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   1  /**
   2   * $Id: editor_plugin_src.js 289 2007-05-28 09:12:16Z spocke $
   3   *
   4   * @author Moxiecode
   5   * @copyright Copyright © 2004-2006, Moxiecode Systems AB, All rights reserved.
   6   */
   7  
   8  tinyMCE.importPluginLanguagePack('spellchecker', 'en,fr,sv,nn,nb');
   9  
  10  // Plucin static class
  11  var TinyMCE_SpellCheckerPlugin = {
  12      _contextMenu : new TinyMCE_Menu(),
  13      _menu : new TinyMCE_Menu(),
  14      _counter : 0,
  15      _ajaxPage : '/tinyspell.php',
  16  
  17      getInfo : function() {
  18          return {
  19              longname : 'Spellchecker PHP',
  20              author : 'Moxiecode Systems AB',
  21              authorurl : 'http://tinymce.moxiecode.com',
  22              infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/spellchecker',
  23              version : "1.0.5"
  24          };
  25      },
  26  
  27      handleEvent : function(e) {
  28          var elm = tinyMCE.isMSIE ? e.srcElement : e.target;
  29          var inst = tinyMCE.selectedInstance, args = '';
  30          var self = TinyMCE_SpellCheckerPlugin;
  31          var cm = self._contextMenu;
  32          var p, p2, x, y, sx, sy, h, elm;
  33  
  34          // Handle click on word
  35          if ((e.type == "click" || e.type == "contextmenu") && elm) {
  36              do {
  37                  if (tinyMCE.getAttrib(elm, 'class') == "mceItemHiddenSpellWord") {
  38                      inst.spellCheckerElm = elm;
  39  
  40                      // Setup arguments
  41                      args += 'id=' + inst.editorId + "|" + (++self._counter);
  42                      args += '&cmd=suggest&check=' + encodeURIComponent(elm.innerHTML);
  43                      args += '&lang=' + escape(inst.spellCheckerLang);
  44  
  45                      elm = inst.spellCheckerElm;
  46                      p = tinyMCE.getAbsPosition(inst.iframeElement);
  47                      p2 = tinyMCE.getAbsPosition(elm);
  48                      h = parseInt(elm.offsetHeight);
  49                      sx = inst.getBody().scrollLeft;
  50                      sy = inst.getBody().scrollTop;
  51                      x = p.absLeft + p2.absLeft - sx;
  52                      y = p.absTop + p2.absTop - sy + h;
  53  
  54                      cm.clear();
  55                      cm.addTitle(tinyMCE.getLang('lang_spellchecker_wait', '', true));
  56                      cm.show();
  57                      cm.moveTo(x, y);
  58  
  59                      inst.selection.selectNode(elm, false, false);
  60  
  61                      self._sendAjax(self.baseURL + self._ajaxPage, self._ajaxResponse, 'post', args);
  62  
  63                      tinyMCE.cancelEvent(e);
  64                      return false;
  65                  }
  66              } while ((elm = elm.parentNode));
  67          }
  68  
  69          return true;
  70      },
  71  
  72      initInstance : function(inst) {
  73          var self = TinyMCE_SpellCheckerPlugin, m = self._menu, cm = self._contextMenu, e;
  74  
  75          tinyMCE.importCSS(inst.getDoc(), tinyMCE.baseURL + "/plugins/spellchecker/css/content.css");
  76  
  77          if (!tinyMCE.hasMenu('spellcheckercontextmenu')) {
  78              tinyMCE.importCSS(document, tinyMCE.baseURL + "/plugins/spellchecker/css/spellchecker.css");
  79  
  80              cm.init({drop_menu : false});
  81              tinyMCE.addMenu('spellcheckercontextmenu', cm);
  82          }
  83  
  84          if (!tinyMCE.hasMenu('spellcheckermenu')) {
  85              m.init({});
  86              tinyMCE.addMenu('spellcheckermenu', m);
  87          }
  88  
  89          inst.spellCheckerLang = 'en';
  90          self._buildSettingsMenu(inst, null);
  91  
  92          e = self._getBlockBoxLayer(inst).create('div', 'mceBlockBox', document.getElementById(inst.editorId + '_parent'));
  93          self._getMsgBoxLayer(inst).create('div', 'mceMsgBox', document.getElementById(inst.editorId + '_parent'));
  94      },
  95  
  96      _getMsgBoxLayer : function(inst) {
  97          if (!inst.spellCheckerMsgBoxL)
  98              inst.spellCheckerMsgBoxL = new TinyMCE_Layer(inst.editorId + '_spellcheckerMsgBox', false);
  99  
 100          return inst.spellCheckerMsgBoxL;
 101      },
 102  
 103      _getBlockBoxLayer : function(inst) {
 104          if (!inst.spellCheckerBoxL)
 105              inst.spellCheckerBoxL = new TinyMCE_Layer(inst.editorId + '_spellcheckerBlockBox', false);
 106  
 107          return inst.spellCheckerBoxL;
 108      },
 109  
 110      _buildSettingsMenu : function(inst, lang) {
 111          var i, ar = tinyMCE.getParam('spellchecker_languages', '+English=en').split(','), p;
 112          var self = TinyMCE_SpellCheckerPlugin, m = self._menu, c;
 113  
 114          m.clear();
 115          m.addTitle(tinyMCE.getLang('lang_spellchecker_langs', '', true));
 116  
 117          for (i=0; i<ar.length; i++) {
 118              if (ar[i] != '') {
 119                  p = ar[i].split('=');
 120                  c = 'mceMenuCheckItem';
 121  
 122                  if (p[0].charAt(0) == '+') {
 123                      p[0] = p[0].substring(1);
 124  
 125                      if (lang == null) {
 126                          c = 'mceMenuSelectedItem';
 127                          inst.spellCheckerLang = p[1];
 128                      }
 129                  }
 130  
 131                  if (lang == p[1])
 132                      c = 'mceMenuSelectedItem';
 133  
 134                  m.add({text : p[0], js : "tinyMCE.execInstanceCommand('" + inst.editorId + "','mceSpellCheckerSetLang',false,'" + p[1] + "');", class_name : c});
 135              }
 136          }
 137      },
 138  
 139      setupContent : function(editor_id, body, doc) {
 140          TinyMCE_SpellCheckerPlugin._removeWords(doc, null, true);
 141      },
 142  
 143      getControlHTML : function(cn) {
 144          switch (cn) {
 145              case "spellchecker":
 146                  return TinyMCE_SpellCheckerPlugin._getMenuButtonHTML(cn, 'lang_spellchecker_desc', '{$pluginurl}/images/spellchecker.gif', 'lang_spellchecker_desc', 'mceSpellCheckerMenu', 'mceSpellCheck');
 147          }
 148  
 149          return "";
 150      },
 151  
 152      /**
 153       * Returns the HTML code for a normal button control.
 154       *
 155       * @param {string} id Button control id, this will be the suffix for the element id, the prefix is the editor id.
 156       * @param {string} lang Language variable key name to insert as the title/alt of the button image.
 157       * @param {string} img Image URL to insert, {$themeurl} and {$pluginurl} will be replaced.
 158       * @param {string} mlang Language variable key name to insert as the title/alt of the menu button image.
 159       * @param {string} mid Menu by id to display when the menu button is pressed.
 160       * @param {string} cmd Command to execute when the user clicks the button.
 161       * @param {string} ui Optional user interface boolean for command.
 162       * @param {string} val Optional value for command.
 163       * @return HTML code for a normal button based in input information.
 164       * @type string
 165       */
 166      _getMenuButtonHTML : function(id, lang, img, mlang, mid, cmd, ui, val) {
 167          var h = '', m, x;
 168  
 169          cmd = 'tinyMCE.hideMenus();tinyMCE.execInstanceCommand(\'{$editor_id}\',\'' + cmd + '\'';
 170  
 171          if (typeof(ui) != "undefined" && ui != null)
 172              cmd += ',' + ui;
 173  
 174          if (typeof(val) != "undefined" && val != null)
 175              cmd += ",'" + val + "'";
 176  
 177          cmd += ');';
 178  
 179          // Use tilemaps when enabled and found and never in MSIE since it loads the tile each time from cache if cahce is disabled
 180          if (tinyMCE.getParam('button_tile_map') && (!tinyMCE.isMSIE || tinyMCE.isOpera) && (m = tinyMCE.buttonMap[id]) != null && (tinyMCE.getParam("language") == "en" || img.indexOf('$lang') == -1)) {
 181              // Tiled button
 182              x = 0 - (m * 20) == 0 ? '0' : 0 - (m * 20);
 183              h += '<a id="{$editor_id}_' + id + '" href="javascript:' + cmd + '" onclick="' + cmd + 'return false;" onmousedown="return false;" class="mceTiledButton mceButtonNormal" target="_self">';
 184              h += '<img src="{$themeurl}/images/spacer.gif" style="background-position: ' + x + 'px 0" title="{$' + lang + '}" />';
 185              h += '<img src="{$themeurl}/images/button_menu.gif" title="{$' + lang + '}" class="mceMenuButton" onclick="' + mcmd + 'return false;" />';
 186              h += '</a>';
 187          } else {
 188              if (tinyMCE.isMSIE && !tinyMCE.isOpera)
 189                  h += '<span id="{$editor_id}_' + id + '" class="mceMenuButton" onmouseover="tinyMCE.plugins.spellchecker._menuButtonEvent(\'over\',this);" onmouseout="tinyMCE.plugins.spellchecker._menuButtonEvent(\'out\',this);">';
 190              else
 191                  h += '<span id="{$editor_id}_' + id + '" class="mceMenuButton">';
 192  
 193              h += '<a href="javascript:' + cmd + '" onclick="' + cmd + 'return false;" onmousedown="return false;" class="mceMenuButtonNormal" target="_self">';
 194              h += '<img src="' + img + '" title="{$' + lang + '}" /></a>';
 195              h += '<a href="#" onclick="tinyMCE.plugins.spellchecker._toggleMenu(\'{$editor_id}\',\'' + mid + '\');return false;" onmousedown="return false;"><img src="{$themeurl}/images/button_menu.gif" title="{$' + lang + '}" class="mceMenuButton" />';
 196              h += '</a></span>';
 197          }
 198  
 199          return h;
 200      },
 201  
 202      _menuButtonEvent : function(e, o) {
 203          var t = this;
 204  
 205          // Give IE some time since it's buggy!! :(
 206          window.setTimeout(function() {
 207              t._menuButtonEvent2(e, o);
 208          }, 1);
 209      },
 210  
 211      _menuButtonEvent2 : function(e, o) {
 212          if (o.className == 'mceMenuButtonFocus')
 213              return;
 214  
 215          if (e == 'over')
 216              o.className = o.className + ' mceMenuHover';
 217          else
 218              o.className = o.className.replace(/\s.*$/, '');
 219      },
 220  
 221      _toggleMenu : function(editor_id, id) {
 222          var self = TinyMCE_SpellCheckerPlugin;
 223          var e = document.getElementById(editor_id + '_spellchecker');
 224          var inst = tinyMCE.getInstanceById(editor_id);
 225  
 226          if (self._menu.isVisible()) {
 227              tinyMCE.hideMenus();
 228              return;
 229          }
 230  
 231          tinyMCE.lastMenuBtnClass = e.className.replace(/\s.*$/, '');
 232          tinyMCE.switchClass(editor_id + '_spellchecker', 'mceMenuButtonFocus');
 233  
 234          self._menu.moveRelativeTo(e, 'bl');
 235          self._menu.moveBy(tinyMCE.isMSIE && !tinyMCE.isOpera ? 0 : 1, -1);
 236  
 237          if (tinyMCE.isOpera)
 238              self._menu.moveBy(0, -2);
 239  
 240          self._onMenuEvent(inst, self._menu, 'show');
 241  
 242          self._menu.show();
 243  
 244          tinyMCE.lastSelectedMenuBtn = editor_id + '_spellchecker';
 245      },
 246  
 247      _onMenuEvent : function(inst, m, n) {
 248          TinyMCE_SpellCheckerPlugin._buildSettingsMenu(inst, inst.spellCheckerLang);
 249      },
 250  
 251      execCommand : function(editor_id, element, command, user_interface, value) {
 252          var inst = tinyMCE.getInstanceById(editor_id), self = TinyMCE_SpellCheckerPlugin, args = '', co, bb, mb, nl, i, e, mbs;
 253  
 254          // Handle commands
 255          switch (command) {
 256              case "mceSpellCheck":
 257                  if (!inst.spellcheckerOn) {
 258                      inst.spellCheckerBookmark = inst.selection.getBookmark();
 259  
 260                      // Fix for IE bug: #1610184
 261                      if (tinyMCE.isRealIE)
 262                          tinyMCE.setInnerHTML(inst.getBody(), inst.getBody().innerHTML);
 263  
 264                      // Setup arguments
 265                      args += 'id=' + inst.editorId + "|" + (++self._counter);
 266                      args += '&cmd=spell&check=' + encodeURIComponent(self._getWordList(inst.getBody())).replace(/\'/g, '%27');
 267                      args += '&lang=' + escape(inst.spellCheckerLang);
 268  
 269                      co = document.getElementById(inst.editorId + '_parent').firstChild;
 270                      bb = self._getBlockBoxLayer(inst);
 271                      bb.moveRelativeTo(co, 'tl');
 272                      bb.resizeTo(co.offsetWidth, co.offsetHeight);
 273                      bb.show();
 274  
 275                      // Setup message box
 276                      mb = self._getMsgBoxLayer(inst);
 277                      e = mb.getElement();
 278  
 279                      if (e.childNodes[0])
 280                          e.removeChild(e.childNodes[0]);
 281  
 282                      mbs = document.createElement("span");
 283                      mbs.innerHTML = '<span>' + tinyMCE.getLang('lang_spellchecker_swait', '', true) + '</span>';
 284                      e.appendChild(mbs);
 285  
 286                      mb.show();
 287                      mb.moveRelativeTo(co, 'cc');
 288  
 289                      if (tinyMCE.isMSIE && !tinyMCE.isOpera) {
 290                          nl = co.getElementsByTagName('select');
 291                          for (i=0; i<nl.length; i++)
 292                              nl[i].disabled = true;
 293                      }
 294  
 295                      inst.spellcheckerOn = true;
 296                      tinyMCE.switchClass(editor_id + '_spellchecker', 'mceMenuButtonSelected');
 297  
 298                      self._sendAjax(self.baseURL + self._ajaxPage, self._ajaxResponse, 'post', args);
 299                  } else {
 300                      self._removeWords(inst.getDoc());
 301                      inst.spellcheckerOn = false;
 302                      tinyMCE.switchClass(editor_id + '_spellchecker', 'mceMenuButton');
 303                  }
 304  
 305                  return true;
 306  
 307              case "mceSpellCheckReplace":
 308                  if (inst.spellCheckerElm)
 309                      tinyMCE.setOuterHTML(inst.spellCheckerElm, value);
 310  
 311                  self._checkDone(inst);
 312                  self._contextMenu.hide();
 313                  self._menu.hide();
 314  
 315                  return true;
 316  
 317              case "mceSpellCheckIgnore":
 318                  if (inst.spellCheckerElm)
 319                      self._removeWord(inst.spellCheckerElm);
 320  
 321                  self._checkDone(inst);
 322                  self._contextMenu.hide();
 323                  self._menu.hide();
 324                  return true;
 325  
 326              case "mceSpellCheckIgnoreAll":
 327                  if (inst.spellCheckerElm)
 328                      self._removeWords(inst.getDoc(), inst.spellCheckerElm.innerHTML);
 329  
 330                  self._checkDone(inst);
 331                  self._contextMenu.hide();
 332                  self._menu.hide();
 333                  return true;
 334  
 335              case "mceSpellCheckerSetLang":
 336                  tinyMCE.hideMenus();
 337                  inst.spellCheckerLang = value;
 338                  self._removeWords(inst.getDoc());
 339                  inst.spellcheckerOn = false;
 340                  tinyMCE.switchClass(editor_id + '_spellchecker', 'mceMenuButton');
 341                  return true;
 342          }
 343  
 344          // Pass to next handler in chain
 345          return false;
 346      },
 347  
 348      cleanup : function(type, content, inst) {
 349          switch (type) {
 350              case "get_from_editor_dom":
 351                  TinyMCE_SpellCheckerPlugin._removeWords(content, null, true);
 352                  inst.spellcheckerOn = false;
 353                  break;
 354          }
 355  
 356          return content;
 357      },
 358  
 359      // Private plugin specific methods
 360  
 361      _displayUI : function(inst) {
 362          var self = TinyMCE_SpellCheckerPlugin;
 363          var bb = self._getBlockBoxLayer(inst);
 364          var mb = self._getMsgBoxLayer(inst);
 365          var nl, i;
 366          var co = document.getElementById(inst.editorId + '_parent').firstChild;
 367  
 368          if (tinyMCE.isMSIE && !tinyMCE.isOpera) {
 369              nl = co.getElementsByTagName('select');
 370              for (i=0; i<nl.length; i++)
 371                  nl[i].disabled = false;
 372          }
 373  
 374          bb.hide();
 375  
 376          // Boom, crash in FF if focus isn't else were
 377          // el.style.display='none' on a opacity element seems to crash it
 378          mb.hide();
 379      },
 380  
 381      _ajaxResponse : function(xml, text) {
 382          var el = xml ? xml.documentElement : null;
 383          var inst = tinyMCE.selectedInstance, self = TinyMCE_SpellCheckerPlugin;
 384          var cmd = el ? el.getAttribute("cmd") : null, err, id = el ? el.getAttribute("id") : null;
 385  
 386          if (id)
 387              inst = tinyMCE.getInstanceById(id.substring(0, id.indexOf('|')));
 388  
 389          // Workaround for crash in Gecko
 390          if (tinyMCE.isGecko)
 391              window.focus();
 392  
 393          self._displayUI(inst);
 394  
 395          // Restore the selection again
 396          if (tinyMCE.isGecko) {
 397              inst.getWin().focus();
 398              inst.selection.moveToBookmark(inst.spellCheckerBookmark);
 399          }
 400  
 401          // Ignore suggestions for other ajax responses
 402          if (cmd == "suggest" && id != inst.editorId + "|" + self._counter)
 403              return;
 404  
 405          if (!el) {
 406              text = '' + text;
 407  
 408              if (text.length > 500)
 409                  text = text.substring(500);
 410  
 411              inst.spellcheckerOn = false;
 412              tinyMCE.switchClass(inst.editorId + '_spellchecker', 'mceMenuButton');
 413              alert("Could not execute AJAX call, server didn't return valid a XML.\nResponse: " + text);
 414              return;
 415          }
 416  
 417          err = el.getAttribute("error");
 418  
 419          if (err == "true") {
 420              inst.spellcheckerOn = false;
 421              tinyMCE.switchClass(inst.editorId + '_spellchecker', 'mceMenuButton');
 422              alert(el.getAttribute("msg"));
 423              return;
 424          }
 425  
 426          switch (cmd) {
 427              case "spell":
 428                  if (xml.documentElement.firstChild) {
 429                      self._markWords(inst.getDoc(), inst.getBody(), decodeURIComponent(el.firstChild.nodeValue).split('+'));
 430                      inst.selection.moveToBookmark(inst.spellCheckerBookmark);
 431  
 432                      if(tinyMCE.getParam('spellchecker_report_misspellings', false))
 433                          alert(tinyMCE.getLang('lang_spellchecker_mpell_found', '', true, {words : self._countWords(inst)}));
 434                  } else
 435                      alert(tinyMCE.getLang('lang_spellchecker_no_mpell', '', true));
 436  
 437                  self._checkDone(inst);
 438  
 439                  // Odd stuff FF removed useCSS, disable state for it
 440                  inst.useCSS = false;
 441  
 442                  break;
 443  
 444              case "suggest":
 445                  self._buildMenu(el.firstChild ? decodeURIComponent(el.firstChild.nodeValue).split('+') : null, 10);
 446                  self._contextMenu.show();
 447                  break;
 448          }
 449      },
 450  
 451      _getWordSeparators : function() {
 452          var i, re = '', ch = tinyMCE.getParam('spellchecker_word_separator_chars', '\\s!"#$%&()*+,-./:;<=>?@[\]^_{|}§©«®±¶·¸»¼½¾¿×÷¤\u201d\u201c');
 453  
 454          for (i=0; i<ch.length; i++)
 455              re += '\\' + ch.charAt(i);
 456  
 457          return re;
 458      },
 459  
 460      _getWordList : function(n) {
 461          var i, x, s, nv = '', nl = tinyMCE.getNodeTree(n, [], 3), wl = [];
 462          var re = TinyMCE_SpellCheckerPlugin._getWordSeparators();
 463  
 464          for (i=0; i<nl.length; i++) {
 465              if (!new RegExp('/SCRIPT|STYLE/').test(nl[i].parentNode.nodeName))
 466                  nv += nl[i].nodeValue + " ";
 467          }
 468  
 469          nv = nv.replace(new RegExp('([0-9]|[' + re + '])', 'g'), ' ');
 470          nv = tinyMCE.trim(nv.replace(/(\s+)/g, ' '));
 471  
 472          nl = nv.split(/\s+/);
 473          for (i=0; i<nl.length; i++) {
 474              s = false;
 475              for (x=0; x<wl.length; x++) {
 476                  if (wl[x] == nl[i]) {
 477                      s = true;
 478                      break;
 479                  }
 480              }
 481  
 482              if (!s && nl[i].length > 0)
 483                  wl[wl.length] = nl[i];
 484          }
 485  
 486          return wl.join(' ');
 487      },
 488  
 489      _removeWords : function(doc, word, cleanup) {
 490          var i, c, nl = doc.getElementsByTagName("span");
 491          var self = TinyMCE_SpellCheckerPlugin;
 492          var inst = tinyMCE.selectedInstance, b = inst ? inst.selection.getBookmark() : null;
 493  
 494          word = typeof(word) == 'undefined' ? null : word;
 495  
 496          for (i=nl.length-1; i>=0; i--) {
 497              c = tinyMCE.getAttrib(nl[i], 'class');
 498  
 499              if ((c == 'mceItemHiddenSpellWord' || c == 'mceItemHidden') && (word == null || nl[i].innerHTML == word))
 500                  self._removeWord(nl[i]);
 501          }
 502  
 503          if (b && !cleanup)
 504              inst.selection.moveToBookmark(b);
 505      },
 506  
 507      _checkDone : function(inst) {
 508          var self = TinyMCE_SpellCheckerPlugin;
 509          var w = self._countWords(inst);
 510  
 511          if (w == 0) {
 512              self._removeWords(inst.getDoc());
 513              inst.spellcheckerOn = false;
 514              tinyMCE.switchClass(inst.editorId + '_spellchecker', 'mceMenuButton');
 515          }
 516      },
 517  
 518      _countWords : function(inst) {
 519          var i, w = 0, nl = inst.getDoc().getElementsByTagName("span"), c;
 520          var self = TinyMCE_SpellCheckerPlugin;
 521  
 522          for (i=nl.length-1; i>=0; i--) {
 523              c = tinyMCE.getAttrib(nl[i], 'class');
 524  
 525              if (c == 'mceItemHiddenSpellWord')
 526                  w++;
 527          }
 528  
 529          return w;
 530      },
 531  
 532      _removeWord : function(e) {
 533          if (e != null)
 534              tinyMCE.setOuterHTML(e, e.innerHTML);
 535      },
 536  
 537      _markWords : function(doc, n, wl) {
 538          var i, nv, nn, nl = tinyMCE.getNodeTree(n, new Array(), 3);
 539          var r1, r2, r3, r4, r5, w = '';
 540          var re = TinyMCE_SpellCheckerPlugin._getWordSeparators();
 541  
 542          for (i=0; i<wl.length; i++) {
 543              if (wl[i].length > 0)
 544                  w += wl[i] + ((i == wl.length-1) ? '' : '|');
 545          }
 546  
 547          for (i=0; i<nl.length; i++) {
 548              nv = nl[i].nodeValue;
 549  
 550              r1 = new RegExp('([' + re + '])(' + w + ')([' + re + '])', 'g');
 551              r2 = new RegExp('^(' + w + ')', 'g');
 552              r3 = new RegExp('(' + w + ')([' + re + ']?)$', 'g');
 553              r4 = new RegExp('^(' + w + ')([' + re + ']?)$', 'g');
 554              r5 = new RegExp('(' + w + ')([' + re + '])', 'g');
 555  
 556              if (r1.test(nv) || r2.test(nv) || r3.test(nv) || r4.test(nv)) {
 557                  nv = tinyMCE.xmlEncode(nv).replace('&#39;', "'");
 558                  nv = nv.replace(r5, '<span class="mceItemHiddenSpellWord">$1</span>$2');
 559                  nv = nv.replace(r3, '<span class="mceItemHiddenSpellWord">$1</span>$2');
 560  
 561                  nn = doc.createElement('span');
 562                  nn.className = "mceItemHidden";
 563                  nn.innerHTML = nv;
 564  
 565                  // Remove old text node
 566                  nl[i].parentNode.replaceChild(nn, nl[i]);
 567              }
 568          }
 569      },
 570  
 571      _buildMenu : function(sg, max) {
 572          var i, self = TinyMCE_SpellCheckerPlugin, cm = self._contextMenu;
 573  
 574          cm.clear();
 575  
 576          if (sg != null) {
 577              cm.addTitle(tinyMCE.getLang('lang_spellchecker_sug', '', true));
 578  
 579              for (i=0; i<sg.length && i<max; i++)
 580                  cm.addItem(sg[i], 'tinyMCE.execCommand("mceSpellCheckReplace",false,"' + sg[i] + '");');
 581  
 582              cm.addSeparator();
 583          } else
 584              cm.addTitle(tinyMCE.getLang('lang_spellchecker_no_sug', '', true));
 585  
 586          cm.addItem(tinyMCE.getLang('lang_spellchecker_ignore_word', '', true), 'tinyMCE.execCommand(\'mceSpellCheckIgnore\');');
 587          cm.addItem(tinyMCE.getLang('lang_spellchecker_ignore_words', '', true), 'tinyMCE.execCommand(\'mceSpellCheckIgnoreAll\');');
 588  
 589          cm.update();
 590      },
 591  
 592      _getAjaxHTTP : function() {
 593          try {
 594              return new ActiveXObject('Msxml2.XMLHTTP')
 595          } catch (e) {
 596              try {
 597                  return new ActiveXObject('Microsoft.XMLHTTP')
 598              } catch (e) {
 599                  return new XMLHttpRequest();
 600              }
 601          }
 602      },
 603  
 604      /**
 605       * Perform AJAX call.
 606       *
 607       * @param {string} u URL of AJAX service.
 608       * @param {function} f Function to call when response arrives.
 609       * @param {string} m Request method post or get.
 610       * @param {Array} a Array with arguments to send.
 611       */
 612      _sendAjax : function(u, f, m, a) {
 613          var x = TinyMCE_SpellCheckerPlugin._getAjaxHTTP();
 614  
 615          x.open(m, u, true);
 616  
 617          x.onreadystatechange = function() {
 618              if (x.readyState == 4)
 619                  f(x.responseXML, x.responseText);
 620          };
 621  
 622          if (m == 'post')
 623              x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
 624  
 625          x.send(a);
 626      }
 627  };
 628  
 629  // Register plugin
 630  tinyMCE.addPlugin('spellchecker', TinyMCE_SpellCheckerPlugin);