/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: xmloff_shadwhdl.cxx,v $
 * $Revision: 1.5 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _XMLOFF_PROPERTYHANDLER_SHADOWTYPES_HXX
#include "shadwhdl.hxx"
#endif


#ifndef _RTL_USTRBUF_HXX_ 
#include <rtl/ustrbuf.hxx>
#endif

// --

#ifndef _COM_SUN_STAR_TABLE_SHADOWFORMAT_HPP_
#include <com/sun/star/table/ShadowFormat.hpp>
#endif

#ifndef _XMLOFF_XMLUCONV_HXX 
#include "xmluconv.hxx"
#endif

namespace binfilter {

using namespace ::rtl;
using namespace ::com::sun::star;
using namespace ::binfilter::xmloff::token;

///////////////////////////////////////////////////////////////////////////////
//
// class XMLMeasurePropHdl
//

XMLShadowPropHdl::~XMLShadowPropHdl()
{
	// nothing to do
}

sal_Bool XMLShadowPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{ 
	sal_Bool bRet = sal_False;
	table::ShadowFormat aShadow;
	aShadow.Location = table::ShadowLocation_BOTTOM_RIGHT;

	sal_Bool bColorFound = sal_False;
	sal_Bool bOffsetFound = sal_False;
	SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
	Color aColor( 128,128, 128 );
	OUString aToken;

	while( aTokenEnum.getNextToken( aToken ) )
	{
		if( IsXMLToken( aToken, XML_NONE ) )
		{
			aShadow.Location = table::ShadowLocation_NONE;
			bRet = sal_True;
			break;
		}
		else if( !bColorFound && aToken.compareToAscii( "#", 1 ) == 0 )
		{
			bRet = rUnitConverter.convertColor( aColor, aToken );
			if( !bRet )
				return sal_False;

			bColorFound = sal_True;
		}
		else if( !bOffsetFound )
		{
			sal_Int32 nX = 0, nY = 0;

			bRet = rUnitConverter.convertMeasure( nX, aToken );
			if( bRet && aTokenEnum.getNextToken( aToken ) )
				bRet = rUnitConverter.convertMeasure( nY, aToken );

			if( bRet )
			{
				if( nX < 0 )
				{
					if( nY < 0 )
						aShadow.Location = table::ShadowLocation_TOP_LEFT;
					else
						aShadow.Location = table::ShadowLocation_BOTTOM_LEFT;
				}
				else
				{
					if( nY < 0 )
						aShadow.Location = table::ShadowLocation_TOP_RIGHT;
					else
						aShadow.Location = table::ShadowLocation_BOTTOM_RIGHT;
				}

				if( nX < 0 ) nX *= -1;
				if( nY < 0 ) nY *= -1;

				aShadow.ShadowWidth = (nX + nY) >> 1;
			}
		}
	}

	if( bRet && ( bColorFound || bOffsetFound ) )
	{
		aShadow.IsTransparent = aColor.GetTransparency() > 0;
		aShadow.Color = aColor.GetColor();
		bRet = sal_True;
	}

	rValue <<= aShadow;

	return bRet; 
}

sal_Bool XMLShadowPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{ 
	sal_Bool bRet = sal_False;
  	OUStringBuffer aOut;
	table::ShadowFormat aShadow;

	if( rValue >>= aShadow )
	{
		sal_Int32 nX = 1, nY = 1;
		
		switch( aShadow.Location )
		{
			case table::ShadowLocation_TOP_LEFT:
				nX = -1;
				nY = -1;
				break;
			case table::ShadowLocation_TOP_RIGHT:
				nY = -1;
				break;
			case table::ShadowLocation_BOTTOM_LEFT:
				nX = -1;
				break;
			case table::ShadowLocation_BOTTOM_RIGHT:
				break;
			case table::ShadowLocation_NONE:
			default:
				rStrExpValue = GetXMLToken(XML_NONE);
				return sal_True;
		}

		nX *= aShadow.ShadowWidth;
		nY *= aShadow.ShadowWidth;

		rUnitConverter.convertColor( aOut, aShadow.Color );

		aOut.append( sal_Unicode(' ') );
		rUnitConverter.convertMeasure( aOut, nX );
		aOut.append( sal_Unicode(' ') );
		rUnitConverter.convertMeasure( aOut, nY );

		rStrExpValue = aOut.makeStringAndClear();

		bRet = sal_True;
	}

	return bRet;
}
}//end of namespace binfilter
