?/* * FCKeditor - The text editor for internet * Copyright (C) 2003-2005 Frederico Caldeira Knabben *  * Licensed under the terms of the GNU Lesser General Public License: * 		http://www.opensource.org/licenses/lgpl-license.php *  * For further information visit: * 		http://www.fckeditor.net/ *  * "Support Open Source software. What about a donation today?" *  * File Name: fckplugin.js * 	Plugin to insert "Placeholders" in the editor. *  * File Authors: * 		Frederico Caldeira Knabben (fredck@fckeditor.net) */// Register the related command.FCKCommands.RegisterCommand( 'Placeholder', new FCKDialogCommand( 'Placeholder', FCKLang.PlaceholderDlgTitle, FCKPlugins.Items['placeholder'].Path + 'fck_placeholder.html', 340, 170 ) ) ;// Create the "Plaholder" toolbar button.var oPlaceholderItem = new FCKToolbarButton( 'Placeholder', FCKLang.PlaceholderBtn ) ;oPlaceholderItem.IconPath = FCKPlugins.Items['placeholder'].Path + 'placeholder.gif' ;FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ;// The object used for all Placeholder operations.var FCKPlaceholders = new Object() ;// Add a new placeholder at the actual selection.FCKPlaceholders.Add = function( name ){	var oSpan = FCK.CreateElement( 'SPAN' ) ;	this.SetupSpan( oSpan, name ) ;}FCKPlaceholders.SetupSpan = function( span, name ){	span.innerHTML = '[[ ' + name + ' ]]' ;	span.style.backgroundColor = '#ffff00' ;	span.style.color = '#000000' ;	if ( FCKBrowserInfo.IsGecko )		span.style.cursor = 'default' ;	span._fckplaceholder = name ;	span.contentEditable = false ;	// To avoid it to be resized.	span.onresizestart = function()	{		FCK.EditorWindow.event.returnValue = false ;		return false ;	}}// On Gecko we must do this trick so the user select all the SPAN when clicking on it.FCKPlaceholders._SetupClickListener = function(){	FCKPlaceholders._ClickListener = function( e )	{		if ( e.target.tagName == 'SPAN' && e.target._fckplaceholder )			FCKSelection.SelectNode( e.target ) ;	}	FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ;}// Open the Placeholder dialog on double click.FCKPlaceholders.OnDoubleClick = function( span ){	if ( span.tagName == 'SPAN' && span._fckplaceholder )		FCKCommands.GetCommand( 'Placeholder' ).Execute() ;}FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ;// Check if a Placholder name is already in use.FCKPlaceholders.Exist = function( name ){	var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' )	for ( var i = 0 ; i < aSpans.length ; i++ )	{		if ( aSpans[i]._fckplaceholder == name )			return true ;	}}if ( FCKBrowserInfo.IsIE ){	FCKPlaceholders.Redraw = function()	{		var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ;		if ( !aPlaholders )			return ;		var oRange = FCK.EditorDocument.body.createTextRange() ;		for ( var i = 0 ; i < aPlaholders.length ; i++ )		{			if ( oRange.findText( aPlaholders[i] ) )			{				var sName = aPlaholders[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;				oRange.pasteHTML( '<span style="color: #000000; background-color: #ffff00" contenteditable="false" _fckplaceholder="' + sName + '">' + aPlaholders[i] + '</span>' ) ;			}		}	}}else{	FCKPlaceholders.Redraw = function()	{		var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ;		var	aNodes = new Array() ;		while ( oNode = oInteractor.nextNode() )		{			aNodes[ aNodes.length ] = oNode ;		}		for ( var n = 0 ; n < aNodes.length ; n++ )		{			var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ;			for ( var i = 0 ; i < aPieces.length ; i++ )			{				if ( aPieces[i].length > 0 )				{					if ( aPieces[i].indexOf( '[[' ) == 0 )					{						var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;						var oSpan = FCK.EditorDocument.createElement( 'span' ) ;						FCKPlaceholders.SetupSpan( oSpan, sName ) ;						aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ;					}					else						aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ;				}			}			aNodes[n].parentNode.removeChild( aNodes[n] ) ;		}				FCKPlaceholders._SetupClickListener() ;	}	FCKPlaceholders._AcceptNode = function( node )	{		if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) )			return NodeFilter.FILTER_ACCEPT ;		else			return NodeFilter.FILTER_SKIP ;	}}FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ;// The "Redraw" method must be called on startup.FCKPlaceholders.Redraw() ;// We must process the SPAN tags to replace then with the real resulting value of the placeholder.FCKXHtml.TagProcessors['span'] = function( node, htmlNode ){	if ( htmlNode._fckplaceholder )		node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ;	else		FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;	return node ;}