/*

 * 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 ==

 *

 * FCKIcon Class: renders an icon from a single image, a strip or even a

 * spacer.

 */



var FCKIcon = function( iconPathOrStripInfoArray )

{

	var sTypeOf = iconPathOrStripInfoArray ? typeof( iconPathOrStripInfoArray ) : 'undefined' ;

	switch ( sTypeOf )

	{

		case 'number' :

			this.Path = FCKConfig.SkinPath + 'fck_strip.gif' ;

			this.Size = 16 ;

			this.Position = iconPathOrStripInfoArray ;

			break ;



		case 'undefined' :

			this.Path = FCK_SPACER_PATH ;

			break ;



		case 'string' :

			this.Path = iconPathOrStripInfoArray ;

			break ;



		default :

			// It is an array in the format [ StripFilePath, IconSize, IconPosition ]

			this.Path		= iconPathOrStripInfoArray[0] ;

			this.Size		= iconPathOrStripInfoArray[1] ;

			this.Position	= iconPathOrStripInfoArray[2] ;

	}

}



FCKIcon.prototype.CreateIconElement = function( document )

{

	var eIcon, eIconImage ;



	if ( this.Position )		// It is using an icons strip image.

	{

		var sPos = '-' + ( ( this.Position - 1 ) * this.Size ) + 'px' ;



		if ( FCKBrowserInfo.IsIE )

		{

			// <div class="TB_Button_Image"><img src="strip.gif" style="top:-16px"></div>



			eIcon = document.createElement( 'DIV' ) ;



			eIconImage = eIcon.appendChild( document.createElement( 'IMG' ) ) ;

			eIconImage.src = this.Path ;

			eIconImage.style.top = sPos ;

		}

		else

		{

			// <img class="TB_Button_Image" src="spacer.gif" style="background-position: 0px -16px;background-image: url(strip.gif);">



			eIcon = document.createElement( 'IMG' ) ;

			eIcon.src = FCK_SPACER_PATH ;

			eIcon.style.backgroundPosition	= '0px ' + sPos ;

			eIcon.style.backgroundImage		= 'url("' + this.Path + '")' ;

		}

	}

	else					// It is using a single icon image.

	{

		if ( FCKBrowserInfo.IsIE )

		{

			// IE makes the button 1px higher if using the <img> directly, so we

			// are changing to the <div> system to clip the image correctly.

			eIcon = document.createElement( 'DIV' ) ;



			eIconImage = eIcon.appendChild( document.createElement( 'IMG' ) ) ;

			eIconImage.src = this.Path ? this.Path : FCK_SPACER_PATH ;

		}

		else

		{

			// This is not working well with IE. See notes above.

			// <img class="TB_Button_Image" src="smiley.gif">

			eIcon = document.createElement( 'IMG' ) ;

			eIcon.src = this.Path ? this.Path : FCK_SPACER_PATH ;

		}

	}



	eIcon.className = 'TB_Button_Image' ;



	return eIcon ;

}