mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-10-31 08:02:42 +01:00
586 lines
23 KiB
JavaScript
586 lines
23 KiB
JavaScript
const Code = require('../services/code');
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const DrawIO = require('../services/drawio');
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/**
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* Handle pasting images from clipboard.
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* @param {ClipboardEvent} event
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* @param editor
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*/
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function editorPaste(event, editor) {
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if (!event.clipboardData || !event.clipboardData.items) return;
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let items = event.clipboardData.items;
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for (let i = 0; i < items.length; i++) {
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if (items[i].type.indexOf("image") === -1) continue;
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event.preventDefault();
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let id = "image-" + Math.random().toString(16).slice(2);
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let loadingImage = window.baseUrl('/loading.gif');
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let file = items[i].getAsFile();
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setTimeout(() => {
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editor.insertContent(`<p><img src="${loadingImage}" id="${id}"></p>`);
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uploadImageFile(file).then(resp => {
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editor.dom.setAttrib(id, 'src', resp.thumbs.display);
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}).catch(err => {
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editor.dom.remove(id);
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window.$events.emit('error', trans('errors.image_upload_error'));
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console.log(err);
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});
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}, 10);
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}
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}
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/**
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* Upload an image file to the server
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* @param {File} file
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*/
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function uploadImageFile(file) {
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if (file === null || file.type.indexOf('image') !== 0) return Promise.reject(`Not an image file`);
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let ext = 'png';
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if (file.name) {
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let fileNameMatches = file.name.match(/\.(.+)$/);
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if (fileNameMatches.length > 1) ext = fileNameMatches[1];
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}
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let remoteFilename = "image-" + Date.now() + "." + ext;
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let formData = new FormData();
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formData.append('file', file, remoteFilename);
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return window.$http.post(window.baseUrl('/images/gallery/upload'), formData).then(resp => (resp.data));
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}
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function registerEditorShortcuts(editor) {
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// Headers
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for (let i = 1; i < 5; i++) {
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editor.shortcuts.add('meta+' + i, '', ['FormatBlock', false, 'h' + (i+1)]);
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}
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// Other block shortcuts
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editor.shortcuts.add('meta+5', '', ['FormatBlock', false, 'p']);
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editor.shortcuts.add('meta+d', '', ['FormatBlock', false, 'p']);
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editor.shortcuts.add('meta+6', '', ['FormatBlock', false, 'blockquote']);
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editor.shortcuts.add('meta+q', '', ['FormatBlock', false, 'blockquote']);
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editor.shortcuts.add('meta+7', '', ['codeeditor', false, 'pre']);
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editor.shortcuts.add('meta+e', '', ['codeeditor', false, 'pre']);
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editor.shortcuts.add('meta+8', '', ['FormatBlock', false, 'code']);
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editor.shortcuts.add('meta+shift+E', '', ['FormatBlock', false, 'code']);
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// Save draft shortcut
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editor.shortcuts.add('meta+S', '', () => {
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window.$events.emit('editor-save-draft');
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});
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// Save page shortcut
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editor.shortcuts.add('meta+13', '', () => {
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window.$events.emit('editor-save-page');
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});
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// Loop through callout styles
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editor.shortcuts.add('meta+9', '', function() {
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let selectedNode = editor.selection.getNode();
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let formats = ['info', 'success', 'warning', 'danger'];
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if (!selectedNode || selectedNode.className.indexOf('callout') === -1) {
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editor.formatter.apply('calloutinfo');
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return;
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}
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for (let i = 0; i < formats.length; i++) {
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if (selectedNode.className.indexOf(formats[i]) === -1) continue;
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let newFormat = (i === formats.length -1) ? formats[0] : formats[i+1];
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editor.formatter.apply('callout' + newFormat);
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return;
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}
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editor.formatter.apply('p');
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});
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}
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/**
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* Load custom HTML head content from the settings into the editor.
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* @param editor
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*/
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function loadCustomHeadContent(editor) {
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window.$http.get(window.baseUrl('/custom-head-content')).then(resp => {
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if (!resp.data) return;
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let head = editor.getDoc().querySelector('head');
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head.innerHTML += resp.data;
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});
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}
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/**
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* Create and enable our custom code plugin
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*/
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function codePlugin() {
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function elemIsCodeBlock(elem) {
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return elem.className === 'CodeMirrorContainer';
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}
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function showPopup(editor) {
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let selectedNode = editor.selection.getNode();
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if (!elemIsCodeBlock(selectedNode)) {
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let providedCode = editor.selection.getNode().textContent;
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window.vues['code-editor'].open(providedCode, '', (code, lang) => {
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let wrap = document.createElement('div');
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wrap.innerHTML = `<pre><code class="language-${lang}"></code></pre>`;
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wrap.querySelector('code').innerText = code;
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editor.formatter.toggle('pre');
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let node = editor.selection.getNode();
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editor.dom.setHTML(node, wrap.querySelector('pre').innerHTML);
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editor.fire('SetContent');
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});
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return;
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}
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let lang = selectedNode.hasAttribute('data-lang') ? selectedNode.getAttribute('data-lang') : '';
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let currentCode = selectedNode.querySelector('textarea').textContent;
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window.vues['code-editor'].open(currentCode, lang, (code, lang) => {
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let editorElem = selectedNode.querySelector('.CodeMirror');
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let cmInstance = editorElem.CodeMirror;
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if (cmInstance) {
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Code.setContent(cmInstance, code);
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Code.setMode(cmInstance, lang);
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}
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let textArea = selectedNode.querySelector('textarea');
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if (textArea) textArea.textContent = code;
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selectedNode.setAttribute('data-lang', lang);
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});
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}
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function codeMirrorContainerToPre($codeMirrorContainer) {
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let textArea = $codeMirrorContainer[0].querySelector('textarea');
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let code = textArea.textContent;
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let lang = $codeMirrorContainer[0].getAttribute('data-lang');
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$codeMirrorContainer.removeAttr('contentEditable');
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let $pre = $('<pre></pre>');
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$pre.append($('<code></code>').each((index, elem) => {
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// Needs to be textContent since innerText produces BR:s
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elem.textContent = code;
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}).attr('class', `language-${lang}`));
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$codeMirrorContainer.replaceWith($pre);
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}
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window.tinymce.PluginManager.add('codeeditor', function(editor, url) {
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let $ = editor.$;
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editor.addButton('codeeditor', {
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text: 'Code block',
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icon: false,
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cmd: 'codeeditor'
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});
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editor.addCommand('codeeditor', () => {
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showPopup(editor);
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});
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// Convert
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editor.on('PreProcess', function (e) {
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$('div.CodeMirrorContainer', e.node).
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each((index, elem) => {
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let $elem = $(elem);
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codeMirrorContainerToPre($elem);
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});
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});
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editor.on('dblclick', event => {
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let selectedNode = editor.selection.getNode();
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if (!elemIsCodeBlock(selectedNode)) return;
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showPopup(editor);
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});
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editor.on('SetContent', function () {
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// Recover broken codemirror instances
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$('.CodeMirrorContainer').filter((index ,elem) => {
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return typeof elem.querySelector('.CodeMirror').CodeMirror === 'undefined';
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}).each((index, elem) => {
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codeMirrorContainerToPre($(elem));
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});
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let codeSamples = $('body > pre').filter((index, elem) => {
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return elem.contentEditable !== "false";
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});
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if (!codeSamples.length) return;
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editor.undoManager.transact(function () {
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codeSamples.each((index, elem) => {
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Code.wysiwygView(elem);
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});
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});
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});
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});
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}
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function drawIoPlugin() {
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let pageEditor = null;
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let currentNode = null;
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function isDrawing(node) {
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return node.hasAttribute('drawio-diagram');
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}
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function showDrawingManager(mceEditor, selectedNode = null) {
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pageEditor = mceEditor;
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currentNode = selectedNode;
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// Show image manager
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window.ImageManager.show(function (image) {
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if (selectedNode) {
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let imgElem = selectedNode.querySelector('img');
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pageEditor.dom.setAttrib(imgElem, 'src', image.url);
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pageEditor.dom.setAttrib(selectedNode, 'drawio-diagram', image.id);
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} else {
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let imgHTML = `<div drawio-diagram="${image.id}" contenteditable="false"><img src="${image.url}"></div>`;
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pageEditor.insertContent(imgHTML);
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}
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}, 'drawio');
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}
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function showDrawingEditor(mceEditor, selectedNode = null) {
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pageEditor = mceEditor;
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currentNode = selectedNode;
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DrawIO.show(drawingInit, updateContent);
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}
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function updateContent(pngData) {
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let id = "image-" + Math.random().toString(16).slice(2);
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let loadingImage = window.baseUrl('/loading.gif');
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let data = {
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image: pngData,
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uploaded_to: Number(document.getElementById('page-editor').getAttribute('page-id'))
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};
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// Handle updating an existing image
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if (currentNode) {
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DrawIO.close();
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let imgElem = currentNode.querySelector('img');
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window.$http.post(window.baseUrl(`/images/drawing/upload`), data).then(resp => {
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pageEditor.dom.setAttrib(imgElem, 'src', resp.data.url);
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pageEditor.dom.setAttrib(currentNode, 'drawio-diagram', resp.data.id);
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}).catch(err => {
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window.$events.emit('error', trans('errors.image_upload_error'));
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console.log(err);
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});
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return;
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}
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setTimeout(() => {
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pageEditor.insertContent(`<div drawio-diagram contenteditable="false"><img src="${loadingImage}" id="${id}"></div>`);
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DrawIO.close();
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window.$http.post(window.baseUrl('/images/drawing/upload'), data).then(resp => {
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pageEditor.dom.setAttrib(id, 'src', resp.data.url);
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pageEditor.dom.get(id).parentNode.setAttribute('drawio-diagram', resp.data.id);
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}).catch(err => {
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pageEditor.dom.remove(id);
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window.$events.emit('error', trans('errors.image_upload_error'));
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console.log(err);
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});
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}, 5);
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}
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function drawingInit() {
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if (!currentNode) {
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return Promise.resolve('');
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}
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let drawingId = currentNode.getAttribute('drawio-diagram');
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return window.$http.get(window.baseUrl(`/images/base64/${drawingId}`)).then(resp => {
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return `data:image/png;base64,${resp.data.content}`;
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});
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}
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window.tinymce.PluginManager.add('drawio', function(editor, url) {
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editor.addCommand('drawio', () => {
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let selectedNode = editor.selection.getNode();
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showDrawingEditor(editor, isDrawing(selectedNode) ? selectedNode : null);
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});
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editor.addButton('drawio', {
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type: 'splitbutton',
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tooltip: 'Drawing',
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image: `data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMjQgMjQiIGZpbGw9IiMwMDAwMDAiICB4bWxucz0iaHR0cDovL3d3 dy53My5vcmcvMjAwMC9zdmciPgogICAgPHBhdGggZD0iTTIzIDdWMWgtNnYySDdWMUgxdjZoMnYx MEgxdjZoNnYtMmgxMHYyaDZ2LTZoLTJWN2gyek0zIDNoMnYySDNWM3ptMiAxOEgzdi0yaDJ2Mnpt MTItMkg3di0ySDVWN2gyVjVoMTB2MmgydjEwaC0ydjJ6bTQgMmgtMnYtMmgydjJ6TTE5IDVWM2gy djJoLTJ6bS01LjI3IDloLTMuNDlsLS43MyAySDcuODlsMy40LTloMS40bDMuNDEgOWgtMS42M2wt Ljc0LTJ6bS0zLjA0LTEuMjZoMi42MUwxMiA4LjkxbC0xLjMxIDMuODN6Ii8+CiAgICA8cGF0aCBk PSJNMCAwaDI0djI0SDB6IiBmaWxsPSJub25lIi8+Cjwvc3ZnPg==`,
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cmd: 'drawio',
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menu: [
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{
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text: 'Drawing Manager',
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onclick() {
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let selectedNode = editor.selection.getNode();
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showDrawingManager(editor, isDrawing(selectedNode) ? selectedNode : null);
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}
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}
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]
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});
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editor.on('dblclick', event => {
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let selectedNode = editor.selection.getNode();
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if (!isDrawing(selectedNode)) return;
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showDrawingEditor(editor, selectedNode);
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});
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editor.on('SetContent', function () {
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let drawings = editor.$('body > div[drawio-diagram]');
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if (!drawings.length) return;
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editor.undoManager.transact(function () {
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drawings.each((index, elem) => {
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elem.setAttribute('contenteditable', 'false');
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});
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});
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});
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});
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}
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function customHrPlugin() {
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window.tinymce.PluginManager.add('customhr', function (editor) {
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editor.addCommand('InsertHorizontalRule', function () {
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let hrElem = document.createElement('hr');
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let cNode = editor.selection.getNode();
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let parentNode = cNode.parentNode;
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parentNode.insertBefore(hrElem, cNode);
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});
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editor.addButton('hr', {
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icon: 'hr',
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tooltip: 'Horizontal line',
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cmd: 'InsertHorizontalRule'
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});
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editor.addMenuItem('hr', {
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icon: 'hr',
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text: 'Horizontal line',
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cmd: 'InsertHorizontalRule',
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context: 'insert'
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});
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});
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}
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class WysiwygEditor {
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constructor(elem) {
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this.elem = elem;
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this.plugins = "image table textcolor paste link autolink fullscreen imagetools code customhr autosave lists codeeditor media";
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this.loadPlugins();
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this.tinyMceConfig = this.getTinyMceConfig();
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window.tinymce.init(this.tinyMceConfig);
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}
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loadPlugins() {
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codePlugin();
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customHrPlugin();
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if (document.querySelector('[drawio-enabled]').getAttribute('drawio-enabled') === 'true') {
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drawIoPlugin();
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this.plugins += ' drawio';
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}
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}
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getTinyMceConfig() {
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return {
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selector: '#html-editor',
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content_css: [
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window.baseUrl('/dist/styles.css'),
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],
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branding: false,
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body_class: 'page-content',
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browser_spellcheck: true,
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relative_urls: false,
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remove_script_host: false,
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document_base_url: window.baseUrl('/'),
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statusbar: false,
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menubar: false,
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paste_data_images: false,
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extended_valid_elements: 'pre[*],svg[*],div[drawio-diagram]',
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automatic_uploads: false,
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valid_children: "-div[p|h1|h2|h3|h4|h5|h6|blockquote],+div[pre],+div[img]",
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plugins: this.plugins,
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imagetools_toolbar: 'imageoptions',
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toolbar: "undo redo | styleselect | bold italic underline strikethrough superscript subscript | forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | table image-insert link hr drawio media | removeformat code fullscreen",
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content_style: "body {padding-left: 15px !important; padding-right: 15px !important; margin:0!important; margin-left:auto!important;margin-right:auto!important;}",
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style_formats: [
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{title: "Header Large", format: "h2"},
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{title: "Header Medium", format: "h3"},
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{title: "Header Small", format: "h4"},
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{title: "Header Tiny", format: "h5"},
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{title: "Paragraph", format: "p", exact: true, classes: ''},
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{title: "Blockquote", format: "blockquote"},
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{title: "Code Block", icon: "code", cmd: 'codeeditor', format: 'codeeditor'},
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{title: "Inline Code", icon: "code", inline: "code"},
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{title: "Callouts", items: [
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{title: "Info", format: 'calloutinfo'},
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{title: "Success", format: 'calloutsuccess'},
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{title: "Warning", format: 'calloutwarning'},
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{title: "Danger", format: 'calloutdanger'}
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]},
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],
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style_formats_merge: false,
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media_alt_source: false,
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media_poster: false,
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formats: {
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codeeditor: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div'},
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alignleft: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-left'},
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aligncenter: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-center'},
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alignright: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-right'},
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calloutsuccess: {block: 'p', exact: true, attributes: {class: 'callout success'}},
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calloutinfo: {block: 'p', exact: true, attributes: {class: 'callout info'}},
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calloutwarning: {block: 'p', exact: true, attributes: {class: 'callout warning'}},
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calloutdanger: {block: 'p', exact: true, attributes: {class: 'callout danger'}}
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},
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file_browser_callback: function (field_name, url, type, win) {
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if (type === 'file') {
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window.EntitySelectorPopup.show(function(entity) {
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let originalField = win.document.getElementById(field_name);
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originalField.value = entity.link;
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$(originalField).closest('.mce-form').find('input').eq(2).val(entity.name);
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});
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}
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if (type === 'image') {
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// Show image manager
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window.ImageManager.show(function (image) {
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// Set popover link input to image url then fire change event
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// to ensure the new value sticks
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win.document.getElementById(field_name).value = image.url;
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if ("createEvent" in document) {
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let evt = document.createEvent("HTMLEvents");
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evt.initEvent("change", false, true);
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win.document.getElementById(field_name).dispatchEvent(evt);
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} else {
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win.document.getElementById(field_name).fireEvent("onchange");
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}
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// Replace the actively selected content with the linked image
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let html = `<a href="${image.url}" target="_blank">`;
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html += `<img src="${image.thumbs.display}" alt="${image.name}">`;
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html += '</a>';
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win.tinyMCE.activeEditor.execCommand('mceInsertContent', false, html);
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}, 'gallery');
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}
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|
|
},
|
|
paste_preprocess: function (plugin, args) {
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let content = args.content;
|
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if (content.indexOf('<img src="file://') !== -1) {
|
|
args.content = '';
|
|
}
|
|
},
|
|
init_instance_callback: function(editor) {
|
|
loadCustomHeadContent(editor);
|
|
},
|
|
setup: function (editor) {
|
|
|
|
editor.on('ExecCommand change input NodeChange ObjectResized', editorChange);
|
|
|
|
editor.on('init', () => {
|
|
editorChange();
|
|
// Scroll to the content if needed.
|
|
const queryParams = (new URL(window.location)).searchParams;
|
|
const scrollId = queryParams.get('content-id');
|
|
if (scrollId) {
|
|
scrollToText(scrollId);
|
|
}
|
|
});
|
|
|
|
function editorChange() {
|
|
let content = editor.getContent();
|
|
window.$events.emit('editor-html-change', content);
|
|
}
|
|
|
|
function scrollToText(scrollId) {
|
|
const element = editor.dom.get(encodeURIComponent(scrollId).replace(/!/g, '%21'));
|
|
if (!element) {
|
|
return;
|
|
}
|
|
|
|
// scroll the element into the view and put the cursor at the end.
|
|
element.scrollIntoView();
|
|
editor.selection.select(element, true);
|
|
editor.selection.collapse(false);
|
|
editor.focus();
|
|
}
|
|
|
|
window.$events.listen('editor-html-update', html => {
|
|
editor.setContent(html);
|
|
editor.selection.select(editor.getBody(), true);
|
|
editor.selection.collapse(false);
|
|
editorChange(html);
|
|
});
|
|
|
|
registerEditorShortcuts(editor);
|
|
|
|
let wrap;
|
|
|
|
function hasTextContent(node) {
|
|
return node && !!( node.textContent || node.innerText );
|
|
}
|
|
|
|
editor.on('dragstart', function () {
|
|
let node = editor.selection.getNode();
|
|
|
|
if (node.nodeName !== 'IMG') return;
|
|
wrap = editor.dom.getParent(node, '.mceTemp');
|
|
|
|
if (!wrap && node.parentNode.nodeName === 'A' && !hasTextContent(node.parentNode)) {
|
|
wrap = node.parentNode;
|
|
}
|
|
});
|
|
|
|
editor.on('drop', function (event) {
|
|
let dom = editor.dom,
|
|
rng = tinymce.dom.RangeUtils.getCaretRangeFromPoint(event.clientX, event.clientY, editor.getDoc());
|
|
|
|
// Don't allow anything to be dropped in a captioned image.
|
|
if (dom.getParent(rng.startContainer, '.mceTemp')) {
|
|
event.preventDefault();
|
|
} else if (wrap) {
|
|
event.preventDefault();
|
|
|
|
editor.undoManager.transact(function () {
|
|
editor.selection.setRng(rng);
|
|
editor.selection.setNode(wrap);
|
|
dom.remove(wrap);
|
|
});
|
|
}
|
|
|
|
wrap = null;
|
|
});
|
|
|
|
// Custom Image picker button
|
|
editor.addButton('image-insert', {
|
|
title: 'My title',
|
|
icon: 'image',
|
|
tooltip: 'Insert an image',
|
|
onclick: function () {
|
|
window.ImageManager.show(function (image) {
|
|
let html = `<a href="${image.url}" target="_blank">`;
|
|
html += `<img src="${image.thumbs.display}" alt="${image.name}">`;
|
|
html += '</a>';
|
|
editor.execCommand('mceInsertContent', false, html);
|
|
}, 'gallery');
|
|
}
|
|
});
|
|
|
|
// Paste image-uploads
|
|
editor.on('paste', event => editorPaste(event, editor));
|
|
}
|
|
};
|
|
}
|
|
|
|
}
|
|
|
|
module.exports = WysiwygEditor;
|