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   1  // $Id: fckplugin.js,v 1.2.4.5 2009/01/28 15:03:51 wwalc Exp $
   2  /*
   3   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   4   * Copyright (C) 2003-2007 Frederico Caldeira Knabben
   5   *
   6   * == BEGIN LICENSE ==
   7   *
   8   * Licensed under the terms of any of the following licenses at your
   9   * choice:
  10   *
  11   *  - GNU General Public License Version 2 or later (the "GPL")
  12   *    http://www.gnu.org/licenses/gpl.html
  13   *
  14   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
  15   *    http://www.gnu.org/licenses/lgpl.html
  16   *
  17   *  - Mozilla Public License Version 1.1 or later (the "MPL")
  18   *    http://www.mozilla.org/MPL/MPL-1.1.html
  19   *
  20   * == END LICENSE ==
  21   *
  22   * Plugin: add support for <!--pagebreak--> tag inside Drupal
  23   * Source: http://drupal.org/node/81893
  24   */
  25  
  26  // Define the command.
  27  var FCKDrupalPageBreak = function( name )
  28  {
  29    this.Name = name ;
  30    this.EditMode = FCK.EditMode;
  31  }
  32  
  33  FCKDrupalPageBreak.prototype.Execute = function()
  34  {
  35    if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
  36      return ;
  37  
  38    FCKUndo.SaveUndoStep() ;
  39  
  40    switch ( this.Name )
  41    {
  42      case 'Break' :
  43        var e = FCK.EditorDocument.createComment( 'pagebreak' ) ;
  44        var oFakeImage = FCK.InsertElement( FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', e ) ) ;
  45        oFakeImage.setAttribute( "_drupalpagebreak", "true" ) ;
  46        this.MoveBreakOutsideElement();
  47      break;
  48      default :
  49      break;
  50    }
  51  }
  52  
  53  FCKDrupalPageBreak.prototype.MoveBreakOutsideElement = function()
  54  {
  55    FCK.FixBody();
  56    // get all elements in FCK document
  57    var elements = FCK.EditorDocument.getElementsByTagName( 'img' ) ;
  58  
  59    // check every element for childNodes
  60    var i = 0;
  61    var next ;
  62    while ( element = elements[i++] )
  63    {
  64      if ( element.getAttribute( '_drupalpagebreak' ) == "true" )
  65      {
  66        while( ( next = element.parentNode.nodeName.toLowerCase() ) != 'body' )
  67        {
  68          //if we are inside p or div, close immediately this tag, insert break tag,
  69          //create new element and move remaining siblings to the next element
  70          if ( ( next == 'div' || next == 'p' ) && ( element.parentNode.parentNode.nodeName.toLowerCase() == 'body' ) )
  71          {
  72            var oParent = element.parentNode ;
  73            var oDiv = FCK.EditorDocument.createElement( next.toUpperCase() ) ;
  74            var bDivEmpty = true ;
  75            var sibling ;
  76  
  77            while( sibling = element.nextSibling )
  78            {
  79              if (!((sibling.nodeType == 3 && !sibling.nodeValue.length) || (sibling.nodeType == 1 && sibling.nodeName.toLowerCase() == 'br' && sibling.getAttribute( 'type' ) == '_moz'))) {
  80              bDivEmpty = false ;
  81              }
  82  
  83              oDiv.appendChild( sibling ) ;
  84            }
  85  
  86            if ( oDiv.childNodes.length )
  87            {
  88              if ( oParent.nextSibling )
  89                FCK.EditorDocument.body.insertBefore( oDiv, oParent.nextSibling ) ;
  90              else
  91                FCK.EditorDocument.body.appendChild( oDiv ) ;
  92            }
  93  
  94            if ( element.parentNode.nextSibling )
  95              element.parentNode.parentNode.insertBefore( element, element.parentNode.nextSibling ) ;
  96            else
  97              element.parentNode.parentNode.appendChild( element ) ;
  98  
  99            if ( !oParent.childNodes.length )
 100              FCK.EditorDocument.body.removeChild( oParent ) ;
 101  
 102            //if we put pagebreak next to another pagrebreak, remove it
 103            if ( element.nextSibling && element.nextSibling.getAttribute( '_drupalpagebreak' ) == "true")
 104              element.parentNode.removeChild( element.nextSibling ) ;
 105  
 106            //we must be sure the bogus node is available to make cursor blinking
 107            if ( FCKBrowserInfo.IsGeckoLike )
 108              FCKTools.AppendBogusBr( oParent ) ;
 109  
 110            if ( bDivEmpty )
 111              oDiv.parentNode.removeChild( oDiv );
 112  
 113            break ;
 114          }
 115          else
 116          {
 117            if ( element.parentNode.nextSibling )
 118              element.parentNode.parentNode.insertBefore( element, element.parentNode.nextSibling ) ;
 119            else
 120              element.parentNode.parentNode.appendChild( element ) ;
 121          }
 122        }
 123      }
 124    }
 125  }
 126  
 127  FCKDrupalPageBreak.prototype.GetState = function()
 128  {
 129    return ( FCK.EditMode == FCK_EDITMODE_WYSIWYG ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ) ;
 130  }
 131  
 132  // Register the Drupal tag commands.
 133  FCKCommands.RegisterCommand( 'DrupalPageBreak', new FCKDrupalPageBreak( 'Break' ) ) ;
 134  // Create the Drupal tag buttons.
 135  var oDrupalItem = new FCKToolbarButton( 'DrupalPageBreak', FCKLang.DrupalPageBreakTitle, FCKLang.DrupalPageBreakTooltip, FCK_TOOLBARITEM_ICONTEXT, true, true ) ;
 136  oDrupalItem.IconPath = FCKConfig.PluginsPath + 'drupalpagebreak/drupalpagebreak.gif';
 137  FCKToolbarItems.RegisterItem( 'DrupalPageBreak', oDrupalItem ) ;
 138  
 139  // after switch in to source mode and back proccess page and insert fake
 140  // image for break again
 141  // Drupal Page Breaks Processor
 142  
 143  var FCKDrupalPageBreaksProcessor = FCKDocumentProcessor.AppendNew() ;
 144  FCKDrupalPageBreaksProcessor.ProcessDocument = function( document )
 145  {
 146    // get all elements in FCK document
 147    var elements = document.getElementsByTagName( '*' ) ;
 148  
 149    // check every element for childNodes
 150    var i = 0;
 151    while (element = elements[i++]) {
 152      var nodes = element.childNodes;
 153  
 154      var j = 0;
 155      while (node = nodes[j++]) {
 156        if (node.nodeName == '#comment') {
 157          var re = /\{\d+\}/ ;
 158          var PContent;
 159          if (re.test(node.nodeValue))
 160            PContent = FCKConfig.ProtectedSource.Revert('<!--' + node.nodeValue + '-->', false);
 161  
 162          if (node.nodeValue == 'pagebreak' || PContent == '<!--pagebreak-->') {
 163            var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', node.cloneNode(true) ) ;
 164            oFakeImage.setAttribute( "_drupalpagebreak", "true" ) ;
 165            node.parentNode.insertBefore( oFakeImage, node ) ;
 166            node.parentNode.removeChild( node ) ;
 167          }
 168        }
 169      }
 170    }
 171    FCKDrupalBreak.prototype.MoveBreakOutsideElement();
 172  }
 173  
 174  if ( !FCK.Config.ProtectedSource._RevertOld )
 175    FCK.Config.ProtectedSource._RevertOld = FCK.Config.ProtectedSource.Revert ;
 176  
 177  FCK.Config.ProtectedSource.Revert = function( html, clearBin )
 178  {
 179    // Call the original code.
 180    var result = FCK.Config.ProtectedSource._RevertOld ( html, clearBin ) ;
 181  
 182    if ( typeof FCKDrupalPageBreak !="undefined" && typeof FCKDrupalBreak !="undefined" )
 183      var re = /<(p|div)>((?:<!--pagebreak-->|<!--break-->)+)<\/\1>/gi ;
 184    else if ( typeof FCKDrupalBreak !="undefined" )
 185      var re = /<(p|div)>(<!--break-->)+<\/\1>/gi ;
 186    else if ( typeof FCKDrupalPageBreak !="undefined" )
 187      var re = /<(p|div)>(<!--pagebreak-->)+<\/\1>/gi ;
 188  
 189    result = result.replace( re, '$2' );
 190    return result ;
 191  }