wp-includes/js/tinymce/plugins/paste/plugin.js

   1 /**
   2  * Compiled inline version. (Library mode)
   3  */
   4
   5 /*jshint smarttabs:true, undef:true, latedef:true, curly:true, bitwise:true, camelcase:true */
   6 /*globals $code */
   7
   8 (function(exports, undefined) {
   9         "use strict";
  10
  11         var modules = {};
  12
  13         function require(ids, callback) {
  14                 var module, defs = [];
  15
  16                 for (var i = 0; i < ids.length; ++i) {
  17                         module = modules[ids[i]] || resolve(ids[i]);
  18                         if (!module) {
  19                                 throw 'module definition dependecy not found: ' + ids[i];
  20                         }
  21
  22                         defs.push(module);
  23                 }
  24
  25                 callback.apply(null, defs);
  26         }
  27
  28         function define(id, dependencies, definition) {
  29                 if (typeof id !== 'string') {
  30                         throw 'invalid module definition, module id must be defined and be a string';
  31                 }
  32
  33                 if (dependencies === undefined) {
  34                         throw 'invalid module definition, dependencies must be specified';
  35                 }
  36
  37                 if (definition === undefined) {
  38                         throw 'invalid module definition, definition function must be specified';
  39                 }
  40
  41                 require(dependencies, function() {
  42                         modules[id] = definition.apply(null, arguments);
  43                 });
  44         }
  45
  46         function defined(id) {
  47                 return !!modules[id];
  48         }
  49
  50         function resolve(id) {
  51                 var target = exports;
  52                 var fragments = id.split(/[.\/]/);
  53
  54                 for (var fi = 0; fi < fragments.length; ++fi) {
  55                         if (!target[fragments[fi]]) {
  56                                 return;
  57                         }
  58
  59                         target = target[fragments[fi]];
  60                 }
  61
  62                 return target;
  63         }
  64
  65         function expose(ids) {
  66                 var i, target, id, fragments, privateModules;
  67
  68                 for (i = 0; i < ids.length; i++) {
  69                         target = exports;
  70                         id = ids[i];
  71                         fragments = id.split(/[.\/]/);
  72
  73                         for (var fi = 0; fi < fragments.length - 1; ++fi) {
  74                                 if (target[fragments[fi]] === undefined) {
  75                                         target[fragments[fi]] = {};
  76                                 }
  77
  78                                 target = target[fragments[fi]];
  79                         }
  80
  81                         target[fragments[fragments.length - 1]] = modules[id];
  82                 }
  83
  84                 // Expose private modules for unit tests
  85                 if (exports.AMDLC_TESTS) {
  86                         privateModules = exports.privateModules || {};
  87
  88                         for (id in modules) {
  89                                 privateModules[id] = modules[id];
  90                         }
  91
  92                         for (i = 0; i < ids.length; i++) {
  93                                 delete privateModules[ids[i]];
  94                         }
  95
  96                         exports.privateModules = privateModules;
  97                 }
  98         }
  99
 100 // Included from: js/tinymce/plugins/paste/classes/Utils.js
 101
 102 /**
 103  * Utils.js
 104  *
 105  * Released under LGPL License.
 106  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 107  *
 108  * License: http://www.tinymce.com/license
 109  * Contributing: http://www.tinymce.com/contributing
 110  */
 111
 112 /**
 113  * This class contails various utility functions for the paste plugin.
 114  *
 115  * @class tinymce.pasteplugin.Utils
 116  */
 117 define("tinymce/pasteplugin/Utils", [
 118         "tinymce/util/Tools",
 119         "tinymce/html/DomParser",
 120         "tinymce/html/Schema"
 121 ], function(Tools, DomParser, Schema) {
 122         function filter(content, items) {
 123                 Tools.each(items, function(v) {
 124                         if (v.constructor == RegExp) {
 125                                 content = content.replace(v, '');
 126                         } else {
 127                                 content = content.replace(v[0], v[1]);
 128                         }
 129                 });
 130
 131                 return content;
 132         }
 133
 134         /**
 135          * Gets the innerText of the specified element. It will handle edge cases
 136          * and works better than textContent on Gecko.
 137          *
 138          * @param {String} html HTML string to get text from.
 139          * @return {String} String of text with line feeds.
 140          */
 141         function innerText(html) {
 142                 var schema = new Schema(), domParser = new DomParser({}, schema), text = '';
 143                 var shortEndedElements = schema.getShortEndedElements();
 144                 var ignoreElements = Tools.makeMap('script noscript style textarea video audio iframe object', ' ');
 145                 var blockElements = schema.getBlockElements();
 146
 147                 function walk(node) {
 148                         var name = node.name, currentNode = node;
 149
 150                         if (name === 'br') {
 151                                 text += '\n';
 152                                 return;
 153                         }
 154
 155                         // img/input/hr
 156                         if (shortEndedElements[name]) {
 157                                 text += ' ';
 158                         }
 159
 160                         // Ingore script, video contents
 161                         if (ignoreElements[name]) {
 162                                 text += ' ';
 163                                 return;
 164                         }
 165
 166                         if (node.type == 3) {
 167                                 text += node.value;
 168                         }
 169
 170                         // Walk all children
 171                         if (!node.shortEnded) {
 172                                 if ((node = node.firstChild)) {
 173                                         do {
 174                                                 walk(node);
 175                                         } while ((node = node.next));
 176                                 }
 177                         }
 178
 179                         // Add \n or \n\n for blocks or P
 180                         if (blockElements[name] && currentNode.next) {
 181                                 text += '\n';
 182
 183                                 if (name == 'p') {
 184                                         text += '\n';
 185                                 }
 186                         }
 187                 }
 188
 189                 html = filter(html, [
 190                         /<!\[[^\]]+\]>/g // Conditional comments
 191                 ]);
 192
 193                 walk(domParser.parse(html));
 194
 195                 return text;
 196         }
 197
 198         /**
 199          * Trims the specified HTML by removing all WebKit fragments, all elements wrapping the body trailing BR elements etc.
 200          *
 201          * @param {String} html Html string to trim contents on.
 202          * @return {String} Html contents that got trimmed.
 203          */
 204         function trimHtml(html) {
 205                 function trimSpaces(all, s1, s2) {
 206                         // WebKit &nbsp; meant to preserve multiple spaces but instead inserted around all inline tags,
 207                         // including the spans with inline styles created on paste
 208                         if (!s1 && !s2) {
 209                                 return ' ';
 210                         }
 211
 212                         return '\u00a0';
 213                 }
 214
 215                 html = filter(html, [
 216                         /^[\s\S]*<body[^>]*>\s*|\s*<\/body[^>]*>[\s\S]*$/g, // Remove anything but the contents within the BODY element
 217                         /<!--StartFragment-->|<!--EndFragment-->/g, // Inner fragments (tables from excel on mac)
 218                         [/( ?)<span class="Apple-converted-space">\u00a0<\/span>( ?)/g, trimSpaces],
 219                         /<br class="Apple-interchange-newline">/g,
 220                         /<br>$/i // Trailing BR elements
 221                 ]);
 222
 223                 return html;
 224         }
 225
 226         // TODO: Should be in some global class
 227         function createIdGenerator(prefix) {
 228                 var count = 0;
 229
 230                 return function() {
 231                         return prefix + (count++);
 232                 };
 233         }
 234
 235         return {
 236                 filter: filter,
 237                 innerText: innerText,
 238                 trimHtml: trimHtml,
 239                 createIdGenerator: createIdGenerator
 240         };
 241 });
 242
 243 // Included from: js/tinymce/plugins/paste/classes/Clipboard.js
 244
 245 /**
 246  * Clipboard.js
 247  *
 248  * Released under LGPL License.
 249  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 250  *
 251  * License: http://www.tinymce.com/license
 252  * Contributing: http://www.tinymce.com/contributing
 253  */
 254
 255 /**
 256  * This class contains logic for getting HTML contents out of the clipboard.
 257  *
 258  * We need to make a lot of ugly hacks to get the contents out of the clipboard since
 259  * the W3C Clipboard API is broken in all browsers that have it: Gecko/WebKit/Blink.
 260  * We might rewrite this the way those API:s stabilize. Browsers doesn't handle pasting
 261  * from applications like Word the same way as it does when pasting into a contentEditable area
 262  * so we need to do lots of extra work to try to get to this clipboard data.
 263  *
 264  * Current implementation steps:
 265  *  1. On keydown with paste keys Ctrl+V or Shift+Insert create
 266  *     a paste bin element and move focus to that element.
 267  *  2. Wait for the browser to fire a "paste" event and get the contents out of the paste bin.
 268  *  3. Check if the paste was successful if true, process the HTML.
 269  *  (4). If the paste was unsuccessful use IE execCommand, Clipboard API, document.dataTransfer old WebKit API etc.
 270  *
 271  * @class tinymce.pasteplugin.Clipboard
 272  * @private
 273  */
 274 define("tinymce/pasteplugin/Clipboard", [
 275         "tinymce/Env",
 276         "tinymce/dom/RangeUtils",
 277         "tinymce/util/VK",
 278         "tinymce/pasteplugin/Utils",
 279         "tinymce/util/Delay"
 280 ], function(Env, RangeUtils, VK, Utils, Delay) {
 281         return function(editor) {
 282                 var self = this, pasteBinElm, lastRng, keyboardPasteTimeStamp = 0, draggingInternally = false;
 283                 var pasteBinDefaultContent = '%MCEPASTEBIN%', keyboardPastePlainTextState;
 284                 var mceInternalUrlPrefix = 'data:text/mce-internal,';
 285                 var uniqueId = Utils.createIdGenerator("mceclip");
 286
 287                 /**
 288                  * Pastes the specified HTML. This means that the HTML is filtered and then
 289                  * inserted at the current selection in the editor. It will also fire paste events
 290                  * for custom user filtering.
 291                  *
 292                  * @param {String} html HTML code to paste into the current selection.
 293                  */
 294                 function pasteHtml(html) {
 295                         var args, dom = editor.dom;
 296
 297                         args = editor.fire('BeforePastePreProcess', {content: html}); // Internal event used by Quirks
 298                         args = editor.fire('PastePreProcess', args);
 299                         html = args.content;
 300
 301                         if (!args.isDefaultPrevented()) {
 302                                 // User has bound PastePostProcess events then we need to pass it through a DOM node
 303                                 // This is not ideal but we don't want to let the browser mess up the HTML for example
 304                                 // some browsers add &nbsp; to P tags etc
 305                                 if (editor.hasEventListeners('PastePostProcess') && !args.isDefaultPrevented()) {
 306                                         // We need to attach the element to the DOM so Sizzle selectors work on the contents
 307                                         var tempBody = dom.add(editor.getBody(), 'div', {style: 'display:none'}, html);
 308                                         args = editor.fire('PastePostProcess', {node: tempBody});
 309                                         dom.remove(tempBody);
 310                                         html = args.node.innerHTML;
 311                                 }
 312
 313                                 if (!args.isDefaultPrevented()) {
 314                                         editor.insertContent(html, {merge: editor.settings.paste_merge_formats !== false, data: {paste: true}});
 315                                 }
 316                         }
 317                 }
 318
 319                 /**
 320                  * Pastes the specified text. This means that the plain text is processed
 321                  * and converted into BR and P elements. It will fire paste events for custom filtering.
 322                  *
 323                  * @param {String} text Text to paste as the current selection location.
 324                  */
 325                 function pasteText(text) {
 326                         text = editor.dom.encode(text).replace(/\r\n/g, '\n');
 327
 328                         var startBlock = editor.dom.getParent(editor.selection.getStart(), editor.dom.isBlock);
 329
 330                         // Create start block html for example <p attr="value">
 331                         var forcedRootBlockName = editor.settings.forced_root_block;
 332                         var forcedRootBlockStartHtml;
 333                         if (forcedRootBlockName) {
 334                                 forcedRootBlockStartHtml = editor.dom.createHTML(forcedRootBlockName, editor.settings.forced_root_block_attrs);
 335                                 forcedRootBlockStartHtml = forcedRootBlockStartHtml.substr(0, forcedRootBlockStartHtml.length - 3) + '>';
 336                         }
 337
 338                         if ((startBlock && /^(PRE|DIV)$/.test(startBlock.nodeName)) || !forcedRootBlockName) {
 339                                 text = Utils.filter(text, [
 340                                         [/\n/g, "<br>"]
 341                                 ]);
 342                         } else {
 343                                 text = Utils.filter(text, [
 344                                         [/\n\n/g, "</p>" + forcedRootBlockStartHtml],
 345                                         [/^(.*<\/p>)(<p>)$/, forcedRootBlockStartHtml + '$1'],
 346                                         [/\n/g, "<br />"]
 347                                 ]);
 348
 349                                 if (text.indexOf('<p>') != -1) {
 350                                         text = forcedRootBlockStartHtml + text;
 351                                 }
 352                         }
 353
 354                         pasteHtml(text);
 355                 }
 356
 357                 /**
 358                  * Creates a paste bin element as close as possible to the current caret location and places the focus inside that element
 359                  * so that when the real paste event occurs the contents gets inserted into this element
 360                  * instead of the current editor selection element.
 361                  */
 362                 function createPasteBin() {
 363                         var dom = editor.dom, body = editor.getBody();
 364                         var viewport = editor.dom.getViewPort(editor.getWin()), scrollTop = viewport.y, top = 20;
 365                         var scrollContainer;
 366
 367                         lastRng = editor.selection.getRng();
 368
 369                         if (editor.inline) {
 370                                 scrollContainer = editor.selection.getScrollContainer();
 371
 372                                 // Can't always rely on scrollTop returning a useful value.
 373                                 // It returns 0 if the browser doesn't support scrollTop for the element or is non-scrollable
 374                                 if (scrollContainer && scrollContainer.scrollTop > 0) {
 375                                         scrollTop = scrollContainer.scrollTop;
 376                                 }
 377                         }
 378
 379                         /**
 380                          * Returns the rect of the current caret if the caret is in an empty block before a
 381                          * BR we insert a temporary invisible character that we get the rect this way we always get a proper rect.
 382                          *
 383                          * TODO: This might be useful in core.
 384                          */
 385                         function getCaretRect(rng) {
 386                                 var rects, textNode, node, container = rng.startContainer;
 387
 388                                 rects = rng.getClientRects();
 389                                 if (rects.length) {
 390                                         return rects[0];
 391                                 }
 392
 393                                 if (!rng.collapsed || container.nodeType != 1) {
 394                                         return;
 395                                 }
 396
 397                                 node = container.childNodes[lastRng.startOffset];
 398
 399                                 // Skip empty whitespace nodes
 400                                 while (node && node.nodeType == 3 && !node.data.length) {
 401                                         node = node.nextSibling;
 402                                 }
 403
 404                                 if (!node) {
 405                                         return;
 406                                 }
 407
 408                                 // Check if the location is |<br>
 409                                 // TODO: Might need to expand this to say |<table>
 410                                 if (node.tagName == 'BR') {
 411                                         textNode = dom.doc.createTextNode('\uFEFF');
 412                                         node.parentNode.insertBefore(textNode, node);
 413
 414                                         rng = dom.createRng();
 415                                         rng.setStartBefore(textNode);
 416                                         rng.setEndAfter(textNode);
 417
 418                                         rects = rng.getClientRects();
 419                                         dom.remove(textNode);
 420                                 }
 421
 422                                 if (rects.length) {
 423                                         return rects[0];
 424                                 }
 425                         }
 426
 427                         // Calculate top cordinate this is needed to avoid scrolling to top of document
 428                         // We want the paste bin to be as close to the caret as possible to avoid scrolling
 429                         if (lastRng.getClientRects) {
 430                                 var rect = getCaretRect(lastRng);
 431
 432                                 if (rect) {
 433                                         // Client rects gets us closes to the actual
 434                                         // caret location in for example a wrapped paragraph block
 435                                         top = scrollTop + (rect.top - dom.getPos(body).y);
 436                                 } else {
 437                                         top = scrollTop;
 438
 439                                         // Check if we can find a closer location by checking the range element
 440                                         var container = lastRng.startContainer;
 441                                         if (container) {
 442                                                 if (container.nodeType == 3 && container.parentNode != body) {
 443                                                         container = container.parentNode;
 444                                                 }
 445
 446                                                 if (container.nodeType == 1) {
 447                                                         top = dom.getPos(container, scrollContainer || body).y;
 448                                                 }
 449                                         }
 450                                 }
 451                         }
 452
 453                         // Create a pastebin
 454                         pasteBinElm = dom.add(editor.getBody(), 'div', {
 455                                 id: "mcepastebin",
 456                                 contentEditable: true,
 457                                 "data-mce-bogus": "all",
 458                                 style: 'position: absolute; top: ' + top + 'px;' +
 459                                         'width: 10px; height: 10px; overflow: hidden; opacity: 0'
 460                         }, pasteBinDefaultContent);
 461
 462                         // Move paste bin out of sight since the controlSelection rect gets displayed otherwise on IE and Gecko
 463                         if (Env.ie || Env.gecko) {
 464                                 dom.setStyle(pasteBinElm, 'left', dom.getStyle(body, 'direction', true) == 'rtl' ? 0xFFFF : -0xFFFF);
 465                         }
 466
 467                         // Prevent focus events from bubbeling fixed FocusManager issues
 468                         dom.bind(pasteBinElm, 'beforedeactivate focusin focusout', function(e) {
 469                                 e.stopPropagation();
 470                         });
 471
 472                         pasteBinElm.focus();
 473                         editor.selection.select(pasteBinElm, true);
 474                 }
 475
 476                 /**
 477                  * Removes the paste bin if it exists.
 478                  */
 479                 function removePasteBin() {
 480                         if (pasteBinElm) {
 481                                 var pasteBinClone;
 482
 483                                 // WebKit/Blink might clone the div so
 484                                 // lets make sure we remove all clones
 485                                 // TODO: Man o man is this ugly. WebKit is the new IE! Remove this if they ever fix it!
 486                                 while ((pasteBinClone = editor.dom.get('mcepastebin'))) {
 487                                         editor.dom.remove(pasteBinClone);
 488                                         editor.dom.unbind(pasteBinClone);
 489                                 }
 490
 491                                 if (lastRng) {
 492                                         editor.selection.setRng(lastRng);
 493                                 }
 494                         }
 495
 496                         pasteBinElm = lastRng = null;
 497                 }
 498
 499                 /**
 500                  * Returns the contents of the paste bin as a HTML string.
 501                  *
 502                  * @return {String} Get the contents of the paste bin.
 503                  */
 504                 function getPasteBinHtml() {
 505                         var html = '', pasteBinClones, i, clone, cloneHtml;
 506
 507                         // Since WebKit/Chrome might clone the paste bin when pasting
 508                         // for example: <img style="float: right"> we need to check if any of them contains some useful html.
 509                         // TODO: Man o man is this ugly. WebKit is the new IE! Remove this if they ever fix it!
 510                         pasteBinClones = editor.dom.select('div[id=mcepastebin]');
 511                         for (i = 0; i < pasteBinClones.length; i++) {
 512                                 clone = pasteBinClones[i];
 513
 514                                 // Pasting plain text produces pastebins in pastebinds makes sence right!?
 515                                 if (clone.firstChild && clone.firstChild.id == 'mcepastebin') {
 516                                         clone = clone.firstChild;
 517                                 }
 518
 519                                 cloneHtml = clone.innerHTML;
 520                                 if (html != pasteBinDefaultContent) {
 521                                         html += cloneHtml;
 522                                 }
 523                         }
 524
 525                         return html;
 526                 }
 527
 528                 /**
 529                  * Gets various content types out of a datatransfer object.
 530                  *
 531                  * @param {DataTransfer} dataTransfer Event fired on paste.
 532                  * @return {Object} Object with mime types and data for those mime types.
 533                  */
 534                 function getDataTransferItems(dataTransfer) {
 535                         var items = {};
 536
 537                         if (dataTransfer) {
 538                                 // Use old WebKit/IE API
 539                                 if (dataTransfer.getData) {
 540                                         var legacyText = dataTransfer.getData('Text');
 541                                         if (legacyText && legacyText.length > 0) {
 542                                                 if (legacyText.indexOf(mceInternalUrlPrefix) == -1) {
 543                                                         items['text/plain'] = legacyText;
 544                                                 }
 545                                         }
 546                                 }
 547
 548                                 if (dataTransfer.types) {
 549                                         for (var i = 0; i < dataTransfer.types.length; i++) {
 550                                                 var contentType = dataTransfer.types[i];
 551                                                 items[contentType] = dataTransfer.getData(contentType);
 552                                         }
 553                                 }
 554                         }
 555
 556                         return items;
 557                 }
 558
 559                 /**
 560                  * Gets various content types out of the Clipboard API. It will also get the
 561                  * plain text using older IE and WebKit API:s.
 562                  *
 563                  * @param {ClipboardEvent} clipboardEvent Event fired on paste.
 564                  * @return {Object} Object with mime types and data for those mime types.
 565                  */
 566                 function getClipboardContent(clipboardEvent) {
 567                         return getDataTransferItems(clipboardEvent.clipboardData || editor.getDoc().dataTransfer);
 568                 }
 569
 570                 function hasHtmlOrText(content) {
 571                         return hasContentType(content, 'text/html') || hasContentType(content, 'text/plain');
 572                 }
 573
 574                 /**
 575                  * Checks if the clipboard contains image data if it does it will take that data
 576                  * and convert it into a data url image and paste that image at the caret location.
 577                  *
 578                  * @param  {ClipboardEvent} e Paste/drop event object.
 579                  * @param  {DOMRange} rng Rng object to move selection to.
 580                  * @return {Boolean} true/false if the image data was found or not.
 581                  */
 582                 function pasteImageData(e, rng) {
 583                         var dataTransfer = e.clipboardData || e.dataTransfer;
 584
 585                         function getBase64FromUri(uri) {
 586                                 var idx;
 587
 588                                 idx = uri.indexOf(',');
 589                                 if (idx !== -1) {
 590                                         return uri.substr(idx + 1);
 591                                 }
 592
 593                                 return null;
 594                         }
 595
 596                         function processItems(items) {
 597                                 var i, item, reader, hadImage = false;
 598
 599                                 function pasteImage(reader, blob) {
 600                                         if (rng) {
 601                                                 editor.selection.setRng(rng);
 602                                                 rng = null;
 603                                         }
 604
 605                                         var blobCache = editor.editorUpload.blobCache;
 606                                         var blobInfo = blobCache.create(uniqueId(), blob, getBase64FromUri(reader.result));
 607                                         blobCache.add(blobInfo);
 608
 609                                         pasteHtml('<img src="' + blobInfo.blobUri() + '">');
 610                                 }
 611
 612                                 if (items) {
 613                                         for (i = 0; i < items.length; i++) {
 614                                                 item = items[i];
 615
 616                                                 if (/^image\/(jpeg|png|gif|bmp)$/.test(item.type)) {
 617                                                         var blob = item.getAsFile ? item.getAsFile() : item;
 618
 619                                                         reader = new FileReader();
 620                                                         reader.onload = pasteImage.bind(null, reader, blob);
 621                                                         reader.readAsDataURL(blob);
 622
 623                                                         e.preventDefault();
 624                                                         hadImage = true;
 625                                                 }
 626                                         }
 627                                 }
 628
 629                                 return hadImage;
 630                         }
 631
 632                         if (editor.settings.paste_data_images && dataTransfer) {
 633                                 return processItems(dataTransfer.items) || processItems(dataTransfer.files);
 634                         }
 635                 }
 636
 637                 /**
 638                  * Chrome on Android doesn't support proper clipboard access so we have no choice but to allow the browser default behavior.
 639                  *
 640                  * @param {Event} e Paste event object to check if it contains any data.
 641                  * @return {Boolean} true/false if the clipboard is empty or not.
 642                  */
 643                 function isBrokenAndroidClipboardEvent(e) {
 644                         var clipboardData = e.clipboardData;
 645
 646                         return navigator.userAgent.indexOf('Android') != -1 && clipboardData && clipboardData.items && clipboardData.items.length === 0;
 647                 }
 648
 649                 function getCaretRangeFromEvent(e) {
 650                         return RangeUtils.getCaretRangeFromPoint(e.clientX, e.clientY, editor.getDoc());
 651                 }
 652
 653                 function hasContentType(clipboardContent, mimeType) {
 654                         return mimeType in clipboardContent && clipboardContent[mimeType].length > 0;
 655                 }
 656
 657                 function isKeyboardPasteEvent(e) {
 658                         return (VK.metaKeyPressed(e) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45);
 659                 }
 660
 661                 function registerEventHandlers() {
 662                         editor.on('keydown', function(e) {
 663                                 function removePasteBinOnKeyUp(e) {
 664                                         // Ctrl+V or Shift+Insert
 665                                         if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
 666                                                 removePasteBin();
 667                                         }
 668                                 }
 669
 670                                 // Ctrl+V or Shift+Insert
 671                                 if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
 672                                         keyboardPastePlainTextState = e.shiftKey && e.keyCode == 86;
 673
 674                                         // Edge case on Safari on Mac where it doesn't handle Cmd+Shift+V correctly
 675                                         // it fires the keydown but no paste or keyup so we are left with a paste bin
 676                                         if (keyboardPastePlainTextState && Env.webkit && navigator.userAgent.indexOf('Version/') != -1) {
 677                                                 return;
 678                                         }
 679
 680                                         // Prevent undoManager keydown handler from making an undo level with the pastebin in it
 681                                         e.stopImmediatePropagation();
 682
 683                                         keyboardPasteTimeStamp = new Date().getTime();
 684
 685                                         // IE doesn't support Ctrl+Shift+V and it doesn't even produce a paste event
 686                                         // so lets fake a paste event and let IE use the execCommand/dataTransfer methods
 687                                         if (Env.ie && keyboardPastePlainTextState) {
 688                                                 e.preventDefault();
 689                                                 editor.fire('paste', {ieFake: true});
 690                                                 return;
 691                                         }
 692
 693                                         removePasteBin();
 694                                         createPasteBin();
 695
 696                                         // Remove pastebin if we get a keyup and no paste event
 697                                         // For example pasting a file in IE 11 will not produce a paste event
 698                                         editor.once('keyup', removePasteBinOnKeyUp);
 699                                         editor.once('paste', function() {
 700                                                 editor.off('keyup', removePasteBinOnKeyUp);
 701                                         });
 702                                 }
 703                         });
 704
 705                         function insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode) {
 706                                 var content;
 707
 708                                 // Grab HTML from Clipboard API or paste bin as a fallback
 709                                 if (hasContentType(clipboardContent, 'text/html')) {
 710                                         content = clipboardContent['text/html'];
 711                                 } else {
 712                                         content = getPasteBinHtml();
 713
 714                                         // If paste bin is empty try using plain text mode
 715                                         // since that is better than nothing right
 716                                         if (content == pasteBinDefaultContent) {
 717                                                 plainTextMode = true;
 718                                         }
 719                                 }
 720
 721                                 content = Utils.trimHtml(content);
 722
 723                                 // WebKit has a nice bug where it clones the paste bin if you paste from for example notepad
 724                                 // so we need to force plain text mode in this case
 725                                 if (pasteBinElm && pasteBinElm.firstChild && pasteBinElm.firstChild.id === 'mcepastebin') {
 726                                         plainTextMode = true;
 727                                 }
 728
 729                                 removePasteBin();
 730
 731                                 // If we got nothing from clipboard API and pastebin then we could try the last resort: plain/text
 732                                 if (!content.length) {
 733                                         plainTextMode = true;
 734                                 }
 735
 736                                 // Grab plain text from Clipboard API or convert existing HTML to plain text
 737                                 if (plainTextMode) {
 738                                         // Use plain text contents from Clipboard API unless the HTML contains paragraphs then
 739                                         // we should convert the HTML to plain text since works better when pasting HTML/Word contents as plain text
 740                                         if (hasContentType(clipboardContent, 'text/plain') && content.indexOf('</p>') == -1) {
 741                                                 content = clipboardContent['text/plain'];
 742                                         } else {
 743                                                 content = Utils.innerText(content);
 744                                         }
 745                                 }
 746
 747                                 // If the content is the paste bin default HTML then it was
 748                                 // impossible to get the cliboard data out.
 749                                 if (content == pasteBinDefaultContent) {
 750                                         if (!isKeyBoardPaste) {
 751                                                 editor.windowManager.alert('Please use Ctrl+V/Cmd+V keyboard shortcuts to paste contents.');
 752                                         }
 753
 754                                         return;
 755                                 }
 756
 757                                 if (plainTextMode) {
 758                                         pasteText(content);
 759                                 } else {
 760                                         pasteHtml(content);
 761                                 }
 762                         }
 763
 764                         var getLastRng = function() {
 765                                 return lastRng || editor.selection.getRng();
 766                         };
 767
 768                         editor.on('paste', function(e) {
 769                                 // Getting content from the Clipboard can take some time
 770                                 var clipboardTimer = new Date().getTime();
 771                                 var clipboardContent = getClipboardContent(e);
 772                                 var clipboardDelay = new Date().getTime() - clipboardTimer;
 773
 774                                 var isKeyBoardPaste = (new Date().getTime() - keyboardPasteTimeStamp - clipboardDelay) < 1000;
 775                                 var plainTextMode = self.pasteFormat == "text" || keyboardPastePlainTextState;
 776
 777                                 keyboardPastePlainTextState = false;
 778
 779                                 if (e.isDefaultPrevented() || isBrokenAndroidClipboardEvent(e)) {
 780                                         removePasteBin();
 781                                         return;
 782                                 }
 783
 784                                 if (!hasHtmlOrText(clipboardContent) && pasteImageData(e, getLastRng())) {
 785                                         removePasteBin();
 786                                         return;
 787                                 }
 788
 789                                 // Not a keyboard paste prevent default paste and try to grab the clipboard contents using different APIs
 790                                 if (!isKeyBoardPaste) {
 791                                         e.preventDefault();
 792                                 }
 793
 794                                 // Try IE only method if paste isn't a keyboard paste
 795                                 if (Env.ie && (!isKeyBoardPaste || e.ieFake)) {
 796                                         createPasteBin();
 797
 798                                         editor.dom.bind(pasteBinElm, 'paste', function(e) {
 799                                                 e.stopPropagation();
 800                                         });
 801
 802                                         editor.getDoc().execCommand('Paste', false, null);
 803                                         clipboardContent["text/html"] = getPasteBinHtml();
 804                                 }
 805
 806                                 // If clipboard API has HTML then use that directly
 807                                 if (hasContentType(clipboardContent, 'text/html')) {
 808                                         e.preventDefault();
 809                                         insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode);
 810                                 } else {
 811                                         Delay.setEditorTimeout(editor, function() {
 812                                                 insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode);
 813                                         }, 0);
 814                                 }
 815                         });
 816
 817                         editor.on('dragstart dragend', function(e) {
 818                                 draggingInternally = e.type == 'dragstart';
 819                         });
 820
 821                         editor.on('drop', function(e) {
 822                                 var dropContent, rng;
 823
 824                                 rng = getCaretRangeFromEvent(e);
 825
 826                                 if (e.isDefaultPrevented() || draggingInternally) {
 827                                         return;
 828                                 }
 829
 830                                 dropContent = getDataTransferItems(e.dataTransfer);
 831
 832                                 if (!hasHtmlOrText(dropContent) && pasteImageData(e, rng)) {
 833                                         return;
 834                                 }
 835
 836                                 if (rng && editor.settings.paste_filter_drop !== false) {
 837                                         var content = dropContent['mce-internal'] || dropContent['text/html'] || dropContent['text/plain'];
 838
 839                                         if (content) {
 840                                                 e.preventDefault();
 841
 842                                                 editor.undoManager.transact(function() {
 843                                                         if (dropContent['mce-internal']) {
 844                                                                 editor.execCommand('Delete');
 845                                                         }
 846
 847                                                         editor.selection.setRng(rng);
 848
 849                                                         content = Utils.trimHtml(content);
 850
 851                                                         if (!dropContent['text/html']) {
 852                                                                 pasteText(content);
 853                                                         } else {
 854                                                                 pasteHtml(content);
 855                                                         }
 856                                                 });
 857                                         }
 858                                 }
 859                         });
 860
 861                         editor.on('dragover dragend', function(e) {
 862                                 if (editor.settings.paste_data_images) {
 863                                         e.preventDefault();
 864                                 }
 865                         });
 866                 }
 867
 868                 self.pasteHtml = pasteHtml;
 869                 self.pasteText = pasteText;
 870
 871                 editor.on('preInit', function() {
 872                         registerEventHandlers();
 873
 874                         // Remove all data images from paste for example from Gecko
 875                         // except internal images like video elements
 876                         editor.parser.addNodeFilter('img', function(nodes, name, args) {
 877                                 function isPasteInsert(args) {
 878                                         return args.data && args.data.paste === true;
 879                                 }
 880
 881                                 function remove(node) {
 882                                         if (!node.attr('data-mce-object') && src !== Env.transparentSrc) {
 883                                                 node.remove();
 884                                         }
 885                                 }
 886
 887                                 function isWebKitFakeUrl(src) {
 888                                         return src.indexOf("webkit-fake-url") === 0;
 889                                 }
 890
 891                                 function isDataUri(src) {
 892                                         return src.indexOf("data:") === 0;
 893                                 }
 894
 895                                 if (!editor.settings.paste_data_images && isPasteInsert(args)) {
 896                                         var i = nodes.length;
 897
 898                                         while (i--) {
 899                                                 var src = nodes[i].attributes.map.src;
 900
 901                                                 if (!src) {
 902                                                         continue;
 903                                                 }
 904
 905                                                 // Safari on Mac produces webkit-fake-url see: https://bugs.webkit.org/show_bug.cgi?id=49141
 906                                                 if (isWebKitFakeUrl(src)) {
 907                                                         remove(nodes[i]);
 908                                                 } else if (!editor.settings.allow_html_data_urls && isDataUri(src)) {
 909                                                         remove(nodes[i]);
 910                                                 }
 911                                         }
 912                                 }
 913                         });
 914                 });
 915         };
 916 });
 917
 918 // Included from: js/tinymce/plugins/paste/classes/WordFilter.js
 919
 920 /**
 921  * WordFilter.js
 922  *
 923  * Released under LGPL License.
 924  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 925  *
 926  * License: http://www.tinymce.com/license
 927  * Contributing: http://www.tinymce.com/contributing
 928  */
 929
 930 /**
 931  * This class parses word HTML into proper TinyMCE markup.
 932  *
 933  * @class tinymce.pasteplugin.WordFilter
 934  * @private
 935  */
 936 define("tinymce/pasteplugin/WordFilter", [
 937         "tinymce/util/Tools",
 938         "tinymce/html/DomParser",
 939         "tinymce/html/Schema",
 940         "tinymce/html/Serializer",
 941         "tinymce/html/Node",
 942         "tinymce/pasteplugin/Utils"
 943 ], function(Tools, DomParser, Schema, Serializer, Node, Utils) {
 944         /**
 945          * Checks if the specified content is from any of the following sources: MS Word/Office 365/Google docs.
 946          */
 947         function isWordContent(content) {
 948                 return (
 949                         (/<font face="Times New Roman"|class="?Mso|style="[^"]*\bmso-|style='[^'']*\bmso-|w:WordDocument/i).test(content) ||
 950                         (/class="OutlineElement/).test(content) ||
 951                         (/id="?docs\-internal\-guid\-/.test(content))
 952                 );
 953         }
 954
 955         /**
 956          * Checks if the specified text starts with "1. " or "a. " etc.
 957          */
 958         function isNumericList(text) {
 959                 var found, patterns;
 960
 961                 patterns = [
 962                         /^[IVXLMCD]{1,2}\.[ \u00a0]/,  // Roman upper case
 963                         /^[ivxlmcd]{1,2}\.[ \u00a0]/,  // Roman lower case
 964                         /^[a-z]{1,2}[\.\)][ \u00a0]/,  // Alphabetical a-z
 965                         /^[A-Z]{1,2}[\.\)][ \u00a0]/,  // Alphabetical A-Z
 966                         /^[0-9]+\.[ \u00a0]/,          // Numeric lists
 967                         /^[\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d]+\.[ \u00a0]/, // Japanese
 968                         /^[\u58f1\u5f10\u53c2\u56db\u4f0d\u516d\u4e03\u516b\u4e5d\u62fe]+\.[ \u00a0]/  // Chinese
 969                 ];
 970
 971                 text = text.replace(/^[\u00a0 ]+/, '');
 972
 973                 Tools.each(patterns, function(pattern) {
 974                         if (pattern.test(text)) {
 975                                 found = true;
 976                                 return false;
 977                         }
 978                 });
 979
 980                 return found;
 981         }
 982
 983         function isBulletList(text) {
 984                 return /^[\s\u00a0]*[\u2022\u00b7\u00a7\u25CF]\s*/.test(text);
 985         }
 986
 987         function WordFilter(editor) {
 988                 var settings = editor.settings;
 989
 990                 editor.on('BeforePastePreProcess', function(e) {
 991                         var content = e.content, retainStyleProperties, validStyles;
 992
 993                         // Remove google docs internal guid markers
 994                         content = content.replace(/<b[^>]+id="?docs-internal-[^>]*>/gi, '');
 995                         content = content.replace(/<br class="?Apple-interchange-newline"?>/gi, '');
 996
 997                         retainStyleProperties = settings.paste_retain_style_properties;
 998                         if (retainStyleProperties) {
 999                                 validStyles = Tools.makeMap(retainStyleProperties.split(/[, ]/));
1000                         }
1001
1002                         /**
1003                          * Converts fake bullet and numbered lists to real semantic OL/UL.
1004                          *
1005                          * @param {tinymce.html.Node} node Root node to convert children of.
1006                          */
1007                         function convertFakeListsToProperLists(node) {
1008                                 var currentListNode, prevListNode, lastLevel = 1;
1009
1010                                 function getText(node) {
1011                                         var txt = '';
1012
1013                                         if (node.type === 3) {
1014                                                 return node.value;
1015                                         }
1016
1017                                         if ((node = node.firstChild)) {
1018                                                 do {
1019                                                         txt += getText(node);
1020                                                 } while ((node = node.next));
1021                                         }
1022
1023                                         return txt;
1024                                 }
1025
1026                                 function trimListStart(node, regExp) {
1027                                         if (node.type === 3) {
1028                                                 if (regExp.test(node.value)) {
1029                                                         node.value = node.value.replace(regExp, '');
1030                                                         return false;
1031                                                 }
1032                                         }
1033
1034                                         if ((node = node.firstChild)) {
1035                                                 do {
1036                                                         if (!trimListStart(node, regExp)) {
1037                                                                 return false;
1038                                                         }
1039                                                 } while ((node = node.next));
1040                                         }
1041
1042                                         return true;
1043                                 }
1044
1045                                 function removeIgnoredNodes(node) {
1046                                         if (node._listIgnore) {
1047                                                 node.remove();
1048                                                 return;
1049                                         }
1050
1051                                         if ((node = node.firstChild)) {
1052                                                 do {
1053                                                         removeIgnoredNodes(node);
1054                                                 } while ((node = node.next));
1055                                         }
1056                                 }
1057
1058                                 function convertParagraphToLi(paragraphNode, listName, start) {
1059                                         var level = paragraphNode._listLevel || lastLevel;
1060
1061                                         // Handle list nesting
1062                                         if (level != lastLevel) {
1063                                                 if (level < lastLevel) {
1064                                                         // Move to parent list
1065                                                         if (currentListNode) {
1066                                                                 currentListNode = currentListNode.parent.parent;
1067                                                         }
1068                                                 } else {
1069                                                         // Create new list
1070                                                         prevListNode = currentListNode;
1071                                                         currentListNode = null;
1072                                                 }
1073                                         }
1074
1075                                         if (!currentListNode || currentListNode.name != listName) {
1076                                                 prevListNode = prevListNode || currentListNode;
1077                                                 currentListNode = new Node(listName, 1);
1078
1079                                                 if (start > 1) {
1080                                                         currentListNode.attr('start', '' + start);
1081                                                 }
1082
1083                                                 paragraphNode.wrap(currentListNode);
1084                                         } else {
1085                                                 currentListNode.append(paragraphNode);
1086                                         }
1087
1088                                         paragraphNode.name = 'li';
1089
1090                                         // Append list to previous list if it exists
1091                                         if (level > lastLevel && prevListNode) {
1092                                                 prevListNode.lastChild.append(currentListNode);
1093                                         }
1094
1095                                         lastLevel = level;
1096
1097                                         // Remove start of list item "1. " or "&middot; " etc
1098                                         removeIgnoredNodes(paragraphNode);
1099                                         trimListStart(paragraphNode, /^\u00a0+/);
1100                                         trimListStart(paragraphNode, /^\s*([\u2022\u00b7\u00a7\u25CF]|\w+\.)/);
1101                                         trimListStart(paragraphNode, /^\u00a0+/);
1102                                 }
1103
1104                                 // Build a list of all root level elements before we start
1105                                 // altering them in the loop below.
1106                                 var elements = [], child = node.firstChild;
1107                                 while (typeof child !== 'undefined' && child !== null) {
1108                                         elements.push(child);
1109
1110                                         child = child.walk();
1111                                         if (child !== null) {
1112                                                 while (typeof child !== 'undefined' && child.parent !== node) {
1113                                                         child = child.walk();
1114                                                 }
1115                                         }
1116                                 }
1117
1118                                 for (var i = 0; i < elements.length; i++) {
1119                                         node = elements[i];
1120
1121                                         if (node.name == 'p' && node.firstChild) {
1122                                                 // Find first text node in paragraph
1123                                                 var nodeText = getText(node);
1124
1125                                                 // Detect unordered lists look for bullets
1126                                                 if (isBulletList(nodeText)) {
1127                                                         convertParagraphToLi(node, 'ul');
1128                                                         continue;
1129                                                 }
1130
1131                                                 // Detect ordered lists 1., a. or ixv.
1132                                                 if (isNumericList(nodeText)) {
1133                                                         // Parse OL start number
1134                                                         var matches = /([0-9]+)\./.exec(nodeText);
1135                                                         var start = 1;
1136                                                         if (matches) {
1137                                                                 start = parseInt(matches[1], 10);
1138                                                         }
1139
1140                                                         convertParagraphToLi(node, 'ol', start);
1141                                                         continue;
1142                                                 }
1143
1144                                                 // Convert paragraphs marked as lists but doesn't look like anything
1145                                                 if (node._listLevel) {
1146                                                         convertParagraphToLi(node, 'ul', 1);
1147                                                         continue;
1148                                                 }
1149
1150                                                 currentListNode = null;
1151                                         } else {
1152                                                 // If the root level element isn't a p tag which can be
1153                                                 // processed by convertParagraphToLi, it interrupts the
1154                                                 // lists, causing a new list to start instead of having
1155                                                 // elements from the next list inserted above this tag.
1156                                                 prevListNode = currentListNode;
1157                                                 currentListNode = null;
1158                                         }
1159                                 }
1160                         }
1161
1162                         function filterStyles(node, styleValue) {
1163                                 var outputStyles = {}, matches, styles = editor.dom.parseStyle(styleValue);
1164
1165                                 Tools.each(styles, function(value, name) {
1166                                         // Convert various MS styles to W3C styles
1167                                         switch (name) {
1168                                                 case 'mso-list':
1169                                                         // Parse out list indent level for lists
1170                                                         matches = /\w+ \w+([0-9]+)/i.exec(styleValue);
1171                                                         if (matches) {
1172                                                                 node._listLevel = parseInt(matches[1], 10);
1173                                                         }
1174
1175                                                         // Remove these nodes <span style="mso-list:Ignore">o</span>
1176                                                         // Since the span gets removed we mark the text node and the span
1177                                                         if (/Ignore/i.test(value) && node.firstChild) {
1178                                                                 node._listIgnore = true;
1179                                                                 node.firstChild._listIgnore = true;
1180                                                         }
1181
1182                                                         break;
1183
1184                                                 case "horiz-align":
1185                                                         name = "text-align";
1186                                                         break;
1187
1188                                                 case "vert-align":
1189                                                         name = "vertical-align";
1190                                                         break;
1191
1192                                                 case "font-color":
1193                                                 case "mso-foreground":
1194                                                         name = "color";
1195                                                         break;
1196
1197                                                 case "mso-background":
1198                                                 case "mso-highlight":
1199                                                         name = "background";
1200                                                         break;
1201
1202                                                 case "font-weight":
1203                                                 case "font-style":
1204                                                         if (value != "normal") {
1205                                                                 outputStyles[name] = value;
1206                                                         }
1207                                                         return;
1208
1209                                                 case "mso-element":
1210                                                         // Remove track changes code
1211                                                         if (/^(comment|comment-list)$/i.test(value)) {
1212                                                                 node.remove();
1213                                                                 return;
1214                                                         }
1215
1216                                                         break;
1217                                         }
1218
1219                                         if (name.indexOf('mso-comment') === 0) {
1220                                                 node.remove();
1221                                                 return;
1222                                         }
1223
1224                                         // Never allow mso- prefixed names
1225                                         if (name.indexOf('mso-') === 0) {
1226                                                 return;
1227                                         }
1228
1229                                         // Output only valid styles
1230                                         if (retainStyleProperties == "all" || (validStyles && validStyles[name])) {
1231                                                 outputStyles[name] = value;
1232                                         }
1233                                 });
1234
1235                                 // Convert bold style to "b" element
1236                                 if (/(bold)/i.test(outputStyles["font-weight"])) {
1237                                         delete outputStyles["font-weight"];
1238                                         node.wrap(new Node("b", 1));
1239                                 }
1240
1241                                 // Convert italic style to "i" element
1242                                 if (/(italic)/i.test(outputStyles["font-style"])) {
1243                                         delete outputStyles["font-style"];
1244                                         node.wrap(new Node("i", 1));
1245                                 }
1246
1247                                 // Serialize the styles and see if there is something left to keep
1248                                 outputStyles = editor.dom.serializeStyle(outputStyles, node.name);
1249                                 if (outputStyles) {
1250                                         return outputStyles;
1251                                 }
1252
1253                                 return null;
1254                         }
1255
1256                         if (settings.paste_enable_default_filters === false) {
1257                                 return;
1258                         }
1259
1260                         // Detect is the contents is Word junk HTML
1261                         if (isWordContent(e.content)) {
1262                                 e.wordContent = true; // Mark it for other processors
1263
1264                                 // Remove basic Word junk
1265                                 content = Utils.filter(content, [
1266                                         // Word comments like conditional comments etc
1267                                         /<!--[\s\S]+?-->/gi,
1268
1269                                         // Remove comments, scripts (e.g., msoShowComment), XML tag, VML content,
1270                                         // MS Office namespaced tags, and a few other tags
1271                                         /<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
1272
1273                                         // Convert <s> into <strike> for line-though
1274                                         [/<(\/?)s>/gi, "<$1strike>"],
1275
1276                                         // Replace nsbp entites to char since it's easier to handle
1277                                         [/&nbsp;/gi, "\u00a0"],
1278
1279                                         // Convert <span style="mso-spacerun:yes">___</span> to string of alternating
1280                                         // breaking/non-breaking spaces of same length
1281                                         [/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
1282                                                 function(str, spaces) {
1283                                                         return (spaces.length > 0) ?
1284                                                                 spaces.replace(/./, " ").slice(Math.floor(spaces.length / 2)).split("").join("\u00a0") : "";
1285                                                 }
1286                                         ]
1287                                 ]);
1288
1289                                 var validElements = settings.paste_word_valid_elements;
1290                                 if (!validElements) {
1291                                         validElements = (
1292                                                 '-strong/b,-em/i,-u,-span,-p,-ol,-ul,-li,-h1,-h2,-h3,-h4,-h5,-h6,' +
1293                                                 '-p/div,-a[href|name],sub,sup,strike,br,del,table[width],tr,' +
1294                                                 'td[colspan|rowspan|width],th[colspan|rowspan|width],thead,tfoot,tbody'
1295                                         );
1296                                 }
1297
1298                                 // Setup strict schema
1299                                 var schema = new Schema({
1300                                         valid_elements: validElements,
1301                                         valid_children: '-li[p]'
1302                                 });
1303
1304                                 // Add style/class attribute to all element rules since the user might have removed them from
1305                                 // paste_word_valid_elements config option and we need to check them for properties
1306                                 Tools.each(schema.elements, function(rule) {
1307                                         /*eslint dot-notation:0*/
1308                                         if (!rule.attributes["class"]) {
1309                                                 rule.attributes["class"] = {};
1310                                                 rule.attributesOrder.push("class");
1311                                         }
1312
1313                                         if (!rule.attributes.style) {
1314                                                 rule.attributes.style = {};
1315                                                 rule.attributesOrder.push("style");
1316                                         }
1317                                 });
1318
1319                                 // Parse HTML into DOM structure
1320                                 var domParser = new DomParser({}, schema);
1321
1322                                 // Filter styles to remove "mso" specific styles and convert some of them
1323                                 domParser.addAttributeFilter('style', function(nodes) {
1324                                         var i = nodes.length, node;
1325
1326                                         while (i--) {
1327                                                 node = nodes[i];
1328                                                 node.attr('style', filterStyles(node, node.attr('style')));
1329
1330                                                 // Remove pointess spans
1331                                                 if (node.name == 'span' && node.parent && !node.attributes.length) {
1332                                                         node.unwrap();
1333                                                 }
1334                                         }
1335                                 });
1336
1337                                 // Check the class attribute for comments or del items and remove those
1338                                 domParser.addAttributeFilter('class', function(nodes) {
1339                                         var i = nodes.length, node, className;
1340
1341                                         while (i--) {
1342                                                 node = nodes[i];
1343
1344                                                 className = node.attr('class');
1345                                                 if (/^(MsoCommentReference|MsoCommentText|msoDel)$/i.test(className)) {
1346                                                         node.remove();
1347                                                 }
1348
1349                                                 node.attr('class', null);
1350                                         }
1351                                 });
1352
1353                                 // Remove all del elements since we don't want the track changes code in the editor
1354                                 domParser.addNodeFilter('del', function(nodes) {
1355                                         var i = nodes.length;
1356
1357                                         while (i--) {
1358                                                 nodes[i].remove();
1359                                         }
1360                                 });
1361
1362                                 // Keep some of the links and anchors
1363                                 domParser.addNodeFilter('a', function(nodes) {
1364                                         var i = nodes.length, node, href, name;
1365
1366                                         while (i--) {
1367                                                 node = nodes[i];
1368                                                 href = node.attr('href');
1369                                                 name = node.attr('name');
1370
1371                                                 if (href && href.indexOf('#_msocom_') != -1) {
1372                                                         node.remove();
1373                                                         continue;
1374                                                 }
1375
1376                                                 if (href && href.indexOf('file://') === 0) {
1377                                                         href = href.split('#')[1];
1378                                                         if (href) {
1379                                                                 href = '#' + href;
1380                                                         }
1381                                                 }
1382
1383                                                 if (!href && !name) {
1384                                                         node.unwrap();
1385                                                 } else {
1386                                                         // Remove all named anchors that aren't specific to TOC, Footnotes or Endnotes
1387                                                         if (name && !/^_?(?:toc|edn|ftn)/i.test(name)) {
1388                                                                 node.unwrap();
1389                                                                 continue;
1390                                                         }
1391
1392                                                         node.attr({
1393                                                                 href: href,
1394                                                                 name: name
1395                                                         });
1396                                                 }
1397                                         }
1398                                 });
1399
1400                                 // Parse into DOM structure
1401                                 var rootNode = domParser.parse(content);
1402
1403                                 // Process DOM
1404                                 if (settings.paste_convert_word_fake_lists !== false) {
1405                                         convertFakeListsToProperLists(rootNode);
1406                                 }
1407
1408                                 // Serialize DOM back to HTML
1409                                 e.content = new Serializer({
1410                                         validate: settings.validate
1411                                 }, schema).serialize(rootNode);
1412                         }
1413                 });
1414         }
1415
1416         WordFilter.isWordContent = isWordContent;
1417
1418         return WordFilter;
1419 });
1420
1421 // Included from: js/tinymce/plugins/paste/classes/Quirks.js
1422
1423 /**
1424  * Quirks.js
1425  *
1426  * Released under LGPL License.
1427  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
1428  *
1429  * License: http://www.tinymce.com/license
1430  * Contributing: http://www.tinymce.com/contributing
1431  */
1432
1433 /**
1434  * This class contains various fixes for browsers. These issues can not be feature
1435  * detected since we have no direct control over the clipboard. However we might be able
1436  * to remove some of these fixes once the browsers gets updated/fixed.
1437  *
1438  * @class tinymce.pasteplugin.Quirks
1439  * @private
1440  */
1441 define("tinymce/pasteplugin/Quirks", [
1442         "tinymce/Env",
1443         "tinymce/util/Tools",
1444         "tinymce/pasteplugin/WordFilter",
1445         "tinymce/pasteplugin/Utils"
1446 ], function(Env, Tools, WordFilter, Utils) {
1447         "use strict";
1448
1449         return function(editor) {
1450                 function addPreProcessFilter(filterFunc) {
1451                         editor.on('BeforePastePreProcess', function(e) {
1452                                 e.content = filterFunc(e.content);
1453                         });
1454                 }
1455
1456                 /**
1457                  * Removes BR elements after block elements. IE9 has a nasty bug where it puts a BR element after each
1458                  * block element when pasting from word. This removes those elements.
1459                  *
1460                  * This:
1461                  *  <p>a</p><br><p>b</p>
1462                  *
1463                  * Becomes:
1464                  *  <p>a</p><p>b</p>
1465                  */
1466                 function removeExplorerBrElementsAfterBlocks(html) {
1467                         // Only filter word specific content
1468                         if (!WordFilter.isWordContent(html)) {
1469                                 return html;
1470                         }
1471
1472                         // Produce block regexp based on the block elements in schema
1473                         var blockElements = [];
1474
1475                         Tools.each(editor.schema.getBlockElements(), function(block, blockName) {
1476                                 blockElements.push(blockName);
1477                         });
1478
1479                         var explorerBlocksRegExp = new RegExp(
1480                                 '(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*(<\\/?(' + blockElements.join('|') + ')[^>]*>)(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*',
1481                                 'g'
1482                         );
1483
1484                         // Remove BR:s from: <BLOCK>X</BLOCK><BR>
1485                         html = Utils.filter(html, [
1486                                 [explorerBlocksRegExp, '$1']
1487                         ]);
1488
1489                         // IE9 also adds an extra BR element for each soft-linefeed and it also adds a BR for each word wrap break
1490                         html = Utils.filter(html, [
1491                                 [/<br><br>/g, '<BR><BR>'], // Replace multiple BR elements with uppercase BR to keep them intact
1492                                 [/<br>/g, ' '],            // Replace single br elements with space since they are word wrap BR:s
1493                                 [/<BR><BR>/g, '<br>']      // Replace back the double brs but into a single BR
1494                         ]);
1495
1496                         return html;
1497                 }
1498
1499                 /**
1500                  * WebKit has a nasty bug where the all computed styles gets added to style attributes when copy/pasting contents.
1501                  * This fix solves that by simply removing the whole style attribute.
1502                  *
1503                  * The paste_webkit_styles option can be set to specify what to keep:
1504                  *  paste_webkit_styles: "none" // Keep no styles
1505                  *  paste_webkit_styles: "all", // Keep all of them
1506                  *  paste_webkit_styles: "font-weight color" // Keep specific ones
1507                  *
1508                  * @param {String} content Content that needs to be processed.
1509                  * @return {String} Processed contents.
1510                  */
1511                 function removeWebKitStyles(content) {
1512                         // Passthrough all styles from Word and let the WordFilter handle that junk
1513                         if (WordFilter.isWordContent(content)) {
1514                                 return content;
1515                         }
1516
1517                         // Filter away styles that isn't matching the target node
1518                         var webKitStyles = editor.settings.paste_webkit_styles;
1519
1520                         if (editor.settings.paste_remove_styles_if_webkit === false || webKitStyles == "all") {
1521                                 return content;
1522                         }
1523
1524                         if (webKitStyles) {
1525                                 webKitStyles = webKitStyles.split(/[, ]/);
1526                         }
1527
1528                         // Keep specific styles that doesn't match the current node computed style
1529                         if (webKitStyles) {
1530                                 var dom = editor.dom, node = editor.selection.getNode();
1531
1532                                 content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, function(all, before, value, after) {
1533                                         var inputStyles = dom.parseStyle(value, 'span'), outputStyles = {};
1534
1535                                         if (webKitStyles === "none") {
1536                                                 return before + after;
1537                                         }
1538
1539                                         for (var i = 0; i < webKitStyles.length; i++) {
1540                                                 var inputValue = inputStyles[webKitStyles[i]], currentValue = dom.getStyle(node, webKitStyles[i], true);
1541
1542                                                 if (/color/.test(webKitStyles[i])) {
1543                                                         inputValue = dom.toHex(inputValue);
1544                                                         currentValue = dom.toHex(currentValue);
1545                                                 }
1546
1547                                                 if (currentValue != inputValue) {
1548                                                         outputStyles[webKitStyles[i]] = inputValue;
1549                                                 }
1550                                         }
1551
1552                                         outputStyles = dom.serializeStyle(outputStyles, 'span');
1553                                         if (outputStyles) {
1554                                                 return before + ' style="' + outputStyles + '"' + after;
1555                                         }
1556
1557                                         return before + after;
1558                                 });
1559                         } else {
1560                                 // Remove all external styles
1561                                 content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, '$1$3');
1562                         }
1563
1564                         // Keep internal styles
1565                         content = content.replace(/(<[^>]+) data-mce-style="([^"]+)"([^>]*>)/gi, function(all, before, value, after) {
1566                                 return before + ' style="' + value + '"' + after;
1567                         });
1568
1569                         return content;
1570                 }
1571
1572                 // Sniff browsers and apply fixes since we can't feature detect
1573                 if (Env.webkit) {
1574                         addPreProcessFilter(removeWebKitStyles);
1575                 }
1576
1577                 if (Env.ie) {
1578                         addPreProcessFilter(removeExplorerBrElementsAfterBlocks);
1579                 }
1580         };
1581 });
1582
1583 // Included from: js/tinymce/plugins/paste/classes/Plugin.js
1584
1585 /**
1586  * Plugin.js
1587  *
1588  * Released under LGPL License.
1589  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
1590  *
1591  * License: http://www.tinymce.com/license
1592  * Contributing: http://www.tinymce.com/contributing
1593  */
1594
1595 /**
1596  * This class contains the tinymce plugin logic for the paste plugin.
1597  *
1598  * @class tinymce.pasteplugin.Plugin
1599  * @private
1600  */
1601 define("tinymce/pasteplugin/Plugin", [
1602         "tinymce/PluginManager",
1603         "tinymce/pasteplugin/Clipboard",
1604         "tinymce/pasteplugin/WordFilter",
1605         "tinymce/pasteplugin/Quirks"
1606 ], function(PluginManager, Clipboard, WordFilter, Quirks) {
1607         var userIsInformed;
1608
1609         PluginManager.add('paste', function(editor) {
1610                 var self = this, clipboard, settings = editor.settings;
1611
1612                 function isUserInformedAboutPlainText() {
1613                         return userIsInformed || editor.settings.paste_plaintext_inform === false;
1614                 }
1615
1616                 function togglePlainTextPaste() {
1617                         if (clipboard.pasteFormat == "text") {
1618                                 this.active(false);
1619                                 clipboard.pasteFormat = "html";
1620                                 editor.fire('PastePlainTextToggle', {state: false});
1621                         } else {
1622                                 clipboard.pasteFormat = "text";
1623                                 this.active(true);
1624
1625                                 if (!isUserInformedAboutPlainText()) {
1626                                         var message = editor.translate('Paste is now in plain text mode. Contents will now ' +
1627                                                 'be pasted as plain text until you toggle this option off.');
1628
1629                                         editor.notificationManager.open({
1630                                                 text: message,
1631                                                 type: 'info'
1632                                         });
1633
1634                                         userIsInformed = true;
1635                                         editor.fire('PastePlainTextToggle', {state: true});
1636                                 }
1637                         }
1638
1639                         editor.focus();
1640                 }
1641
1642                 self.clipboard = clipboard = new Clipboard(editor);
1643                 self.quirks = new Quirks(editor);
1644                 self.wordFilter = new WordFilter(editor);
1645
1646                 if (editor.settings.paste_as_text) {
1647                         self.clipboard.pasteFormat = "text";
1648                 }
1649
1650                 if (settings.paste_preprocess) {
1651                         editor.on('PastePreProcess', function(e) {
1652                                 settings.paste_preprocess.call(self, self, e);
1653                         });
1654                 }
1655
1656                 if (settings.paste_postprocess) {
1657                         editor.on('PastePostProcess', function(e) {
1658                                 settings.paste_postprocess.call(self, self, e);
1659                         });
1660                 }
1661
1662                 editor.addCommand('mceInsertClipboardContent', function(ui, value) {
1663                         if (value.content) {
1664                                 self.clipboard.pasteHtml(value.content);
1665                         }
1666
1667                         if (value.text) {
1668                                 self.clipboard.pasteText(value.text);
1669                         }
1670                 });
1671
1672                 // Block all drag/drop events
1673                 if (editor.paste_block_drop) {
1674                         editor.on('dragend dragover draggesture dragdrop drop drag', function(e) {
1675                                 e.preventDefault();
1676                                 e.stopPropagation();
1677                         });
1678                 }
1679
1680                 // Prevent users from dropping data images on Gecko
1681                 if (!editor.settings.paste_data_images) {
1682                         editor.on('drop', function(e) {
1683                                 var dataTransfer = e.dataTransfer;
1684
1685                                 if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
1686                                         e.preventDefault();
1687                                 }
1688                         });
1689                 }
1690
1691                 editor.addButton('pastetext', {
1692                         icon: 'pastetext',
1693                         tooltip: 'Paste as text',
1694                         onclick: togglePlainTextPaste,
1695                         active: self.clipboard.pasteFormat == "text"
1696                 });
1697
1698                 editor.addMenuItem('pastetext', {
1699                         text: 'Paste as text',
1700                         selectable: true,
1701                         active: clipboard.pasteFormat,
1702                         onclick: togglePlainTextPaste
1703                 });
1704         });
1705 });
1706
1707 expose(["tinymce/pasteplugin/Utils"]);
1708 })(this);