_source/plugins/selection/plugin.js

   1 /*\r
   2 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.\r
   3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
   4 */\r
   5 \r
   6 (function()\r
   7 {\r
   8         // #### checkSelectionChange : START\r
   9 \r
  10         // The selection change check basically saves the element parent tree of\r
  11         // the current node and check it on successive requests. If there is any\r
  12         // change on the tree, then the selectionChange event gets fired.\r
  13         function checkSelectionChange()\r
  14         {\r
  15                 try\r
  16                 {\r
  17                         // In IE, the "selectionchange" event may still get thrown when\r
  18                         // releasing the WYSIWYG mode, so we need to check it first.\r
  19                         var sel = this.getSelection();\r
  20                         if ( !sel || !sel.document.getWindow().$ )\r
  21                                 return;\r
  22 \r
  23                         var firstElement = sel.getStartElement();\r
  24                         var currentPath = new CKEDITOR.dom.elementPath( firstElement );\r
  25 \r
  26                         if ( !currentPath.compare( this._.selectionPreviousPath ) )\r
  27                         {\r
  28                                 this._.selectionPreviousPath = currentPath;\r
  29                                 this.fire( 'selectionChange', { selection : sel, path : currentPath, element : firstElement } );\r
  30                         }\r
  31                 }\r
  32                 catch (e)\r
  33                 {}\r
  34         }\r
  35 \r
  36         var checkSelectionChangeTimer,\r
  37                 checkSelectionChangeTimeoutPending;\r
  38 \r
  39         function checkSelectionChangeTimeout()\r
  40         {\r
  41                 // Firing the "OnSelectionChange" event on every key press started to\r
  42                 // be too slow. This function guarantees that there will be at least\r
  43                 // 200ms delay between selection checks.\r
  44 \r
  45                 checkSelectionChangeTimeoutPending = true;\r
  46 \r
  47                 if ( checkSelectionChangeTimer )\r
  48                         return;\r
  49 \r
  50                 checkSelectionChangeTimeoutExec.call( this );\r
  51 \r
  52                 checkSelectionChangeTimer = CKEDITOR.tools.setTimeout( checkSelectionChangeTimeoutExec, 200, this );\r
  53         }\r
  54 \r
  55         function checkSelectionChangeTimeoutExec()\r
  56         {\r
  57                 checkSelectionChangeTimer = null;\r
  58 \r
  59                 if ( checkSelectionChangeTimeoutPending )\r
  60                 {\r
  61                         // Call this with a timeout so the browser properly moves the\r
  62                         // selection after the mouseup. It happened that the selection was\r
  63                         // being moved after the mouseup when clicking inside selected text\r
  64                         // with Firefox.\r
  65                         CKEDITOR.tools.setTimeout( checkSelectionChange, 0, this );\r
  66 \r
  67                         checkSelectionChangeTimeoutPending = false;\r
  68                 }\r
  69         }\r
  70 \r
  71         // #### checkSelectionChange : END\r
  72 \r
  73         var selectAllCmd =\r
  74         {\r
  75                 modes : { wysiwyg : 1, source : 1 },\r
  76                 exec : function( editor )\r
  77                 {\r
  78                         switch ( editor.mode )\r
  79                         {\r
  80                                 case 'wysiwyg' :\r
  81                                         editor.document.$.execCommand( 'SelectAll', false, null );\r
  82                                         break;\r
  83                                 case 'source' :\r
  84                                         // Select the contents of the textarea\r
  85                                         var textarea = editor.textarea.$ ;\r
  86                                         if ( CKEDITOR.env.ie )\r
  87                                         {\r
  88                                                 textarea.createTextRange().execCommand( 'SelectAll' ) ;\r
  89                                         }\r
  90                                         else\r
  91                                         {\r
  92                                                 textarea.selectionStart = 0 ;\r
  93                                                 textarea.selectionEnd = textarea.value.length ;\r
  94                                         }\r
  95                                         textarea.focus() ;\r
  96                         }\r
  97                 },\r
  98                 canUndo : false\r
  99         };\r
 100 \r
 101         CKEDITOR.plugins.add( 'selection',\r
 102         {\r
 103                 init : function( editor )\r
 104                 {\r
 105                         editor.on( 'contentDom', function()\r
 106                                 {\r
 107                                         var doc = editor.document,\r
 108                                                 body = doc.getBody(),\r
 109                                                 html = doc.getDocumentElement();\r
 110 \r
 111                                         if ( CKEDITOR.env.ie )\r
 112                                         {\r
 113                                                 // Other browsers don't loose the selection if the\r
 114                                                 // editor document loose the focus. In IE, we don't\r
 115                                                 // have support for it, so we reproduce it here, other\r
 116                                                 // than firing the selection change event.\r
 117 \r
 118                                                 var savedRange,\r
 119                                                         saveEnabled,\r
 120                                                         restoreEnabled = 1;\r
 121 \r
 122                                                 // "onfocusin" is fired before "onfocus". It makes it\r
 123                                                 // possible to restore the selection before click\r
 124                                                 // events get executed.\r
 125                                                 body.on( 'focusin', function( evt )\r
 126                                                         {\r
 127                                                                 // If there are elements with layout they fire this event but\r
 128                                                                 // it must be ignored to allow edit its contents #4682\r
 129                                                                 if ( evt.data.$.srcElement.nodeName != 'BODY' )\r
 130                                                                         return;\r
 131 \r
 132                                                                 // If we have saved a range, restore it at this\r
 133                                                                 // point.\r
 134                                                                 if ( savedRange )\r
 135                                                                 {\r
 136                                                                         if ( restoreEnabled )\r
 137                                                                         {\r
 138                                                                                 // Well not break because of this.\r
 139                                                                                 try\r
 140                                                                                 {\r
 141                                                                                         savedRange.select();\r
 142                                                                                 }\r
 143                                                                                 catch (e)\r
 144                                                                                 {}\r
 145                                                                         }\r
 146 \r
 147                                                                         savedRange = null;\r
 148                                                                 }\r
 149                                                         });\r
 150 \r
 151                                                 body.on( 'focus', function()\r
 152                                                         {\r
 153                                                                 // Enable selections to be saved.\r
 154                                                                 saveEnabled = true;\r
 155 \r
 156                                                                 saveSelection();\r
 157                                                         });\r
 158 \r
 159                                                 body.on( 'beforedeactivate', function( evt )\r
 160                                                         {\r
 161                                                                 // Ignore this event if it's caused by focus switch between\r
 162                                                                 // internal editable control type elements, e.g. layouted paragraph. (#4682)\r
 163                                                                 if ( evt.data.$.toElement )\r
 164                                                                         return;\r
 165 \r
 166                                                                 // Disable selections from being saved.\r
 167                                                                 saveEnabled = false;\r
 168                                                                 restoreEnabled = 1;\r
 169                                                         });\r
 170 \r
 171                                                 // IE before version 8 will leave cursor blinking inside the document after\r
 172                                                 // editor blurred unless we clean up the selection. (#4716)\r
 173                                                 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )\r
 174                                                 {\r
 175                                                         editor.on( 'blur', function( evt )\r
 176                                                         {\r
 177                                                                 editor.document && editor.document.$.selection.empty();\r
 178                                                         });\r
 179                                                 }\r
 180 \r
 181                                                 // Listening on document element ensures that\r
 182                                                 // scrollbar is included. (#5280)\r
 183                                                 html.on( 'mousedown', function ()\r
 184                                                 {\r
 185                                                         // Lock restore selection now, as we have\r
 186                                                         // a followed 'click' event which introduce\r
 187                                                         // new selection. (#5735)\r
 188                                                         restoreEnabled = 0;\r
 189                                                 });\r
 190 \r
 191                                                 html.on( 'mouseup', function ()\r
 192                                                 {\r
 193                                                         restoreEnabled = 1;\r
 194                                                 });\r
 195 \r
 196                                                 // In IE6/7 the blinking cursor appears, but contents are\r
 197                                                 // not editable. (#5634)\r
 198                                                 if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.version < 8 || CKEDITOR.env.quirks ) )\r
 199                                                 {\r
 200                                                         // The 'click' event is not fired when clicking the\r
 201                                                         // scrollbars, so we can use it to check whether\r
 202                                                         // the empty space following <body> has been clicked.\r
 203                                                         html.on( 'click', function( evt )\r
 204                                                         {\r
 205                                                                 if ( evt.data.getTarget().getName() == 'html' )\r
 206                                                                         editor.getSelection().getRanges()[ 0 ].select();\r
 207                                                         });\r
 208                                                 }\r
 209 \r
 210                                                 // IE fires the "selectionchange" event when clicking\r
 211                                                 // inside a selection. We don't want to capture that.\r
 212                                                 body.on( 'mousedown', function ()\r
 213                                                 {\r
 214                                                         disableSave();\r
 215                                                 });\r
 216 \r
 217                                                 body.on( 'mouseup',\r
 218                                                         function()\r
 219                                                         {\r
 220                                                                 saveEnabled = true;\r
 221                                                                 setTimeout( function()\r
 222                                                                         {\r
 223                                                                                 saveSelection( true );\r
 224                                                                         },\r
 225                                                                         0 );\r
 226                                                         });\r
 227 \r
 228                                                 body.on( 'keydown', disableSave );\r
 229                                                 body.on( 'keyup',\r
 230                                                         function()\r
 231                                                         {\r
 232                                                                 saveEnabled = true;\r
 233                                                                 saveSelection();\r
 234                                                         });\r
 235 \r
 236 \r
 237                                                 // IE is the only to provide the "selectionchange"\r
 238                                                 // event.\r
 239                                                 doc.on( 'selectionchange', saveSelection );\r
 240 \r
 241                                                 function disableSave()\r
 242                                                 {\r
 243                                                         saveEnabled = false;\r
 244                                                 }\r
 245 \r
 246                                                 function saveSelection( testIt )\r
 247                                                 {\r
 248                                                         if ( saveEnabled )\r
 249                                                         {\r
 250                                                                 var doc = editor.document,\r
 251                                                                         sel = editor.getSelection(),\r
 252                                                                         nativeSel = sel && sel.getNative();\r
 253 \r
 254                                                                 // There is a very specific case, when clicking\r
 255                                                                 // inside a text selection. In that case, the\r
 256                                                                 // selection collapses at the clicking point,\r
 257                                                                 // but the selection object remains in an\r
 258                                                                 // unknown state, making createRange return a\r
 259                                                                 // range at the very start of the document. In\r
 260                                                                 // such situation we have to test the range, to\r
 261                                                                 // be sure it's valid.\r
 262                                                                 if ( testIt && nativeSel && nativeSel.type == 'None' )\r
 263                                                                 {\r
 264                                                                         // The "InsertImage" command can be used to\r
 265                                                                         // test whether the selection is good or not.\r
 266                                                                         // If not, it's enough to give some time to\r
 267                                                                         // IE to put things in order for us.\r
 268                                                                         if ( !doc.$.queryCommandEnabled( 'InsertImage' ) )\r
 269                                                                         {\r
 270                                                                                 CKEDITOR.tools.setTimeout( saveSelection, 50, this, true );\r
 271                                                                                 return;\r
 272                                                                         }\r
 273                                                                 }\r
 274 \r
 275                                                                 // Avoid saving selection from within text input. (#5747)\r
 276                                                                 var parentTag;\r
 277                                                                 if ( nativeSel && nativeSel.type && nativeSel.type != 'Control'\r
 278                                                                         && ( parentTag = nativeSel.createRange() )\r
 279                                                                         && ( parentTag = parentTag.parentElement() )\r
 280                                                                         && ( parentTag = parentTag.nodeName )\r
 281                                                                         && parentTag.toLowerCase() in { input: 1, textarea : 1 } )\r
 282                                                                 {\r
 283                                                                         return;\r
 284                                                                 }\r
 285 \r
 286                                                                 savedRange = nativeSel && sel.getRanges()[ 0 ];\r
 287 \r
 288                                                                 checkSelectionChangeTimeout.call( editor );\r
 289                                                         }\r
 290                                                 }\r
 291                                         }\r
 292                                         else\r
 293                                         {\r
 294                                                 // In other browsers, we make the selection change\r
 295                                                 // check based on other events, like clicks or keys\r
 296                                                 // press.\r
 297 \r
 298                                                 doc.on( 'mouseup', checkSelectionChangeTimeout, editor );\r
 299                                                 doc.on( 'keyup', checkSelectionChangeTimeout, editor );\r
 300                                         }\r
 301                                 });\r
 302 \r
 303                         editor.addCommand( 'selectAll', selectAllCmd );\r
 304                         editor.ui.addButton( 'SelectAll',\r
 305                                 {\r
 306                                         label : editor.lang.selectAll,\r
 307                                         command : 'selectAll'\r
 308                                 });\r
 309 \r
 310                         editor.selectionChange = checkSelectionChangeTimeout;\r
 311                 }\r
 312         });\r
 313 \r
 314         /**\r
 315          * Gets the current selection from the editing area when in WYSIWYG mode.\r
 316          * @returns {CKEDITOR.dom.selection} A selection object or null if not on\r
 317          *              WYSIWYG mode or no selection is available.\r
 318          * @example\r
 319          * var selection = CKEDITOR.instances.editor1.<b>getSelection()</b>;\r
 320          * alert( selection.getType() );\r
 321          */\r
 322         CKEDITOR.editor.prototype.getSelection = function()\r
 323         {\r
 324                 return this.document && this.document.getSelection();\r
 325         };\r
 326 \r
 327         CKEDITOR.editor.prototype.forceNextSelectionCheck = function()\r
 328         {\r
 329                 delete this._.selectionPreviousPath;\r
 330         };\r
 331 \r
 332         /**\r
 333          * Gets the current selection from the document.\r
 334          * @returns {CKEDITOR.dom.selection} A selection object.\r
 335          * @example\r
 336          * var selection = CKEDITOR.instances.editor1.document.<b>getSelection()</b>;\r
 337          * alert( selection.getType() );\r
 338          */\r
 339         CKEDITOR.dom.document.prototype.getSelection = function()\r
 340         {\r
 341                 var sel = new CKEDITOR.dom.selection( this );\r
 342                 return ( !sel || sel.isInvalid ) ? null : sel;\r
 343         };\r
 344 \r
 345         /**\r
 346          * No selection.\r
 347          * @constant\r
 348          * @example\r
 349          * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_NONE )\r
 350          *     alert( 'Nothing is selected' );\r
 351          */\r
 352         CKEDITOR.SELECTION_NONE         = 1;\r
 353 \r
 354         /**\r
 355          * Text or collapsed selection.\r
 356          * @constant\r
 357          * @example\r
 358          * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_TEXT )\r
 359          *     alert( 'Text is selected' );\r
 360          */\r
 361         CKEDITOR.SELECTION_TEXT         = 2;\r
 362 \r
 363         /**\r
 364          * Element selection.\r
 365          * @constant\r
 366          * @example\r
 367          * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_ELEMENT )\r
 368          *     alert( 'An element is selected' );\r
 369          */\r
 370         CKEDITOR.SELECTION_ELEMENT      = 3;\r
 371 \r
 372         /**\r
 373          * Manipulates the selection in a DOM document.\r
 374          * @constructor\r
 375          * @example\r
 376          */\r
 377         CKEDITOR.dom.selection = function( document )\r
 378         {\r
 379                 var lockedSelection = document.getCustomData( 'cke_locked_selection' );\r
 380 \r
 381                 if ( lockedSelection )\r
 382                         return lockedSelection;\r
 383 \r
 384                 this.document = document;\r
 385                 this.isLocked = false;\r
 386                 this._ =\r
 387                 {\r
 388                         cache : {}\r
 389                 };\r
 390 \r
 391                 /**\r
 392                  * IE BUG: The selection's document may be a different document than the\r
 393                  * editor document. Return null if that's the case.\r
 394                  */\r
 395                 if ( CKEDITOR.env.ie )\r
 396                 {\r
 397                         var range = this.getNative().createRange();\r
 398                         if ( !range\r
 399                                 || ( range.item && range.item(0).ownerDocument != this.document.$ )\r
 400                                 || ( range.parentElement && range.parentElement().ownerDocument != this.document.$ ) )\r
 401                         {\r
 402                                 this.isInvalid = true;\r
 403                         }\r
 404                 }\r
 405 \r
 406                 return this;\r
 407         };\r
 408 \r
 409         var styleObjectElements =\r
 410         {\r
 411                 img:1,hr:1,li:1,table:1,tr:1,td:1,th:1,embed:1,object:1,ol:1,ul:1,\r
 412                 a:1, input:1, form:1, select:1, textarea:1, button:1, fieldset:1, th:1, thead:1, tfoot:1\r
 413         };\r
 414 \r
 415         CKEDITOR.dom.selection.prototype =\r
 416         {\r
 417                 /**\r
 418                  * Gets the native selection object from the browser.\r
 419                  * @function\r
 420                  * @returns {Object} The native selection object.\r
 421                  * @example\r
 422                  * var selection = editor.getSelection().<b>getNative()</b>;\r
 423                  */\r
 424                 getNative :\r
 425                         CKEDITOR.env.ie ?\r
 426                                 function()\r
 427                                 {\r
 428                                         return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.$.selection );\r
 429                                 }\r
 430                         :\r
 431                                 function()\r
 432                                 {\r
 433                                         return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.getWindow().$.getSelection() );\r
 434                                 },\r
 435 \r
 436                 /**\r
 437                  * Gets the type of the current selection. The following values are\r
 438                  * available:\r
 439                  * <ul>\r
 440                  *              <li>{@link CKEDITOR.SELECTION_NONE} (1): No selection.</li>\r
 441                  *              <li>{@link CKEDITOR.SELECTION_TEXT} (2): Text is selected or\r
 442                  *                      collapsed selection.</li>\r
 443                  *              <li>{@link CKEDITOR.SELECTION_ELEMENT} (3): A element\r
 444                  *                      selection.</li>\r
 445                  * </ul>\r
 446                  * @function\r
 447                  * @returns {Number} One of the following constant values:\r
 448                  *              {@link CKEDITOR.SELECTION_NONE}, {@link CKEDITOR.SELECTION_TEXT} or\r
 449                  *              {@link CKEDITOR.SELECTION_ELEMENT}.\r
 450                  * @example\r
 451                  * if ( editor.getSelection().<b>getType()</b> == CKEDITOR.SELECTION_TEXT )\r
 452                  *     alert( 'Text is selected' );\r
 453                  */\r
 454                 getType :\r
 455                         CKEDITOR.env.ie ?\r
 456                                 function()\r
 457                                 {\r
 458                                         var cache = this._.cache;\r
 459                                         if ( cache.type )\r
 460                                                 return cache.type;\r
 461 \r
 462                                         var type = CKEDITOR.SELECTION_NONE;\r
 463 \r
 464                                         try\r
 465                                         {\r
 466                                                 var sel = this.getNative(),\r
 467                                                         ieType = sel.type;\r
 468 \r
 469                                                 if ( ieType == 'Text' )\r
 470                                                         type = CKEDITOR.SELECTION_TEXT;\r
 471 \r
 472                                                 if ( ieType == 'Control' )\r
 473                                                         type = CKEDITOR.SELECTION_ELEMENT;\r
 474 \r
 475                                                 // It is possible that we can still get a text range\r
 476                                                 // object even when type == 'None' is returned by IE.\r
 477                                                 // So we'd better check the object returned by\r
 478                                                 // createRange() rather than by looking at the type.\r
 479                                                 if ( sel.createRange().parentElement )\r
 480                                                         type = CKEDITOR.SELECTION_TEXT;\r
 481                                         }\r
 482                                         catch(e) {}\r
 483 \r
 484                                         return ( cache.type = type );\r
 485                                 }\r
 486                         :\r
 487                                 function()\r
 488                                 {\r
 489                                         var cache = this._.cache;\r
 490                                         if ( cache.type )\r
 491                                                 return cache.type;\r
 492 \r
 493                                         var type = CKEDITOR.SELECTION_TEXT;\r
 494 \r
 495                                         var sel = this.getNative();\r
 496 \r
 497                                         if ( !sel )\r
 498                                                 type = CKEDITOR.SELECTION_NONE;\r
 499                                         else if ( sel.rangeCount == 1 )\r
 500                                         {\r
 501                                                 // Check if the actual selection is a control (IMG,\r
 502                                                 // TABLE, HR, etc...).\r
 503 \r
 504                                                 var range = sel.getRangeAt(0),\r
 505                                                         startContainer = range.startContainer;\r
 506 \r
 507                                                 if ( startContainer == range.endContainer\r
 508                                                         && startContainer.nodeType == 1\r
 509                                                         && ( range.endOffset - range.startOffset ) == 1\r
 510                                                         && styleObjectElements[ startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] )\r
 511                                                 {\r
 512                                                         type = CKEDITOR.SELECTION_ELEMENT;\r
 513                                                 }\r
 514                                         }\r
 515 \r
 516                                         return ( cache.type = type );\r
 517                                 },\r
 518 \r
 519                 /**\r
 520                  * Retrieve the {@link CKEDITOR.dom.range} instances that represent the current selection.\r
 521                  * Note: Some browsers returns multiple ranges even on a sequent selection, e.g. Firefox returns\r
 522                  * one range for each table cell when one or more table row is selected.\r
 523                  * @return {Array}\r
 524                  * @example\r
 525                  * var ranges = selection.getRanges();\r
 526                  * alert(ranges.length);\r
 527                  */\r
 528                 getRanges :\r
 529                         CKEDITOR.env.ie ?\r
 530                                 ( function()\r
 531                                 {\r
 532                                         // Finds the container and offset for a specific boundary\r
 533                                         // of an IE range.\r
 534                                         var getBoundaryInformation = function( range, start )\r
 535                                         {\r
 536                                                 // Creates a collapsed range at the requested boundary.\r
 537                                                 range = range.duplicate();\r
 538                                                 range.collapse( start );\r
 539 \r
 540                                                 // Gets the element that encloses the range entirely.\r
 541                                                 var parent = range.parentElement();\r
 542                                                 var siblings = parent.childNodes;\r
 543 \r
 544                                                 var testRange;\r
 545 \r
 546                                                 for ( var i = 0 ; i < siblings.length ; i++ )\r
 547                                                 {\r
 548                                                         var child = siblings[ i ];\r
 549                                                         if ( child.nodeType == 1 )\r
 550                                                         {\r
 551                                                                 testRange = range.duplicate();\r
 552 \r
 553                                                                 testRange.moveToElementText( child );\r
 554 \r
 555                                                                 var comparisonStart = testRange.compareEndPoints( 'StartToStart', range ),\r
 556                                                                         comparisonEnd = testRange.compareEndPoints( 'EndToStart', range );\r
 557 \r
 558                                                                 testRange.collapse();\r
 559 \r
 560                                                                 if ( comparisonStart > 0 )\r
 561                                                                         break;\r
 562                                                                 // When selection stay at the side of certain self-closing elements, e.g. BR,\r
 563                                                                 // our comparison will never shows an equality. (#4824)\r
 564                                                                 else if ( !comparisonStart\r
 565                                                                         || comparisonEnd == 1 && comparisonStart == -1 )\r
 566                                                                         return { container : parent, offset : i };\r
 567                                                                 else if ( !comparisonEnd )\r
 568                                                                         return { container : parent, offset : i + 1 };\r
 569 \r
 570                                                                 testRange = null;\r
 571                                                         }\r
 572                                                 }\r
 573 \r
 574                                                 if ( !testRange )\r
 575                                                 {\r
 576                                                         testRange = range.duplicate();\r
 577                                                         testRange.moveToElementText( parent );\r
 578                                                         testRange.collapse( false );\r
 579                                                 }\r
 580 \r
 581                                                 testRange.setEndPoint( 'StartToStart', range );\r
 582                                                 // IE report line break as CRLF with range.text but\r
 583                                                 // only LF with textnode.nodeValue, normalize them to avoid\r
 584                                                 // breaking character counting logic below. (#3949)\r
 585                                                 var distance = testRange.text.replace( /(\r\n|\r)/g, '\n' ).length;\r
 586 \r
 587                                                 try\r
 588                                                 {\r
 589                                                         while ( distance > 0 )\r
 590                                                                 distance -= siblings[ --i ].nodeValue.length;\r
 591                                                 }\r
 592                                                 // Measurement in IE could be somtimes wrong because of <select> element. (#4611)\r
 593                                                 catch( e )\r
 594                                                 {\r
 595                                                         distance = 0;\r
 596                                                 }\r
 597 \r
 598 \r
 599                                                 if ( distance === 0 )\r
 600                                                 {\r
 601                                                         return {\r
 602                                                                 container : parent,\r
 603                                                                 offset : i\r
 604                                                         };\r
 605                                                 }\r
 606                                                 else\r
 607                                                 {\r
 608                                                         return {\r
 609                                                                 container : siblings[ i ],\r
 610                                                                 offset : -distance\r
 611                                                         };\r
 612                                                 }\r
 613                                         };\r
 614 \r
 615                                         return function()\r
 616                                         {\r
 617                                                 var cache = this._.cache;\r
 618                                                 if ( cache.ranges )\r
 619                                                         return cache.ranges;\r
 620 \r
 621                                                 // IE doesn't have range support (in the W3C way), so we\r
 622                                                 // need to do some magic to transform selections into\r
 623                                                 // CKEDITOR.dom.range instances.\r
 624 \r
 625                                                 var sel = this.getNative(),\r
 626                                                         nativeRange = sel && sel.createRange(),\r
 627                                                         type = this.getType(),\r
 628                                                         range;\r
 629 \r
 630                                                 if ( !sel )\r
 631                                                         return [];\r
 632 \r
 633                                                 if ( type == CKEDITOR.SELECTION_TEXT )\r
 634                                                 {\r
 635                                                         range = new CKEDITOR.dom.range( this.document );\r
 636 \r
 637                                                         var boundaryInfo = getBoundaryInformation( nativeRange, true );\r
 638                                                         range.setStart( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );\r
 639 \r
 640                                                         boundaryInfo = getBoundaryInformation( nativeRange );\r
 641                                                         range.setEnd( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );\r
 642 \r
 643                                                         return ( cache.ranges = [ range ] );\r
 644                                                 }\r
 645                                                 else if ( type == CKEDITOR.SELECTION_ELEMENT )\r
 646                                                 {\r
 647                                                         var retval = this._.cache.ranges = [];\r
 648 \r
 649                                                         for ( var i = 0 ; i < nativeRange.length ; i++ )\r
 650                                                         {\r
 651                                                                 var element = nativeRange.item( i ),\r
 652                                                                         parentElement = element.parentNode,\r
 653                                                                         j = 0;\r
 654 \r
 655                                                                 range = new CKEDITOR.dom.range( this.document );\r
 656 \r
 657                                                                 for (; j < parentElement.childNodes.length && parentElement.childNodes[j] != element ; j++ )\r
 658                                                                 { /*jsl:pass*/ }\r
 659 \r
 660                                                                 range.setStart( new CKEDITOR.dom.node( parentElement ), j );\r
 661                                                                 range.setEnd( new CKEDITOR.dom.node( parentElement ), j + 1 );\r
 662                                                                 retval.push( range );\r
 663                                                         }\r
 664 \r
 665                                                         return retval;\r
 666                                                 }\r
 667 \r
 668                                                 return ( cache.ranges = [] );\r
 669                                         };\r
 670                                 })()\r
 671                         :\r
 672                                 function()\r
 673                                 {\r
 674                                         var cache = this._.cache;\r
 675                                         if ( cache.ranges )\r
 676                                                 return cache.ranges;\r
 677 \r
 678                                         // On browsers implementing the W3C range, we simply\r
 679                                         // tranform the native ranges in CKEDITOR.dom.range\r
 680                                         // instances.\r
 681 \r
 682                                         var ranges = [];\r
 683                                         var sel = this.getNative();\r
 684 \r
 685                                         if ( !sel )\r
 686                                                 return [];\r
 687 \r
 688                                         for ( var i = 0 ; i < sel.rangeCount ; i++ )\r
 689                                         {\r
 690                                                 var nativeRange = sel.getRangeAt( i );\r
 691                                                 var range = new CKEDITOR.dom.range( this.document );\r
 692 \r
 693                                                 range.setStart( new CKEDITOR.dom.node( nativeRange.startContainer ), nativeRange.startOffset );\r
 694                                                 range.setEnd( new CKEDITOR.dom.node( nativeRange.endContainer ), nativeRange.endOffset );\r
 695                                                 ranges.push( range );\r
 696                                         }\r
 697 \r
 698                                         return ( cache.ranges = ranges );\r
 699                                 },\r
 700 \r
 701                 /**\r
 702                  * Gets the DOM element in which the selection starts.\r
 703                  * @returns {CKEDITOR.dom.element} The element at the beginning of the\r
 704                  *              selection.\r
 705                  * @example\r
 706                  * var element = editor.getSelection().<b>getStartElement()</b>;\r
 707                  * alert( element.getName() );\r
 708                  */\r
 709                 getStartElement : function()\r
 710                 {\r
 711                         var cache = this._.cache;\r
 712                         if ( cache.startElement !== undefined )\r
 713                                 return cache.startElement;\r
 714 \r
 715                         var node,\r
 716                                 sel = this.getNative();\r
 717 \r
 718                         switch ( this.getType() )\r
 719                         {\r
 720                                 case CKEDITOR.SELECTION_ELEMENT :\r
 721                                         return this.getSelectedElement();\r
 722 \r
 723                                 case CKEDITOR.SELECTION_TEXT :\r
 724 \r
 725                                         var range = this.getRanges()[0];\r
 726 \r
 727                                         if ( range )\r
 728                                         {\r
 729                                                 if ( !range.collapsed )\r
 730                                                 {\r
 731                                                         range.optimize();\r
 732 \r
 733                                                         // Decrease the range content to exclude particial\r
 734                                                         // selected node on the start which doesn't have\r
 735                                                         // visual impact. ( #3231 )\r
 736                                                         while ( true )\r
 737                                                         {\r
 738                                                                 var startContainer = range.startContainer,\r
 739                                                                         startOffset = range.startOffset;\r
 740                                                                 // Limit the fix only to non-block elements.(#3950)\r
 741                                                                 if ( startOffset == ( startContainer.getChildCount ?\r
 742                                                                          startContainer.getChildCount() : startContainer.getLength() )\r
 743                                                                          && !startContainer.isBlockBoundary() )\r
 744                                                                         range.setStartAfter( startContainer );\r
 745                                                                 else break;\r
 746                                                         }\r
 747 \r
 748                                                         node = range.startContainer;\r
 749 \r
 750                                                         if ( node.type != CKEDITOR.NODE_ELEMENT )\r
 751                                                                 return node.getParent();\r
 752 \r
 753                                                         node = node.getChild( range.startOffset );\r
 754 \r
 755                                                         if ( !node || node.type != CKEDITOR.NODE_ELEMENT )\r
 756                                                                 return range.startContainer;\r
 757 \r
 758                                                         var child = node.getFirst();\r
 759                                                         while (  child && child.type == CKEDITOR.NODE_ELEMENT )\r
 760                                                         {\r
 761                                                                 node = child;\r
 762                                                                 child = child.getFirst();\r
 763                                                         }\r
 764 \r
 765                                                         return node;\r
 766                                                 }\r
 767                                         }\r
 768 \r
 769                                         if ( CKEDITOR.env.ie )\r
 770                                         {\r
 771                                                 range = sel.createRange();\r
 772                                                 range.collapse( true );\r
 773 \r
 774                                                 node = range.parentElement();\r
 775                                         }\r
 776                                         else\r
 777                                         {\r
 778                                                 node = sel.anchorNode;\r
 779 \r
 780                                                 if ( node && node.nodeType != 1 )\r
 781                                                         node = node.parentNode;\r
 782                                         }\r
 783                         }\r
 784 \r
 785                         return cache.startElement = ( node ? new CKEDITOR.dom.element( node ) : null );\r
 786                 },\r
 787 \r
 788                 /**\r
 789                  * Gets the current selected element.\r
 790                  * @returns {CKEDITOR.dom.element} The selected element. Null if no\r
 791                  *              selection is available or the selection type is not\r
 792                  *              {@link CKEDITOR.SELECTION_ELEMENT}.\r
 793                  * @example\r
 794                  * var element = editor.getSelection().<b>getSelectedElement()</b>;\r
 795                  * alert( element.getName() );\r
 796                  */\r
 797                 getSelectedElement : function()\r
 798                 {\r
 799                         var cache = this._.cache;\r
 800                         if ( cache.selectedElement !== undefined )\r
 801                                 return cache.selectedElement;\r
 802 \r
 803                         var self = this;\r
 804 \r
 805                         var node = CKEDITOR.tools.tryThese(\r
 806                                 // Is it native IE control type selection?\r
 807                                 function()\r
 808                                 {\r
 809                                         return self.getNative().createRange().item( 0 );\r
 810                                 },\r
 811                                 // Figure it out by checking if there's a single enclosed\r
 812                                 // node of the range.\r
 813                                 function()\r
 814                                 {\r
 815                                         var range  = self.getRanges()[ 0 ],\r
 816                                                 enclosed,\r
 817                                                 selected;\r
 818 \r
 819                                         // Check first any enclosed element, e.g. <ul>[<li><a href="#">item</a></li>]</ul>\r
 820                                         for ( var i = 2; i && !( ( enclosed = range.getEnclosedNode() )\r
 821                                                 && ( enclosed.type == CKEDITOR.NODE_ELEMENT )\r
 822                                                 && styleObjectElements[ enclosed.getName() ]\r
 823                                                 && ( selected = enclosed ) ); i-- )\r
 824                                         {\r
 825                                                 // Then check any deep wrapped element, e.g. [<b><i><img /></i></b>]\r
 826                                                 range.shrink( CKEDITOR.SHRINK_ELEMENT );\r
 827                                         }\r
 828 \r
 829                                         return  selected.$;\r
 830                                 });\r
 831 \r
 832                         return cache.selectedElement = ( node ? new CKEDITOR.dom.element( node ) : null );\r
 833                 },\r
 834 \r
 835                 lock : function()\r
 836                 {\r
 837                         // Call all cacheable function.\r
 838                         this.getRanges();\r
 839                         this.getStartElement();\r
 840                         this.getSelectedElement();\r
 841 \r
 842                         // The native selection is not available when locked.\r
 843                         this._.cache.nativeSel = {};\r
 844 \r
 845                         this.isLocked = true;\r
 846 \r
 847                         // Save this selection inside the DOM document.\r
 848                         this.document.setCustomData( 'cke_locked_selection', this );\r
 849                 },\r
 850 \r
 851                 unlock : function( restore )\r
 852                 {\r
 853                         var doc = this.document,\r
 854                                 lockedSelection = doc.getCustomData( 'cke_locked_selection' );\r
 855 \r
 856                         if ( lockedSelection )\r
 857                         {\r
 858                                 doc.setCustomData( 'cke_locked_selection', null );\r
 859 \r
 860                                 if ( restore )\r
 861                                 {\r
 862                                         var selectedElement = lockedSelection.getSelectedElement(),\r
 863                                                 ranges = !selectedElement && lockedSelection.getRanges();\r
 864 \r
 865                                         this.isLocked = false;\r
 866                                         this.reset();\r
 867 \r
 868                                         doc.getBody().focus();\r
 869 \r
 870                                         if ( selectedElement )\r
 871                                                 this.selectElement( selectedElement );\r
 872                                         else\r
 873                                                 this.selectRanges( ranges );\r
 874                                 }\r
 875                         }\r
 876 \r
 877                         if  ( !lockedSelection || !restore )\r
 878                         {\r
 879                                 this.isLocked = false;\r
 880                                 this.reset();\r
 881                         }\r
 882                 },\r
 883 \r
 884                 reset : function()\r
 885                 {\r
 886                         this._.cache = {};\r
 887                 },\r
 888 \r
 889                 /**\r
 890                  *  Make the current selection of type {@link CKEDITOR.SELECTION_ELEMENT} by enclosing the specified element.\r
 891                  * @param element\r
 892                  */\r
 893                 selectElement : function( element )\r
 894                 {\r
 895                         if ( this.isLocked )\r
 896                         {\r
 897                                 var range = new CKEDITOR.dom.range( this.document );\r
 898                                 range.setStartBefore( element );\r
 899                                 range.setEndAfter( element );\r
 900 \r
 901                                 this._.cache.selectedElement = element;\r
 902                                 this._.cache.startElement = element;\r
 903                                 this._.cache.ranges = [ range ];\r
 904                                 this._.cache.type = CKEDITOR.SELECTION_ELEMENT;\r
 905 \r
 906                                 return;\r
 907                         }\r
 908 \r
 909                         if ( CKEDITOR.env.ie )\r
 910                         {\r
 911                                 this.getNative().empty();\r
 912 \r
 913                                 try\r
 914                                 {\r
 915                                         // Try to select the node as a control.\r
 916                                         range = this.document.$.body.createControlRange();\r
 917                                         range.addElement( element.$ );\r
 918                                         range.select();\r
 919                                 }\r
 920                                 catch(e)\r
 921                                 {\r
 922                                         // If failed, select it as a text range.\r
 923                                         range = this.document.$.body.createTextRange();\r
 924                                         range.moveToElementText( element.$ );\r
 925                                         range.select();\r
 926                                 }\r
 927                                 finally\r
 928                                 {\r
 929                                         this.document.fire( 'selectionchange' );\r
 930                                 }\r
 931 \r
 932                                 this.reset();\r
 933                         }\r
 934                         else\r
 935                         {\r
 936                                 // Create the range for the element.\r
 937                                 range = this.document.$.createRange();\r
 938                                 range.selectNode( element.$ );\r
 939 \r
 940                                 // Select the range.\r
 941                                 var sel = this.getNative();\r
 942                                 sel.removeAllRanges();\r
 943                                 sel.addRange( range );\r
 944 \r
 945                                 this.reset();\r
 946                         }\r
 947                 },\r
 948 \r
 949                 /**\r
 950                  *  Adding the specified ranges to document selection preceding\r
 951                  * by clearing up the original selection.\r
 952                  * @param {CKEDITOR.dom.range} ranges\r
 953                  */\r
 954                 selectRanges : function( ranges )\r
 955                 {\r
 956                         if ( this.isLocked )\r
 957                         {\r
 958                                 this._.cache.selectedElement = null;\r
 959                                 this._.cache.startElement = ranges[ 0 ].getTouchedStartNode();\r
 960                                 this._.cache.ranges = ranges;\r
 961                                 this._.cache.type = CKEDITOR.SELECTION_TEXT;\r
 962 \r
 963                                 return;\r
 964                         }\r
 965 \r
 966                         if ( CKEDITOR.env.ie )\r
 967                         {\r
 968                                 // IE doesn't accept multiple ranges selection, so we just\r
 969                                 // select the first one.\r
 970                                 if ( ranges[ 0 ] )\r
 971                                         ranges[ 0 ].select();\r
 972 \r
 973                                 this.reset();\r
 974                         }\r
 975                         else\r
 976                         {\r
 977                                 var sel = this.getNative();\r
 978                                 sel.removeAllRanges();\r
 979 \r
 980                                 for ( var i = 0 ; i < ranges.length ; i++ )\r
 981                                 {\r
 982                                         var range = ranges[ i ];\r
 983                                         var nativeRange = this.document.$.createRange();\r
 984                                         var startContainer = range.startContainer;\r
 985 \r
 986                                         // In FF2, if we have a collapsed range, inside an empty\r
 987                                         // element, we must add something to it otherwise the caret\r
 988                                         // will not be visible.\r
 989                                         if ( range.collapsed &&\r
 990                                                 ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) &&\r
 991                                                 startContainer.type == CKEDITOR.NODE_ELEMENT &&\r
 992                                                 !startContainer.getChildCount() )\r
 993                                         {\r
 994                                                 startContainer.appendText( '' );\r
 995                                         }\r
 996 \r
 997                                         nativeRange.setStart( startContainer.$, range.startOffset );\r
 998                                         nativeRange.setEnd( range.endContainer.$, range.endOffset );\r
 999 \r
1000                                         // Select the range.\r
1001                                         sel.addRange( nativeRange );\r
1002                                 }\r
1003 \r
1004                                 this.reset();\r
1005                         }\r
1006                 },\r
1007 \r
1008                 /**\r
1009                  *  Create bookmark for every single of this selection range (from #getRanges)\r
1010                  * by calling the {@link CKEDITOR.dom.range.prototype.createBookmark} method,\r
1011                  * with extra cares to avoid interferon among those ranges. Same arguments are\r
1012                  * received as with the underlay range method.\r
1013                  */\r
1014                 createBookmarks : function( serializable )\r
1015                 {\r
1016                         var retval = [],\r
1017                                 ranges = this.getRanges(),\r
1018                                 length = ranges.length,\r
1019                                 bookmark;\r
1020                         for ( var i = 0; i < length ; i++ )\r
1021                         {\r
1022                             retval.push( bookmark = ranges[ i ].createBookmark( serializable, true ) );\r
1023 \r
1024                                 serializable = bookmark.serializable;\r
1025 \r
1026                                 var bookmarkStart = serializable ? this.document.getById( bookmark.startNode ) : bookmark.startNode,\r
1027                                         bookmarkEnd = serializable ? this.document.getById( bookmark.endNode ) : bookmark.endNode;\r
1028 \r
1029                             // Updating the offset values for rest of ranges which have been mangled(#3256).\r
1030                             for ( var j = i + 1 ; j < length ; j++ )\r
1031                             {\r
1032                                 var dirtyRange = ranges[ j ],\r
1033                                        rangeStart = dirtyRange.startContainer,\r
1034                                        rangeEnd = dirtyRange.endContainer;\r
1035 \r
1036                                rangeStart.equals( bookmarkStart.getParent() ) && dirtyRange.startOffset++;\r
1037                                rangeStart.equals( bookmarkEnd.getParent() ) && dirtyRange.startOffset++;\r
1038                                rangeEnd.equals( bookmarkStart.getParent() ) && dirtyRange.endOffset++;\r
1039                                rangeEnd.equals( bookmarkEnd.getParent() ) && dirtyRange.endOffset++;\r
1040                             }\r
1041                         }\r
1042 \r
1043                         return retval;\r
1044                 },\r
1045 \r
1046                 /**\r
1047                  *  Create bookmark for every single of this selection range (from #getRanges)\r
1048                  * by calling the {@link CKEDITOR.dom.range.prototype.createBookmark2} method,\r
1049                  * with extra cares to avoid interferon among those ranges. Same arguments are\r
1050                  * received as with the underlay range method.\r
1051                  */\r
1052                 createBookmarks2 : function( normalized )\r
1053                 {\r
1054                         var bookmarks = [],\r
1055                                 ranges = this.getRanges();\r
1056 \r
1057                         for ( var i = 0 ; i < ranges.length ; i++ )\r
1058                                 bookmarks.push( ranges[i].createBookmark2( normalized ) );\r
1059 \r
1060                         return bookmarks;\r
1061                 },\r
1062 \r
1063                 /**\r
1064                  * Select the virtual ranges denote by the bookmarks by calling #selectRanges.\r
1065                  * @param bookmarks\r
1066                  */\r
1067                 selectBookmarks : function( bookmarks )\r
1068                 {\r
1069                         var ranges = [];\r
1070                         for ( var i = 0 ; i < bookmarks.length ; i++ )\r
1071                         {\r
1072                                 var range = new CKEDITOR.dom.range( this.document );\r
1073                                 range.moveToBookmark( bookmarks[i] );\r
1074                                 ranges.push( range );\r
1075                         }\r
1076                         this.selectRanges( ranges );\r
1077                         return this;\r
1078                 },\r
1079 \r
1080                 /**\r
1081                  * Retrieve the common ancestor node of the first range and the last range.\r
1082                  */\r
1083                 getCommonAncestor : function()\r
1084                 {\r
1085                         var ranges = this.getRanges(),\r
1086                                 startNode = ranges[ 0 ].startContainer,\r
1087                                 endNode = ranges[ ranges.length - 1 ].endContainer;\r
1088                         return startNode.getCommonAncestor( endNode );\r
1089                 },\r
1090 \r
1091                 /**\r
1092                  * Moving scroll bar to the current selection's start position.\r
1093                  */\r
1094                 scrollIntoView : function()\r
1095                 {\r
1096                         // If we have split the block, adds a temporary span at the\r
1097                         // range position and scroll relatively to it.\r
1098                         var start = this.getStartElement();\r
1099                         start.scrollIntoView();\r
1100                 }\r
1101         };\r
1102 })();\r
1103 \r
1104 ( function()\r
1105 {\r
1106         var notWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),\r
1107                         fillerTextRegex = /\ufeff|\u00a0/,\r
1108                         nonCells = { table:1,tbody:1,tr:1 };\r
1109 \r
1110         CKEDITOR.dom.range.prototype.select =\r
1111                 CKEDITOR.env.ie ?\r
1112                         // V2\r
1113                         function( forceExpand )\r
1114                         {\r
1115                                 var collapsed = this.collapsed;\r
1116                                 var isStartMarkerAlone;\r
1117                                 var dummySpan;\r
1118 \r
1119                                 // IE doesn't support selecting the entire table row/cell, move the selection into cells, e.g.\r
1120                                 // <table><tbody><tr>[<td>cell</b></td>... => <table><tbody><tr><td>[cell</td>...\r
1121                                 if ( this.startContainer.type == CKEDITOR.NODE_ELEMENT && this.startContainer.getName() in nonCells\r
1122                                         || this.endContainer.type == CKEDITOR.NODE_ELEMENT && this.endContainer.getName() in nonCells )\r
1123                                 {\r
1124                                         this.shrink( CKEDITOR.NODE_ELEMENT, true );\r
1125                                 }\r
1126 \r
1127                                 var bookmark = this.createBookmark();\r
1128 \r
1129                                 // Create marker tags for the start and end boundaries.\r
1130                                 var startNode = bookmark.startNode;\r
1131 \r
1132                                 var endNode;\r
1133                                 if ( !collapsed )\r
1134                                         endNode = bookmark.endNode;\r
1135 \r
1136                                 // Create the main range which will be used for the selection.\r
1137                                 var ieRange = this.document.$.body.createTextRange();\r
1138 \r
1139                                 // Position the range at the start boundary.\r
1140                                 ieRange.moveToElementText( startNode.$ );\r
1141                                 ieRange.moveStart( 'character', 1 );\r
1142 \r
1143                                 if ( endNode )\r
1144                                 {\r
1145                                         // Create a tool range for the end.\r
1146                                         var ieRangeEnd = this.document.$.body.createTextRange();\r
1147 \r
1148                                         // Position the tool range at the end.\r
1149                                         ieRangeEnd.moveToElementText( endNode.$ );\r
1150 \r
1151                                         // Move the end boundary of the main range to match the tool range.\r
1152                                         ieRange.setEndPoint( 'EndToEnd', ieRangeEnd );\r
1153                                         ieRange.moveEnd( 'character', -1 );\r
1154                                 }\r
1155                                 else\r
1156                                 {\r
1157                                         // The isStartMarkerAlone logic comes from V2. It guarantees that the lines\r
1158                                         // will expand and that the cursor will be blinking on the right place.\r
1159                                         // Actually, we are using this flag just to avoid using this hack in all\r
1160                                         // situations, but just on those needed.\r
1161                                         var next = startNode.getNext( notWhitespaces );\r
1162                                         isStartMarkerAlone = ( !( next && next.getText && next.getText().match( fillerTextRegex ) )     // already a filler there?\r
1163                                                                                   && ( forceExpand || !startNode.hasPrevious() || ( startNode.getPrevious().is && startNode.getPrevious().is( 'br' ) ) ) );\r
1164 \r
1165                                         // Append a temporary <span>&#65279;</span> before the selection.\r
1166                                         // This is needed to avoid IE destroying selections inside empty\r
1167                                         // inline elements, like <b></b> (#253).\r
1168                                         // It is also needed when placing the selection right after an inline\r
1169                                         // element to avoid the selection moving inside of it.\r
1170                                         dummySpan = this.document.createElement( 'span' );\r
1171                                         dummySpan.setHtml( '&#65279;' );        // Zero Width No-Break Space (U+FEFF). See #1359.\r
1172                                         dummySpan.insertBefore( startNode );\r
1173 \r
1174                                         if ( isStartMarkerAlone )\r
1175                                         {\r
1176                                                 // To expand empty blocks or line spaces after <br>, we need\r
1177                                                 // instead to have any char, which will be later deleted using the\r
1178                                                 // selection.\r
1179                                                 // \ufeff = Zero Width No-Break Space (U+FEFF). (#1359)\r
1180                                                 this.document.createText( '\ufeff' ).insertBefore( startNode );\r
1181                                         }\r
1182                                 }\r
1183 \r
1184                                 // Remove the markers (reset the position, because of the changes in the DOM tree).\r
1185                                 this.setStartBefore( startNode );\r
1186                                 startNode.remove();\r
1187 \r
1188                                 if ( collapsed )\r
1189                                 {\r
1190                                         if ( isStartMarkerAlone )\r
1191                                         {\r
1192                                                 // Move the selection start to include the temporary \ufeff.\r
1193                                                 ieRange.moveStart( 'character', -1 );\r
1194 \r
1195                                                 ieRange.select();\r
1196 \r
1197                                                 // Remove our temporary stuff.\r
1198                                                 this.document.$.selection.clear();\r
1199                                         }\r
1200                                         else\r
1201                                                 ieRange.select();\r
1202 \r
1203                                         this.moveToPosition( dummySpan, CKEDITOR.POSITION_BEFORE_START );\r
1204                                         dummySpan.remove();\r
1205                                 }\r
1206                                 else\r
1207                                 {\r
1208                                         this.setEndBefore( endNode );\r
1209                                         endNode.remove();\r
1210                                         ieRange.select();\r
1211                                 }\r
1212 \r
1213                                 this.document.fire( 'selectionchange' );\r
1214                         }\r
1215                 :\r
1216                         function()\r
1217                         {\r
1218                                 var startContainer = this.startContainer;\r
1219 \r
1220                                 // If we have a collapsed range, inside an empty element, we must add\r
1221                                 // something to it, otherwise the caret will not be visible.\r
1222                                 if ( this.collapsed && startContainer.type == CKEDITOR.NODE_ELEMENT && !startContainer.getChildCount() )\r
1223                                         startContainer.append( new CKEDITOR.dom.text( '' ) );\r
1224 \r
1225                                 var nativeRange = this.document.$.createRange();\r
1226                                 nativeRange.setStart( startContainer.$, this.startOffset );\r
1227 \r
1228                                 try\r
1229                                 {\r
1230                                         nativeRange.setEnd( this.endContainer.$, this.endOffset );\r
1231                                 }\r
1232                                 catch ( e )\r
1233                                 {\r
1234                                         // There is a bug in Firefox implementation (it would be too easy\r
1235                                         // otherwise). The new start can't be after the end (W3C says it can).\r
1236                                         // So, let's create a new range and collapse it to the desired point.\r
1237                                         if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 )\r
1238                                         {\r
1239                                                 this.collapse( true );\r
1240                                                 nativeRange.setEnd( this.endContainer.$, this.endOffset );\r
1241                                         }\r
1242                                         else\r
1243                                                 throw( e );\r
1244                                 }\r
1245 \r
1246                                 var selection = this.document.getSelection().getNative();\r
1247                                 selection.removeAllRanges();\r
1248                                 selection.addRange( nativeRange );\r
1249                         };\r
1250 } )();\r