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#include "XMLErrorIndicatorPropertyHdl.hxx"

#include "xmluconv.hxx"
#include <com/sun/star/chart/ChartErrorIndicatorType.hpp>
#include <rtl/ustrbuf.hxx>
namespace binfilter {

using namespace ::com::sun::star;

XMLErrorIndicatorPropertyHdl::~XMLErrorIndicatorPropertyHdl()
{}

sal_Bool XMLErrorIndicatorPropertyHdl::importXML( const ::rtl::OUString& rStrImpValue,
                                                  uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{
    sal_Bool bValue;
    SvXMLUnitConverter::convertBool( bValue, rStrImpValue );

    // modify existing value
    chart::ChartErrorIndicatorType eType = chart::ChartErrorIndicatorType_NONE;
    if( rValue.hasValue())
        rValue >>= eType;

    if( bValue )	// enable flag
    {
        if( eType != chart::ChartErrorIndicatorType_TOP_AND_BOTTOM )
        {
            if( mbUpperIndicator )
                eType = ( eType == chart::ChartErrorIndicatorType_LOWER )
                    ? chart::ChartErrorIndicatorType_TOP_AND_BOTTOM
                    : chart::ChartErrorIndicatorType_UPPER;
            else
                eType = ( eType == chart::ChartErrorIndicatorType_UPPER )
                    ? chart::ChartErrorIndicatorType_TOP_AND_BOTTOM
                    : chart::ChartErrorIndicatorType_LOWER;
        }
    }
    else			// disable flag
    {
        if( eType != chart::ChartErrorIndicatorType_NONE )
        {
            if( mbUpperIndicator )
                eType = ( eType == chart::ChartErrorIndicatorType_UPPER )
                    ? chart::ChartErrorIndicatorType_NONE
                    : chart::ChartErrorIndicatorType_LOWER;
            else
                eType = ( eType == chart::ChartErrorIndicatorType_LOWER )
                    ? chart::ChartErrorIndicatorType_NONE
                    : chart::ChartErrorIndicatorType_UPPER;
        }
    }

    rValue <<= eType;

    return sal_True;
}

sal_Bool XMLErrorIndicatorPropertyHdl::exportXML( ::rtl::OUString& rStrExpValue,
                                                  const uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{
    ::rtl::OUStringBuffer aBuffer;
    chart::ChartErrorIndicatorType eType;

    rValue >>= eType;
    sal_Bool bValue = ( eType == chart::ChartErrorIndicatorType_TOP_AND_BOTTOM ||
                        ( mbUpperIndicator
                          ? ( eType == chart::ChartErrorIndicatorType_UPPER )
                          : ( eType == chart::ChartErrorIndicatorType_LOWER )));

    if( bValue )
    {
        SvXMLUnitConverter::convertBool( aBuffer, bValue );
        rStrExpValue = aBuffer.makeStringAndClear();
    }

    // only export if set to true
    return bValue;
}
}//end of namespace binfilter

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