/*

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

 * Copyright (C) 2003-2009 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 ==

 *

 * FCKCoreStyleCommand Class: controls the execution of a core style. Core

 * styles are usually represented as buttons in the toolbar., like Bold and

 * Italic.

 */



 var FCKCoreStyleCommand = function( coreStyleName )

 {

 	this.Name = 'CoreStyle' ;

 	this.StyleName = '_FCK_' + coreStyleName ;

 	this.IsActive = false ;



 	FCKStyles.AttachStyleStateChange( this.StyleName, this._OnStyleStateChange, this ) ;

 }



 FCKCoreStyleCommand.prototype =

 {

	Execute : function()

	{

		FCKUndo.SaveUndoStep() ;



		if ( this.IsActive )

			FCKStyles.RemoveStyle( this.StyleName ) ;

		else

			FCKStyles.ApplyStyle( this.StyleName ) ;



		FCK.Focus() ;

		FCK.Events.FireEvent( 'OnSelectionChange' ) ;

	},



	GetState : function()

	{

		if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )

			return FCK_TRISTATE_DISABLED ;

		return this.IsActive ? FCK_TRISTATE_ON : FCK_TRISTATE_OFF ;

	},



	_OnStyleStateChange : function( styleName, isActive )

	{

		this.IsActive = isActive ;

	}

 };