/*

* FCKeditor - The text editor for Internet - http://www.fckeditor.net

* Copyright (C) 2003-2007 Frederico Caldeira Knabben

*

* == BEGIN LICENSE ==

*

* Licensed under the terms of any of the following licenses at your

* choice:

*

*  - GNU General Public License Version 2 or later (the "GPL")

*    http://www.gnu.org/licenses/gpl.html

*

*  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")

*    http://www.gnu.org/licenses/lgpl.html

*

*  - Mozilla Public License Version 1.1 or later (the "MPL")

*    http://www.mozilla.org/MPL/MPL-1.1.html

*

* == END LICENSE ==

*

* Plugin to insert "Placeholders" in the editor.

*/

// The object used for all Placeholder operations.

//FCK.Events.AttachEvent( 'OnSelectionChange', FCKImgAssist.Redraw ) ;

var imgAssistIcon= top.document.getElementById('img_assist-link-' + FCK.Config['TextareaID']);

if (imgAssistIcon){

var FCKImageAssistProcessor = FCKDocumentProcessor.AppendNew() ;

FCKImageAssistProcessor.ProcessDocument = function( document )

{

  // get all elements in FCK document

  var elements = document.getElementsByTagName( '*' ) ;

  // check every element for childNodes

  var i = 0;

  while (element = elements[i++]) {

    var nodes = element.childNodes;

    var j = 0;

    while (node = nodes[j++]) {

      if (node.nodeName == '#text') {

          var index = 0;

          while (aPlaholders = node.nodeValue.match( /\[img_assist[^\[\]]+\]/g )) {

            index = node.nodeValue.indexOf(aPlaholders[0]);

            if (index != -1) {

              var oImgAs = FCKTools.ImageAssistDecode ( aPlaholders[0] );

              var substr1 = FCK.EditorDocument.createTextNode( node.nodeValue.substring(0, index) );

              var substr2 = FCK.EditorDocument.createTextNode( node.nodeValue.substring(index + aPlaholders[0].length) );

              node.parentNode.insertBefore( substr1, node ) ;

              node.parentNode.insertBefore( oImgAs, node ) ;

              node.parentNode.insertBefore( substr2, node ) ;

              node.parentNode.removeChild( node ) ;

              if (node) node.nodeValue='';

            }

          }

      }

    }

  }

}

// Open the image_assis dialog on double click.

FCKImageAssistProcessor.OnDoubleClick = function( span ) {

  if ( span.tagName == 'IMG' && span._fckimgassist_fckimgassist ) {

    FCKCommands.GetCommand( 'Img_Assist' ).Execute() ;

  }

}

//Save reference to the internal FCKeditor TagProcessor

//It must be called to process _fcksavedurl [#352704]

var FCKXHtml_TagProcessors_Img = FCKXHtml.TagProcessors['img'];

// We must process the IMG tags, change <img...> to [img_assist...]

FCKXHtml.TagProcessors['img'] = function( node, htmlNode )

{

  node = FCKXHtml_TagProcessors_Img( node, htmlNode ) ;

  if ( htmlNode.getAttribute('nid') ) {

    var IAString = FCKTools.ImageAssistCode ( htmlNode );

    if( IAString )

    node = FCKXHtml.XML.createTextNode(IAString) ;

  }

  else{

    FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;

  }

  return node ;

}

FCKImageAssistProcessor.Redraw = function( document )

{

  FCKImageAssistProcessor.ProcessDocument(FCK.EditorDocument);

}

// Context menu for templates.

FCK.ContextMenu.RegisterListener({

  AddItems : function( contextMenu, tag, tagName )

  {

    if ( tagName == 'IMG' || tagName == 'img') {

      if ( tag.getAttribute( '_fckimgassist' ) ) {

        contextMenu.RemoveAllItems();

        contextMenu.AddItem( 'Img_Assist', 'Image Assist' , FCKConfig.PluginsPath + 'imgassist/imgassist_small.gif') ;

      }

    }

  }

});

FCKTools.ImageAssistDecode = function( IAString )

{

  var IAObj = FCK.EditorDocument.createElement( 'img' ) ;

  var IAarg = IAString.match( /\[img_assist\s*([^\]]*?)\]/ );

  IAarg=IAarg[1].toString().split("|");

  var order = new Array();

  for (var k=0;k<IAarg.length;k++) {

    index2 = IAarg[k].indexOf('=');

    if (index2 != -1) {

      var temp_name = IAarg[k].split("=",1)[0];

      var temp_val  = IAarg[k].slice(index2+1);

      order[k] = temp_name;

      if (temp_name == 'width') {

        if (parseInt(temp_val) == 'NaN') temp_val=72;

        IAObj.style.width = parseInt(temp_val);

      }

      else if (temp_name == 'height') {

        if (parseInt(temp_val) == 'NaN') temp_val=50;

        IAObj.style.height = parseInt(temp_val);

      }

      else {

        IAObj.setAttribute(temp_name, temp_val);

      }

    }

  }

  if (!IAObj.style.width)  IAObj.setAttribute('width', 72);

  if (!IAObj.style.height) IAObj.setAttribute('height', 50);

  IAObj.setAttribute ('order', order.join("|"));

  IAObj.setAttribute ('src', FCKConfig.BasePath +'images/spacer.gif');

  IAObj.setAttribute ('_fckimgassist', 'true');

  IAObj._fckimgassist = true ;

  IAObj.className = 'image_assist';

  return IAObj;

}

FCKTools.ImageAssistCode = function( IAObj )

{

  var IAString;

  if ( IAObj.getAttribute('nid') ) {

    var IAString = '[img_assist'; 

    var orderStr = IAObj.getAttribute('order').toString();

    var order = orderStr.split("|");

    for(var i=1;i<order.length;i++) {

      IAString += '|'+ order[i] +'=';

      if (IAObj.getAttribute(order[i])) {

        IAString += IAObj.getAttribute(order[i]);

      }

      else if (order[i] == 'width') {

        IAString += parseInt(IAObj.style.width);

      }

      else if (order[i] == 'height') {

        IAString += parseInt(IAObj.style.height);

      }

    }

    if ((orderStr.indexOf('width') == -1) && (IAObj.style.width)) {

      IAString += '|width='+ parseInt(IAObj.style.width);

    }

    if ((orderStr.indexOf('height') == -1) && (IAObj.style.height)) {

      IAString += '|height='+ parseInt(IAObj.style.height);

    }

    IAString += ']' ;

  }

  else {

    return false;

  }

  return IAString;

}

FCKCommands.RegisterCommand( 'Img_Assist', new FCKDialogCommand( 'Img_Assist', 'Image Assist Object', FCKConfig.PluginsPath + 'imgassist/fck_imgassist.html', 500, 330 ) ) ;

FCK.Events.AttachEvent( 'OnSelectionChange', FCKImageAssistProcessor.Redraw ) ;

/*

 * Plugin: add image_assist button

 */

var FCKimageAssist = function(){

  this.EditMode = FCK.EditMode;

}

  FCKimageAssist.prototype.Execute = function(){

    if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG ) {

      return ;

    }

    ia_icon = top.document.getElementById('img_assist-link-' + FCK.Config['TextareaID']);

    ia_href = ia_icon.getAttribute("href");

    top.window.open(ia_href, 'img_assist_link', 'width=600,height=350,scrollbars=yes,status=yes,resizable=yes,toolbar=no,menubar=no');

  }

  // Define the command.

  FCKimageAssist.prototype.GetState = function(){

    return ( FCK.EditMode == FCK_EDITMODE_WYSIWYG ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ) ;

  }

  FCKCommands.RegisterCommand( 'ImageAssist', new FCKimageAssist() ) ;

  var oIAItem = new FCKToolbarButton( 'ImageAssist', 'Image Assist', null, FCK_TOOLBARITEM_ICONTEXT, true, true ) ;

  oIAItem.IconPath = FCKConfig.PluginsPath + 'imgassist/imgassist_small.gif';

  // Create the ImageAssist buttons.

  FCKToolbarItems.RegisterItem( 'ImageAssist', oIAItem ) ;

  addToolbarElement('ImageAssist', 'Basic', 0);

  addToolbarElement('ImageAssist', 'DrupalBasic', 0);

  addToolbarElement('ImageAssist', 'Default', 4);

  addToolbarElement('ImageAssist', 'DrupalFiltered', 0);

  addToolbarElement('ImageAssist', 'DrupalFull', 0);

}