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                         function isPlainTextFileUrl(content) {
 822                                 return content['text/plain'].indexOf('file://') === 0;
 823                         }
 824
 825                         editor.on('drop', function(e) {
 826                                 var dropContent, rng;
 827
 828                                 rng = getCaretRangeFromEvent(e);
 829
 830                                 if (e.isDefaultPrevented() || draggingInternally) {
 831                                         return;
 832                                 }
 833
 834                                 dropContent = getDataTransferItems(e.dataTransfer);
 835
 836                                 if ((!hasHtmlOrText(dropContent) || isPlainTextFileUrl(dropContent)) && pasteImageData(e, rng)) {
 837                                         return;
 838                                 }
 839
 840                                 if (rng && editor.settings.paste_filter_drop !== false) {
 841                                         var content = dropContent['mce-internal'] || dropContent['text/html'] || dropContent['text/plain'];
 842
 843                                         if (content) {
 844                                                 e.preventDefault();
 845
 846                                                 // FF 45 doesn't paint a caret when dragging in text in due to focus call by execCommand
 847                                                 Delay.setEditorTimeout(editor, function() {
 848                                                         editor.undoManager.transact(function() {
 849                                                                 if (dropContent['mce-internal']) {
 850                                                                         editor.execCommand('Delete');
 851                                                                 }
 852
 853                                                                 editor.selection.setRng(rng);
 854
 855                                                                 content = Utils.trimHtml(content);
 856
 857                                                                 if (!dropContent['text/html']) {
 858                                                                         pasteText(content);
 859                                                                 } else {
 860                                                                         pasteHtml(content);
 861                                                                 }
 862                                                         });
 863                                                 });
 864                                         }
 865                                 }
 866                         });
 867
 868                         editor.on('dragover dragend', function(e) {
 869                                 if (editor.settings.paste_data_images) {
 870                                         e.preventDefault();
 871                                 }
 872                         });
 873                 }
 874
 875                 self.pasteHtml = pasteHtml;
 876                 self.pasteText = pasteText;
 877
 878                 editor.on('preInit', function() {
 879                         registerEventHandlers();
 880
 881                         // Remove all data images from paste for example from Gecko
 882                         // except internal images like video elements
 883                         editor.parser.addNodeFilter('img', function(nodes, name, args) {
 884                                 function isPasteInsert(args) {
 885                                         return args.data && args.data.paste === true;
 886                                 }
 887
 888                                 function remove(node) {
 889                                         if (!node.attr('data-mce-object') && src !== Env.transparentSrc) {
 890                                                 node.remove();
 891                                         }
 892                                 }
 893
 894                                 function isWebKitFakeUrl(src) {
 895                                         return src.indexOf("webkit-fake-url") === 0;
 896                                 }
 897
 898                                 function isDataUri(src) {
 899                                         return src.indexOf("data:") === 0;
 900                                 }
 901
 902                                 if (!editor.settings.paste_data_images && isPasteInsert(args)) {
 903                                         var i = nodes.length;
 904
 905                                         while (i--) {
 906                                                 var src = nodes[i].attributes.map.src;
 907
 908                                                 if (!src) {
 909                                                         continue;
 910                                                 }
 911
 912                                                 // Safari on Mac produces webkit-fake-url see: https://bugs.webkit.org/show_bug.cgi?id=49141
 913                                                 if (isWebKitFakeUrl(src)) {
 914                                                         remove(nodes[i]);
 915                                                 } else if (!editor.settings.allow_html_data_urls && isDataUri(src)) {
 916                                                         remove(nodes[i]);
 917                                                 }
 918                                         }
 919                                 }
 920                         });
 921                 });
 922         };
 923 });
 924
 925 // Included from: js/tinymce/plugins/paste/classes/WordFilter.js
 926
 927 /**
 928  * WordFilter.js
 929  *
 930  * Released under LGPL License.
 931  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 932  *
 933  * License: http://www.tinymce.com/license
 934  * Contributing: http://www.tinymce.com/contributing
 935  */
 936
 937 /**
 938  * This class parses word HTML into proper TinyMCE markup.
 939  *
 940  * @class tinymce.pasteplugin.WordFilter
 941  * @private
 942  */
 943 define("tinymce/pasteplugin/WordFilter", [
 944         "tinymce/util/Tools",
 945         "tinymce/html/DomParser",
 946         "tinymce/html/Schema",
 947         "tinymce/html/Serializer",
 948         "tinymce/html/Node",
 949         "tinymce/pasteplugin/Utils"
 950 ], function(Tools, DomParser, Schema, Serializer, Node, Utils) {
 951         /**
 952          * Checks if the specified content is from any of the following sources: MS Word/Office 365/Google docs.
 953          */
 954         function isWordContent(content) {
 955                 return (
 956                         (/<font face="Times New Roman"|class="?Mso|style="[^"]*\bmso-|style='[^'']*\bmso-|w:WordDocument/i).test(content) ||
 957                         (/class="OutlineElement/).test(content) ||
 958                         (/id="?docs\-internal\-guid\-/.test(content))
 959                 );
 960         }
 961
 962         /**
 963          * Checks if the specified text starts with "1. " or "a. " etc.
 964          */
 965         function isNumericList(text) {
 966                 var found, patterns;
 967
 968                 patterns = [
 969                         /^[IVXLMCD]{1,2}\.[ \u00a0]/,  // Roman upper case
 970                         /^[ivxlmcd]{1,2}\.[ \u00a0]/,  // Roman lower case
 971                         /^[a-z]{1,2}[\.\)][ \u00a0]/,  // Alphabetical a-z
 972                         /^[A-Z]{1,2}[\.\)][ \u00a0]/,  // Alphabetical A-Z
 973                         /^[0-9]+\.[ \u00a0]/,          // Numeric lists
 974                         /^[\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d]+\.[ \u00a0]/, // Japanese
 975                         /^[\u58f1\u5f10\u53c2\u56db\u4f0d\u516d\u4e03\u516b\u4e5d\u62fe]+\.[ \u00a0]/  // Chinese
 976                 ];
 977
 978                 text = text.replace(/^[\u00a0 ]+/, '');
 979
 980                 Tools.each(patterns, function(pattern) {
 981                         if (pattern.test(text)) {
 982                                 found = true;
 983                                 return false;
 984                         }
 985                 });
 986
 987                 return found;
 988         }
 989
 990         function isBulletList(text) {
 991                 return /^[\s\u00a0]*[\u2022\u00b7\u00a7\u25CF]\s*/.test(text);
 992         }
 993
 994         function WordFilter(editor) {
 995                 var settings = editor.settings;
 996
 997                 editor.on('BeforePastePreProcess', function(e) {
 998                         var content = e.content, retainStyleProperties, validStyles;
 999
1000                         // Remove google docs internal guid markers
1001                         content = content.replace(/<b[^>]+id="?docs-internal-[^>]*>/gi, '');
1002                         content = content.replace(/<br class="?Apple-interchange-newline"?>/gi, '');
1003
1004                         retainStyleProperties = settings.paste_retain_style_properties;
1005                         if (retainStyleProperties) {
1006                                 validStyles = Tools.makeMap(retainStyleProperties.split(/[, ]/));
1007                         }
1008
1009                         /**
1010                          * Converts fake bullet and numbered lists to real semantic OL/UL.
1011                          *
1012                          * @param {tinymce.html.Node} node Root node to convert children of.
1013                          */
1014                         function convertFakeListsToProperLists(node) {
1015                                 var currentListNode, prevListNode, lastLevel = 1;
1016
1017                                 function getText(node) {
1018                                         var txt = '';
1019
1020                                         if (node.type === 3) {
1021                                                 return node.value;
1022                                         }
1023
1024                                         if ((node = node.firstChild)) {
1025                                                 do {
1026                                                         txt += getText(node);
1027                                                 } while ((node = node.next));
1028                                         }
1029
1030                                         return txt;
1031                                 }
1032
1033                                 function trimListStart(node, regExp) {
1034                                         if (node.type === 3) {
1035                                                 if (regExp.test(node.value)) {
1036                                                         node.value = node.value.replace(regExp, '');
1037                                                         return false;
1038                                                 }
1039                                         }
1040
1041                                         if ((node = node.firstChild)) {
1042                                                 do {
1043                                                         if (!trimListStart(node, regExp)) {
1044                                                                 return false;
1045                                                         }
1046                                                 } while ((node = node.next));
1047                                         }
1048
1049                                         return true;
1050                                 }
1051
1052                                 function removeIgnoredNodes(node) {
1053                                         if (node._listIgnore) {
1054                                                 node.remove();
1055                                                 return;
1056                                         }
1057
1058                                         if ((node = node.firstChild)) {
1059                                                 do {
1060                                                         removeIgnoredNodes(node);
1061                                                 } while ((node = node.next));
1062                                         }
1063                                 }
1064
1065                                 function convertParagraphToLi(paragraphNode, listName, start) {
1066                                         var level = paragraphNode._listLevel || lastLevel;
1067
1068                                         // Handle list nesting
1069                                         if (level != lastLevel) {
1070                                                 if (level < lastLevel) {
1071                                                         // Move to parent list
1072                                                         if (currentListNode) {
1073                                                                 currentListNode = currentListNode.parent.parent;
1074                                                         }
1075                                                 } else {
1076                                                         // Create new list
1077                                                         prevListNode = currentListNode;
1078                                                         currentListNode = null;
1079                                                 }
1080                                         }
1081
1082                                         if (!currentListNode || currentListNode.name != listName) {
1083                                                 prevListNode = prevListNode || currentListNode;
1084                                                 currentListNode = new Node(listName, 1);
1085
1086                                                 if (start > 1) {
1087                                                         currentListNode.attr('start', '' + start);
1088                                                 }
1089
1090                                                 paragraphNode.wrap(currentListNode);
1091                                         } else {
1092                                                 currentListNode.append(paragraphNode);
1093                                         }
1094
1095                                         paragraphNode.name = 'li';
1096
1097                                         // Append list to previous list if it exists
1098                                         if (level > lastLevel && prevListNode) {
1099                                                 prevListNode.lastChild.append(currentListNode);
1100                                         }
1101
1102                                         lastLevel = level;
1103
1104                                         // Remove start of list item "1. " or "&middot; " etc
1105                                         removeIgnoredNodes(paragraphNode);
1106                                         trimListStart(paragraphNode, /^\u00a0+/);
1107                                         trimListStart(paragraphNode, /^\s*([\u2022\u00b7\u00a7\u25CF]|\w+\.)/);
1108                                         trimListStart(paragraphNode, /^\u00a0+/);
1109                                 }
1110
1111                                 // Build a list of all root level elements before we start
1112                                 // altering them in the loop below.
1113                                 var elements = [], child = node.firstChild;
1114                                 while (typeof child !== 'undefined' && child !== null) {
1115                                         elements.push(child);
1116
1117                                         child = child.walk();
1118                                         if (child !== null) {
1119                                                 while (typeof child !== 'undefined' && child.parent !== node) {
1120                                                         child = child.walk();
1121                                                 }
1122                                         }
1123                                 }
1124
1125                                 for (var i = 0; i < elements.length; i++) {
1126                                         node = elements[i];
1127
1128                                         if (node.name == 'p' && node.firstChild) {
1129                                                 // Find first text node in paragraph
1130                                                 var nodeText = getText(node);
1131
1132                                                 // Detect unordered lists look for bullets
1133                                                 if (isBulletList(nodeText)) {
1134                                                         convertParagraphToLi(node, 'ul');
1135                                                         continue;
1136                                                 }
1137
1138                                                 // Detect ordered lists 1., a. or ixv.
1139                                                 if (isNumericList(nodeText)) {
1140                                                         // Parse OL start number
1141                                                         var matches = /([0-9]+)\./.exec(nodeText);
1142                                                         var start = 1;
1143                                                         if (matches) {
1144                                                                 start = parseInt(matches[1], 10);
1145                                                         }
1146
1147                                                         convertParagraphToLi(node, 'ol', start);
1148                                                         continue;
1149                                                 }
1150
1151                                                 // Convert paragraphs marked as lists but doesn't look like anything
1152                                                 if (node._listLevel) {
1153                                                         convertParagraphToLi(node, 'ul', 1);
1154                                                         continue;
1155                                                 }
1156
1157                                                 currentListNode = null;
1158                                         } else {
1159                                                 // If the root level element isn't a p tag which can be
1160                                                 // processed by convertParagraphToLi, it interrupts the
1161                                                 // lists, causing a new list to start instead of having
1162                                                 // elements from the next list inserted above this tag.
1163                                                 prevListNode = currentListNode;
1164                                                 currentListNode = null;
1165                                         }
1166                                 }
1167                         }
1168
1169                         function filterStyles(node, styleValue) {
1170                                 var outputStyles = {}, matches, styles = editor.dom.parseStyle(styleValue);
1171
1172                                 Tools.each(styles, function(value, name) {
1173                                         // Convert various MS styles to W3C styles
1174                                         switch (name) {
1175                                                 case 'mso-list':
1176                                                         // Parse out list indent level for lists
1177                                                         matches = /\w+ \w+([0-9]+)/i.exec(styleValue);
1178                                                         if (matches) {
1179                                                                 node._listLevel = parseInt(matches[1], 10);
1180                                                         }
1181
1182                                                         // Remove these nodes <span style="mso-list:Ignore">o</span>
1183                                                         // Since the span gets removed we mark the text node and the span
1184                                                         if (/Ignore/i.test(value) && node.firstChild) {
1185                                                                 node._listIgnore = true;
1186                                                                 node.firstChild._listIgnore = true;
1187                                                         }
1188
1189                                                         break;
1190
1191                                                 case "horiz-align":
1192                                                         name = "text-align";
1193                                                         break;
1194
1195                                                 case "vert-align":
1196                                                         name = "vertical-align";
1197                                                         break;
1198
1199                                                 case "font-color":
1200                                                 case "mso-foreground":
1201                                                         name = "color";
1202                                                         break;
1203
1204                                                 case "mso-background":
1205                                                 case "mso-highlight":
1206                                                         name = "background";
1207                                                         break;
1208
1209                                                 case "font-weight":
1210                                                 case "font-style":
1211                                                         if (value != "normal") {
1212                                                                 outputStyles[name] = value;
1213                                                         }
1214                                                         return;
1215
1216                                                 case "mso-element":
1217                                                         // Remove track changes code
1218                                                         if (/^(comment|comment-list)$/i.test(value)) {
1219                                                                 node.remove();
1220                                                                 return;
1221                                                         }
1222
1223                                                         break;
1224                                         }
1225
1226                                         if (name.indexOf('mso-comment') === 0) {
1227                                                 node.remove();
1228                                                 return;
1229                                         }
1230
1231                                         // Never allow mso- prefixed names
1232                                         if (name.indexOf('mso-') === 0) {
1233                                                 return;
1234                                         }
1235
1236                                         // Output only valid styles
1237                                         if (retainStyleProperties == "all" || (validStyles && validStyles[name])) {
1238                                                 outputStyles[name] = value;
1239                                         }
1240                                 });
1241
1242                                 // Convert bold style to "b" element
1243                                 if (/(bold)/i.test(outputStyles["font-weight"])) {
1244                                         delete outputStyles["font-weight"];
1245                                         node.wrap(new Node("b", 1));
1246                                 }
1247
1248                                 // Convert italic style to "i" element
1249                                 if (/(italic)/i.test(outputStyles["font-style"])) {
1250                                         delete outputStyles["font-style"];
1251                                         node.wrap(new Node("i", 1));
1252                                 }
1253
1254                                 // Serialize the styles and see if there is something left to keep
1255                                 outputStyles = editor.dom.serializeStyle(outputStyles, node.name);
1256                                 if (outputStyles) {
1257                                         return outputStyles;
1258                                 }
1259
1260                                 return null;
1261                         }
1262
1263                         if (settings.paste_enable_default_filters === false) {
1264                                 return;
1265                         }
1266
1267                         // Detect is the contents is Word junk HTML
1268                         if (isWordContent(e.content)) {
1269                                 e.wordContent = true; // Mark it for other processors
1270
1271                                 // Remove basic Word junk
1272                                 content = Utils.filter(content, [
1273                                         // Word comments like conditional comments etc
1274                                         /<!--[\s\S]+?-->/gi,
1275
1276                                         // Remove comments, scripts (e.g., msoShowComment), XML tag, VML content,
1277                                         // MS Office namespaced tags, and a few other tags
1278                                         /<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
1279
1280                                         // Convert <s> into <strike> for line-though
1281                                         [/<(\/?)s>/gi, "<$1strike>"],
1282
1283                                         // Replace nsbp entites to char since it's easier to handle
1284                                         [/&nbsp;/gi, "\u00a0"],
1285
1286                                         // Convert <span style="mso-spacerun:yes">___</span> to string of alternating
1287                                         // breaking/non-breaking spaces of same length
1288                                         [/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
1289                                                 function(str, spaces) {
1290                                                         return (spaces.length > 0) ?
1291                                                                 spaces.replace(/./, " ").slice(Math.floor(spaces.length / 2)).split("").join("\u00a0") : "";
1292                                                 }
1293                                         ]
1294                                 ]);
1295
1296                                 var validElements = settings.paste_word_valid_elements;
1297                                 if (!validElements) {
1298                                         validElements = (
1299                                                 '-strong/b,-em/i,-u,-span,-p,-ol,-ul,-li,-h1,-h2,-h3,-h4,-h5,-h6,' +
1300                                                 '-p/div,-a[href|name],sub,sup,strike,br,del,table[width],tr,' +
1301                                                 'td[colspan|rowspan|width],th[colspan|rowspan|width],thead,tfoot,tbody'
1302                                         );
1303                                 }
1304
1305                                 // Setup strict schema
1306                                 var schema = new Schema({
1307                                         valid_elements: validElements,
1308                                         valid_children: '-li[p]'
1309                                 });
1310
1311                                 // Add style/class attribute to all element rules since the user might have removed them from
1312                                 // paste_word_valid_elements config option and we need to check them for properties
1313                                 Tools.each(schema.elements, function(rule) {
1314                                         /*eslint dot-notation:0*/
1315                                         if (!rule.attributes["class"]) {
1316                                                 rule.attributes["class"] = {};
1317                                                 rule.attributesOrder.push("class");
1318                                         }
1319
1320                                         if (!rule.attributes.style) {
1321                                                 rule.attributes.style = {};
1322                                                 rule.attributesOrder.push("style");
1323                                         }
1324                                 });
1325
1326                                 // Parse HTML into DOM structure
1327                                 var domParser = new DomParser({}, schema);
1328
1329                                 // Filter styles to remove "mso" specific styles and convert some of them
1330                                 domParser.addAttributeFilter('style', function(nodes) {
1331                                         var i = nodes.length, node;
1332
1333                                         while (i--) {
1334                                                 node = nodes[i];
1335                                                 node.attr('style', filterStyles(node, node.attr('style')));
1336
1337                                                 // Remove pointess spans
1338                                                 if (node.name == 'span' && node.parent && !node.attributes.length) {
1339                                                         node.unwrap();
1340                                                 }
1341                                         }
1342                                 });
1343
1344                                 // Check the class attribute for comments or del items and remove those
1345                                 domParser.addAttributeFilter('class', function(nodes) {
1346                                         var i = nodes.length, node, className;
1347
1348                                         while (i--) {
1349                                                 node = nodes[i];
1350
1351                                                 className = node.attr('class');
1352                                                 if (/^(MsoCommentReference|MsoCommentText|msoDel)$/i.test(className)) {
1353                                                         node.remove();
1354                                                 }
1355
1356                                                 node.attr('class', null);
1357                                         }
1358                                 });
1359
1360                                 // Remove all del elements since we don't want the track changes code in the editor
1361                                 domParser.addNodeFilter('del', function(nodes) {
1362                                         var i = nodes.length;
1363
1364                                         while (i--) {
1365                                                 nodes[i].remove();
1366                                         }
1367                                 });
1368
1369                                 // Keep some of the links and anchors
1370                                 domParser.addNodeFilter('a', function(nodes) {
1371                                         var i = nodes.length, node, href, name;
1372
1373                                         while (i--) {
1374                                                 node = nodes[i];
1375                                                 href = node.attr('href');
1376                                                 name = node.attr('name');
1377
1378                                                 if (href && href.indexOf('#_msocom_') != -1) {
1379                                                         node.remove();
1380                                                         continue;
1381                                                 }
1382
1383                                                 if (href && href.indexOf('file://') === 0) {
1384                                                         href = href.split('#')[1];
1385                                                         if (href) {
1386                                                                 href = '#' + href;
1387                                                         }
1388                                                 }
1389
1390                                                 if (!href && !name) {
1391                                                         node.unwrap();
1392                                                 } else {
1393                                                         // Remove all named anchors that aren't specific to TOC, Footnotes or Endnotes
1394                                                         if (name && !/^_?(?:toc|edn|ftn)/i.test(name)) {
1395                                                                 node.unwrap();
1396                                                                 continue;
1397                                                         }
1398
1399                                                         node.attr({
1400                                                                 href: href,
1401                                                                 name: name
1402                                                         });
1403                                                 }
1404                                         }
1405                                 });
1406
1407                                 // Parse into DOM structure
1408                                 var rootNode = domParser.parse(content);
1409
1410                                 // Process DOM
1411                                 if (settings.paste_convert_word_fake_lists !== false) {
1412                                         convertFakeListsToProperLists(rootNode);
1413                                 }
1414
1415                                 // Serialize DOM back to HTML
1416                                 e.content = new Serializer({
1417                                         validate: settings.validate
1418                                 }, schema).serialize(rootNode);
1419                         }
1420                 });
1421         }
1422
1423         WordFilter.isWordContent = isWordContent;
1424
1425         return WordFilter;
1426 });
1427
1428 // Included from: js/tinymce/plugins/paste/classes/Quirks.js
1429
1430 /**
1431  * Quirks.js
1432  *
1433  * Released under LGPL License.
1434  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
1435  *
1436  * License: http://www.tinymce.com/license
1437  * Contributing: http://www.tinymce.com/contributing
1438  */
1439
1440 /**
1441  * This class contains various fixes for browsers. These issues can not be feature
1442  * detected since we have no direct control over the clipboard. However we might be able
1443  * to remove some of these fixes once the browsers gets updated/fixed.
1444  *
1445  * @class tinymce.pasteplugin.Quirks
1446  * @private
1447  */
1448 define("tinymce/pasteplugin/Quirks", [
1449         "tinymce/Env",
1450         "tinymce/util/Tools",
1451         "tinymce/pasteplugin/WordFilter",
1452         "tinymce/pasteplugin/Utils"
1453 ], function(Env, Tools, WordFilter, Utils) {
1454         "use strict";
1455
1456         return function(editor) {
1457                 function addPreProcessFilter(filterFunc) {
1458                         editor.on('BeforePastePreProcess', function(e) {
1459                                 e.content = filterFunc(e.content);
1460                         });
1461                 }
1462
1463                 /**
1464                  * Removes BR elements after block elements. IE9 has a nasty bug where it puts a BR element after each
1465                  * block element when pasting from word. This removes those elements.
1466                  *
1467                  * This:
1468                  *  <p>a</p><br><p>b</p>
1469                  *
1470                  * Becomes:
1471                  *  <p>a</p><p>b</p>
1472                  */
1473                 function removeExplorerBrElementsAfterBlocks(html) {
1474                         // Only filter word specific content
1475                         if (!WordFilter.isWordContent(html)) {
1476                                 return html;
1477                         }
1478
1479                         // Produce block regexp based on the block elements in schema
1480                         var blockElements = [];
1481
1482                         Tools.each(editor.schema.getBlockElements(), function(block, blockName) {
1483                                 blockElements.push(blockName);
1484                         });
1485
1486                         var explorerBlocksRegExp = new RegExp(
1487                                 '(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*(<\\/?(' + blockElements.join('|') + ')[^>]*>)(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*',
1488                                 'g'
1489                         );
1490
1491                         // Remove BR:s from: <BLOCK>X</BLOCK><BR>
1492                         html = Utils.filter(html, [
1493                                 [explorerBlocksRegExp, '$1']
1494                         ]);
1495
1496                         // IE9 also adds an extra BR element for each soft-linefeed and it also adds a BR for each word wrap break
1497                         html = Utils.filter(html, [
1498                                 [/<br><br>/g, '<BR><BR>'], // Replace multiple BR elements with uppercase BR to keep them intact
1499                                 [/<br>/g, ' '],            // Replace single br elements with space since they are word wrap BR:s
1500                                 [/<BR><BR>/g, '<br>']      // Replace back the double brs but into a single BR
1501                         ]);
1502
1503                         return html;
1504                 }
1505
1506                 /**
1507                  * WebKit has a nasty bug where the all computed styles gets added to style attributes when copy/pasting contents.
1508                  * This fix solves that by simply removing the whole style attribute.
1509                  *
1510                  * The paste_webkit_styles option can be set to specify what to keep:
1511                  *  paste_webkit_styles: "none" // Keep no styles
1512                  *  paste_webkit_styles: "all", // Keep all of them
1513                  *  paste_webkit_styles: "font-weight color" // Keep specific ones
1514                  *
1515                  * @param {String} content Content that needs to be processed.
1516                  * @return {String} Processed contents.
1517                  */
1518                 function removeWebKitStyles(content) {
1519                         // Passthrough all styles from Word and let the WordFilter handle that junk
1520                         if (WordFilter.isWordContent(content)) {
1521                                 return content;
1522                         }
1523
1524                         // Filter away styles that isn't matching the target node
1525                         var webKitStyles = editor.settings.paste_webkit_styles;
1526
1527                         if (editor.settings.paste_remove_styles_if_webkit === false || webKitStyles == "all") {
1528                                 return content;
1529                         }
1530
1531                         if (webKitStyles) {
1532                                 webKitStyles = webKitStyles.split(/[, ]/);
1533                         }
1534
1535                         // Keep specific styles that doesn't match the current node computed style
1536                         if (webKitStyles) {
1537                                 var dom = editor.dom, node = editor.selection.getNode();
1538
1539                                 content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, function(all, before, value, after) {
1540                                         var inputStyles = dom.parseStyle(value, 'span'), outputStyles = {};
1541
1542                                         if (webKitStyles === "none") {
1543                                                 return before + after;
1544                                         }
1545
1546                                         for (var i = 0; i < webKitStyles.length; i++) {
1547                                                 var inputValue = inputStyles[webKitStyles[i]], currentValue = dom.getStyle(node, webKitStyles[i], true);
1548
1549                                                 if (/color/.test(webKitStyles[i])) {
1550                                                         inputValue = dom.toHex(inputValue);
1551                                                         currentValue = dom.toHex(currentValue);
1552                                                 }
1553
1554                                                 if (currentValue != inputValue) {
1555                                                         outputStyles[webKitStyles[i]] = inputValue;
1556                                                 }
1557                                         }
1558
1559                                         outputStyles = dom.serializeStyle(outputStyles, 'span');
1560                                         if (outputStyles) {
1561                                                 return before + ' style="' + outputStyles + '"' + after;
1562                                         }
1563
1564                                         return before + after;
1565                                 });
1566                         } else {
1567                                 // Remove all external styles
1568                                 content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, '$1$3');
1569                         }
1570
1571                         // Keep internal styles
1572                         content = content.replace(/(<[^>]+) data-mce-style="([^"]+)"([^>]*>)/gi, function(all, before, value, after) {
1573                                 return before + ' style="' + value + '"' + after;
1574                         });
1575
1576                         return content;
1577                 }
1578
1579                 // Sniff browsers and apply fixes since we can't feature detect
1580                 if (Env.webkit) {
1581                         addPreProcessFilter(removeWebKitStyles);
1582                 }
1583
1584                 if (Env.ie) {
1585                         addPreProcessFilter(removeExplorerBrElementsAfterBlocks);
1586                 }
1587         };
1588 });
1589
1590 // Included from: js/tinymce/plugins/paste/classes/Plugin.js
1591
1592 /**
1593  * Plugin.js
1594  *
1595  * Released under LGPL License.
1596  * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
1597  *
1598  * License: http://www.tinymce.com/license
1599  * Contributing: http://www.tinymce.com/contributing
1600  */
1601
1602 /**
1603  * This class contains the tinymce plugin logic for the paste plugin.
1604  *
1605  * @class tinymce.pasteplugin.Plugin
1606  * @private
1607  */
1608 define("tinymce/pasteplugin/Plugin", [
1609         "tinymce/PluginManager",
1610         "tinymce/pasteplugin/Clipboard",
1611         "tinymce/pasteplugin/WordFilter",
1612         "tinymce/pasteplugin/Quirks"
1613 ], function(PluginManager, Clipboard, WordFilter, Quirks) {
1614         var userIsInformed;
1615
1616         PluginManager.add('paste', function(editor) {
1617                 var self = this, clipboard, settings = editor.settings;
1618
1619                 function isUserInformedAboutPlainText() {
1620                         return userIsInformed || editor.settings.paste_plaintext_inform === false;
1621                 }
1622
1623                 function togglePlainTextPaste() {
1624                         if (clipboard.pasteFormat == "text") {
1625                                 this.active(false);
1626                                 clipboard.pasteFormat = "html";
1627                                 editor.fire('PastePlainTextToggle', {state: false});
1628                         } else {
1629                                 clipboard.pasteFormat = "text";
1630                                 this.active(true);
1631
1632                                 if (!isUserInformedAboutPlainText()) {
1633                                         var message = editor.translate('Paste is now in plain text mode. Contents will now ' +
1634                                                 'be pasted as plain text until you toggle this option off.');
1635
1636                                         editor.notificationManager.open({
1637                                                 text: message,
1638                                                 type: 'info'
1639                                         });
1640
1641                                         userIsInformed = true;
1642                                         editor.fire('PastePlainTextToggle', {state: true});
1643                                 }
1644                         }
1645
1646                         editor.focus();
1647                 }
1648
1649                 self.clipboard = clipboard = new Clipboard(editor);
1650                 self.quirks = new Quirks(editor);
1651                 self.wordFilter = new WordFilter(editor);
1652
1653                 if (editor.settings.paste_as_text) {
1654                         self.clipboard.pasteFormat = "text";
1655                 }
1656
1657                 if (settings.paste_preprocess) {
1658                         editor.on('PastePreProcess', function(e) {
1659                                 settings.paste_preprocess.call(self, self, e);
1660                         });
1661                 }
1662
1663                 if (settings.paste_postprocess) {
1664                         editor.on('PastePostProcess', function(e) {
1665                                 settings.paste_postprocess.call(self, self, e);
1666                         });
1667                 }
1668
1669                 editor.addCommand('mceInsertClipboardContent', function(ui, value) {
1670                         if (value.content) {
1671                                 self.clipboard.pasteHtml(value.content);
1672                         }
1673
1674                         if (value.text) {
1675                                 self.clipboard.pasteText(value.text);
1676                         }
1677                 });
1678
1679                 // Block all drag/drop events
1680                 if (editor.settings.paste_block_drop) {
1681                         editor.on('dragend dragover draggesture dragdrop drop drag', function(e) {
1682                                 e.preventDefault();
1683                                 e.stopPropagation();
1684                         });
1685                 }
1686
1687                 // Prevent users from dropping data images on Gecko
1688                 if (!editor.settings.paste_data_images) {
1689                         editor.on('drop', function(e) {
1690                                 var dataTransfer = e.dataTransfer;
1691
1692                                 if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
1693                                         e.preventDefault();
1694                                 }
1695                         });
1696                 }
1697
1698                 editor.addButton('pastetext', {
1699                         icon: 'pastetext',
1700                         tooltip: 'Paste as text',
1701                         onclick: togglePlainTextPaste,
1702                         active: self.clipboard.pasteFormat == "text"
1703                 });
1704
1705                 editor.addMenuItem('pastetext', {
1706                         text: 'Paste as text',
1707                         selectable: true,
1708                         active: clipboard.pasteFormat,
1709                         onclick: togglePlainTextPaste
1710                 });
1711         });
1712 });
1713
1714 expose(["tinymce/pasteplugin/Utils"]);
1715 })(this);