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(factory) {\n typeof define === 'function' && define.amd ? define(['kendo.mobile.scroller', 'kendo.core', 'kendo.toolbar', 'kendo.combobox', 'kendo.drawing', 'kendo.dialog', 'kendo.window', 'kendo.binder', 'kendo.numerictextbox', 'kendo.dropdownlist', 'kendo.upload'], factory) :\n factory();\n})((function () {\n (function($, undefined$1) {\n var extend = $.extend;\n var isLoaded = function() {\n if (!window.pdfjsLib)\n {\n var console = window.console;\n\n if (console && console.error) {\n console.error(\"PDF.JS required.\");\n }\n\n return false;\n }\n\n kendo.pdfviewer.pdfjs.lib = window.pdfjsLib;\n\n return true;\n };\n\n extend(kendo, {\n pdfviewer: {\n pdfjs: {\n lib: window.pdfjsLib,\n isLoaded: isLoaded\n }\n }\n });\n })(window.kendo.jQuery);\n\n var __meta__$2 = {\n id: \"pdfjs-processor\",\n name: \"PDFJS-Processor\",\n category: \"framework\",\n depends: [ \"core\" ]\n };\n\n (function($, undefined$1) {\n var kendo = window.kendo,\n Class = kendo.Class,\n extend = $.extend,\n atob = window.atob,\n PDFJS;\n\n var PDFJSProcessor = Class.extend({\n init: function(options, viewer) {\n var that = this;\n\n if (kendo.pdfviewer.pdfjs.isLoaded()) {\n PDFJS = kendo.pdfviewer.pdfjs.lib;\n }\n\n that.file = options.file;\n that.viewer = viewer;\n },\n fetchDocument: function() {\n var that = this,\n deferred = $.Deferred(),\n messages = that.viewer.options.messages.errorMessages;\n\n if (!that.file) {\n return deferred.resolve();\n }\n\n if (that._isBase64Data() && atob)\n {\n that.file.data = atob(that.file.data);\n }\n\n PDFJS.getDocument(this.file).promise.then(function(pdf) {\n var pageSizes = [];\n that.pdf = pdf;\n that.pagePromises = [];\n that._downloadData = $.Deferred();\n\n pdf.getData().then(function(data) {\n var blob = new Blob([data], { type: 'application/pdf' });\n that._downloadData.resolve({\n file: blob\n });\n });\n\n for (var i = 1; i <= pdf.numPages; i++) {\n that.pagePromises.push(pdf.getPage(i));\n }\n\n Promise.all(that.pagePromises).then(function(pagePromises) {\n pageSizes = pagePromises.map(function(pagePromise) {\n var viewport = pagePromise.getViewport({ scale: 4 / 3 });\n return {\n width: viewport.width,\n height: viewport.height\n };\n });\n\n deferred.resolve({\n total: pdf.numPages,\n pages: pageSizes\n });\n }).catch(function(e) {\n that.viewer._triggerError({\n error: e.message,\n message: messages.parseError\n });\n });\n\n }).catch(function(e) {\n var notFoundError = e.name.includes(\"Missing\");\n var alertMessage = notFoundError ? messages.notFound : messages.parseError;\n that.viewer._triggerError({\n error: e.message,\n message: alertMessage\n });\n if (notFoundError) {\n that.viewer._renderBlankPage();\n }\n });\n\n return deferred;\n },\n fetchPageData: function(number) {\n return this.pagePromises[number - 1];\n },\n downloadFile: function(fileName) {\n var that = this;\n kendo.ui.progress(that.viewer.pageContainer, true);\n\n that._downloadData.done(function(result) {\n kendo.ui.progress(that.viewer.pageContainer, false);\n\n var reader = new FileReader();\n reader.readAsDataURL(result.file);\n\n reader.onload = function() {\n kendo.saveAs({\n dataURI: reader.result,\n fileName: fileName + \".pdf\",\n proxyURL: function() {\n return reader.result;\n }\n });\n };\n });\n },\n _updateDocument: function(file) {\n if (this.pdf && this.pdf.loadingTask) {\n this.pdf.loadingTask.destroy();\n }\n\n this.file = file;\n },\n _isBase64Data: function() {\n var data = this.file.data,\n notBase64 = /[^A-Z0-9+\\/=]/i,\n length = data && data.length,\n equalSign;\n\n if (!length || length % 4 !== 0 || notBase64.test(data)) {\n return false;\n }\n\n equalSign = data.indexOf('=');\n\n return equalSign === -1 ||\n equalSign === length - 1 ||\n (equalSign === length - 2 && data[length - 1] === '=');\n },\n renderTextLayer: function(params) {\n PDFJS.renderTextLayer(params);\n }\n });\n\n extend(kendo.pdfviewer.pdfjs, {\n processor: PDFJSProcessor\n });\n })(window.kendo.jQuery);\n\n var __meta__$1 = {\n id: \"dpl-processor\",\n name: \"DPL-Processor\",\n category: \"framework\",\n depends: [ \"core\" ]\n };\n\n (function($, undefined$1) {\n var kendo = window.kendo,\n extend = $.extend,\n Class = kendo.Class;\n\n var DPLProcessor = Class.extend({\n init: function(options, viewer) {\n var that = this;\n\n that.options = options;\n that.read = options.read;\n that.upload = options.upload;\n that.download = options.download;\n\n that.viewer = viewer;\n },\n fetchDocument: function() {\n var that = this,\n deferred = $.Deferred(),\n errorMessages = that.viewer.options.messages.errorMessages;\n\n if (!that.read) {\n return deferred.resolve();\n }\n\n $.ajax({\n type: that.read.type,\n url: that.read.url,\n dataType: that.read.dataType,\n success: function(data) {\n if (typeof data != \"string\") {\n data = kendo.stringify(data);\n }\n deferred.resolve(JSON.parse(data));\n },\n error: function(xhr) {\n that.viewer._triggerError({\n error: xhr.responseText,\n message: errorMessages.parseError\n });\n }\n });\n\n return deferred;\n },\n fetchPageData: function(number) {\n var that = this;\n var deferred = $.Deferred();\n var page = that.viewer.document.pages[number - 1];\n var data = {};\n data[that.read.pageField] = number;\n\n if (!page.geometries.length) {\n $.ajax({\n type: that.read.type,\n url: that.read.url,\n data: data,\n success: function(data) {\n deferred.resolve(JSON.parse(data));\n },\n error: function(xhr) {\n that.viewer._triggerError({\n error: xhr.responseText,\n message: that.viewer.options.messages.errorMessages.parseError\n });\n }\n });\n } else {\n deferred.resolve(page);\n }\n\n return deferred;\n },\n downloadFile: function(fileName) {\n window.location = this.download.url + \"?file=\" + fileName;\n },\n\n fromJSON: function(json)\n {\n var viewer = this.viewer;\n viewer._clearPages();\n\n viewer.document = json;\n viewer.document.total = viewer.document.pages.length;\n\n viewer._renderPages();\n viewer.resize(true);\n\n viewer.activatePage(1);\n }\n });\n\n extend(kendo.pdfviewer, {\n dpl: {\n processor: DPLProcessor\n }\n });\n })(window.kendo.jQuery);\n\n (function($, undefined$1) {\n var NS = \".kendoPDFViewer\",\n Widget = kendo.ui.Widget,\n CHANGE = \"change\",\n KEYDOWN = \"keydown\",\n CLICK = kendo.support.click,\n SHRINKWIDTH = 480,\n kendoAttr = kendo.attr,\n extend = $.extend,\n DOT = \".\",\n ARIA_DISABLED = \"aria-disabled\";\n\n var pagerStyles = {\n wrapperClass: \"k-pager-wrap k-button-group\",\n iconFirst: \"k-i-arrow-end-left\",\n iconLast: \"k-i-arrow-end-right\",\n iconPrev: \"k-i-arrow-60-left\",\n iconNext: \"k-i-arrow-60-right\",\n first: \"k-pager-first\",\n last: \"k-pager-last\",\n nav: \"k-pager-nav\",\n disabled: \"k-disabled\"\n };\n\n var Pager = Widget.extend({\n init: function(element, options) {\n var that = this;\n\n Widget.fn.init.call(that, element, options);\n\n that.linkTemplate = kendo.template(that.options.linkTemplate);\n\n that.element.addClass(pagerStyles.wrapperClass);\n\n that._renderLinks();\n that._toggleDisabledClass();\n that._attachEvents();\n },\n\n options: {\n linkTemplate: '',\n previousNext: true,\n input: true,\n page: 1,\n total: 1,\n messages: {}\n },\n\n events: [\n CHANGE\n ],\n\n _pagerLink: function(iconClass, text, pageIdx, wrapClass) {\n return this.linkTemplate({\n iconClass: iconClass,\n text: text,\n wrapClass: wrapClass || \"\",\n pageIdx: pageIdx\n });\n },\n\n _renderLinks: function()\n {\n var that = this,\n options = that.options;\n\n if (options.previousNext) {\n that.firstLink = $(that._pagerLink(pagerStyles.iconFirst, options.messages.first, 1, pagerStyles.first));\n that.prevLink = $(that._pagerLink(pagerStyles.iconPrev, options.messages.previous, options.page - 1));\n that.nextLink = $(that._pagerLink(pagerStyles.iconNext, options.messages.next, options.page + 1));\n that.lastLink = $(that._pagerLink(pagerStyles.iconLast, options.messages.last, options.total, pagerStyles.last));\n }\n\n that.element.append(that.firstLink);\n that.element.append(that.prevLink);\n\n if (options.input) {\n that._renderInput();\n }\n\n that.element.append(that.nextLink);\n that.element.append(that.lastLink);\n\n },\n\n _toggleDisabledClass: function() {\n var that = this,\n options = that.options,\n total = !options.total;\n\n if (that.nextLink && that.prevLink) {\n that.prevLink.toggleClass(pagerStyles.disabled, total || options.page === 1);\n that.nextLink.toggleClass(pagerStyles.disabled, total || options.page === options.total);\n that.lastLink.toggleClass(pagerStyles.disabled, total || options.page === options.total);\n that.firstLink.toggleClass(pagerStyles.disabled,total || options.page === 1);\n\n that.prevLink.attr(ARIA_DISABLED, total || options.page === 1);\n that.firstLink.attr(ARIA_DISABLED, total || options.page === 1);\n\n that.nextLink.attr(ARIA_DISABLED, options.page === options.total);\n that.lastLink.attr(ARIA_DISABLED, options.page === options.total);\n }\n\n if (that.input) {\n that.input.toggleClass(pagerStyles.disabled, options.total <= 1);\n that.input.attr(ARIA_DISABLED, options.total <= 1);\n }\n },\n\n _attachEvents: function() {\n var that = this;\n\n that.element.on(CLICK + NS, DOT + pagerStyles.nav, that._click.bind(that));\n that.element.on(KEYDOWN + NS, DOT + pagerStyles.nav, function(e) {\n if (e.keyCode === kendo.keys.ENTER)\n {\n that._click(e);\n e.preventDefault();\n }\n });\n\n if (that.input) {\n that.input.on(KEYDOWN + NS, that._keydown.bind(that));\n }\n },\n\n _click: function(e) {\n var target = $(e.currentTarget);\n var page = parseInt(target.attr(kendoAttr(\"page\")), 10);\n\n if (e.isDefaultPrevented()) {\n return;\n }\n\n this._change(page);\n },\n\n _keydown: function(e) {\n var key = e.keyCode,\n keys = kendo.keys,\n input = $(e.target),\n page = parseInt(input.val(), 10),\n upDown = key === keys.UP || key === keys.DOWN,\n direction = upDown && key === keys.UP ? 1 : -1;\n\n if (upDown) {\n page += direction;\n }\n\n if (key === keys.ENTER || upDown) {\n if (isNaN(page) || page < 1 || page > this.options.total) {\n page = this.options.page;\n input.val(page);\n return;\n }\n this._change(page);\n e.preventDefault();\n }\n },\n\n _change: function(page) {\n var that = this;\n\n if (page >= 1 && page <= that.options.total) {\n that.options.page = page;\n if (that.input) {\n that.input.val(page);\n }\n that.prevLink.attr(kendoAttr(\"page\"), page - 1);\n that.nextLink.attr(kendoAttr(\"page\"), page + 1);\n that._toggleDisabledClass();\n }\n\n that.trigger(CHANGE, { page: page });\n },\n\n setOptions: function(options) {\n var that = this,\n prevTotal = that.options.total;\n\n options = $.extend(that.options, options);\n\n Widget.fn.setOptions.call(that, options);\n\n if (options.input) {\n if (prevTotal != options.total) {\n that._renderInput();\n that.input\n .on(KEYDOWN + NS, that._keydown.bind(that));\n }\n else {\n that.input.val(options.total > 0 ? options.page : 1);\n }\n }\n\n if (options.total > 1) {\n that.prevLink.attr(kendoAttr(\"page\"), options.page - 1);\n that.nextLink.attr(kendoAttr(\"page\"), options.page + 1);\n that.lastLink.attr(kendoAttr(\"page\"), options.total);\n }\n\n that._toggleDisabledClass();\n },\n\n _renderInput: function() {\n var that = this,\n totalMessage,\n options = that.options,\n shouldShrink = that.element.parent().width() <= SHRINKWIDTH,\n inputTemplate,\n pagerInputWrap = that.element.find(\".k-pager-input\");\n\n if (that.input) {\n that.input.off(NS);\n }\n\n totalMessage = options.total > 0 ? kendo.format(options.messages.of, options.total) : \"\";\n\n if (!shouldShrink) {\n totalMessage += options.total > 1 ? options.messages.pages : options.messages.page;\n }\n\n inputTemplate = '' + totalMessage;\n\n if (pagerInputWrap.length) {\n pagerInputWrap.html(inputTemplate);\n } else {\n that.element.append('' + inputTemplate + '');\n }\n\n that.input = that.element\n .find(\"input\")\n .val(options.total > 0 ? options.page : 1);\n },\n\n destroy: function() {\n this.element.off(NS);\n\n if (this.input) {\n this.input.off(NS);\n }\n Widget.fn.destroy.call(this);\n }\n });\n\n\n extend(kendo.pdfviewer, {\n Pager: Pager\n });\n })(window.kendo.jQuery);\n\n (function($, undefined$1) {\n var kendo = window.kendo,\n extend = $.extend,\n ACTION = \"action\",\n KEYDOWN = \"keydown\",\n CHANGE = \"change\",\n COMMAND = \"command\",\n DOT = \".\",\n Item = kendo.toolbar.Item,\n TemplateItem = kendo.toolbar.TemplateItem,\n ToolBar = kendo.ui.ToolBar,\n PREDEFINED_ZOOM_VALUES = {\n auto: \"auto\",\n actual: \"actual\",\n fitToWidth: \"fitToWidth\",\n fitToPage: \"fitToPage\"\n },\n styles = {\n zoomOutIcon: \"k-i-zoom-out\",\n zoomInIcon: \"k-i-zoom-in\"\n };\n\n var ZOOM_COMBOBOX_TEMPLATE = kendo.template('');\n\n var DefaultTools = {\n pager: {\n type: \"pager\",\n overflow: \"never\",\n command: \"PageChangeCommand\"\n },\n spacer: { type: \"spacer\" },\n zoomInOut: {\n type: \"buttonGroup\",\n attributes: { \"class\": \"k-zoom-in-out-group\" },\n buttons: [\n { type: \"button\", icon: \"zoom-out\", name: \"zoomOut\", command: \"ZoomCommand\", showText: \"overflow\", options: \"zoomOut\" },\n { type: \"button\", icon: \"zoom-in\", name: \"zoomIn\", command: \"ZoomCommand\", showText: \"overflow\", options: \"zoomIn\" } ]\n },\n zoom: {\n type: \"zoom\",\n command: \"ZoomCommand\",\n combobox: { zoomLevels: [50, 100, 150, 200, 300, 400] },\n enable: false,\n overflow: \"never\"\n },\n toggleSelection: {\n type: \"buttonGroup\",\n attributes: { \"class\": \"k-toggle-selection-group\" },\n buttons: [\n {\n togglable: true,\n text: \"Enable Selection\",\n command: \"EnableSelectionCommand\",\n icon: \"cursor\",\n showText: \"overflow\",\n name: \"toggleSelection\",\n group: \"toggle-pan\"\n }, {\n togglable: true,\n text: \"Enable Panning\",\n command: \"EnablePanCommand\",\n icon: \"hand\",\n showText: \"overflow\",\n name: \"togglePan\",\n group: \"toggle-pan\",\n selected: true\n }\n ]\n },\n spacer2: { type: \"spacer\" },\n search: {\n type: \"button\",\n text: \"Search\",\n command: \"OpenSearchCommand\",\n icon: \"search\",\n name: \"search\",\n showText: \"overflow\",\n enable: false\n },\n open: {\n type: \"button\",\n text: \"Open\",\n showText: \"overflow\",\n name: \"open\",\n icon: \"folder-open\",\n command: \"OpenCommand\"\n },\n download: {\n type: \"button\",\n text: \"Download\",\n showText: \"overflow\",\n name: \"download\",\n icon: \"download\",\n command: \"DownloadCommand\",\n enable: false\n },\n print: {\n type: \"button\",\n text: \"Print\",\n showText: \"overflow\",\n name: \"print\",\n icon: \"print\",\n command: \"PrintCommand\",\n enable: false\n }\n };\n\n var AllTools = extend({}, DefaultTools, {\n exportAs: { type: \"button\", text: \"Export\", showText: \"overflow\", name: \"exportAs\", icon: \"image-export\", command: \"ExportCommand\" }\n });\n\n var ToolbarPager = Item.extend({\n init: function(options, toolbar) {\n var pagerElement = $(\"
\");\n\n this.options = extend(true, options, toolbar.options.pager);\n\n this.toolbar = toolbar;\n\n this.toolbar.pager = new kendo.pdfviewer.Pager(pagerElement, extend({}, options, {\n change: this._change.bind(this)\n }));\n\n this.element = pagerElement;\n this.element.on(KEYDOWN, this._keydown.bind(this));\n\n this.attributes();\n this.addUidAttr();\n this.addOverflowAttr();\n },\n _change: function(e) {\n if (this.options.change && this.options.change(e.page)) {\n return;\n }\n\n this.toolbar.action({\n command: \"PageChangeCommand\",\n options: {\n value: e.page\n }\n });\n },\n _keydown: function(e) {\n var that = this,\n target = $(e.target),\n keyCode = e.keyCode,\n children = that.element.find(\":kendoFocusable\"),\n targetIndex = children.index(target),\n keys = kendo.keys;\n\n if (keyCode === keys.RIGHT && children[targetIndex + 1]) {\n children[targetIndex + 1].focus();\n e.preventDefault();\n e.stopPropagation();\n } else if (keyCode === keys.LEFT && children[targetIndex - 1]) {\n children[targetIndex - 1].focus();\n e.preventDefault();\n e.stopPropagation();\n }\n }\n });\n\n kendo.toolbar.registerComponent(\"pager\", ToolbarPager);\n\n var ToolBarZoom = Item.extend({\n init: function(options, toolbar) {\n this.options = extend(true, options, {\n messages: toolbar.options.messages.zoom\n });\n\n TemplateItem.fn.init.call(this, \"\", options, toolbar);\n\n this.toolbar.zoom = this;\n\n if (toolbar.options.scale) {\n this._initValue = toolbar.options.scale * 100 + \"%\";\n }\n\n if (this.options.combobox) {\n this._buildComboBox();\n }\n\n this.enable(options.enable);\n },\n\n _buildComboBox: function() {\n var that = this,\n combobox,\n messages = that.options.messages,\n comboOptions = that.options.combobox,\n zoomLevels = [{\n percent: PREDEFINED_ZOOM_VALUES.auto,\n text: messages.autoWidth\n }, {\n percent: PREDEFINED_ZOOM_VALUES.actual,\n text: messages.actualWidth\n }, {\n percent: PREDEFINED_ZOOM_VALUES.fitToWidth,\n text: messages.fitToWidth\n }, {\n percent: PREDEFINED_ZOOM_VALUES.fitToPage,\n text: messages.fitToPage\n }];\n\n zoomLevels = zoomLevels.concat(comboOptions.zoomLevels);\n\n combobox = $(ZOOM_COMBOBOX_TEMPLATE({\n zoomLevels: zoomLevels,\n zoomLevel: messages.zoomLevel\n }));\n\n if (!kendo.support.mobileOS) {\n combobox = combobox.kendoComboBox(extend({\n autoWidth: true,\n clearButton: false,\n value: that._initValue\n }, comboOptions)).getKendoComboBox();\n\n that.element.append(combobox.wrapper);\n that.combobox = combobox;\n that._currentValue = combobox.value();\n } else {\n that.element.append(combobox);\n }\n\n combobox.bind(CHANGE, kendo.throttle(that.change.bind(that), 300));\n },\n\n change: function(e) {\n var value = e.sender ? e.sender.value() : e.target.value,\n parsedValue;\n\n if (value.toString().match(/^[0-9]+%?$/)) {\n parsedValue = parseInt(value.replace('%', ''), 10) / 100;\n } else if (!PREDEFINED_ZOOM_VALUES[value]) {\n if (this.combobox) {\n this.combobox.value(this._currentValue);\n }\n e.preventDefault();\n return;\n }\n\n this._currentValue = value;\n this.toolbar.action({\n command: \"ZoomCommand\",\n options: {\n scale: parsedValue || value\n }\n });\n },\n\n enable: function(value) {\n var element = this.element;\n\n element.find(\".k-button, select\").toggleClass(\"k-disabled\", !value);\n\n if (this.combobox) {\n this.combobox.enable(value);\n }\n },\n\n destroy: function() {\n if (this.combobox) {\n this.combobox.destroy();\n }\n }\n });\n\n kendo.toolbar.registerComponent(\"zoom\", ToolBarZoom);\n\n var ViewerToolBar = ToolBar.extend({\n init: function(element, options) {\n var that = this;\n var items = options.items && options.items.length ? options.items : Object.keys(DefaultTools);\n\n that.options = options;\n\n options.items = that._updateItems(items);\n\n ToolBar.fn.init.call(that, element, options);\n\n that.bind({\n click: that._click,\n toggle: that._click\n });\n\n options.viewer.bind({\n update: that._update.bind(that)\n });\n },\n events: [\n ACTION\n ],\n _updateItems: function(items) {\n var that = this;\n var messages = this.options.messages;\n\n return items.map(function(tool) {\n var isBuiltInTool = $.isPlainObject(tool) && Object.keys(tool).length === 1 && tool.name;\n tool = isBuiltInTool ? tool.name : tool;\n var toolOptions = $.isPlainObject(tool) ? tool : AllTools[tool];\n var options;\n var toolName = toolOptions.name;\n\n if (tool.name === \"zoomIn\" || tool.name === \"zoomOut\") {\n tool.text = that.options.messages.zoom[tool.name];\n } else if (tool === 'zoom' || tool.name === \"zoom\" || tool.type === \"zoom\") {\n if ($.isPlainObject(tool)) {\n tool.overflow = \"never\";\n } else {\n tool = {\n overflow: \"never\"\n };\n }\n }\n\n if (toolOptions.type === \"buttonGroup\") {\n toolOptions.buttons = that._updateItems(toolOptions.buttons);\n } else if (toolOptions.type !== \"pager\") {\n options = {\n name: toolName,\n attributes: {\n \"aria-label\": messages[toolName],\n \"title\": messages[toolName],\n \"data-command\": toolOptions.command\n },\n overflow: toolOptions.overflow,\n fillMode: \"flat\"\n };\n } else {\n options = {\n overflow: \"never\"\n };\n }\n\n if (toolOptions.text) {\n options.text = messages[toolOptions.name] || toolOptions.text;\n }\n\n kendo.deepExtend(toolOptions, options);\n\n return toolOptions;\n });\n },\n _click: function(e) {\n var button = $(e.target).closest(\".k-button\"),\n command = button.data(COMMAND),\n zoomIn = button.find(DOT + styles.zoomInIcon).length > 0,\n zoomOut = button.find(DOT + styles.zoomOutIcon).length > 0,\n options;\n\n if (!command) {\n return;\n }\n\n options = $.extend({}, e.options, {\n zoomIn: zoomIn,\n zoomOut: zoomOut,\n updateComboBox: zoomIn || zoomOut\n });\n\n this.action({\n command: command,\n options: options\n });\n },\n _update: function(e) {\n var pageOptions = {\n page: e.page || 1,\n total: e.total || 1\n },\n focusable = this.element.find(\":kendoFocusable\").not(\"[tabindex=-1]\");\n\n if (this.zoom) {\n this.zoom.enable(!e.isBlank);\n if (e.action === \"zoom\") {\n this._updateZoomComboBox(e.zoom);\n }\n }\n\n if ((e.action === \"pagechange\" || e.isBlank) && this.pager) {\n this.pager.setOptions(pageOptions);\n }\n\n this.enable(this.wrapper.find(\".k-toggle-selection-group\"), !e.isBlank);\n this.enable(this.wrapper.find(\".k-zoom-in-out-group\"), !e.isBlank);\n\n this.enable(this.wrapper.find(\"[data-command='OpenSearchCommand']\"), !e.isBlank);\n this.enable(this.wrapper.find(\"[data-command='DownloadCommand']\"), !e.isBlank);\n this.enable(this.wrapper.find(\"[data-command='PrintCommand']\"), !e.isBlank);\n\n this.element.find(\":kendoFocusable\").not(\"[tabindex=-1]\").attr(\"tabindex\", -1);\n focusable.attr(\"tabindex\", 0);\n },\n _updateZoomComboBox: function(value) {\n var isPredefined = value === PREDEFINED_ZOOM_VALUES.auto ||\n value === PREDEFINED_ZOOM_VALUES.actual ||\n value === PREDEFINED_ZOOM_VALUES.fitToPage ||\n value === PREDEFINED_ZOOM_VALUES.fitToWidth;\n\n if (!isPredefined) {\n value = Math.round(value * 100) + '%';\n }\n\n if (this.zoom && this.zoom.combobox) {\n this.zoom._currentValue = value;\n this.zoom.combobox.value(value);\n }\n },\n action: function(args) {\n this.trigger(ACTION, args);\n },\n destroy: function() {\n if (this.pager) {\n this.pager.destroy();\n }\n\n if (this.zoom) {\n this.zoom.destroy();\n }\n ToolBar.fn.destroy.call(this);\n }\n });\n\n\n extend(kendo.pdfviewer, {\n Toolbar: ViewerToolBar,\n DefaultTools: DefaultTools\n });\n })(window.kendo.jQuery);\n\n (function($, undefined$1) {\n var extend = $.extend,\n noop = $.noop,\n drawing = kendo.drawing,\n Group = drawing.Group,\n Surface = drawing.Surface,\n RENDER = \"render\",\n Class = kendo.Class,\n\n DEFAULT_DPR = 2;\n\n var geometryTypes = {\n Path: \"path\",\n MultiPath: \"multipath\",\n Rect: \"rect\",\n Image: \"image\",\n Text: \"text\"\n };\n\n var Page = Class.extend({\n init: function(options, viewer) {\n this.viewer = viewer;\n this.processor = options.processor;\n this.options = options;\n this.pageNumber = options.number;\n\n this.element = $(\"
\");\n this.element.attr(kendo.attr(\"number\"), this.pageNumber);\n\n this._updatePageSize(options);\n this.width = options.width;\n this.height = options.height;\n },\n resize: function(ratio) {\n var pageElement = this.element;\n\n this._updatePageSize({\n width: Math.min(pageElement.width() * ratio, this.width),\n height: Math.min(pageElement.height() * ratio, this.height)\n });\n },\n _updatePageSize: function(size) {\n this.element\n .width(size.width)\n .height(size.height);\n },\n destroy: function() {\n kendo.destroy(this.element);\n },\n render: noop\n });\n\n var DPLPage = Page.extend({\n draw: function() {\n var that = this,\n geometries = that.options.geometries;\n\n that.group = new Group();\n that.surface.draw(that.group);\n\n that._drawGeometries(geometries);\n\n that.viewer.trigger(RENDER, { page: this });\n kendo.ui.progress(that.element, false);\n },\n load: function() {\n var that = this;\n\n if (that.loaded || !that.processor)\n {\n return;\n }\n\n that.processor.fetchPageData(that.pageNumber).then(function(data) {\n that.options = data;\n that._initSurface();\n that.draw();\n });\n\n that.loaded = true;\n },\n _initSurface: function() {\n var size = {\n width: this.element.width(),\n height: this.element.height()\n };\n var surfaceOptions = extend({ width: this.width, height: this.height }, this.viewer.options.view);\n this.surface = new Surface(this.element, surfaceOptions);\n this._updatePageSize(size);\n },\n _drawGeometries: function(geometries) {\n var that = this,\n kGeometry;\n\n if (!geometries) {\n return;\n }\n\n for (var i = 0; i <= geometries.length; i++) {\n var geometry = geometries[i];\n\n if (!geometry) {\n continue;\n }\n\n switch (geometry.type) {\n case geometryTypes.Path:\n case geometryTypes.MultiPath:\n kGeometry = that._drawPath(geometry);\n break;\n case geometryTypes.Rect:\n kGeometry = that._drawRect(geometry);\n break;\n case geometryTypes.Image:\n kGeometry = that._drawImage(geometry);\n break;\n case geometryTypes.Text:\n kGeometry = that._drawText(geometry);\n break;\n default:\n kGeometry = null;\n break;\n }\n\n if (kGeometry)\n {\n that.group.append(kGeometry);\n }\n }\n },\n _drawRect: function(geometry)\n {\n var rectGeo = new kendo.geometry.Rect(geometry.point, geometry.size);\n\n return new drawing.Rect(rectGeo, {\n transform: this._getMatrix(geometry.transform),\n fill: geometry.fillOptions,\n stroke: geometry.strokeOptions\n });\n },\n\n _drawImage: function(geometry)\n {\n var imageRect = new kendo.geometry.Rect(geometry.point, geometry.size);\n return new drawing.Image(geometry.src, imageRect, {\n transform: this._getMatrix(geometry.transform)\n });\n },\n\n _drawText: function(geometry)\n {\n var options = {\n transform: this._getMatrix(geometry.transform),\n stroke: geometry.strokeOptions,\n fill: geometry.fillOptions,\n font: geometry.font\n };\n return new kendo.drawing.Text(geometry.content, geometry.point, options);\n },\n\n _drawPath: function(geometry)\n {\n var options = {\n transform: this._getMatrix(geometry.transform),\n stroke: geometry.strokeOptions,\n fill: geometry.fillOptions\n };\n var path = new drawing.MultiPath(options);\n\n for (var i = 0; i < geometry.paths.length; i++) {\n var subPath = geometry.paths[i];\n\n if (!subPath.segments)\n {\n return;\n }\n\n path.moveTo.apply(path, subPath.point);\n\n for (var j = 0; j < subPath.segments.length; j++) {\n var segment = subPath.segments[j];\n var drawAction = segment.points.length === 1 ? path.lineTo : path.curveTo;\n drawAction.apply(path, segment.points);\n }\n\n if (subPath.closed) {\n path.close();\n }\n }\n\n return path;\n },\n\n _getMatrix: function(transform) {\n var matrix = Object.create(kendo.geometry.Matrix.prototype);\n kendo.geometry.Matrix.apply(matrix, transform);\n return matrix;\n }\n });\n\n var PDFJSPage = Page.extend({\n init: function(options, viewer) {\n var that = this,\n canvas;\n\n canvas = $(\"\");\n that.canvas = canvas.get(0);\n\n Page.fn.init.call(that, options, viewer);\n that.canvas.width = that.width;\n that.canvas.height = that.height;\n\n that.element.append(canvas);\n },\n load: function(defaultScale, force) {\n var that = this,\n promise = $.Deferred();\n\n if (that._scale === defaultScale && !force)\n {\n return;\n } else if (that._scale && that._scale !== defaultScale && !force)\n {\n that._scale = defaultScale;\n that.render(defaultScale);\n return promise.resolve(that);\n }\n\n if (that.processor) {\n that.processor.fetchPageData(that.pageNumber).then(function(page) {\n that._page = page;\n that._renderPromise = that.render(defaultScale).then(function() {\n that.viewer.trigger(RENDER, { page: that });\n });\n promise.resolve(that);\n });\n }\n\n that._scale = defaultScale;\n that.loaded = true;\n return promise;\n },\n render: function(scale) {\n var that = this;\n var dpr = window.devicePixelRatio >= DEFAULT_DPR ? window.devicePixelRatio : DEFAULT_DPR;\n var context = this.canvas.getContext('2d'),\n viewport = this._page.getViewport({\n scale: scale\n });\n\n this.canvas.width = viewport.width * dpr;\n this.canvas.height = viewport.height * dpr;\n context.scale(dpr, dpr);\n\n this._scale = scale;\n this._dpr = dpr;\n\n if (this._renderTask)\n {\n this._renderTask.cancel();\n this._renderTask = null;\n }\n\n this._updatePageSize({\n width: viewport.width,\n height: viewport.height\n });\n\n this._renderTask = this._page.render({\n canvasContext: context,\n viewport: viewport\n });\n\n this._renderTextLayer(viewport);\n\n return this._renderTask.promise.then(function() {\n that._renderTask = null;\n\n }).catch(function() {});\n },\n _renderTextLayer: function(viewport) {\n var that = this;\n var page = that._page;\n\n if (that.textLayer) {\n that.textLayer.remove();\n }\n\n that.textLayer = $(\"
\").get(0);\n that.element.append(that.textLayer);\n\n page.getTextContent({\n normalizeWhitespace: true\n }).then(function(textContent) {\n $(that.textLayer).css({\n height: viewport.height,\n width: viewport.width\n }).html(\"\"); // Clear content to make sure that refreshing the page will not cause duplication of the text content.\n\n var params = {\n textContent: textContent,\n container: that.textLayer,\n viewport: viewport,\n textDivs: [],\n enhanceTextSelection: true\n };\n\n that.processor.renderTextLayer(params);\n });\n }\n });\n\n extend(kendo.pdfviewer.dpl, {\n geometryTypes: geometryTypes,\n Page: DPLPage\n });\n extend(kendo.pdfviewer.pdfjs, {\n Page: PDFJSPage\n });\n })(window.kendo.jQuery);\n\n (function($, undefined$1) {\n var Class = kendo.Class,\n extend = $.extend,\n isArray = Array.isArray;\n\n var SearchDOM = Class.extend({\n init: function(options) {\n var that = this;\n\n that.options = extend({}, that.options, options);\n\n that.processDom();\n },\n\n options: {\n highlightClass: \"k-search-highlight\",\n charClass: \"k-text-char\"\n },\n\n processDom: function() {\n var that = this;\n\n that.targets = isArray(that.options.target) ? that.options.target : [that.options.target];\n that.textNodes = [];\n that.charIndex = 0;\n that.text = \"\";\n\n that.targets.forEach(function(target) {\n that.traverseToTextNode(target);\n });\n\n for (var i = 0; i < that.textNodes.length; i++) {\n that.processTextNode(that.textNodes[i]);\n }\n },\n\n traverseToTextNode: function(node) {\n var that = this;\n\n if (node.nodeType === 3) {\n that.textNodes.push(node);\n } else {\n for (var i = 0; i < node.childNodes.length; i++) {\n that.traverseToTextNode(node.childNodes[i]);\n }\n }\n },\n\n processTextNode: function(node) {\n var that = this;\n var text = node.textContent;\n var span;\n\n that.text = that.text + text;\n\n if (text.length > 0) {\n span = $(node).wrap(\"\").parent();\n span.empty();\n that.splitChars(span.get(0), text);\n span.children().unwrap();\n }\n },\n\n splitChars: function(span, text) {\n var that = this;\n var newHtml = \"\";\n\n for (var i = 0; i < text.length; i++) {\n newHtml = newHtml + \"\" + text[i] + \"\";\n that.charIndex++;\n }\n\n span.innerHTML = newHtml;\n },\n\n search: function(value, matchCase) {\n var that = this;\n var expression = new RegExp(value, !matchCase ? \"gi\" : \"g\");\n var match;\n\n that.matches = [];\n\n that.resetMark();\n that.resetHighlight();\n that.resetMatchIndex();\n\n if (value === \"\") {\n return;\n }\n\n match = expression.exec(that.text);\n\n while (match) {\n that.matches.push({\n startOffset: match.index,\n endOffset: match.index + match[0].length\n });\n\n match = expression.exec(that.text);\n }\n\n that.highlightAll();\n that.mark();\n },\n\n highlightAll: function() {\n var that = this;\n\n that.matches.forEach(function(match, index) {\n var start = match.startOffset;\n var end = match.endOffset;\n\n that.highlight(start, end, index + 1);\n });\n },\n\n highlight: function(start, end, matchIndex) {\n var that = this;\n\n for (var i = start; i < end; i++) {\n $(that.targets)\n .find(\".\" + that.options.charClass + \"[\" + kendo.attr(\"char-index\") + \"=\" + i + \"]\")\n .addClass(that.options.highlightClass)\n .attr(kendo.attr(\"match-index\"), matchIndex);\n }\n },\n\n resetHighlight: function() {\n var that = this;\n\n $(that.targets)\n .find(\".\" + that.options.highlightClass)\n .removeClass(that.options.highlightClass);\n },\n\n resetMatchIndex: function() {\n var that = this;\n\n $(that.targets)\n .find(\".\" + that.options.charClass + \"[\" + kendo.attr(\"match-index\") + \"]\")\n .removeAttr(kendo.attr(\"match-index\"));\n },\n\n mark: function() {\n var that = this;\n\n if (!that.currentIndex && that.currentIndex !== 0) {\n that.currentIndex = 0;\n } else if (that.currentIndex > that.matches.length) {\n that.currentIndex = that.matches.length;\n } else {\n that.resetMark();\n }\n\n $(that.targets)\n .find(\".\" + that.options.charClass + \"[\" + kendo.attr(\"match-index\") + \"=\" + that.currentIndex + \"]\")\n .wrapInner(\"\");\n },\n\n resetMark: function() {\n var that = this;\n $(that.targets).find(\"mark\").contents().unwrap();\n },\n\n nextMatch: function() {\n var that = this;\n\n that.currentIndex++;\n\n if (that.currentIndex > that.matches.length) {\n that.currentIndex = 1;\n }\n\n that.mark();\n },\n\n previousMatch: function() {\n var that = this;\n\n that.currentIndex--;\n\n if (that.currentIndex < 1) {\n that.currentIndex = that.matches.length;\n }\n\n that.mark();\n },\n\n getMarkedIndex: function() {\n return this.matches.length ? this.currentIndex : 0;\n },\n\n getFirstMarked: function() {\n return $(this.targets).find(\"mark\").eq(0);\n },\n\n destroy: function() {\n var that = this;\n\n that.resetMark();\n $(that.targets).children(\"span:not(.\" + that.options.charClass + \")\").each(function(i, item) {\n $(item).text($(item).text());\n });\n }\n });\n\n extend(kendo.pdfviewer, {\n SearchDOM: SearchDOM\n });\n })(window.kendo.jQuery);\n\n (function($, undefined$1) {\n var kendo = window.kendo,\n extend = $.extend,\n Class = kendo.Class,\n EXTENSIONS = {\n svg: \".svg\",\n png: \".png\"\n },\n keys = kendo.keys;\n\n var ErrorDialog = Class.extend({\n init: function(options) {\n this.options = extend(options, {\n actions: [{\n text: options.messages.dialogs.okText\n }]\n });\n this._dialog = $(\"
\")\n .kendoDialog(this.options)\n .getKendoDialog();\n },\n open: function() {\n this._dialog.center().open();\n }\n });\n\n var ExportAsDialog = Class.extend({\n init: function(options) {\n this.options = extend(options, this.options, {\n fileFormats: [{\n description: options.messages.dialogs.exportAsDialog.png,\n extension: EXTENSIONS.png\n }, {\n description: options.messages.dialogs.exportAsDialog.svg,\n extension: EXTENSIONS.svg\n }],\n title: options.messages.dialogs.exportAsDialog.title,\n open: function() {\n this.center();\n }\n });\n this._initializeDialog();\n return this;\n },\n options: {\n extension: EXTENSIONS.png,\n autoFocus: true,\n resizable: false,\n modal: {\n preventScroll: true\n },\n width: \"90%\",\n maxWidth: 520,\n template:\n \"
\" +\n \"
\" +\n \"\" +\n \"
\" +\n \"
\" +\n \"
\" +\n \"
\" +\n \"\" +\n \"
\" +\n \"
\" +\n \"
\" +\n \"
\" +\n \"\" +\n \"
\" +\n \"
\" +\n \"\" +\n \"\" +\n \"
\"\n },\n _updateModel: function(options) {\n if (options.pagesCount) {\n this.viewModel.set(\"pagesCount\", options.pagesCount);\n }\n if (options.page) {\n this.viewModel.set(\"page\", options.page);\n }\n },\n _initializeDialog: function() {\n var that = this;\n var options = that.options;\n var dialogMessages = options.messages.dialogs;\n var dialog = $(\"
\")\n .append(kendo.template(options.template)({\n total: options.pagesCount,\n messages: dialogMessages\n }))\n .kendoWindow(options)\n .getKendoWindow();\n\n that.viewModel = kendo.observable({\n title: dialogMessages.exportAsDialog.title,\n name: dialogMessages.exportAsDialog.defaultFileName,\n extension: options.extension,\n fileFormats: options.fileFormats,\n pagesCount: options.pagesCount,\n page: 1,\n apply: that.apply.bind(this),\n close: function() {\n dialog.close();\n }\n });\n\n that._dialog = dialog;\n\n kendo.bind(dialog.element, that.viewModel);\n return dialog;\n },\n open: function() {\n this._dialog.center().open();\n },\n apply: function() {\n this._dialog.close();\n this.options.apply({\n fileName: this.viewModel.name + this.viewModel.extension,\n extension: this.viewModel.extension,\n page: this.viewModel.page\n });\n }\n });\n\n var SearchDialog = Class.extend({\n init: function(options) {\n var that = this;\n that.options = extend({}, options, that.options);\n },\n options: {\n resizable: false,\n template: \"
\" +\n \"\" +\n \"\" +\n \"\" +\n \"\" +\n \"\" +\n \" #: messages.of # \" +\n \"\" +\n \"\" +\n \"\" +\n \"
\"\n },\n open: function() {\n var that = this;\n\n if (!that.dialog) {\n that._initializeDialog();\n }\n\n that.dialog.open();\n },\n _initializeDialog: function() {\n var that = this;\n var template = kendo.template(that.options.template);\n var dialogElm = $(\"
\").append(template({\n messages: that.options.messages\n }));\n var dialogOffset = {\n top: that.options.position.top + 16,\n left: that.options.position.left + 16\n };\n\n that.dialog = new kendo.ui.Window(dialogElm, extend({}, that.options, {\n autoFocus: false,\n title: false,\n position: { top: dialogOffset.top, left: dialogOffset.left },\n minHeight: 30,\n draggable: {\n dragHandle: \".k-search-dialog-draghandle\"\n },\n activate: function(ev) {\n ev.sender.element.find(\".k-search-dialog-input\").trigger(\"focus\");\n }\n }));\n\n that.searchModel = kendo.observable({\n boundValue: \"\",\n searchText: \"\",\n matchCase: false,\n matchIndex: 0,\n matches: 0,\n matchCaseClick: function() {\n this.set(\"matchCase\", !this.matchCase);\n },\n next: that.options.next,\n prev: that.options.prev,\n close: function() {\n this.set(\"boundValue\", \"\");\n that.dialog.close();\n },\n onKeyup: function(ev) {\n var key = ev.keyCode;\n var navigationFn = ev.shiftKey ? this.prev : this.next;\n\n if (key === keys.ENTER) {\n navigationFn();\n ev.preventDefault();\n }\n },\n onInput: function(ev) {\n this.set(\"searchText\", ev.target.value);\n }\n });\n\n kendo.bind(that.dialog.element, that.searchModel);\n }\n });\n\n extend(kendo.pdfviewer, {\n dialogs: {\n ErrorDialog: ErrorDialog,\n ExportAsDialog: ExportAsDialog,\n SearchDialog: SearchDialog\n }\n });\n })(window.kendo.jQuery);\n\n (function($, undefined$1) {\n var kendo = window.kendo,\n extend = $.extend,\n parseJSON = JSON.parse,\n progress = kendo.ui.progress,\n Class = kendo.Class,\n OPEN = \"open\",\n ZOOMSTART = \"zoomStart\",\n ZOOMEND = \"zoomEnd\";\n\n var Command = Class.extend({\n init: function(options) {\n this.options = options;\n this.viewer = options.viewer;\n this.errorMessages = this.viewer.options.messages.errorMessages;\n }\n });\n\n var OpenCommand = Command.extend({\n init: function(options) {\n Command.fn.init.call(this, options);\n this.upload = this.viewer.processor.upload;\n },\n exec: function() {\n (this.viewer._upload || this._initUpload()).element.click();\n },\n _initUpload: function() {\n var uploadOptions = {\n select: this._onSelect.bind(this),\n success: this._onSuccess.bind(this),\n error: this._onError.bind(this),\n complete: this._onComplete.bind(this),\n showFileList: false,\n multiple: false,\n validation: {\n allowedExtensions: [\".pdf\"]\n }\n };\n\n if (this.upload) {\n extend(uploadOptions, {\n async: {\n saveUrl: this.upload.url,\n autoUpload: true,\n saveField: this.upload.saveField\n }\n });\n }\n\n var upload = $('').kendoUpload(uploadOptions).getKendoUpload();\n this.viewer._upload = upload;\n\n return upload;\n },\n _onComplete: function() {\n progress(this.viewer.pageContainer, false);\n },\n _onSuccess: function(e) {\n var json = parseJSON(e.response);\n\n if ($.isPlainObject(json)) {\n this.viewer.processor.fromJSON(json);\n }\n else {\n this.viewer._triggerError({\n error: json,\n message: this.errorMessages.parseError\n });\n }\n },\n _onError: function(e) {\n this.viewer._triggerError({\n error: e.XMLHttpRequest.responseText,\n message: this.errorMessages.notSupported\n });\n },\n _onSelect: function(e) {\n var that = this;\n var fileToUpload = e.files[0];\n\n progress(that.viewer.pageContainer, true);\n\n if (that.viewer.trigger(OPEN, { file: fileToUpload }) || that.upload) {\n return;\n } else if (fileToUpload.extension.toLowerCase() !== \".pdf\") {\n that.viewer._triggerError({\n error: fileToUpload,\n message: that.errorMessages.notSupported\n });\n return;\n }\n\n var reader = new FileReader();\n reader.onload = function(e) {\n var document = e.target.result;\n that.viewer.fromFile(document);\n };\n reader.onerror = function() {\n that.viewer._triggerError({\n error: fileToUpload,\n message: that.errorMessages.parseError\n });\n };\n\n reader.readAsArrayBuffer(fileToUpload.rawFile);\n }\n });\n\n var PageChangeCommand = Command.extend({\n exec: function() {\n var pageNumber = this.options.value;\n\n this.viewer.activatePage(pageNumber);\n }\n });\n\n var DownloadCommand = Command.extend({\n exec: function() {\n if (!this.viewer.document) {\n this.viewer._triggerError({\n message: this.errorMessages.notFound\n });\n return;\n }\n\n var fileName = (this.viewer.document.info && this.viewer.document.info.title) ||\n this.viewer.options.messages.defaultFileName;\n\n this.viewer.processor.downloadFile(fileName);\n }\n });\n\n var ExportCommand = Command.extend({\n init: function(options) {\n options = $.extend(options, this.options);\n Command.fn.init.call(this, options);\n },\n exec: function() {\n var dialog = (this.viewer._saveDialog || this._initDialog());\n\n dialog._updateModel({\n pagesCount: (this.viewer.document && this.viewer.document.total) || 1,\n page: this.viewer.options.page\n });\n\n dialog.open();\n },\n apply: function(viewModel) {\n var extension = viewModel.extension;\n\n if (extension === \".png\") {\n this.viewer.exportImage(viewModel);\n } else if (extension === \".svg\") {\n this.viewer.exportSVG(viewModel);\n }\n },\n _initDialog: function() {\n this.viewer._saveDialog = new kendo.pdfviewer.dialogs.ExportAsDialog({\n apply: this.apply.bind(this),\n pagesCount: (this.viewer.document && this.viewer.document.total) || 1,\n messages: this.viewer.options.messages\n });\n return this.viewer._saveDialog;\n }\n });\n\n var EnableSelectionCommand = Command.extend({\n exec: function() {\n var that = this,\n viewer = that.viewer;\n\n viewer._toggleSelection(true);\n }\n });\n\n var EnablePanCommand = Command.extend({\n exec: function() {\n var that = this,\n viewer = that.viewer;\n\n viewer._toggleSelection(false);\n }\n });\n\n var OpenSearchCommand = Command.extend({\n init: function(options) {\n var that = this;\n\n that.viewer = options.viewer;\n\n if (!that.viewer.searchDialog) {\n that.viewer.searchDialog = new kendo.pdfviewer.dialogs.SearchDialog({\n position: {\n top: that.viewer.pageContainer.offset().top,\n left: that.viewer.pageContainer.offset().left\n },\n messages: that.viewer.options.messages.dialogs.search,\n open: that._open.bind(that),\n next: that._next.bind(that),\n prev: that._prev.bind(that),\n close: that._close.bind(that)\n });\n }\n\n Command.fn.init.call(that, options);\n },\n exec: function() {\n var that = this;\n\n that.viewer.searchDialog.open();\n },\n _open: function() {\n var that = this;\n\n that.changeHandler = that._change.bind(that);\n that.zoomStartHandler = that._closeDialog.bind(that);\n that.openFileHandler = that._closeDialog.bind(that);\n\n if (!that.viewer._searchDOM) {\n that.viewer._initSearchDOM();\n that.viewer.searchDialog.searchModel.bind(\"change\", that.changeHandler);\n that.viewer.bind(\"zoomStart\", that.zoomStartHandler);\n that.viewer.bind(\"open\", that.openFileHandler);\n }\n },\n _close: function() {\n var that = this;\n var searchEngine = that.viewer._searchDOM;\n\n that.viewer.searchDialog.searchModel.unbind(\"change\", that.changeHandler);\n that.viewer.unbind(\"zoomStart\", that.zoomStartHandler);\n that.viewer.unbind(\"open\", that.openFileHandler);\n searchEngine.destroy();\n delete that.viewer._searchDOM;\n that._updateSearchModel();\n },\n _change: function(ev) {\n var that = this;\n var searchEngine = that.viewer._searchDOM;\n var field = ev.field;\n var model = that.viewer.searchDialog.searchModel;\n var value = model[field];\n\n if (!searchEngine) {\n return;\n }\n\n switch (field) {\n case \"searchText\":\n searchEngine.search(value, model.matchCase);\n that._updateSearchModel();\n break;\n case \"matchCase\":\n searchEngine.search(model.searchText, value);\n that._updateSearchModel();\n break;\n default:\n break;\n }\n },\n _next: function() {\n var that = this;\n var searchEngine = that.viewer._searchDOM;\n\n if (searchEngine.matches && searchEngine.matches.length) {\n searchEngine.nextMatch();\n that._updateSearchModel();\n }\n },\n _prev: function() {\n var that = this;\n var searchEngine = that.viewer._searchDOM;\n\n if (searchEngine.matches && searchEngine.matches.length) {\n searchEngine.previousMatch();\n that._updateSearchModel();\n }\n },\n _updateSearchModel: function() {\n var that = this;\n var searchEngine = that.viewer._searchDOM;\n var model = that.viewer.searchDialog.searchModel;\n\n if (searchEngine) {\n model.set(\"matches\", searchEngine.matches.length);\n model.set(\"matchIndex\", searchEngine.getMarkedIndex());\n that._scrollToMark();\n } else {\n model.set(\"searchText\", \"\");\n model.set(\"matches\", 0);\n model.set(\"matchIndex\", 0);\n model.set(\"matchCase\", false);\n }\n },\n _scrollToMark: function() {\n var that = this;\n var searchEngine = that.viewer._searchDOM;\n var marked = searchEngine.getFirstMarked();\n var scroller = that.viewer._scroller;\n var position;\n\n if (!marked.length) {\n return;\n }\n\n position = marked.offset().top - scroller.scrollElement.offset().top - 100;\n\n scroller.scrollTo(scroller.scrollLeft, position * -1);\n },\n _closeDialog: function() {\n var that = this;\n that.viewer.searchDialog.dialog.close();\n }\n });\n\n var ZoomCommand = Command.extend({\n exec: function() {\n var that = this,\n options = that.options,\n viewer = that.viewer,\n scale = options.scale,\n loadedPagesHeight = 0,\n page = that.viewer._pageNum,\n containerHeight = viewer.pageContainer[0].clientHeight,\n updatedVisiblePagesCount = 1,\n renderTasks = [];\n\n if (viewer.processingLib === \"dpl\") {\n return;\n }\n\n scale = that._calculateZoom();\n\n var updateViewer = function() {\n var scroller = that.viewer._scroller,\n scrollingStarted = viewer._scrollingStarted;\n\n if (scroller && scroller.scrollTop > scroller.scrollHeight()) {\n scroller._resize();\n }\n\n if (!scrollingStarted)\n {\n viewer.activatePage(page);\n viewer._scrollingStarted = false;\n }\n };\n\n if (!scale) {\n return;\n }\n\n viewer.zoomScale = scale;\n viewer._scrollingStarted = false;\n\n if (viewer.pages) {\n viewer.pages.forEach(function(page) {\n var pageHeight;\n\n if (viewer._visiblePages.indexOf(page) !== -1 && page.loaded) {\n renderTasks.push(page.render(scale));\n\n pageHeight = page._page.getViewport({\n scale: scale\n }).height;\n }\n else {\n page.resize(scale);\n pageHeight = page.element.height();\n }\n\n loadedPagesHeight += pageHeight;\n\n if (loadedPagesHeight <= containerHeight) {\n updatedVisiblePagesCount++;\n }\n });\n\n\n if (viewer._visiblePagesCount != updatedVisiblePagesCount) {\n\n viewer._visiblePagesCount = updatedVisiblePagesCount;\n viewer._loadVisiblePages();\n }\n }\n\n Promise.all(renderTasks).then(function() {\n updateViewer();\n that._triggerZoomEnd(scale);\n }).catch(function() {\n updateViewer();\n that._triggerZoomEnd(scale);\n });\n },\n\n _calculateZoom: function() {\n var options = this.options,\n viewer = this.viewer,\n viewerOptions = viewer.options,\n pageContainer = viewer.pageContainer,\n visibleCanvas = viewer._visiblePages && viewer._visiblePages[0].canvas,\n calculatedDpr = (viewer._visiblePages && viewer._visiblePages[0]._dpr) || 2,\n scale = options.scale,\n scaleValue = scale,\n preventZoom;\n\n viewer._allowResize = false;\n viewer._autoFit = false;\n\n if (options.zoomIn) {\n scaleValue = scale = viewer.zoomScale + viewerOptions.zoomRate;\n } else if (options.zoomOut) {\n scaleValue = scale = viewer.zoomScale - viewerOptions.zoomRate;\n } else if (scale === \"auto\") {\n viewer._allowResize = true;\n scaleValue = viewer._autoZoomScale;\n } else if (scale === \"actual\") {\n scaleValue = 1;\n } else if (scale === \"fitToWidth\") {\n viewer._allowResize = true;\n viewer._autoFit = \"fitToWidth\";\n scaleValue = (pageContainer.width() / ((visibleCanvas.width / calculatedDpr) / viewer.zoomScale));\n } else if (scale === \"fitToPage\") {\n viewer._allowResize = true;\n viewer._autoFit = \"fitToPage\";\n scaleValue = (pageContainer.height() / ((visibleCanvas.height / calculatedDpr) / viewer.zoomScale));\n }\n\n preventZoom = scale < viewerOptions.zoomMin || scale > viewerOptions.zoomMax;\n\n if (preventZoom || viewer.trigger(ZOOMSTART, { scale: scale })) {\n return;\n }\n\n if (options.updateComboBox && viewer.toolbar)\n {\n viewer.toolbar._updateZoomComboBox(scale);\n }\n\n return scaleValue;\n },\n\n _triggerZoomEnd: function(scale) {\n var that = this,\n viewer = that.viewer;\n\n viewer.trigger(ZOOMEND, { scale: scale });\n }\n });\n\n var PrintCommand = Command.extend({\n init: function(options) {\n Command.fn.init.call(this, options);\n },\n exec: function() {\n var that = this;\n\n if (!that.viewer.document) {\n that.viewer._triggerError({\n message: this.errorMessages.notFound\n });\n return;\n }\n\n progress(that.viewer.pageContainer, true);\n that._renderPrintContainer();\n that._loadAllPages().then(that.processAfterRender.bind(that));\n },\n _renderPrintContainer: function() {\n this.printContainer = $(\"
\");\n },\n _loadAllPages: function() {\n var that = this;\n var pages = that.viewer.pages;\n var loadPromises = [];\n var renderPromises = [];\n var promise = $.Deferred();\n\n that._originalScale = that.viewer.zoom();\n\n function getRenderPromise(page) {\n renderPromises.push(page._renderPromise);\n }\n\n for (var i = 0; i < pages.length; i++) {\n loadPromises.push(pages[i].load(3, true).then(getRenderPromise));\n }\n\n Promise.all(loadPromises).then(function() {\n promise.resolve(renderPromises);\n });\n\n return promise;\n },\n processAfterRender: function(renderPromises) {\n var that = this;\n\n Promise.all(renderPromises).then(function() {\n that._renderPrintPages();\n setTimeout(function() {\n that._printDocument();\n that.viewer.zoom(that._originalScale);\n progress(that.viewer.pageContainer, false);\n delete that._originalScale;\n }, 0);\n });\n },\n _renderPrintPages: function() {\n var pages = this.viewer.pages;\n\n for (var i = 0; i < pages.length; i++) {\n this._renderPrintImage(pages[i]);\n }\n },\n _renderPrintImage: function(page) {\n var canvas = page.canvas;\n var div = $(\"
\");\n\n var img = \"\";\n\n div.append(img);\n\n this.printContainer.append(div);\n },\n _printDocument: function() {\n var that = this;\n var pages = that.viewer.pages;\n var width = pages[0].width;\n var height = pages[0].height;\n var myWindow = window.open('','','innerWidth=' + width + ',innerHeight=' + height + 'location=no,titlebar=no,toolbar=no');\n var browser = kendo.support.browser;\n\n if (!myWindow) {\n that.viewer._triggerError({\n message: that.errorMessages.popupBlocked\n });\n return;\n }\n\n myWindow.document.write(that.printContainer.html());\n myWindow.document.close();\n myWindow.focus();\n myWindow.print();\n\n if (!browser.chrome || browser.chromiumEdge) {\n myWindow.close();\n } else {\n $(myWindow.document).find(\"body\").on(\"mousemove\", function() {\n myWindow.close();\n });\n }\n }\n });\n\n extend(kendo.pdfviewer, {\n OpenCommand: OpenCommand,\n PageChangeCommand: PageChangeCommand,\n DownloadCommand: DownloadCommand,\n EnableSelectionCommand: EnableSelectionCommand,\n EnablePanCommand: EnablePanCommand,\n ExportCommand: ExportCommand,\n PrintCommand: PrintCommand,\n OpenSearchCommand: OpenSearchCommand,\n ZoomCommand: ZoomCommand\n });\n\n })(window.kendo.jQuery);\n\n var __meta__ = {\n id: \"pdfviewer\",\n name: \"PDFViewer\",\n category: \"web\",\n description: \"PDFViewer to display pdfs in the browser\",\n depends: [\"core\", \"window\", \"dialog\", \"toolbar\", \"mobile.scroller\", \"upload\", \"combobox\", \"drawing\", \"binder\", \"dropdownlist\", \"numerictextbox\"]\n };\n\n (function($, undefined$1) {\n var NS = \".kendoPDFViewer\",\n kendo = window.kendo,\n ui = kendo.ui,\n extend = $.extend,\n drawing = kendo.drawing,\n keys = $.extend({ PLUS: 187, MINUS: 189, ZERO: 48, NUMPAD_ZERO: 96 }, kendo.keys),\n Page,\n Widget = ui.Widget,\n progress = kendo.ui.progress,\n SCROLL = \"scroll\",\n RENDER = \"render\",\n OPEN = \"open\",\n ERROR = \"error\",\n FOCUS = \"focus\" + NS,\n KEYDOWN = \"keydown\" + NS,\n MOUSEWHEEL = \"DOMMouseScroll\" + NS + \" mousewheel\" + NS,\n UPDATE = \"update\",\n ZOOM_SCALE = 1.25,\n PAGE_CHANGE = \"pagechange\",\n ZOOMSTART = \"zoomStart\",\n ZOOMEND = \"zoomEnd\",\n ZOOMCOMMAND = \"ZoomCommand\",\n WHITECOLOR = \"#ffffff\",\n TABINDEX = \"tabindex\",\n PROCESSORS = {\n pdfjs: \"pdfjs\",\n dpl: \"dpl\"\n },\n styles = {\n viewer: \"k-pdf-viewer k-widget\",\n scroller: \"k-canvas k-list-scroller\",\n enableTextSelection: \"k-enable-text-select\",\n enablePanning: \"k-enable-panning\",\n highlightClass: \"k-search-highlight\",\n charClass: \"k-text-char\"\n };\n\n var PDFViewer = Widget.extend({\n init: function(element, options) {\n var that = this;\n\n Widget.fn.init.call(that, element, kendo.deepExtend({}, this.options, options));\n\n that._wrapper();\n\n if (that.options.toolbar) {\n that._renderToolbar();\n }\n\n that._initProcessor(options || {});\n that._renderPageContainer();\n that._loadDocument();\n\n that._tabindex();\n kendo.notify(that, kendo.ui);\n },\n\n events: [\n RENDER,\n OPEN,\n ERROR,\n ZOOMSTART,\n ZOOMEND\n ],\n\n options: {\n name: \"PDFViewer\",\n view: {\n type: \"canvas\"\n },\n pdfjsProcessing: {\n file: null\n },\n dplProcessing: {\n read: {\n url: null,\n type: \"GET\",\n dataType: \"json\",\n pageField: \"pageNumber\"\n },\n upload: {\n url: null,\n saveField: \"file\"\n },\n download: {\n url: null\n },\n loadOnDemand: false\n },\n toolbar: {\n items: []\n },\n width: 1000,\n height: 1200,\n page: 1,\n defaultPageSize: {\n width: 794,\n height: 1123\n },\n scale: null,\n zoomMin: 0.5,\n zoomMax: 4,\n zoomRate: 0.25,\n messages: {\n defaultFileName: \"Document\",\n toolbar: {\n zoom: {\n zoomLevel: \"zoom level\",\n zoomOut: \"Zoom Out\",\n zoomIn: \"Zoom In\",\n actualWidth: \"Actual Width\",\n autoWidth: \"Automatic Width\",\n fitToWidth: \"Fit to Width\",\n fitToPage: \"Fit to Page\"\n },\n open: \"Open\",\n exportAs: \"Export\",\n download: \"Download\",\n pager: {\n first: \"Go to the first page\",\n previous: \"Go to the previous page\",\n next: \"Go to the next page\",\n last: \"Go to the last page\",\n of: \" of {0} \",\n page: \"page\",\n pages: \"pages\"\n },\n print: \"Print\",\n toggleSelection: \"Enable Selection\",\n togglePan: \"Enable Panning\",\n search: \"Search\"\n },\n errorMessages: {\n notSupported: \"Only pdf files allowed.\",\n parseError: \"PDF file fails to process.\",\n notFound: \"File is not found.\",\n popupBlocked: \"Popup is blocked.\"\n },\n dialogs: {\n exportAsDialog: {\n title: \"Export...\",\n defaultFileName: \"Document\",\n pdf: \"Portable Document Format (.pdf)\",\n png: \"Portable Network Graphics (.png)\",\n svg: \"Scalable Vector Graphics (.svg)\",\n labels: {\n fileName: \"File name\",\n saveAsType: \"Save as\",\n page: \"Page\"\n }\n },\n okText: \"OK\",\n save: \"Save\",\n cancel: \"Cancel\",\n search: {\n inputLabel: \"Search Text\",\n matchCase: \"Match Case\",\n next: \"Next Match\",\n previous: \"Previous Match\",\n close: \"Close\",\n of: \"of\"\n }\n }\n }\n },\n\n _wrapper: function() {\n var that = this,\n options = that.options;\n\n that.wrapper = that.element;\n\n that.wrapper\n .width(options.width)\n .height(options.height)\n .addClass(styles.viewer)\n .on(FOCUS, that._focus.bind(that))\n .on(KEYDOWN, that._keydown.bind(that));\n\n that._allowResize = that.options.scale === null;\n that._autoZoomScale = ZOOM_SCALE;\n that.zoomScale = that.options.scale || that._autoZoomScale;\n\n that._resizeHandler = kendo.onResize(function() {\n that.resize();\n });\n\n that._pageNum = that.options.page;\n },\n\n _focus: function(e) {\n if (this.toolbar) {\n this.toolbar.wrapper.trigger(\"focus\");\n } else {\n this.pageContainer.trigger(\"focus\");\n }\n e.preventDefault();\n },\n\n _keydown: function(e) {\n var plusShortcuts = [keys.PLUS, keys.NUMPAD_PLUS],\n minusShortcuts = [keys.MINUS, keys.NUMPAD_MINUS],\n zeroShortcuts = [keys.ZERO, keys.NUMPAD_ZERO],\n shouldExecute = false,\n args = {\n command: ZOOMCOMMAND,\n options: { updateComboBox: true }\n };\n\n if (!e.ctrlKey || this._blankPage || this.processingLib === PROCESSORS.dpl) {\n return;\n }\n\n if (plusShortcuts.includes(e.keyCode)) {\n args.options.zoomIn = true;\n shouldExecute = true;\n } else if (minusShortcuts.includes(e.keyCode)) {\n args.options.zoomOut = true;\n shouldExecute = true;\n } else if (zeroShortcuts.includes(e.keyCode)) {\n args.options.scale = ZOOM_SCALE;\n shouldExecute = true;\n }\n\n if (shouldExecute) {\n this.execute(args);\n e.preventDefault();\n }\n },\n\n _initProcessor: function(options) {\n var that = this,\n processingOptions;\n\n processingOptions = options.dplProcessing ? that.options.dplProcessing : that.options.pdfjsProcessing;\n that.processingLib = options.dplProcessing ? PROCESSORS.dpl : PROCESSORS.pdfjs;\n\n that.processor = new kendo.pdfviewer[that.processingLib].processor(processingOptions, that);\n Page = kendo.pdfviewer[that.processingLib].Page;\n },\n\n _renderToolbar: function() {\n var that = this,\n options = that.options;\n\n var toolbarOptions = {\n pager: {\n messages: options.messages.toolbar.pager\n },\n scale: options.scale,\n resizable: true,\n items: options.toolbar.items,\n width: options.width,\n action: that.execute.bind(that),\n messages: options.messages.toolbar,\n viewer: this\n };\n\n var toolbarElement = $(\"
\");\n toolbarElement.appendTo(that.element);\n that.toolbar = new kendo.pdfviewer.Toolbar(toolbarElement, toolbarOptions);\n },\n\n _initErrorDialog: function(options) {\n var that = this;\n\n if (!that._errorDialog) {\n options = extend(options, {\n messages: that.options.messages\n });\n var dialogInstance = new kendo.pdfviewer.dialogs.ErrorDialog(options);\n that._errorDialog = dialogInstance._dialog;\n }\n return that._errorDialog;\n },\n\n _renderPageContainer: function() {\n var that = this;\n\n if (!that.pageContainer) {\n that.pageContainer = $(\"
\");\n that.pageContainer.addClass(styles.scroller);\n that.pageContainer.attr(TABINDEX, 0);\n that.wrapper.append(that.pageContainer);\n }\n },\n\n _triggerError: function(options) {\n var dialog = this._initErrorDialog();\n extend(options, {\n dialog: dialog\n });\n if (this.pageContainer) {\n progress(this.pageContainer, false);\n }\n\n if (this.trigger(ERROR, options))\n {\n return;\n }\n\n dialog.open().content(options.message);\n },\n\n _renderPages: function() {\n var that = this,\n document = that.document,\n pagesData;\n\n that.pages = [];\n\n if (!document || !document.total) {\n that._renderBlankPage();\n return;\n }\n\n pagesData = document.pages;\n\n for (var i = 1; i <= document.total; i++) {\n var viewerPage,\n pageData = {\n processor: that.processor,\n number: i\n };\n\n if (pagesData && pagesData.length) {\n pageData = extend(pageData, pagesData[i - 1]);\n }\n\n viewerPage = new Page(pageData, that);\n that.pages.push(viewerPage);\n that.pageContainer.append(viewerPage.element);\n }\n\n that._attachContainerEvents();\n that._getVisiblePagesCount();\n },\n\n _renderBlankPage: function() {\n this._blankPage = new Page(this.options.defaultPageSize, this);\n\n this.pageContainer.append(this._blankPage.element);\n\n this.trigger(UPDATE, { isBlank: true });\n },\n\n _resize: function() {\n var that = this,\n containerWidth,\n ratio;\n\n if (!that._allowResize) {\n return;\n }\n\n if (!that.pages || !that.pages.length) {\n if (that._blankPage) {\n ratio = containerWidth / that._blankPage.element.width();\n that._blankPage.resize(ratio);\n }\n return;\n }\n\n if (that.toolbar) {\n that.toolbar.resize(true);\n }\n\n if (that._resizeHandler) {\n clearTimeout(that._resizeHandler);\n }\n that._resizeHandler = setTimeout(that._resizePages.bind(that), 100);\n },\n\n _resizePages: function() {\n var that = this,\n containerWidth = that.pageContainer[0].clientWidth,\n ratio = 0;\n\n that.pages.forEach(function(page) {\n var currentRatio = containerWidth / page.element.width();\n\n if (currentRatio > ratio) {\n ratio = currentRatio;\n }\n });\n\n if (that._autoFit) {\n that.zoom(that._autoFit, true);\n return;\n }\n\n ratio = Math.min(Math.max(ratio, that.options.zoomMin), ZOOM_SCALE);\n if (ratio != that.zoomScale) {\n that.zoom(ratio, true);\n that.zoomScale = ratio;\n that._allowResize = true;\n }\n },\n\n _attachContainerEvents: function() {\n var that = this;\n\n that._wheel = kendo.throttle(\n that._wheel.bind(that),\n 300\n );\n\n if (that.processingLib !== PROCESSORS.dpl) {\n that.pageContainer.on(MOUSEWHEEL, function(e) {\n if (!e.ctrlKey) {\n return;\n }\n\n if (document.activeElement !== that.pageContainer[0]) {\n that.pageContainer.trigger(\"focus\");\n }\n\n that._wheel(e);\n e.preventDefault();\n });\n }\n\n that._scroller = new kendo.mobile.ui.Scroller(that.pageContainer, {\n zoom: false,\n elastic: true\n });\n\n that._scroller.scrollElement.addClass(styles.enablePanning);\n that._scroller.bind(SCROLL, that._scroll.bind(this));\n },\n\n _scroll: function(e) {\n var that = this,\n containerScrollHeight = that.pageContainer[0].scrollHeight,\n containerHeight = that.pageContainer.height(),\n containerScrollTop = e.scrollTop,\n containerOffsetTop = that.pageContainer.offset().top,\n total = that.pages.length,\n pageNum = that._pageNum,\n pageIndex = pageNum - 1,\n pageToLoadNum = pageNum,\n pageToLoad,\n currentPage, currentPageTop, currentPageHeight,\n previousPage, prevPageTop, prevPageHeight,\n scrollDirection = containerScrollTop - that._prevScrollTop > 0 ? 1 : -1;\n\n if (that._preventScroll || !total) {\n that._preventScroll = false;\n return;\n }\n\n that._scrollingStarted = true;\n\n currentPage = that.pages[pageIndex];\n currentPageTop = currentPage.element.offset().top - containerOffsetTop;\n currentPageHeight = currentPage.element.height();\n\n if (scrollDirection == -1 && that.pages[pageIndex + scrollDirection]) {\n previousPage = that.pages[pageIndex - that._visiblePagesCount] || that.pages[pageIndex + scrollDirection];\n prevPageTop = previousPage.element.offset().top - containerOffsetTop;\n prevPageHeight = previousPage.element.height();\n }\n\n if (Math.abs(containerScrollTop - (that._prevScrollTop || 0)) > containerHeight * that.zoomScale) {\n pageToLoadNum = Math.floor(containerScrollTop * (1 / (containerScrollHeight / total))) + 1;\n } else if (currentPageTop < 0 && Math.abs(currentPageTop) >= currentPageHeight / 2 && scrollDirection === 1) {\n pageToLoadNum++;\n } else if (previousPage && Math.abs(prevPageTop) <= prevPageHeight / 2) {\n pageToLoadNum--;\n }\n\n if (pageNum !== pageToLoadNum && pageToLoadNum >= 1 && pageToLoadNum <= total) {\n pageToLoad = that.pages[pageToLoadNum - 1].element;\n\n if (pageToLoad.offset().top > containerHeight) {\n return;\n }\n\n that._pageNum = pageToLoadNum;\n that._loadVisiblePages();\n\n that.trigger(UPDATE, { action: PAGE_CHANGE, page: pageToLoadNum, total: total });\n }\n\n that._prevScrollTop = containerScrollTop;\n },\n\n _wheel: function(e) {\n var originalEvent = e.originalEvent,\n delta = originalEvent.wheelDelta ? -originalEvent.wheelDelta : originalEvent.detail,\n zoomIn = delta < 0;\n\n this.execute({\n command: ZOOMCOMMAND,\n options: {\n zoomIn: zoomIn,\n zoomOut: !zoomIn,\n updateComboBox: true\n }\n });\n\n e.preventDefault();\n },\n\n zoom: function(scale, preventComboBoxChange) {\n var that = this;\n if (!scale) {\n return that.zoomScale;\n }\n\n return that.execute({\n command: ZOOMCOMMAND,\n options: {\n scale: scale,\n updateComboBox: !preventComboBoxChange\n }\n });\n },\n\n execute: function(options) {\n var commandOptions = extend({ viewer: this }, options.options);\n var command = new kendo.pdfviewer[options.command](commandOptions);\n return command.exec();\n },\n\n _loadDocument: function() {\n var that = this;\n var page = that.options.page;\n\n progress(that.pageContainer, true);\n that.processor.fetchDocument().done(function(document) {\n that._clearPages();\n that.document = document;\n\n that._renderPages();\n that.resize(true);\n\n if (document) {\n page = page >= 1 && page <= document.total ? page : 1;\n that.activatePage(page);\n }\n\n progress(that.pageContainer, false);\n });\n },\n\n loadPage: function(number) {\n var page = this.pages && this.pages[number - 1];\n\n if (page) {\n return page.load(this.zoomScale);\n }\n },\n\n activatePage: function(number) {\n var page = this.pages && this.pages[number - 1],\n scroller = this._scroller,\n scrollerTopPosition,\n scrollerTopOffset,\n pageTopOffset,\n pageMargin;\n\n if (!page) {\n return;\n }\n\n scrollerTopPosition = scroller.scrollTop;\n scrollerTopOffset = scroller.element.offset().top;\n pageTopOffset = page.element.offset().top;\n pageMargin = !this._autoFit ? parseInt(page.element.css(\"marginTop\"), 10) : 0;\n\n this._pageNum = number;\n this._loadVisiblePages();\n\n this._preventScroll = true;\n\n this._scroller.scrollTo(0, -scrollerTopPosition - pageTopOffset + scrollerTopOffset + pageMargin);\n this.trigger(UPDATE, { action: PAGE_CHANGE, page: number, total: this.pages.length });\n },\n\n _getVisiblePagesCount: function() {\n var that = this,\n loadedPagesHeight = 0,\n updatedVisiblePagesCount = 0,\n containerHeight = that.pageContainer[0].clientHeight,\n index = 0;\n\n while (loadedPagesHeight <= containerHeight && index < that.pages.length)\n {\n loadedPagesHeight += that.pages[index].element.height();\n updatedVisiblePagesCount++;\n index++;\n }\n\n that._visiblePagesCount = updatedVisiblePagesCount;\n },\n\n _loadVisiblePages: function() {\n var pagesCount = this.pages && this.pages.length,\n minVisiblePageNum = Math.max(this._pageNum - this._visiblePagesCount, 1),\n maxVisiblePageNum = Math.min(this._pageNum + this._visiblePagesCount, pagesCount);\n\n this._visiblePages = this.pages.slice(minVisiblePageNum - 1, maxVisiblePageNum);\n\n for (var i = minVisiblePageNum; i <= maxVisiblePageNum; i++)\n {\n this.loadPage(i);\n }\n },\n\n _loadAllPages: function() {\n var pagesCount = this.pages && this.pages.length;\n var promises = [];\n\n for (var i = 0; i <= pagesCount; i++)\n {\n promises.push(this.loadPage(i));\n }\n\n return promises;\n },\n\n fromFile: function(file) {\n this.zoomScale = this.options.scale || ZOOM_SCALE;\n this.zoom(this.zoomScale, true);\n this.trigger(UPDATE, { action: \"zoom\", zoom: this.options.scale || \"auto\" });\n\n this.processor._updateDocument(file);\n this._loadDocument();\n },\n\n exportImage: function(options) {\n var that = this;\n var pageNumber = options.page;\n var page = that.pages[pageNumber - 1] || that._blankPage;\n var rootGroup = new drawing.Group();\n\n page.load();\n\n var background = kendo.drawing.Path.fromRect(new kendo.geometry.Rect([0, 0], [page.width, page.height]), {\n fill: {\n color: WHITECOLOR\n },\n stroke: null\n });\n\n progress(that.pageContainer, true);\n rootGroup.append(background, page.group);\n\n drawing.exportImage(rootGroup).done(function(data) {\n progress(that.pageContainer, false);\n kendo.saveAs({\n dataURI: data,\n fileName: options.fileName,\n proxyURL: options.proxyURL || \"\",\n forceProxy: options.forceProxy,\n proxyTarget: options.proxyTarget\n });\n });\n },\n\n exportSVG: function(options) {\n var that = this;\n var pageNumber = options.page;\n var page = that.pages[pageNumber - 1] || that._blankPage;\n\n progress(that.pageContainer, true);\n\n page.load();\n\n drawing.exportSVG(page.group).done(function(data) {\n progress(that.pageContainer, false);\n kendo.saveAs({\n dataURI: data,\n fileName: options.fileName,\n proxyURL: options.proxyURL || \"\",\n forceProxy: options.forceProxy,\n proxyTarget: options.proxyTarget\n });\n });\n },\n\n setOptions: function(options)\n {\n var that = this;\n\n if (options.pdfjsProcessing || options.dplProcessing) {\n that._initProcessor(options || {});\n }\n\n options = $.extend(that.options, options);\n\n Widget.fn.setOptions.call(that, options);\n\n if (options.page) {\n that._pageNum = options.page;\n that.activatePage(options.page);\n }\n\n if (options.width) {\n that.element.width(options.width);\n }\n\n if (options.height) {\n that.element.height(options.height);\n }\n },\n\n destroy: function()\n {\n if (this._resizeHandler)\n {\n kendo.unbindResize(this._resizeHandler);\n }\n\n //destroy nested components\n if (this._errorDialog) {\n this._errorDialog.destroy();\n }\n\n if (this._saveDialog) {\n this._saveDialog.destroy();\n }\n\n if (this._upload) {\n this._upload.destroy();\n }\n\n if (this.toolbar) {\n this.toolbar.unbind();\n this.toolbar.destroy();\n this.toolbar = null;\n }\n\n if (this.pages && this.pages.length) {\n this.pages.forEach(function(page) {\n page.destroy();\n });\n this.pages = [];\n }\n\n if (this._scroller) {\n this._scroller.unbind();\n this._scroller.destroy();\n }\n this.pageContainer.off(NS);\n\n Widget.fn.destroy.call(this);\n },\n\n _clearPages: function() {\n this.pages = [];\n this.document = null;\n this._pageNum = 1;\n\n this.pageContainer.off(NS);\n this.pageContainer.empty();\n\n if (this._scroller)\n {\n this._scroller.reset();\n this._scroller.unbind();\n this._scroller.destroy();\n }\n },\n\n _toggleSelection: function(enable) {\n var that = this;\n\n if (enable === undefined$1) {\n enable = true;\n }\n\n that._scroller.userEvents._shouldNotMove = enable;\n\n that._scroller.scrollElement.toggleClass(styles.enableTextSelection, enable);\n that._scroller.scrollElement.toggleClass(styles.enablePanning, !enable);\n },\n\n\n _initSearchDOM: function() {\n var that = this;\n var promise = new Promise(function(resolve) {\n Promise.all(that._loadAllPages()).then(function() {\n that._searchDOM = new kendo.pdfviewer.SearchDOM({\n target: that._getTextLayers(),\n highlightClass: styles.highlightClass,\n charClass: styles.charClass\n });\n\n resolve();\n });\n });\n\n return promise;\n },\n\n _getTextLayers: function() {\n return this.pages.map(function(page) {\n return page.textLayer;\n });\n }\n });\n\n ui.plugin(PDFViewer);\n })(window.kendo.jQuery);\n\n}));\n"]}