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\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n*/\n(function (f, define) {\n define('kendo.buttongroup', ['kendo.core'], f);\n}(function () {\n var __meta__ = {\n id: 'buttongroup',\n name: 'ButtonGroup',\n category: 'web',\n description: 'The Kendo ButtonGroup widget is a linear set of grouped buttons.',\n depends: ['core']\n };\n (function ($, undefined) {\n var kendo = window.kendo;\n var ui = kendo.ui;\n var Widget = ui.Widget;\n var keys = kendo.keys;\n var proxy = $.proxy;\n var template = kendo.template;\n var NS = '.kendoButtonGroup';\n var KWIDGET = 'k-widget';\n var KBUTTONGROUP = 'k-button-group';\n var KBUTTON = 'k-button';\n var KBUTTONICONTEXT = 'k-button-icontext';\n var KBUTTONICON = 'k-button-icon';\n var ACTIVE = 'k-state-active';\n var FOCUSED = 'k-state-focused';\n var DISABLED = 'k-state-disabled';\n var SELECT = 'select';\n var CLICK = 'click';\n var KEYDOWN = 'keydown';\n var FOCUS = 'focus';\n var BLUR = 'blur';\n var MOUSEDOWN = 'mousedown';\n var templates = {\n item: template('' + '#= icon(iconClass) #' + '#= image(item) #' + '#= text #' + ''),\n image: template('![\"icon\"](\"#=data.imageUrl#\")
'),\n icon: template(''),\n empty: template('')\n };\n function createBadge(value, item) {\n if (value === undefined) {\n return;\n }\n $('' + kendo.htmlEncode(value) + '').appendTo(item);\n }\n var ButtonGroup = Widget.extend({\n init: function (element, options) {\n var that = this;\n Widget.fn.init.call(that, element, options);\n that.wrapper = that.element;\n if (that.options.items) {\n that._renderItems(that.options.items);\n }\n that.selectedIndices = [];\n that.element.addClass(KWIDGET + ' ' + KBUTTONGROUP).attr('role', 'group').attr('tabindex', that.element.attr('tabindex') || '0').children().each(function () {\n var item = $(this);\n that._updateClasses.bind(that)(item);\n });\n that._enable = true;\n if (!that.options.enable) {\n that._enable = false;\n that.element.attr('aria-disabled', true).addClass(DISABLED);\n }\n that.select(that.options.index);\n that.element.on(CLICK + NS, '.' + KBUTTON, proxy(that._click, that)).on(FOCUS + NS, proxy(that._focus, that)).on(KEYDOWN + NS, proxy(that._keyDown, that)).on(BLUR + NS, function () {\n that.preventFocus = false;\n that.element.find('.' + KBUTTON).removeClass(FOCUSED);\n }).on(MOUSEDOWN + NS, function () {\n that.preventFocus = true;\n });\n },\n events: [SELECT],\n options: {\n name: 'ButtonGroup',\n selection: 'single',\n index: -1,\n enable: true\n },\n current: function () {\n return this.element.find('.' + ACTIVE);\n },\n _renderItems: function (items) {\n var that = this;\n items.forEach(function (item) {\n var renderedItem = $(templates.item({\n image: item.imageUrl ? templates.image : templates.empty,\n icon: !item.imageUrl && (item.iconClass || item.icon) ? templates.icon : templates.empty,\n iconClass: item.iconClass || 'k-icon k-i-' + item.icon,\n item: item,\n text: item.text ? item.encoded === false ? item.text : kendo.htmlEncode(item.text) : ''\n }));\n if (item.attributes) {\n renderedItem.attr(item.attributes);\n }\n if (item.iconClass || item.icon || item.imageUrl) {\n renderedItem.addClass(item.text ? 'k-button-icontext' : 'k-button-icon');\n }\n renderedItem.appendTo(that.element);\n });\n },\n _focus: function () {\n var element = $(this.element);\n if (this.preventFocus) {\n return;\n }\n if (element.find('.' + ACTIVE).length) {\n element.find('.' + ACTIVE).first().focus().addClass(FOCUSED);\n } else {\n element.children().first().focus().addClass(FOCUSED);\n }\n },\n _keyDown: function (e) {\n var that = this;\n var buttonGroup = $(that.element);\n var focusableItems = buttonGroup.find('.' + KBUTTON);\n var focusedElement = buttonGroup.find('.' + FOCUSED);\n var currentIndex = focusableItems.index(focusedElement);\n var isRtl = kendo.support.isRtl(that.element);\n var itemToFocus;\n if (e.keyCode === keys.LEFT && !isRtl || e.keyCode === keys.RIGHT && isRtl) {\n focusedElement.removeClass(FOCUSED);\n itemToFocus = currentIndex === 0 ? focusableItems.eq(focusableItems.length - 1) : $(focusableItems[currentIndex - 1]);\n itemToFocus.focus().addClass(FOCUSED);\n e.preventDefault();\n } else if (e.keyCode === keys.LEFT && isRtl || e.keyCode === keys.RIGHT && !isRtl) {\n focusedElement.removeClass(FOCUSED);\n itemToFocus = currentIndex + 1 === focusableItems.length ? focusableItems.eq(0) : $(focusableItems[currentIndex + 1]);\n itemToFocus.focus().addClass(FOCUSED);\n e.preventDefault();\n } else if (e.keyCode === keys.ENTER || e.keyCode === keys.SPACEBAR) {\n that._select(focusedElement);\n e.preventDefault();\n }\n },\n select: function (button) {\n var that = this, ariaPressed, index = -1;\n if (button === undefined || button === -1) {\n return;\n }\n that.element.find('.' + KBUTTON).removeClass(FOCUSED);\n if (typeof button === 'number') {\n index = button;\n button = that.element.children().eq(button);\n } else if (button.nodeType) {\n button = $(button);\n index = button.index();\n }\n if (that.options.selection === 'multiple') {\n ariaPressed = button.attr('aria-pressed') === 'true';\n button.attr('aria-pressed', !ariaPressed).toggleClass(ACTIVE);\n if (that.selectedIndices.indexOf(index) === -1) {\n that.selectedIndices.push(index);\n } else {\n that.selectedIndices.splice(that.selectedIndices.indexOf(index), 1);\n }\n } else {\n that.selectedIndices = [];\n that.current().attr('aria-pressed', false).removeClass(ACTIVE);\n button.attr('aria-pressed', true).addClass(ACTIVE);\n that.selectedIndices.push(index);\n }\n that.trigger(SELECT, { indices: that.selectedIndices });\n },\n badge: function (item, value) {\n var buttongroup = this.element;\n var button = !isNaN(item) ? buttongroup.children().eq(item) : buttongroup.find(item);\n var validValue = value || value === 0;\n var badge;\n if (!button.length) {\n return;\n }\n badge = button.children('.k-badge').eq(0);\n if (!badge.length && validValue) {\n createBadge(kendo.htmlEncode(value), button);\n return kendo.htmlEncode(value);\n }\n if (validValue) {\n badge.html(kendo.htmlEncode(value));\n } else if (value === false) {\n badge.empty().remove();\n return;\n }\n return badge.html();\n },\n enable: function (enable) {\n if (typeof enable == 'undefined') {\n enable = true;\n }\n this.element.attr('aria-disabled', !enable).toggleClass(DISABLED, !enable);\n this._enable = this.options.enable = enable;\n },\n destroy: function () {\n var that = this;\n that.element.off(NS);\n Widget.fn.destroy.call(that);\n },\n _updateClasses: function (button) {\n var icon = kendo.attrValue(button, 'icon');\n var badge = kendo.attrValue(button, 'badge');\n var image = button.find('img').addClass('k-image');\n var isEmpty = true;\n button.attr('aria-pressed', false).attr('role', 'button').addClass(KBUTTON);\n if (button.is('[disabled]') || button.hasClass(DISABLED)) {\n button.addClass(DISABLED).attr('aria-disabled', true).removeAttr('disabled');\n }\n if (button.is('.' + ACTIVE)) {\n button.removeClass(ACTIVE);\n if (!button.hasClass(DISABLED) && this.options.selection === 'single' || this.options.selection === 'multiple') {\n this.select(button[0]);\n }\n }\n if (!image[0] && icon) {\n button.prepend($(templates.icon('k-icon k-i-' + icon)));\n }\n button.contents().filter(function () {\n return !$(this).hasClass('k-icon') && !$(this).hasClass('k-image');\n }).each(function () {\n if (this.nodeType == 1 || this.nodeType == 3 && $.trim(this.nodeValue).length > 0) {\n isEmpty = false;\n }\n });\n if (image[0] || icon) {\n button.addClass(isEmpty ? KBUTTONICON : KBUTTONICONTEXT);\n }\n if (badge || badge === 0) {\n createBadge(badge, button);\n }\n },\n _click: function (e) {\n var target = $(e.target).closest('.' + KBUTTON);\n if (e.isDefaultPrevented()) {\n return;\n }\n this._select(target);\n },\n _select: function (target) {\n var button = target;\n this.element.find('.' + KBUTTON).removeClass(FOCUSED);\n if (!this._enable || button.is('.' + DISABLED)) {\n button.addClass(FOCUSED);\n return;\n }\n this.select(target[0]);\n button.addClass(FOCUSED);\n }\n });\n ui.plugin(ButtonGroup);\n }(window.kendo.jQuery));\n return window.kendo;\n}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {\n (a3 || a2)();\n}));"]}