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                                                                                                                                                                                                      \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                      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             \n                                                                                                                                                                                                       \n\n*/\n(function (f, define) {\n    define('kendo.dropdownlist', [\n        'kendo.list',\n        'kendo.mobile.scroller'\n    ], f);\n}(function () {\n    var __meta__ = {\n        id: 'dropdownlist',\n        name: 'DropDownList',\n        category: 'web',\n        description: 'The DropDownList widget displays a list of values and allows the selection of a single value from the list.',\n        depends: ['list'],\n        features: [\n            {\n                id: 'mobile-scroller',\n                name: 'Mobile scroller',\n                description: 'Support for kinetic scrolling in mobile device',\n                depends: ['mobile.scroller']\n            },\n            {\n                id: 'virtualization',\n                name: 'VirtualList',\n                description: 'Support for virtualization',\n                depends: ['virtuallist']\n            }\n        ]\n    };\n    (function ($, undefined) {\n        var kendo = window.kendo, ui = kendo.ui, List = ui.List, Select = ui.Select, support = kendo.support, activeElement = kendo._activeElement, ObservableObject = kendo.data.ObservableObject, keys = kendo.keys, ns = '.kendoDropDownList', DISABLED = 'disabled', READONLY = 'readonly', CHANGE = 'change', FOCUSED = 'k-state-focused', DEFAULT = 'k-state-default', STATEDISABLED = 'k-state-disabled', ARIA_DISABLED = 'aria-disabled', HOVEREVENTS = 'mouseenter' + ns + ' mouseleave' + ns, TABINDEX = 'tabindex', STATE_FILTER = 'filter', STATE_ACCEPT = 'accept', MSG_INVALID_OPTION_LABEL = 'The `optionLabel` option is not valid due to missing fields. Define a custom optionLabel as shown here http://docs.telerik.com/kendo-ui/api/javascript/ui/dropdownlist#configuration-optionLabel', proxy = $.proxy;\n        var DropDownList = Select.extend({\n            init: function (element, options) {\n                var that = this;\n                var index = options && options.index;\n                var optionLabel, text, disabled;\n                that.ns = ns;\n                options = $.isArray(options) ? { dataSource: options } : options;\n                Select.fn.init.call(that, element, options);\n                options = that.options;\n                element = that.element.on('focus' + ns, proxy(that._focusHandler, that));\n                that._focusInputHandler = $.proxy(that._focusInput, that);\n                that.optionLabel = $();\n                that._optionLabel();\n                that._inputTemplate();\n                that._reset();\n                that._prev = '';\n                that._word = '';\n                that._wrapper();\n                that._tabindex();\n                that.wrapper.data(TABINDEX, that.wrapper.attr(TABINDEX));\n                that._span();\n                that._popup();\n                that._mobile();\n                that._dataSource();\n                that._ignoreCase();\n                that._filterHeader();\n                that._aria();\n                that._enable();\n                that._oldIndex = that.selectedIndex = -1;\n                if (index !== undefined) {\n                    options.index = index;\n                }\n                that._initialIndex = options.index;\n                that.requireValueMapper(that.options);\n                that._initList();\n                that._cascade();\n                if (options.autoBind) {\n                    that.dataSource.fetch();\n                } else if (that.selectedIndex === -1) {\n                    text = options.text || '';\n                    if (!text) {\n                        optionLabel = options.optionLabel;\n                        if (optionLabel && options.index === 0) {\n                            text = optionLabel;\n                        } else if (that._isSelect) {\n                            text = element.children(':selected').text();\n                        }\n                    }\n                    that._textAccessor(text);\n                }\n                disabled = $(that.element).parents('fieldset').is(':disabled');\n                if (disabled) {\n                    that.enable(false);\n                }\n                that.listView.bind('click', function (e) {\n                    e.preventDefault();\n                });\n                kendo.notify(that);\n            },\n            options: {\n                name: 'DropDownList',\n                enabled: true,\n                autoBind: true,\n                index: 0,\n                text: null,\n                value: null,\n                delay: 500,\n                height: 200,\n                dataTextField: '',\n                dataValueField: '',\n                optionLabel: '',\n                cascadeFrom: '',\n                cascadeFromField: '',\n                ignoreCase: true,\n                animation: {},\n                filter: 'none',\n                minLength: 1,\n                enforceMinLength: false,\n                virtual: false,\n                template: null,\n                valueTemplate: null,\n                optionLabelTemplate: null,\n                groupTemplate: '#:data#',\n                fixedGroupTemplate: '#:data#'\n            },\n            events: [\n                'open',\n                'close',\n                CHANGE,\n                'select',\n                'filtering',\n                'dataBinding',\n                'dataBound',\n                'cascade',\n                'set'\n            ],\n            setOptions: function (options) {\n                Select.fn.setOptions.call(this, options);\n                this.listView.setOptions(this._listOptions(options));\n                this._optionLabel();\n                this._inputTemplate();\n                this._accessors();\n                this._filterHeader();\n                this._enable();\n                this._aria();\n                if (!this.value() && this.hasOptionLabel()) {\n                    this.select(0);\n                }\n            },\n            destroy: function () {\n                var that = this;\n                Select.fn.destroy.call(that);\n                that.wrapper.off(ns);\n                that.element.off(ns);\n                that._inputWrapper.off(ns);\n                that._arrow.off();\n                that._arrow = null;\n                that.optionLabel.off();\n            },\n            open: function () {\n                var that = this;\n                if (that.popup.visible()) {\n                    return;\n                }\n                if (!that.listView.bound() || that._state === STATE_ACCEPT) {\n                    that._open = true;\n                    that._state = 'rebind';\n                    if (that.filterInput) {\n                        that.filterInput.val('');\n                        that._prev = '';\n                    }\n                    if (that.filterInput && that.options.minLength !== 1) {\n                        that.refresh();\n                        that.popup.one('activate', that._focusInputHandler);\n                        that.popup.open();\n                        that._resizeFilterInput();\n                    } else {\n                        that._filterSource();\n                    }\n                } else if (that._allowOpening()) {\n                    that.popup.one('activate', that._focusInputHandler);\n                    that.popup.open();\n                    that._resizeFilterInput();\n                    that._focusItem();\n                }\n            },\n            _focusInput: function () {\n                this._focusElement(this.filterInput);\n            },\n            _resizeFilterInput: function () {\n                var filterInput = this.filterInput;\n                var originalPrevent = this._prevent;\n                if (!filterInput) {\n                    return;\n                }\n                var isInputActive = this.filterInput[0] === activeElement();\n                var caret = kendo.caret(this.filterInput[0])[0];\n                this._prevent = true;\n                filterInput.css('display', 'none').css('width', this.popup.element.css('width')).css('display', 'inline-block');\n                if (isInputActive) {\n                    filterInput.focus();\n                    kendo.caret(filterInput[0], caret);\n                }\n                this._prevent = originalPrevent;\n            },\n            _allowOpening: function () {\n                return this.hasOptionLabel() || this.filterInput || Select.fn._allowOpening.call(this);\n            },\n            toggle: function (toggle) {\n                this._toggle(toggle, true);\n            },\n            current: function (candidate) {\n                var current;\n                if (candidate === undefined) {\n                    current = this.listView.focus();\n                    if (!current && this.selectedIndex === 0 && this.hasOptionLabel()) {\n                        return this.optionLabel;\n                    }\n                    return current;\n                }\n                this._focus(candidate);\n            },\n            dataItem: function (index) {\n                var that = this;\n                var dataItem = null;\n                if (index === null) {\n                    return index;\n                }\n                if (index === undefined) {\n                    dataItem = that.listView.selectedDataItems()[0];\n                } else {\n                    if (typeof index !== 'number') {\n                        if (that.options.virtual) {\n                            return that.dataSource.getByUid($(index).data('uid'));\n                        }\n                        if (index.hasClass('k-list-optionlabel')) {\n                            index = -1;\n                        } else {\n                            index = $(that.items()).index(index);\n                        }\n                    } else if (that.hasOptionLabel()) {\n                        index -= 1;\n                    }\n                    dataItem = that.dataSource.flatView()[index];\n                }\n                if (!dataItem) {\n                    dataItem = that._optionLabelDataItem();\n                }\n                return dataItem;\n            },\n            refresh: function () {\n                this.listView.refresh();\n            },\n            text: function (text) {\n                var that = this;\n                var loweredText;\n                var ignoreCase = that.options.ignoreCase;\n                text = text === null ? '' : text;\n                if (text !== undefined) {\n                    if (typeof text !== 'string') {\n                        that._textAccessor(text);\n                        return;\n                    }\n                    loweredText = ignoreCase ? text.toLowerCase() : text;\n                    that._select(function (data) {\n                        data = that._text(data);\n                        if (ignoreCase) {\n                            data = (data + '').toLowerCase();\n                        }\n                        return data === loweredText;\n                    }).done(function () {\n                        that._textAccessor(that.dataItem() || text);\n                    });\n                } else {\n                    return that._textAccessor();\n                }\n            },\n            _clearFilter: function () {\n                $(this.filterInput).val('');\n                Select.fn._clearFilter.call(this);\n            },\n            value: function (value) {\n                var that = this;\n                var listView = that.listView;\n                var dataSource = that.dataSource;\n                if (value === undefined) {\n                    value = that._accessor() || that.listView.value()[0];\n                    return value === undefined || value === null ? '' : value;\n                }\n                that.requireValueMapper(that.options, value);\n                if (value || !that.hasOptionLabel()) {\n                    that._initialIndex = null;\n                }\n                this.trigger('set', { value: value });\n                if (that._request && that.options.cascadeFrom && that.listView.bound()) {\n                    if (that._valueSetter) {\n                        dataSource.unbind(CHANGE, that._valueSetter);\n                    }\n                    that._valueSetter = proxy(function () {\n                        that.value(value);\n                    }, that);\n                    dataSource.one(CHANGE, that._valueSetter);\n                    return;\n                }\n                if (that._isFilterEnabled() && listView.bound() && listView.isFiltered()) {\n                    that._clearFilter();\n                } else {\n                    that._fetchData();\n                }\n                listView.value(value).done(function () {\n                    if (that.selectedIndex === -1 && that.text()) {\n                        that.text('');\n                        that._accessor('', -1);\n                    }\n                    that._old = that._accessor();\n                    that._oldIndex = that.selectedIndex;\n                });\n            },\n            hasOptionLabel: function () {\n                return this.optionLabel && !!this.optionLabel[0];\n            },\n            _optionLabel: function () {\n                var that = this;\n                var options = that.options;\n                var optionLabel = options.optionLabel;\n                var template = options.optionLabelTemplate;\n                if (!optionLabel) {\n                    that.optionLabel.off().remove();\n                    that.optionLabel = $();\n                    return;\n                }\n                if (!template) {\n                    template = '#:';\n                    if (typeof optionLabel === 'string') {\n                        template += 'data';\n                    } else {\n                        template += kendo.expr(options.dataTextField, 'data');\n                    }\n                    template += '#';\n                }\n                if (typeof template !== 'function') {\n                    template = kendo.template(template);\n                }\n                that.optionLabelTemplate = template;\n                if (!that.hasOptionLabel()) {\n                    that.optionLabel = $('<div class=\"k-list-optionlabel\"></div>').prependTo(that.list);\n                }\n                that.optionLabel.html(template(optionLabel)).off().click(proxy(that._click, that)).on(HOVEREVENTS, that._toggleHover);\n                that.angular('compile', function () {\n                    return {\n                        elements: that.optionLabel,\n                        data: [{ dataItem: that._optionLabelDataItem() }]\n                    };\n                });\n            },\n            _optionLabelText: function () {\n                var optionLabel = this.options.optionLabel;\n                return typeof optionLabel === 'string' ? optionLabel : this._text(optionLabel);\n            },\n            _optionLabelDataItem: function () {\n                var that = this;\n                var optionLabel = that.options.optionLabel;\n                if (that.hasOptionLabel()) {\n                    return $.isPlainObject(optionLabel) ? new ObservableObject(optionLabel) : that._assignInstance(that._optionLabelText(), '');\n                }\n                return null;\n            },\n            _buildOptions: function (data) {\n                var that = this;\n                if (!that._isSelect) {\n                    return;\n                }\n                var value = that.listView.value()[0];\n                var optionLabel = that._optionLabelDataItem();\n                var optionLabelValue = optionLabel && that._value(optionLabel);\n                if (value === undefined || value === null) {\n                    value = '';\n                }\n                if (optionLabel) {\n                    if (optionLabelValue === undefined || optionLabelValue === null) {\n                        optionLabelValue = '';\n                    }\n                    optionLabel = '<option value=\"' + optionLabelValue + '\">' + that._text(optionLabel) + '</option>';\n                }\n                that._options(data, optionLabel, value);\n                if (value !== List.unifyType(that._accessor(), typeof value)) {\n                    that._customOption = null;\n                    that._custom(value);\n                }\n            },\n            _listBound: function () {\n                var that = this;\n                var initialIndex = that._initialIndex;\n                var filtered = that._state === STATE_FILTER;\n                var data = that.dataSource.flatView();\n                var dataItem;\n                that._presetValue = false;\n                that._renderFooter();\n                that._renderNoData();\n                that._toggleNoData(!data.length);\n                that._resizePopup(true);\n                that.popup.position();\n                that._buildOptions(data);\n                that._makeUnselectable();\n                if (!filtered) {\n                    if (that._open) {\n                        that.toggle(that._allowOpening());\n                    }\n                    that._open = false;\n                    if (!that._fetch) {\n                        if (data.length) {\n                            if (!that.listView.value().length && initialIndex > -1 && initialIndex !== null) {\n                                that.select(initialIndex);\n                            }\n                            that._initialIndex = null;\n                            dataItem = that.listView.selectedDataItems()[0];\n                            if (dataItem && that.text() !== that._text(dataItem)) {\n                                that._selectValue(dataItem);\n                            }\n                        } else if (that._textAccessor() !== that._optionLabelText()) {\n                            that.listView.value('');\n                            that._selectValue(null);\n                            that._oldIndex = that.selectedIndex;\n                        }\n                    }\n                }\n                that._hideBusy();\n                that.trigger('dataBound');\n            },\n            _listChange: function () {\n                this._selectValue(this.listView.selectedDataItems()[0]);\n                if (this._presetValue || this._old && this._oldIndex === -1) {\n                    this._oldIndex = this.selectedIndex;\n                }\n            },\n            _filterPaste: function () {\n                this._search();\n            },\n            _focusHandler: function () {\n                this.wrapper.focus();\n            },\n            _focusinHandler: function () {\n                this._inputWrapper.addClass(FOCUSED);\n                this._prevent = false;\n            },\n            _focusoutHandler: function () {\n                var that = this;\n                var filtered = that._state === STATE_FILTER;\n                var isIFrame = window.self !== window.top;\n                var focusedItem = that._focus();\n                var dataItem = that._getElementDataItem(focusedItem);\n                var shouldTrigger;\n                if (!that._prevent) {\n                    clearTimeout(that._typingTimeout);\n                    var done = function () {\n                        if (support.mobileOS.ios && isIFrame) {\n                            that._change();\n                        } else {\n                            that._blur();\n                        }\n                        that._inputWrapper.removeClass(FOCUSED);\n                        that._prevent = true;\n                        that._open = false;\n                        that.element.blur();\n                    };\n                    shouldTrigger = !filtered && focusedItem && that._value(dataItem) !== that.value();\n                    if (shouldTrigger && !that.trigger('select', {\n                            dataItem: dataItem,\n                            item: focusedItem\n                        })) {\n                        that._select(focusedItem, !that.dataSource.view().length).done(done);\n                    } else {\n                        done();\n                    }\n                }\n            },\n            _wrapperMousedown: function () {\n                this._prevent = !!this.filterInput;\n            },\n            _wrapperClick: function (e) {\n                e.preventDefault();\n                this.popup.unbind('activate', this._focusInputHandler);\n                this._focused = this.wrapper;\n                this._toggle();\n            },\n            _editable: function (options) {\n                var that = this;\n                var element = that.element;\n                var disable = options.disable;\n                var readonly = options.readonly;\n                var wrapper = that.wrapper.add(that.filterInput).off(ns);\n                var dropDownWrapper = that._inputWrapper.off(HOVEREVENTS);\n                if (!readonly && !disable) {\n                    element.removeAttr(DISABLED).removeAttr(READONLY);\n                    dropDownWrapper.addClass(DEFAULT).removeClass(STATEDISABLED).on(HOVEREVENTS, that._toggleHover);\n                    wrapper.attr(TABINDEX, wrapper.data(TABINDEX)).attr(ARIA_DISABLED, false).on('keydown' + ns, proxy(that._keydown, that)).on('focusin' + ns, proxy(that._focusinHandler, that)).on('focusout' + ns, proxy(that._focusoutHandler, that)).on('mousedown' + ns, proxy(that._wrapperMousedown, that)).on('paste' + ns, proxy(that._filterPaste, that));\n                    that.wrapper.on('click' + ns, proxy(that._wrapperClick, that));\n                    if (!that.filterInput) {\n                        wrapper.on('keypress' + ns, proxy(that._keypress, that));\n                    }\n                } else if (disable) {\n                    wrapper.removeAttr(TABINDEX);\n                    dropDownWrapper.addClass(STATEDISABLED).removeClass(DEFAULT);\n                } else {\n                    dropDownWrapper.addClass(DEFAULT).removeClass(STATEDISABLED);\n                    wrapper.on('focusin' + ns, proxy(that._focusinHandler, that)).on('focusout' + ns, proxy(that._focusoutHandler, that));\n                }\n                element.attr(DISABLED, disable).attr(READONLY, readonly);\n                wrapper.attr(ARIA_DISABLED, disable);\n            },\n            _keydown: function (e) {\n                var that = this;\n                var key = e.keyCode;\n                var altKey = e.altKey;\n                var isInputActive;\n                var handled;\n                var isPopupVisible = that.popup.visible();\n                if (that.filterInput) {\n                    isInputActive = that.filterInput[0] === activeElement();\n                }\n                if (key === keys.LEFT) {\n                    key = keys.UP;\n                    handled = true;\n                } else if (key === keys.RIGHT) {\n                    key = keys.DOWN;\n                    handled = true;\n                }\n                if (handled && isInputActive) {\n                    return;\n                }\n                e.keyCode = key;\n                if (altKey && key === keys.UP || key === keys.ESC) {\n                    that._focusElement(that.wrapper);\n                }\n                if (that._state === STATE_FILTER && key === keys.ESC) {\n                    that._clearFilter();\n                }\n                if (key === keys.ENTER && that._typingTimeout && that.filterInput && isPopupVisible) {\n                    e.preventDefault();\n                    return;\n                }\n                handled = that._move(e);\n                if (handled) {\n                    return;\n                }\n                if (!isPopupVisible || !that.filterInput) {\n                    var current = that._focus();\n                    if (key === keys.HOME) {\n                        handled = true;\n                        that._firstItem();\n                    } else if (key === keys.END) {\n                        handled = true;\n                        that._lastItem();\n                    }\n                    if (handled) {\n                        if (that.trigger('select', {\n                                dataItem: that._getElementDataItem(that._focus()),\n                                item: that._focus()\n                            })) {\n                            that._focus(current);\n                            return;\n                        }\n                        that._select(that._focus(), true).done(function () {\n                            if (!isPopupVisible) {\n                                that._blur();\n                            }\n                        });\n                    }\n                }\n                if (!altKey && !handled && that.filterInput) {\n                    that._search();\n                }\n            },\n            _matchText: function (text, word) {\n                var ignoreCase = this.options.ignoreCase;\n                if (text === undefined || text === null) {\n                    return false;\n                }\n                text = text + '';\n                if (ignoreCase) {\n                    text = text.toLowerCase();\n                }\n                return text.indexOf(word) === 0;\n            },\n            _shuffleData: function (data, splitIndex) {\n                var optionDataItem = this._optionLabelDataItem();\n                if (optionDataItem) {\n                    data = [optionDataItem].concat(data);\n                }\n                return data.slice(splitIndex).concat(data.slice(0, splitIndex));\n            },\n            _selectNext: function () {\n                var that = this;\n                var data = that.dataSource.flatView();\n                var dataLength = data.length + (that.hasOptionLabel() ? 1 : 0);\n                var isInLoop = sameCharsOnly(that._word, that._last);\n                var startIndex = that.selectedIndex;\n                var oldFocusedItem;\n                var text;\n                if (startIndex === -1) {\n                    startIndex = 0;\n                } else {\n                    startIndex += isInLoop ? 1 : 0;\n                    startIndex = normalizeIndex(startIndex, dataLength);\n                }\n                data = data.toJSON ? data.toJSON() : data.slice();\n                data = that._shuffleData(data, startIndex);\n                for (var idx = 0; idx < dataLength; idx++) {\n                    text = that._text(data[idx]);\n                    if (isInLoop && that._matchText(text, that._last)) {\n                        break;\n                    } else if (that._matchText(text, that._word)) {\n                        break;\n                    }\n                }\n                if (idx !== dataLength) {\n                    oldFocusedItem = that._focus();\n                    that._select(normalizeIndex(startIndex + idx, dataLength)).done(function () {\n                        var done = function () {\n                            if (!that.popup.visible()) {\n                                that._change();\n                            }\n                        };\n                        if (that.trigger('select', {\n                                dataItem: that._getElementDataItem(that._focus()),\n                                item: that._focus()\n                            })) {\n                            that._select(oldFocusedItem).done(done);\n                        } else {\n                            done();\n                        }\n                    });\n                }\n            },\n            _keypress: function (e) {\n                var that = this;\n                if (e.which === 0 || e.keyCode === kendo.keys.ENTER) {\n                    return;\n                }\n                var character = String.fromCharCode(e.charCode || e.keyCode);\n                if (that.options.ignoreCase) {\n                    character = character.toLowerCase();\n                }\n                if (character === ' ') {\n                    e.preventDefault();\n                }\n                that._word += character;\n                that._last = character;\n                that._search();\n            },\n            _popupOpen: function () {\n                var popup = this.popup;\n                popup.wrapper = kendo.wrap(popup.element);\n                if (popup.element.closest('.km-root')[0]) {\n                    popup.wrapper.addClass('km-popup km-widget');\n                    this.wrapper.addClass('km-widget');\n                }\n            },\n            _popup: function () {\n                Select.fn._popup.call(this);\n                this.popup.one('open', proxy(this._popupOpen, this));\n            },\n            _getElementDataItem: function (element) {\n                if (!element || !element[0]) {\n                    return null;\n                }\n                if (element[0] === this.optionLabel[0]) {\n                    return this._optionLabelDataItem();\n                }\n                return this.listView.dataItemByIndex(this.listView.getElementIndex(element));\n            },\n            _click: function (e) {\n                var that = this;\n                var item = e.item || $(e.currentTarget);\n                e.preventDefault();\n                if (that.trigger('select', {\n                        dataItem: that._getElementDataItem(item),\n                        item: item\n                    })) {\n                    that.close();\n                    return;\n                }\n                that._userTriggered = true;\n                that._select(item).done(function () {\n                    that._focusElement(that.wrapper);\n                    that._blur();\n                });\n            },\n            _focusElement: function (element) {\n                var active = activeElement();\n                var wrapper = this.wrapper;\n                var filterInput = this.filterInput;\n                var compareElement = element === filterInput ? wrapper : filterInput;\n                var touchEnabled = support.mobileOS && (support.touch || support.MSPointers || support.pointers);\n                if (filterInput && filterInput[0] === element[0] && touchEnabled) {\n                    return;\n                }\n                if (filterInput && compareElement[0] === active) {\n                    this._prevent = true;\n                    this._focused = element.focus();\n                }\n            },\n            _searchByWord: function (word) {\n                if (!word) {\n                    return;\n                }\n                var that = this;\n                var ignoreCase = that.options.ignoreCase;\n                if (ignoreCase) {\n                    word = word.toLowerCase();\n                }\n                that._select(function (dataItem) {\n                    return that._matchText(that._text(dataItem), word);\n                });\n            },\n            _inputValue: function () {\n                return this.text();\n            },\n            _search: function () {\n                var that = this;\n                var dataSource = that.dataSource;\n                clearTimeout(that._typingTimeout);\n                if (that._isFilterEnabled()) {\n                    that._typingTimeout = setTimeout(function () {\n                        var value = that.filterInput.val();\n                        if (that._prev !== value) {\n                            that._prev = value;\n                            that.search(value);\n                            that._resizeFilterInput();\n                        }\n                        that._typingTimeout = null;\n                    }, that.options.delay);\n                } else {\n                    that._typingTimeout = setTimeout(function () {\n                        that._word = '';\n                    }, that.options.delay);\n                    if (!that.listView.bound()) {\n                        dataSource.fetch().done(function () {\n                            that._selectNext();\n                        });\n                        return;\n                    }\n                    that._selectNext();\n                }\n            },\n            _get: function (candidate) {\n                var data, found, idx;\n                var isFunction = typeof candidate === 'function';\n                var jQueryCandidate = !isFunction ? $(candidate) : $();\n                if (this.hasOptionLabel()) {\n                    if (typeof candidate === 'number') {\n                        if (candidate > -1) {\n                            candidate -= 1;\n                        }\n                    } else if (jQueryCandidate.hasClass('k-list-optionlabel')) {\n                        candidate = -1;\n                    }\n                }\n                if (isFunction) {\n                    data = this.dataSource.flatView();\n                    for (idx = 0; idx < data.length; idx++) {\n                        if (candidate(data[idx])) {\n                            candidate = idx;\n                            found = true;\n                            break;\n                        }\n                    }\n                    if (!found) {\n                        candidate = -1;\n                    }\n                }\n                return candidate;\n            },\n            _firstItem: function () {\n                if (this.hasOptionLabel()) {\n                    this._focus(this.optionLabel);\n                } else {\n                    this.listView.focusFirst();\n                }\n            },\n            _lastItem: function () {\n                this._resetOptionLabel();\n                this.listView.focusLast();\n            },\n            _nextItem: function () {\n                if (this.optionLabel.hasClass('k-state-focused')) {\n                    this._resetOptionLabel();\n                    this.listView.focusFirst();\n                } else {\n                    this.listView.focusNext();\n                }\n            },\n            _prevItem: function () {\n                if (this.optionLabel.hasClass('k-state-focused')) {\n                    return;\n                }\n                this.listView.focusPrev();\n                if (!this.listView.focus()) {\n                    this._focus(this.optionLabel);\n                }\n            },\n            _focusItem: function () {\n                var listView = this.listView;\n                var focusedItem = listView.focus();\n                var index = listView.select();\n                index = index[index.length - 1];\n                if (index === undefined && this.options.highlightFirst && !focusedItem) {\n                    index = 0;\n                }\n                if (index !== undefined) {\n                    listView.focus(index);\n                } else {\n                    if (this.options.optionLabel) {\n                        this._focus(this.optionLabel);\n                        this._select(this.optionLabel);\n                    } else {\n                        listView.scrollToIndex(0);\n                    }\n                }\n            },\n            _resetOptionLabel: function (additionalClass) {\n                this.optionLabel.removeClass('k-state-focused' + (additionalClass || '')).removeAttr('id');\n            },\n            _focus: function (candidate) {\n                var listView = this.listView;\n                var optionLabel = this.optionLabel;\n                if (candidate === undefined) {\n                    candidate = listView.focus();\n                    if (!candidate && optionLabel.hasClass('k-state-focused')) {\n                        candidate = optionLabel;\n                    }\n                    return candidate;\n                }\n                this._resetOptionLabel();\n                candidate = this._get(candidate);\n                listView.focus(candidate);\n                if (candidate === -1) {\n                    optionLabel.addClass('k-state-focused').attr('id', listView._optionID);\n                    this._focused.add(this.filterInput).removeAttr('aria-activedescendant').attr('aria-activedescendant', listView._optionID);\n                }\n            },\n            _select: function (candidate, keepState) {\n                var that = this;\n                candidate = that._get(candidate);\n                return that.listView.select(candidate).done(function () {\n                    if (!keepState && that._state === STATE_FILTER) {\n                        that._state = STATE_ACCEPT;\n                    }\n                    if (candidate === -1) {\n                        that._selectValue(null);\n                    }\n                });\n            },\n            _selectValue: function (dataItem) {\n                var that = this;\n                var optionLabel = that.options.optionLabel;\n                var idx = that.listView.select();\n                var value = '';\n                var text = '';\n                idx = idx[idx.length - 1];\n                if (idx === undefined) {\n                    idx = -1;\n                }\n                this._resetOptionLabel(' k-state-selected');\n                if (dataItem) {\n                    text = dataItem;\n                    value = that._dataValue(dataItem);\n                    if (optionLabel) {\n                        idx += 1;\n                    }\n                } else if (optionLabel) {\n                    that._focus(that.optionLabel.addClass('k-state-selected'));\n                    text = that._optionLabelText();\n                    if (typeof optionLabel === 'string') {\n                        value = '';\n                    } else {\n                        value = that._value(optionLabel);\n                    }\n                    idx = 0;\n                }\n                that.selectedIndex = idx;\n                if (value === null) {\n                    value = '';\n                }\n                that._textAccessor(text);\n                that._accessor(value, idx);\n                that._triggerCascade();\n            },\n            _mobile: function () {\n                var that = this, popup = that.popup, mobileOS = support.mobileOS, root = popup.element.parents('.km-root').eq(0);\n                if (root.length && mobileOS) {\n                    popup.options.animation.open.effects = mobileOS.android || mobileOS.meego ? 'fadeIn' : mobileOS.ios || mobileOS.wp ? 'slideIn:up' : popup.options.animation.open.effects;\n                }\n            },\n            _filterHeader: function () {\n                var icon;\n                if (this.filterInput) {\n                    this.filterInput.off(ns).parent().remove();\n                    this.filterInput = null;\n                }\n                if (this._isFilterEnabled()) {\n                    icon = '<span class=\"k-icon k-i-search\"></span>';\n                    this.filterInput = $('<input class=\"k-textbox\"/>').attr({\n                        placeholder: this.element.attr('placeholder'),\n                        title: this.element.attr('title'),\n                        role: 'listbox',\n                        'aria-haspopup': true,\n                        'aria-expanded': false\n                    });\n                    this.list.prepend($('<span class=\"k-list-filter\" />').append(this.filterInput.add(icon)));\n                }\n            },\n            _span: function () {\n                var that = this, wrapper = that.wrapper, SELECTOR = 'span.k-input', span;\n                span = wrapper.find(SELECTOR);\n                if (!span[0]) {\n                    wrapper.append('<span unselectable=\"on\" class=\"k-dropdown-wrap k-state-default\"><span unselectable=\"on\" class=\"k-input\">&nbsp;</span><span unselectable=\"on\" class=\"k-select\" aria-label=\"select\"><span class=\"k-icon k-i-arrow-s\"></span></span></span>').append(that.element);\n                    span = wrapper.find(SELECTOR);\n                }\n                that.span = span;\n                that._inputWrapper = $(wrapper[0].firstChild);\n                that._arrow = wrapper.find('.k-icon');\n            },\n            _wrapper: function () {\n                var that = this, element = that.element, DOMelement = element[0], wrapper;\n                wrapper = element.parent();\n                if (!wrapper.is('span.k-widget')) {\n                    wrapper = element.wrap('<span />').parent();\n                    wrapper[0].style.cssText = DOMelement.style.cssText;\n                    wrapper[0].title = DOMelement.title;\n                }\n                that._focused = that.wrapper = wrapper.addClass('k-widget k-dropdown k-header').addClass(DOMelement.className).css('display', '').attr({\n                    accesskey: element.attr('accesskey'),\n                    unselectable: 'on',\n                    role: 'listbox',\n                    'aria-haspopup': true,\n                    'aria-expanded': false\n                });\n                element.hide().removeAttr('accesskey');\n            },\n            _clearSelection: function (parent) {\n                this.select(parent.value() ? 0 : -1);\n            },\n            _inputTemplate: function () {\n                var that = this, template = that.options.valueTemplate;\n                if (!template) {\n                    template = $.proxy(kendo.template('#:this._text(data)#', { useWithBlock: false }), that);\n                } else {\n                    template = kendo.template(template);\n                }\n                that.valueTemplate = template;\n                if (that.hasOptionLabel() && !that.options.optionLabelTemplate) {\n                    try {\n                        that.valueTemplate(that._optionLabelDataItem());\n                    } catch (e) {\n                        throw new Error(MSG_INVALID_OPTION_LABEL);\n                    }\n                }\n            },\n            _textAccessor: function (text) {\n                var dataItem = null;\n                var template = this.valueTemplate;\n                var optionLabelText = this._optionLabelText();\n                var span = this.span;\n                if (text === undefined) {\n                    return span.text();\n                }\n                if ($.isPlainObject(text) || text instanceof ObservableObject) {\n                    dataItem = text;\n                } else if (optionLabelText && optionLabelText === text) {\n                    dataItem = this.options.optionLabel;\n                }\n                if (!dataItem) {\n                    dataItem = this._assignInstance(text, this._accessor());\n                }\n                if (this.hasOptionLabel()) {\n                    if (dataItem === optionLabelText || this._text(dataItem) === optionLabelText) {\n                        template = this.optionLabelTemplate;\n                        if (typeof this.options.optionLabel === 'string' && !this.options.optionLabelTemplate) {\n                            dataItem = optionLabelText;\n                        }\n                    }\n                }\n                var getElements = function () {\n                    return {\n                        elements: span.get(),\n                        data: [{ dataItem: dataItem }]\n                    };\n                };\n                this.angular('cleanup', getElements);\n                try {\n                    span.html(template(dataItem));\n                } catch (e) {\n                    span.html('');\n                }\n                this.angular('compile', getElements);\n            },\n            _preselect: function (value, text) {\n                if (!value && !text) {\n                    text = this._optionLabelText();\n                }\n                this._accessor(value);\n                this._textAccessor(text);\n                this._old = this._accessor();\n                this._oldIndex = this.selectedIndex;\n                this.listView.setValue(value);\n                this._initialIndex = null;\n                this._presetValue = true;\n            },\n            _assignInstance: function (text, value) {\n                var dataTextField = this.options.dataTextField;\n                var dataItem = {};\n                if (dataTextField) {\n                    assign(dataItem, dataTextField.split('.'), text);\n                    assign(dataItem, this.options.dataValueField.split('.'), value);\n                    dataItem = new ObservableObject(dataItem);\n                } else {\n                    dataItem = text;\n                }\n                return dataItem;\n            }\n        });\n        function assign(instance, fields, value) {\n            var idx = 0, lastIndex = fields.length - 1, field;\n            for (; idx < lastIndex; ++idx) {\n                field = fields[idx];\n                if (!(field in instance)) {\n                    instance[field] = {};\n                }\n                instance = instance[field];\n            }\n            instance[fields[lastIndex]] = value;\n        }\n        function normalizeIndex(index, length) {\n            if (index >= length) {\n                index -= length;\n            }\n            return index;\n        }\n        function sameCharsOnly(word, character) {\n            for (var idx = 0; idx < word.length; idx++) {\n                if (word.charAt(idx) !== character) {\n                    return false;\n                }\n            }\n            return true;\n        }\n        ui.plugin(DropDownList);\n    }(window.kendo.jQuery));\n    return window.kendo;\n}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {\n    (a3 || a2)();\n}));"],"sourceRoot":"/source/"}