ColorPerPointHelper.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <ColorPerPointHelper.hxx>
#include <DataSeries.hxx>
#include <DataSeriesProperties.hxx>
#include <com/sun/star/chart2/XDataSeries.hpp>
#include <com/sun/star/beans/XPropertyState.hpp>
 
#include <algorithm>
 
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using namespace ::chart::DataSeriesProperties;
 
namespace chart
{
 
bool ColorPerPointHelper::hasPointOwnColor(
        const rtl::Reference< DataSeries >& xDataSeries
        , sal_Int32 nPointIndex
        , const css::uno::Reference< css::beans::XPropertySet >& xDataPointProperties //may be NULL this is just for performance
         )
{
    if( !xDataSeries.is() )
        return false;
 
    if( hasPointOwnProperties( xDataSeries, nPointIndex ))
    {
        uno::Reference< beans::XPropertyState > xPointState( xDataPointProperties, uno::UNO_QUERY );
        if( !xPointState.is() )
        {
            xPointState.set( xDataSeries->getDataPointByIndex( nPointIndex ), uno::UNO_QUERY );
        }
        if( !xPointState.is() )
            return false;
 
        return (xPointState->getPropertyState( "Color") != beans::PropertyState_DEFAULT_VALUE );
    }
 
    return false;
}
 
bool ColorPerPointHelper::hasPointOwnProperties(
    const rtl::Reference< ::chart::DataSeries >& xDataSeries
    , sal_Int32 nPointIndex )
{
    if( xDataSeries.is() )
    {
        uno::Sequence< sal_Int32 > aIndexList;
        if( xDataSeries->getFastPropertyValue( PROP_DATASERIES_ATTRIBUTED_DATA_POINTS ) >>= aIndexList ) // "AttributedDataPoints"
        {
            const sal_Int32 * pBegIt = aIndexList.getConstArray();
            const sal_Int32 * pEndIt = pBegIt + aIndexList.getLength();
            return ( std::find( pBegIt, pEndIt, nPointIndex ) != pEndIt );
        }
    }
 
    return false;
}
 
} //namespace chart
 
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