[Sommaire] [Imprimer]

   1  /*
   2   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   3   * Copyright (C) 2003-2007 Frederico Caldeira Knabben
   4   * 
   5   * == BEGIN LICENSE ==
   6   * 
   7   * Licensed under the terms of any of the following licenses at your
   8   * choice:
   9   * 
  10   *  - GNU General Public License Version 2 or later (the "GPL")
  11   *    http://www.gnu.org/licenses/gpl.html
  12   * 
  13   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
  14   *    http://www.gnu.org/licenses/lgpl.html
  15   * 
  16   *  - Mozilla Public License Version 1.1 or later (the "MPL")
  17   *    http://www.mozilla.org/MPL/MPL-1.1.html
  18   * 
  19   * == END LICENSE ==
  20   * 
  21   * File Name: fckdomrange_gecko.js
  22   *     Class for working with a selection range, much like the W3C DOM Range, but
  23   *     it is not intented to be an implementation of the W3C interface.
  24   *     (Gecko Implementation)
  25   * 
  26   * File Authors:
  27   *         Frederico Caldeira Knabben (www.fckeditor.net)
  28   */
  29  
  30  FCKDomRange.prototype.MoveToSelection = function()
  31  {
  32      this.Release( true ) ;
  33  
  34      var oSel = this.Window.getSelection() ;
  35      
  36      if ( oSel.rangeCount == 1 )
  37      {
  38          this._Range = FCKW3CRange.CreateFromRange( this.Window.document, oSel.getRangeAt(0) ) ;
  39          this._UpdateElementInfo() ;
  40      }
  41  }
  42  
  43  FCKDomRange.prototype.Select = function()
  44  {
  45      var oRange = this._Range ;
  46      if ( oRange )
  47      {
  48          var oDocRange = this.Window.document.createRange() ;
  49          oDocRange.setStart( oRange.startContainer, oRange.startOffset ) ;
  50          
  51          try
  52          {
  53              oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ;
  54          }
  55          catch ( e )
  56          {
  57              // There is a bug in Firefox implementation (it would be too easy
  58              // otherwhise). The new start can't be after the end (W3C says it can).
  59              // So, let's create a new range and collapse it to the desired point.
  60              if ( e.toString().Contains( 'NS_ERROR_ILLEGAL_VALUE' ) )
  61              {
  62                  oRange.collapse( true ) ;
  63                  oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ;
  64              }
  65              else
  66                  throw( e ) ;
  67          }
  68  
  69          var oSel = this.Window.getSelection() ;
  70          oSel.removeAllRanges() ;
  71          
  72          // We must add a clone otherwise Firefox will have rendering issues.
  73          oSel.addRange( oDocRange ) ;
  74      }
  75  }