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(factory) {\n    typeof define === 'function' && define.amd ? define(['kendo.core', 'kendo.draganddrop'], factory) :\n    factory();\n})((function () {\n    (function($, undefined$1) {\n\n        var kendo = window.kendo;\n        var Widget = kendo.ui.Widget;\n        var extend = $.extend;\n        var DOT = \".\";\n        var NS = \".kendoChat\";\n        var keys = kendo.keys;\n        var SEND_ICON = '<svg version=\"1.1\" ixmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" x=\"0px\" y=\"0px\" viewBox=\"0 0 16 16\" xml:space=\"preserve\"><path d=\"M0,14.3c-0.1,0.6,0.3,0.8,0.8,0.6l14.8-6.5c0.5-0.2,0.5-0.6,0-0.8L0.8,1.1C0.3,0.9-0.1,1.1,0,1.7l0.7,4.2C0.8,6.5,1.4,7,1.9,7.1l8.8,0.8c0.6,0.1,0.6,0.1,0,0.2L1.9,8.9C1.4,9,0.8,9.5,0.7,10.1L0,14.3z\"/></svg>';\n        var TOGGLE_ICON = '<svg version=\"1.1\" id=\"Layer_1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" x=\"0px\" y=\"0px\" viewBox=\"0 0 512 512\" style=\"enable-background:new 0 0 512 512;\" xml:space=\"preserve\"><g>   <path d=\"M128,240c0-26.4-21.6-48-48-48s-48,21.6-48,48s21.6,48,48,48S128,266.4,128,240z\"/>   <path d=\"M192,240c0,26.4,21.6,48,48,48c26.4,0,48-21.6,48-48s-21.6-48-48-48C213.6,192,192,213.6,192,240z\"/>   <path d=\"M352,240c0,26.4,21.6,48,48,48c26.4,0,48-21.6,48-48s-21.6-48-48-48C373.6,192,352,213.6,352,240z\"/></g></svg>';\n\n        var messageBoxStyles = {\n            input: \"k-input-inner\",\n            inputWrapper: \"k-textbox k-input k-input-lg k-input-solid\",\n            button: \"k-button\",\n            buttonFlat: \"k-button-lg k-button-flat k-button-flat-base\",\n            iconButton: \"k-icon-button\",\n            buttonIcon: \"k-button-icon\",\n            buttonSend: \"k-button-send\",\n            buttonToggle: \"k-button-toggle\",\n            iconAdd: \"k-icon k-i-add\",\n            hidden: \"k-hidden\",\n            inputSuffix: \"k-input-suffix\"\n        };\n\n        var ChatMessageBox = Widget.extend({\n            init: function(element, options) {\n                Widget.fn.init.call(this, element, options);\n\n                this._wrapper();\n\n                this._attachEvents();\n\n                this._typing = false;\n            },\n\n            events: [\n                \"focusToolbar\",\n                \"sendMessage\",\n                \"toggleToolbar\",\n                \"typingEnd\",\n                \"typingStart\"\n            ],\n\n            options: {\n                messages: {\n                    placeholder: \"Type a message...\",\n                    toggleButton: \"Toggle toolbar\",\n                    sendButton: \"Send message\"\n                }\n            },\n\n            destroy: function() {\n                Widget.fn.destroy.call(this);\n\n                if (this.input) {\n                    this.input.off(NS);\n                    this.input.remove();\n                    this.input = null;\n                }\n\n                this.element.off(NS);\n                this.element.empty();\n            },\n\n            _wrapper: function() {\n                var styles = ChatMessageBox.styles;\n                var options = this.options;\n                var messages = options.messages;\n                var inputId = \"inputId_\" + kendo.guid();\n\n                $(\"<label>\")\n                    .addClass(styles.hidden)\n                    .html(messages.placeholder)\n                    .attr(\"for\", inputId)\n                    .appendTo(this.element);\n\n                this.inputWrapper = this.element\n                    .addClass(styles.inputWrapper)\n                    .appendTo(this.element);\n\n                this.input = $(\"<input type='text'>\")\n                    .addClass(styles.input)\n                    .attr(\"id\", inputId)\n                    .attr(\"placeholder\", messages.placeholder)\n                    .appendTo(this.inputWrapper);\n\n                this.inputSuffix = $(\"<span></span>\")\n                    .addClass(styles.inputSuffix)\n                    .appendTo(this.inputWrapper);\n\n                if (options.toolbar && options.toolbar.toggleable && options.toolbar.buttons && options.toolbar.buttons.length) {\n                    $(\"<button>\")\n                        .addClass(styles.button)\n                        .addClass(styles.buttonFlat)\n                        .addClass(styles.iconButton)\n                        .addClass(styles.buttonToggle)\n                        .attr({\n                            type: \"button\",\n                            title: messages.toggleButton,\n                            \"aria-label\": messages.toggleButton,\n                            \"aria-controls\": options.toolbarId\n                        })\n                        .append($(TOGGLE_ICON))\n                        .appendTo(this.inputSuffix);\n                }\n\n                $(\"<button>\")\n                    .addClass(styles.button)\n                    .addClass(styles.buttonFlat)\n                    .addClass(styles.iconButton)\n                    .addClass(styles.buttonSend)\n                    .append($(SEND_ICON))\n                    .appendTo(this.inputSuffix)\n                    .attr(\"title\", messages.sendButton)\n                    .attr(\"aria-label\", messages.sendButton);\n            },\n\n            _attachEvents: function() {\n                var styles = ChatMessageBox.styles;\n\n                this.input\n                    .on(\"keydown\" + NS, this._keydown.bind(this))\n                    .on(\"input\" + NS, this._input.bind(this))\n                    .on(\"focusout\" + NS, this._inputFocusout.bind(this));\n\n                this.element\n                    .on(\"click\" + NS, DOT + styles.buttonSend, this._buttonClick.bind(this));\n\n                this.element\n                    .on(\"click\" + NS, DOT + styles.buttonToggle, this._toggleToolbar.bind(this));\n            },\n\n            _input: function() {\n                var currentValue = this.input.val();\n                var start = currentValue.length > 0;\n\n                this._triggerTyping(start);\n            },\n\n            _keydown: function(e) {\n                var key = e.keyCode;\n\n                switch (key) {\n                    case keys.ENTER:\n                        e.preventDefault();\n\n                        this._sendMessage();\n                        break;\n                    case keys.F10:\n                        e.preventDefault();\n\n                        this.trigger(\"focusToolbar\");\n                        break;\n                }\n            },\n\n            _buttonClick: function(e) {\n                e.preventDefault();\n\n                this._sendMessage();\n            },\n\n            _sendMessage: function() {\n                var value = this.input.val();\n\n                if (!value.length) {\n                    return;\n                }\n\n                this._triggerTyping(false);\n\n                var args = {\n                    text: value\n                };\n\n                this.trigger(\"sendMessage\", args);\n\n                this.input.val(\"\");\n            },\n\n            _inputFocusout: function() {\n                this._triggerTyping(false);\n            },\n\n            _triggerTyping: function(start) {\n                if (start) {\n                    if (!this._typing) {\n                        this.trigger(\"typingStart\", {});\n                        this._typing = true;\n                    }\n                } else {\n                    if (this._typing) {\n                        this.trigger(\"typingEnd\", {});\n                        this._typing = false;\n                    }\n                }\n            },\n\n            _toggleToolbar: function(ev) {\n                this.trigger(\"toggleToolbar\", { originalEvent: ev });\n            }\n        });\n\n        extend(true, ChatMessageBox, { styles: messageBoxStyles });\n        extend(kendo, {\n            chat: {\n                ChatMessageBox: ChatMessageBox\n            }\n        });\n    })(window.kendo.jQuery);\n\n    (function($, undefined$1) {\n\n        var kendo = window.kendo;\n        var Widget = kendo.ui.Widget;\n        var extend = $.extend;\n        var DOT = \".\";\n        var NS = \".kendoChat\";\n\n        var DATA_K_BUTTON_NAME = \"kButtonName\";\n        var SCROLL_LEFT_NAME = \"chatToolbarScrollLeft\";\n        var SCROLL_RIGHT_NAME = \"chatToolbarScrollRight\";\n        var VISIBLE = \":visible\";\n        var TABINDEX = \"tabindex\";\n\n        var DEFAULT_ANIMATION = {\n            effects: \"expand:vertical\",\n            duration: 200\n        };\n        var NO_ANIMATION = {\n            expand: {\n                show: true\n            },\n            collapse: {\n                hide: true\n            }\n        };\n\n        var toolbarStyles = {\n            button: \"k-button\",\n            buttonDefaults: \"k-button-md k-rounded-md k-button-solid k-button-solid-base\",\n            buttonList: \"k-button-list\",\n            scrollButton: \"k-scroll-button\",\n            scrollButtonLeft: \"k-scroll-button-left\",\n            scrollButtonRight: \"k-scroll-button-right\",\n            scrollButtonLeftIcon: \"k-icon k-i-arrow-chevron-left\",\n            scrollButtonRightIcon: \"k-icon k-i-arrow-chevron-right\",\n            iconButton: \"k-icon-button\"\n        };\n\n        var ChatToolBar = Widget.extend({\n            init: function(element, options) {\n                options = extend({}, options, { name: \"ChatToolbar\" });\n                var toolbarOptions = options.toolbar;\n                var buttonsDefined = toolbarOptions.buttons && toolbarOptions.buttons.length;\n\n                Widget.fn.init.call(this, element, options);\n\n                if (buttonsDefined) {\n                    this._createButtonList();\n                }\n\n                if (buttonsDefined && toolbarOptions.scrollable &&\n                        this.buttonsWidth() > this.element.width()) {\n                    this._initScrolling();\n                }\n\n                this._setupAnimation();\n\n                if (buttonsDefined && toolbarOptions.toggleable) {\n                    this.toggle(true);\n                }\n\n                this.element\n                    .on(\"click\" + NS, this._onClick.bind(this))\n                    .on(\"keydown\" + NS, this._onKeydown.bind(this));\n            },\n\n            events: [\n                \"click\"\n            ],\n\n            destroy: function() {\n                Widget.fn.destroy.call(this);\n\n                this.element.off(NS);\n                this.element.empty();\n            },\n\n            _createButtonList: function() {\n                var that = this;\n                var styles = ChatToolBar.styles;\n                var buttons = that.options.toolbar.buttons;\n                var buttonList = $(\"<div class='\" + styles.buttonList + \"'></div>\");\n\n                for (var i = 0; i < buttons.length; i++) {\n                    var button = that._createButton(buttons[i]);\n                    buttonList.append(button);\n                }\n\n                buttonList.appendTo(this.element);\n\n                this.buttonList = buttonList;\n                this.buttons().first().removeAttr(TABINDEX);\n            },\n\n            _createButton: function(btnOptions) {\n                var styles = ChatToolBar.styles;\n                var buttonElm = $(\"<button>\");\n                var attributes;\n\n                if (typeof btnOptions === \"string\") {\n                    btnOptions = {\n                        name: btnOptions\n                    };\n                }\n\n                attributes = $.extend({}, btnOptions.attr || {}, {\n                    title: btnOptions.text || btnOptions.name,\n                    \"aria-label\": btnOptions.text || btnOptions.name,\n                    type: \"button\",\n                    tabindex: -1\n                });\n\n                buttonElm\n                    .attr(attributes)\n                    .addClass(btnOptions.name)\n                    .data(DATA_K_BUTTON_NAME, btnOptions.name)\n                    .addClass(styles.button)\n                    .addClass(styles.buttonDefaults);\n\n                if (btnOptions.iconClass) {\n                    buttonElm.addClass(styles.iconButton);\n                    buttonElm.prepend(\"<span class='k-button-icon \" + btnOptions.iconClass + \"'></span>\");\n                }\n\n                return buttonElm;\n            },\n\n            _onClick: function(ev) {\n                var styles = ChatToolBar.styles;\n                var target = $(ev.target).closest(DOT + styles.button);\n\n                if (target.is(DOT + styles.scrollButton) && !this._scrolling) {\n                    this._scroll(target.data(DATA_K_BUTTON_NAME));\n                }\n\n                if (target.data(DATA_K_BUTTON_NAME)) {\n                    this.buttons().attr(TABINDEX, -1);\n                    target.removeAttr(TABINDEX);\n\n                    this.trigger(\"click\", {\n                        button: target[0],\n                        name: target.data(DATA_K_BUTTON_NAME),\n                        originalEvent: ev\n                    });\n                }\n            },\n\n            _onKeydown: function(e) {\n                var key = e.keyCode,\n                    keys = kendo.keys;\n\n                switch (key) {\n                    case keys.LEFT:\n                        this._focusButton(-1);\n                        break;\n                    case keys.RIGHT:\n                        this._focusButton(1);\n                        break;\n                }\n            },\n\n            _focusButton: function(dir) {\n                var buttons = this.buttons(),\n                    current = buttons.not(\"[tabindex=-1]\"),\n                    candidateIndex = current.index() + dir,\n                    candidate = buttons[candidateIndex];\n\n                if (candidate) {\n                    current.attr(TABINDEX, -1);\n                    candidate.removeAttribute(TABINDEX);\n                    candidate.focus();\n                }\n            },\n\n            _initScrolling: function() {\n                var styles = ChatToolBar.styles;\n\n                this.scrollButtonLeft = this._createButton({\n                    name: SCROLL_LEFT_NAME,\n                    iconClass: styles.scrollButtonLeftIcon,\n                    attr: {\n                        \"class\": styles.scrollButton + \" \" + styles.scrollButtonLeft\n                    }\n                });\n\n                this.scrollButtonRight = this._createButton({\n                    name: SCROLL_RIGHT_NAME,\n                    iconClass: styles.scrollButtonRightIcon,\n                    attr: {\n                        \"class\": styles.scrollButton + \" \" + styles.scrollButtonRight\n                    }\n                });\n\n                this.element.prepend(this.scrollButtonLeft);\n                this.element.append(this.scrollButtonRight);\n                this._refreshScrollButtons();\n\n                this.element.on(\"keydown\" + NS, this._refreshScrollButtons.bind(this));\n            },\n\n            _scroll: function(commandName) {\n                var that = this;\n                var buttonWidth = that.buttonWidth();\n                var maxScrollSize = this.maxScrollSize();\n                var scrollAmmount = commandName === SCROLL_LEFT_NAME ? buttonWidth * -1 : buttonWidth;\n                var currentScroll = this.currentScrollLeft();\n                var scrollValue = currentScroll + scrollAmmount;\n                scrollValue = Math.min(Math.max(scrollValue, 0), maxScrollSize);\n\n                if (commandName !== SCROLL_LEFT_NAME && commandName !== SCROLL_RIGHT_NAME) {\n                    return;\n                }\n\n                kendo.scrollLeft(that.buttonList, scrollValue);\n                that._refreshScrollButtons(scrollValue);\n            },\n\n            _refreshScrollButtons: function(value) {\n                var maxScrollSize = this.maxScrollSize();\n                var currentScrollLeft = value === undefined$1 || isNaN(parseInt(value, 10)) ? this.currentScrollLeft() : value;\n\n                if (!this.scrollButtonLeft && !this.scrollButtonRight) {\n                    return;\n                }\n\n                this.scrollButtonLeft.toggle(currentScrollLeft !== 0);\n                this.scrollButtonRight.toggle(currentScrollLeft !== maxScrollSize);\n            },\n\n            _setupAnimation: function() {\n                var animation = this.options.toolbar.animation;\n                var defaultExpandAnimation = extend({}, DEFAULT_ANIMATION);\n                var defaultCollapseAnimation = extend({\n                    reverse: true,\n                    hide: true\n                }, DEFAULT_ANIMATION);\n\n                if (animation === false) {\n                    animation = extend(true, {}, NO_ANIMATION);\n                } else {\n                    animation = extend(true, {\n                        expand: defaultExpandAnimation,\n                        collapse: defaultCollapseAnimation\n                    }, animation);\n                }\n\n                this.options.toolbar.animation = animation;\n            },\n\n            _animationComplete: function() {\n                this._refreshScrollButtons();\n            },\n\n            _animationCompleteExpand: function() {\n                this._animationComplete();\n                this.buttons().not(\"[tabindex=-1]\").trigger(\"focus\");\n            },\n\n            currentScrollLeft: function() {\n                return Math.round(kendo.scrollLeft(this.buttonList));\n            },\n\n            maxScrollSize: function() {\n                return Math.round(this.buttonList[0].scrollWidth - this.buttonList[0].clientWidth);\n            },\n\n            buttons: function() {\n                var styles = ChatToolBar.styles;\n                return this.buttonList ? this.buttonList.children(DOT + styles.button) : null;\n            },\n\n            buttonWidth: function() {\n                return Math.round(this.buttons().last().outerWidth(true));\n            },\n\n            buttonsWidth: function() {\n                var width = 0;\n\n                if (this.buttons()) {\n                    width = this.buttonWidth() * this.buttons().length;\n                }\n\n                return width;\n            },\n\n            toggle: function(skipAnimation) {\n                var animation = this.options.toolbar.animation;\n\n                if (skipAnimation) {\n                    animation = extend(true, {}, NO_ANIMATION);\n                }\n\n                animation.expand.complete = this._animationCompleteExpand.bind(this);\n                animation.collapse.complete = this._animationComplete.bind(this);\n\n                if (this.element.is(VISIBLE)) {\n                    this.element.kendoStop().kendoAnimate(animation.collapse);\n                } else {\n                    this.element.kendoStop().kendoAnimate(animation.expand);\n                }\n\n            },\n\n            focus: function() {\n                if (!this.element.is(VISIBLE)) {\n                    this.toggle();\n                } else {\n                    this.buttons().not(\"[tabindex=-1]\").trigger(\"focus\");\n                }\n            }\n        });\n\n        extend(true, ChatToolBar, { styles: toolbarStyles });\n        extend(kendo.chat, {\n            ChatToolBar: ChatToolBar\n        });\n    })(window.kendo.jQuery);\n\n    (function($, undefined$1) {\n\n        var kendo = window.kendo;\n        var Widget = kendo.ui.Widget;\n        var extend = $.extend;\n        var DOT = \".\";\n        var SPACE = \" \";\n        var NS = \".kendoChat\";\n\n        var MESSAGE_GROUP_TEMPLATE = kendo.template(\n            '<div #:text# class=\"#=styles.messageGroup# #= url ? \"\" : styles.noAvatar #\">' +\n                '<p class=\"#=styles.author#\">#:text#</p>' +\n                '# if (url) { #' +\n                    '<img src=\"#=url#\" alt=\"#:text#\" class=\"#=styles.avatar#\">' +\n                '# } #' +\n            '</div>');\n\n        var SELF_MESSAGE_GROUP_TEMPLATE = kendo.template(\n            '<div me class=\"#=styles.messageGroup# #=styles.self# #= url ? \"\" : styles.noAvatar #\">' +\n                '# if (url) { #' +\n                    '<img src=\"#=url#\" alt=\"#:text#\" class=\"#=styles.avatar#\">' +\n                '# } #' +\n            '</div>');\n\n        var TEXT_MESSAGE_TEMPLATE = kendo.template(\n            '<div class=\"#=styles.message#\">' +\n                '<time class=\"#=styles.messageTime#\">#= kendo.toString(kendo.parseDate(timestamp), \"HH:mm:ss\") #</time>' +\n                '<div class=\"#=styles.bubble#\">#:text#</div>' +\n            '</div>');\n\n        var TYPING_INDICATOR_TEMPLATE = kendo.template(\n            '<div class=\"#=styles.messageListContent# #=styles.typingIndicatorBubble#\">' +\n                '<p class=\"#=styles.author#\">#:text#</p>' +\n                '<div class=\"#=styles.message#\">' +\n                    '<div class=\"#=styles.bubble#\">' +\n                        '<div class=\"#=styles.typingIndicator#\">' +\n                            '<span></span><span></span><span></span>' +\n                        '</div>' +\n                    '</div>' +\n                '</div>' +\n            '</div>');\n\n        var SUGGESTED_ACTIONS_TEMPLATE = kendo.template(\n            '<div class=\"#=styles.suggestedActions#\">' +\n                '# for (var i = 0; i < suggestedActions.length; i++) { #' +\n                    '<span role=\"button\" tabindex=\"0\" class=\"#=styles.suggestedAction#\" data-value=\"#:suggestedActions[i].value#\">#:suggestedActions[i].title#</span>' +\n                '# } #' +\n            '</div>'\n            );\n\n        var HERO_CARD_TEMPLATE = kendo.template(\n            '<div class=\"#=styles.card# #=styles.cardRich#\">' +\n                '# if (typeof images !== \"undefined\" && images.length > 0) { #' +\n                    '<img src=\"#:images[0].url#\" alt=\"#:images[0].alt#\" class=\"#=styles.cardImage#\" />' +\n                '# } #' +\n                '<div class=\"#=styles.cardBody#\">' +\n                    '# if (typeof title !== \"undefined\") { #' +\n                        '<h5 class=\"#=styles.cardTitle#\">#:title#</h5>' +\n                    '# } #' +\n                    '# if (typeof subtitle !== \"undefined\") { #' +\n                        '<h6 class=\"#=styles.cardSubtitle#\">#:subtitle#</h6>' +\n                    '# } #' +\n                    '# if (typeof text !== \"undefined\") { #' +\n                        '<p>#:text#</p>' +\n                    '# } #' +\n                '</div>' +\n                '# if (typeof buttons !== \"undefined\" && buttons.length > 0) { #' +\n                    '<div class=\"#=styles.cardActions# #=styles.cardActionsVertical#\">' +\n                    '# for (var i = 0; i < buttons.length; i++) { #' +\n                        '<span class=\"#=styles.cardAction#\"><span class=\"#=styles.button# #=styles.buttonPrimary#\" data-value=\"#:buttons[i].value#\">#:buttons[i].title#</span></span>' +\n                    '# } #' +\n                    '</div>' +\n                '# } #' +\n            '</div>'\n            );\n\n        extend(kendo.chat, {\n            Templates: {},\n            Components: {}\n        });\n\n        kendo.chat.registerTemplate = function(templateName, template) {\n            kendo.chat.Templates[templateName] = kendo.template(template);\n        };\n\n        kendo.chat.getTemplate = function(templateName) {\n            return kendo.chat.Templates[templateName] || TEXT_MESSAGE_TEMPLATE;\n        };\n\n        kendo.chat.registerTemplate(\"text\", TEXT_MESSAGE_TEMPLATE);\n        kendo.chat.registerTemplate(\"message\", TEXT_MESSAGE_TEMPLATE);\n        kendo.chat.registerTemplate(\"typing\", TYPING_INDICATOR_TEMPLATE);\n        kendo.chat.registerTemplate(\"suggestedAction\", SUGGESTED_ACTIONS_TEMPLATE);\n        kendo.chat.registerTemplate(\"heroCard\", HERO_CARD_TEMPLATE);\n        kendo.chat.registerTemplate(\"application/vnd.microsoft.card.hero\", HERO_CARD_TEMPLATE);\n\n        kendo.chat.registerComponent = function(componentName, component) {\n            kendo.chat.Components[componentName] = component;\n        };\n\n        kendo.chat.getComponent = function(componentName) {\n            return kendo.chat.Components[componentName] || null;\n        };\n\n        var Component = kendo.chat.Component = kendo.Class.extend({\n            init: function(options, view) {\n                this.element = $('<div></div>');\n                this.options = options;\n                this.view = view;\n            },\n\n            destroy: function() {\n                kendo.destroy(this.element);\n            }\n        });\n\n        var Calendar = Component.extend({\n            init: function(options, view) {\n                Component.fn.init.call(this, options, view);\n\n                this.element.kendoCalendar({\n                    change: function() {\n                        view.trigger(\"suggestedAction\", { text: kendo.toString(this.value(), 'd'), type: \"message\" });\n                    }\n                });\n            },\n\n            destroy: function() {\n            }\n        });\n        kendo.chat.registerComponent(\"calendar\", Calendar);\n\n        var viewStyles = {\n            wrapper: \"k-widget k-chat\",\n            messageList: \"k-avatars\",\n            messageListContent: \"k-message-list-content\",\n            messageTime: \"k-message-time\",\n            messageGroup: \"k-message-group\",\n            message: \"k-message\",\n            only: \"k-only\",\n            first: \"k-first\",\n            middle: \"k-middle\",\n            last: \"k-last\",\n            author: \"k-author\",\n            avatar: \"k-avatar\",\n            noAvatar: \"k-no-avatar\",\n            self: \"k-alt\",\n            button: \"k-button\",\n            buttonDefaults: \"k-button-md k-rounded-md k-button-solid k-button-solid-base\",\n            iconButton: \"k-icon-button\",\n            buttonIcon: \"k-button-icon\",\n            buttonPrimary: \"k-button-md k-rounded-md k-button-flat k-button-flat-primary\",\n            scrollButtonIcon: \"k-icon\",\n            scrollButtonIconLeft: \"k-i-arrow-chevron-left\",\n            scrollButtonIconRight: \"k-i-arrow-chevron-right\",\n            typingIndicator: \"k-typing-indicator\",\n            typingIndicatorBubble: \"k-typing-indicator-bubble\",\n            bubble: \"k-bubble\",\n            suggestedActions: \"k-quick-replies\",\n            suggestedAction: \"k-quick-reply\",\n            cardWrapper: \"k-card-container\",\n            cardDeckScrollWrap: \"k-card-deck-scrollwrap\",\n            cardDeck: \"k-card-deck\",\n            cardList: \"k-card-list\",\n            card: \"k-card\",\n            cardRich: \"k-card-type-rich\",\n            cardBody: \"k-card-body\",\n            cardImage: \"k-card-image\",\n            cardTitle: \"k-card-title\",\n            cardSubtitle: \"k-card-subtitle\",\n            cardActions: \"k-card-actions\",\n            cardActionsVertical: \"k-card-actions-vertical\",\n            cardAction: \"k-card-action\",\n            selected: \"k-selected\"\n        };\n\n        var ChatView = kendo.chat.ChatView = Widget.extend({\n            init: function(element, options) {\n                Widget.fn.init.call(this, element, options);\n\n                this._list();\n\n                this._lastSender = null;\n\n                this.typingParticipants = [];\n\n                this._attachEvents();\n\n                this._scrollable();\n            },\n\n            events: [\n            ],\n\n            options: {\n                messages: {\n                    isTyping: \" is typing.\",\n                    areTyping: \" are typing.\",\n                    and: \" and \"\n                }\n            },\n\n            destroy: function() {\n                Widget.fn.destroy.call(this);\n\n                if (this._scrollDraggable) {\n                    this._scrollDraggable.destroy();\n                }\n\n                this.element.empty();\n                this.element.off(NS);\n\n                this.list = null;\n                this._lastSender = null;\n            },\n\n            _list: function() {\n                var viewStyles = ChatView.styles;\n\n                this.element\n                    .addClass(viewStyles.messageList)\n                    .attr(\"role\", \"log\")\n                    .attr(\"aria-label\", this.options.messages.messageListLabel);\n\n                this.list = $(\"<div>\")\n                    .addClass(viewStyles.messageListContent)\n                    .appendTo(this.element);\n            },\n\n            _attachEvents: function() {\n                var styles = ChatView.styles;\n\n                this.element\n                    .on(\"click\" + NS, this._listClick.bind(this))\n                    .on(\"click\" + NS, DOT + styles.message, this._messageClick.bind(this))\n                    .on(\"click\" + NS, DOT + styles.suggestedAction, this._suggestedActionClick.bind(this))\n                    .on(\"click\" + NS, DOT + styles.cardAction + SPACE + DOT + styles.button, this._cardActionClick.bind(this));\n\n                this.element.on(\"keydown\" + NS, DOT + styles.suggestedAction, this._suggestedActionKeydown.bind(this));\n            },\n\n            _scrollable: function() {\n                var viewStyles = ChatView.styles;\n\n                this.element\n                    .on(\"click\" + NS, DOT + viewStyles.cardDeckScrollWrap + SPACE + DOT + viewStyles.button, this._scrollButtonClick.bind(this));\n            },\n\n            _scrollButtonClick: function(e) {\n                var viewStyles = ChatView.styles;\n                var button = $(e.currentTarget);\n                var scrollToLeft = button.find(DOT + viewStyles.scrollButtonIconLeft).length !== 0;\n                var scrollContainer = button.siblings(DOT + viewStyles.cardDeck);\n                var lastCard = scrollContainer.find(DOT + viewStyles.card).last();\n                var cardWidth = lastCard.outerWidth(true);\n\n                if (scrollToLeft) {\n                    kendo.scrollLeft(scrollContainer, kendo.scrollLeft(scrollContainer) - cardWidth);\n                } else {\n                    kendo.scrollLeft(scrollContainer, kendo.scrollLeft(scrollContainer) + cardWidth);\n                }\n            },\n\n            getTemplate: function(templateName) {\n                return kendo.chat.getTemplate(templateName);\n            },\n\n            getComponent: function(type) {\n               return kendo.chat.getComponent(type);\n            },\n\n            renderMessage: function(message, sender) {\n                if (!message.timestamp) {\n                    message.timestamp = new Date();\n                }\n\n                if (!message.text) {\n                    message.text = \"\";\n                }\n\n                var bubbleElement = this._renderTemplate(message.type, message);\n\n                this._renderBubble(message.type, bubbleElement, sender);\n\n                if (message.type == \"typing\") {\n                    if (this.typingParticipants.length > 0) {\n                        this._removeTypingParticipant(sender);\n                    }\n                } else {\n                    this._lastSender = sender.id;\n                }\n            },\n\n            renderSuggestedActions: function(suggestedActions) {\n                this._removeSuggestedActions();\n\n                var element = this._renderTemplate(\"suggestedAction\", { suggestedActions: suggestedActions });\n\n                this.list.append(element);\n\n                this._scrollToBottom();\n            },\n\n            renderAttachments: function(options) {\n                var wrapper = this._renderAttachmentWrapper(options.attachmentLayout);\n                var cardContainer = options.attachmentLayout === \"carousel\" ? wrapper.find(DOT + ChatView.styles.cardDeck) : wrapper;\n                var attachments = options.attachments;\n\n                if (!attachments.length) {\n                    return;\n                }\n\n                for (var i = 0; i < attachments.length; i++) {\n                    var cardElement = this._renderTemplate(attachments[i].contentType, attachments[i].content);\n\n                    cardContainer.append(cardElement);\n                }\n\n                this._removeSuggestedActions();\n                this._removeTypingIndicator();\n\n                this.list.append(wrapper);\n\n                this._lastSender = null;\n            },\n\n            renderComponent: function(type) {\n                var componentType = this.getComponent(type);\n                var component = new componentType({}, this);\n\n                this.list.append(component.element);\n\n                this._scrollToBottom();\n            },\n\n            _renderAttachmentWrapper: function(layout) {\n                var viewStyles = ChatView.styles;\n                var wrapper = $(\"<div>\");\n\n                if (layout === \"carousel\") {\n                    wrapper.addClass(viewStyles.cardDeckScrollWrap);\n\n                    var buttonLeft = this._renderScrollButton(viewStyles.scrollButtonIconLeft);\n                    wrapper.append(buttonLeft);\n\n                    wrapper.append($(\"<div>\").addClass(viewStyles.cardDeck));\n\n                    var buttonRight = this._renderScrollButton(viewStyles.scrollButtonIconRight);\n                    wrapper.append(buttonRight);\n                } else {\n                    wrapper.addClass(viewStyles.cardList);\n                }\n\n                return wrapper;\n            },\n\n            _renderScrollButton: function(directionClass) {\n                var viewStyles = ChatView.styles;\n\n                return $(\"<button>\")\n                    .addClass(viewStyles.button)\n                    .addClass(viewStyles.buttonDefaults)\n                    .addClass(viewStyles.iconButton)\n                    .append($(\"<span>\")\n                        .addClass(viewStyles.buttonIcon)\n                        .addClass(viewStyles.scrollButtonIcon)\n                        .addClass(directionClass)\n                    );\n            },\n\n            _removeSuggestedActions: function() {\n                this.list.find(DOT + ChatView.styles.suggestedActions).remove();\n            },\n\n            _listClick: function(e) {\n                var styles = ChatView.styles;\n                var targetElement = $(e.target);\n\n                if (targetElement.hasClass(styles.message) || targetElement.parents(DOT + styles.message).length) {\n                    return;\n                }\n\n                this._clearSelection();\n            },\n\n            _messageClick: function(e) {\n                this._clearSelection();\n\n                $(e.currentTarget).addClass(ChatView.styles.selected);\n            },\n\n            _suggestedActionClick: function(e) {\n                var text = $(e.target).data(\"value\") || \"\";\n\n                this.trigger(\"actionClick\", { text: text });\n\n                this._removeSuggestedActions();\n            },\n\n            _suggestedActionKeydown: function(e) {\n                if (e.keyCode === kendo.keys.SPACEBAR || e.keyCode === kendo.keys.ENTER) {\n                    this._suggestedActionClick(e);\n                }\n            },\n\n            _cardActionClick: function(e) {\n                var text = $(e.target).data(\"value\") || \"\";\n\n                this.trigger(\"actionClick\", { text: text });\n            },\n\n            _renderBubble: function(messageType, bubbleElement, sender) {\n                this._removeSuggestedActions();\n                this._removeTypingIndicator();\n\n                var group = this._getMessageGroup(sender, messageType);\n\n                this._appendToGroup(group, bubbleElement, messageType);\n\n                this._scrollToBottom();\n            },\n\n            _renderTemplate: function(type, options) {\n                var componentType = this.getComponent(type);\n                var element;\n\n                if (componentType) {\n                    var component = new componentType(options, this);\n\n                    element = component.element;\n                } else {\n                    var template = this.getTemplate(type);\n                    var templateOptions = extend(true, {}, options, { styles: ChatView.styles });\n\n                    element = $(template(templateOptions));\n                }\n\n                return element;\n            },\n\n            _getMessageGroup: function(sender, messageType) {\n                var viewStyles = ChatView.styles;\n                var template = this._getMessageGroupTemplate(sender, messageType);\n                var appendTarget = messageType == \"typing\" ? this.element : this.list;\n                var group;\n\n                if (sender.id === this._lastSender && this._lastSender !== null && messageType !== \"typing\") {\n                    group = this.list.find(DOT + viewStyles.messageGroup).last();\n\n                    if (group.length) {\n                        return group;\n                    }\n                }\n\n                return $(template({ text: sender.name, url: sender.iconUrl, styles: viewStyles })).appendTo(appendTarget);\n            },\n\n            _getMessageGroupTemplate: function(sender, messageType) {\n                var isOwnMessage = sender.id === this.options.user.id;\n                var template = isOwnMessage ?\n                    SELF_MESSAGE_GROUP_TEMPLATE :\n                    MESSAGE_GROUP_TEMPLATE;\n\n                if (messageType == \"typing\") {\n                    template = TYPING_INDICATOR_TEMPLATE;\n                }\n\n                return template;\n            },\n\n            _appendToGroup: function(group, messageElement, messageType) {\n                var viewStyles = ChatView.styles;\n                var children = group.find(DOT + viewStyles.message);\n                var childrenCount = children.length;\n                var indicator = this.element.find(DOT + viewStyles.typingIndicator);\n\n                if (indicator.length && messageType == \"typing\") {\n                    return;\n                }\n\n                messageElement.addClass(childrenCount === 0 ? viewStyles.only : viewStyles.last);\n\n                children.filter(DOT + viewStyles.only)\n                    .removeClass(viewStyles.only)\n                    .addClass(viewStyles.first);\n\n                children.filter(DOT + viewStyles.last)\n                    .removeClass(viewStyles.last)\n                    .addClass(viewStyles.middle);\n\n                group.append(messageElement);\n            },\n\n            _renderTypingIndicator: function(sender) {\n                var indicator = this.element.find(DOT + viewStyles.typingIndicatorBubble),\n                    indicatorList,\n                    participants;\n\n                this._addTypingParticipant(sender);\n\n                if (indicator.length) {\n                    participants = this._composeTypingParticipantsText(this.typingParticipants);\n\n                    indicatorList = indicator.find(DOT + viewStyles.author).first();\n                    indicatorList.text(participants);\n\n                } else {\n                    $(TYPING_INDICATOR_TEMPLATE({\n                        text: sender.name + this.options.messages.isTyping,\n                        styles: viewStyles\n                    })).appendTo(this.element);\n                }\n\n                this._scrollToBottom();\n            },\n\n            _addTypingParticipant: function(sender) {\n                var found = false;\n                for (var i = 0; i < this.typingParticipants.length; i += 1) {\n                    if (this.typingParticipants[i].id == sender.id) {\n                        found = true;\n                        break;\n                    }\n                }\n                if (!found) {\n                    this.typingParticipants.push(sender);\n                }\n            },\n\n            _removeTypingParticipant: function(sender) {\n                var indicator = this.element.find(DOT + viewStyles.typingIndicatorBubble),\n                    indicatorList,\n                    participants;\n\n                if (indicator.length) {\n                    for (var i = 0; i < this.typingParticipants.length; i += 1) {\n                        if (this.typingParticipants[i].id == sender.id) {\n                            this.typingParticipants.splice(i, 1);\n                        }\n                    }\n\n                    participants = this._composeTypingParticipantsText(this.typingParticipants);\n\n                    if (participants === \"\") {\n                        indicator.remove();\n                    } else {\n                        indicatorList = indicator.find(DOT + viewStyles.author).first();\n                        indicatorList.text(participants);\n                    }\n                }\n            },\n\n            _composeTypingParticipantsText: function(participants) {\n                var messages = this.options.messages,\n                    typingAction = participants.length == 1 ? messages.isTyping : messages.areTyping,\n                    typingText = \"\";\n\n                if (participants.length === 0) {\n                    return typingText;\n                }\n\n                typingText = this.typingParticipants.map(function(author) {\n                    return author.name;\n                }).join(', ').replace(/,(?!.*,)/gmi, messages.and.trimRight()) + typingAction;\n\n                return typingText;\n            },\n\n            _removeTypingIndicator: function() {\n                var indicator = this.element.find(DOT + viewStyles.typingIndicatorBubble);\n\n                if (indicator.length) {\n                    this.typingParticipants = [];\n                    indicator.remove();\n                }\n            },\n\n            _clearSelection: function() {\n                var selectedClass = ChatView.styles.selected;\n\n                this.element.find(DOT + selectedClass).removeClass(selectedClass);\n            },\n\n            _scrollToBottom: function() {\n                this.element.scrollTop(this.element.prop(\"scrollHeight\"));\n            }\n        });\n\n        extend(true, ChatView, { styles: viewStyles });\n\n    })(window.kendo.jQuery);\n\n    var __meta__ = {\n        id: \"chat\",\n        name: \"Chat\",\n        category: \"web\",\n        description: \"The Chat component.\",\n        depends: [ \"core\", \"draganddrop\" ]\n    };\n\n    (function($, undefined$1) {\n\n        var kendo = window.kendo;\n        var Widget = kendo.ui.Widget;\n        var extend = $.extend;\n        var DOT = \".\";\n\n        var chatStyles = {\n            wrapper: \"k-widget k-chat\",\n            canvas: \"k-chat-canvas\",\n            viewWrapper: \"k-message-list\",\n            messageBoxWrapper: \"k-message-box\",\n            toolbarBoxWrapper: \"k-toolbar-box\"\n        };\n\n        var Chat = Widget.extend({\n            init: function(element, options, events) {\n                Widget.fn.init.call(this, element, options);\n\n                if (events) {\n                    this._events = events;\n                }\n\n                this._user();\n\n                this._wrapper();\n\n                this._view();\n\n                if (options && options.toolbar && options.toolbar.buttons) {\n                    this._toolbar();\n                }\n\n                this._messageBox();\n\n                kendo.notify(this);\n            },\n\n            events: [\n                \"typingStart\",\n                \"typingEnd\",\n                \"post\",\n                \"sendMessage\",\n                \"actionClick\",\n                \"toolClick\"\n            ],\n\n            options: {\n                user: {\n                    name: \"User\",\n                    iconUrl: \"\"\n                },\n                name: \"Chat\",\n                messages: {\n                    messageListLabel: \"Message list\",\n                    placeholder: \"Type a message...\",\n                    toggleButton: \"Toggle toolbar\",\n                    sendButton: \"Send message\"\n                },\n                toolbar: false\n            },\n\n            setOptions: function(options) {\n                this._setEvents(options);\n                $.extend(true, this.options, options);\n\n                if (this.toolbar && \"toolbar\" in options) {\n                    this.toolbar.destroy();\n                    this.toolbar = null;\n                }\n\n                if (this.messageBox) {\n                    this.messageBox.unbind();\n                    this.messageBox.destroy();\n                    this.messageBox = null;\n                }\n\n                this._messageBox();\n\n                if (\"toolbar\" in options) {\n                    this._resetToolbarButtons(options);\n                    this._toolbar();\n                }\n            },\n\n            _resetToolbarButtons: function(options) {\n                var toolbarBoxWrapper = this.wrapper.find(DOT + chatStyles.toolbarBoxWrapper);\n\n                if (!toolbarBoxWrapper.is(\":visible\")) {\n                    toolbarBoxWrapper.show();\n                }\n\n                if (options.toolbar && typeof options.toolbar == \"object\" && \"buttons\" in options.toolbar) {\n                    this.options.toolbar.buttons = options.toolbar.buttons;\n                }\n            },\n\n            destroy: function() {\n                if (this.view) {\n                    this.view.unbind();\n                    this.view.destroy();\n                    this.view = null;\n                }\n\n                if (this.messageBox) {\n                    this.messageBox.unbind();\n                    this.messageBox.destroy();\n                    this.messageBox = null;\n                }\n\n                if (this.toolbar) {\n                    this.toolbar.destroy();\n                    this.toolbar = null;\n                }\n\n                Widget.fn.destroy.call(this);\n            },\n\n            _user: function() {\n                this.options.user.id = kendo.guid();\n            },\n\n            getUser: function() {\n                return extend(true, {}, this.options.user);\n            },\n\n            _wrapper: function() {\n                var chatStyles = Chat.styles;\n                var options = this.options;\n                var height = options.height;\n                var width = options.width;\n                var uiElements = \"<div class='\" + chatStyles.viewWrapper + \"'></div>\" +\n                                 \"<span class='\" + chatStyles.messageBoxWrapper + \"'></span>\" +\n                                 \"<div class='\" + chatStyles.toolbarBoxWrapper + \"' role='toolbar' style='display:none;'></div>\";\n\n                this.wrapper = this.element\n                    .addClass(chatStyles.wrapper)\n                    .append(uiElements);\n\n                if (options.toolbar && options.toolbar.buttons && options.toolbar.buttons.length) {\n                    this.wrapper.find(DOT + chatStyles.toolbarBoxWrapper).show();\n                }\n\n                if (height) {\n                    this.wrapper.height(height);\n                }\n\n                if (width) {\n                    this.wrapper.css(\"max-width\", width);\n                }\n            },\n\n            _view: function() {\n                var that = this;\n                var chatStyles = Chat.styles;\n                var options = extend(true, {}, this.options);\n\n                var element = this.wrapper.find(DOT + chatStyles.viewWrapper + \"\");\n\n                this.view = new kendo.chat.ChatView(element, options);\n\n                this.view\n                    .bind(\"actionClick\", function(args) {\n                        that.trigger(\"actionClick\", args);\n\n                        that.postMessage(args.text);\n                    });\n            },\n\n            _messageBox: function() {\n                var that = this;\n                var chatStyles = Chat.styles;\n                var options = extend(true, {}, this.options);\n                var element = this.wrapper.find(DOT + chatStyles.messageBoxWrapper + \"\");\n\n                this.messageBox = new kendo.chat.ChatMessageBox(element, options);\n\n                this.messageBox\n                    .bind(\"typingStart\", function(args) {\n                        that.trigger(\"typingStart\", args);\n                    })\n                    .bind(\"typingEnd\", function(args) {\n                        that.trigger(\"typingEnd\", args);\n                    })\n                    .bind(\"sendMessage\", function(args) {\n                        that.trigger(\"sendMessage\", args);\n\n                        that.postMessage(args.text);\n                    })\n                    .bind(\"toggleToolbar\", function() {\n                        that.toggleToolbar();\n                    })\n                    .bind(\"focusToolbar\", function() {\n                        if (that.toolbar) {\n                            that.toolbar.focus();\n                        }\n                    });\n            },\n\n            _toolbar: function() {\n                var that = this;\n                var chatStyles = Chat.styles;\n                var options = extend(true, {}, that.options);\n                var element = that.wrapper.find(DOT + chatStyles.toolbarBoxWrapper + \"\");\n\n                that.options.toolbarId = kendo.guid();\n                element.attr(\"id\", that.options.toolbarId);\n\n                if (options.toolbar.scrollable === undefined$1) {\n                    this.options.toolbar.scrollable = options.toolbar.scrollable = true;\n                }\n\n                if (options.toolbar.toggleable === undefined$1) {\n                    this.options.toolbar.toggleable = options.toolbar.toggleable = false;\n                }\n\n                that.toolbar = new kendo.chat.ChatToolBar(element, options);\n\n                that.toolbar.bind(\"click\", function(ev) {\n                    that.trigger(\"toolClick\", {\n                        sender: that,\n                        name: ev.name,\n                        button: ev.button,\n                        messageBox: that.messageBox.input[0],\n                        originalEvent: ev.originalEvent\n                    });\n                });\n            },\n\n            postMessage: function(message) {\n                var postArgs = extend(true, {}, { text: message, type: \"message\", timestamp: new Date(), from: this.getUser() });\n\n                this.trigger(\"post\", postArgs);\n\n                this.renderMessage(postArgs, postArgs.from);\n            },\n\n            // TEST calling View renderMessage\n            renderMessage: function(message, sender) {\n                this.view.renderMessage(message, sender);\n            },\n\n            // TEST calling View renderSuggestedActions\n            renderSuggestedActions: function(suggestedActions) {\n                this.view.renderSuggestedActions(suggestedActions);\n            },\n\n            // TEST calling View renderCard\n            renderAttachments: function(options, sender) {\n                this.view.renderAttachments(options, sender);\n            },\n\n            toggleToolbar: function(skipAnimation) {\n                this.toolbar.toggle(skipAnimation);\n            },\n\n            renderUserTypingIndicator: function(sender) {\n                this.view._renderTypingIndicator(sender);\n            },\n\n            clearUserTypingIndicator: function(sender) {\n                this.view._removeTypingParticipant(sender);\n            },\n\n            removeTypingIndicator: function() {\n                this.view._removeTypingIndicator();\n            }\n        });\n\n        kendo.ui.plugin(Chat);\n\n        extend(true, Chat, { styles: chatStyles });\n\n    })(window.kendo.jQuery);\n\n}));\n"]}