[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: fckplugin.js
  22   *     Plugin to insert "Placeholders" in the editor.
  23   * 
  24   * File Authors:
  25   *         Frederico Caldeira Knabben (www.fckeditor.net)
  26   */
  27  
  28  // Register the related command.
  29  FCKCommands.RegisterCommand( 'Placeholder', new FCKDialogCommand( 'Placeholder', FCKLang.PlaceholderDlgTitle, FCKPlugins.Items['placeholder'].Path + 'fck_placeholder.html', 340, 170 ) ) ;
  30  
  31  // Create the "Plaholder" toolbar button.
  32  var oPlaceholderItem = new FCKToolbarButton( 'Placeholder', FCKLang.PlaceholderBtn ) ;
  33  oPlaceholderItem.IconPath = FCKPlugins.Items['placeholder'].Path + 'placeholder.gif' ;
  34  
  35  FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ;
  36  
  37  
  38  // The object used for all Placeholder operations.
  39  var FCKPlaceholders = new Object() ;
  40  
  41  // Add a new placeholder at the actual selection.
  42  FCKPlaceholders.Add = function( name )
  43  {
  44      var oSpan = FCK.CreateElement( 'SPAN' ) ;
  45      this.SetupSpan( oSpan, name ) ;
  46  }
  47  
  48  FCKPlaceholders.SetupSpan = function( span, name )
  49  {
  50      span.innerHTML = '[[ ' + name + ' ]]' ;
  51  
  52      span.style.backgroundColor = '#ffff00' ;
  53      span.style.color = '#000000' ;
  54  
  55      if ( FCKBrowserInfo.IsGecko )
  56          span.style.cursor = 'default' ;
  57  
  58      span._fckplaceholder = name ;
  59      span.contentEditable = false ;
  60  
  61      // To avoid it to be resized.
  62      span.onresizestart = function()
  63      {
  64          FCK.EditorWindow.event.returnValue = false ;
  65          return false ;
  66      }
  67  }
  68  
  69  // On Gecko we must do this trick so the user select all the SPAN when clicking on it.
  70  FCKPlaceholders._SetupClickListener = function()
  71  {
  72      FCKPlaceholders._ClickListener = function( e )
  73      {
  74          if ( e.target.tagName == 'SPAN' && e.target._fckplaceholder )
  75              FCKSelection.SelectNode( e.target ) ;
  76      }
  77  
  78      FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ;
  79  }
  80  
  81  // Open the Placeholder dialog on double click.
  82  FCKPlaceholders.OnDoubleClick = function( span )
  83  {
  84      if ( span.tagName == 'SPAN' && span._fckplaceholder )
  85          FCKCommands.GetCommand( 'Placeholder' ).Execute() ;
  86  }
  87  
  88  FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ;
  89  
  90  // Check if a Placholder name is already in use.
  91  FCKPlaceholders.Exist = function( name )
  92  {
  93      var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' ) ;
  94  
  95      for ( var i = 0 ; i < aSpans.length ; i++ )
  96      {
  97          if ( aSpans[i]._fckplaceholder == name )
  98              return true ;
  99      }
 100  
 101      return false ;
 102  }
 103  
 104  if ( FCKBrowserInfo.IsIE )
 105  {
 106      FCKPlaceholders.Redraw = function()
 107      {
 108          if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
 109              return ;
 110      
 111          var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ;
 112          if ( !aPlaholders )
 113              return ;
 114  
 115          var oRange = FCK.EditorDocument.body.createTextRange() ;
 116  
 117          for ( var i = 0 ; i < aPlaholders.length ; i++ )
 118          {
 119              if ( oRange.findText( aPlaholders[i] ) )
 120              {
 121                  var sName = aPlaholders[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
 122                  oRange.pasteHTML( '<span style="color: #000000; background-color: #ffff00" contenteditable="false" _fckplaceholder="' + sName + '">' + aPlaholders[i] + '</span>' ) ;
 123              }
 124          }
 125      }
 126  }
 127  else
 128  {
 129      FCKPlaceholders.Redraw = function()
 130      {
 131          if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
 132              return ;
 133      
 134          var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ;
 135  
 136          var    aNodes = new Array() ;
 137  
 138          while ( ( oNode = oInteractor.nextNode() ) )
 139          {
 140              aNodes[ aNodes.length ] = oNode ;
 141          }
 142  
 143          for ( var n = 0 ; n < aNodes.length ; n++ )
 144          {
 145              var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ;
 146  
 147              for ( var i = 0 ; i < aPieces.length ; i++ )
 148              {
 149                  if ( aPieces[i].length > 0 )
 150                  {
 151                      if ( aPieces[i].indexOf( '[[' ) == 0 )
 152                      {
 153                          var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
 154  
 155                          var oSpan = FCK.EditorDocument.createElement( 'span' ) ;
 156                          FCKPlaceholders.SetupSpan( oSpan, sName ) ;
 157  
 158                          aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ;
 159                      }
 160                      else
 161                          aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ;
 162                  }
 163              }
 164  
 165              aNodes[n].parentNode.removeChild( aNodes[n] ) ;
 166          }
 167          
 168          FCKPlaceholders._SetupClickListener() ;
 169      }
 170  
 171      FCKPlaceholders._AcceptNode = function( node )
 172      {
 173          if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) )
 174              return NodeFilter.FILTER_ACCEPT ;
 175          else
 176              return NodeFilter.FILTER_SKIP ;
 177      }
 178  }
 179  
 180  FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ;
 181  
 182  // We must process the SPAN tags to replace then with the real resulting value of the placeholder.
 183  FCKXHtml.TagProcessors['span'] = function( node, htmlNode )
 184  {
 185      if ( htmlNode._fckplaceholder )
 186          node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ;
 187      else
 188          FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
 189  
 190      return node ;
 191  }