/*************************************************************************
 *
 *  $RCSfile: shadwhdl.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: dvo $ $Date: 2001-06-29 21:07:17 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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 for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

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

#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
#include <com/sun/star/uno/Any.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

#ifndef _XMLOFF_XMLTOKEN_HXX
#include <xmltoken.hxx>
#endif

using namespace ::rtl;
using namespace ::com::sun::star;
using namespace ::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;
}