
          }
          if (selectee.unselecting) {
            that._removeClass(selectee.$element, 'ui-unselecting')
            selectee.unselecting = false
          }
          if (!selectee.selecting) {
            that._addClass(selectee.$element, 'ui-selecting')
            selectee.selecting = true

            // selectable SELECTING callback
            that._trigger('selecting', event, {
              selecting: selectee.element,
            })
          }
        } else {
          // UNSELECT
          if (selectee.selecting) {
            if ((event.metaKey || event.ctrlKey) && selectee.startselected) {
              that._removeClass(selectee.$element, 'ui-selecting')
              selectee.selecting = false
              that._addClass(selectee.$element, 'ui-selected')
              selectee.selected = true
            } else {
              that._removeClass(selectee.$element, 'ui-selecting')
              selectee.selecting = false
              if (selectee.startselected) {
                that._addClass(selectee.$element, 'ui-unselecting')
                selectee.unselecting = true
              }

              // selectable UNSELECTING callback
              that._trigger('unselecting', event, {
                unselecting: selectee.element,
              })
            }
          }
          if (selectee.selected) {
            if (!event.metaKey && !event.ctrlKey && !selectee.startselected) {
              that._removeClass(selectee.$element, 'ui-selected')
              selectee.selected = false

              that._addClass(selectee.$element, 'ui-unselecting')
              selectee.unselecting = true

              // selectable UNSELECTING callback
              that._trigger('unselecting', event, {
                unselecting: selectee.element,
              })
            }
          }
        }
      })

      return false
    },

    _mouseStop: function (event) {
      var that = this

      this.dragged = false

      $('.ui-unselecting', this.element[0]).each(function () {
        var selectee = $.data(this, 'selectable-item')
        that._removeClass(selectee.$element, 'ui-unselecting')
        selectee.unselecting = false
        selectee.startselected = false
        that._trigger('unselected', event, {
          unselected: selectee.element,
        })
      })
      $('.ui-selecting', this.element[0]).each(function () {
        var selectee = $.data(this, 'selectable-item')
        that
          ._removeClass(selectee.$element, 'ui-selecting')
          ._addClass(selectee.$element, 'ui-selected')
        selectee.selecting = false
        selectee.selected = true
        selectee.startselected = true
        that._trigger('selected', event, {
          selected: selectee.element,
        })
      })
      this._trigger('stop', event)

      this.helper.remove()

      return false
    },
  })

  /*!
   * jQuery UI Selectmenu 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Selectmenu
  //>>group: Widgets
  // jscs:disable maximumLineLength
  //>>description: Duplicates and extends the functionality of a native HTML select element, allowing it to be customizable in behavior and appearance far beyond the limitations of a native select.
  // jscs:enable maximumLineLength
  //>>docs: http://api.jqueryui.com/selectmenu/
  //>>demos: http://jqueryui.com/selectmenu/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/selectmenu.css, ../../themes/base/button.css
  //>>css.theme: ../../themes/base/theme.css

  var widgetsSelectmenu = $.widget('ui.selectmenu', [
    $.ui.formResetMixin,
    {
      version: '1.12.1',
      defaultElement: '<select>',
      options: {
        appendTo: null,
        classes: {
          'ui-selectmenu-button-open': 'ui-corner-top',
          'ui-selectmenu-button-closed': 'ui-corner-all',
        },
        disabled: null,
        icons: {
          button: 'ui-icon-triangle-1-s',
        },
        position: {
          my: 'left top',
          at: 'left bottom',
          collision: 'none',
        },
        width: false,

        // Callbacks
        change: null,
        close: null,
        focus: null,
        open: null,
        select: null,
      },

      _create: function () {
        var selectmenuId = this.element.uniqueId().attr('id')
        this.ids = {
          element: selectmenuId,
          button: selectmenuId + '-button',
          menu: selectmenuId + '-menu',
        }

        this._drawButton()
        this._drawMenu()
        this._bindFormResetHandler()

        this._rendered = false
        this.menuItems = $()
      },

      _drawButton: function () {
        var icon,
          that = this,
          item = this._parseOption(
            this.element.find('option:selected'),
            this.element[0].selectedIndex
          )

        // Associate existing label with the new button
        this.labels = this.element.labels().attr('for', this.ids.button)
        this._on(this.labels, {
          click: function (event) {
            this.button.focus()
            event.preventDefault()
          },
        })

        // Hide original select element
        this.element.hide()

        // Create button
        this.button = $('<span>', {
          tabindex: this.options.disabled ? -1 : 0,
          id: this.ids.button,
          role: 'combobox',
          'aria-expanded': 'false',
          'aria-autocomplete': 'list',
          'aria-owns': this.ids.menu,
          'aria-haspopup': 'true',
          title: this.element.attr('title'),
        }).insertAfter(this.element)

        this._addClass(
          this.button,
          'ui-selectmenu-button ui-selectmenu-button-closed',
          'ui-button ui-widget'
        )

        icon = $('<span>').appendTo(this.button)
        this._addClass(
          icon,
          'ui-selectmenu-icon',
          'ui-icon ' + this.options.icons.button
        )
        this.buttonItem = this._renderButtonItem(item).appendTo(this.button)

        if (this.options.width !== false) {
          this._resizeButton()
        }

        this._on(this.button, this._buttonEvents)
        this.button.one('focusin', function () {
          // Delay rendering the menu items until the button receives focus.
          // The menu may have already been rendered via a programmatic open.
          if (!that._rendered) {
            that._refreshMenu()
          }
        })
      },

      _drawMenu: function () {
        var that = this

        // Create menu
        this.menu = $('<ul>', {
          'aria-hidden': 'true',
          'aria-labelledby': this.ids.button,
          id: this.ids.menu,
        })

        // Wrap menu
        this.menuWrap = $('<div>').append(this.menu)
        this._addClass(this.menuWrap, 'ui-selectmenu-menu', 'ui-front')
        this.menuWrap.appendTo(this._appendTo())

        // Initialize menu widget
        this.menuInstance = this.menu
          .menu({
            classes: {
              'ui-menu': 'ui-corner-bottom',
            },
            role: 'listbox',
            select: function (event, ui) {
              event.preventDefault()

              // Support: IE8
              // If the item was selected via a click, the text selection
              // will be destroyed in IE
              that._setSelection()

              that._select(ui.item.data('ui-selectmenu-item'), event)
            },
            focus: function (event, ui) {
              var item = ui.item.data('ui-selectmenu-item')

              // Prevent inital focus from firing and check if its a newly focused item
              if (that.focusIndex != null && item.index !== that.focusIndex) {
                that._trigger('focus', event, { item: item })
                if (!that.isOpen) {
                  that._select(item, event)
                }
              }
              that.focusIndex = item.index

              that.button.attr(
                'aria-activedescendant',
                that.menuItems.eq(item.index).attr('id')
              )
            },
          })
          .menu('instance')

        // Don't close the menu on mouseleave
        this.menuInstance._off(this.menu, 'mouseleave')

        // Cancel the menu's collapseAll on document click
        this.menuInstance._closeOnDocumentClick = function () {
          return false
        }

        // Selects often contain empty items, but never contain dividers
        this.menuInstance._isDivider = function () {
          return false
        }
      },

      refresh: function () {
        this._refreshMenu()
        this.buttonItem.replaceWith(
          (this.buttonItem = this._renderButtonItem(
            // Fall back to an empty object in case there are no options
            this._getSelectedItem().data('ui-selectmenu-item') || {}
          ))
        )
        if (this.options.width === null) {
          this._resizeButton()
        }
      },

      _refreshMenu: function () {
        var item,
          options = this.element.find('option')

        this.menu.empty()

        this._parseOptions(options)
        this._renderMenu(this.menu, this.items)

        this.menuInstance.refresh()
        this.menuItems = this.menu
          .find('li')
          .not('.ui-selectmenu-optgroup')
          .find('.ui-menu-item-wrapper')

        this._rendered = true

        if (!options.length) {
          return
        }

        item = this._getSelectedItem()

        // Update the menu to have the correct item focused
        this.menuInstance.focus(null, item)
        this._setAria(item.data('ui-selectmenu-item'))

        // Set disabled state
        this._setOption('disabled', this.element.prop('disabled'))
      },

      open: function (event) {
        if (this.options.disabled) {
          return
        }

        // If this is the first time the menu is being opened, render the items
        if (!this._rendered) {
          this._refreshMenu()
        } else {
          // Menu clears focus on close, reset focus to selected item
          this._removeClass(
            this.menu.find('.ui-state-active'),
            null,
            'ui-state-active'
          )
          this.menuInstance.focus(null, this._getSelectedItem())
        }

        // If there are no options, don't open the menu
        if (!this.menuItems.length) {
          return
        }

        this.isOpen = true
        this._toggleAttr()
        this._resizeMenu()
        this._position()

        this._on(this.document, this._documentClick)

        this._trigger('open', event)
      },

      _position: function () {
        this.menuWrap.position(
          $.extend({ of: this.button }, this.options.position)
        )
      },

      close: function (event) {
        if (!this.isOpen) {
          return
        }

        this.isOpen = false
        this._toggleAttr()

        this.range = null
        this._off(this.document)

        this._trigger('close', event)
      },

      widget: function () {
        return this.button
      },

      menuWidget: function () {
        return this.menu
      },

      _renderButtonItem: function (item) {
        var buttonItem = $('<span>')

        this._setText(buttonItem, item.label)
        this._addClass(buttonItem, 'ui-selectmenu-text')

        return buttonItem
      },

      _renderMenu: function (ul, items) {
        var that = this,
          currentOptgroup = ''

        $.each(items, function (index, item) {
          var li

          if (item.optgroup !== currentOptgroup) {
            li = $('<li>', {
              text: item.optgroup,
            })
            that._addClass(
              li,
              'ui-selectmenu-optgroup',
              'ui-menu-divider' +
                (item.element.parent('optgroup').prop('disabled')
                  ? ' ui-state-disabled'
                  : '')
            )

            li.appendTo(ul)

            currentOptgroup = item.optgroup
          }

          that._renderItemData(ul, item)
        })
      },

      _renderItemData: function (ul, item) {
        return this._renderItem(ul, item).data('ui-selectmenu-item', item)
      },

      _renderItem: function (ul, item) {
        var li = $('<li>'),
          wrapper = $('<div>', {
            title: item.element.attr('title'),
          })

        if (item.disabled) {
          this._addClass(li, null, 'ui-state-disabled')
        }
        this._setText(wrapper, item.label)

        return li.append(wrapper).appendTo(ul)
      },

      _setText: function (element, value) {
        if (value) {
          element.text(value)
        } else {
          element.html('&#160;')
        }
      },

      _move: function (direction, event) {
        var item,
          next,
          filter = '.ui-menu-item'

        if (this.isOpen) {
          item = this.menuItems.eq(this.focusIndex).parent('li')
        } else {
          item = this.menuItems.eq(this.element[0].selectedIndex).parent('li')
          filter += ':not(.ui-state-disabled)'
        }

        if (direction === 'first' || direction === 'last') {
          next =
            item[direction === 'first' ? 'prevAll' : 'nextAll'](filter).eq(-1)
        } else {
          next = item[direction + 'All'](filter).eq(0)
        }

        if (next.length) {
          this.menuInstance.focus(event, next)
        }
      },

      _getSelectedItem: function () {
        return this.menuItems.eq(this.element[0].selectedIndex).parent('li')
      },

      _toggle: function (event) {
        this[this.isOpen ? 'close' : 'open'](event)
      },

      _setSelection: function () {
        var selection

        if (!this.range) {
          return
        }

        if (window.getSelection) {
          selection = window.getSelection()
          selection.removeAllRanges()
          selection.addRange(this.range)

          // Support: IE8
        } else {
          this.range.select()
        }

        // Support: IE
        // Setting the text selection kills the button focus in IE, but
        // restoring the focus doesn't kill the selection.
        this.button.focus()
      },

      _documentClick: {
        mousedown: function (event) {
          if (!this.isOpen) {
            return
          }

          if (
            !$(event.target).closest(
              '.ui-selectmenu-menu, #' + $.ui.escapeSelector(this.ids.button)
            ).length
          ) {
            this.close(event)
          }
        },
      },

      _buttonEvents: {
        // Prevent text selection from being reset when interacting with the selectmenu (#10144)
        mousedown: function () {
          var selection

          if (window.getSelection) {
            selection = window.getSelection()
            if (selection.rangeCount) {
              this.range = selection.getRangeAt(0)
            }

            // Support: IE8
          } else {
            this.range = document.selection.createRange()
          }
        },

        click: function (event) {
          this._setSelection()
          this._toggle(event)
        },

        keydown: function (event) {
          var preventDefault = true
          switch (event.keyCode) {
            case $.ui.keyCode.TAB:
            case $.ui.keyCode.ESCAPE:
              this.close(event)
              preventDefault = false
              break
            case $.ui.keyCode.ENTER:
              if (this.isOpen) {
                this._selectFocusedItem(event)
              }
              break
            case $.ui.keyCode.UP:
              if (event.altKey) {
                this._toggle(event)
              } else {
                this._move('prev', event)
              }
              break
            case $.ui.keyCode.DOWN:
              if (event.altKey) {
                this._toggle(event)
              } else {
                this._move('next', event)
              }
              break
            case $.ui.keyCode.SPACE:
              if (this.isOpen) {
                this._selectFocusedItem(event)
              } else {
                this._toggle(event)
              }
              break
            case $.ui.keyCode.LEFT:
              this._move('prev', event)
              break
            case $.ui.keyCode.RIGHT:
              this._move('next', event)
              break
            case $.ui.keyCode.HOME:
            case $.ui.keyCode.PAGE_UP:
              this._move('first', event)
              break
            case $.ui.keyCode.END:
            case $.ui.keyCode.PAGE_DOWN:
              this._move('last', event)
              break
            default:
              this.menu.trigger(event)
              preventDefault = false
          }

          if (preventDefault) {
            event.preventDefault()
          }
        },
      },

      _selectFocusedItem: function (event) {
        var item = this.menuItems.eq(this.focusIndex).parent('li')
        if (!item.hasClass('ui-state-disabled')) {
          this._select(item.data('ui-selectmenu-item'), event)
        }
      },

      _select: function (item, event) {
        var oldIndex = this.element[0].selectedIndex

        // Change native select element
        this.element[0].selectedIndex = item.index
        this.buttonItem.replaceWith(
          (this.buttonItem = this._renderButtonItem(item))
        )
        this._setAria(item)
        this._trigger('select', event, { item: item })

        if (item.index !== oldIndex) {
          this._trigger('change', event, { item: item })
        }

        this.close(event)
      },

      _setAria: function (item) {
        var id = this.menuItems.eq(item.index).attr('id')

        this.button.attr({
          'aria-labelledby': id,
          'aria-activedescendant': id,
        })
        this.menu.attr('aria-activedescendant', id)
      },

      _setOption: function (key, value) {
        if (key === 'icons') {
          var icon = this.button.find('span.ui-icon')
          this._removeClass(icon, null, this.options.icons.button)._addClass(
            icon,
            null,
            value.button
          )
        }

        this._super(key, value)

        if (key === 'appendTo') {
          this.menuWrap.appendTo(this._appendTo())
        }

        if (key === 'width') {
          this._resizeButton()
        }
      },

      _setOptionDisabled: function (value) {
        this._super(value)

        this.menuInstance.option('disabled', value)
        this.button.attr('aria-disabled', value)
        this._toggleClass(this.button, null, 'ui-state-disabled', value)

        this.element.prop('disabled', value)
        if (value) {
          this.button.attr('tabindex', -1)
          this.close()
        } else {
          this.button.attr('tabindex', 0)
        }
      },

      _appendTo: function () {
        var element = this.options.appendTo

        if (element) {
          element =
            element.jquery || element.nodeType
              ? $(element)
              : this.document.find(element).eq(0)
        }

        if (!element || !element[0]) {
          element = this.element.closest('.ui-front, dialog')
        }

        if (!element.length) {
          element = this.document[0].body
        }

        return element
      },

      _toggleAttr: function () {
        this.button.attr('aria-expanded', this.isOpen)

        // We can't use two _toggleClass() calls here, because we need to make sure
        // we always remove classes first and add them second, otherwise if both classes have the
        // same theme class, it will be removed after we add it.
        this._removeClass(
          this.button,
          'ui-selectmenu-button-' + (this.isOpen ? 'closed' : 'open')
        )
          ._addClass(
            this.button,
            'ui-selectmenu-button-' + (this.isOpen ? 'open' : 'closed')
          )
          ._toggleClass(this.menuWrap, 'ui-selectmenu-open', null, this.isOpen)

        this.menu.attr('aria-hidden', !this.isOpen)
      },

      _resizeButton: function () {
        var width = this.options.width

        // For `width: false`, just remove inline style and stop
        if (width === false) {
          this.button.css('width', '')
          return
        }

        // For `width: null`, match the width of the original element
        if (width === null) {
          width = this.element.show().outerWidth()
          this.element.hide()
        }

        this.button.outerWidth(width)
      },

      _resizeMenu: function () {
        this.menu.outerWidth(
          Math.max(
            this.button.outerWidth(),

            // Support: IE10
            // IE10 wraps long text (possibly a rounding bug)
            // so we add 1px to avoid the wrapping
            this.menu.width('').outerWidth() + 1
          )
        )
      },

      _getCreateOptions: function () {
        var options = this._super()

        options.disabled = this.element.prop('disabled')

        return options
      },

      _parseOptions: function (options) {
        var that = this,
          data = []
        options.each(function (index, item) {
          data.push(that._parseOption($(item), index))
        })
        this.items = data
      },

      _parseOption: function (option, index) {
        var optgroup = option.parent('optgroup')

        return {
          element: option,
          index: index,
          value: option.val(),
          label: option.text(),
          optgroup: optgroup.attr('label') || '',
          disabled: optgroup.prop('disabled') || option.prop('disabled'),
        }
      },

      _destroy: function () {
        this._unbindFormResetHandler()
        this.menuWrap.remove()
        this.button.remove()
        this.element.show()
        this.element.removeUniqueId()
        this.labels.attr('for', this.ids.element)
      },
    },
  ])

  /*!
   * jQuery UI Slider 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Slider
  //>>group: Widgets
  //>>description: Displays a flexible slider with ranges and accessibility via keyboard.
  //>>docs: http://api.jqueryui.com/slider/
  //>>demos: http://jqueryui.com/slider/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/slider.css
  //>>css.theme: ../../themes/base/theme.css

  var widgetsSlider = $.widget('ui.slider', $.ui.mouse, {
    version: '1.12.1',
    widgetEventPrefix: 'slide',

    options: {
      animate: false,
      classes: {
        'ui-slider': 'ui-corner-all',
        'ui-slider-handle': 'ui-corner-all',

        // Note: ui-widget-header isn't the most fittingly semantic framework class for this
        // element, but worked best visually with a variety of themes
        'ui-slider-range': 'ui-corner-all ui-widget-header',
      },
      distance: 0,
      max: 100,
      min: 0,
      orientation: 'horizontal',
      range: false,
      step: 1,
      value: 0,
      values: null,

      // Callbacks
      change: null,
      slide: null,
      start: null,
      stop: null,
    },

    // Number of pages in a slider
    // (how many times can you page up/down to go through the whole range)
    numPages: 5,

    _create: function () {
      this._keySliding = false
      this._mouseSliding = false
      this._animateOff = true
      this._handleIndex = null
      this._detectOrientation()
      this._mouseInit()
      this._calculateNewMax()

      this._addClass(
        'ui-slider ui-slider-' + this.orientation,
        'ui-widget ui-widget-content'
      )

      this._refresh()

      this._animateOff = false
    },

    _refresh: function () {
      this._createRange()
      this._createHandles()
      this._setupEvents()
      this._refreshValue()
    },

    _createHandles: function () {
      var i,
        handleCount,
        options = this.options,
        existingHandles = this.element.find('.ui-slider-handle'),
        handle = "<span tabindex='0'></span>",
        handles = []

      handleCount = (options.values && options.values.length) || 1

      if (existingHandles.length > handleCount) {
        existingHandles.slice(handleCount).remove()
        existingHandles = existingHandles.slice(0, handleCount)
      }

      for (i = existingHandles.length; i < handleCount; i++) {
        handles.push(handle)
      }

      this.handles = existingHandles.add(
        $(handles.join('')).appendTo(this.element)
      )

      this._addClass(this.handles, 'ui-slider-handle', 'ui-state-default')

      this.handle = this.handles.eq(0)

      this.handles.each(function (i) {
        $(this).data('ui-slider-handle-index', i).attr('tabIndex', 0)
      })
    },

    _createRange: function () {
      var options = this.options

      if (options.range) {
        if (options.range === true) {
          if (!options.values) {
            options.values = [this._valueMin(), this._valueMin()]
          } else if (options.values.length && options.values.length !== 2) {
            options.values = [options.values[0], options.values[0]]
          } else if ($.isArray(options.values)) {
            options.values = options.values.slice(0)
          }
        }

        if (!this.range || !this.range.length) {
          this.range = $('<div>').appendTo(this.element)

          this._addClass(this.range, 'ui-slider-range')
        } else {
          this._removeClass(
            this.range,
            'ui-slider-range-min ui-slider-range-max'
          )

          // Handle range switching from true to min/max
          this.range.css({
            left: '',
            bottom: '',
          })
        }
        if (options.range === 'min' || options.range === 'max') {
          this._addClass(this.range, 'ui-slider-range-' + options.range)
        }
      } else {
        if (this.range) {
          this.range.remove()
        }
        this.range = null
      }
    },

    _setupEvents: function () {
      this._off(this.handles)
      this._on(this.handles, this._handleEvents)
      this._hoverable(this.handles)
      this._focusable(this.handles)
    },

    _destroy: function () {
      this.handles.remove()
      if (this.range) {
        this.range.remove()
      }

      this._mouseDestroy()
    },

    _mouseCapture: function (event) {
      var position,
        normValue,
        distance,
        closestHandle,
        index,
        allowed,
        offset,
        mouseOverHandle,
        that = this,
        o = this.options

      if (o.disabled) {
        return false
      }

      this.elementSize = {
        width: this.element.outerWidth(),
        height: this.element.outerHeight(),
      }
      this.elementOffset = this.element.offset()

      position = { x: event.pageX, y: event.pageY }
      normValue = this._normValueFromMouse(position)
      distance = this._valueMax() - this._valueMin() + 1
      this.handles.each(function (i) {
        var thisDistance = Math.abs(normValue - that.values(i))
        if (
          distance > thisDistance ||
          (distance === thisDistance &&
            (i === that._lastChangedValue || that.values(i) === o.min))
        ) {
          distance = thisDistance
          closestHandle = $(this)
          index = i
        }
      })

      allowed = this._start(event, index)
      if (allowed === false) {
        return false
      }
      this._mouseSliding = true

      this._handleIndex = index

      this._addClass(closestHandle, null, 'ui-state-active')
      closestHandle.trigger('focus')

      offset = closestHandle.offset()
      mouseOverHandle = !$(event.target)
        .parents()
        .addBack()
        .is('.ui-slider-handle')
      this._clickOffset = mouseOverHandle
        ? { left: 0, top: 0 }
        : {
            left: event.pageX - offset.left - closestHandle.width() / 2,
            top:
              event.pageY -
              offset.top -
              closestHandle.height() / 2 -
              (parseInt(closestHandle.css('borderTopWidth'), 10) || 0) -
              (parseInt(closestHandle.css('borderBottomWidth'), 10) || 0) +
              (parseInt(closestHandle.css('marginTop'), 10) || 0),
          }

      if (!this.handles.hasClass('ui-state-hover')) {
        this._slide(event, index, normValue)
      }
      this._animateOff = true
      return true
    },

    _mouseStart: function () {
      return true
    },

    _mouseDrag: function (event) {
      var position = { x: event.pageX, y: event.pageY },
        normValue = this._normValueFromMouse(position)

      this._slide(event, this._handleIndex, normValue)

      return false
    },

    _mouseStop: function (event) {
      this._removeClass(this.handles, null, 'ui-state-active')
      this._mouseSliding = false

      this._stop(event, this._handleIndex)
      this._change(event, this._handleIndex)

      this._handleIndex = null
      this._clickOffset = null
      this._animateOff = false

      return false
    },

    _detectOrientation: function () {
      this.orientation =
        this.options.orientation === 'vertical' ? 'vertical' : 'horizontal'
    },

    _normValueFromMouse: function (position) {
      var pixelTotal, pixelMouse, percentMouse, valueTotal, valueMouse

      if (this.orientation === 'horizontal') {
        pixelTotal = this.elementSize.width
        pixelMouse =
          position.x -
          this.elementOffset.left -
          (this._clickOffset ? this._clickOffset.left : 0)
      } else {
        pixelTotal = this.elementSize.height
        pixelMouse =
          position.y -
          this.elementOffset.top -
          (this._clickOffset ? this._clickOffset.top : 0)
      }

      percentMouse = pixelMouse / pixelTotal
      if (percentMouse > 1) {
        percentMouse = 1
      }
      if (percentMouse < 0) {
        percentMouse = 0
      }
      if (this.orientation === 'vertical') {
        percentMouse = 1 - percentMouse
      }

      valueTotal = this._valueMax() - this._valueMin()
      valueMouse = this._valueMin() + percentMouse * valueTotal

      return this._trimAlignValue(valueMouse)
    },

    _uiHash: function (index, value, values) {
      var uiHash = {
        handle: this.handles[index],
        handleIndex: index,
        value: value !== undefined ? value : this.value(),
      }

      if (this._hasMultipleValues()) {
        uiHash.value = value !== undefined ? value : this.values(index)
        uiHash.values = values || this.values()
      }

      return uiHash
    },

    _hasMultipleValues: function () {
      return this.options.values && this.options.values.length
    },

    _start: function (event, index) {
      return this._trigger('start', event, this._uiHash(index))
    },

    _slide: function (event, index, newVal) {
      var allowed,
        otherVal,
        currentValue = this.value(),
        newValues = this.values()

      if (this._hasMultipleValues()) {
        otherVal = this.values(index ? 0 : 1)
        currentValue = this.values(index)

        if (this.options.values.length === 2 && this.options.range === true) {
          newVal =
            index === 0
              ? Math.min(otherVal, newVal)
              : Math.max(otherVal, newVal)
        }

        newValues[index] = newVal
      }

      if (newVal === currentValue) {
        return
      }

      allowed = this._trigger(
        'slide',
        event,
        this._uiHash(index, newVal, newValues)
      )

      // A slide can be canceled by returning false from the slide callback
      if (allowed === false) {
        return
      }

      if (this._hasMultipleValues()) {
        this.values(index, newVal)
      } else {
        this.value(newVal)
      }
    },

    _stop: function (event, index) {
      this._trigger('stop', event, this._uiHash(index))
    },

    _change: function (event, index) {
      if (!this._keySliding && !this._mouseSliding) {
        //store the last changed value index for reference when handles overlap
        this._lastChangedValue = index
        this._trigger('change', event, this._uiHash(index))
      }
    },

    value: function (newValue) {
      if (arguments.length) {
        this.options.value = this._trimAlignValue(newValue)
        this._refreshValue()
        this._change(null, 0)
        return
      }

      return this._value()
    },

    values: function (index, newValue) {
      var vals, newValues, i

      if (arguments.length > 1) {
        this.options.values[index] = this._trimAlignValue(newValue)
        this._refreshValue()
        this._change(null, index)
        return
      }

      if (arguments.length) {
        if ($.isArray(arguments[0])) {
          vals = this.options.values
          newValues = arguments[0]
          for (i = 0; i < vals.length; i += 1) {
            vals[i] = this._trimAlignValue(newValues[i])
            this._change(null, i)
          }
          this._refreshValue()
        } else {
          if (this._hasMultipleValues()) {
            return this._values(index)
          } else {
            return this.value()
          }
        }
      } else {
        return this._values()
      }
    },

    _setOption: function (key, value) {
      var i,
        valsLength = 0

      if (key === 'range' && this.options.range === true) {
        if (value === 'min') {
          this.options.value = this._values(0)
          this.options.values = null
        } else if (value === 'max') {
          this.options.value = this._values(this.options.values.length - 1)
          this.options.values = null
        }
      }

      if ($.isArray(this.options.values)) {
        valsLength = this.options.values.length
      }

      this._super(key, value)

      switch (key) {
        case 'orientation':
          this._detectOrientation()
          this._removeClass(
            'ui-slider-horizontal ui-slider-vertical'
          )._addClass('ui-slider-' + this.orientation)
          this._refreshValue()
          if (this.options.range) {
            this._refreshRange(value)
          }

          // Reset positioning from previous orientation
          this.handles.css(value === 'horizontal' ? 'bottom' : 'left', '')
          break
        case 'value':
          this._animateOff = true
          this._refreshValue()
          this._change(null, 0)
          this._animateOff = false
          break
        case 'values':
          this._animateOff = true
          this._refreshValue()

          // Start from the last handle to prevent unreachable handles (#9046)
          for (i = valsLength - 1; i >= 0; i--) {
            this._change(null, i)
          }
          this._animateOff = false
          break
        case 'step':
        case 'min':
        case 'max':
          this._animateOff = true
          this._calculateNewMax()
          this._refreshValue()
          this._animateOff = false
          break
        case 'range':
          this._animateOff = true
          this._refresh()
          this._animateOff = false
          break
      }
    },

    _setOptionDisabled: function (value) {
      this._super(value)

      this._toggleClass(null, 'ui-state-disabled', !!value)
    },

    //internal value getter
    // _value() returns value trimmed by min and max, aligned by step
    _value: function () {
      var val = this.options.value
      val = this._trimAlignValue(val)

      return val
    },

    //internal values getter
    // _values() returns array of values trimmed by min and max, aligned by step
    // _values( index ) returns single value trimmed by min and max, aligned by step
    _values: function (index) {
      var val, vals, i

      if (arguments.length) {
        val = this.options.values[index]
        val = this._trimAlignValue(val)

        return val
      } else if (this._hasMultipleValues()) {
        // .slice() creates a copy of the array
        // this copy gets trimmed by min and max and then returned
        vals = this.options.values.slice()
        for (i = 0; i < vals.length; i += 1) {
          vals[i] = this._trimAlignValue(vals[i])
        }

        return vals
      } else {
        return []
      }
    },

    // Returns the step-aligned value that val is closest to, between (inclusive) min and max
    _trimAlignValue: function (val) {
      if (val <= this._valueMin()) {
        return this._valueMin()
      }
      if (val >= this._valueMax()) {
        return this._valueMax()
      }
      var step = this.options.step > 0 ? this.options.step : 1,
        valModStep = (val - this._valueMin()) % step,
        alignValue = val - valModStep

      if (Math.abs(valModStep) * 2 >= step) {
        alignValue += valModStep > 0 ? step : -step
      }

      // Since JavaScript has problems with large floats, round
      // the final value to 5 digits after the decimal point (see #4124)
      return parseFloat(alignValue.toFixed(5))
    },

    _calculateNewMax: function () {
      var max = this.options.max,
        min = this._valueMin(),
        step = this.options.step,
        aboveMin = Math.round((max - min) / step) * step
      max = aboveMin + min
      if (max > this.options.max) {
        //If max is not divisible by step, rounding off may increase its value
        max -= step
      }
      this.max = parseFloat(max.toFixed(this._precision()))
    },

    _precision: function () {
      var precision = this._precisionOf(this.options.step)
      if (this.options.min !== null) {
        precision = Math.max(precision, this._precisionOf(this.options.min))
      }
      return precision
    },

    _precisionOf: function (num) {
      var str = num.toString(),
        decimal = str.indexOf('.')
      return decimal === -1 ? 0 : str.length - decimal - 1
    },

    _valueMin: function () {
      return this.options.min
    },

    _valueMax: function () {
      return this.max
    },

    _refreshRange: function (orientation) {
      if (orientation === 'vertical') {
        this.range.css({ width: '', left: '' })
      }
      if (orientation === 'horizontal') {
        this.range.css({ height: '', bottom: '' })
      }
    },

    _refreshValue: function () {
      var lastValPercent,
        valPercent,
        value,
        valueMin,
        valueMax,
        oRange = this.options.range,
        o = this.options,
        that = this,
        animate = !this._animateOff ? o.animate : false,
        _set = {}

      if (this._hasMultipleValues()) {
        this.handles.each(function (i) {
          valPercent =
            ((that.values(i) - that._valueMin()) /
              (that._valueMax() - that._valueMin())) *
            100
          _set[that.orientation === 'horizontal' ? 'left' : 'bottom'] =
            valPercent + '%'
          $(this).stop(1, 1)[animate ? 'animate' : 'css'](_set, o.animate)
          if (that.options.range === true) {
            if (that.orientation === 'horizontal') {
              if (i === 0) {
                that.range.stop(1, 1)[animate ? 'animate' : 'css'](
                  {
                    left: valPercent + '%',
                  },
                  o.animate
                )
              }
              if (i === 1) {
                that.range[animate ? 'animate' : 'css'](
                  {
                    width: valPercent - lastValPercent + '%',
                  },
                  {
                    queue: false,
                    duration: o.animate,
                  }
                )
              }
            } else {
              if (i === 0) {
                that.range.stop(1, 1)[animate ? 'animate' : 'css'](
                  {
                    bottom: valPercent + '%',
                  },
                  o.animate
                )
              }
              if (i === 1) {
                that.range[animate ? 'animate' : 'css'](
                  {
                    height: valPercent - lastValPercent + '%',
                  },
                  {
                    queue: false,
                    duration: o.animate,
                  }
                )
              }
            }
          }
          lastValPercent = valPercent
        })
      } else {
        value = this.value()
        valueMin = this._valueMin()
        valueMax = this._valueMax()
        valPercent =
          valueMax !== valueMin
            ? ((value - valueMin) / (valueMax - valueMin)) * 100
            : 0
        _set[this.orientation === 'horizontal' ? 'left' : 'bottom'] =
          valPercent + '%'
        this.handle.stop(1, 1)[animate ? 'animate' : 'css'](_set, o.animate)

        if (oRange === 'min' && this.orientation === 'horizontal') {
          this.range.stop(1, 1)[animate ? 'animate' : 'css'](
            {
              width: valPercent + '%',
            },
            o.animate
          )
        }
        if (oRange === 'max' && this.orientation === 'horizontal') {
          this.range.stop(1, 1)[animate ? 'animate' : 'css'](
            {
              width: 100 - valPercent + '%',
            },
            o.animate
          )
        }
        if (oRange === 'min' && this.orientation === 'vertical') {
          this.range.stop(1, 1)[animate ? 'animate' : 'css'](
            {
              height: valPercent + '%',
            },
            o.animate
          )
        }
        if (oRange === 'max' && this.orientation === 'vertical') {
          this.range.stop(1, 1)[animate ? 'animate' : 'css'](
            {
              height: 100 - valPercent + '%',
            },
            o.animate
          )
        }
      }
    },

    _handleEvents: {
      keydown: function (event) {
        var allowed,
          curVal,
          newVal,
          step,
          index = $(event.target).data('ui-slider-handle-index')

        switch (event.keyCode) {
          case $.ui.keyCode.HOME:
          case $.ui.keyCode.END:
          case $.ui.keyCode.PAGE_UP:
          case $.ui.keyCode.PAGE_DOWN:
          case $.ui.keyCode.UP:
          case $.ui.keyCode.RIGHT:
          case $.ui.keyCode.DOWN:
          case $.ui.keyCode.LEFT:
            event.preventDefault()
            if (!this._keySliding) {
              this._keySliding = true
              this._addClass($(event.target), null, 'ui-state-active')
              allowed = this._start(event, index)
              if (allowed === false) {
                return
              }
            }
            break
        }

        step = this.options.step
        if (this._hasMultipleValues()) {
          curVal = newVal = this.values(index)
        } else {
          curVal = newVal = this.value()
        }

        switch (event.keyCode) {
          case $.ui.keyCode.HOME:
            newVal = this._valueMin()
            break
          case $.ui.keyCode.END:
            newVal = this._valueMax()
            break
          case $.ui.keyCode.PAGE_UP:
            newVal = this._trimAlignValue(
              curVal + (this._valueMax() - this._valueMin()) / this.numPages
            )
            break
          case $.ui.keyCode.PAGE_DOWN:
            newVal = this._trimAlignValue(
              curVal - (this._valueMax() - this._valueMin()) / this.numPages
            )
            break
          case $.ui.keyCode.UP:
          case $.ui.keyCode.RIGHT:
            if (curVal === this._valueMax()) {
              return
            }
            newVal = this._trimAlignValue(curVal + step)
            break
          case $.ui.keyCode.DOWN:
          case $.ui.keyCode.LEFT:
            if (curVal === this._valueMin()) {
              return
            }
            newVal = this._trimAlignValue(curVal - step)
            break
        }

        this._slide(event, index, newVal)
      },
      keyup: function (event) {
        var index = $(event.target).data('ui-slider-handle-index')

        if (this._keySliding) {
          this._keySliding = false
          this._stop(event, index)
          this._change(event, index)
          this._removeClass($(event.target), null, 'ui-state-active')
        }
      },
    },
  })

  /*!
   * jQuery UI Sortable 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Sortable
  //>>group: Interactions
  //>>description: Enables items in a list to be sorted using the mouse.
  //>>docs: http://api.jqueryui.com/sortable/
  //>>demos: http://jqueryui.com/sortable/
  //>>css.structure: ../../themes/base/sortable.css

  var widgetsSortable = $.widget('ui.sortable', $.ui.mouse, {
    version: '1.12.1',
    widgetEventPrefix: 'sort',
    ready: false,
    options: {
      appendTo: 'parent',
      axis: false,
      connectWith: false,
      containment: false,
      cursor: 'auto',
      cursorAt: false,
      dropOnEmpty: true,
      forcePlaceholderSize: false,
      forceHelperSize: false,
      grid: false,
      handle: false,
      helper: 'original',
      items: '> *',
      opacity: false,
      placeholder: false,
      revert: false,
      scroll: true,
      scrollSensitivity: 20,
      scrollSpeed: 20,
      scope: 'default',
      tolerance: 'intersect',
      zIndex: 1000,

      // Callbacks
      activate: null,
      beforeStop: null,
      change: null,
      deactivate: null,
      out: null,
      over: null,
      receive: null,
      remove: null,
      sort: null,
      start: null,
      stop: null,
      update: null,
    },

    _isOverAxis: function (x, reference, size) {
      return x >= reference && x < reference + size
    },

    _isFloating: function (item) {
      return (
        /left|right/.test(item.css('float')) ||
        /inline|table-cell/.test(item.css('display'))
      )
    },

    _create: function () {
      this.containerCache = {}
      this._addClass('ui-sortable')

      //Get the items
      this.refresh()

      //Let's determine the parent's offset
      this.offset = this.element.offset()

      //Initialize mouse events for interaction
      this._mouseInit()

      this._setHandleClassName()

      //We're ready to go
      this.ready = true
    },

    _setOption: function (key, value) {
      this._super(key, value)

      if (key === 'handle') {
        this._setHandleClassName()
      }
    },

    _setHandleClassName: function () {
      var that = this
      this._removeClass(
        this.element.find('.ui-sortable-handle'),
        'ui-sortable-handle'
      )
      $.each(this.items, function () {
        that._addClass(
          this.instance.options.handle
            ? this.item.find(this.instance.options.handle)
            : this.item,
          'ui-sortable-handle'
        )
      })
    },

    _destroy: function () {
      this._mouseDestroy()

      for (var i = this.items.length - 1; i >= 0; i--) {
        this.items[i].item.removeData(this.widgetName + '-item')
      }

      return this
    },

    _mouseCapture: function (event, overrideHandle) {
      var currentItem = null,
        validHandle = false,
        that = this

      if (this.reverting) {
        return false
      }

      if (this.options.disabled || this.options.type === 'static') {
        return false
      }

      //We have to refresh the items data once first
      this._refreshItems(event)

      //Find out if the clicked node (or one of its parents) is a actual item in this.items
      $(event.target)
        .parents()
        .each(function () {
          if ($.data(this, that.widgetName + '-item') === that) {
            currentItem = $(this)
            return false
          }
        })
      if ($.data(event.target, that.widgetName + '-item') === that) {
        currentItem = $(event.target)
      }

      if (!currentItem) {
        return false
      }
      if (this.options.handle && !overrideHandle) {
        $(this.options.handle, currentItem)
          .find('*')
          .addBack()
          .each(function () {
            if (this === event.target) {
              validHandle = true
            }
          })
        if (!validHandle) {
          return false
        }
      }

      this.currentItem = currentItem
      this._removeCurrentsFromItems()
      return true
    },

    _mouseStart: function (event, overrideHandle, noActivation) {
      var i,
        body,
        o = this.options

      this.currentContainer = this

      //We only need to call refreshPositions, because the refreshItems call has been moved to
      // mouseCapture
      this.refreshPositions()

      //Create and append the visible helper
      this.helper = this._createHelper(event)

      //Cache the helper size
      this._cacheHelperProportions()

      /*
       * - Position generation -
       * This block generates everything position related - it's the core of draggables.
       */

      //Cache the margins of the original element
      this._cacheMargins()

      //Get the next scrolling parent
      this.scrollParent = this.helper.scrollParent()

      //The element's absolute position on the page minus margins
      this.offset = this.currentItem.offset()
      this.offset = {
        top: this.offset.top - this.margins.top,
        left: this.offset.left - this.margins.left,
      }

      $.extend(this.offset, {
        click: {
          //Where the click happened, relative to the element
          left: event.pageX - this.offset.left,
          top: event.pageY - this.offset.top,
        },
        parent: this._getParentOffset(),

        // This is a relative to absolute position minus the actual position calculation -
        // only used for relative positioned helper
        relative: this._getRelativeOffset(),
      })

      // Only after we got the offset, we can change the helper's position to absolute
      // TODO: Still need to figure out a way to make relative sorting possible
      this.helper.css('position', 'absolute')
      this.cssPosition = this.helper.css('position')

      //Generate the original position
      this.originalPosition = this._generatePosition(event)
      this.originalPageX = event.pageX
      this.originalPageY = event.pageY

      //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
      o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)

      //Cache the former DOM position
      this.domPosition = {
        prev: this.currentItem.prev()[0],
        parent: this.currentItem.parent()[0],
      }

      // If the helper is not the original, hide the original so it's not playing any role during
      // the drag, won't cause anything bad this way
      if (this.helper[0] !== this.currentItem[0]) {
        this.currentItem.hide()
      }

      //Create the placeholder
      this._createPlaceholder()

      //Set a containment if given in the options
      if (o.containment) {
        this._setContainment()
      }

      if (o.cursor && o.cursor !== 'auto') {
        // cursor option
        body = this.document.find('body')

        // Support: IE
        this.storedCursor = body.css('cursor')
        body.css('cursor', o.cursor)

        this.storedStylesheet = $(
          '<style>*{ cursor: ' + o.cursor + ' !important; }</style>'
        ).appendTo(body)
      }

      if (o.opacity) {
        // opacity option
        if (this.helper.css('opacity')) {
          this._storedOpacity = this.helper.css('opacity')
        }
        this.helper.css('opacity', o.opacity)
      }

      if (o.zIndex) {
        // zIndex option
        if (this.helper.css('zIndex')) {
          this._storedZIndex = this.helper.css('zIndex')
        }
        this.helper.css('zIndex', o.zIndex)
      }

      //Prepare scrolling
      if (
        this.scrollParent[0] !== this.document[0] &&
        this.scrollParent[0].tagName !== 'HTML'
      ) {
        this.overflowOffset = this.scrollParent.offset()
      }

      //Call callbacks
      this._trigger('start', event, this._uiHash())

      //Recache the helper size
      if (!this._preserveHelperProportions) {
        this._cacheHelperProportions()
      }

      //Post "activate" events to possible containers
      if (!noActivation) {
        for (i = this.containers.length - 1; i >= 0; i--) {
          this.containers[i]._trigger('activate', event, this._uiHash(this))
        }
      }

      //Prepare possible droppables
      if ($.ui.ddmanager) {
        $.ui.ddmanager.current = this
      }

      if ($.ui.ddmanager && !o.dropBehaviour) {
        $.ui.ddmanager.prepareOffsets(this, event)
      }

      this.dragging = true

      this._addClass(this.helper, 'ui-sortable-helper')

      // Execute the drag once - this causes the helper not to be visiblebefore getting its
      // correct position
      this._mouseDrag(event)
      return true
    },

    _mouseDrag: function (event) {
      var i,
        item,
        itemElement,
        intersection,
        o = this.options,
        scrolled = false

      //Compute the helpers position
      this.position = this._generatePosition(event)
      this.positionAbs = this._convertPositionTo('absolute')

      if (!this.lastPositionAbs) {
        this.lastPositionAbs = this.positionAbs
      }

      //Do scrolling
      if (this.options.scroll) {
        if (
          this.scrollParent[0] !== this.document[0] &&
          this.scrollParent[0].tagName !== 'HTML'
        ) {
          if (
            this.overflowOffset.top +
              this.scrollParent[0].offsetHeight -
              event.pageY <
            o.scrollSensitivity
          ) {
            this.scrollParent[0].scrollTop = scrolled =
              this.scrollParent[0].scrollTop + o.scrollSpeed
          } else if (
            event.pageY - this.overflowOffset.top <
            o.scrollSensitivity
          ) {
            this.scrollParent[0].scrollTop = scrolled =
              this.scrollParent[0].scrollTop - o.scrollSpeed
          }

          if (
            this.overflowOffset.left +
              this.scrollParent[0].offsetWidth -
              event.pageX <
            o.scrollSensitivity
          ) {
            this.scrollParent[0].scrollLeft = scrolled =
              this.scrollParent[0].scrollLeft + o.scrollSpeed
          } else if (
            event.pageX - this.overflowOffset.left <
            o.scrollSensitivity
          ) {
            this.scrollParent[0].scrollLeft = scrolled =
              this.scrollParent[0].scrollLeft - o.scrollSpeed
          }
        } else {
          if (event.pageY - this.document.scrollTop() < o.scrollSensitivity) {
            scrolled = this.document.scrollTop(
              this.document.scrollTop() - o.scrollSpeed
            )
          } else if (
            this.window.height() - (event.pageY - this.document.scrollTop()) <
            o.scrollSensitivity
          ) {
            scrolled = this.document.scrollTop(
              this.document.scrollTop() + o.scrollSpeed
            )
          }

          if (event.pageX - this.document.scrollLeft() < o.scrollSensitivity) {
            scrolled = this.document.scrollLeft(
              this.document.scrollLeft() - o.scrollSpeed
            )
          } else if (
            this.window.width() - (event.pageX - this.document.scrollLeft()) <
            o.scrollSensitivity
          ) {
            scrolled = this.document.scrollLeft(
              this.document.scrollLeft() + o.scrollSpeed
            )
          }
        }

        if (scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
          $.ui.ddmanager.prepareOffsets(this, event)
        }
      }

      //Regenerate the absolute position used for position checks
      this.positionAbs = this._convertPositionTo('absolute')

      //Set the helper position
      if (!this.options.axis || this.options.axis !== 'y') {
        this.helper[0].style.left = this.position.left + 'px'
      }
      if (!this.options.axis || this.options.axis !== 'x') {
        this.helper[0].style.top = this.position.top + 'px'
      }

      //Rearrange
      for (i = this.items.length - 1; i >= 0; i--) {
        //Cache variables and intersection, continue if no intersection
        item = this.items[i]
        itemElement = item.item[0]
        intersection = this._intersectsWithPointer(item)
        if (!intersection) {
          continue
        }

        // Only put the placeholder inside the current Container, skip all
        // items from other containers. This works because when moving
        // an item from one container to another the
        // currentContainer is switched before the placeholder is moved.
        //
        // Without this, moving items in "sub-sortables" can cause
        // the placeholder to jitter between the outer and inner container.
        if (item.instance !== this.currentContainer) {
          continue
        }

        // Cannot intersect with itself
        // no useless actions that have been done before
        // no action if the item moved is the parent of the item checked
        if (
          itemElement !== this.currentItem[0] &&
          this.placeholder[intersection === 1 ? 'next' : 'prev']()[0] !==
            itemElement &&
          !$.contains(this.placeholder[0], itemElement) &&
          (this.options.type === 'semi-dynamic'
            ? !$.contains(this.element[0], itemElement)
            : true)
        ) {
          this.direction = intersection === 1 ? 'down' : 'up'

          if (
            this.options.tolerance === 'pointer' ||
            this._intersectsWithSides(item)
          ) {
            this._rearrange(event, item)
          } else {
            break
          }

          this._trigger('change', event, this._uiHash())
          break
        }
      }

      //Post events to containers
      this._contactContainers(event)

      //Interconnect with droppables
      if ($.ui.ddmanager) {
        $.ui.ddmanager.drag(this, event)
      }

      //Call callbacks
      this._trigger('sort', event, this._uiHash())

      this.lastPositionAbs = this.positionAbs
      return false
    },

    _mouseStop: function (event, noPropagation) {
      if (!event) {
        return
      }

      //If we are using droppables, inform the manager about the drop
      if ($.ui.ddmanager && !this.options.dropBehaviour) {
        $.ui.ddmanager.drop(this, event)
      }

      if (this.options.revert) {
        var that = this,
          cur = this.placeholder.offset(),
          axis = this.options.axis,
          animation = {}

        if (!axis || axis === 'x') {
          animation.left =
            cur.left -
            this.offset.parent.left -
            this.margins.left +
            (this.offsetParent[0] === this.document[0].body
              ? 0
              : this.offsetParent[0].scrollLeft)
        }
        if (!axis || axis === 'y') {
          animation.top =
            cur.top -
            this.offset.parent.top -
            this.margins.top +
            (this.offsetParent[0] === this.document[0].body
              ? 0
              : this.offsetParent[0].scrollTop)
        }
        this.reverting = true
        $(this.helper).animate(
          animation,
          parseInt(this.options.revert, 10) || 500,
          function () {
            that._clear(event)
          }
        )
      } else {
        this._clear(event, noPropagation)
      }

      return false
    },

    cancel: function () {
      if (this.dragging) {
        this._mouseUp(new $.Event('mouseup', { target: null }))

        if (this.options.helper === 'original') {
          this.currentItem.css(this._storedCSS)
          this._removeClass(this.currentItem, 'ui-sortable-helper')
        } else {
          this.currentItem.show()
        }

        //Post deactivating events to containers
        for (var i = this.containers.length - 1; i >= 0; i--) {
          this.containers[i]._trigger('deactivate', null, this._uiHash(this))
          if (this.containers[i].containerCache.over) {
            this.containers[i]._trigger('out', null, this._uiHash(this))
            this.containers[i].containerCache.over = 0
          }
        }
      }

      if (this.placeholder) {
        //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
        // it unbinds ALL events from the original node!
        if (this.placeholder[0].parentNode) {
          this.placeholder[0].parentNode.removeChild(this.placeholder[0])
        }
        if (
          this.options.helper !== 'original' &&
          this.helper &&
          this.helper[0].parentNode
        ) {
          this.helper.remove()
        }

        $.extend(this, {
          helper: null,
          dragging: false,
          reverting: false,
          _noFinalSort: null,
        })

        if (this.domPosition.prev) {
          $(this.domPosition.prev).after(this.currentItem)
        } else {
          $(this.domPosition.parent).prepend(this.currentItem)
        }
      }

      return this
    },

    serialize: function (o) {
      var items = this._getItemsAsjQuery(o && o.connected),
        str = []
      o = o || {}

      $(items).each(function () {
        var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(
          o.expression || /(.+)[\-=_](.+)/
        )
        if (res) {
          str.push(
            (o.key || res[1] + '[]') +
              '=' +
              (o.key && o.expression ? res[1] : res[2])
          )
        }
      })

      if (!str.length && o.key) {
        str.push(o.key + '=')
      }

      return str.join('&')
    },

    toArray: function (o) {
      var items = this._getItemsAsjQuery(o && o.connected),
        ret = []

      o = o || {}

      items.each(function () {
        ret.push($(o.item || this).attr(o.attribute || 'id') || '')
      })
      return ret
    },

    /* Be careful with the following core functions */
    _intersectsWith: function (item) {
      var x1 = this.positionAbs.left,
        x2 = x1 + this.helperProportions.width,
        y1 = this.positionAbs.top,
        y2 = y1 + this.helperProportions.height,
        l = item.left,
        r = l + item.width,
        t = item.top,
        b = t + item.height,
        dyClick = this.offset.click.top,
        dxClick = this.offset.click.left,
        isOverElementHeight =
          this.options.axis === 'x' || (y1 + dyClick > t && y1 + dyClick < b),
        isOverElementWidth =
          this.options.axis === 'y' || (x1 + dxClick > l && x1 + dxClick < r),
        isOverElement = isOverElementHeight && isOverElementWidth

      if (
        this.options.tolerance === 'pointer' ||
        this.options.forcePointerForContainers ||
        (this.options.tolerance !== 'pointer' &&
          this.helperProportions[this.floating ? 'width' : 'height'] >
            item[this.floating ? 'width' : 'height'])
      ) {
        return isOverElement
      } else {
        return (
          l < x1 + this.helperProportions.width / 2 && // Right Half
          x2 - this.helperProportions.width / 2 < r && // Left Half
          t < y1 + this.helperProportions.height / 2 && // Bottom Half
          y2 - this.helperProportions.height / 2 < b
        ) // Top Half
      }
    },

    _intersectsWithPointer: function (item) {
      var verticalDirection,
        horizontalDirection,
        isOverElementHeight =
          this.options.axis === 'x' ||
          this._isOverAxis(
            this.positionAbs.top + this.offset.click.top,
            item.top,
            item.height
          ),
        isOverElementWidth =
          this.options.axis === 'y' ||
          this._isOverAxis(
            this.positionAbs.left + this.offset.click.left,
            item.left,
            item.width
          ),
        isOverElement = isOverElementHeight && isOverElementWidth

      if (!isOverElement) {
        return false
      }

      verticalDirection = this._getDragVerticalDirection()
      horizontalDirection = this._getDragHorizontalDirection()

      return this.floating
        ? horizontalDirection === 'right' || verticalDirection === 'down'
          ? 2
          : 1
        : verticalDirection && (verticalDirection === 'down' ? 2 : 1)
    },

    _intersectsWithSides: function (item) {
      var isOverBottomHalf = this._isOverAxis(
          this.positionAbs.top + this.offset.click.top,
          item.top + item.height / 2,
          item.height
        ),
        isOverRightHalf = this._isOverAxis(
          this.positionAbs.left + this.offset.click.left,
          item.left + item.width / 2,
          item.width
        ),
        verticalDirection = this._getDragVerticalDirection(),
        horizontalDirection = this._getDragHorizontalDirection()

      if (this.floating && horizontalDirection) {
        return (
          (horizontalDirection === 'right' && isOverRightHalf) ||
          (horizontalDirection === 'left' && !isOverRightHalf)
        )
      } else {
        return (
          verticalDirection &&
          ((verticalDirection === 'down' && isOverBottomHalf) ||
            (verticalDirection === 'up' && !isOverBottomHalf))
        )
      }
    },

    _getDragVerticalDirection: function () {
      var delta = this.positionAbs.top - this.lastPositionAbs.top
      return delta !== 0 && (delta > 0 ? 'down' : 'up')
    },

    _getDragHorizontalDirection: function () {
      var delta = this.positionAbs.left - this.lastPositionAbs.left
      return delta !== 0 && (delta > 0 ? 'right' : 'left')
    },

    refresh: function (event) {
      this._refreshItems(event)
      this._setHandleClassName()
      this.refreshPositions()
      return this
    },

    _connectWith: function () {
      var options = this.options
      return options.connectWith.constructor === String
        ? [options.connectWith]
        : options.connectWith
    },

    _getItemsAsjQuery: function (connected) {
      var i,
        j,
        cur,
        inst,
        items = [],
        queries = [],
        connectWith = this._connectWith()

      if (connectWith && connected) {
        for (i = connectWith.length - 1; i >= 0; i--) {
          cur = $(connectWith[i], this.document[0])
          for (j = cur.length - 1; j >= 0; j--) {
            inst = $.data(cur[j], this.widgetFullName)
            if (inst && inst !== this && !inst.options.disabled) {
              queries.push([
                $.isFunction(inst.options.items)
                  ? inst.options.items.call(inst.element)
                  : $(inst.options.items, inst.element)
                      .not('.ui-sortable-helper')
                      .not('.ui-sortable-placeholder'),
                inst,
              ])
            }
          }
        }
      }

      queries.push([
        $.isFunction(this.options.items)
          ? this.options.items.call(this.element, null, {
              options: this.options,
              item: this.currentItem,
            })
          : $(this.options.items, this.element)
              .not('.ui-sortable-helper')
              .not('.ui-sortable-placeholder'),
        this,
      ])

      function addItems() {
        items.push(this)
      }
      for (i = queries.length - 1; i >= 0; i--) {
        queries[i][0].each(addItems)
      }

      return $(items)
    },

    _removeCurrentsFromItems: function () {
      var list = this.currentItem.find(':data(' + this.widgetName + '-item)')

      this.items = $.grep(this.items, function (item) {
        for (var j = 0; j < list.length; j++) {
          if (list[j] === item.item[0]) {
            return false
          }
        }
        return true
      })
    },

    _refreshItems: function (event) {
      this.items = []
      this.containers = [this]

      var i,
        j,
        cur,
        inst,
        targetData,
        _queries,
        item,
        queriesLength,
        items = this.items,
        queries = [
          [
            $.isFunction(this.options.items)
              ? this.options.items.call(this.element[0], event, {
                  item: this.currentItem,
                })
              : $(this.options.items, this.element),
            this,
          ],
        ],
        connectWith = this._connectWith()

      //Shouldn't be run the first time through due to massive slow-down
      if (connectWith && this.ready) {
        for (i = connectWith.length - 1; i >= 0; i--) {
          cur = $(connectWith[i], this.document[0])
          for (j = cur.length - 1; j >= 0; j--) {
            inst = $.data(cur[j], this.widgetFullName)
            if (inst && inst !== this && !inst.options.disabled) {
              queries.push([
                $.isFunction(inst.options.items)
                  ? inst.options.items.call(inst.element[0], event, {
                      item: this.currentItem,
                    })
                  : $(inst.options.items, inst.element),
                inst,
              ])
              this.containers.push(inst)
            }
          }
        }
      }

      for (i = queries.length - 1; i >= 0; i--) {
        targetData = queries[i][1]
        _queries = queries[i][0]

        for (j = 0, queriesLength = _queries.length; j < queriesLength; j++) {
          item = $(_queries[j])

          // Data for target checking (mouse manager)
          item.data(this.widgetName + '-item', targetData)

          items.push({
            item: item,
            instance: targetData,
            width: 0,
            height: 0,
            left: 0,
            top: 0,
          })
        }
      }
    },

    refreshPositions: function (fast) {
      // Determine whether items are being displayed horizontally
      this.floating = this.items.length
        ? this.options.axis === 'x' || this._isFloating(this.items[0].item)
        : false

      //This has to be redone because due to the item being moved out/into the offsetParent,
      // the offsetParent's position will change
      if (this.offsetParent && this.helper) {
        this.offset.parent = this._getParentOffset()
      }

      var i, item, t, p

      for (i = this.items.length - 1; i >= 0; i--) {
        item = this.items[i]

        //We ignore calculating positions of all connected containers when we're not over them
        if (
          item.instance !== this.currentContainer &&
          this.currentContainer &&
          item.item[0] !== this.currentItem[0]
        ) {
          continue
        }

        t = this.options.toleranceElement
          ? $(this.options.toleranceElement, item.item)
          : item.item

        if (!fast) {
          item.width = t.outerWidth()
          item.height = t.outerHeight()
        }

        p = t.offset()
        item.left = p.left
        item.top = p.top
      }

      if (this.options.custom && this.options.custom.refreshContainers) {
        this.options.custom.refreshContainers.call(this)
      } else {
        for (i = this.containers.length - 1; i >= 0; i--) {
          p = this.containers[i].element.offset()
          this.containers[i].containerCache.left = p.left
          this.containers[i].containerCache.top = p.top
          this.containers[i].containerCache.width =
            this.containers[i].element.outerWidth()
          this.containers[i].containerCache.height =
            this.containers[i].element.outerHeight()
        }
      }

      return this
    },

    _createPlaceholder: function (that) {
      that = that || this
      var className,
        o = that.options

      if (!o.placeholder || o.placeholder.constructor === String) {
        className = o.placeholder
        o.placeholder = {
          element: function () {
            var nodeName = that.currentItem[0].nodeName.toLowerCase(),
              element = $('<' + nodeName + '>', that.document[0])

            that
              ._addClass(
                element,
                'ui-sortable-placeholder',
                className || that.currentItem[0].className
              )
              ._removeClass(element, 'ui-sortable-helper')

            if (nodeName === 'tbody') {
              that._createTrPlaceholder(
                that.currentItem.find('tr').eq(0),
                $('<tr>', that.document[0]).appendTo(element)
              )
            } else if (nodeName === 'tr') {
              that._createTrPlaceholder(that.currentItem, element)
            } else if (nodeName === 'img') {
              element.attr('src', that.currentItem.attr('src'))
            }

            if (!className) {
              element.css('visibility', 'hidden')
            }

            return element
          },
          update: function (container, p) {
            // 1. If a className is set as 'placeholder option, we don't force sizes -
            // the class is responsible for that
            // 2. The option 'forcePlaceholderSize can be enabled to force it even if a
            // class name is specified
            if (className && !o.forcePlaceholderSize) {
              return
            }

            //If the element doesn't have a actual height by itself (without styles coming
            // from a stylesheet), it receives the inline height from the dragged item
            if (!p.height()) {
              p.height(
                that.currentItem.innerHeight() -
                  parseInt(that.currentItem.css('paddingTop') || 0, 10) -
                  parseInt(that.currentItem.css('paddingBottom') || 0, 10)
              )
            }
            if (!p.width()) {
              p.width(
                that.currentItem.innerWidth() -
                  parseInt(that.currentItem.css('paddingLeft') || 0, 10) -
                  parseInt(that.currentItem.css('paddingRight') || 0, 10)
              )
            }
          },
        }
      }

      //Create the placeholder
      that.placeholder = $(
        o.placeholder.element.call(that.element, that.currentItem)
      )

      //Append it after the actual current item
      that.currentItem.after(that.placeholder)

      //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
      o.placeholder.update(that, that.placeholder)
    },

    _createTrPlaceholder: function (sourceTr, targetTr) {
      var that = this

      sourceTr.children().each(function () {
        $('<td>&#160;</td>', that.document[0])
          .attr('colspan', $(this).attr('colspan') || 1)
          .appendTo(targetTr)
      })
    },

    _contactContainers: function (event) {
      var i,
        j,
        dist,
        itemWithLeastDistance,
        posProperty,
        sizeProperty,
        cur,
        nearBottom,
        floating,
        axis,
        innermostContainer = null,
        innermostIndex = null

      // Get innermost container that intersects with item
      for (i = this.containers.length - 1; i >= 0; i--) {
        // Never consider a container that's located within the item itself
        if ($.contains(this.currentItem[0], this.containers[i].element[0])) {
          continue
        }

        if (this._intersectsWith(this.containers[i].containerCache)) {
          // If we've already found a container and it's more "inner" than this, then continue
          if (
            innermostContainer &&
            $.contains(
              this.containers[i].element[0],
              innermostContainer.element[0]
            )
          ) {
            continue
          }

          innermostContainer = this.containers[i]
          innermostIndex = i
        } else {
          // container doesn't intersect. trigger "out" event if necessary
          if (this.containers[i].containerCache.over) {
            this.containers[i]._trigger('out', event, this._uiHash(this))
            this.containers[i].containerCache.over = 0
          }
        }
      }

      // If no intersecting containers found, return
      if (!innermostContainer) {
        return
      }

      // Move the item into the container if it's not there already
      if (this.containers.length === 1) {
        if (!this.containers[innermostIndex].containerCache.over) {
          this.containers[innermostIndex]._trigger(
            'over',
            event,
            this._uiHash(this)
          )
          this.containers[innermostIndex].containerCache.over = 1
        }
      } else {
        // When entering a new container, we will find the item with the least distance and
        // append our item near it
        dist = 10000
        itemWithLeastDistance = null
        floating =
          innermostContainer.floating || this._isFloating(this.currentItem)
        posProperty = floating ? 'left' : 'top'
        sizeProperty = floating ? 'width' : 'height'
        axis = floating ? 'pageX' : 'pageY'

        for (j = this.items.length - 1; j >= 0; j--) {
          if (
            !$.contains(
              this.containers[innermostIndex].element[0],
              this.items[j].item[0]
            )
          ) {
            continue
          }
          if (this.items[j].item[0] === this.currentItem[0]) {
            continue
          }

          cur = this.items[j].item.offset()[posProperty]
          nearBottom = false
          if (event[axis] - cur > this.items[j][sizeProperty] / 2) {
            nearBottom = true
          }

          if (Math.abs(event[axis] - cur) < dist) {
            dist = Math.abs(event[axis] - cur)
            itemWithLeastDistance = this.items[j]
            this.direction = nearBottom ? 'up' : 'down'
          }
        }

        //Check if dropOnEmpty is enabled
        if (!itemWithLeastDistance && !this.options.dropOnEmpty) {
          return
        }

        if (this.currentContainer === this.containers[innermostIndex]) {
          if (!this.currentContainer.containerCache.over) {
            this.containers[innermostIndex]._trigger(
              'over',
              event,
              this._uiHash()
            )
            this.currentContainer.containerCache.over = 1
          }
          return
        }

        itemWithLeastDistance
          ? this._rearrange(event, itemWithLeastDistance, null, true)
          : this._rearrange(
              event,
              null,
              this.containers[innermostIndex].element,
              true
            )
        this._trigger('change', event, this._uiHash())
        this.containers[innermostIndex]._trigger(
          'change',
          event,
          this._uiHash(this)
        )
        this.currentContainer = this.containers[innermostIndex]

        //Update the placeholder
        this.options.placeholder.update(this.currentContainer, this.placeholder)

        this.containers[innermostIndex]._trigger(
          'over',
          event,
          this._uiHash(this)
        )
        this.containers[innermostIndex].containerCache.over = 1
      }
    },

    _createHelper: function (event) {
      var o = this.options,
        helper = $.isFunction(o.helper)
          ? $(o.helper.apply(this.element[0], [event, this.currentItem]))
          : o.helper === 'clone'
            ? this.currentItem.clone()
            : this.currentItem

      //Add the helper to the DOM if that didn't happen already
      if (!helper.parents('body').length) {
        $(
          o.appendTo !== 'parent' ? o.appendTo : this.currentItem[0].parentNode
        )[0].appendChild(helper[0])
      }

      if (helper[0] === this.currentItem[0]) {
        this._storedCSS = {
          width: this.currentItem[0].style.width,
          height: this.currentItem[0].style.height,
          position: this.currentItem.css('position'),
          top: this.currentItem.css('top'),
          left: this.currentItem.css('left'),
        }
      }

      if (!helper[0].style.width || o.forceHelperSize) {
        helper.width(this.currentItem.width())
      }
      if (!helper[0].style.height || o.forceHelperSize) {
        helper.height(this.currentItem.height())
      }

      return helper
    },

    _adjustOffsetFromHelper: function (obj) {
      if (typeof obj === 'string') {
        obj = obj.split(' ')
      }
      if ($.isArray(obj)) {
        obj = { left: +obj[0], top: +obj[1] || 0 }
      }
      if ('left' in obj) {
        this.offset.click.left = obj.left + this.margins.left
      }
      if ('right' in obj) {
        this.offset.click.left =
          this.helperProportions.width - obj.right + this.margins.left
      }
      if ('top' in obj) {
        this.offset.click.top = obj.top + this.margins.top
      }
      if ('bottom' in obj) {
        this.offset.click.top =
          this.helperProportions.height - obj.bottom + this.margins.top
      }
    },

    _getParentOffset: function () {
      //Get the offsetParent and cache its position
      this.offsetParent = this.helper.offsetParent()
      var po = this.offsetParent.offset()

      // This is a special case where we need to modify a offset calculated on start, since the
      // following happened:
      // 1. The position of the helper is absolute, so it's position is calculated based on the
      // next positioned parent
      // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
      // the document, which means that the scroll is included in the initial calculation of the
      // offset of the parent, and never recalculated upon drag
      if (
        this.cssPosition === 'absolute' &&
        this.scrollParent[0] !== this.document[0] &&
        $.contains(this.scrollParent[0], this.offsetParent[0])
      ) {
        po.left += this.scrollParent.scrollLeft()
        po.top += this.scrollParent.scrollTop()
      }

      // This needs to be actually done for all browsers, since pageX/pageY includes this
      // information with an ugly IE fix
      if (
        this.offsetParent[0] === this.document[0].body ||
        (this.offsetParent[0].tagName &&
          this.offsetParent[0].tagName.toLowerCase() === 'html' &&
          $.ui.ie)
      ) {
        po = { top: 0, left: 0 }
      }

      return {
        top:
          po.top + (parseInt(this.offsetParent.css('borderTopWidth'), 10) || 0),
        left:
          po.left +
          (parseInt(this.offsetParent.css('borderLeftWidth'), 10) || 0),
      }
    },

    _getRelativeOffset: function () {
      if (this.cssPosition === 'relative') {
        var p = this.currentItem.position()
        return {
          top:
            p.top -
            (parseInt(this.helper.css('top'), 10) || 0) +
            this.scrollParent.scrollTop(),
          left:
            p.left -
            (parseInt(this.helper.css('left'), 10) || 0) +
            this.scrollParent.scrollLeft(),
        }
      } else {
        return { top: 0, left: 0 }
      }
    },

    _cacheMargins: function () {
      this.margins = {
        left: parseInt(this.currentItem.css('marginLeft'), 10) || 0,
        top: parseInt(this.currentItem.css('marginTop'), 10) || 0,
      }
    },

    _cacheHelperProportions: function () {
      this.helperProportions = {
        width: this.helper.outerWidth(),
        height: this.helper.outerHeight(),
      }
    },

    _setContainment: function () {
      var ce,
        co,
        over,
        o = this.options
      if (o.containment === 'parent') {
        o.containment = this.helper[0].parentNode
      }
      if (o.containment === 'document' || o.containment === 'window') {
        this.containment = [
          0 - this.offset.relative.left - this.offset.parent.left,
          0 - this.offset.relative.top - this.offset.parent.top,
          o.containment === 'document'
            ? this.document.width()
            : this.window.width() -
              this.helperProportions.width -
              this.margins.left,
          (o.containment === 'document'
            ? this.document.height() || document.body.parentNode.scrollHeight
            : this.window.height() ||
              this.document[0].body.parentNode.scrollHeight) -
            this.helperProportions.height -
            this.margins.top,
        ]
      }

      if (!/^(document|window|parent)$/.test(o.containment)) {
        ce = $(o.containment)[0]
        co = $(o.containment).offset()
        over = $(ce).css('overflow') !== 'hidden'

        this.containment = [
          co.left +
            (parseInt($(ce).css('borderLeftWidth'), 10) || 0) +
            (parseInt($(ce).css('paddingLeft'), 10) || 0) -
            this.margins.left,
          co.top +
            (parseInt($(ce).css('borderTopWidth'), 10) || 0) +
            (parseInt($(ce).css('paddingTop'), 10) || 0) -
            this.margins.top,
          co.left +
            (over ? Math.max(ce.scrollWidth, ce.offsetWidth) : ce.offsetWidth) -
            (parseInt($(ce).css('borderLeftWidth'), 10) || 0) -
            (parseInt($(ce).css('paddingRight'), 10) || 0) -
            this.helperProportions.width -
            this.margins.left,
          co.top +
            (over
              ? Math.max(ce.scrollHeight, ce.offsetHeight)
              : ce.offsetHeight) -
            (parseInt($(ce).css('borderTopWidth'), 10) || 0) -
            (parseInt($(ce).css('paddingBottom'), 10) || 0) -
            this.helperProportions.height -
            this.margins.top,
        ]
      }
    },

    _convertPositionTo: function (d, pos) {
      if (!pos) {
        pos = this.position
      }
      var mod = d === 'absolute' ? 1 : -1,
        scroll =
          this.cssPosition === 'absolute' &&
          !(
            this.scrollParent[0] !== this.document[0] &&
            $.contains(this.scrollParent[0], this.offsetParent[0])
          )
            ? this.offsetParent
            : this.scrollParent,
        scrollIsRootNode = /(html|body)/i.test(scroll[0].tagName)

      return {
        top:
          // The absolute mouse position
          pos.top +
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.top * mod +
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.top * mod -
          (this.cssPosition === 'fixed'
            ? -this.scrollParent.scrollTop()
            : scrollIsRootNode
              ? 0
              : scroll.scrollTop()) *
            mod,
        left:
          // The absolute mouse position
          pos.left +
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.left * mod +
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.left * mod -
          (this.cssPosition === 'fixed'
            ? -this.scrollParent.scrollLeft()
            : scrollIsRootNode
              ? 0
              : scroll.scrollLeft()) *
            mod,
      }
    },

    _generatePosition: function (event) {
      var top,
        left,
        o = this.options,
        pageX = event.pageX,
        pageY = event.pageY,
        scroll =
          this.cssPosition === 'absolute' &&
          !(
            this.scrollParent[0] !== this.document[0] &&
            $.contains(this.scrollParent[0], this.offsetParent[0])
          )
            ? this.offsetParent
            : this.scrollParent,
        scrollIsRootNode = /(html|body)/i.test(scroll[0].tagName)

      // This is another very weird special case that only happens for relative elements:
      // 1. If the css position is relative
      // 2. and the scroll parent is the document or similar to the offset parent
      // we have to refresh the relative offset during the scroll so there are no jumps
      if (
        this.cssPosition === 'relative' &&
        !(
          this.scrollParent[0] !== this.document[0] &&
          this.scrollParent[0] !== this.offsetParent[0]
        )
      ) {
        this.offset.relative = this._getRelativeOffset()
      }

      /*
       * - Position constraining -
       * Constrain the position to a mix of grid, containment.
       */

      if (this.originalPosition) {
        //If we are not dragging yet, we won't check for options

        if (this.containment) {
          if (event.pageX - this.offset.click.left < this.containment[0]) {
            pageX = this.containment[0] + this.offset.click.left
          }
          if (event.pageY - this.offset.click.top < this.containment[1]) {
            pageY = this.containment[1] + this.offset.click.top
          }
          if (event.pageX - this.offset.click.left > this.containment[2]) {
            pageX = this.containment[2] + this.offset.click.left
          }
          if (event.pageY - this.offset.click.top > this.containment[3]) {
            pageY = this.containment[3] + this.offset.click.top
          }
        }

        if (o.grid) {
          top =
            this.originalPageY +
            Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]
          pageY = this.containment
            ? top - this.offset.click.top >= this.containment[1] &&
              top - this.offset.click.top <= this.containment[3]
              ? top
              : top - this.offset.click.top >= this.containment[1]
                ? top - o.grid[1]
                : top + o.grid[1]
            : top

          left =
            this.originalPageX +
            Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]
          pageX = this.containment
            ? left - this.offset.click.left >= this.containment[0] &&
              left - this.offset.click.left <= this.containment[2]
              ? left
              : left - this.offset.click.left >= this.containment[0]
                ? left - o.grid[0]
                : left + o.grid[0]
            : left
        }
      }

      return {
        top:
          // The absolute mouse position
          pageY -
          // Click offset (relative to the element)
          this.offset.click.top -
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.top -
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.top +
          (this.cssPosition === 'fixed'
            ? -this.scrollParent.scrollTop()
            : scrollIsRootNode
              ? 0
              : scroll.scrollTop()),
        left:
          // The absolute mouse position
          pageX -
          // Click offset (relative to the element)
          this.offset.click.left -
          // Only for relative positioned nodes: Relative offset from element to offset parent
          this.offset.relative.left -
          // The offsetParent's offset without borders (offset + border)
          this.offset.parent.left +
          (this.cssPosition === 'fixed'
            ? -this.scrollParent.scrollLeft()
            : scrollIsRootNode
              ? 0
              : scroll.scrollLeft()),
      }
    },

    _rearrange: function (event, i, a, hardRefresh) {
      a
        ? a[0].appendChild(this.placeholder[0])
        : i.item[0].parentNode.insertBefore(
            this.placeholder[0],
            this.direction === 'down' ? i.item[0] : i.item[0].nextSibling
          )

      //Various things done here to improve the performance:
      // 1. we create a setTimeout, that calls refreshPositions
      // 2. on the instance, we have a counter variable, that get's higher after every append
      // 3. on the local scope, we copy the counter variable, and check in the timeout,
      // if it's still the same
      // 4. this lets only the last addition to the timeout stack through
      this.counter = this.counter ? ++this.counter : 1
      var counter = this.counter

      this._delay(function () {
        if (counter === this.counter) {
          //Precompute after each DOM insertion, NOT on mousemove
          this.refreshPositions(!hardRefresh)
        }
      })
    },

    _clear: function (event, noPropagation) {
      this.reverting = false

      // We delay all events that have to be triggered to after the point where the placeholder
      // has been removed and everything else normalized again
      var i,
        delayedTriggers = []

      // We first have to update the dom position of the actual currentItem
      // Note: don't do it if the current item is already removed (by a user), or it gets
      // reappended (see #4088)
      if (!this._noFinalSort && this.currentItem.parent().length) {
        this.placeholder.before(this.currentItem)
      }
      this._noFinalSort = null

      if (this.helper[0] === this.currentItem[0]) {
        for (i in this._storedCSS) {
          if (
            this._storedCSS[i] === 'auto' ||
            this._storedCSS[i] === 'static'
          ) {
            this._storedCSS[i] = ''
          }
        }
        this.currentItem.css(this._storedCSS)
        this._removeClass(this.currentItem, 'ui-sortable-helper')
      } else {
        this.currentItem.show()
      }

      if (this.fromOutside && !noPropagation) {
        delayedTriggers.push(function (event) {
          this._trigger('receive', event, this._uiHash(this.fromOutside))
        })
      }
      if (
        (this.fromOutside ||
          this.domPosition.prev !==
            this.currentItem.prev().not('.ui-sortable-helper')[0] ||
          this.domPosition.parent !== this.currentItem.parent()[0]) &&
        !noPropagation
      ) {
        // Trigger update callback if the DOM position has changed
        delayedTriggers.push(function (event) {
          this._trigger('update', event, this._uiHash())
        })
      }

      // Check if the items Container has Changed and trigger appropriate
      // events.
      if (this !== this.currentContainer) {
        if (!noPropagation) {
          delayedTriggers.push(function (event) {
            this._trigger('remove', event, this._uiHash())
          })
          delayedTriggers.push(
            function (c) {
              return function (event) {
                c._trigger('receive', event, this._uiHash(this))
              }
            }.call(this, this.currentContainer)
          )
          delayedTriggers.push(
            function (c) {
              return function (event) {
                c._trigger('update', event, this._uiHash(this))
              }
            }.call(this, this.currentContainer)
          )
        }
      }

      //Post events to containers
      function delayEvent(type, instance, container) {
        return function (event) {
          container._trigger(type, event, instance._uiHash(instance))
        }
      }
      for (i = this.containers.length - 1; i >= 0; i--) {
        if (!noPropagation) {
          delayedTriggers.push(
            delayEvent('deactivate', this, this.containers[i])
          )
        }
        if (this.containers[i].containerCache.over) {
          delayedTriggers.push(delayEvent('out', this, this.containers[i]))
          this.containers[i].containerCache.over = 0
        }
      }

      //Do what was originally in plugins
      if (this.storedCursor) {
        this.document.find('body').css('cursor', this.storedCursor)
        this.storedStylesheet.remove()
      }
      if (this._storedOpacity) {
        this.helper.css('opacity', this._storedOpacity)
      }
      if (this._storedZIndex) {
        this.helper.css(
          'zIndex',
          this._storedZIndex === 'auto' ? '' : this._storedZIndex
        )
      }

      this.dragging = false

      if (!noPropagation) {
        this._trigger('beforeStop', event, this._uiHash())
      }

      //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
      // it unbinds ALL events from the original node!
      this.placeholder[0].parentNode.removeChild(this.placeholder[0])

      if (!this.cancelHelperRemoval) {
        if (this.helper[0] !== this.currentItem[0]) {
          this.helper.remove()
        }
        this.helper = null
      }

      if (!noPropagation) {
        for (i = 0; i < delayedTriggers.length; i++) {
          // Trigger all delayed events
          delayedTriggers[i].call(this, event)
        }
        this._trigger('stop', event, this._uiHash())
      }

      this.fromOutside = false
      return !this.cancelHelperRemoval
    },

    _trigger: function () {
      if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
        this.cancel()
      }
    },

    _uiHash: function (_inst) {
      var inst = _inst || this
      return {
        helper: inst.helper,
        placeholder: inst.placeholder || $([]),
        position: inst.position,
        originalPosition: inst.originalPosition,
        offset: inst.positionAbs,
        item: inst.currentItem,
        sender: _inst ? _inst.element : null,
      }
    },
  })

  /*!
   * jQuery UI Spinner 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Spinner
  //>>group: Widgets
  //>>description: Displays buttons to easily input numbers via the keyboard or mouse.
  //>>docs: http://api.jqueryui.com/spinner/
  //>>demos: http://jqueryui.com/spinner/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/spinner.css
  //>>css.theme: ../../themes/base/theme.css

  function spinnerModifer(fn) {
    return function () {
      var previous = this.element.val()
      fn.apply(this, arguments)
      this._refresh()
      if (previous !== this.element.val()) {
        this._trigger('change')
      }
    }
  }

  $.widget('ui.spinner', {
    version: '1.12.1',
    defaultElement: '<input>',
    widgetEventPrefix: 'spin',
    options: {
      classes: {
        'ui-spinner': 'ui-corner-all',
        'ui-spinner-down': 'ui-corner-br',
        'ui-spinner-up': 'ui-corner-tr',
      },
      culture: null,
      icons: {
        down: 'ui-icon-triangle-1-s',
        up: 'ui-icon-triangle-1-n',
      },
      incremental: true,
      max: null,
      min: null,
      numberFormat: null,
      page: 10,
      step: 1,

      change: null,
      spin: null,
      start: null,
      stop: null,
    },

    _create: function () {
      // handle string values that need to be parsed
      this._setOption('max', this.options.max)
      this._setOption('min', this.options.min)
      this._setOption('step', this.options.step)

      // Only format if there is a value, prevents the field from being marked
      // as invalid in Firefox, see #9573.
      if (this.value() !== '') {
        // Format the value, but don't constrain.
        this._value(this.element.val(), true)
      }

      this._draw()
      this._on(this._events)
      this._refresh()

      // Turning off autocomplete prevents the browser from remembering the
      // value when navigating through history, so we re-enable autocomplete
      // if the page is unloaded before the widget is destroyed. #7790
      this._on(this.window, {
        beforeunload: function () {
          this.element.removeAttr('autocomplete')
        },
      })
    },

    _getCreateOptions: function () {
      var options = this._super()
      var element = this.element

      $.each(['min', 'max', 'step'], function (i, option) {
        var value = element.attr(option)
        if (value != null && value.length) {
          options[option] = value
        }
      })

      return options
    },

    _events: {
      keydown: function (event) {
        if (this._start(event) && this._keydown(event)) {
          event.preventDefault()
        }
      },
      keyup: '_stop',
      focus: function () {
        this.previous = this.element.val()
      },
      blur: function (event) {
        if (this.cancelBlur) {
          delete this.cancelBlur
          return
        }

        this._stop()
        this._refresh()
        if (this.previous !== this.element.val()) {
          this._trigger('change', event)
        }
      },
      mousewheel: function (event, delta) {
        if (!delta) {
          return
        }
        if (!this.spinning && !this._start(event)) {
          return false
        }

        this._spin((delta > 0 ? 1 : -1) * this.options.step, event)
        clearTimeout(this.mousewheelTimer)
        this.mousewheelTimer = this._delay(function () {
          if (this.spinning) {
            this._stop(event)
          }
        }, 100)
        event.preventDefault()
      },
      'mousedown .ui-spinner-button': function (event) {
        var previous

        // We never want the buttons to have focus; whenever the user is
        // interacting with the spinner, the focus should be on the input.
        // If the input is focused then this.previous is properly set from
        // when the input first received focus. If the input is not focused
        // then we need to set this.previous based on the value before spinning.
        previous =
          this.element[0] === $.ui.safeActiveElement(this.document[0])
            ? this.previous
            : this.element.val()
        function checkFocus() {
          var isActive =
            this.element[0] === $.ui.safeActiveElement(this.document[0])
          if (!isActive) {
            this.element.trigger('focus')
            this.previous = previous

            // support: IE
            // IE sets focus asynchronously, so we need to check if focus
            // moved off of the input because the user clicked on the button.
            this._delay(function () {
              this.previous = previous
            })
          }
        }

        // Ensure focus is on (or stays on) the text field
        event.preventDefault()
        checkFocus.call(this)

        // Support: IE
        // IE doesn't prevent moving focus even with event.preventDefault()
        // so we set a flag to know when we should ignore the blur event
        // and check (again) if focus moved off of the input.
        this.cancelBlur = true
        this._delay(function () {
          delete this.cancelBlur
          checkFocus.call(this)
        })

        if (this._start(event) === false) {
          return
        }

        this._repeat(
          null,
          $(event.currentTarget).hasClass('ui-spinner-up') ? 1 : -1,
          event
        )
      },
      'mouseup .ui-spinner-button': '_stop',
      'mouseenter .ui-spinner-button': function (event) {
        // button will add ui-state-active if mouse was down while mouseleave and kept down
        if (!$(event.currentTarget).hasClass('ui-state-active')) {
          return
        }

        if (this._start(event) === false) {
          return false
        }
        this._repeat(
          null,
          $(event.currentTarget).hasClass('ui-spinner-up') ? 1 : -1,
          event
        )
      },

      // TODO: do we really want to consider this a stop?
      // shouldn't we just stop the repeater and wait until mouseup before
      // we trigger the stop event?
      'mouseleave .ui-spinner-button': '_stop',
    },

    // Support mobile enhanced option and make backcompat more sane
    _enhance: function () {
      this.uiSpinner = this.element
        .attr('autocomplete', 'off')
        .wrap('<span>')
        .parent()

        // Add buttons
        .append('<a></a><a></a>')
    },

    _draw: function () {
      this._enhance()

      this._addClass(
        this.uiSpinner,
        'ui-spinner',
        'ui-widget ui-widget-content'
      )
      this._addClass('ui-spinner-input')

      this.element.attr('role', 'spinbutton')

      // Button bindings
      this.buttons = this.uiSpinner
        .children('a')
        .attr('tabIndex', -1)
        .attr('aria-hidden', true)
        .button({
          classes: {
            'ui-button': '',
          },
        })

      // TODO: Right now button does not support classes this is already updated in button PR
      this._removeClass(this.buttons, 'ui-corner-all')

      this._addClass(this.buttons.first(), 'ui-spinner-button ui-spinner-up')
      this._addClass(this.buttons.last(), 'ui-spinner-button ui-spinner-down')
      this.buttons.first().button({
        icon: this.options.icons.up,
        showLabel: false,
      })
      this.buttons.last().button({
        icon: this.options.icons.down,
        showLabel: false,
      })

      // IE 6 doesn't understand height: 50% for the buttons
      // unless the wrapper has an explicit height
      if (
        this.buttons.height() > Math.ceil(this.uiSpinner.height() * 0.5) &&
        this.uiSpinner.height() > 0
      ) {
        this.uiSpinner.height(this.uiSpinner.height())
      }
    },

    _keydown: function (event) {
      var options = this.options,
        keyCode = $.ui.keyCode

      switch (event.keyCode) {
        case keyCode.UP:
          this._repeat(null, 1, event)
          return true
        case keyCode.DOWN:
          this._repeat(null, -1, event)
          return true
        case keyCode.PAGE_UP:
          this._repeat(null, options.page, event)
          return true
        case keyCode.PAGE_DOWN:
          this._repeat(null, -options.page, event)
          return true
      }

      return false
    },

    _start: function (event) {
      if (!this.spinning && this._trigger('start', event) === false) {
        return false
      }

      if (!this.counter) {
        this.counter = 1
      }
      this.spinning = true
      return true
    },

    _repeat: function (i, steps, event) {
      i = i || 500

      clearTimeout(this.timer)
      this.timer = this._delay(function () {
        this._repeat(40, steps, event)
      }, i)

      this._spin(steps * this.options.step, event)
    },

    _spin: function (step, event) {
      var value = this.value() || 0

      if (!this.counter) {
        this.counter = 1
      }

      value = this._adjustValue(value + step * this._increment(this.counter))

      if (
        !this.spinning ||
        this._trigger('spin', event, { value: value }) !== false
      ) {
        this._value(value)
        this.counter++
      }
    },

    _increment: function (i) {
      var incremental = this.options.incremental

      if (incremental) {
        return $.isFunction(incremental)
          ? incremental(i)
          : Math.floor((i * i * i) / 50000 - (i * i) / 500 + (17 * i) / 200 + 1)
      }

      return 1
    },

    _precision: function () {
      var precision = this._precisionOf(this.options.step)
      if (this.options.min !== null) {
        precision = Math.max(precision, this._precisionOf(this.options.min))
      }
      return precision
    },

    _precisionOf: function (num) {
      var str = num.toString(),
        decimal = str.indexOf('.')
      return decimal === -1 ? 0 : str.length - decimal - 1
    },

    _adjustValue: function (value) {
      var base,
        aboveMin,
        options = this.options

      // Make sure we're at a valid step
      // - find out where we are relative to the base (min or 0)
      base = options.min !== null ? options.min : 0
      aboveMin = value - base

      // - round to the nearest step
      aboveMin = Math.round(aboveMin / options.step) * options.step

      // - rounding is based on 0, so adjust back to our base
      value = base + aboveMin

      // Fix precision from bad JS floating point math
      value = parseFloat(value.toFixed(this._precision()))

      // Clamp the value
      if (options.max !== null && value > options.max) {
        return options.max
      }
      if (options.min !== null && value < options.min) {
        return options.min
      }

      return value
    },

    _stop: function (event) {
      if (!this.spinning) {
        return
      }

      clearTimeout(this.timer)
      clearTimeout(this.mousewheelTimer)
      this.counter = 0
      this.spinning = false
      this._trigger('stop', event)
    },

    _setOption: function (key, value) {
      var prevValue, first, last

      if (key === 'culture' || key === 'numberFormat') {
        prevValue = this._parse(this.element.val())
        this.options[key] = value
        this.element.val(this._format(prevValue))
        return
      }

      if (key === 'max' || key === 'min' || key === 'step') {
        if (typeof value === 'string') {
          value = this._parse(value)
        }
      }
      if (key === 'icons') {
        first = this.buttons.first().find('.ui-icon')
        this._removeClass(first, null, this.options.icons.up)
        this._addClass(first, null, value.up)
        last = this.buttons.last().find('.ui-icon')
        this._removeClass(last, null, this.options.icons.down)
        this._addClass(last, null, value.down)
      }

      this._super(key, value)
    },

    _setOptionDisabled: function (value) {
      this._super(value)

      this._toggleClass(this.uiSpinner, null, 'ui-state-disabled', !!value)
      this.element.prop('disabled', !!value)
      this.buttons.button(value ? 'disable' : 'enable')
    },

    _setOptions: spinnerModifer(function (options) {
      this._super(options)
    }),

    _parse: function (val) {
      if (typeof val === 'string' && val !== '') {
        val =
          window.Globalize && this.options.numberFormat
            ? Globalize.parseFloat(val, 10, this.options.culture)
            : +val
      }
      return val === '' || isNaN(val) ? null : val
    },

    _format: function (value) {
      if (value === '') {
        return ''
      }
      return window.Globalize && this.options.numberFormat
        ? Globalize.format(
            value,
            this.options.numberFormat,
            this.options.culture
          )
        : value
    },

    _refresh: function () {
      this.element.attr({
        'aria-valuemin': this.options.min,
        'aria-valuemax': this.options.max,

        // TODO: what should we do with values that can't be parsed?
        'aria-valuenow': this._parse(this.element.val()),
      })
    },

    isValid: function () {
      var value = this.value()

      // Null is invalid
      if (value === null) {
        return false
      }

      // If value gets adjusted, it's invalid
      return value === this._adjustValue(value)
    },

    // Update the value without triggering change
    _value: function (value, allowAny) {
      var parsed
      if (value !== '') {
        parsed = this._parse(value)
        if (parsed !== null) {
          if (!allowAny) {
            parsed = this._adjustValue(parsed)
          }
          value = this._format(parsed)
        }
      }
      this.element.val(value)
      this._refresh()
    },

    _destroy: function () {
      this.element
        .prop('disabled', false)
        .removeAttr(
          'autocomplete role aria-valuemin aria-valuemax aria-valuenow'
        )

      this.uiSpinner.replaceWith(this.element)
    },

    stepUp: spinnerModifer(function (steps) {
      this._stepUp(steps)
    }),
    _stepUp: function (steps) {
      if (this._start()) {
        this._spin((steps || 1) * this.options.step)
        this._stop()
      }
    },

    stepDown: spinnerModifer(function (steps) {
      this._stepDown(steps)
    }),
    _stepDown: function (steps) {
      if (this._start()) {
        this._spin((steps || 1) * -this.options.step)
        this._stop()
      }
    },

    pageUp: spinnerModifer(function (pages) {
      this._stepUp((pages || 1) * this.options.page)
    }),

    pageDown: spinnerModifer(function (pages) {
      this._stepDown((pages || 1) * this.options.page)
    }),

    value: function (newVal) {
      if (!arguments.length) {
        return this._parse(this.element.val())
      }
      spinnerModifer(this._value).call(this, newVal)
    },

    widget: function () {
      return this.uiSpinner
    },
  })

  // DEPRECATED
  // TODO: switch return back to widget declaration at top of file when this is removed
  if ($.uiBackCompat !== false) {
    // Backcompat for spinner html extension points
    $.widget('ui.spinner', $.ui.spinner, {
      _enhance: function () {
        this.uiSpinner = this.element
          .attr('autocomplete', 'off')
          .wrap(this._uiSpinnerHtml())
          .parent()

          // Add buttons
          .append(this._buttonHtml())
      },
      _uiSpinnerHtml: function () {
        return '<span>'
      },

      _buttonHtml: function () {
        return '<a></a><a></a>'
      },
    })
  }

  var widgetsSpinner = $.ui.spinner

  /*!
   * jQuery UI Tabs 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Tabs
  //>>group: Widgets
  //>>description: Transforms a set of container elements into a tab structure.
  //>>docs: http://api.jqueryui.com/tabs/
  //>>demos: http://jqueryui.com/tabs/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/tabs.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.tabs', {
    version: '1.12.1',
    delay: 300,
    options: {
      active: null,
      classes: {
        'ui-tabs': 'ui-corner-all',
        'ui-tabs-nav': 'ui-corner-all',
        'ui-tabs-panel': 'ui-corner-bottom',
        'ui-tabs-tab': 'ui-corner-top',
      },
      collapsible: false,
      event: 'click',
      heightStyle: 'content',
      hide: null,
      show: null,

      // Callbacks
      activate: null,
      beforeActivate: null,
      beforeLoad: null,
      load: null,
    },

    _isLocal: (function () {
      var rhash = /#.*$/

      return function (anchor) {
        var anchorUrl, locationUrl

        anchorUrl = anchor.href.replace(rhash, '')
        locationUrl = location.href.replace(rhash, '')

        // Decoding may throw an error if the URL isn't UTF-8 (#9518)
        try {
          anchorUrl = decodeURIComponent(anchorUrl)
        } catch (error) {}
        try {
          locationUrl = decodeURIComponent(locationUrl)
        } catch (error) {}

        return anchor.hash.length > 1 && anchorUrl === locationUrl
      }
    })(),

    _create: function () {
      var that = this,
        options = this.options

      this.running = false

      this._addClass('ui-tabs', 'ui-widget ui-widget-content')
      this._toggleClass('ui-tabs-collapsible', null, options.collapsible)

      this._processTabs()
      options.active = this._initialActive()

      // Take disabling tabs via class attribute from HTML
      // into account and update option properly.
      if ($.isArray(options.disabled)) {
        options.disabled = $.unique(
          options.disabled.concat(
            $.map(this.tabs.filter('.ui-state-disabled'), function (li) {
              return that.tabs.index(li)
            })
          )
        ).sort()
      }

      // Check for length avoids error when initializing empty list
      if (this.options.active !== false && this.anchors.length) {
        this.active = this._findActive(options.active)
      } else {
        this.active = $()
      }

      this._refresh()

      if (this.active.length) {
        this.load(options.active)
      }
    },

    _initialActive: function () {
      var active = this.options.active,
        collapsible = this.options.collapsible,
        locationHash = location.hash.substring(1)

      if (active === null) {
        // check the fragment identifier in the URL
        if (locationHash) {
          this.tabs.each(function (i, tab) {
            if ($(tab).attr('aria-controls') === locationHash) {
              active = i
              return false
            }
          })
        }

        // Check for a tab marked active via a class
        if (active === null) {
          active = this.tabs.index(this.tabs.filter('.ui-tabs-active'))
        }

        // No active tab, set to false
        if (active === null || active === -1) {
          active = this.tabs.length ? 0 : false
        }
      }

      // Handle numbers: negative, out of range
      if (active !== false) {
        active = this.tabs.index(this.tabs.eq(active))
        if (active === -1) {
          active = collapsible ? false : 0
        }
      }

      // Don't allow collapsible: false and active: false
      if (!collapsible && active === false && this.anchors.length) {
        active = 0
      }

      return active
    },

    _getCreateEventData: function () {
      return {
        tab: this.active,
        panel: !this.active.length ? $() : this._getPanelForTab(this.active),
      }
    },

    _tabKeydown: function (event) {
      var focusedTab = $($.ui.safeActiveElement(this.document[0])).closest(
          'li'
        ),
        selectedIndex = this.tabs.index(focusedTab),
        goingForward = true

      if (this._handlePageNav(event)) {
        return
      }

      switch (event.keyCode) {
        case $.ui.keyCode.RIGHT:
        case $.ui.keyCode.DOWN:
          selectedIndex++
          break
        case $.ui.keyCode.UP:
        case $.ui.keyCode.LEFT:
          goingForward = false
          selectedIndex--
          break
        case $.ui.keyCode.END:
          selectedIndex = this.anchors.length - 1
          break
        case $.ui.keyCode.HOME:
          selectedIndex = 0
          break
        case $.ui.keyCode.SPACE:
          // Activate only, no collapsing
          event.preventDefault()
          clearTimeout(this.activating)
          this._activate(selectedIndex)
          return
        case $.ui.keyCode.ENTER:
          // Toggle (cancel delayed activation, allow collapsing)
          event.preventDefault()
          clearTimeout(this.activating)

          // Determine if we should collapse or activate
          this._activate(
            selectedIndex === this.options.active ? false : selectedIndex
          )
          return
        default:
          return
      }

      // Focus the appropriate tab, based on which key was pressed
      event.preventDefault()
      clearTimeout(this.activating)
      selectedIndex = this._focusNextTab(selectedIndex, goingForward)

      // Navigating with control/command key will prevent automatic activation
      if (!event.ctrlKey && !event.metaKey) {
        // Update aria-selected immediately so that AT think the tab is already selected.
        // Otherwise AT may confuse the user by stating that they need to activate the tab,
        // but the tab will already be activated by the time the announcement finishes.
        focusedTab.attr('aria-selected', 'false')
        this.tabs.eq(selectedIndex).attr('aria-selected', 'true')

        this.activating = this._delay(function () {
          this.option('active', selectedIndex)
        }, this.delay)
      }
    },

    _panelKeydown: function (event) {
      if (this._handlePageNav(event)) {
        return
      }

      // Ctrl+up moves focus to the current tab
      if (event.ctrlKey && event.keyCode === $.ui.keyCode.UP) {
        event.preventDefault()
        this.active.trigger('focus')
      }
    },

    // Alt+page up/down moves focus to the previous/next tab (and activates)
    _handlePageNav: function (event) {
      if (event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP) {
        this._activate(this._focusNextTab(this.options.active - 1, false))
        return true
      }
      if (event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN) {
        this._activate(this._focusNextTab(this.options.active + 1, true))
        return true
      }
    },

    _findNextTab: function (index, goingForward) {
      var lastTabIndex = this.tabs.length - 1

      function constrain() {
        if (index > lastTabIndex) {
          index = 0
        }
        if (index < 0) {
          index = lastTabIndex
        }
        return index
      }

      while ($.inArray(constrain(), this.options.disabled) !== -1) {
        index = goingForward ? index + 1 : index - 1
      }

      return index
    },

    _focusNextTab: function (index, goingForward) {
      index = this._findNextTab(index, goingForward)
      this.tabs.eq(index).trigger('focus')
      return index
    },

    _setOption: function (key, value) {
      if (key === 'active') {
        // _activate() will handle invalid values and update this.options
        this._activate(value)
        return
      }

      this._super(key, value)

      if (key === 'collapsible') {
        this._toggleClass('ui-tabs-collapsible', null, value)

        // Setting collapsible: false while collapsed; open first panel
        if (!value && this.options.active === false) {
          this._activate(0)
        }
      }

      if (key === 'event') {
        this._setupEvents(value)
      }

      if (key === 'heightStyle') {
        this._setupHeightStyle(value)
      }
    },

    _sanitizeSelector: function (hash) {
      return hash
        ? hash.replace(/[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, '\\$&')
        : ''
    },

    refresh: function () {
      var options = this.options,
        lis = this.tablist.children(':has(a[href])')

      // Get disabled tabs from class attribute from HTML
      // this will get converted to a boolean if needed in _refresh()
      options.disabled = $.map(
        lis.filter('.ui-state-disabled'),
        function (tab) {
          return lis.index(tab)
        }
      )

      this._processTabs()

      // Was collapsed or no tabs
      if (options.active === false || !this.anchors.length) {
        options.active = false
        this.active = $()

        // was active, but active tab is gone
      } else if (
        this.active.length &&
        !$.contains(this.tablist[0], this.active[0])
      ) {
        // all remaining tabs are disabled
        if (this.tabs.length === options.disabled.length) {
          options.active = false
          this.active = $()

          // activate previous tab
        } else {
          this._activate(
            this._findNextTab(Math.max(0, options.active - 1), false)
          )
        }

        // was active, active tab still exists
      } else {
        // make sure active index is correct
        options.active = this.tabs.index(this.active)
      }

      this._refresh()
    },

    _refresh: function () {
      this._setOptionDisabled(this.options.disabled)
      this._setupEvents(this.options.event)
      this._setupHeightStyle(this.options.heightStyle)

      this.tabs.not(this.active).attr({
        'aria-selected': 'false',
        'aria-expanded': 'false',
        tabIndex: -1,
      })
      this.panels.not(this._getPanelForTab(this.active)).hide().attr({
        'aria-hidden': 'true',
      })

      // Make sure one tab is in the tab order
      if (!this.active.length) {
        this.tabs.eq(0).attr('tabIndex', 0)
      } else {
        this.active.attr({
          'aria-selected': 'true',
          'aria-expanded': 'true',
          tabIndex: 0,
        })
        this._addClass(this.active, 'ui-tabs-active', 'ui-state-active')
        this._getPanelForTab(this.active).show().attr({
          'aria-hidden': 'false',
        })
      }
    },

    _processTabs: function () {
      var that = this,
        prevTabs = this.tabs,
        prevAnchors = this.anchors,
        prevPanels = this.panels

      this.tablist = this._getList().attr('role', 'tablist')
      this._addClass(
        this.tablist,
        'ui-tabs-nav',
        'ui-helper-reset ui-helper-clearfix ui-widget-header'
      )

      // Prevent users from focusing disabled tabs via click
      this.tablist
        .on('mousedown' + this.eventNamespace, '> li', function (event) {
          if ($(this).is('.ui-state-disabled')) {
            event.preventDefault()
          }
        })

        // Support: IE <9
        // Preventing the default action in mousedown doesn't prevent IE
        // from focusing the element, so if the anchor gets focused, blur.
        // We don't have to worry about focusing the previously focused
        // element since clicking on a non-focusable element should focus
        // the body anyway.
        .on('focus' + this.eventNamespace, '.ui-tabs-anchor', function () {
          if ($(this).closest('li').is('.ui-state-disabled')) {
            this.blur()
          }
        })

      this.tabs = this.tablist.find('> li:has(a[href])').attr({
        role: 'tab',
        tabIndex: -1,
      })
      this._addClass(this.tabs, 'ui-tabs-tab', 'ui-state-default')

      this.anchors = this.tabs
        .map(function () {
          return $('a', this)[0]
        })
        .attr({
          role: 'presentation',
          tabIndex: -1,
        })
      this._addClass(this.anchors, 'ui-tabs-anchor')

      this.panels = $()

      this.anchors.each(function (i, anchor) {
        var selector,
          panel,
          panelId,
          anchorId = $(anchor).uniqueId().attr('id'),
          tab = $(anchor).closest('li'),
          originalAriaControls = tab.attr('aria-controls')

        // Inline tab
        if (that._isLocal(anchor)) {
          selector = anchor.hash
          panelId = selector.substring(1)
          panel = that.element.find(that._sanitizeSelector(selector))

          // remote tab
        } else {
          // If the tab doesn't already have aria-controls,
          // generate an id by using a throw-away element
          panelId = tab.attr('aria-controls') || $({}).uniqueId()[0].id
          selector = '#' + panelId
          panel = that.element.find(selector)
          if (!panel.length) {
            panel = that._createPanel(panelId)
            panel.insertAfter(that.panels[i - 1] || that.tablist)
          }
          panel.attr('aria-live', 'polite')
        }

        if (panel.length) {
          that.panels = that.panels.add(panel)
        }
        if (originalAriaControls) {
          tab.data('ui-tabs-aria-controls', originalAriaControls)
        }
        tab.attr({
          'aria-controls': panelId,
          'aria-labelledby': anchorId,
        })
        panel.attr('aria-labelledby', anchorId)
      })

      this.panels.attr('role', 'tabpanel')
      this._addClass(this.panels, 'ui-tabs-panel', 'ui-widget-content')

      // Avoid memory leaks (#10056)
      if (prevTabs) {
        this._off(prevTabs.not(this.tabs))
        this._off(prevAnchors.not(this.anchors))
        this._off(prevPanels.not(this.panels))
      }
    },

    // Allow overriding how to find the list for rare usage scenarios (#7715)
    _getList: function () {
      return this.tablist || this.element.find('ol, ul').eq(0)
    },

    _createPanel: function (id) {
      return $('<div>').attr('id', id).data('ui-tabs-destroy', true)
    },

    _setOptionDisabled: function (disabled) {
      var currentItem, li, i

      if ($.isArray(disabled)) {
        if (!disabled.length) {
          disabled = false
        } else if (disabled.length === this.anchors.length) {
          disabled = true
        }
      }

      // Disable tabs
      for (i = 0; (li = this.tabs[i]); i++) {
        currentItem = $(li)
        if (disabled === true || $.inArray(i, disabled) !== -1) {
          currentItem.attr('aria-disabled', 'true')
          this._addClass(currentItem, null, 'ui-state-disabled')
        } else {
          currentItem.removeAttr('aria-disabled')
          this._removeClass(currentItem, null, 'ui-state-disabled')
        }
      }

      this.options.disabled = disabled

      this._toggleClass(
        this.widget(),
        this.widgetFullName + '-disabled',
        null,
        disabled === true
      )
    },

    _setupEvents: function (event) {
      var events = {}
      if (event) {
        $.each(event.split(' '), function (index, eventName) {
          events[eventName] = '_eventHandler'
        })
      }

      this._off(this.anchors.add(this.tabs).add(this.panels))

      // Always prevent the default action, even when disabled
      this._on(true, this.anchors, {
        click: function (event) {
          event.preventDefault()
        },
      })
      this._on(this.anchors, events)
      this._on(this.tabs, { keydown: '_tabKeydown' })
      this._on(this.panels, { keydown: '_panelKeydown' })

      this._focusable(this.tabs)
      this._hoverable(this.tabs)
    },

    _setupHeightStyle: function (heightStyle) {
      var maxHeight,
        parent = this.element.parent()

      if (heightStyle === 'fill') {
        maxHeight = parent.height()
        maxHeight -= this.element.outerHeight() - this.element.height()

        this.element.siblings(':visible').each(function () {
          var elem = $(this),
            position = elem.css('position')

          if (position === 'absolute' || position === 'fixed') {
            return
          }
          maxHeight -= elem.outerHeight(true)
        })

        this.element
          .children()
          .not(this.panels)
          .each(function () {
            maxHeight -= $(this).outerHeight(true)
          })

        this.panels
          .each(function () {
            $(this).height(
              Math.max(0, maxHeight - $(this).innerHeight() + $(this).height())
            )
          })
          .css('overflow', 'auto')
      } else if (heightStyle === 'auto') {
        maxHeight = 0
        this.panels
          .each(function () {
            maxHeight = Math.max(maxHeight, $(this).height('').height())
          })
          .height(maxHeight)
      }
    },

    _eventHandler: function (event) {
      var options = this.options,
        active = this.active,
        anchor = $(event.currentTarget),
        tab = anchor.closest('li'),
        clickedIsActive = tab[0] === active[0],
        collapsing = clickedIsActive && options.collapsible,
        toShow = collapsing ? $() : this._getPanelForTab(tab),
        toHide = !active.length ? $() : this._getPanelForTab(active),
        eventData = {
          oldTab: active,
          oldPanel: toHide,
          newTab: collapsing ? $() : tab,
          newPanel: toShow,
        }

      event.preventDefault()

      if (
        tab.hasClass('ui-state-disabled') ||
        // tab is already loading
        tab.hasClass('ui-tabs-loading') ||
        // can't switch durning an animation
        this.running ||
        // click on active header, but not collapsible
        (clickedIsActive && !options.collapsible) ||
        // allow canceling activation
        this._trigger('beforeActivate', event, eventData) === false
      ) {
        return
      }

      options.active = collapsing ? false : this.tabs.index(tab)

      this.active = clickedIsActive ? $() : tab
      if (this.xhr) {
        this.xhr.abort()
      }

      if (!toHide.length && !toShow.length) {
        $.error('jQuery UI Tabs: Mismatching fragment identifier.')
      }

      if (toShow.length) {
        this.load(this.tabs.index(tab), event)
      }
      this._toggle(event, eventData)
    },

    // Handles show/hide for selecting tabs
    _toggle: function (event, eventData) {
      var that = this,
        toShow = eventData.newPanel,
        toHide = eventData.oldPanel

      this.running = true

      function complete() {
        that.running = false
        that._trigger('activate', event, eventData)
      }

      function show() {
        that._addClass(
          eventData.newTab.closest('li'),
          'ui-tabs-active',
          'ui-state-active'
        )

        if (toShow.length && that.options.show) {
          that._show(toShow, that.options.show, complete)
        } else {
          toShow.show()
          complete()
        }
      }

      // Start out by hiding, then showing, then completing
      if (toHide.length && this.options.hide) {
        this._hide(toHide, this.options.hide, function () {
          that._removeClass(
            eventData.oldTab.closest('li'),
            'ui-tabs-active',
            'ui-state-active'
          )
          show()
        })
      } else {
        this._removeClass(
          eventData.oldTab.closest('li'),
          'ui-tabs-active',
          'ui-state-active'
        )
        toHide.hide()
        show()
      }

      toHide.attr('aria-hidden', 'true')
      eventData.oldTab.attr({
        'aria-selected': 'false',
        'aria-expanded': 'false',
      })

      // If we're switching tabs, remove the old tab from the tab order.
      // If we're opening from collapsed state, remove the previous tab from the tab order.
      // If we're collapsing, then keep the collapsing tab in the tab order.
      if (toShow.length && toHide.length) {
        eventData.oldTab.attr('tabIndex', -1)
      } else if (toShow.length) {
        this.tabs
          .filter(function () {
            return $(this).attr('tabIndex') === 0
          })
          .attr('tabIndex', -1)
      }

      toShow.attr('aria-hidden', 'false')
      eventData.newTab.attr({
        'aria-selected': 'true',
        'aria-expanded': 'true',
        tabIndex: 0,
      })
    },

    _activate: function (index) {
      var anchor,
        active = this._findActive(index)

      // Trying to activate the already active panel
      if (active[0] === this.active[0]) {
        return
      }

      // Trying to collapse, simulate a click on the current active header
      if (!active.length) {
        active = this.active
      }

      anchor = active.find('.ui-tabs-anchor')[0]
      this._eventHandler({
        target: anchor,
        currentTarget: anchor,
        preventDefault: $.noop,
      })
    },

    _findActive: function (index) {
      return index === false ? $() : this.tabs.eq(index)
    },

    _getIndex: function (index) {
      // meta-function to give users option to provide a href string instead of a numerical index.
      if (typeof index === 'string') {
        index = this.anchors.index(
          this.anchors.filter("[href$='" + $.ui.escapeSelector(index) + "']")
        )
      }

      return index
    },

    _destroy: function () {
      if (this.xhr) {
        this.xhr.abort()
      }

      this.tablist.removeAttr('role').off(this.eventNamespace)

      this.anchors.removeAttr('role tabIndex').removeUniqueId()

      this.tabs.add(this.panels).each(function () {
        if ($.data(this, 'ui-tabs-destroy')) {
          $(this).remove()
        } else {
          $(this).removeAttr(
            'role tabIndex ' +
              'aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded'
          )
        }
      })

      this.tabs.each(function () {
        var li = $(this),
          prev = li.data('ui-tabs-aria-controls')
        if (prev) {
          li.attr('aria-controls', prev).removeData('ui-tabs-aria-controls')
        } else {
          li.removeAttr('aria-controls')
        }
      })

      this.panels.show()

      if (this.options.heightStyle !== 'content') {
        this.panels.css('height', '')
      }
    },

    enable: function (index) {
      var disabled = this.options.disabled
      if (disabled === false) {
        return
      }

      if (index === undefined) {
        disabled = false
      } else {
        index = this._getIndex(index)
        if ($.isArray(disabled)) {
          disabled = $.map(disabled, function (num) {
            return num !== index ? num : null
          })
        } else {
          disabled = $.map(this.tabs, function (li, num) {
            return num !== index ? num : null
          })
        }
      }
      this._setOptionDisabled(disabled)
    },

    disable: function (index) {
      var disabled = this.options.disabled
      if (disabled === true) {
        return
      }

      if (index === undefined) {
        disabled = true
      } else {
        index = this._getIndex(index)
        if ($.inArray(index, disabled) !== -1) {
          return
        }
        if ($.isArray(disabled)) {
          disabled = $.merge([index], disabled).sort()
        } else {
          disabled = [index]
        }
      }
      this._setOptionDisabled(disabled)
    },

    load: function (index, event) {
      index = this._getIndex(index)
      var that = this,
        tab = this.tabs.eq(index),
        anchor = tab.find('.ui-tabs-anchor'),
        panel = this._getPanelForTab(tab),
        eventData = {
          tab: tab,
          panel: panel,
        },
        complete = function (jqXHR, status) {
          if (status === 'abort') {
            that.panels.stop(false, true)
          }

          that._removeClass(tab, 'ui-tabs-loading')
          panel.removeAttr('aria-busy')

          if (jqXHR === that.xhr) {
            delete that.xhr
          }
        }

      // Not remote
      if (this._isLocal(anchor[0])) {
        return
      }

      this.xhr = $.ajax(this._ajaxSettings(anchor, event, eventData))

      // Support: jQuery <1.8
      // jQuery <1.8 returns false if the request is canceled in beforeSend,
      // but as of 1.8, $.ajax() always returns a jqXHR object.
      if (this.xhr && this.xhr.statusText !== 'canceled') {
        this._addClass(tab, 'ui-tabs-loading')
        panel.attr('aria-busy', 'true')

        this.xhr
          .done(function (response, status, jqXHR) {
            // support: jQuery <1.8
            // http://bugs.jquery.com/ticket/11778
            setTimeout(function () {
              panel.html(response)
              that._trigger('load', event, eventData)

              complete(jqXHR, status)
            }, 1)
          })
          .fail(function (jqXHR, status) {
            // support: jQuery <1.8
            // http://bugs.jquery.com/ticket/11778
            setTimeout(function () {
              complete(jqXHR, status)
            }, 1)
          })
      }
    },

    _ajaxSettings: function (anchor, event, eventData) {
      var that = this
      return {
        // Support: IE <11 only
        // Strip any hash that exists to prevent errors with the Ajax request
        url: anchor.attr('href').replace(/#.*$/, ''),
        beforeSend: function (jqXHR, settings) {
          return that._trigger(
            'beforeLoad',
            event,
            $.extend({ jqXHR: jqXHR, ajaxSettings: settings }, eventData)
          )
        },
      }
    },

    _getPanelForTab: function (tab) {
      var id = $(tab).attr('aria-controls')
      return this.element.find(this._sanitizeSelector('#' + id))
    },
  })

  // DEPRECATED
  // TODO: Switch return back to widget declaration at top of file when this is removed
  if ($.uiBackCompat !== false) {
    // Backcompat for ui-tab class (now ui-tabs-tab)
    $.widget('ui.tabs', $.ui.tabs, {
      _processTabs: function () {
        this._superApply(arguments)
        this._addClass(this.tabs, 'ui-tab')
      },
    })
  }

  var widgetsTabs = $.ui.tabs

  /*!
   * jQuery UI Tooltip 1.12.1
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   */

  //>>label: Tooltip
  //>>group: Widgets
  //>>description: Shows additional information for any element on hover or focus.
  //>>docs: http://api.jqueryui.com/tooltip/
  //>>demos: http://jqueryui.com/tooltip/
  //>>css.structure: ../../themes/base/core.css
  //>>css.structure: ../../themes/base/tooltip.css
  //>>css.theme: ../../themes/base/theme.css

  $.widget('ui.tooltip', {
    version: '1.12.1',
    options: {
      classes: {
        'ui-tooltip': 'ui-corner-all ui-widget-shadow',
      },
      content: function () {
        // support: IE<9, Opera in jQuery <1.7
        // .text() can't accept undefined, so coerce to a string
        var title = $(this).attr('title') || ''

        // Escape title, since we're going from an attribute to raw HTML
        return $('<a>').text(title).html()
      },
      hide: true,

      // Disabled elements have inconsistent behavior across browsers (#8661)
      items: '[title]:not([disabled])',
      position: {
        my: 'left top+15',
        at: 'left bottom',
        collision: 'flipfit flip',
      },
      show: true,
      track: false,

      // Callbacks
      close: null,
      open: null,
    },

    _addDescribedBy: function (elem, id) {
      var describedby = (elem.attr('aria-describedby') || '').split(/\s+/)
      describedby.push(id)
      elem
        .data('ui-tooltip-id', id)
        .attr('aria-describedby', $.trim(describedby.join(' ')))
    },

    _removeDescribedBy: function (elem) {
      var id = elem.data('ui-tooltip-id'),
        describedby = (elem.attr('aria-describedby') || '').split(/\s+/),
        index = $.inArray(id, describedby)

      if (index !== -1) {
        describedby.splice(index, 1)
      }

      elem.removeData('ui-tooltip-id')
      describedby = $.trim(describedby.join(' '))
      if (describedby) {
        elem.attr('aria-describedby', describedby)
      } else {
        elem.removeAttr('aria-describedby')
      }
    },

    _create: function () {
      this._on({
        mouseover: 'open',
        focusin: 'open',
      })

      // IDs of generated tooltips, needed for destroy
      this.tooltips = {}

      // IDs of parent tooltips where we removed the title attribute
      this.parents = {}

      // Append the aria-live region so tooltips announce correctly
      this.liveRegion = $('<div>')
        .attr({
          role: 'log',
          'aria-live': 'assertive',
          'aria-relevant': 'additions',
        })
        .appendTo(this.document[0].body)
      this._addClass(this.liveRegion, null, 'ui-helper-hidden-accessible')

      this.disabledTitles = $([])
    },

    _setOption: function (key, value) {
      var that = this

      this._super(key, value)

      if (key === 'content') {
        $.each(this.tooltips, function (id, tooltipData) {
          that._updateContent(tooltipData.element)
        })
      }
    },

    _setOptionDisabled: function (value) {
      this[value ? '_disable' : '_enable']()
    },

    _disable: function () {
      var that = this

      // Close open tooltips
      $.each(this.tooltips, function (id, tooltipData) {
        var event = $.Event('blur')
        event.target = event.currentTarget = tooltipData.element[0]
        that.close(event, true)
      })

      // Remove title attributes to prevent native tooltips
      this.disabledTitles = this.disabledTitles.add(
        this.element
          .find(this.options.items)
          .addBack()
          .filter(function () {
            var element = $(this)
            if (element.is('[title]')) {
              return element
                .data('ui-tooltip-title', element.attr('title'))
                .removeAttr('title')
            }
          })
      )
    },

    _enable: function () {
      // restore title attributes
      this.disabledTitles.each(function () {
        var element = $(this)
        if (element.data('ui-tooltip-title')) {
          element.attr('title', element.data('ui-tooltip-title'))
        }
      })
      this.disabledTitles = $([])
    },

    open: function (event) {
      var that = this,
        target = $(event ? event.target : this.element)
          // we need closest here due to mouseover bubbling,
          // but always pointing at the same event target
          .closest(this.options.items)

      // No element to show a tooltip for or the tooltip is already open
      if (!target.length || target.data('ui-tooltip-id')) {
        return
      }

      if (target.attr('title')) {
        target.data('ui-tooltip-title', target.attr('title'))
      }

      target.data('ui-tooltip-open', true)

      // Kill parent tooltips, custom or native, for hover
      if (event && event.type === 'mouseover') {
        target.parents().each(function () {
          var parent = $(this),
            blurEvent
          if (parent.data('ui-tooltip-open')) {
            blurEvent = $.Event('blur')
            blurEvent.target = blurEvent.currentTarget = this
            that.close(blurEvent, true)
          }
          if (parent.attr('title')) {
            parent.uniqueId()
            that.parents[this.id] = {
              element: this,
              title: parent.attr('title'),
            }
            parent.attr('title', '')
          }
        })
      }

      this._registerCloseHandlers(event, target)
      this._updateContent(target, event)
    },

    _updateContent: function (target, event) {
      var content,
        contentOption = this.options.content,
        that = this,
        eventType = event ? event.type : null

      if (
        typeof contentOption === 'string' ||
        contentOption.nodeType ||
        contentOption.jquery
      ) {
        return this._open(event, target, contentOption)
      }

      content = contentOption.call(target[0], function (response) {
        // IE may instantly serve a cached response for ajax requests
        // delay this call to _open so the other call to _open runs first
        that._delay(function () {
          // Ignore async response if tooltip was closed already
          if (!target.data('ui-tooltip-open')) {
            return
          }

          // JQuery creates a special event for focusin when it doesn't
          // exist natively. To improve performance, the native event
          // object is reused and the type is changed. Therefore, we can't
          // rely on the type being correct after the event finished
          // bubbling, so we set it back to the previous value. (#8740)
          if (event) {
            event.type = eventType
          }
          this._open(event, target, response)
        })
      })
      if (content) {
        this._open(event, target, content)
      }
    },

    _open: function (event, target, content) {
      var tooltipData,
        tooltip,
        delayedShow,
        a11yContent,
        positionOption = $.extend({}, this.options.position)

      if (!content) {
        return
      }

      // Content can be updated multiple times. If the tooltip already
      // exists, then just update the content and bail.
      tooltipData = this._find(target)
      if (tooltipData) {
        tooltipData.tooltip.find('.ui-tooltip-content').html(content)
        return
      }

      // If we have a title, clear it to prevent the native tooltip
      // we have to check first to avoid defining a title if none exists
      // (we don't want to cause an element to start matching [title])
      //
      // We use removeAttr only for key events, to allow IE to export the correct
      // accessible attributes. For mouse events, set to empty string to avoid
      // native tooltip showing up (happens only when removing inside mouseover).
      if (target.is('[title]')) {
        if (event && event.type === 'mouseover') {
          target.attr('title', '')
        } else {
          target.removeAttr('title')
        }
      }

      tooltipData = this._tooltip(target)
      tooltip = tooltipData.tooltip
      this._addDescribedBy(target, tooltip.attr('id'))
      tooltip.find('.ui-tooltip-content').html(content)

      // Support: Voiceover on OS X, JAWS on IE <= 9
      // JAWS announces deletions even when aria-relevant="additions"
      // Voiceover will sometimes re-read the entire log region's contents from the beginning
      this.liveRegion.children().hide()
      a11yContent = $('<div>').html(tooltip.find('.ui-tooltip-content').html())
      a11yContent.removeAttr('name').find('[name]').removeAttr('name')
      a11yContent.removeAttr('id').find('[id]').removeAttr('id')
      a11yContent.appendTo(this.liveRegion)

      function position(event) {
        positionOption.of = event
        if (tooltip.is(':hidden')) {
          return
        }
        tooltip.position(positionOption)
      }
      if (this.options.track && event && /^mouse/.test(event.type)) {
        this._on(this.document, {
          mousemove: position,
        })

        // trigger once to override element-relative positioning
        position(event)
      } else {
        tooltip.position(
          $.extend(
            {
              of: target,
            },
            this.options.position
          )
        )
      }

      tooltip.hide()

      this._show(tooltip, this.options.show)

      // Handle tracking tooltips that are shown with a delay (#8644). As soon
      // as the tooltip is visible, position the tooltip using the most recent
      // event.
      // Adds the check to add the timers only when both delay and track options are set (#14682)
      if (this.options.track && this.options.show && this.options.show.delay) {
        delayedShow = this.delayedShow = setInterval(function () {
          if (tooltip.is(':visible')) {
            position(positionOption.of)
            clearInterval(delayedShow)
          }
        }, $.fx.interval)
      }

      this._trigger('open', event, { tooltip: tooltip })
    },

    _registerCloseHandlers: function (event, target) {
      var events = {
        keyup: function (event) {
          if (event.keyCode === $.ui.keyCode.ESCAPE) {
            var fakeEvent = $.Event(event)
            fakeEvent.currentTarget = target[0]
            this.close(fakeEvent, true)
          }
        },
      }

      // Only bind remove handler for delegated targets. Non-delegated
      // tooltips will handle this in destroy.
      if (target[0] !== this.element[0]) {
        events.remove = function () {
          this._removeTooltip(this._find(target).tooltip)
        }
      }

      if (!event || event.type === 'mouseover') {
        events.mouseleave = 'close'
      }
      if (!event || event.type === 'focusin') {
        events.focusout = 'close'
      }
      this._on(true, target, events)
    },

    close: function (event) {
      var tooltip,
        that = this,
        target = $(event ? event.currentTarget : this.element),
        tooltipData = this._find(target)

      // The tooltip may already be closed
      if (!tooltipData) {
        // We set ui-tooltip-open immediately upon open (in open()), but only set the
        // additional data once there's actually content to show (in _open()). So even if the
        // tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
        // the period between open() and _open().
        target.removeData('ui-tooltip-open')
        return
      }

      tooltip = tooltipData.tooltip

      // Disabling closes the tooltip, so we need to track when we're closing
      // to avoid an infinite loop in case the tooltip becomes disabled on close
      if (tooltipData.closing) {
        return
      }

      // Clear the interval for delayed tracking tooltips
      clearInterval(this.delayedShow)

      // Only set title if we had one before (see comment in _open())
      // If the title attribute has changed since open(), don't restore
      if (target.data('ui-tooltip-title') && !target.attr('title')) {
        target.attr('title', target.data('ui-tooltip-title'))
      }

      this._removeDescribedBy(target)

      tooltipData.hiding = true
      tooltip.stop(true)
      this._hide(tooltip, this.options.hide, function () {
        that._removeTooltip($(this))
      })

      target.removeData('ui-tooltip-open')
      this._off(target, 'mouseleave focusout keyup')

      // Remove 'remove' binding only on delegated targets
      if (target[0] !== this.element[0]) {
        this._off(target, 'remove')
      }
      this._off(this.document, 'mousemove')

      if (event && event.type === 'mouseleave') {
        $.each(this.parents, function (id, parent) {
          $(parent.element).attr('title', parent.title)
          delete that.parents[id]
        })
      }

      tooltipData.closing = true
      this._trigger('close', event, { tooltip: tooltip })
      if (!tooltipData.hiding) {
        tooltipData.closing = false
      }
    },

    _tooltip: function (element) {
      var tooltip = $('<div>').attr('role', 'tooltip'),
        content = $('<div>').appendTo(tooltip),
        id = tooltip.uniqueId().attr('id')

      this._addClass(content, 'ui-tooltip-content')
      this._addClass(tooltip, 'ui-tooltip', 'ui-widget ui-widget-content')

      tooltip.appendTo(this._appendTo(element))

      return (this.tooltips[id] = {
        element: element,
        tooltip: tooltip,
      })
    },

    _find: function (target) {
      var id = target.data('ui-tooltip-id')
      return id ? this.tooltips[id] : null
    },

    _removeTooltip: function (tooltip) {
      tooltip.remove()
      delete this.tooltips[tooltip.attr('id')]
    },

    _appendTo: function (target) {
      var element = target.closest('.ui-front, dialog')

      if (!element.length) {
        element = this.document[0].body
      }

      return element
    },

    _destroy: function () {
      var that = this

      // Close open tooltips
      $.each(this.tooltips, function (id, tooltipData) {
        // Delegate to close method to handle common cleanup
        var event = $.Event('blur'),
          element = tooltipData.element
        event.target = event.currentTarget = element[0]
        that.close(event, true)

        // Remove immediately; destroying an open tooltip doesn't use the
        // hide animation
        $('#' + id).remove()

        // Restore the title
        if (element.data('ui-tooltip-title')) {
          // If the title attribute has changed since open(), don't restore
          if (!element.attr('title')) {
            element.attr('title', element.data('ui-tooltip-title'))
          }
          element.removeData('ui-tooltip-title')
        }
      })
      this.liveRegion.remove()
    },
  })

  // DEPRECATED
  // TODO: Switch return back to widget declaration at top of file when this is removed
  if ($.uiBackCompat !== false) {
    // Backcompat for tooltipClass option
    $.widget('ui.tooltip', $.ui.tooltip, {
      options: {
        tooltipClass: null,
      },
      _tooltip: function () {
        var tooltipData = this._superApply(arguments)
        if (this.options.tooltipClass) {
          tooltipData.tooltip.addClass(this.options.tooltipClass)
        }
        return tooltipData
      },
    })
  }

  var widgetsTooltip = $.ui.tooltip
})