BookStack Code Mirror - bookstack/blob - resources/js/components/wysiwyg-editor.js

   1 import Code from "../services/code";
   2 import DrawIO from "../services/drawio";
   3 import Clipboard from "../services/clipboard";
   4
   5 /**
   6  * Handle pasting images from clipboard.
   7  * @param {ClipboardEvent} event
   8  * @param {WysiwygEditor} wysiwygComponent
   9  * @param editor
  10  */
  11 function editorPaste(event, editor, wysiwygComponent) {
  12     const clipboard = new Clipboard(event.clipboardData || event.dataTransfer);
  13
  14     // Don't handle the event ourselves if no items exist of contains table-looking data
  15     if (!clipboard.hasItems() || clipboard.containsTabularData()) {
  16         return;
  17     }
  18
  19     const images = clipboard.getImages();
  20     for (const imageFile of images) {
  21
  22         const id = "image-" + Math.random().toString(16).slice(2);
  23         const loadingImage = window.baseUrl('/loading.gif');
  24         event.preventDefault();
  25
  26         setTimeout(() => {
  27             editor.insertContent(`<p><img src="${loadingImage}" id="${id}"></p>`);
  28
  29             uploadImageFile(imageFile, wysiwygComponent).then(resp => {
  30                 const safeName = resp.name.replace(/"/g, '');
  31                 const newImageHtml = `<img src="${resp.thumbs.display}" alt="${safeName}" />`;
  32
  33                 const newEl = editor.dom.create('a', {
  34                     target: '_blank',
  35                     href: resp.url,
  36                 }, newImageHtml);
  37
  38                 editor.dom.replace(newEl, id);
  39             }).catch(err => {
  40                 editor.dom.remove(id);
  41                 window.$events.emit('error', wysiwygComponent.imageUploadErrorText);
  42                 console.log(err);
  43             });
  44         }, 10);
  45     }
  46 }
  47
  48 /**
  49  * Upload an image file to the server
  50  * @param {File} file
  51  * @param {WysiwygEditor} wysiwygComponent
  52  */
  53 async function uploadImageFile(file, wysiwygComponent) {
  54     if (file === null || file.type.indexOf('image') !== 0) {
  55         throw new Error(`Not an image file`);
  56     }
  57
  58     let ext = 'png';
  59     if (file.name) {
  60         let fileNameMatches = file.name.match(/\.(.+)$/);
  61         if (fileNameMatches.length > 1) ext = fileNameMatches[1];
  62     }
  63
  64     const remoteFilename = "image-" + Date.now() + "." + ext;
  65     const formData = new FormData();
  66     formData.append('file', file, remoteFilename);
  67     formData.append('uploaded_to', wysiwygComponent.pageId);
  68
  69     const resp = await window.$http.post(window.baseUrl('/images/gallery'), formData);
  70     return resp.data;
  71 }
  72
  73 function registerEditorShortcuts(editor) {
  74     // Headers
  75     for (let i = 1; i < 5; i++) {
  76         editor.shortcuts.add('meta+' + i, '', ['FormatBlock', false, 'h' + (i+1)]);
  77     }
  78
  79     // Other block shortcuts
  80     editor.shortcuts.add('meta+5', '', ['FormatBlock', false, 'p']);
  81     editor.shortcuts.add('meta+d', '', ['FormatBlock', false, 'p']);
  82     editor.shortcuts.add('meta+6', '', ['FormatBlock', false, 'blockquote']);
  83     editor.shortcuts.add('meta+q', '', ['FormatBlock', false, 'blockquote']);
  84     editor.shortcuts.add('meta+7', '', ['codeeditor', false, 'pre']);
  85     editor.shortcuts.add('meta+e', '', ['codeeditor', false, 'pre']);
  86     editor.shortcuts.add('meta+8', '', ['FormatBlock', false, 'code']);
  87     editor.shortcuts.add('meta+shift+E', '', ['FormatBlock', false, 'code']);
  88
  89     // Save draft shortcut
  90     editor.shortcuts.add('meta+S', '', () => {
  91         window.$events.emit('editor-save-draft');
  92     });
  93
  94     // Save page shortcut
  95     editor.shortcuts.add('meta+13', '', () => {
  96         window.$events.emit('editor-save-page');
  97     });
  98
  99     // Loop through callout styles
 100     editor.shortcuts.add('meta+9', '', function() {
 101         const selectedNode = editor.selection.getNode();
 102         const callout = selectedNode ? selectedNode.closest('.callout') : null;
 103
 104         const formats = ['info', 'success', 'warning', 'danger'];
 105         const currentFormatIndex = formats.findIndex(format => callout && callout.classList.contains(format));
 106         const newFormatIndex = (currentFormatIndex + 1) % formats.length;
 107         const newFormat = formats[newFormatIndex];
 108
 109         editor.formatter.apply('callout' + newFormat);
 110     });
 111
 112 }
 113
 114 /**
 115  * Load custom HTML head content from the settings into the editor.
 116  * @param editor
 117  */
 118 function loadCustomHeadContent(editor) {
 119     window.$http.get(window.baseUrl('/custom-head-content')).then(resp => {
 120         if (!resp.data) return;
 121         let head = editor.getDoc().querySelector('head');
 122         head.innerHTML += resp.data;
 123     });
 124 }
 125
 126 /**
 127  * Create and enable our custom code plugin
 128  */
 129 function codePlugin() {
 130
 131     function elemIsCodeBlock(elem) {
 132         return elem.className === 'CodeMirrorContainer';
 133     }
 134
 135     function showPopup(editor) {
 136         const selectedNode = editor.selection.getNode();
 137
 138         if (!elemIsCodeBlock(selectedNode)) {
 139             const providedCode = editor.selection.getNode().textContent;
 140             window.components.first('code-editor').open(providedCode, '', (code, lang) => {
 141                 const wrap = document.createElement('div');
 142                 wrap.innerHTML = `<pre><code class="language-${lang}"></code></pre>`;
 143                 wrap.querySelector('code').innerText = code;
 144
 145                 editor.formatter.toggle('pre');
 146                 const node = editor.selection.getNode();
 147                 editor.dom.setHTML(node, wrap.querySelector('pre').innerHTML);
 148                 editor.fire('SetContent');
 149
 150                 editor.focus()
 151             });
 152             return;
 153         }
 154
 155         const lang = selectedNode.hasAttribute('data-lang') ? selectedNode.getAttribute('data-lang') : '';
 156         const currentCode = selectedNode.querySelector('textarea').textContent;
 157
 158         window.components.first('code-editor').open(currentCode, lang, (code, lang) => {
 159             const editorElem = selectedNode.querySelector('.CodeMirror');
 160             const cmInstance = editorElem.CodeMirror;
 161             if (cmInstance) {
 162                 Code.setContent(cmInstance, code);
 163                 Code.setMode(cmInstance, lang, code);
 164             }
 165             const textArea = selectedNode.querySelector('textarea');
 166             if (textArea) textArea.textContent = code;
 167             selectedNode.setAttribute('data-lang', lang);
 168
 169             editor.focus()
 170         });
 171     }
 172
 173     function codeMirrorContainerToPre(codeMirrorContainer) {
 174         const textArea = codeMirrorContainer.querySelector('textarea');
 175         const code = textArea.textContent;
 176         const lang = codeMirrorContainer.getAttribute('data-lang');
 177
 178         codeMirrorContainer.removeAttribute('contentEditable');
 179         const pre = document.createElement('pre');
 180         const codeElem = document.createElement('code');
 181         codeElem.classList.add(`language-${lang}`);
 182         codeElem.textContent = code;
 183         pre.appendChild(codeElem);
 184
 185         codeMirrorContainer.parentElement.replaceChild(pre, codeMirrorContainer);
 186     }
 187
 188     window.tinymce.PluginManager.add('codeeditor', function(editor, url) {
 189
 190         const $ = editor.$;
 191
 192         editor.ui.registry.addButton('codeeditor', {
 193             text: 'Code block',
 194             icon: false,
 195             onAction() {
 196                 editor.execCommand('codeeditor');
 197             }
 198         });
 199
 200         editor.addCommand('codeeditor', () => {
 201             showPopup(editor);
 202         });
 203
 204         // Convert
 205         editor.on('PreProcess', function (e) {
 206             $('div.CodeMirrorContainer', e.node).each((index, elem) => {
 207                 codeMirrorContainerToPre(elem);
 208             });
 209         });
 210
 211         editor.on('dblclick', event => {
 212             let selectedNode = editor.selection.getNode();
 213             if (!elemIsCodeBlock(selectedNode)) return;
 214             showPopup(editor);
 215         });
 216
 217         function parseCodeMirrorInstances() {
 218
 219             // Recover broken codemirror instances
 220             $('.CodeMirrorContainer').filter((index ,elem) => {
 221                 return typeof elem.querySelector('.CodeMirror').CodeMirror === 'undefined';
 222             }).each((index, elem) => {
 223                 codeMirrorContainerToPre(elem);
 224             });
 225
 226             const codeSamples = $('body > pre').filter((index, elem) => {
 227                 return elem.contentEditable !== "false";
 228             });
 229
 230             codeSamples.each((index, elem) => {
 231                 Code.wysiwygView(elem);
 232             });
 233         }
 234
 235         editor.on('init', function() {
 236             // Parse code mirror instances on init, but delay a little so this runs after
 237             // initial styles are fetched into the editor.
 238             editor.undoManager.transact(function () {
 239                 parseCodeMirrorInstances();
 240             });
 241             // Parsed code mirror blocks when content is set but wait before setting this handler
 242             // to avoid any init 'SetContent' events.
 243             setTimeout(() => {
 244                 editor.on('SetContent', () => {
 245                     setTimeout(parseCodeMirrorInstances, 100);
 246                 });
 247             }, 200);
 248         });
 249
 250     });
 251 }
 252
 253 function drawIoPlugin(drawioUrl, isDarkMode, pageId, wysiwygComponent) {
 254
 255     let pageEditor = null;
 256     let currentNode = null;
 257
 258     function isDrawing(node) {
 259         return node.hasAttribute('drawio-diagram');
 260     }
 261
 262     function showDrawingManager(mceEditor, selectedNode = null) {
 263         pageEditor = mceEditor;
 264         currentNode = selectedNode;
 265         // Show image manager
 266         window.ImageManager.show(function (image) {
 267             if (selectedNode) {
 268                 let imgElem = selectedNode.querySelector('img');
 269                 pageEditor.dom.setAttrib(imgElem, 'src', image.url);
 270                 pageEditor.dom.setAttrib(selectedNode, 'drawio-diagram', image.id);
 271             } else {
 272                 let imgHTML = `<div drawio-diagram="${image.id}" contenteditable="false"><img src="${image.url}"></div>`;
 273                 pageEditor.insertContent(imgHTML);
 274             }
 275         }, 'drawio');
 276     }
 277
 278     function showDrawingEditor(mceEditor, selectedNode = null) {
 279         pageEditor = mceEditor;
 280         currentNode = selectedNode;
 281         DrawIO.show(drawioUrl, drawingInit, updateContent);
 282     }
 283
 284     async function updateContent(pngData) {
 285         const id = "image-" + Math.random().toString(16).slice(2);
 286         const loadingImage = window.baseUrl('/loading.gif');
 287
 288         const handleUploadError = (error) => {
 289             if (error.status === 413) {
 290                 window.$events.emit('error', wysiwygComponent.serverUploadLimitText);
 291             } else {
 292                 window.$events.emit('error', wysiwygComponent.imageUploadErrorText);
 293             }
 294             console.log(error);
 295         };
 296
 297         // Handle updating an existing image
 298         if (currentNode) {
 299             DrawIO.close();
 300             let imgElem = currentNode.querySelector('img');
 301             try {
 302                 const img = await DrawIO.upload(pngData, pageId);
 303                 pageEditor.dom.setAttrib(imgElem, 'src', img.url);
 304                 pageEditor.dom.setAttrib(currentNode, 'drawio-diagram', img.id);
 305             } catch (err) {
 306                 handleUploadError(err);
 307             }
 308             return;
 309         }
 310
 311         setTimeout(async () => {
 312             pageEditor.insertContent(`<div drawio-diagram contenteditable="false"><img src="${loadingImage}" id="${id}"></div>`);
 313             DrawIO.close();
 314             try {
 315                 const img = await DrawIO.upload(pngData, pageId);
 316                 pageEditor.dom.setAttrib(id, 'src', img.url);
 317                 pageEditor.dom.get(id).parentNode.setAttribute('drawio-diagram', img.id);
 318             } catch (err) {
 319                 pageEditor.dom.remove(id);
 320                 handleUploadError(err);
 321             }
 322         }, 5);
 323     }
 324
 325
 326     function drawingInit() {
 327         if (!currentNode) {
 328             return Promise.resolve('');
 329         }
 330
 331         let drawingId = currentNode.getAttribute('drawio-diagram');
 332         return DrawIO.load(drawingId);
 333     }
 334
 335     window.tinymce.PluginManager.add('drawio', function(editor, url) {
 336
 337         editor.addCommand('drawio', () => {
 338             const selectedNode = editor.selection.getNode();
 339             showDrawingEditor(editor, isDrawing(selectedNode) ? selectedNode : null);
 340         });
 341
 342         // editor.ui.registry.addIcon('diagram', `<svg height="24" width="24" fill="${isDarkMode ? '#BBB' : '#000000'}"  ><path d="M23 7V1h-6v2H7V1H1v6h2v10H1v6h6v-2h10v2h6v-6h-2V7h2zM3 3h2v2H3V3zm2 18H3v-2h2v2zm12-2H7v-2H5V7h2V5h10v2h2v10h-2v2zm4 2h-2v-2h2v2zM19 5V3h2v2h-2zm-5.27 9h-3.49l-.73 2H7.89l3.4-9h1.4l3.41 9h-1.63l-.74-2zm-3.04-1.26h2.61L12 8.91l-1.31 3.83z"/></svg>`)
 343         editor.ui.registry.addIcon('diagram', `<svg width="24" height="24" fill="${isDarkMode ? '#BBB' : '#000000'}" xmlns="http://www.w3.org/2000/svg"><path d="M20.716 7.639V2.845h-4.794v1.598h-7.99V2.845H3.138v4.794h1.598v7.99H3.138v4.794h4.794v-1.598h7.99v1.598h4.794v-4.794h-1.598v-7.99zM4.736 4.443h1.598V6.04H4.736zm1.598 14.382H4.736v-1.598h1.598zm9.588-1.598h-7.99v-1.598H6.334v-7.99h1.598V6.04h7.99v1.598h1.598v7.99h-1.598zm3.196 1.598H17.52v-1.598h1.598zM17.52 6.04V4.443h1.598V6.04zm-4.21 7.19h-2.79l-.582 1.599H8.643l2.717-7.191h1.119l2.724 7.19h-1.302zm-2.43-1.006h2.086l-1.039-3.06z"/></svg>`)
 344
 345         editor.ui.registry.addSplitButton('drawio', {
 346             tooltip: 'Drawing',
 347             icon: 'diagram',
 348             onAction() {
 349                 editor.execCommand('drawio');
 350             },
 351             fetch(callback) {
 352                 callback([
 353                     {
 354                         type: 'choiceitem',
 355                         text: 'Drawing Manager',
 356                         value: 'drawing-manager',
 357                     }
 358                 ]);
 359             },
 360             onItemAction(api, value) {
 361                 if (value === 'drawing-manager') {
 362                     const selectedNode = editor.selection.getNode();
 363                     showDrawingManager(editor, isDrawing(selectedNode) ? selectedNode : null);
 364                 }
 365             }
 366         });
 367
 368         editor.on('dblclick', event => {
 369             let selectedNode = editor.selection.getNode();
 370             if (!isDrawing(selectedNode)) return;
 371             showDrawingEditor(editor, selectedNode);
 372         });
 373
 374         editor.on('SetContent', function () {
 375             const drawings = editor.$('body > div[drawio-diagram]');
 376             if (!drawings.length) return;
 377
 378             editor.undoManager.transact(function () {
 379                 drawings.each((index, elem) => {
 380                     elem.setAttribute('contenteditable', 'false');
 381                 });
 382             });
 383         });
 384
 385     });
 386 }
 387
 388 function customHrPlugin() {
 389     window.tinymce.PluginManager.add('customhr', function (editor) {
 390         editor.addCommand('InsertHorizontalRule', function () {
 391             let hrElem = document.createElement('hr');
 392             let cNode = editor.selection.getNode();
 393             let parentNode = cNode.parentNode;
 394             parentNode.insertBefore(hrElem, cNode);
 395         });
 396
 397         editor.ui.registry.addButton('hr', {
 398             icon: 'horizontal-rule',
 399             tooltip: 'Horizontal line',
 400             onAction() {
 401                 editor.execCommand('InsertHorizontalRule');
 402             }
 403         });
 404
 405         editor.ui.registry.addMenuItem('hr', {
 406             icon: 'horizontal-rule',
 407             text: 'Horizontal line',
 408             context: 'insert',
 409             onAction() {
 410                 editor.execCommand('InsertHorizontalRule');
 411             }
 412         });
 413     });
 414 }
 415
 416
 417 function listenForBookStackEditorEvents(editor) {
 418
 419     // Replace editor content
 420     window.$events.listen('editor::replace', ({html}) => {
 421         editor.setContent(html);
 422     });
 423
 424     // Append editor content
 425     window.$events.listen('editor::append', ({html}) => {
 426         const content = editor.getContent() + html;
 427         editor.setContent(content);
 428     });
 429
 430     // Prepend editor content
 431     window.$events.listen('editor::prepend', ({html}) => {
 432         const content = html + editor.getContent();
 433         editor.setContent(content);
 434     });
 435
 436     // Insert editor content at the current location
 437     window.$events.listen('editor::insert', ({html}) => {
 438         editor.insertContent(html);
 439     });
 440
 441     // Focus on the editor
 442     window.$events.listen('editor::focus', () => {
 443         editor.focus();
 444     });
 445 }
 446
 447 class WysiwygEditor {
 448
 449     setup() {
 450         this.elem = this.$el;
 451
 452         this.pageId = this.$opts.pageId;
 453         this.textDirection = this.$opts.textDirection;
 454         this.imageUploadErrorText = this.$opts.imageUploadErrorText;
 455         this.serverUploadLimitText = this.$opts.serverUploadLimitText;
 456         this.isDarkMode = document.documentElement.classList.contains('dark-mode');
 457
 458         this.plugins = "image imagetools table textcolor paste link autolink fullscreen code customhr autosave lists codeeditor media";
 459         this.loadPlugins();
 460
 461         this.tinyMceConfig = this.getTinyMceConfig();
 462         window.$events.emitPublic(this.elem, 'editor-tinymce::pre-init', {config: this.tinyMceConfig});
 463         window.tinymce.init(this.tinyMceConfig);
 464     }
 465
 466     loadPlugins() {
 467         codePlugin();
 468         customHrPlugin();
 469
 470         const drawioUrlElem = document.querySelector('[drawio-url]');
 471         if (drawioUrlElem) {
 472             const url = drawioUrlElem.getAttribute('drawio-url');
 473             drawIoPlugin(url, this.isDarkMode, this.pageId, this);
 474             this.plugins += ' drawio';
 475         }
 476
 477         if (this.textDirection === 'rtl') {
 478             this.plugins += ' directionality'
 479         }
 480     }
 481
 482     getToolBar() {
 483         const textDirPlugins = this.textDirection === 'rtl' ? 'ltr rtl' : '';
 484         return `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 ${textDirPlugins} fullscreen`
 485     }
 486
 487     getTinyMceConfig() {
 488
 489         const context = this;
 490
 491         return {
 492             width: '100%',
 493             height: '100%',
 494             selector: '#html-editor',
 495             content_css: [
 496                 window.baseUrl('/dist/styles.css'),
 497             ],
 498             branding: false,
 499             skin: this.isDarkMode ? 'oxide-dark' : 'oxide',
 500             body_class: 'page-content',
 501             browser_spellcheck: true,
 502             relative_urls: false,
 503             directionality : this.textDirection,
 504             remove_script_host: false,
 505             document_base_url: window.baseUrl('/'),
 506             end_container_on_empty_block: true,
 507             statusbar: false,
 508             menubar: false,
 509             paste_data_images: false,
 510             extended_valid_elements: 'pre[*],svg[*],div[drawio-diagram]',
 511             automatic_uploads: false,
 512             valid_children: "-div[p|h1|h2|h3|h4|h5|h6|blockquote],+div[pre],+div[img]",
 513             plugins: this.plugins,
 514             imagetools_toolbar: 'imageoptions',
 515             toolbar: this.getToolBar(),
 516             content_style: `html, body, html.dark-mode {background: ${this.isDarkMode ? '#222' : '#fff'};} body {padding-left: 15px !important; padding-right: 15px !important; margin:0!important; margin-left:auto!important;margin-right:auto!important;}`,
 517             style_formats: [
 518                 {title: "Header Large", format: "h2", preview: 'color: blue;'},
 519                 {title: "Header Medium", format: "h3"},
 520                 {title: "Header Small", format: "h4"},
 521                 {title: "Header Tiny", format: "h5"},
 522                 {title: "Paragraph", format: "p", exact: true, classes: ''},
 523                 {title: "Blockquote", format: "blockquote"},
 524                 {title: "<Code Block>", cmd: 'codeeditor', format: 'codeeditor'},
 525                 {title: "Inline Code", inline: "code"},
 526                 {title: "Callouts", items: [
 527                         {title: "Info", format: 'calloutinfo'},
 528                         {title: "Success", format: 'calloutsuccess'},
 529                         {title: "Warning", format: 'calloutwarning'},
 530                         {title: "Danger", format: 'calloutdanger'}
 531                     ]},
 532             ],
 533             style_formats_merge: false,
 534             media_alt_source: false,
 535             media_poster: false,
 536             formats: {
 537                 codeeditor: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div'},
 538                 alignleft: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-left'},
 539                 aligncenter: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-center'},
 540                 alignright: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-right'},
 541                 calloutsuccess: {block: 'p', exact: true, attributes: {class: 'callout success'}},
 542                 calloutinfo: {block: 'p', exact: true, attributes: {class: 'callout info'}},
 543                 calloutwarning: {block: 'p', exact: true, attributes: {class: 'callout warning'}},
 544                 calloutdanger: {block: 'p', exact: true, attributes: {class: 'callout danger'}}
 545             },
 546             file_browser_callback: function (field_name, url, type, win) {
 547
 548                 if (type === 'file') {
 549                     window.EntitySelectorPopup.show(function(entity) {
 550                         const originalField = win.document.getElementById(field_name);
 551                         originalField.value = entity.link;
 552                         const mceForm = originalField.closest('.mce-form');
 553                         const inputs = mceForm.querySelectorAll('input');
 554
 555                         // Set text to display if not empty
 556                         if (!inputs[1].value) {
 557                             inputs[1].value = entity.name;
 558                         }
 559
 560                         // Set title field
 561                         inputs[2].value = entity.name;
 562                     });
 563                 }
 564
 565                 if (type === 'image') {
 566                     // Show image manager
 567                     window.ImageManager.show(function (image) {
 568
 569                         // Set popover link input to image url then fire change event
 570                         // to ensure the new value sticks
 571                         win.document.getElementById(field_name).value = image.url;
 572                         if ("createEvent" in document) {
 573                             let evt = document.createEvent("HTMLEvents");
 574                             evt.initEvent("change", false, true);
 575                             win.document.getElementById(field_name).dispatchEvent(evt);
 576                         } else {
 577                             win.document.getElementById(field_name).fireEvent("onchange");
 578                         }
 579
 580                         // Replace the actively selected content with the linked image
 581                         const imageUrl = image.thumbs.display || image.url;
 582                         let html = `<a href="${image.url}" target="_blank">`;
 583                         html += `<img src="${imageUrl}" alt="${image.name}">`;
 584                         html += '</a>';
 585                         win.tinyMCE.activeEditor.execCommand('mceInsertContent', false, html);
 586                     }, 'gallery');
 587                 }
 588
 589             },
 590             paste_preprocess: function (plugin, args) {
 591                 let content = args.content;
 592                 if (content.indexOf('<img src="file://') !== -1) {
 593                     args.content = '';
 594                 }
 595             },
 596             init_instance_callback: function(editor) {
 597                 loadCustomHeadContent(editor);
 598             },
 599             setup: function (editor) {
 600
 601                 editor.on('ExecCommand change input NodeChange ObjectResized', editorChange);
 602
 603                 editor.on('init', () => {
 604                     editorChange();
 605                     // Scroll to the content if needed.
 606                     const queryParams = (new URL(window.location)).searchParams;
 607                     const scrollId = queryParams.get('content-id');
 608                     if (scrollId) {
 609                         scrollToText(scrollId);
 610                     }
 611
 612                     // Override for touch events to allow scroll on mobile
 613                     const container = editor.getContainer();
 614                     const toolbarButtons = container.querySelectorAll('.mce-btn');
 615                     for (let button of toolbarButtons) {
 616                         button.addEventListener('touchstart', event => {
 617                             event.stopPropagation();
 618                         });
 619                     }
 620                     window.editor = editor;
 621                 });
 622
 623                 function editorChange() {
 624                     const content = editor.getContent();
 625                     if (context.isDarkMode) {
 626                         editor.contentDocument.documentElement.classList.add('dark-mode');
 627                     }
 628                     window.$events.emit('editor-html-change', content);
 629                 }
 630
 631                 function scrollToText(scrollId) {
 632                     const element = editor.dom.get(encodeURIComponent(scrollId).replace(/!/g, '%21'));
 633                     if (!element) {
 634                         return;
 635                     }
 636
 637                     // scroll the element into the view and put the cursor at the end.
 638                     element.scrollIntoView();
 639                     editor.selection.select(element, true);
 640                     editor.selection.collapse(false);
 641                     editor.focus();
 642                 }
 643
 644                 listenForBookStackEditorEvents(editor);
 645
 646                 // TODO - Update to standardise across both editors
 647                 // Use events within listenForBookStackEditorEvents instead (Different event signature)
 648                 window.$events.listen('editor-html-update', html => {
 649                     editor.setContent(html);
 650                     editor.selection.select(editor.getBody(), true);
 651                     editor.selection.collapse(false);
 652                     editorChange(html);
 653                 });
 654
 655                 registerEditorShortcuts(editor);
 656
 657                 let wrap;
 658                 let draggedContentEditable;
 659
 660                 function hasTextContent(node) {
 661                     return node && !!( node.textContent || node.innerText );
 662                 }
 663
 664                 editor.on('dragstart', function () {
 665                     let node = editor.selection.getNode();
 666
 667                     if (node.nodeName === 'IMG') {
 668                         wrap = editor.dom.getParent(node, '.mceTemp');
 669
 670                         if (!wrap && node.parentNode.nodeName === 'A' && !hasTextContent(node.parentNode)) {
 671                             wrap = node.parentNode;
 672                         }
 673                     }
 674
 675                     // Track dragged contenteditable blocks
 676                     if (node.hasAttribute('contenteditable') && node.getAttribute('contenteditable') === 'false') {
 677                         draggedContentEditable = node;
 678                     }
 679
 680                 });
 681
 682                 // Custom drop event handling
 683                 editor.on('drop', function (event) {
 684                     let dom = editor.dom,
 685                         rng = tinymce.dom.RangeUtils.getCaretRangeFromPoint(event.clientX, event.clientY, editor.getDoc());
 686
 687                     // Template insertion
 688                     const templateId = event.dataTransfer && event.dataTransfer.getData('bookstack/template');
 689                     if (templateId) {
 690                         event.preventDefault();
 691                         window.$http.get(`/templates/${templateId}`).then(resp => {
 692                             editor.selection.setRng(rng);
 693                             editor.undoManager.transact(function () {
 694                                 editor.execCommand('mceInsertContent', false, resp.data.html);
 695                             });
 696                         });
 697                     }
 698
 699                     // Don't allow anything to be dropped in a captioned image.
 700                     if (dom.getParent(rng.startContainer, '.mceTemp')) {
 701                         event.preventDefault();
 702                     } else if (wrap) {
 703                         event.preventDefault();
 704
 705                         editor.undoManager.transact(function () {
 706                             editor.selection.setRng(rng);
 707                             editor.selection.setNode(wrap);
 708                             dom.remove(wrap);
 709                         });
 710                     }
 711
 712                     // Handle contenteditable section drop
 713                     if (!event.isDefaultPrevented() && draggedContentEditable) {
 714                         event.preventDefault();
 715                         editor.undoManager.transact(function () {
 716                             const selectedNode = editor.selection.getNode();
 717                             const range = editor.selection.getRng();
 718                             const selectedNodeRoot = selectedNode.closest('body > *');
 719                             if (range.startOffset > (range.startContainer.length / 2)) {
 720                                 editor.$(selectedNodeRoot).after(draggedContentEditable);
 721                             } else {
 722                                 editor.$(selectedNodeRoot).before(draggedContentEditable);
 723                             }
 724                         });
 725                     }
 726
 727                     // Handle image insert
 728                     if (!event.isDefaultPrevented()) {
 729                         editorPaste(event, editor, context);
 730                     }
 731
 732                     wrap = null;
 733                 });
 734
 735                 // Custom Image picker button
 736                 editor.ui.registry.addButton('image-insert', {
 737                     title: 'My title',
 738                     icon: 'image',
 739                     tooltip: 'Insert an image',
 740                     onAction() {
 741                         window.ImageManager.show(function (image) {
 742                             const imageUrl = image.thumbs.display || image.url;
 743                             let html = `<a href="${image.url}" target="_blank">`;
 744                             html += `<img src="${imageUrl}" alt="${image.name}">`;
 745                             html += '</a>';
 746                             editor.execCommand('mceInsertContent', false, html);
 747                         }, 'gallery');
 748                     }
 749                 });
 750
 751                 // Paste image-uploads
 752                 editor.on('paste', event => editorPaste(event, editor, context));
 753
 754                 // Custom handler hook
 755                 window.$events.emitPublic(context.elem, 'editor-tinymce::setup', {editor});
 756             }
 757         };
 758     }
 759
 760 }
 761
 762 export default WysiwygEditor;