Convert the attachments/outline view to ES6 syntax
This commit is contained in:
Tim van der Meij
parent
0e8f020e2e
commit
93520172f6
@ -30,16 +30,13 @@ import {
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* @property {Array|null} attachments - An array of attachment objects.
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*/
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/**
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* @class
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*/
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var PDFAttachmentViewer = (function PDFAttachmentViewerClosure() {
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class PDFAttachmentViewer {
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/**
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* @constructs PDFAttachmentViewer
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* @param {PDFAttachmentViewerOptions} options
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*/
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function PDFAttachmentViewer(options) {
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constructor(options) {
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this.attachments = null;
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this.container = options.container;
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this.eventBus = options.eventBus;
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this.downloadManager = options.downloadManager;
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@ -49,152 +46,145 @@ var PDFAttachmentViewer = (function PDFAttachmentViewerClosure() {
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this._appendAttachment.bind(this));
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}
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PDFAttachmentViewer.prototype = {
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reset: function PDFAttachmentViewer_reset(keepRenderedCapability) {
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this.attachments = null;
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reset(keepRenderedCapability = false) {
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this.attachments = null;
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// Remove the attachments from the DOM.
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this.container.textContent = '';
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// Remove the attachments from the DOM.
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this.container.textContent = '';
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if (!keepRenderedCapability) {
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// NOTE: The *only* situation in which the `_renderedCapability` should
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// not be replaced is when appending file attachment annotations.
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this._renderedCapability = createPromiseCapability();
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if (!keepRenderedCapability) {
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// NOTE: The *only* situation in which the `_renderedCapability` should
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// not be replaced is when appending file attachment annotations.
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this._renderedCapability = createPromiseCapability();
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}
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}
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/**
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* @private
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*/
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_dispatchEvent(attachmentsCount) {
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this.eventBus.dispatch('attachmentsloaded', {
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source: this,
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attachmentsCount,
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});
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this._renderedCapability.resolve();
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}
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/**
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* @private
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*/
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_bindPdfLink(button, content, filename) {
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if (PDFJS.disableCreateObjectURL) {
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throw new Error('bindPdfLink: ' +
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'Unsupported "PDFJS.disableCreateObjectURL" value.');
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}
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var blobUrl;
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button.onclick = function() {
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if (!blobUrl) {
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blobUrl = createObjectURL(content, 'application/pdf');
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}
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},
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/**
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* @private
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*/
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_dispatchEvent:
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function PDFAttachmentViewer_dispatchEvent(attachmentsCount) {
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this.eventBus.dispatch('attachmentsloaded', {
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source: this,
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attachmentsCount: attachmentsCount,
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});
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this._renderedCapability.resolve();
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},
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/**
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* @private
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*/
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_bindPdfLink(button, content, filename) {
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if (PDFJS.disableCreateObjectURL) {
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throw new Error('bindPdfLink: ' +
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'Unsupported "PDFJS.disableCreateObjectURL" value.');
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var viewerUrl;
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if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
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// The current URL is the viewer, let's use it and append the file.
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viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename);
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} else if (PDFJSDev.test('CHROME')) {
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// In the Chrome extension, the URL is rewritten using the history API
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// in viewer.js, so an absolute URL must be generated.
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// eslint-disable-next-line no-undef
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viewerUrl = chrome.runtime.getURL('/content/web/viewer.html') +
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'?file=' + encodeURIComponent(blobUrl + '#' + filename);
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} else if (PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
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// Let Firefox's content handler catch the URL and display the PDF.
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viewerUrl = blobUrl + '?' + encodeURIComponent(filename);
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}
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var blobUrl;
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button.onclick = function() {
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if (!blobUrl) {
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blobUrl = createObjectURL(content, 'application/pdf');
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}
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var viewerUrl;
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if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
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// The current URL is the viewer, let's use it and append the file.
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viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename);
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} else if (PDFJSDev.test('CHROME')) {
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// In the Chrome extension, the URL is rewritten using the history API
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// in viewer.js, so an absolute URL must be generated.
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// eslint-disable-next-line no-undef
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viewerUrl = chrome.runtime.getURL('/content/web/viewer.html') +
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'?file=' + encodeURIComponent(blobUrl + '#' + filename);
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} else if (PDFJSDev.test('FIREFOX || MOZCENTRAL')) {
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// Let Firefox's content handler catch the URL and display the PDF.
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viewerUrl = blobUrl + '?' + encodeURIComponent(filename);
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}
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window.open(viewerUrl);
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return false;
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};
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},
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window.open(viewerUrl);
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return false;
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};
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}
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/**
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* @private
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*/
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_bindLink:
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function PDFAttachmentViewer_bindLink(button, content, filename) {
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button.onclick = function downloadFile(e) {
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this.downloadManager.downloadData(content, filename, '');
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return false;
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}.bind(this);
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},
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/**
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* @private
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*/
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_bindLink(button, content, filename) {
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button.onclick = () => {
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this.downloadManager.downloadData(content, filename, '');
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return false;
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};
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}
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/**
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* @param {PDFAttachmentViewerRenderParameters} params
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*/
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render: function PDFAttachmentViewer_render(params) {
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params = params || {};
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var attachments = params.attachments || null;
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var attachmentsCount = 0;
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/**
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* @param {PDFAttachmentViewerRenderParameters} params
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*/
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render(params = {}) {
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var attachments = params.attachments || null;
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var attachmentsCount = 0;
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if (this.attachments) {
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var keepRenderedCapability = params.keepRenderedCapability === true;
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this.reset(keepRenderedCapability);
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if (this.attachments) {
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var keepRenderedCapability = params.keepRenderedCapability === true;
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this.reset(keepRenderedCapability);
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}
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this.attachments = attachments;
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if (!attachments) {
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this._dispatchEvent(attachmentsCount);
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return;
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}
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var names = Object.keys(attachments).sort(function(a, b) {
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return a.toLowerCase().localeCompare(b.toLowerCase());
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});
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attachmentsCount = names.length;
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for (var i = 0; i < attachmentsCount; i++) {
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var item = attachments[names[i]];
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var filename = removeNullCharacters(getFilenameFromUrl(item.filename));
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var div = document.createElement('div');
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div.className = 'attachmentsItem';
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var button = document.createElement('button');
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button.textContent = filename;
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if (/\.pdf$/i.test(filename) && !PDFJS.disableCreateObjectURL) {
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this._bindPdfLink(button, item.content, filename);
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} else {
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this._bindLink(button, item.content, filename);
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}
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this.attachments = attachments;
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div.appendChild(button);
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this.container.appendChild(div);
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}
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this._dispatchEvent(attachmentsCount);
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}
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/**
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* Used to append FileAttachment annotations to the sidebar.
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* @private
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*/
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_appendAttachment(item) {
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this._renderedCapability.promise.then(function (id, filename, content) {
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var attachments = this.attachments;
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if (!attachments) {
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this._dispatchEvent(attachmentsCount);
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return;
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}
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var names = Object.keys(attachments).sort(function(a, b) {
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return a.toLowerCase().localeCompare(b.toLowerCase());
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});
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attachmentsCount = names.length;
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for (var i = 0; i < attachmentsCount; i++) {
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var item = attachments[names[i]];
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var filename = removeNullCharacters(getFilenameFromUrl(item.filename));
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var div = document.createElement('div');
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div.className = 'attachmentsItem';
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var button = document.createElement('button');
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button.textContent = filename;
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if (/\.pdf$/i.test(filename) && !PDFJS.disableCreateObjectURL) {
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this._bindPdfLink(button, item.content, filename);
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} else {
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this._bindLink(button, item.content, filename);
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}
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div.appendChild(button);
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this.container.appendChild(div);
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}
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this._dispatchEvent(attachmentsCount);
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},
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/**
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* Used to append FileAttachment annotations to the sidebar.
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* @private
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*/
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_appendAttachment: function PDFAttachmentViewer_appendAttachment(item) {
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this._renderedCapability.promise.then(function (id, filename, content) {
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var attachments = this.attachments;
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if (!attachments) {
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attachments = Object.create(null);
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} else {
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for (var name in attachments) {
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if (id === name) {
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return; // Ignore the new attachment if it already exists.
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}
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attachments = Object.create(null);
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} else {
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for (var name in attachments) {
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if (id === name) {
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return; // Ignore the new attachment if it already exists.
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}
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}
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attachments[id] = {
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filename: filename,
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content: content,
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};
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this.render({
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attachments: attachments,
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keepRenderedCapability: true,
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});
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}.bind(this, item.id, item.filename, item.content));
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},
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};
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return PDFAttachmentViewer;
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})();
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}
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attachments[id] = {
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filename,
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content,
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};
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this.render({
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attachments,
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keepRenderedCapability: true,
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});
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}.bind(this, item.id, item.filename, item.content));
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}
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}
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export {
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PDFAttachmentViewer,
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@ -17,7 +17,7 @@ import {
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addLinkAttributes, PDFJS, removeNullCharacters
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} from './pdfjs';
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var DEFAULT_TITLE = '\u2013';
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const DEFAULT_TITLE = '\u2013';
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/**
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* @typedef {Object} PDFOutlineViewerOptions
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@ -31,194 +31,187 @@ var DEFAULT_TITLE = '\u2013';
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* @property {Array|null} outline - An array of outline objects.
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*/
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/**
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* @class
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*/
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var PDFOutlineViewer = (function PDFOutlineViewerClosure() {
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class PDFOutlineViewer {
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/**
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* @constructs PDFOutlineViewer
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* @param {PDFOutlineViewerOptions} options
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*/
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function PDFOutlineViewer(options) {
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constructor(options) {
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this.outline = null;
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this.lastToggleIsShow = true;
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this.container = options.container;
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this.linkService = options.linkService;
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this.eventBus = options.eventBus;
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}
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PDFOutlineViewer.prototype = {
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reset: function PDFOutlineViewer_reset() {
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this.outline = null;
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this.lastToggleIsShow = true;
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reset() {
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this.outline = null;
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this.lastToggleIsShow = true;
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// Remove the outline from the DOM.
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this.container.textContent = '';
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// Ensure that the left (right in RTL locales) margin is always reset,
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// to prevent incorrect outline alignment if a new document is opened.
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this.container.classList.remove('outlineWithDeepNesting');
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},
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// Remove the outline from the DOM.
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this.container.textContent = '';
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/**
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* @private
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*/
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_dispatchEvent: function PDFOutlineViewer_dispatchEvent(outlineCount) {
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this.eventBus.dispatch('outlineloaded', {
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source: this,
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outlineCount: outlineCount
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// Ensure that the left (right in RTL locales) margin is always reset,
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// to prevent incorrect outline alignment if a new document is opened.
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this.container.classList.remove('outlineWithDeepNesting');
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}
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/**
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* @private
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*/
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_dispatchEvent(outlineCount) {
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this.eventBus.dispatch('outlineloaded', {
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source: this,
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outlineCount,
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});
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}
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/**
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* @private
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*/
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_bindLink(element, item) {
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if (item.url) {
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addLinkAttributes(element, {
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url: item.url,
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target: (item.newWindow ? PDFJS.LinkTarget.BLANK : undefined),
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});
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},
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/**
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* @private
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*/
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_bindLink: function PDFOutlineViewer_bindLink(element, item) {
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if (item.url) {
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addLinkAttributes(element, {
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url: item.url,
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target: (item.newWindow ? PDFJS.LinkTarget.BLANK : undefined),
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});
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return;
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}
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var self = this, destination = item.dest;
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element.href = self.linkService.getDestinationHash(destination);
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element.onclick = function () {
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if (destination) {
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self.linkService.navigateTo(destination);
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}
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return false;
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};
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},
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/**
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* @private
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*/
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_setStyles: function PDFOutlineViewer_setStyles(element, item) {
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var styleStr = '';
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if (item.bold) {
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styleStr += 'font-weight: bold;';
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}
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if (item.italic) {
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styleStr += 'font-style: italic;';
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}
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if (styleStr) {
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element.setAttribute('style', styleStr);
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}
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},
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/**
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* Prepend a button before an outline item which allows the user to toggle
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* the visibility of all outline items at that level.
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*
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* @private
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*/
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_addToggleButton: function PDFOutlineViewer_addToggleButton(div) {
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var toggler = document.createElement('div');
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toggler.className = 'outlineItemToggler';
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toggler.onclick = function(event) {
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event.stopPropagation();
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toggler.classList.toggle('outlineItemsHidden');
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if (event.shiftKey) {
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var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
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this._toggleOutlineItem(div, shouldShowAll);
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}
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}.bind(this);
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div.insertBefore(toggler, div.firstChild);
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},
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/**
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* Toggle the visibility of the subtree of an outline item.
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*
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* @param {Element} root - the root of the outline (sub)tree.
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* @param {boolean} show - whether to show the outline (sub)tree. If false,
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* the outline subtree rooted at |root| will be collapsed.
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*
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* @private
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*/
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_toggleOutlineItem:
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function PDFOutlineViewer_toggleOutlineItem(root, show) {
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this.lastToggleIsShow = show;
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var togglers = root.querySelectorAll('.outlineItemToggler');
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for (var i = 0, ii = togglers.length; i < ii; ++i) {
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togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
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}
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},
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/**
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* Collapse or expand all subtrees of the outline.
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*/
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toggleOutlineTree: function PDFOutlineViewer_toggleOutlineTree() {
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if (!this.outline) {
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return;
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}
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this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
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},
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/**
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* @param {PDFOutlineViewerRenderParameters} params
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*/
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render: function PDFOutlineViewer_render(params) {
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var outline = (params && params.outline) || null;
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var outlineCount = 0;
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if (this.outline) {
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this.reset();
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}
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this.outline = outline;
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if (!outline) {
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this._dispatchEvent(outlineCount);
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return;
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}
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var fragment = document.createDocumentFragment();
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var queue = [{ parent: fragment, items: this.outline }];
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var hasAnyNesting = false;
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while (queue.length > 0) {
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var levelData = queue.shift();
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for (var i = 0, len = levelData.items.length; i < len; i++) {
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var item = levelData.items[i];
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var div = document.createElement('div');
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div.className = 'outlineItem';
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var element = document.createElement('a');
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this._bindLink(element, item);
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this._setStyles(element, item);
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element.textContent =
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removeNullCharacters(item.title) || DEFAULT_TITLE;
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div.appendChild(element);
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if (item.items.length > 0) {
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hasAnyNesting = true;
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this._addToggleButton(div);
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var itemsDiv = document.createElement('div');
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itemsDiv.className = 'outlineItems';
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div.appendChild(itemsDiv);
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||||
queue.push({ parent: itemsDiv, items: item.items });
|
||||
}
|
||||
|
||||
levelData.parent.appendChild(div);
|
||||
outlineCount++;
|
||||
}
|
||||
}
|
||||
if (hasAnyNesting) {
|
||||
this.container.classList.add('outlineWithDeepNesting');
|
||||
}
|
||||
|
||||
this.container.appendChild(fragment);
|
||||
|
||||
this._dispatchEvent(outlineCount);
|
||||
return;
|
||||
}
|
||||
};
|
||||
var destination = item.dest;
|
||||
|
||||
return PDFOutlineViewer;
|
||||
})();
|
||||
element.href = this.linkService.getDestinationHash(destination);
|
||||
element.onclick = () => {
|
||||
if (destination) {
|
||||
this.linkService.navigateTo(destination);
|
||||
}
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
_setStyles(element, item) {
|
||||
var styleStr = '';
|
||||
if (item.bold) {
|
||||
styleStr += 'font-weight: bold;';
|
||||
}
|
||||
if (item.italic) {
|
||||
styleStr += 'font-style: italic;';
|
||||
}
|
||||
|
||||
if (styleStr) {
|
||||
element.setAttribute('style', styleStr);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Prepend a button before an outline item which allows the user to toggle
|
||||
* the visibility of all outline items at that level.
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
_addToggleButton(div) {
|
||||
var toggler = document.createElement('div');
|
||||
toggler.className = 'outlineItemToggler';
|
||||
toggler.onclick = (evt) => {
|
||||
evt.stopPropagation();
|
||||
toggler.classList.toggle('outlineItemsHidden');
|
||||
|
||||
if (evt.shiftKey) {
|
||||
var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
|
||||
this._toggleOutlineItem(div, shouldShowAll);
|
||||
}
|
||||
};
|
||||
div.insertBefore(toggler, div.firstChild);
|
||||
}
|
||||
|
||||
/**
|
||||
* Toggle the visibility of the subtree of an outline item.
|
||||
*
|
||||
* @param {Element} root - the root of the outline (sub)tree.
|
||||
* @param {boolean} show - whether to show the outline (sub)tree. If false,
|
||||
* the outline subtree rooted at |root| will be collapsed.
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
_toggleOutlineItem(root, show) {
|
||||
this.lastToggleIsShow = show;
|
||||
var togglers = root.querySelectorAll('.outlineItemToggler');
|
||||
for (var i = 0, ii = togglers.length; i < ii; ++i) {
|
||||
togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Collapse or expand all subtrees of the outline.
|
||||
*/
|
||||
toggleOutlineTree() {
|
||||
if (!this.outline) {
|
||||
return;
|
||||
}
|
||||
this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {PDFOutlineViewerRenderParameters} params
|
||||
*/
|
||||
render(params = {}) {
|
||||
var outline = params.outline || null;
|
||||
var outlineCount = 0;
|
||||
|
||||
if (this.outline) {
|
||||
this.reset();
|
||||
}
|
||||
this.outline = outline;
|
||||
|
||||
if (!outline) {
|
||||
this._dispatchEvent(outlineCount);
|
||||
return;
|
||||
}
|
||||
|
||||
var fragment = document.createDocumentFragment();
|
||||
var queue = [{ parent: fragment, items: this.outline }];
|
||||
var hasAnyNesting = false;
|
||||
while (queue.length > 0) {
|
||||
var levelData = queue.shift();
|
||||
for (var i = 0, len = levelData.items.length; i < len; i++) {
|
||||
var item = levelData.items[i];
|
||||
|
||||
var div = document.createElement('div');
|
||||
div.className = 'outlineItem';
|
||||
|
||||
var element = document.createElement('a');
|
||||
this._bindLink(element, item);
|
||||
this._setStyles(element, item);
|
||||
element.textContent =
|
||||
removeNullCharacters(item.title) || DEFAULT_TITLE;
|
||||
|
||||
div.appendChild(element);
|
||||
|
||||
if (item.items.length > 0) {
|
||||
hasAnyNesting = true;
|
||||
this._addToggleButton(div);
|
||||
|
||||
var itemsDiv = document.createElement('div');
|
||||
itemsDiv.className = 'outlineItems';
|
||||
div.appendChild(itemsDiv);
|
||||
queue.push({ parent: itemsDiv, items: item.items });
|
||||
}
|
||||
|
||||
levelData.parent.appendChild(div);
|
||||
outlineCount++;
|
||||
}
|
||||
}
|
||||
if (hasAnyNesting) {
|
||||
this.container.classList.add('outlineWithDeepNesting');
|
||||
}
|
||||
|
||||
this.container.appendChild(fragment);
|
||||
|
||||
this._dispatchEvent(outlineCount);
|
||||
}
|
||||
}
|
||||
|
||||
export {
|
||||
PDFOutlineViewer,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user