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

   1 /**
   2  * editor_plugin_src.js
   3  *
   4  * Copyright 2009, Moxiecode Systems AB
   5  * Released under LGPL License.
   6  *
   7  * License: http://tinymce.moxiecode.com/license
   8  * Contributing: http://tinymce.moxiecode.com/contributing
   9  */
  10
  11 (function() {
  12         var each = tinymce.each,
  13                 defs = {
  14                         paste_auto_cleanup_on_paste : true,
  15                         paste_enable_default_filters : true,
  16                         paste_block_drop : false,
  17                         paste_retain_style_properties : "none",
  18                         paste_strip_class_attributes : "mso",
  19                         paste_remove_spans : false,
  20                         paste_remove_styles : false,
  21                         paste_remove_styles_if_webkit : true,
  22                         paste_convert_middot_lists : true,
  23                         paste_convert_headers_to_strong : false,
  24                         paste_dialog_width : "450",
  25                         paste_dialog_height : "400",
  26                         paste_text_use_dialog : false,
  27                         paste_text_sticky : false,
  28                         paste_text_sticky_default : false,
  29                         paste_text_notifyalways : false,
  30                         paste_text_linebreaktype : "combined",
  31                         paste_text_replacements : [
  32                                 [/\u2026/g, "..."],
  33                                 [/[\x93\x94\u201c\u201d]/g, '"'],
  34                                 [/[\x60\x91\x92\u2018\u2019]/g, "'"]
  35                         ]
  36                 };
  37
  38         function getParam(ed, name) {
  39                 return ed.getParam(name, defs[name]);
  40         }
  41
  42         tinymce.create('tinymce.plugins.PastePlugin', {
  43                 init : function(ed, url) {
  44                         var t = this;
  45
  46                         t.editor = ed;
  47                         t.url = url;
  48
  49                         // Setup plugin events
  50                         t.onPreProcess = new tinymce.util.Dispatcher(t);
  51                         t.onPostProcess = new tinymce.util.Dispatcher(t);
  52
  53                         // Register default handlers
  54                         t.onPreProcess.add(t._preProcess);
  55                         t.onPostProcess.add(t._postProcess);
  56
  57                         // Register optional preprocess handler
  58                         t.onPreProcess.add(function(pl, o) {
  59                                 ed.execCallback('paste_preprocess', pl, o);
  60                         });
  61
  62                         // Register optional postprocess
  63                         t.onPostProcess.add(function(pl, o) {
  64                                 ed.execCallback('paste_postprocess', pl, o);
  65                         });
  66
  67                         ed.onKeyDown.addToTop(function(ed, e) {
  68                                 // Block ctrl+v from adding an undo level since the default logic in tinymce.Editor will add that
  69                                 if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
  70                                         return false; // Stop other listeners
  71                         });
  72
  73                         // Initialize plain text flag
  74                         ed.pasteAsPlainText = getParam(ed, 'paste_text_sticky_default');
  75
  76                         // This function executes the process handlers and inserts the contents
  77                         // force_rich overrides plain text mode set by user, important for pasting with execCommand
  78                         function process(o, force_rich) {
  79                                 var dom = ed.dom, rng;
  80
  81                                 // Execute pre process handlers
  82                                 t.onPreProcess.dispatch(t, o);
  83
  84                                 // Create DOM structure
  85                                 o.node = dom.create('div', 0, o.content);
  86
  87                                 // If pasting inside the same element and the contents is only one block
  88                                 // remove the block and keep the text since Firefox will copy parts of pre and h1-h6 as a pre element
  89                                 if (tinymce.isGecko) {
  90                                         rng = ed.selection.getRng(true);
  91                                         if (rng.startContainer == rng.endContainer && rng.startContainer.nodeType == 3) {
  92                                                 // Is only one block node and it doesn't contain word stuff
  93                                                 if (o.node.childNodes.length === 1 && /^(p|h[1-6]|pre)$/i.test(o.node.firstChild.nodeName) && o.content.indexOf('__MCE_ITEM__') === -1)
  94                                                         dom.remove(o.node.firstChild, true);
  95                                         }
  96                                 }
  97
  98                                 // Execute post process handlers
  99                                 t.onPostProcess.dispatch(t, o);
 100
 101                                 // Serialize content
 102                                 o.content = ed.serializer.serialize(o.node, {getInner : 1, forced_root_block : ''});
 103
 104                                 // Plain text option active?
 105                                 if ((!force_rich) && (ed.pasteAsPlainText)) {
 106                                         t._insertPlainText(o.content);
 107
 108                                         if (!getParam(ed, "paste_text_sticky")) {
 109                                                 ed.pasteAsPlainText = false;
 110                                                 ed.controlManager.setActive("pastetext", false);
 111                                         }
 112                                 } else {
 113                                         t._insert(o.content);
 114                                 }
 115                         }
 116
 117                         // Add command for external usage
 118                         ed.addCommand('mceInsertClipboardContent', function(u, o) {
 119                                 process(o, true);
 120                         });
 121
 122                         if (!getParam(ed, "paste_text_use_dialog")) {
 123                                 ed.addCommand('mcePasteText', function(u, v) {
 124                                         var cookie = tinymce.util.Cookie;
 125
 126                                         ed.pasteAsPlainText = !ed.pasteAsPlainText;
 127                                         ed.controlManager.setActive('pastetext', ed.pasteAsPlainText);
 128
 129                                         if ((ed.pasteAsPlainText) && (!cookie.get("tinymcePasteText"))) {
 130                                                 if (getParam(ed, "paste_text_sticky")) {
 131                                                         ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
 132                                                 } else {
 133                                                         ed.windowManager.alert(ed.translate('paste.plaintext_mode'));
 134                                                 }
 135
 136                                                 if (!getParam(ed, "paste_text_notifyalways")) {
 137                                                         cookie.set("tinymcePasteText", "1", new Date(new Date().getFullYear() + 1, 12, 31))
 138                                                 }
 139                                         }
 140                                 });
 141                         }
 142
 143                         ed.addButton('pastetext', {title: 'paste.paste_text_desc', cmd: 'mcePasteText'});
 144                         ed.addButton('selectall', {title: 'paste.selectall_desc', cmd: 'selectall'});
 145
 146                         // This function grabs the contents from the clipboard by adding a
 147                         // hidden div and placing the caret inside it and after the browser paste
 148                         // is done it grabs that contents and processes that
 149                         function grabContent(e) {
 150                                 var n, or, rng, oldRng, sel = ed.selection, dom = ed.dom, body = ed.getBody(), posY, textContent;
 151
 152                                 // Check if browser supports direct plaintext access
 153                                 if (e.clipboardData || dom.doc.dataTransfer) {
 154                                         textContent = (e.clipboardData || dom.doc.dataTransfer).getData('Text');
 155
 156                                         if (ed.pasteAsPlainText) {
 157                                                 e.preventDefault();
 158                                                 process({content : dom.encode(textContent).replace(/\r?\n/g, '<br />')});
 159                                                 return;
 160                                         }
 161                                 }
 162
 163                                 if (dom.get('_mcePaste'))
 164                                         return;
 165
 166                                 // Create container to paste into
 167                                 n = dom.add(body, 'div', {id : '_mcePaste', 'class' : 'mcePaste', 'data-mce-bogus' : '1'}, '\uFEFF\uFEFF');
 168
 169                                 // If contentEditable mode we need to find out the position of the closest element
 170                                 if (body != ed.getDoc().body)
 171                                         posY = dom.getPos(ed.selection.getStart(), body).y;
 172                                 else
 173                                         posY = body.scrollTop + dom.getViewPort(ed.getWin()).y;
 174
 175                                 // Styles needs to be applied after the element is added to the document since WebKit will otherwise remove all styles
 176                                 // If also needs to be in view on IE or the paste would fail
 177                                 dom.setStyles(n, {
 178                                         position : 'absolute',
 179                                         left : tinymce.isGecko ? -40 : 0, // Need to move it out of site on Gecko since it will othewise display a ghost resize rect for the div
 180                                         top : posY - 25,
 181                                         width : 1,
 182                                         height : 1,
 183                                         overflow : 'hidden'
 184                                 });
 185
 186                                 if (tinymce.isIE) {
 187                                         // Store away the old range
 188                                         oldRng = sel.getRng();
 189
 190                                         // Select the container
 191                                         rng = dom.doc.body.createTextRange();
 192                                         rng.moveToElementText(n);
 193                                         rng.execCommand('Paste');
 194
 195                                         // Remove container
 196                                         dom.remove(n);
 197
 198                                         // Check if the contents was changed, if it wasn't then clipboard extraction failed probably due
 199                                         // to IE security settings so we pass the junk though better than nothing right
 200                                         if (n.innerHTML === '\uFEFF\uFEFF') {
 201                                                 ed.execCommand('mcePasteWord');
 202                                                 e.preventDefault();
 203                                                 return;
 204                                         }
 205
 206                                         // Restore the old range and clear the contents before pasting
 207                                         sel.setRng(oldRng);
 208                                         sel.setContent('');
 209
 210                                         // For some odd reason we need to detach the the mceInsertContent call from the paste event
 211                                         // It's like IE has a reference to the parent element that you paste in and the selection gets messed up
 212                                         // when it tries to restore the selection
 213                                         setTimeout(function() {
 214                                                 // Process contents
 215                                                 process({content : n.innerHTML});
 216                                         }, 0);
 217
 218                                         // Block the real paste event
 219                                         return tinymce.dom.Event.cancel(e);
 220                                 } else {
 221                                         function block(e) {
 222                                                 e.preventDefault();
 223                                         };
 224
 225                                         // Block mousedown and click to prevent selection change
 226                                         dom.bind(ed.getDoc(), 'mousedown', block);
 227                                         dom.bind(ed.getDoc(), 'keydown', block);
 228
 229                                         or = ed.selection.getRng();
 230
 231                                         // Move select contents inside DIV
 232                                         n = n.firstChild;
 233                                         rng = ed.getDoc().createRange();
 234                                         rng.setStart(n, 0);
 235                                         rng.setEnd(n, 2);
 236                                         sel.setRng(rng);
 237
 238                                         // Wait a while and grab the pasted contents
 239                                         window.setTimeout(function() {
 240                                                 var h = '', nl;
 241
 242                                                 // Paste divs duplicated in paste divs seems to happen when you paste plain text so lets first look for that broken behavior in WebKit
 243                                                 if (!dom.select('div.mcePaste > div.mcePaste').length) {
 244                                                         nl = dom.select('div.mcePaste');
 245
 246                                                         // WebKit will split the div into multiple ones so this will loop through then all and join them to get the whole HTML string
 247                                                         each(nl, function(n) {
 248                                                                 var child = n.firstChild;
 249
 250                                                                 // WebKit inserts a DIV container with lots of odd styles
 251                                                                 if (child && child.nodeName == 'DIV' && child.style.marginTop && child.style.backgroundColor) {
 252                                                                         dom.remove(child, 1);
 253                                                                 }
 254
 255                                                                 // Remove apply style spans
 256                                                                 each(dom.select('span.Apple-style-span', n), function(n) {
 257                                                                         dom.remove(n, 1);
 258                                                                 });
 259
 260                                                                 // Remove bogus br elements
 261                                                                 each(dom.select('br[data-mce-bogus]', n), function(n) {
 262                                                                         dom.remove(n);
 263                                                                 });
 264
 265                                                                 // WebKit will make a copy of the DIV for each line of plain text pasted and insert them into the DIV
 266                                                                 if (n.parentNode.className != 'mcePaste')
 267                                                                         h += n.innerHTML;
 268                                                         });
 269                                                 } else {
 270                                                         // Found WebKit weirdness so force the content into paragraphs this seems to happen when you paste plain text from Nodepad etc
 271                                                         // So this logic will replace double enter with paragraphs and single enter with br so it kind of looks the same
 272                                                         h = '<p>' + dom.encode(textContent).replace(/\r?\n\r?\n/g, '</p><p>').replace(/\r?\n/g, '<br />') + '</p>';
 273                                                 }
 274
 275                                                 // Remove the nodes
 276                                                 each(dom.select('div.mcePaste'), function(n) {
 277                                                         dom.remove(n);
 278                                                 });
 279
 280                                                 // Restore the old selection
 281                                                 if (or)
 282                                                         sel.setRng(or);
 283
 284                                                 process({content : h});
 285
 286                                                 // Unblock events ones we got the contents
 287                                                 dom.unbind(ed.getDoc(), 'mousedown', block);
 288                                                 dom.unbind(ed.getDoc(), 'keydown', block);
 289                                         }, 0);
 290                                 }
 291                         }
 292
 293                         // Check if we should use the new auto process method
 294                         if (getParam(ed, "paste_auto_cleanup_on_paste")) {
 295                                 // Is it's Opera or older FF use key handler
 296                                 if (tinymce.isOpera || /Firefox\/2/.test(navigator.userAgent)) {
 297                                         ed.onKeyDown.addToTop(function(ed, e) {
 298                                                 if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
 299                                                         grabContent(e);
 300                                         });
 301                                 } else {
 302                                         // Grab contents on paste event on Gecko and WebKit
 303                                         ed.onPaste.addToTop(function(ed, e) {
 304                                                 return grabContent(e);
 305                                         });
 306                                 }
 307                         }
 308
 309                         ed.onInit.add(function() {
 310                                 ed.controlManager.setActive("pastetext", ed.pasteAsPlainText);
 311
 312                                 // Block all drag/drop events
 313                                 if (getParam(ed, "paste_block_drop")) {
 314                                         ed.dom.bind(ed.getBody(), ['dragend', 'dragover', 'draggesture', 'dragdrop', 'drop', 'drag'], function(e) {
 315                                                 e.preventDefault();
 316                                                 e.stopPropagation();
 317
 318                                                 return false;
 319                                         });
 320                                 }
 321                         });
 322
 323                         // Add legacy support
 324                         t._legacySupport();
 325                 },
 326
 327                 getInfo : function() {
 328                         return {
 329                                 longname : 'Paste text/word',
 330                                 author : 'Moxiecode Systems AB',
 331                                 authorurl : 'http://tinymce.moxiecode.com',
 332                                 infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/paste',
 333                                 version : tinymce.majorVersion + "." + tinymce.minorVersion
 334                         };
 335                 },
 336
 337                 _preProcess : function(pl, o) {
 338                         var ed = this.editor,
 339                                 h = o.content,
 340                                 grep = tinymce.grep,
 341                                 explode = tinymce.explode,
 342                                 trim = tinymce.trim,
 343                                 len, stripClass;
 344
 345                         //console.log('Before preprocess:' + o.content);
 346
 347                         function process(items) {
 348                                 each(items, function(v) {
 349                                         // Remove or replace
 350                                         if (v.constructor == RegExp)
 351                                                 h = h.replace(v, '');
 352                                         else
 353                                                 h = h.replace(v[0], v[1]);
 354                                 });
 355                         }
 356
 357                         if (ed.settings.paste_enable_default_filters == false) {
 358                                 return;
 359                         }
 360
 361                         // IE9 adds BRs before/after block elements when contents is pasted from word or for example another browser
 362                         if (tinymce.isIE && document.documentMode >= 9) {
 363                                 // IE9 adds BRs before/after block elements when contents is pasted from word or for example another browser
 364                                 process([[/(?:<br>&nbsp;[\s\r\n]+|<br>)*(<\/?(h[1-6r]|p|div|address|pre|form|table|tbody|thead|tfoot|th|tr|td|li|ol|ul|caption|blockquote|center|dl|dt|dd|dir|fieldset)[^>]*>)(?:<br>&nbsp;[\s\r\n]+|<br>)*/g, '$1']]);
 365
 366                                 // IE9 also adds an extra BR element for each soft-linefeed and it also adds a BR for each word wrap break
 367                                 process([
 368                                         [/<br><br>/g, '<BR><BR>'], // Replace multiple BR elements with uppercase BR to keep them intact
 369                                         [/<br>/g, ' '], // Replace single br elements with space since they are word wrap BR:s
 370                                         [/<BR><BR>/g, '<br>'] // Replace back the double brs but into a single BR
 371                                 ]);
 372                         }
 373
 374                         // Detect Word content and process it more aggressive
 375                         if (/class="?Mso|style="[^"]*\bmso-|w:WordDocument/i.test(h) || o.wordContent) {
 376                                 o.wordContent = true;                   // Mark the pasted contents as word specific content
 377                                 //console.log('Word contents detected.');
 378
 379                                 // Process away some basic content
 380                                 process([
 381                                         /^\s*(&nbsp;)+/gi,                              // &nbsp; entities at the start of contents
 382                                         /(&nbsp;|<br[^>]*>)+\s*$/gi             // &nbsp; entities at the end of contents
 383                                 ]);
 384
 385                                 if (getParam(ed, "paste_convert_headers_to_strong")) {
 386                                         h = h.replace(/<p [^>]*class="?MsoHeading"?[^>]*>(.*?)<\/p>/gi, "<p><strong>$1</strong></p>");
 387                                 }
 388
 389                                 if (getParam(ed, "paste_convert_middot_lists")) {
 390                                         process([
 391                                                 [/<!--\[if !supportLists\]-->/gi, '$&__MCE_ITEM__'],                                    // Convert supportLists to a list item marker
 392                                                 [/(<span[^>]+(?:mso-list:|:\s*symbol)[^>]+>)/gi, '$1__MCE_ITEM__'],             // Convert mso-list and symbol spans to item markers
 393                                                 [/(<p[^>]+(?:MsoListParagraph)[^>]+>)/gi, '$1__MCE_ITEM__']                             // Convert mso-list and symbol paragraphs to item markers (FF)
 394                                         ]);
 395                                 }
 396
 397                                 process([
 398                                         // Word comments like conditional comments etc
 399                                         /<!--[\s\S]+?-->/gi,
 400
 401                                         // Remove comments, scripts (e.g., msoShowComment), XML tag, VML content, MS Office namespaced tags, and a few other tags
 402                                         /<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
 403
 404                                         // Convert <s> into <strike> for line-though
 405                                         [/<(\/?)s>/gi, "<$1strike>"],
 406
 407                                         // Replace nsbp entites to char since it's easier to handle
 408                                         [/&nbsp;/gi, "\u00a0"]
 409                                 ]);
 410
 411                                 // Remove bad attributes, with or without quotes, ensuring that attribute text is really inside a tag.
 412                                 // If JavaScript had a RegExp look-behind, we could have integrated this with the last process() array and got rid of the loop. But alas, it does not, so we cannot.
 413                                 do {
 414                                         len = h.length;
 415                                         h = h.replace(/(<[a-z][^>]*\s)(?:id|name|language|type|on\w+|\w+:\w+)=(?:"[^"]*"|\w+)\s?/gi, "$1");
 416                                 } while (len != h.length);
 417
 418                                 // Remove all spans if no styles is to be retained
 419                                 if (getParam(ed, "paste_retain_style_properties").replace(/^none$/i, "").length == 0) {
 420                                         h = h.replace(/<\/?span[^>]*>/gi, "");
 421                                 } else {
 422                                         // We're keeping styles, so at least clean them up.
 423                                         // CSS Reference: http://msdn.microsoft.com/en-us/library/aa155477.aspx
 424
 425                                         process([
 426                                                 // Convert <span style="mso-spacerun:yes">___</span> to string of alternating breaking/non-breaking spaces of same length
 427                                                 [/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
 428                                                         function(str, spaces) {
 429                                                                 return (spaces.length > 0)? spaces.replace(/./, " ").slice(Math.floor(spaces.length/2)).split("").join("\u00a0") : "";
 430                                                         }
 431                                                 ],
 432
 433                                                 // Examine all styles: delete junk, transform some, and keep the rest
 434                                                 [/(<[a-z][^>]*)\sstyle="([^"]*)"/gi,
 435                                                         function(str, tag, style) {
 436                                                                 var n = [],
 437                                                                         i = 0,
 438                                                                         s = explode(trim(style).replace(/&quot;/gi, "'"), ";");
 439
 440                                                                 // Examine each style definition within the tag's style attribute
 441                                                                 each(s, function(v) {
 442                                                                         var name, value,
 443                                                                                 parts = explode(v, ":");
 444
 445                                                                         function ensureUnits(v) {
 446                                                                                 return v + ((v !== "0") && (/\d$/.test(v)))? "px" : "";
 447                                                                         }
 448
 449                                                                         if (parts.length == 2) {
 450                                                                                 name = parts[0].toLowerCase();
 451                                                                                 value = parts[1].toLowerCase();
 452
 453                                                                                 // Translate certain MS Office styles into their CSS equivalents
 454                                                                                 switch (name) {
 455                                                                                         case "mso-padding-alt":
 456                                                                                         case "mso-padding-top-alt":
 457                                                                                         case "mso-padding-right-alt":
 458                                                                                         case "mso-padding-bottom-alt":
 459                                                                                         case "mso-padding-left-alt":
 460                                                                                         case "mso-margin-alt":
 461                                                                                         case "mso-margin-top-alt":
 462                                                                                         case "mso-margin-right-alt":
 463                                                                                         case "mso-margin-bottom-alt":
 464                                                                                         case "mso-margin-left-alt":
 465                                                                                         case "mso-table-layout-alt":
 466                                                                                         case "mso-height":
 467                                                                                         case "mso-width":
 468                                                                                         case "mso-vertical-align-alt":
 469                                                                                                 n[i++] = name.replace(/^mso-|-alt$/g, "") + ":" + ensureUnits(value);
 470                                                                                                 return;
 471
 472                                                                                         case "horiz-align":
 473                                                                                                 n[i++] = "text-align:" + value;
 474                                                                                                 return;
 475
 476                                                                                         case "vert-align":
 477                                                                                                 n[i++] = "vertical-align:" + value;
 478                                                                                                 return;
 479
 480                                                                                         case "font-color":
 481                                                                                         case "mso-foreground":
 482                                                                                                 n[i++] = "color:" + value;
 483                                                                                                 return;
 484
 485                                                                                         case "mso-background":
 486                                                                                         case "mso-highlight":
 487                                                                                                 n[i++] = "background:" + value;
 488                                                                                                 return;
 489
 490                                                                                         case "mso-default-height":
 491                                                                                                 n[i++] = "min-height:" + ensureUnits(value);
 492                                                                                                 return;
 493
 494                                                                                         case "mso-default-width":
 495                                                                                                 n[i++] = "min-width:" + ensureUnits(value);
 496                                                                                                 return;
 497
 498                                                                                         case "mso-padding-between-alt":
 499                                                                                                 n[i++] = "border-collapse:separate;border-spacing:" + ensureUnits(value);
 500                                                                                                 return;
 501
 502                                                                                         case "text-line-through":
 503                                                                                                 if ((value == "single") || (value == "double")) {
 504                                                                                                         n[i++] = "text-decoration:line-through";
 505                                                                                                 }
 506                                                                                                 return;
 507
 508                                                                                         case "mso-zero-height":
 509                                                                                                 if (value == "yes") {
 510                                                                                                         n[i++] = "display:none";
 511                                                                                                 }
 512                                                                                                 return;
 513                                                                                 }
 514
 515                                                                                 // Eliminate all MS Office style definitions that have no CSS equivalent by examining the first characters in the name
 516                                                                                 if (/^(mso|column|font-emph|lang|layout|line-break|list-image|nav|panose|punct|row|ruby|sep|size|src|tab-|table-border|text-(?!align|decor|indent|trans)|top-bar|version|vnd|word-break)/.test(name)) {
 517                                                                                         return;
 518                                                                                 }
 519
 520                                                                                 // If it reached this point, it must be a valid CSS style
 521                                                                                 n[i++] = name + ":" + parts[1];         // Lower-case name, but keep value case
 522                                                                         }
 523                                                                 });
 524
 525                                                                 // If style attribute contained any valid styles the re-write it; otherwise delete style attribute.
 526                                                                 if (i > 0) {
 527                                                                         return tag + ' style="' + n.join(';') + '"';
 528                                                                 } else {
 529                                                                         return tag;
 530                                                                 }
 531                                                         }
 532                                                 ]
 533                                         ]);
 534                                 }
 535                         }
 536
 537                         // Replace headers with <strong>
 538                         if (getParam(ed, "paste_convert_headers_to_strong")) {
 539                                 process([
 540                                         [/<h[1-6][^>]*>/gi, "<p><strong>"],
 541                                         [/<\/h[1-6][^>]*>/gi, "</strong></p>"]
 542                                 ]);
 543                         }
 544
 545                         process([
 546                                 // Copy paste from Java like Open Office will produce this junk on FF
 547                                 [/Version:[\d.]+\nStartHTML:\d+\nEndHTML:\d+\nStartFragment:\d+\nEndFragment:\d+/gi, '']
 548                         ]);
 549
 550                         // Class attribute options are: leave all as-is ("none"), remove all ("all"), or remove only those starting with mso ("mso").
 551                         // Note:-  paste_strip_class_attributes: "none", verify_css_classes: true is also a good variation.
 552                         stripClass = getParam(ed, "paste_strip_class_attributes");
 553
 554                         if (stripClass !== "none") {
 555                                 function removeClasses(match, g1) {
 556                                                 if (stripClass === "all")
 557                                                         return '';
 558
 559                                                 var cls = grep(explode(g1.replace(/^(["'])(.*)\1$/, "$2"), " "),
 560                                                         function(v) {
 561                                                                 return (/^(?!mso)/i.test(v));
 562                                                         }
 563                                                 );
 564
 565                                                 return cls.length ? ' class="' + cls.join(" ") + '"' : '';
 566                                 };
 567
 568                                 h = h.replace(/ class="([^"]+)"/gi, removeClasses);
 569                                 h = h.replace(/ class=([\-\w]+)/gi, removeClasses);
 570                         }
 571
 572                         // Remove spans option
 573                         if (getParam(ed, "paste_remove_spans")) {
 574                                 h = h.replace(/<\/?span[^>]*>/gi, "");
 575                         }
 576
 577                         //console.log('After preprocess:' + h);
 578
 579                         o.content = h;
 580                 },
 581
 582                 /**
 583                  * Various post process items.
 584                  */
 585                 _postProcess : function(pl, o) {
 586                         var t = this, ed = t.editor, dom = ed.dom, styleProps;
 587
 588                         if (ed.settings.paste_enable_default_filters == false) {
 589                                 return;
 590                         }
 591
 592                         if (o.wordContent) {
 593                                 // Remove named anchors or TOC links
 594                                 each(dom.select('a', o.node), function(a) {
 595                                         if (!a.href || a.href.indexOf('#_Toc') != -1)
 596                                                 dom.remove(a, 1);
 597                                 });
 598
 599                                 if (getParam(ed, "paste_convert_middot_lists")) {
 600                                         t._convertLists(pl, o);
 601                                 }
 602
 603                                 // Process styles
 604                                 styleProps = getParam(ed, "paste_retain_style_properties"); // retained properties
 605
 606                                 // Process only if a string was specified and not equal to "all" or "*"
 607                                 if ((tinymce.is(styleProps, "string")) && (styleProps !== "all") && (styleProps !== "*")) {
 608                                         styleProps = tinymce.explode(styleProps.replace(/^none$/i, ""));
 609
 610                                         // Retains some style properties
 611                                         each(dom.select('*', o.node), function(el) {
 612                                                 var newStyle = {}, npc = 0, i, sp, sv;
 613
 614                                                 // Store a subset of the existing styles
 615                                                 if (styleProps) {
 616                                                         for (i = 0; i < styleProps.length; i++) {
 617                                                                 sp = styleProps[i];
 618                                                                 sv = dom.getStyle(el, sp);
 619
 620                                                                 if (sv) {
 621                                                                         newStyle[sp] = sv;
 622                                                                         npc++;
 623                                                                 }
 624                                                         }
 625                                                 }
 626
 627                                                 // Remove all of the existing styles
 628                                                 dom.setAttrib(el, 'style', '');
 629
 630                                                 if (styleProps && npc > 0)
 631                                                         dom.setStyles(el, newStyle); // Add back the stored subset of styles
 632                                                 else // Remove empty span tags that do not have class attributes
 633                                                         if (el.nodeName == 'SPAN' && !el.className)
 634                                                                 dom.remove(el, true);
 635                                         });
 636                                 }
 637                         }
 638
 639                         // Remove all style information or only specifically on WebKit to avoid the style bug on that browser
 640                         if (getParam(ed, "paste_remove_styles") || (getParam(ed, "paste_remove_styles_if_webkit") && tinymce.isWebKit)) {
 641                                 each(dom.select('*[style]', o.node), function(el) {
 642                                         el.removeAttribute('style');
 643                                         el.removeAttribute('data-mce-style');
 644                                 });
 645                         } else {
 646                                 if (tinymce.isWebKit) {
 647                                         // We need to compress the styles on WebKit since if you paste <img border="0" /> it will become <img border="0" style="... lots of junk ..." />
 648                                         // Removing the mce_style that contains the real value will force the Serializer engine to compress the styles
 649                                         each(dom.select('*', o.node), function(el) {
 650                                                 el.removeAttribute('data-mce-style');
 651                                         });
 652                                 }
 653                         }
 654                 },
 655
 656                 /**
 657                  * Converts the most common bullet and number formats in Office into a real semantic UL/LI list.
 658                  */
 659                 _convertLists : function(pl, o) {
 660                         var dom = pl.editor.dom, listElm, li, lastMargin = -1, margin, levels = [], lastType, html;
 661
 662                         // Convert middot lists into real semantic lists
 663                         each(dom.select('p', o.node), function(p) {
 664                                 var sib, val = '', type, html, idx, parents;
 665
 666                                 // Get text node value at beginning of paragraph
 667                                 for (sib = p.firstChild; sib && sib.nodeType == 3; sib = sib.nextSibling)
 668                                         val += sib.nodeValue;
 669
 670                                 val = p.innerHTML.replace(/<\/?\w+[^>]*>/gi, '').replace(/&nbsp;/g, '\u00a0');
 671
 672                                 // Detect unordered lists look for bullets
 673                                 if (/^(__MCE_ITEM__)+[\u2022\u00b7\u00a7\u00d8o\u25CF]\s*\u00a0*/.test(val))
 674                                         type = 'ul';
 675
 676                                 // Detect ordered lists 1., a. or ixv.
 677                                 if (/^__MCE_ITEM__\s*\w+\.\s*\u00a0+/.test(val))
 678                                         type = 'ol';
 679
 680                                 // Check if node value matches the list pattern: o&nbsp;&nbsp;
 681                                 if (type) {
 682                                         margin = parseFloat(p.style.marginLeft || 0);
 683
 684                                         if (margin > lastMargin)
 685                                                 levels.push(margin);
 686
 687                                         if (!listElm || type != lastType) {
 688                                                 listElm = dom.create(type);
 689                                                 dom.insertAfter(listElm, p);
 690                                         } else {
 691                                                 // Nested list element
 692                                                 if (margin > lastMargin) {
 693                                                         listElm = li.appendChild(dom.create(type));
 694                                                 } else if (margin < lastMargin) {
 695                                                         // Find parent level based on margin value
 696                                                         idx = tinymce.inArray(levels, margin);
 697                                                         parents = dom.getParents(listElm.parentNode, type);
 698                                                         listElm = parents[parents.length - 1 - idx] || listElm;
 699                                                 }
 700                                         }
 701
 702                                         // Remove middot or number spans if they exists
 703                                         each(dom.select('span', p), function(span) {
 704                                                 var html = span.innerHTML.replace(/<\/?\w+[^>]*>/gi, '');
 705
 706                                                 // Remove span with the middot or the number
 707                                                 if (type == 'ul' && /^__MCE_ITEM__[\u2022\u00b7\u00a7\u00d8o\u25CF]/.test(html))
 708                                                         dom.remove(span);
 709                                                 else if (/^__MCE_ITEM__[\s\S]*\w+\.(&nbsp;|\u00a0)*\s*/.test(html))
 710                                                         dom.remove(span);
 711                                         });
 712
 713                                         html = p.innerHTML;
 714
 715                                         // Remove middot/list items
 716                                         if (type == 'ul')
 717                                                 html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^[\u2022\u00b7\u00a7\u00d8o\u25CF]\s*(&nbsp;|\u00a0)+\s*/, '');
 718                                         else
 719                                                 html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^\s*\w+\.(&nbsp;|\u00a0)+\s*/, '');
 720
 721                                         // Create li and add paragraph data into the new li
 722                                         li = listElm.appendChild(dom.create('li', 0, html));
 723                                         dom.remove(p);
 724
 725                                         lastMargin = margin;
 726                                         lastType = type;
 727                                 } else
 728                                         listElm = lastMargin = 0; // End list element
 729                         });
 730
 731                         // Remove any left over makers
 732                         html = o.node.innerHTML;
 733                         if (html.indexOf('__MCE_ITEM__') != -1)
 734                                 o.node.innerHTML = html.replace(/__MCE_ITEM__/g, '');
 735                 },
 736
 737                 /**
 738                  * Inserts the specified contents at the caret position.
 739                  */
 740                 _insert : function(h, skip_undo) {
 741                         var ed = this.editor, r = ed.selection.getRng();
 742
 743                         // First delete the contents seems to work better on WebKit when the selection spans multiple list items or multiple table cells.
 744                         if (!ed.selection.isCollapsed() && r.startContainer != r.endContainer)
 745                                 ed.getDoc().execCommand('Delete', false, null);
 746
 747                         ed.execCommand('mceInsertContent', false, h, {skip_undo : skip_undo});
 748                 },
 749
 750                 /**
 751                  * Instead of the old plain text method which tried to re-create a paste operation, the
 752                  * new approach adds a plain text mode toggle switch that changes the behavior of paste.
 753                  * This function is passed the same input that the regular paste plugin produces.
 754                  * It performs additional scrubbing and produces (and inserts) the plain text.
 755                  * This approach leverages all of the great existing functionality in the paste
 756                  * plugin, and requires minimal changes to add the new functionality.
 757                  * Speednet - June 2009
 758                  */
 759                 _insertPlainText : function(content) {
 760                         var ed = this.editor,
 761                                 linebr = getParam(ed, "paste_text_linebreaktype"),
 762                                 rl = getParam(ed, "paste_text_replacements"),
 763                                 is = tinymce.is;
 764
 765                         function process(items) {
 766                                 each(items, function(v) {
 767                                         if (v.constructor == RegExp)
 768                                                 content = content.replace(v, "");
 769                                         else
 770                                                 content = content.replace(v[0], v[1]);
 771                                 });
 772                         };
 773
 774                         if ((typeof(content) === "string") && (content.length > 0)) {
 775                                 // If HTML content with line-breaking tags, then remove all cr/lf chars because only tags will break a line
 776                                 if (/<(?:p|br|h[1-6]|ul|ol|dl|table|t[rdh]|div|blockquote|fieldset|pre|address|center)[^>]*>/i.test(content)) {
 777                                         process([
 778                                                 /[\n\r]+/g
 779                                         ]);
 780                                 } else {
 781                                         // Otherwise just get rid of carriage returns (only need linefeeds)
 782                                         process([
 783                                                 /\r+/g
 784                                         ]);
 785                                 }
 786
 787                                 process([
 788                                         [/<\/(?:p|h[1-6]|ul|ol|dl|table|div|blockquote|fieldset|pre|address|center)>/gi, "\n\n"],               // Block tags get a blank line after them
 789                                         [/<br[^>]*>|<\/tr>/gi, "\n"],                           // Single linebreak for <br /> tags and table rows
 790                                         [/<\/t[dh]>\s*<t[dh][^>]*>/gi, "\t"],           // Table cells get tabs betweem them
 791                                         /<[a-z!\/?][^>]*>/gi,                                           // Delete all remaining tags
 792                                         [/&nbsp;/gi, " "],                                                      // Convert non-break spaces to regular spaces (remember, *plain text*)
 793                                         [/(?:(?!\n)\s)*(\n+)(?:(?!\n)\s)*/gi, "$1"],// Cool little RegExp deletes whitespace around linebreak chars.
 794                                         [/\n{3,}/g, "\n\n"]                                                     // Max. 2 consecutive linebreaks
 795                                 ]);
 796
 797                                 content = ed.dom.decode(tinymce.html.Entities.encodeRaw(content));
 798
 799                                 // Perform default or custom replacements
 800                                 if (is(rl, "array")) {
 801                                         process(rl);
 802                                 } else if (is(rl, "string")) {
 803                                         process(new RegExp(rl, "gi"));
 804                                 }
 805
 806                                 // Treat paragraphs as specified in the config
 807                                 if (linebr == "none") {
 808                                         // Convert all line breaks to space
 809                                         process([
 810                                                 [/\n+/g, " "]
 811                                         ]);
 812                                 } else if (linebr == "br") {
 813                                         // Convert all line breaks to <br />
 814                                         process([
 815                                                 [/\n/g, "<br />"]
 816                                         ]);
 817                                 } else if (linebr == "p") {
 818                                         // Convert all line breaks to <p>...</p>
 819                                         process([
 820                                                 [/\n+/g, "</p><p>"],
 821                                                 [/^(.*<\/p>)(<p>)$/, '<p>$1']
 822                                         ]);
 823                                 } else {
 824                                         // defaults to "combined"
 825                                         // Convert single line breaks to <br /> and double line breaks to <p>...</p>
 826                                         process([
 827                                                 [/\n\n/g, "</p><p>"],
 828                                                 [/^(.*<\/p>)(<p>)$/, '<p>$1'],
 829                                                 [/\n/g, "<br />"]
 830                                         ]);
 831                                 }
 832
 833                                 ed.execCommand('mceInsertContent', false, content);
 834                         }
 835                 },
 836
 837                 /**
 838                  * This method will open the old style paste dialogs. Some users might want the old behavior but still use the new cleanup engine.
 839                  */
 840                 _legacySupport : function() {
 841                         var t = this, ed = t.editor;
 842
 843                         // Register command(s) for backwards compatibility
 844                         ed.addCommand("mcePasteWord", function() {
 845                                 ed.windowManager.open({
 846                                         file: t.url + "/pasteword.htm",
 847                                         width: parseInt(getParam(ed, "paste_dialog_width")),
 848                                         height: parseInt(getParam(ed, "paste_dialog_height")),
 849                                         inline: 1
 850                                 });
 851                         });
 852
 853                         if (getParam(ed, "paste_text_use_dialog")) {
 854                                 ed.addCommand("mcePasteText", function() {
 855                                         ed.windowManager.open({
 856                                                 file : t.url + "/pastetext.htm",
 857                                                 width: parseInt(getParam(ed, "paste_dialog_width")),
 858                                                 height: parseInt(getParam(ed, "paste_dialog_height")),
 859                                                 inline : 1
 860                                         });
 861                                 });
 862                         }
 863
 864                         // Register button for backwards compatibility
 865                         ed.addButton("pasteword", {title : "paste.paste_word_desc", cmd : "mcePasteWord"});
 866                 }
 867         });
 868
 869         // Register plugin
 870         tinymce.PluginManager.add("paste", tinymce.plugins.PastePlugin);
 871 })();