include/javascript/tiny_mce/plugins/lists/editor_plugin_src.js

   1 /**
   2  * editor_plugin_src.js
   3  *
   4  * Copyright 2011, 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, Event = tinymce.dom.Event, bookmark;
  13
  14         // Skips text nodes that only contain whitespace since they aren't semantically important.
  15         function skipWhitespaceNodes(e, next) {
  16                 while (e && (e.nodeType === 8 || (e.nodeType === 3 && /^[ \t\n\r]*$/.test(e.nodeValue)))) {
  17                         e = next(e);
  18                 }
  19                 return e;
  20         }
  21
  22         function skipWhitespaceNodesBackwards(e) {
  23                 return skipWhitespaceNodes(e, function(e) { return e.previousSibling; });
  24         }
  25
  26         function skipWhitespaceNodesForwards(e) {
  27                 return skipWhitespaceNodes(e, function(e) { return e.nextSibling; });
  28         }
  29
  30         function hasParentInList(ed, e, list) {
  31                 return ed.dom.getParent(e, function(p) {
  32                         return tinymce.inArray(list, p) !== -1;
  33                 });
  34         }
  35
  36         function isList(e) {
  37                 return e && (e.tagName === 'OL' || e.tagName === 'UL');
  38         }
  39
  40         function splitNestedLists(element, dom) {
  41                 var tmp, nested, wrapItem;
  42                 tmp = skipWhitespaceNodesBackwards(element.lastChild);
  43                 while (isList(tmp)) {
  44                         nested = tmp;
  45                         tmp = skipWhitespaceNodesBackwards(nested.previousSibling);
  46                 }
  47                 if (nested) {
  48                         wrapItem = dom.create('li', { style: 'list-style-type: none;'});
  49                         dom.split(element, nested);
  50                         dom.insertAfter(wrapItem, nested);
  51                         wrapItem.appendChild(nested);
  52                         wrapItem.appendChild(nested);
  53                         element = wrapItem.previousSibling;
  54                 }
  55                 return element;
  56         }
  57
  58         function attemptMergeWithAdjacent(e, allowDifferentListStyles, mergeParagraphs) {
  59                 e = attemptMergeWithPrevious(e, allowDifferentListStyles, mergeParagraphs);
  60                 return attemptMergeWithNext(e, allowDifferentListStyles, mergeParagraphs);
  61         }
  62
  63         function attemptMergeWithPrevious(e, allowDifferentListStyles, mergeParagraphs) {
  64                 var prev = skipWhitespaceNodesBackwards(e.previousSibling);
  65                 if (prev) {
  66                         return attemptMerge(prev, e, allowDifferentListStyles ? prev : false, mergeParagraphs);
  67                 } else {
  68                         return e;
  69                 }
  70         }
  71
  72         function attemptMergeWithNext(e, allowDifferentListStyles, mergeParagraphs) {
  73                 var next = skipWhitespaceNodesForwards(e.nextSibling);
  74                 if (next) {
  75                         return attemptMerge(e, next, allowDifferentListStyles ? next : false, mergeParagraphs);
  76                 } else {
  77                         return e;
  78                 }
  79         }
  80
  81         function attemptMerge(e1, e2, differentStylesMasterElement, mergeParagraphs) {
  82                 if (canMerge(e1, e2, !!differentStylesMasterElement, mergeParagraphs)) {
  83                         return merge(e1, e2, differentStylesMasterElement);
  84                 } else if (e1 && e1.tagName === 'LI' && isList(e2)) {
  85                         // Fix invalidly nested lists.
  86                         e1.appendChild(e2);
  87                 }
  88                 return e2;
  89         }
  90
  91         function canMerge(e1, e2, allowDifferentListStyles, mergeParagraphs) {
  92                 if (!e1 || !e2) {
  93                         return false;
  94                 } else if (e1.tagName === 'LI' && e2.tagName === 'LI') {
  95                         return e2.style.listStyleType === 'none' || containsOnlyAList(e2);
  96                 } else if (isList(e1)) {
  97                         return (e1.tagName === e2.tagName && (allowDifferentListStyles || e1.style.listStyleType === e2.style.listStyleType)) || isListForIndent(e2);
  98                 } else if (mergeParagraphs && e1.tagName === 'P' && e2.tagName === 'P') {
  99                         return true;
 100                 } else {
 101                         return false;
 102                 }
 103         }
 104
 105         function isListForIndent(e) {
 106                 var firstLI = skipWhitespaceNodesForwards(e.firstChild), lastLI = skipWhitespaceNodesBackwards(e.lastChild);
 107                 return firstLI && lastLI && isList(e) && firstLI === lastLI && (isList(firstLI) || firstLI.style.listStyleType === 'none'  || containsOnlyAList(firstLI));
 108         }
 109
 110         function containsOnlyAList(e) {
 111                 var firstChild = skipWhitespaceNodesForwards(e.firstChild), lastChild = skipWhitespaceNodesBackwards(e.lastChild);
 112                 return firstChild && lastChild && firstChild === lastChild && isList(firstChild);
 113         }
 114
 115         function merge(e1, e2, masterElement) {
 116                 var lastOriginal = skipWhitespaceNodesBackwards(e1.lastChild), firstNew = skipWhitespaceNodesForwards(e2.firstChild);
 117                 if (e1.tagName === 'P') {
 118                         e1.appendChild(e1.ownerDocument.createElement('br'));
 119                 }
 120                 while (e2.firstChild) {
 121                         e1.appendChild(e2.firstChild);
 122                 }
 123                 if (masterElement) {
 124                         e1.style.listStyleType = masterElement.style.listStyleType;
 125                 }
 126                 e2.parentNode.removeChild(e2);
 127                 attemptMerge(lastOriginal, firstNew, false);
 128                 return e1;
 129         }
 130
 131         function findItemToOperateOn(e, dom) {
 132                 var item;
 133                 if (!dom.is(e, 'li,ol,ul')) {
 134                         item = dom.getParent(e, 'li');
 135                         if (item) {
 136                                 e = item;
 137                         }
 138                 }
 139                 return e;
 140         }
 141
 142         tinymce.create('tinymce.plugins.Lists', {
 143                 init: function(ed, url) {
 144                         var enterDownInEmptyList = false;
 145                         function isTriggerKey(e) {
 146                                 return e.keyCode === 9 && (ed.queryCommandState('InsertUnorderedList') || ed.queryCommandState('InsertOrderedList'));
 147                         }
 148                         function isEnterInEmptyListItem(ed, e) {
 149                                 var sel = ed.selection, n;
 150                                 if (e.keyCode === 13) {
 151                                         n = sel.getStart();
 152                                         enterDownInEmptyList = sel.isCollapsed() && n && n.tagName === 'LI' && n.childNodes.length === 0;
 153                                         return enterDownInEmptyList;
 154                                 }
 155                         }
 156                         function cancelKeys(ed, e) {
 157                                 if (isTriggerKey(e) || isEnterInEmptyListItem(ed, e)) {
 158                                         return Event.cancel(e);
 159                                 }
 160                         }
 161
 162                         this.ed = ed;
 163                         ed.addCommand('Indent', this.indent, this);
 164                         ed.addCommand('Outdent', this.outdent, this);
 165                         ed.addCommand('InsertUnorderedList', function() {
 166                                 this.applyList('UL', 'OL');
 167                         }, this);
 168                         ed.addCommand('InsertOrderedList', function() {
 169                                 this.applyList('OL', 'UL');
 170                         }, this);
 171
 172                         ed.onInit.add(function() {
 173                                 ed.editorCommands.addCommands({
 174                                         'outdent': function() {
 175                                                 var sel = ed.selection, dom = ed.dom;
 176                                                 function hasStyleIndent(n) {
 177                                                         n = dom.getParent(n, dom.isBlock);
 178                                                         return n && (parseInt(ed.dom.getStyle(n, 'margin-left') || 0, 10) + parseInt(ed.dom.getStyle(n, 'padding-left') || 0, 10)) > 0;
 179                                                 }
 180                                                 return hasStyleIndent(sel.getStart()) || hasStyleIndent(sel.getEnd()) || ed.queryCommandState('InsertOrderedList') || ed.queryCommandState('InsertUnorderedList');
 181                                         }
 182                                 }, 'state');
 183                         });
 184
 185                         ed.onKeyUp.add(function(ed, e) {
 186                                 var n, rng;
 187                                 if (isTriggerKey(e)) {
 188                                         ed.execCommand(e.shiftKey ? 'Outdent' : 'Indent', true, null);
 189                                         return Event.cancel(e);
 190                                 } else if (enterDownInEmptyList && isEnterInEmptyListItem(ed, e)) {
 191                                         if (ed.queryCommandState('InsertOrderedList')) {
 192                                                 ed.execCommand('InsertOrderedList');
 193                                         } else {
 194                                                 ed.execCommand('InsertUnorderedList');
 195                                         }
 196                                         n = ed.selection.getStart();
 197                                         if (n && n.tagName === 'LI') {
 198                                                 // Fix the caret position on IE since it jumps back up to the previous list item.
 199                                                 n = ed.dom.getParent(n, 'ol,ul').nextSibling;
 200                                                 if (n && n.tagName === 'P') {
 201                                                         if (!n.firstChild) {
 202                                                                 n.appendChild(ed.getDoc().createTextNode(''));
 203                                                         }
 204                                                         rng = ed.dom.createRng();
 205                                                         rng.setStart(n.firstChild, 1);
 206                                                         rng.setEnd(n.firstChild, 1);
 207                                                         ed.selection.setRng(rng);
 208                                                 }
 209                                         }
 210                                         return Event.cancel(e);
 211                                 }
 212                         });
 213                         ed.onKeyPress.add(cancelKeys);
 214                         ed.onKeyDown.add(cancelKeys);
 215                 },
 216
 217                 applyList: function(targetListType, oppositeListType) {
 218                         var t = this, ed = t.ed, dom = ed.dom, applied = [], hasSameType = false, hasOppositeType = false, hasNonList = false, actions,
 219                                 selectedBlocks = ed.selection.getSelectedBlocks();
 220
 221                         function cleanupBr(e) {
 222                                 if (e && e.tagName === 'BR') {
 223                                         dom.remove(e);
 224                                 }
 225                         }
 226
 227                         function makeList(element) {
 228                                 var list = dom.create(targetListType), li;
 229                                 function adjustIndentForNewList(element) {
 230                                         // If there's a margin-left, outdent one level to account for the extra list margin.
 231                                         if (element.style.marginLeft || element.style.paddingLeft) {
 232                                                 t.adjustPaddingFunction(false)(element);
 233                                         }
 234                                 }
 235
 236                                 if (element.tagName === 'LI') {
 237                                         // No change required.
 238                                 } else if (element.tagName === 'P' || element.tagName === 'DIV' || element.tagName === 'BODY') {
 239                                         processBrs(element, function(startSection, br, previousBR) {
 240                                                 doWrapList(startSection, br, element.tagName === 'BODY' ? null : startSection.parentNode);
 241                                                 li = startSection.parentNode;
 242                                                 adjustIndentForNewList(li);
 243                                                 cleanupBr(br);
 244                                         });
 245                                         if (element.tagName === 'P' || selectedBlocks.length > 1) {
 246                                                 dom.split(li.parentNode.parentNode, li.parentNode);
 247                                         }
 248                                         attemptMergeWithAdjacent(li.parentNode, true);
 249                                         return;
 250                                 } else {
 251                                         // Put the list around the element.
 252                                         li = dom.create('li');
 253                                         dom.insertAfter(li, element);
 254                                         li.appendChild(element);
 255                                         adjustIndentForNewList(element);
 256                                         element = li;
 257                                 }
 258                                 dom.insertAfter(list, element);
 259                                 list.appendChild(element);
 260                                 attemptMergeWithAdjacent(list, true);
 261                                 applied.push(element);
 262                         }
 263
 264                         function doWrapList(start, end, template) {
 265                                 var li, n = start, tmp, i;
 266                                 while (!dom.isBlock(start.parentNode) && start.parentNode !== dom.getRoot()) {
 267                                         start = dom.split(start.parentNode, start.previousSibling);
 268                                         start = start.nextSibling;
 269                                         n = start;
 270                                 }
 271                                 if (template) {
 272                                         li = template.cloneNode(true);
 273                                         start.parentNode.insertBefore(li, start);
 274                                         while (li.firstChild) dom.remove(li.firstChild);
 275                                         li = dom.rename(li, 'li');
 276                                 } else {
 277                                         li = dom.create('li');
 278                                         start.parentNode.insertBefore(li, start);
 279                                 }
 280                                 while (n && n != end) {
 281                                         tmp = n.nextSibling;
 282                                         li.appendChild(n);
 283                                         n = tmp;
 284                                 }
 285                                 if (li.childNodes.length === 0) {
 286                                         li.innerHTML = '<br _mce_bogus="1" />';
 287                                 }
 288                                 makeList(li);
 289                         }
 290
 291                         function processBrs(element, callback) {
 292                                 var startSection, previousBR, END_TO_START = 3, START_TO_END = 1,
 293                                         breakElements = 'br,ul,ol,p,div,h1,h2,h3,h4,h5,h6,table,blockquote,address,pre,form,center,dl';
 294                                 function isAnyPartSelected(start, end) {
 295                                         var r = dom.createRng(), sel;
 296                                         bookmark.keep = true;
 297                                         ed.selection.moveToBookmark(bookmark);
 298                                         bookmark.keep = false;
 299                                         sel = ed.selection.getRng(true);
 300                                         if (!end) {
 301                                                 end = start.parentNode.lastChild;
 302                                         }
 303                                         r.setStartBefore(start);
 304                                         r.setEndAfter(end);
 305                                         return !(r.compareBoundaryPoints(END_TO_START, sel) > 0 || r.compareBoundaryPoints(START_TO_END, sel) <= 0);
 306                                 }
 307                                 function nextLeaf(br) {
 308                                         if (br.nextSibling)
 309                                                 return br.nextSibling;
 310                                         if (!dom.isBlock(br.parentNode) && br.parentNode !== dom.getRoot())
 311                                                 return nextLeaf(br.parentNode);
 312                                 }
 313                                 // Split on BRs within the range and process those.
 314                                 startSection = element.firstChild;
 315                                 // First mark the BRs that have any part of the previous section selected.
 316                                 var trailingContentSelected = false;
 317                                 each(dom.select(breakElements, element), function(br) {
 318                                         var b;
 319                                         if (br.hasAttribute && br.hasAttribute('_mce_bogus')) {
 320                                                 return true; // Skip the bogus Brs that are put in to appease Firefox and Safari.
 321                                         }
 322                                         if (isAnyPartSelected(startSection, br)) {
 323                                                 dom.addClass(br, '_mce_tagged_br');
 324                                                 startSection = nextLeaf(br);
 325                                         }
 326                                 });
 327                                 trailingContentSelected = (startSection && isAnyPartSelected(startSection, undefined));
 328                                 startSection = element.firstChild;
 329                                 each(dom.select(breakElements, element), function(br) {
 330                                         // Got a section from start to br.
 331                                         var tmp = nextLeaf(br);
 332                                         if (br.hasAttribute && br.hasAttribute('_mce_bogus')) {
 333                                                 return true; // Skip the bogus Brs that are put in to appease Firefox and Safari.
 334                                         }
 335                                         if (dom.hasClass(br, '_mce_tagged_br')) {
 336                                                 callback(startSection, br, previousBR);
 337                                                 previousBR = null;
 338                                         } else {
 339                                                 previousBR = br;
 340                                         }
 341                                         startSection = tmp;
 342                                 });
 343                                 if (trailingContentSelected) {
 344                                         callback(startSection, undefined, previousBR);
 345                                 }
 346                         }
 347
 348                         function wrapList(element) {
 349                                 processBrs(element, function(startSection, br, previousBR) {
 350                                         // Need to indent this part
 351                                         doWrapList(startSection, br);
 352                                         cleanupBr(br);
 353                                         cleanupBr(previousBR);
 354                                 });
 355                         }
 356
 357                         function changeList(element) {
 358                                 if (tinymce.inArray(applied, element) !== -1) {
 359                                         return;
 360                                 }
 361                                 if (element.parentNode.tagName === oppositeListType) {
 362                                         dom.split(element.parentNode, element);
 363                                         makeList(element);
 364                                         attemptMergeWithNext(element.parentNode, false);
 365                                 }
 366                                 applied.push(element);
 367                         }
 368
 369                         function convertListItemToParagraph(element) {
 370                                 var child, nextChild, mergedElement, splitLast;
 371                                 if (tinymce.inArray(applied, element) !== -1) {
 372                                         return;
 373                                 }
 374                                 element = splitNestedLists(element, dom);
 375                                 while (dom.is(element.parentNode, 'ol,ul,li')) {
 376                                         dom.split(element.parentNode, element);
 377                                 }
 378                                 // Push the original element we have from the selection, not the renamed one.
 379                                 applied.push(element);
 380                                 element = dom.rename(element, 'p');
 381                                 mergedElement = attemptMergeWithAdjacent(element, false, ed.settings.force_br_newlines);
 382                                 if (mergedElement === element) {
 383                                         // Now split out any block elements that can't be contained within a P.
 384                                         // Manually iterate to ensure we handle modifications correctly (doesn't work with tinymce.each)
 385                                         child = element.firstChild;
 386                                         while (child) {
 387                                                 if (dom.isBlock(child)) {
 388                                                         child = dom.split(child.parentNode, child);
 389                                                         splitLast = true;
 390                                                         nextChild = child.nextSibling && child.nextSibling.firstChild;
 391                                                 } else {
 392                                                         nextChild = child.nextSibling;
 393                                                         if (splitLast && child.tagName === 'BR') {
 394                                                                 dom.remove(child);
 395                                                         }
 396                                                         splitLast = false;
 397                                                 }
 398                                                 child = nextChild;
 399                                         }
 400                                 }
 401                         }
 402
 403                         each(selectedBlocks, function(e) {
 404                                 e = findItemToOperateOn(e, dom);
 405                                 if (e.tagName === oppositeListType || (e.tagName === 'LI' && e.parentNode.tagName === oppositeListType)) {
 406                                         hasOppositeType = true;
 407                                 } else if (e.tagName === targetListType || (e.tagName === 'LI' && e.parentNode.tagName === targetListType)) {
 408                                         hasSameType = true;
 409                                 } else {
 410                                         hasNonList = true;
 411                                 }
 412                         });
 413
 414                         if (hasNonList || hasOppositeType || selectedBlocks.length === 0) {
 415                                 actions = {
 416                                         'LI': changeList,
 417                                         'H1': makeList,
 418                                         'H2': makeList,
 419                                         'H3': makeList,
 420                                         'H4': makeList,
 421                                         'H5': makeList,
 422                                         'H6': makeList,
 423                                         'P': makeList,
 424                                         'BODY': makeList,
 425                                         'DIV': selectedBlocks.length > 1 ? makeList : wrapList,
 426                                         defaultAction: wrapList
 427                                 };
 428                         } else {
 429                                 actions = {
 430                                         defaultAction: convertListItemToParagraph
 431                                 };
 432                         }
 433                         this.process(actions);
 434                 },
 435
 436                 indent: function() {
 437                         var ed = this.ed, dom = ed.dom, indented = [];
 438
 439                         function createWrapItem(element) {
 440                                 var wrapItem = dom.create('li', { style: 'list-style-type: none;'});
 441                                 dom.insertAfter(wrapItem, element);
 442                                 return wrapItem;
 443                         }
 444
 445                         function createWrapList(element) {
 446                                 var wrapItem = createWrapItem(element),
 447                                         list = dom.getParent(element, 'ol,ul'),
 448                                         listType = list.tagName,
 449                                         listStyle = dom.getStyle(list, 'list-style-type'),
 450                                         attrs = {},
 451                                         wrapList;
 452                                 if (listStyle !== '') {
 453                                         attrs.style = 'list-style-type: ' + listStyle + ';';
 454                                 }
 455                                 wrapList = dom.create(listType, attrs);
 456                                 wrapItem.appendChild(wrapList);
 457                                 return wrapList;
 458                         }
 459
 460                         function indentLI(element) {
 461                                 if (!hasParentInList(ed, element, indented)) {
 462                                         element = splitNestedLists(element, dom);
 463                                         var wrapList = createWrapList(element);
 464                                         wrapList.appendChild(element);
 465                                         attemptMergeWithAdjacent(wrapList.parentNode, false);
 466                                         attemptMergeWithAdjacent(wrapList, false);
 467                                         indented.push(element);
 468                                 }
 469                         }
 470
 471                         this.process({
 472                                 'LI': indentLI,
 473                                 defaultAction: this.adjustPaddingFunction(true)
 474                         });
 475
 476                 },
 477
 478                 outdent: function() {
 479                         var t = this, ed = t.ed, dom = ed.dom, outdented = [];
 480
 481                         function outdentLI(element) {
 482                                 var listElement, targetParent, align;
 483                                 if (!hasParentInList(ed, element, outdented)) {
 484                                         if (dom.getStyle(element, 'margin-left') !== '' || dom.getStyle(element, 'padding-left') !== '') {
 485                                                 return t.adjustPaddingFunction(false)(element);
 486                                         }
 487                                         align = dom.getStyle(element, 'text-align', true);
 488                                         if (align === 'center' || align === 'right') {
 489                                                 dom.setStyle(element, 'text-align', 'left');
 490                                                 return;
 491                                         }
 492                                         element = splitNestedLists(element, dom);
 493                                         listElement = element.parentNode;
 494                                         targetParent = element.parentNode.parentNode;
 495                                         if (targetParent.tagName === 'P') {
 496                                                 dom.split(targetParent, element.parentNode);
 497                                         } else {
 498                                                 dom.split(listElement, element);
 499                                                 if (targetParent.tagName === 'LI') {
 500                                                         // Nested list, need to split the LI and go back out to the OL/UL element.
 501                                                         dom.split(targetParent, element);
 502                                                 } else if (!dom.is(targetParent, 'ol,ul')) {
 503                                                         dom.rename(element, 'p');
 504                                                 }
 505                                         }
 506                                         outdented.push(element);
 507                                 }
 508                         }
 509
 510                         this.process({
 511                                 'LI': outdentLI,
 512                                 defaultAction: this.adjustPaddingFunction(false)
 513                         });
 514
 515                         each(outdented, attemptMergeWithAdjacent);
 516                 },
 517
 518                 process: function(actions) {
 519                         var t = this, sel = t.ed.selection, dom = t.ed.dom, selectedBlocks, r;
 520                         function processElement(element) {
 521                                 dom.removeClass(element, '_mce_act_on');
 522                                 if (!element || element.nodeType !== 1) {
 523                                         return;
 524                                 }
 525                                 element = findItemToOperateOn(element, dom);
 526                                 var action = actions[element.tagName];
 527                                 if (!action) {
 528                                         action = actions.defaultAction;
 529                                 }
 530                                 action(element);
 531                         }
 532                         function recurse(element) {
 533                                 t.splitSafeEach(element.childNodes, processElement);
 534                         }
 535                         function brAtEdgeOfSelection(container, offset) {
 536                                 return offset >= 0 && container.hasChildNodes() && offset < container.childNodes.length &&
 537                                                 container.childNodes[offset].tagName === 'BR';
 538                         }
 539                         selectedBlocks = sel.getSelectedBlocks();
 540                         if (selectedBlocks.length === 0) {
 541                                 selectedBlocks = [ dom.getRoot() ];
 542                         }
 543
 544                         r = sel.getRng(true);
 545                         if (!r.collapsed) {
 546                                 if (brAtEdgeOfSelection(r.endContainer, r.endOffset - 1)) {
 547                                         r.setEnd(r.endContainer, r.endOffset - 1);
 548                                         sel.setRng(r);
 549                                 }
 550                                 if (brAtEdgeOfSelection(r.startContainer, r.startOffset)) {
 551                                         r.setStart(r.startContainer, r.startOffset + 1);
 552                                         sel.setRng(r);
 553                                 }
 554                         }
 555                         bookmark = sel.getBookmark();
 556                         actions.OL = actions.UL = recurse;
 557                         t.splitSafeEach(selectedBlocks, processElement);
 558                         sel.moveToBookmark(bookmark);
 559                         bookmark = null;
 560                         // Avoids table or image handles being left behind in Firefox.
 561                         t.ed.execCommand('mceRepaint');
 562                 },
 563
 564                 splitSafeEach: function(elements, f) {
 565                         if (tinymce.isGecko && (/Firefox\/[12]\.[0-9]/.test(navigator.userAgent) ||
 566                                         /Firefox\/3\.[0-4]/.test(navigator.userAgent))) {
 567                                 this.classBasedEach(elements, f);
 568                         } else {
 569                                 each(elements, f);
 570                         }
 571                 },
 572
 573                 classBasedEach: function(elements, f) {
 574                         var dom = this.ed.dom, nodes, element;
 575                         // Mark nodes
 576                         each(elements, function(element) {
 577                                 dom.addClass(element, '_mce_act_on');
 578                         });
 579                         nodes = dom.select('._mce_act_on');
 580                         while (nodes.length > 0) {
 581                                 element = nodes.shift();
 582                                 dom.removeClass(element, '_mce_act_on');
 583                                 f(element);
 584                                 nodes = dom.select('._mce_act_on');
 585                         }
 586                 },
 587
 588                 adjustPaddingFunction: function(isIndent) {
 589                         var indentAmount, indentUnits, ed = this.ed;
 590                         indentAmount = ed.settings.indentation;
 591                         indentUnits = /[a-z%]+/i.exec(indentAmount);
 592                         indentAmount = parseInt(indentAmount, 10);
 593                         return function(element) {
 594                                 var currentIndent, newIndentAmount;
 595                                 currentIndent = parseInt(ed.dom.getStyle(element, 'margin-left') || 0, 10) + parseInt(ed.dom.getStyle(element, 'padding-left') || 0, 10);
 596                                 if (isIndent) {
 597                                         newIndentAmount = currentIndent + indentAmount;
 598                                 } else {
 599                                         newIndentAmount = currentIndent - indentAmount;
 600                                 }
 601                                 ed.dom.setStyle(element, 'padding-left', '');
 602                                 ed.dom.setStyle(element, 'margin-left', newIndentAmount > 0 ? newIndentAmount + indentUnits : '');
 603                         };
 604                 },
 605
 606                 getInfo: function() {
 607                         return {
 608                                 longname : 'Lists',
 609                                 author : 'Moxiecode Systems AB',
 610                                 authorurl : 'http://tinymce.moxiecode.com',
 611                                 infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/lists',
 612                                 version : tinymce.majorVersion + "." + tinymce.minorVersion
 613                         };
 614                 }
 615         });
 616         tinymce.PluginManager.add("lists", tinymce.plugins.Lists);
 617 }());