[Sommaire] [Imprimer]

   1  /*
   2   * FCKeditor - The text editor for internet
   3   * Copyright (C) 2003-2006 Frederico Caldeira Knabben
   4   * 
   5   * Licensed under the terms of the GNU Lesser General Public License:
   6   *         http://www.opensource.org/licenses/lgpl-license.php
   7   * 
   8   * For further information visit:
   9   *         http://www.fckeditor.net/
  10   * 
  11   * "Support Open Source software. What about a donation today?"
  12   * 
  13   * File Name: fck_2_gecko.js
  14   *     This is the second part of the "FCK" object creation. This is the main
  15   *     object that represents an editor instance.
  16   *     (Gecko specific implementations)
  17   * 
  18   * File Authors:
  19   *         Frederico Caldeira Knabben (fredck@fckeditor.net)
  20   */
  21  
  22  // GetNamedCommandState overload for Gecko.
  23  FCK._BaseGetNamedCommandState = FCK.GetNamedCommandState ;
  24  FCK.GetNamedCommandState = function( commandName )
  25  {
  26      switch ( commandName )
  27      {
  28          case 'Unlink' :
  29              return FCKSelection.HasAncestorNode('A') ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ;
  30          default :
  31              return FCK._BaseGetNamedCommandState( commandName ) ;
  32      }
  33  }
  34  
  35  // Named commands to be handled by this browsers specific implementation.
  36  FCK.RedirectNamedCommands = 
  37  {
  38      Print    : true,
  39      Paste    : true,
  40      Cut        : true,
  41      Copy    : true
  42      // START iCM MODIFICATIONS
  43      // Include list functions so we can ensure content is wrapped
  44      // with P tags if not using BRs on carriage return, etc
  45      /*
  46      InsertOrderedList    : true,
  47      InsertUnorderedList    : true
  48      */
  49      // END iCM MODIFICATIONS
  50  }
  51  
  52  // ExecuteNamedCommand overload for Gecko.
  53  FCK.ExecuteRedirectedNamedCommand = function( commandName, commandParameter )
  54  {
  55      switch ( commandName )
  56      {
  57          case 'Print' :
  58              FCK.EditorWindow.print() ;
  59              break ;
  60          case 'Paste' :
  61              try            { if ( FCK.Paste() ) FCK.ExecuteNamedCommand( 'Paste', null, true ) ; }
  62              catch (e)    { alert(FCKLang.PasteErrorPaste) ; }
  63              break ;
  64          case 'Cut' :
  65              try            { FCK.ExecuteNamedCommand( 'Cut', null, true ) ; }
  66              catch (e)    { alert(FCKLang.PasteErrorCut) ; }
  67              break ;
  68          case 'Copy' :
  69              try            { FCK.ExecuteNamedCommand( 'Copy', null, true ) ; }
  70              catch (e)    { alert(FCKLang.PasteErrorCopy) ; }
  71              break ;
  72              
  73          // START iCM MODIFICATIONS
  74          /*
  75          case 'InsertOrderedList'   :
  76          case 'InsertUnorderedList' :
  77          
  78              if ( !FCKConfig.UseBROnCarriageReturn && FCK.EditorDocument.queryCommandState( commandName ) )
  79              {
  80                  // We're in a list item which is in the same type of list as the toolbar button clicked
  81                  // Therefore, move the selected list item out of the list as is done on an ENTER key within
  82                  // an empty list item.
  83                  var oSel = FCK.EditorWindow.getSelection() ;
  84                  var oSelNode = oSel.focusNode ;
  85                  var oLINode = FCKTools.GetElementAscensor( oSelNode, "LI" ) ;
  86                  FCK.ToggleListItem( oLINode, oSelNode ) ;
  87              }
  88              else
  89              {
  90                  // Let the default handler do its stuff
  91                  FCK.Focus() ;
  92                  FCK.EditorDocument.execCommand( commandName, false, commandParameter ) ; 
  93              }
  94              
  95              FCK.Events.FireEvent( 'OnSelectionChange' ) ;
  96              break ;
  97          */
  98          // END iCM MODIFICATIONS
  99              
 100          default :
 101              FCK.ExecuteNamedCommand( commandName, commandParameter ) ;
 102      }
 103  }
 104  
 105  FCK.AttachToOnSelectionChange = function( functionPointer )
 106  {
 107      this.Events.AttachEvent( 'OnSelectionChange', functionPointer ) ;
 108  }
 109  
 110  FCK.Paste = function()
 111  {
 112      if ( FCKConfig.ForcePasteAsPlainText )
 113      {
 114          FCK.PasteAsPlainText() ;    
 115          return false ;
 116      }
 117  /* For now, the AutoDetectPasteFromWord feature is IE only.
 118      else if ( FCKConfig.AutoDetectPasteFromWord )
 119      {
 120          var sHTML = FCK.GetClipboardHTML() ;
 121          var re = /<\w[^>]* class="?MsoNormal"?/gi ;
 122          if ( re.test( sHTML ) )
 123          {
 124              if ( confirm( FCKLang["PasteWordConfirm"] ) )
 125              {
 126                  FCK.PasteFromWord() ;
 127                  return false ;
 128              }
 129          }
 130      }
 131  */
 132      else
 133          return true ;
 134  }
 135  
 136  //**
 137  // FCK.InsertHtml: Inserts HTML at the current cursor location. Deletes the
 138  // selected content if any.
 139  FCK.InsertHtml = function( html )
 140  {
 141      html = FCKConfig.ProtectedSource.Protect( html ) ;
 142      html = FCK.ProtectUrls( html ) ;
 143  
 144      // Delete the actual selection.
 145      var oSel = FCKSelection.Delete() ;
 146      
 147      // Get the first available range.
 148      var oRange = oSel.getRangeAt(0) ;
 149      
 150      // Create a fragment with the input HTML.
 151      var oFragment = oRange.createContextualFragment( html ) ;
 152      
 153      // Get the last available node.
 154      var oLastNode = oFragment.lastChild ;
 155  
 156      // Insert the fragment in the range.
 157      oRange.insertNode(oFragment) ;
 158      
 159      // Set the cursor after the inserted fragment.
 160      FCKSelection.SelectNode( oLastNode ) ;
 161      FCKSelection.Collapse( false ) ;
 162      
 163      this.Focus() ;
 164  }
 165  
 166  FCK.InsertElement = function( element )
 167  {
 168      // Deletes the actual selection.
 169      var oSel = FCKSelection.Delete() ;
 170      
 171      // Gets the first available range.
 172      var oRange = oSel.getRangeAt(0) ;
 173      
 174      // Inserts the element in the range.
 175      oRange.insertNode( element ) ;
 176      
 177      // Set the cursor after the inserted fragment.
 178      FCKSelection.SelectNode( element ) ;
 179      FCKSelection.Collapse( false ) ;
 180  
 181      this.Focus() ;
 182  }
 183  
 184  FCK.PasteAsPlainText = function()
 185  {
 186      // TODO: Implement the "Paste as Plain Text" code.
 187      
 188      FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteAsText, 'dialog/fck_paste.html', 400, 330, 'PlainText' ) ;
 189      
 190  /*
 191      var sText = FCKTools.HTMLEncode( clipboardData.getData("Text") ) ;
 192      sText = sText.replace( /\n/g, '<BR>' ) ;
 193      this.InsertHtml( sText ) ;    
 194  */
 195  }
 196  /*
 197  FCK.PasteFromWord = function()
 198  {
 199      // TODO: Implement the "Paste as Plain Text" code.
 200      
 201      FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteFromWord, 'dialog/fck_paste.html', 400, 330, 'Word' ) ;
 202  
 203  //    FCK.CleanAndPaste( FCK.GetClipboardHTML() ) ;
 204  }
 205  */
 206  FCK.GetClipboardHTML = function()
 207  {
 208      return '' ;
 209  }
 210  
 211  FCK.CreateLink = function( url )
 212  {    
 213      FCK.ExecuteNamedCommand( 'Unlink' ) ;
 214      
 215      if ( url.length > 0 )
 216      {
 217          // Generate a temporary name for the link.
 218          var sTempUrl = 'javascript:void(0);/*' + ( new Date().getTime() ) + '*/' ;
 219          
 220          // Use the internal "CreateLink" command to create the link.
 221          FCK.ExecuteNamedCommand( 'CreateLink', sTempUrl ) ;
 222  
 223          // Retrieve the just created link using XPath.
 224          var oLink = document.evaluate("//a[@href='" + sTempUrl + "']", this.EditorDocument.body, null, 9, null).singleNodeValue ;
 225          
 226          if ( oLink )
 227          {
 228              oLink.href = url ;
 229              return oLink ;
 230          }
 231      }
 232  }
 233  
 234  // START iCM Modifications
 235  /*
 236  // Ensure that behaviour of the ENTER key or the list toolbar button works correctly for a list item.
 237  // ENTER in empty list item at top of list should result in the empty list item being
 238  // removed and selection being moved out of the list into a P tag above it.
 239  // ENTER in empty list item at bottom of list should result in the empty list item being
 240  // removed and selection being moved out of the list into a P tag below it.
 241  // ENTER in empty list item in middle of the list should result in the list being split
 242  // into two and the selection being moved into a P tag between the two resulting lists.
 243  // Clicking the list toolbar button in a list item at top of list should result in the list item's contents being
 244  // moved out of the list into a P tag above it.
 245  // Clicking the list toolbar button in a list item at the bottom of list should result in the list item's contents being
 246  // moved out of the list into a P tag below it.
 247  // Clicking the list toolbar button in a list item in the middle of the list should result in the list being split
 248  // into two and the list item's contents being moved into a P tag between the two resulting lists.
 249  FCK.ToggleListItem = function( oLINode, oSelNode )
 250  {
 251      var oListNode = FCKTools.GetElementAscensor( oLINode, "UL,OL" ) ;
 252      var oRange = FCK.EditorDocument.createRange() ;    
 253  
 254      // Create a new block element
 255      var oBlockNode = FCK.EditorDocument.createElement( "P" ) ;
 256      oBlockNode.innerHTML = oLINode.innerHTML ; // Transfer any list item contents
 257      if ( FCKTools.NodeIsEmpty( oBlockNode ) )
 258          oBlockNode.innerHTML = GECKO_BOGUS ;             // Ensure it has some content, required for Gecko
 259      if ( oLINode.className && oLINode.className != '' )
 260          oBlockNode.className = oLINode.className ;     // Transfer across any class attribute
 261      
 262      var oCursorNode = oBlockNode ;
 263  
 264      // Then, perform list processing and locate the point at which the new P tag is to be inserted
 265      if ( oListNode.childNodes[0] == oLINode )
 266      {
 267          // First LI was empty so want to leave list and insert P above it
 268          oListNode.removeChild( oLINode );
 269          // Need to insert a new P tag (or other suitable block element) just before the list
 270          oRange.setStartBefore( oListNode ) ;
 271          oRange.setEndBefore( oListNode ) ;
 272      }
 273      else if ( oListNode.childNodes[oListNode.childNodes.length-1] == oLINode )
 274      {
 275          // Last LI was empty so want to leave list and insert new block element in the parent
 276          oListNode.removeChild( oLINode );
 277          // Need to insert a new P tag (or other suitable block element) just after the list
 278          oRange.setEndAfter( oListNode ) ;
 279          oRange.setStartAfter( oListNode ) ;
 280      }
 281      else
 282      {
 283          // A middle LI was empty so want to break list into two and insert the new block/text node in between them
 284          oListNode = FCKTools.SplitNode( oListNode, oSelNode, 0 ) ;                
 285          oListNode.removeChild( oListNode.childNodes[0] ) ;
 286          oRange.setStartBefore( oListNode ) ;
 287          oRange.setEndBefore( oListNode ) ;
 288      }
 289  
 290      // Insert new block/text node
 291      oRange.insertNode( oBlockNode ) ;
 292      
 293      // Ensure that we don't leave empty UL/OL tags behind
 294      if ( oListNode.childNodes.length == 0 ) 
 295          oListNode.parentNode.removeChild( oListNode ) ;
 296      
 297      // Reset cursor position to start of the new P tag's contents ready for typing
 298      FCK.Selection.SetCursorPosition( oCursorNode ) ;
 299  }
 300  
 301  FCK.ListItemEnter = function( oLINode, oSelNode, nSelOffset )
 302  {
 303      // Ensure that behaviour of ENTER key within an empty list element works correctly.
 304      // ENTER in empty list item at top of list should result in the empty list item being
 305      // removed and selection being moved out of the list into a P tag above it.
 306      // ENTER in empty list item at bottom of list should result in the empty list item being
 307      // removed and selection being moved out of the list into a P tag below it.
 308      // ENTER in empty list item in middle of the list should result in the list being split
 309      // into two and the selection being moved into a P tag between the two resulting lists.
 310      if ( FCKTools.NodeIsEmpty( oLINode ) )
 311      {
 312          FCK.ToggleListItem( oLINode, oSelNode ) ;
 313          return false ; // Job done, perform no default handling
 314      }
 315      
 316      return true ; // If non-empty list item, let default handler do its stuff
 317  }
 318  
 319  FCK.ListItemBackSpace = function( oSelNode, nSelOffset )
 320  {
 321      // Ensure that behaviour of BACKSPACE key within an empty list element works correctly.
 322      // BACKSPACE in empty list item at top of list should result in the empty list item being
 323      // removed and selection being moved out of the list into a P tag above it.
 324      // Allow the default handler to do its stuff for backspace in other list elements.
 325      var oListNode = oSelNode.parentNode ;
 326      
 327      if ( FCKTools.NodeIsEmpty( oSelNode ) && ( oListNode.childNodes[0] == oSelNode ) )
 328      {
 329          var oRange = FCK.EditorDocument.createRange() ;    
 330      
 331          // Create a new P element
 332          var oBlockNode = FCK.EditorDocument.createElement( "P" ) ;
 333          if ( FCKTools.NodeIsEmpty( oBlockNode ) ) 
 334              oBlockNode.innerHTML = GECKO_BOGUS ;             // Ensure it has some content, required for Gecko
 335      
 336          // First LI was empty so want to leave list and insert P above it
 337          oListNode.removeChild( oSelNode );
 338          oRange.setStartBefore( oListNode ) ;
 339          oRange.setEndBefore( oListNode ) ;
 340  
 341          // Insert new P tag
 342          oRange.insertNode( oBlockNode ) ;
 343          
 344          // Ensure that we don't leave empty UL/OL tags behind
 345          if ( oListNode.childNodes.length == 0 ) 
 346              oListNode.parentNode.removeChild( oListNode ) ;
 347          
 348          // Reset cursor position to start of the new P tag's contents ready for typing
 349          FCK.Selection.SetCursorPosition( oBlockNode ) ;
 350          
 351          return false ; // Job done, perform no default handling
 352      }
 353      
 354      return true ; // Let default handler do its stuff if not backspacing in an empty first LI
 355  }
 356  
 357  FCK.Enter = function()
 358  {
 359      // Remove any selected content before we begin so we end up with a single selection point
 360      FCK.Selection.Delete() ;
 361      
 362      // Determine the current cursor (selection) point, the node it's within and the offset
 363      // position of the cursor within that node
 364      var oSel = FCK.EditorWindow.getSelection() ;
 365      var nSelOffset = oSel.focusOffset;
 366      var oSelNode = oSel.focusNode ;
 367  
 368      // Guard against a null focus node.
 369      if ( !oSelNode )
 370          return false ;
 371      
 372      var oLINode = FCKTools.GetElementAscensor( oSelNode, "LI" ) ;
 373      
 374      if ( oLINode ) // An LI element is selected
 375      {
 376          // Handle list items separately as need to handle termination of the list, etc
 377          return FCK.ListItemEnter( oLINode, oSelNode, nSelOffset ) ;
 378      }
 379      else if ( oSelNode.nodeType == 3 ) // A TEXT node is selected
 380      {
 381          // Split it at the selection point and ensure both halves have a suitable enclosing block element
 382          var oParentBlockNode = FCKTools.GetParentBlockNode( oSelNode ) ;
 383          var oBlockNode2 = FCKTools.SplitNode( oParentBlockNode ? oParentBlockNode : FCK.EditorDocument.body, oSelNode, nSelOffset ) ;
 384              
 385          FCK.Selection.SetCursorPosition( oBlockNode2 );        
 386          
 387          return false ;
 388      } 
 389      else // An ELEMENT node is selected
 390      {
 391          // Cater for ENTER being pressed after very last element in the editor e.g. pressing ENTER after table element at very end of the editor's content
 392          if ( nSelOffset >= oSelNode.childNodes.length )    
 393          {
 394              var oBlockNode = FCK.EditorDocument.createElement( "P" ) ;
 395              if ( FCKTools.NodeIsEmpty( oBlockNode ) )
 396                  oBlockNode.innerHTML = GECKO_BOGUS ;        // Ensure it has some content, required for Gecko            
 397              oSelNode.appendChild( oBlockNode ) ;
 398              FCK.Selection.SetCursorPosition( oBlockNode ) ;
 399              return false ;
 400          }
 401          
 402          var oBlockNode2 = FCKTools.SplitNode( oSelNode, oSelNode.childNodes[nSelOffset] ) ;
 403              
 404          FCK.Selection.SetCursorPosition( oBlockNode2 );        
 405          
 406          return false ;
 407      }
 408      
 409      return true ;
 410  }
 411  
 412  FCK.BackSpace = function()
 413  {
 414      var oSel = FCK.EditorWindow.getSelection() ;
 415      var oSelNode = oSel.focusNode ;
 416      var nSelOffset = oSel.focusOffset;
 417      var oParentNode = null ;
 418  
 419      // Guard against a null focus node.
 420      if ( !oSelNode )
 421          return false ;
 422      
 423      if ( oSelNode.nodeName.toUpperCase() == "LI" ) // An LI element is selected
 424      {
 425          // Handle list items separately as need to handle termination of the list, etc
 426          return FCK.ListItemBackSpace( oSelNode, nSelOffset ) ;
 427      }
 428      else    
 429      {
 430          // If we are anything other than a TEXT node, move to the child indicated by the selection offset
 431          if ( oSelNode.nodeType != 3 )
 432          {
 433              oSelNode = oSelNode.childNodes[nSelOffset] ;
 434              nSelOffset = 0 ;
 435          }
 436          
 437          // If we are the first child and the previous sibling of the parent is an empty block element (containing nothing or just the filler element)
 438          // want the backspace to completely remove the empty block element
 439          if ( !oSelNode.previousSibling && nSelOffset <= 0 )
 440          {
 441              oParentNode = oSelNode.parentNode ;
 442              
 443              if ( oParentNode && oParentNode.previousSibling && FCKRegexLib.BlockElements.test( oParentNode.previousSibling.nodeName ) )
 444              {
 445                  if ( FCKTools.NodeIsEmpty( oParentNode.previousSibling ) )
 446                  {
 447                      var oRange = FCK.EditorDocument.createRange() ;
 448                      oRange.selectNode ( oParentNode.previousSibling );
 449                      oRange.deleteContents() ;
 450                      
 451                      // Don't do any default processing
 452                      return false ; 
 453                  }
 454              }
 455          }
 456      }    
 457      return true ; // Let default processing do its stuff
 458  }
 459  */
 460  // END iCM Modifications
 461