[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   * Plugin to insert "Placeholders" in the editor.

  22   */
  23  
  24  // Register the related command.

  25  FCKCommands.RegisterCommand( 'Placeholder', new FCKDialogCommand( 'Placeholder', FCKLang.PlaceholderDlgTitle, FCKPlugins.Items['placeholder'].Path + 'fck_placeholder.html', 340, 170 ) ) ;
  26  
  27  // Create the "Plaholder" toolbar button.

  28  var oPlaceholderItem = new FCKToolbarButton( 'Placeholder', FCKLang.PlaceholderBtn ) ;
  29  oPlaceholderItem.IconPath = FCKPlugins.Items['placeholder'].Path + 'placeholder.gif' ;
  30  
  31  FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ;
  32  
  33  
  34  // The object used for all Placeholder operations.

  35  var FCKPlaceholders = new Object() ;
  36  
  37  // Add a new placeholder at the actual selection.

  38  FCKPlaceholders.Add = function( name )
  39  {
  40      var oSpan = FCK.CreateElement( 'SPAN' ) ;
  41      this.SetupSpan( oSpan, name ) ;
  42  }
  43  
  44  FCKPlaceholders.SetupSpan = function( span, name )
  45  {
  46      span.innerHTML = '[[ ' + name + ' ]]' ;
  47  
  48      span.style.backgroundColor = '#ffff00' ;
  49      span.style.color = '#000000' ;
  50  
  51      if ( FCKBrowserInfo.IsGecko )
  52          span.style.cursor = 'default' ;
  53  
  54      span._fckplaceholder = name ;
  55      span.contentEditable = false ;
  56  
  57      // To avoid it to be resized.

  58      span.onresizestart = function()
  59      {
  60          FCK.EditorWindow.event.returnValue = false ;
  61          return false ;
  62      }
  63  }
  64  
  65  // On Gecko we must do this trick so the user select all the SPAN when clicking on it.

  66  FCKPlaceholders._SetupClickListener = function()
  67  {
  68      FCKPlaceholders._ClickListener = function( e )
  69      {
  70          if ( e.target.tagName == 'SPAN' && e.target._fckplaceholder )
  71              FCKSelection.SelectNode( e.target ) ;
  72      }
  73  
  74      FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ;
  75  }
  76  
  77  // Open the Placeholder dialog on double click.

  78  FCKPlaceholders.OnDoubleClick = function( span )
  79  {
  80      if ( span.tagName == 'SPAN' && span._fckplaceholder )
  81          FCKCommands.GetCommand( 'Placeholder' ).Execute() ;
  82  }
  83  
  84  FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ;
  85  
  86  // Check if a Placholder name is already in use.

  87  FCKPlaceholders.Exist = function( name )
  88  {
  89      var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' ) ;
  90  
  91      for ( var i = 0 ; i < aSpans.length ; i++ )
  92      {
  93          if ( aSpans[i]._fckplaceholder == name )
  94              return true ;
  95      }
  96  
  97      return false ;
  98  }
  99  
 100  if ( FCKBrowserInfo.IsIE )
 101  {
 102      FCKPlaceholders.Redraw = function()
 103      {
 104          if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
 105              return ;
 106  
 107          var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ;
 108          if ( !aPlaholders )
 109              return ;
 110  
 111          var oRange = FCK.EditorDocument.body.createTextRange() ;
 112  
 113          for ( var i = 0 ; i < aPlaholders.length ; i++ )
 114          {
 115              if ( oRange.findText( aPlaholders[i] ) )
 116              {
 117                  var sName = aPlaholders[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
 118                  oRange.pasteHTML( '<span style="color: #000000; background-color: #ffff00" contenteditable="false" _fckplaceholder="' + sName + '">' + aPlaholders[i] + '</span>' ) ;
 119              }
 120          }
 121      }
 122  }
 123  else
 124  {
 125      FCKPlaceholders.Redraw = function()
 126      {
 127          if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
 128              return ;
 129  
 130          var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ;
 131  
 132          var    aNodes = new Array() ;
 133  
 134          while ( ( oNode = oInteractor.nextNode() ) )
 135          {
 136              aNodes[ aNodes.length ] = oNode ;
 137          }
 138  
 139          for ( var n = 0 ; n < aNodes.length ; n++ )
 140          {
 141              var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ;
 142  
 143              for ( var i = 0 ; i < aPieces.length ; i++ )
 144              {
 145                  if ( aPieces[i].length > 0 )
 146                  {
 147                      if ( aPieces[i].indexOf( '[[' ) == 0 )
 148                      {
 149                          var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
 150  
 151                          var oSpan = FCK.EditorDocument.createElement( 'span' ) ;
 152                          FCKPlaceholders.SetupSpan( oSpan, sName ) ;
 153  
 154                          aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ;
 155                      }
 156                      else
 157                          aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ;
 158                  }
 159              }
 160  
 161              aNodes[n].parentNode.removeChild( aNodes[n] ) ;
 162          }
 163  
 164          FCKPlaceholders._SetupClickListener() ;
 165      }
 166  
 167      FCKPlaceholders._AcceptNode = function( node )
 168      {
 169          if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) )
 170              return NodeFilter.FILTER_ACCEPT ;
 171          else
 172              return NodeFilter.FILTER_SKIP ;
 173      }
 174  }
 175  
 176  FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ;
 177  
 178  // We must process the SPAN tags to replace then with the real resulting value of the placeholder.

 179  FCKXHtml.TagProcessors['span'] = function( node, htmlNode )
 180  {
 181      if ( htmlNode._fckplaceholder )
 182          node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ;
 183      else
 184          FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
 185  
 186      return node ;
 187  }