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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.mobile.scrollview', [\n 'kendo.fx',\n 'kendo.data',\n 'kendo.draganddrop'\n ], f);\n}(function () {\n var __meta__ = {\n id: 'mobile.scrollview',\n name: 'ScrollView',\n category: 'mobile',\n description: 'The Kendo Mobile ScrollView widget is used to scroll content wider than the device screen.',\n depends: [\n 'fx',\n 'data',\n 'draganddrop'\n ]\n };\n (function ($, undefined) {\n var kendo = window.kendo, mobile = kendo.mobile, ui = mobile.ui, proxy = $.proxy, Transition = kendo.effects.Transition, Pane = kendo.ui.Pane, PaneDimensions = kendo.ui.PaneDimensions, Widget = ui.DataBoundWidget, DataSource = kendo.data.DataSource, Buffer = kendo.data.Buffer, BatchBuffer = kendo.data.BatchBuffer, math = Math, abs = math.abs, ceil = math.ceil, round = math.round, max = math.max, min = math.min, floor = math.floor, CHANGE = 'change', CHANGING = 'changing', REFRESH = 'refresh', CURRENT_PAGE_CLASS = 'current-page', VIRTUAL_PAGE_CLASS = 'virtual-page', FUNCTION = 'function', ITEM_CHANGE = 'itemChange', CLEANUP = 'cleanup', VIRTUAL_PAGE_COUNT = 3, LEFT_PAGE = -1, CETER_PAGE = 0, RIGHT_PAGE = 1, LEFT_SWIPE = -1, NUDGE = 0, RIGHT_SWIPE = 1;\n function className(name) {\n return 'k-' + name + ' km-' + name;\n }\n var Pager = kendo.Class.extend({\n init: function (scrollView) {\n var that = this, element = $('
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  1. ';\n }\n this.element.html(pageHTML);\n this.items().eq(e.page).addClass(className(CURRENT_PAGE_CLASS));\n },\n _change: function (e) {\n this.items().removeClass(className(CURRENT_PAGE_CLASS)).eq(e.page).addClass(className(CURRENT_PAGE_CLASS));\n },\n destroy: function () {\n this.scrollView.unbind(CHANGE, this._changeProxy);\n this.scrollView.unbind(REFRESH, this._refreshProxy);\n this.element.remove();\n }\n });\n kendo.mobile.ui.ScrollViewPager = Pager;\n var TRANSITION_END = 'transitionEnd', DRAG_START = 'dragStart', DRAG_END = 'dragEnd';\n var ElasticPane = kendo.Observable.extend({\n init: function (element, options) {\n var that = this;\n kendo.Observable.fn.init.call(this);\n this.element = element;\n this.container = element.parent();\n var movable, transition, userEvents, dimensions, dimension, pane;\n movable = new kendo.ui.Movable(that.element);\n transition = new Transition({\n axis: 'x',\n movable: movable,\n onEnd: function () {\n that.trigger(TRANSITION_END);\n }\n });\n userEvents = new kendo.UserEvents(element, {\n fastTap: true,\n start: function (e) {\n if (abs(e.x.velocity) * 2 >= abs(e.y.velocity)) {\n userEvents.capture();\n } else {\n userEvents.cancel();\n }\n that.trigger(DRAG_START, e);\n transition.cancel();\n },\n allowSelection: true,\n end: function (e) {\n that.trigger(DRAG_END, e);\n }\n });\n dimensions = new PaneDimensions({\n element: that.element,\n container: that.container\n });\n dimension = dimensions.x;\n dimension.bind(CHANGE, function () {\n that.trigger(CHANGE);\n });\n pane = new Pane({\n dimensions: dimensions,\n userEvents: userEvents,\n movable: movable,\n elastic: true\n });\n $.extend(that, {\n duration: options && options.duration || 1,\n movable: movable,\n transition: transition,\n userEvents: userEvents,\n dimensions: dimensions,\n dimension: dimension,\n pane: pane\n });\n this.bind([\n TRANSITION_END,\n DRAG_START,\n DRAG_END,\n CHANGE\n ], options);\n },\n size: function () {\n return {\n width: this.dimensions.x.getSize(),\n height: this.dimensions.y.getSize()\n };\n },\n total: function () {\n return this.dimension.getTotal();\n },\n offset: function () {\n return -this.movable.x;\n },\n updateDimension: function () {\n this.dimension.update(true);\n },\n refresh: function () {\n this.dimensions.refresh();\n },\n moveTo: function (offset) {\n this.movable.moveAxis('x', -offset);\n },\n transitionTo: function (offset, ease, instant) {\n if (instant) {\n this.moveTo(-offset);\n } else {\n this.transition.moveTo({\n location: offset,\n duration: this.duration,\n ease: ease\n });\n }\n }\n });\n kendo.mobile.ui.ScrollViewElasticPane = ElasticPane;\n var ScrollViewContent = kendo.Observable.extend({\n init: function (element, pane, options) {\n var that = this;\n kendo.Observable.fn.init.call(this);\n that.element = element;\n that.pane = pane;\n that._getPages();\n this.page = 0;\n this.pageSize = options.pageSize || 1;\n this.contentHeight = options.contentHeight;\n this.enablePager = options.enablePager;\n this.pagerOverlay = options.pagerOverlay;\n },\n scrollTo: function (page, instant) {\n this.page = page;\n this.pane.transitionTo(-page * this.pane.size().width, Transition.easeOutExpo, instant);\n },\n paneMoved: function (swipeType, bounce, callback, instant) {\n var that = this, pane = that.pane, width = pane.size().width * that.pageSize, approx = round, ease = bounce ? Transition.easeOutBack : Transition.easeOutExpo, snap, nextPage;\n if (swipeType === LEFT_SWIPE) {\n approx = ceil;\n } else if (swipeType === RIGHT_SWIPE) {\n approx = floor;\n }\n nextPage = approx(pane.offset() / width);\n snap = max(that.minSnap, min(-nextPage * width, that.maxSnap));\n if (nextPage != that.page) {\n if (callback && callback({\n currentPage: that.page,\n nextPage: nextPage\n })) {\n snap = -that.page * pane.size().width;\n }\n }\n pane.transitionTo(snap, ease, instant);\n },\n updatePage: function () {\n var pane = this.pane, page = round(pane.offset() / pane.size().width);\n if (page != this.page) {\n this.page = page;\n return true;\n }\n return false;\n },\n forcePageUpdate: function () {\n return this.updatePage();\n },\n resizeTo: function (size) {\n var pane = this.pane, width = size.width;\n this.pageElements.width(width);\n if (this.contentHeight === '100%') {\n var containerHeight = this.element.parent().height();\n if (this.enablePager === true) {\n var pager = this.element.parent().find('ol.km-pages');\n if (!this.pagerOverlay && pager.length) {\n containerHeight -= kendo._outerHeight(pager, true);\n }\n }\n this.element.css('height', containerHeight);\n this.pageElements.css('height', containerHeight);\n }\n pane.updateDimension();\n if (!this._paged) {\n this.page = floor(pane.offset() / width);\n }\n this.scrollTo(this.page, true);\n this.pageCount = ceil(pane.total() / width);\n this.minSnap = -(this.pageCount - 1) * width;\n this.maxSnap = 0;\n },\n _getPages: function () {\n this.pageElements = this.element.find(kendo.roleSelector('page'));\n this._paged = this.pageElements.length > 0;\n }\n });\n kendo.mobile.ui.ScrollViewContent = ScrollViewContent;\n var VirtualScrollViewContent = kendo.Observable.extend({\n init: function (element, pane, options) {\n var that = this;\n kendo.Observable.fn.init.call(this);\n that.element = element;\n that.pane = pane;\n that.options = options;\n that._templates();\n that.page = options.page || 0;\n that.pages = [];\n that._initPages();\n that.resizeTo(that.pane.size());\n that.pane.dimension.forceEnabled();\n },\n setDataSource: function (dataSource) {\n this.dataSource = DataSource.create(dataSource);\n this._buffer();\n this._pendingPageRefresh = false;\n this._pendingWidgetRefresh = false;\n },\n _viewShow: function () {\n var that = this;\n if (that._pendingWidgetRefresh) {\n setTimeout(function () {\n that._resetPages();\n }, 0);\n that._pendingWidgetRefresh = false;\n }\n },\n _buffer: function () {\n var itemsPerPage = this.options.itemsPerPage;\n if (this.buffer) {\n this.buffer.destroy();\n }\n if (itemsPerPage > 1) {\n this.buffer = new BatchBuffer(this.dataSource, itemsPerPage);\n } else {\n this.buffer = new Buffer(this.dataSource, itemsPerPage * 3);\n }\n this._resizeProxy = proxy(this, '_onResize');\n this._resetProxy = proxy(this, '_onReset');\n this._endReachedProxy = proxy(this, '_onEndReached');\n this.buffer.bind({\n 'resize': this._resizeProxy,\n 'reset': this._resetProxy,\n 'endreached': this._endReachedProxy\n });\n },\n _templates: function () {\n var template = this.options.template, emptyTemplate = this.options.emptyTemplate, templateProxy = {}, emptyTemplateProxy = {};\n if (typeof template === FUNCTION) {\n templateProxy.template = template;\n template = '#=this.template(data)#';\n }\n this.template = proxy(kendo.template(template), templateProxy);\n if (typeof emptyTemplate === FUNCTION) {\n emptyTemplateProxy.emptyTemplate = emptyTemplate;\n emptyTemplate = '#=this.emptyTemplate(data)#';\n }\n this.emptyTemplate = proxy(kendo.template(emptyTemplate), emptyTemplateProxy);\n },\n _initPages: function () {\n var pages = this.pages, element = this.element, page;\n for (var i = 0; i < VIRTUAL_PAGE_COUNT; i++) {\n page = new Page(element);\n pages.push(page);\n }\n this.pane.updateDimension();\n },\n resizeTo: function (size) {\n var pages = this.pages, pane = this.pane;\n for (var i = 0; i < pages.length; i++) {\n pages[i].setWidth(size.width);\n }\n if (this.options.contentHeight === 'auto') {\n this.element.css('height', this.pages[1].element.height());\n } else if (this.options.contentHeight === '100%') {\n var containerHeight = this.element.parent().height();\n if (this.options.enablePager === true) {\n var pager = this.element.parent().find('ol.km-pages');\n if (!this.options.pagerOverlay && pager.length) {\n containerHeight -= kendo._outerHeight(pager, true);\n }\n }\n this.element.css('height', containerHeight);\n pages[0].element.css('height', containerHeight);\n pages[1].element.css('height', containerHeight);\n pages[2].element.css('height', containerHeight);\n }\n pane.updateDimension();\n this._repositionPages();\n this.width = size.width;\n },\n scrollTo: function (page) {\n var buffer = this.buffer, dataItem;\n buffer.syncDataSource();\n dataItem = buffer.at(page);\n if (!dataItem) {\n return;\n }\n this._updatePagesContent(page);\n this.page = page;\n },\n paneMoved: function (swipeType, bounce, callback, instant) {\n var that = this, pane = that.pane, width = pane.size().width, offset = pane.offset(), thresholdPassed = Math.abs(offset) >= width / 3, ease = bounce ? kendo.effects.Transition.easeOutBack : kendo.effects.Transition.easeOutExpo, isEndReached = that.page + 2 > that.buffer.total(), nextPage, delta = 0;\n if (swipeType === RIGHT_SWIPE) {\n if (that.page !== 0) {\n delta = -1;\n }\n } else if (swipeType === LEFT_SWIPE && !isEndReached) {\n delta = 1;\n } else if (offset > 0 && (thresholdPassed && !isEndReached)) {\n delta = 1;\n } else if (offset < 0 && thresholdPassed) {\n if (that.page !== 0) {\n delta = -1;\n }\n }\n nextPage = that.page;\n if (delta) {\n nextPage = delta > 0 ? nextPage + 1 : nextPage - 1;\n }\n if (callback && callback({\n currentPage: that.page,\n nextPage: nextPage\n })) {\n delta = 0;\n }\n if (delta === 0) {\n that._cancelMove(ease, instant);\n } else if (delta === -1) {\n that._moveBackward(instant);\n } else if (delta === 1) {\n that._moveForward(instant);\n }\n },\n updatePage: function () {\n var pages = this.pages;\n if (this.pane.offset() === 0) {\n return false;\n }\n if (this.pane.offset() > 0) {\n pages.push(this.pages.shift());\n this.page++;\n this.setPageContent(pages[2], this.page + 1);\n } else {\n pages.unshift(this.pages.pop());\n this.page--;\n this.setPageContent(pages[0], this.page - 1);\n }\n this._repositionPages();\n this._resetMovable();\n return true;\n },\n forcePageUpdate: function () {\n var offset = this.pane.offset(), threshold = this.pane.size().width * 3 / 4;\n if (abs(offset) > threshold) {\n return this.updatePage();\n }\n return false;\n },\n _resetMovable: function () {\n this.pane.moveTo(0);\n },\n _moveForward: function (instant) {\n this.pane.transitionTo(-this.width, kendo.effects.Transition.easeOutExpo, instant);\n },\n _moveBackward: function (instant) {\n this.pane.transitionTo(this.width, kendo.effects.Transition.easeOutExpo, instant);\n },\n _cancelMove: function (ease, instant) {\n this.pane.transitionTo(0, ease, instant);\n },\n _resetPages: function () {\n this.page = this.options.page || 0;\n this._updatePagesContent(this.page);\n this._repositionPages();\n this.trigger('reset');\n },\n _onResize: function () {\n this.pageCount = ceil(this.dataSource.total() / this.options.itemsPerPage);\n if (this._pendingPageRefresh) {\n this._updatePagesContent(this.page);\n this._pendingPageRefresh = false;\n }\n this.trigger('resize');\n },\n _onReset: function () {\n this.pageCount = ceil(this.dataSource.total() / this.options.itemsPerPage);\n this._resetPages();\n },\n _onEndReached: function () {\n this._pendingPageRefresh = true;\n },\n _repositionPages: function () {\n var pages = this.pages;\n pages[0].position(LEFT_PAGE);\n pages[1].position(CETER_PAGE);\n pages[2].position(RIGHT_PAGE);\n },\n _updatePagesContent: function (offset) {\n var pages = this.pages, currentPage = offset || 0;\n this.setPageContent(pages[0], currentPage - 1);\n this.setPageContent(pages[1], currentPage);\n this.setPageContent(pages[2], currentPage + 1);\n },\n setPageContent: function (page, index) {\n var buffer = this.buffer, template = this.template, emptyTemplate = this.emptyTemplate, view = null;\n if (index >= 0) {\n view = buffer.at(index);\n if ($.isArray(view) && !view.length) {\n view = null;\n }\n }\n this.trigger(CLEANUP, { item: page.element });\n if (view !== null) {\n page.content(template(view));\n } else {\n page.content(emptyTemplate({}));\n }\n kendo.mobile.init(page.element);\n this.trigger(ITEM_CHANGE, {\n item: page.element,\n data: view,\n ns: kendo.mobile.ui\n });\n }\n });\n kendo.mobile.ui.VirtualScrollViewContent = VirtualScrollViewContent;\n var Page = kendo.Class.extend({\n init: function (container) {\n this.element = $('
    ');\n this.width = container.width();\n this.element.width(this.width);\n container.append(this.element);\n },\n content: function (theContent) {\n this.element.html(theContent);\n },\n position: function (position) {\n this.element.css('transform', 'translate3d(' + this.width * position + 'px, 0, 0)');\n },\n setWidth: function (width) {\n this.width = width;\n this.element.width(width);\n }\n });\n kendo.mobile.ui.VirtualPage = Page;\n var ScrollView = Widget.extend({\n init: function (element, options) {\n var that = this;\n Widget.fn.init.call(that, element, options);\n options = that.options;\n element = that.element;\n kendo.stripWhitespace(element[0]);\n element.wrapInner('
    ').addClass('k-widget ' + className('scrollview'));\n if (this.options.enablePager) {\n this.pager = new Pager(this);\n if (this.options.pagerOverlay) {\n element.addClass(className('scrollview-overlay'));\n }\n }\n that.inner = element.children().first();\n that.page = 0;\n that.inner.css('height', options.contentHeight);\n that.pane = new ElasticPane(that.inner, {\n duration: this.options.duration,\n transitionEnd: proxy(this, '_transitionEnd'),\n dragStart: proxy(this, '_dragStart'),\n dragEnd: proxy(this, '_dragEnd'),\n change: proxy(this, REFRESH)\n });\n that.bind('resize', function () {\n that.pane.refresh();\n });\n that.page = options.page;\n var empty = this.inner.children().length === 0;\n var content = empty ? new VirtualScrollViewContent(that.inner, that.pane, options) : new ScrollViewContent(that.inner, that.pane, options);\n content.page = that.page;\n content.bind('reset', function () {\n this._pendingPageRefresh = false;\n that._syncWithContent();\n that.trigger(REFRESH, {\n pageCount: content.pageCount,\n page: content.page\n });\n });\n content.bind('resize', function () {\n that.trigger(REFRESH, {\n pageCount: content.pageCount,\n page: content.page\n });\n });\n content.bind(ITEM_CHANGE, function (e) {\n that.trigger(ITEM_CHANGE, e);\n that.angular('compile', function () {\n return {\n elements: e.item,\n data: [{ dataItem: e.data }]\n };\n });\n });\n content.bind(CLEANUP, function (e) {\n that.angular('cleanup', function () {\n return { elements: e.item };\n });\n });\n that._content = content;\n that.setDataSource(options.dataSource);\n var mobileContainer = that.container();\n if (mobileContainer.nullObject) {\n that.viewInit();\n that.viewShow();\n } else {\n mobileContainer.bind('show', proxy(this, 'viewShow')).bind('init', proxy(this, 'viewInit'));\n }\n },\n options: {\n name: 'ScrollView',\n page: 0,\n duration: 400,\n velocityThreshold: 0.8,\n contentHeight: 'auto',\n pageSize: 1,\n itemsPerPage: 1,\n bounceVelocityThreshold: 1.6,\n enablePager: true,\n pagerOverlay: false,\n autoBind: true,\n template: '',\n emptyTemplate: ''\n },\n events: [\n CHANGING,\n CHANGE,\n REFRESH\n ],\n destroy: function () {\n Widget.fn.destroy.call(this);\n kendo.destroy(this.element);\n },\n viewInit: function () {\n if (this.options.autoBind) {\n this._content.scrollTo(this._content.page, true);\n }\n },\n viewShow: function () {\n this.pane.refresh();\n },\n refresh: function () {\n var content = this._content;\n content.resizeTo(this.pane.size());\n this.page = content.page;\n this.trigger(REFRESH, {\n pageCount: content.pageCount,\n page: content.page\n });\n },\n content: function (html) {\n this.element.children().first().html(html);\n this._content._getPages();\n this.pane.refresh();\n },\n value: function (item) {\n var dataSource = this.dataSource;\n if (item) {\n this.scrollTo(dataSource.indexOf(item), true);\n } else {\n return dataSource.at(this.page);\n }\n },\n scrollTo: function (page, instant) {\n this._content.scrollTo(page, instant);\n this._syncWithContent();\n },\n prev: function () {\n var that = this, prevPage = that.page - 1;\n if (that._content instanceof VirtualScrollViewContent) {\n that._content.paneMoved(RIGHT_SWIPE, undefined, function (eventData) {\n return that.trigger(CHANGING, eventData);\n });\n } else if (prevPage > -1) {\n that.scrollTo(prevPage);\n }\n },\n next: function () {\n var that = this, nextPage = that.page + 1;\n if (that._content instanceof VirtualScrollViewContent) {\n that._content.paneMoved(LEFT_SWIPE, undefined, function (eventData) {\n return that.trigger(CHANGING, eventData);\n });\n } else if (nextPage < that._content.pageCount) {\n that.scrollTo(nextPage);\n }\n },\n setDataSource: function (dataSource) {\n if (!(this._content instanceof VirtualScrollViewContent)) {\n return;\n }\n var emptyDataSource = !dataSource;\n this.dataSource = DataSource.create(dataSource);\n this._content.setDataSource(this.dataSource);\n if (this.options.autoBind && !emptyDataSource) {\n this.dataSource.fetch();\n }\n },\n items: function () {\n return this.element.find('.km-' + VIRTUAL_PAGE_CLASS);\n },\n _syncWithContent: function () {\n var pages = this._content.pages, buffer = this._content.buffer, data, element;\n this.page = this._content.page;\n data = buffer ? buffer.at(this.page) : undefined;\n if (!(data instanceof Array)) {\n data = [data];\n }\n element = pages ? pages[1].element : undefined;\n this.trigger(CHANGE, {\n page: this.page,\n element: element,\n data: data\n });\n },\n _dragStart: function () {\n if (this._content.forcePageUpdate()) {\n this._syncWithContent();\n }\n },\n _dragEnd: function (e) {\n var that = this, velocity = e.x.velocity, velocityThreshold = this.options.velocityThreshold, swipeType = NUDGE, bounce = abs(velocity) > this.options.bounceVelocityThreshold;\n if (velocity > velocityThreshold) {\n swipeType = RIGHT_SWIPE;\n } else if (velocity < -velocityThreshold) {\n swipeType = LEFT_SWIPE;\n }\n this._content.paneMoved(swipeType, bounce, function (eventData) {\n return that.trigger(CHANGING, eventData);\n });\n },\n _transitionEnd: function () {\n if (this._content.updatePage()) {\n this._syncWithContent();\n }\n }\n });\n ui.plugin(ScrollView);\n }(window.kendo.jQuery));\n return window.kendo;\n}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {\n (a3 || a2)();\n}));"]}