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 *
 * 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: AxisHelper.cxx,v $
 * $Revision: 1.4.44.1 $
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 * 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).
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_chart2.hxx"

#include "AxisHelper.hxx"
#include "DiagramHelper.hxx"
#include "ChartTypeHelper.hxx"
#include "macros.hxx"
#include "AxisIndexDefines.hxx"
#include "LineProperties.hxx"
#include "ContainerHelper.hxx"
#include "servicenames_coosystems.hxx"
#include "DataSeriesHelper.hxx"
#include "Scaling.hxx"

#include <svtools/saveopt.hxx>

#include <com/sun/star/chart/ChartAxisPosition.hpp>

#include <com/sun/star/chart2/XCoordinateSystemContainer.hpp>
#include <com/sun/star/chart2/XChartTypeContainer.hpp>
#include <com/sun/star/chart2/XDataSeriesContainer.hpp>
#include <com/sun/star/chart2/data/XDataSource.hpp>

// header for class OUStringBuffer
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/util/XCloneable.hpp>
#include <com/sun/star/lang/XServiceName.hpp>

#include <map>

//.............................................................................
namespace chart
{
//.............................................................................
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;

//static
Reference< chart2::XScaling > AxisHelper::createLinearScaling()
{
    return new LinearScaling( 1.0, 0.0 );
}

//static
Reference< chart2::XScaling > AxisHelper::createLogarithmicScaling( double fBase )
{
    return new LogarithmicScaling( fBase );
}

//static
ScaleData AxisHelper::createDefaultScale()
{
    ScaleData aScaleData;
    aScaleData.AxisType = chart2::AxisType::REALNUMBER;
    Sequence< SubIncrement > aSubIncrements(1);
    aSubIncrements[0] = SubIncrement();
    aScaleData.IncrementData.SubIncrements = aSubIncrements;
    return aScaleData;
}

//static
void AxisHelper::removeExplicitScaling( ScaleData& rScaleData )
{
    uno::Any aEmpty;
    rScaleData.Minimum = rScaleData.Maximum = rScaleData.Origin = aEmpty;
    rScaleData.Scaling = 0;
}

//static
bool AxisHelper::isLogarithmic( const Reference< XScaling >& xScaling )
{
    bool bReturn = false;
    Reference< lang::XServiceName > xServiceName( xScaling, uno::UNO_QUERY );
    bReturn =( xServiceName.is() && (xServiceName->getServiceName()).equals(
              C2U( "com.sun.star.chart2.LogarithmicScaling" )));
    return bReturn;
}

//static
Reference< XAxis > AxisHelper::createAxis(
          sal_Int32 nDimensionIndex
        , sal_Int32 nAxisIndex // 0==main or 1==secondary axis
        , const Reference< XCoordinateSystem >& xCooSys
        , const Reference< uno::XComponentContext > & xContext
        , ReferenceSizeProvider * pRefSizeProvider )
{
    if( !xContext.is() || !xCooSys.is() )
        return NULL;
    if( nDimensionIndex >= xCooSys->getDimension() )
        return NULL;

    Reference< XAxis > xAxis( xContext->getServiceManager()->createInstanceWithContext(
                    C2U( "com.sun.star.chart2.Axis" ), xContext ), uno::UNO_QUERY );

    OSL_ASSERT( xAxis.is());
    if( xAxis.is())
    {
        xCooSys->setAxisByDimension( nDimensionIndex, xAxis, nAxisIndex );

        if( nAxisIndex>0 )//when inserting secondary axes copy some things from the main axis
        {
            ::com::sun::star::chart::ChartAxisPosition eNewAxisPos( ::com::sun::star::chart::ChartAxisPosition_END );

            Reference< XAxis > xMainAxis( xCooSys->getAxisByDimension( nDimensionIndex, 0 ) );
            if( xMainAxis.is() )
            {
                ScaleData aScale = xAxis->getScaleData();
                ScaleData aMainScale = xMainAxis->getScaleData();

                aScale.AxisType = aMainScale.AxisType;
                aScale.Categories = aMainScale.Categories;
                aScale.Orientation = aMainScale.Orientation;

                xAxis->setScaleData( aScale );

                //ensure that the second axis is not placed on the main axis
                Reference< beans::XPropertySet > xMainProp( xMainAxis, uno::UNO_QUERY );
                if( xMainProp.is() )
                {
                    ::com::sun::star::chart::ChartAxisPosition eMainAxisPos( ::com::sun::star::chart::ChartAxisPosition_ZERO );
                    xMainProp->getPropertyValue(C2U( "CrossoverPosition" )) >>= eMainAxisPos;
                    if( ::com::sun::star::chart::ChartAxisPosition_END == eMainAxisPos )
                        eNewAxisPos = ::com::sun::star::chart::ChartAxisPosition_START;
                }
            }

            Reference< beans::XPropertySet > xProp( xAxis, uno::UNO_QUERY );
            if( xProp.is() )
                xProp->setPropertyValue(C2U( "CrossoverPosition" ), uno::makeAny(eNewAxisPos) );
        }

        Reference< beans::XPropertySet > xProp( xAxis, uno::UNO_QUERY );
        if( xProp.is() ) try
        {
            // set correct initial AutoScale
            if( pRefSizeProvider )
                pRefSizeProvider->setValuesAtPropertySet( xProp );
        }
        catch( uno::Exception& e )
        {
            ASSERT_EXCEPTION( e );
        }
    }
    return xAxis;
}

//static
Reference< XAxis > AxisHelper::createAxis( sal_Int32 nDimensionIndex, bool bMainAxis
                , const Reference< chart2::XDiagram >& xDiagram
                , const Reference< uno::XComponentContext >& xContext
                , ReferenceSizeProvider * pRefSizeProvider )
{
    OSL_ENSURE( xContext.is(), "need a context to create an axis" );
    if( !xContext.is() )
        return NULL;

    sal_Int32 nAxisIndex = bMainAxis ? MAIN_AXIS_INDEX : SECONDARY_AXIS_INDEX;
    sal_Int32 nCooSysIndex = 0;
    Reference< XCoordinateSystem > xCooSys = AxisHelper::getCoordinateSystemByIndex( xDiagram, nCooSysIndex );

    // create axis
    return AxisHelper::createAxis(
        nDimensionIndex, nAxisIndex, xCooSys, xContext, pRefSizeProvider );
}

//static
void AxisHelper::showAxis( sal_Int32 nDimensionIndex, bool bMainAxis
                , const Reference< chart2::XDiagram >& xDiagram
                , const Reference< uno::XComponentContext >& xContext
                , ReferenceSizeProvider * pRefSizeProvider )
{
    if( !xDiagram.is() )
        return;

    bool bNewAxisCreated = false;
    Reference< XAxis > xAxis( AxisHelper::getAxis( nDimensionIndex, bMainAxis, xDiagram ) );
    if( !xAxis.is() && xContext.is() )
    {
        // create axis
        bNewAxisCreated = true;
        xAxis.set( AxisHelper::createAxis( nDimensionIndex, bMainAxis, xDiagram, xContext, pRefSizeProvider ) );
    }

    OSL_ASSERT( xAxis.is());
    if( !bNewAxisCreated ) //default is true already if created
        AxisHelper::makeAxisVisible( xAxis );
}

//static
void AxisHelper::showGrid( sal_Int32 nDimensionIndex, sal_Int32 nCooSysIndex, bool bMainGrid
                , const Reference< XDiagram >& xDiagram
                , const Reference< uno::XComponentContext >& /*xContext*/ )
{
    if( !xDiagram.is() )
        return;

    Reference< XCoordinateSystem > xCooSys = AxisHelper::getCoordinateSystemByIndex( xDiagram, nCooSysIndex );
    if(!xCooSys.is())
        return;

    Reference< XAxis > xAxis( AxisHelper::getAxis( nDimensionIndex, MAIN_AXIS_INDEX, xCooSys ) );
    if(!xAxis.is())
    {
        //hhhh todo create axis without axis visibility
    }
    if(!xAxis.is())
        return;

    if( bMainGrid )
        AxisHelper::makeGridVisible( xAxis->getGridProperties() );
    else
    {
        Sequence< Reference< beans::XPropertySet > > aSubGrids( xAxis->getSubGridProperties() );
        for( sal_Int32 nN=0; nN<aSubGrids.getLength(); nN++)
            AxisHelper::makeGridVisible( aSubGrids[nN] );
    }
}

//static
void AxisHelper::makeAxisVisible( const Reference< XAxis >& xAxis )
{
    Reference< beans::XPropertySet > xProps( xAxis, uno::UNO_QUERY );
    if( xProps.is() )
    {
        xProps->setPropertyValue( C2U( "Show" ), uno::makeAny( sal_True ) );
        LineProperties::SetLineVisible( xProps );
        xProps->setPropertyValue( C2U( "DisplayLabels" ), uno::makeAny( sal_True ) );
    }
}

//static
void AxisHelper::makeGridVisible( const Reference< beans::XPropertySet >& xGridProperties )
{
    if( xGridProperties.is() )
    {
        xGridProperties->setPropertyValue( C2U( "Show" ), uno::makeAny( sal_True ) );
        LineProperties::SetLineVisible( xGridProperties );
    }
}

//static
void AxisHelper::hideAxis( sal_Int32 nDimensionIndex, bool bMainAxis
                , const Reference< XDiagram >& xDiagram )
{
    AxisHelper::makeAxisInvisible( AxisHelper::getAxis( nDimensionIndex, bMainAxis, xDiagram ) );
}

//static
void AxisHelper::makeAxisInvisible( const Reference< XAxis >& xAxis )
{
    Reference< beans::XPropertySet > xProps( xAxis, uno::UNO_QUERY );
    if( xProps.is() )
    {
        xProps->setPropertyValue( C2U( "Show" ), uno::makeAny( sal_False ) );
    }
}

void AxisHelper::hideGrid( sal_Int32 nDimensionIndex, sal_Int32 nCooSysIndex, bool bMainGrid
                , const Reference< XDiagram >& xDiagram )
{
    if( !xDiagram.is() )
        return;

    Reference< XCoordinateSystem > xCooSys = AxisHelper::getCoordinateSystemByIndex( xDiagram, nCooSysIndex );
    if(!xCooSys.is())
        return;

    Reference< XAxis > xAxis( AxisHelper::getAxis( nDimensionIndex, MAIN_AXIS_INDEX, xCooSys ) );
    if(!xAxis.is())
        return;

    if( bMainGrid )
        AxisHelper::makeGridInvisible( xAxis->getGridProperties() );
    else
    {
        Sequence< Reference< beans::XPropertySet > > aSubGrids( xAxis->getSubGridProperties() );
        for( sal_Int32 nN=0; nN<aSubGrids.getLength(); nN++)
            AxisHelper::makeGridInvisible( aSubGrids[nN] );
    }
}

//static
void AxisHelper::makeGridInvisible( const Reference< beans::XPropertySet >& xGridProperties )
{
    if( xGridProperties.is() )
    {
        xGridProperties->setPropertyValue( C2U( "Show" ), uno::makeAny( sal_False ) );
    }
}

sal_Bool AxisHelper::isGridShown( sal_Int32 nDimensionIndex, sal_Int32 nCooSysIndex, bool bMainGrid
                , const Reference< ::com::sun::star::chart2::XDiagram >& xDiagram )
{
    sal_Bool bRet = false;

    Reference< XCoordinateSystem > xCooSys = AxisHelper::getCoordinateSystemByIndex( xDiagram, nCooSysIndex );
    if(!xCooSys.is())
        return bRet;

    Reference< XAxis > xAxis( AxisHelper::getAxis( nDimensionIndex, MAIN_AXIS_INDEX, xCooSys ) );
    if(!xAxis.is())
        return bRet;

    if( bMainGrid )
        bRet = AxisHelper::isGridVisible( xAxis->getGridProperties() );
    else
    {
        Sequence< Reference< beans::XPropertySet > > aSubGrids( xAxis->getSubGridProperties() );
        if( aSubGrids.getLength() )
            bRet = AxisHelper::isGridVisible( aSubGrids[0] );
    }

    return bRet;
}

//static
Reference< XCoordinateSystem > AxisHelper::getCoordinateSystemByIndex(
    const Reference< XDiagram >& xDiagram, sal_Int32 nIndex )
{
    Reference< XCoordinateSystemContainer > xCooSysContainer( xDiagram, uno::UNO_QUERY );
    if(!xCooSysContainer.is())
        return NULL;
    Sequence< Reference< XCoordinateSystem > > aCooSysList = xCooSysContainer->getCoordinateSystems();
    if(0<=nIndex && nIndex<aCooSysList.getLength())
        return aCooSysList[nIndex];
    return NULL;
}

//static
Reference< XAxis > AxisHelper::getAxis( sal_Int32 nDimensionIndex, bool bMainAxis
            , const Reference< XDiagram >& xDiagram )
{
    Reference< XAxis > xRet;
    try
    {
        Reference< XCoordinateSystem > xCooSys = AxisHelper::getCoordinateSystemByIndex( xDiagram, 0 );
        xRet.set( AxisHelper::getAxis( nDimensionIndex, bMainAxis ? 0 : 1, xCooSys ) );
    }
    catch( const uno::Exception & )
    {
    }
    return xRet;
}

//static
Reference< XAxis > AxisHelper::getAxis( sal_Int32 nDimensionIndex, sal_Int32 nAxisIndex
            , const Reference< XCoordinateSystem >& xCooSys )
{
    Reference< XAxis > xRet;
    try
    {
        if( xCooSys.is() )
            xRet.set( xCooSys->getAxisByDimension( nDimensionIndex, nAxisIndex ) );
    }
    catch( const uno::Exception & )
    {
    }
    return xRet;
}

//static
Reference< XAxis > AxisHelper::getCrossingMainAxis( const Reference< XAxis >& xAxis
            , const Reference< XCoordinateSystem >& xCooSys )
{
    sal_Int32 nDimensionIndex = 0;
    sal_Int32 nAxisIndex = 0;
    AxisHelper::getIndicesForAxis( xAxis, xCooSys, nDimensionIndex, nAxisIndex );
    if( 2==nDimensionIndex )
    {
        nDimensionIndex=1;
        bool bSwapXY = false;
        Reference< beans::XPropertySet > xCooSysProp( xCooSys, uno::UNO_QUERY );
        if( xCooSysProp.is() && (xCooSysProp->getPropertyValue( C2U("SwapXAndYAxis") ) >>= bSwapXY) && bSwapXY )
            nDimensionIndex=0;
    }
    else if( 1==nDimensionIndex )
        nDimensionIndex=0;
    else
        nDimensionIndex=1;
    return AxisHelper::getAxis( nDimensionIndex, 0, xCooSys );
}

//static
Reference< XAxis > AxisHelper::getParallelAxis( const Reference< XAxis >& xAxis
            , const Reference< XDiagram >& xDiagram )
{
    try
    {
        sal_Int32 nCooSysIndex=-1;
        sal_Int32 nDimensionIndex=-1;
        sal_Int32 nAxisIndex=-1;
        if( getIndicesForAxis( xAxis, xDiagram, nCooSysIndex, nDimensionIndex, nAxisIndex ) )
        {
            sal_Int32 nParallelAxisIndex = (nAxisIndex==1) ?0 :1;
            return getAxis( nDimensionIndex, nParallelAxisIndex, getCoordinateSystemByIndex( xDiagram, nCooSysIndex ) );
        }
    }
    catch( uno::RuntimeException& )
    {
    }
    return 0;
}

sal_Bool AxisHelper::isAxisShown( sal_Int32 nDimensionIndex, bool bMainAxis
            , const Reference< XDiagram >& xDiagram )
{
    return AxisHelper::isAxisVisible( AxisHelper::getAxis( nDimensionIndex, bMainAxis, xDiagram ) );
}

//static
sal_Bool AxisHelper::isAxisVisible( const Reference< XAxis >& xAxis )
{
    sal_Bool bRet = false;

    Reference< beans::XPropertySet > xProps( xAxis, uno::UNO_QUERY );
    if( xProps.is() )
    {
        xProps->getPropertyValue( C2U( "Show" ) ) >>= bRet;
        bRet = bRet && ( LineProperties::IsLineVisible( xProps )
            || areAxisLabelsVisible( xProps ) );
    }

    return bRet;
}

sal_Bool AxisHelper::areAxisLabelsVisible( const Reference< beans::XPropertySet >& xAxisProperties )
{
    sal_Bool bRet = false;
    if( xAxisProperties.is() )
    {
        xAxisProperties->getPropertyValue( C2U( "DisplayLabels" ) ) >>= bRet;
    }
    return bRet;
}

//static
sal_Bool AxisHelper::isGridVisible( const Reference< beans::XPropertySet >& xGridProperies )
{
    sal_Bool bRet = false;

    if( xGridProperies.is() )
    {
        xGridProperies->getPropertyValue( C2U( "Show" ) ) >>= bRet;
        bRet = bRet && LineProperties::IsLineVisible( xGridProperies );
    }

    return bRet;
}

//static
Reference< beans::XPropertySet > AxisHelper::getGridProperties(
            const Reference< XCoordinateSystem >& xCooSys
        , sal_Int32 nDimensionIndex, sal_Int32 nAxisIndex, sal_Int32 nSubGridIndex )
{
    Reference< beans::XPropertySet > xRet;

    Reference< XAxis > xAxis( AxisHelper::getAxis( nDimensionIndex, nAxisIndex, xCooSys ) );
    if( xAxis.is() )
    {
        if( nSubGridIndex<0 )
            xRet.set( xAxis->getGridProperties() );
        else
        {
            Sequence< Reference< beans::XPropertySet > > aSubGrids( xAxis->getSubGridProperties() );
            if( nSubGridIndex >= 0 && nSubGridIndex < aSubGrids.getLength() )
                xRet.set( aSubGrids[nSubGridIndex] );
        }
    }

    return xRet;
}

//static
sal_Int32 AxisHelper::getDimensionIndexOfAxis(
              const Reference< XAxis >& xAxis
            , const Reference< XDiagram >& xDiagram )
{
    sal_Int32 nDimensionIndex = -1;
    sal_Int32 nCooSysIndex = -1;
    sal_Int32 nAxisIndex = -1;
    AxisHelper::getIndicesForAxis( xAxis, xDiagram, nCooSysIndex , nDimensionIndex, nAxisIndex );
    return nDimensionIndex;
}

//static
bool AxisHelper::getIndicesForAxis(
              const Reference< XAxis >& xAxis
            , const Reference< XCoordinateSystem >& xCooSys
            , sal_Int32& rOutDimensionIndex, sal_Int32& rOutAxisIndex )
{
    //returns true if indices are found

    rOutDimensionIndex = -1;
    rOutAxisIndex = -1;

    if( xCooSys.is() && xAxis.is() )
    {
        Reference< XAxis > xCurrentAxis;
        sal_Int32 nDimensionCount( xCooSys->getDimension() );
        for( sal_Int32 nDimensionIndex = 0; nDimensionIndex < nDimensionCount; nDimensionIndex++ )
        {
            sal_Int32 nMaxAxisIndex = xCooSys->getMaximumAxisIndexByDimension(nDimensionIndex);
            for( sal_Int32 nAxisIndex = 0; nAxisIndex <= nMaxAxisIndex; nAxisIndex++ )
            {
                 xCurrentAxis = xCooSys->getAxisByDimension(nDimensionIndex,nAxisIndex);
                 if( xCurrentAxis == xAxis )
                 {
                     rOutDimensionIndex = nDimensionIndex;
                     rOutAxisIndex = nAxisIndex;
                     return true;
                 }
            }
        }
    }
    return false;
}

//static
bool AxisHelper::getIndicesForAxis( const Reference< XAxis >& xAxis, const Reference< XDiagram >& xDiagram
            , sal_Int32& rOutCooSysIndex, sal_Int32& rOutDimensionIndex, sal_Int32& rOutAxisIndex )
{
    //returns true if indices are found

    rOutCooSysIndex = -1;
    rOutDimensionIndex = -1;
    rOutAxisIndex = -1;

    Reference< XCoordinateSystemContainer > xCooSysContainer( xDiagram, uno::UNO_QUERY );
    if(xCooSysContainer.is())
    {
        Sequence< Reference< XCoordinateSystem > > aCooSysList = xCooSysContainer->getCoordinateSystems();
        for( sal_Int32 nC=0; nC<aCooSysList.getLength(); ++nC )
        {
            if( AxisHelper::getIndicesForAxis( xAxis, aCooSysList[nC], rOutDimensionIndex, rOutAxisIndex ) )
            {
                rOutCooSysIndex = nC;
                return true;
            }
        }
    }

    return false;
}

//static
std::vector< Reference< XAxis > > AxisHelper::getAllAxesOfCoordinateSystem(
      const Reference< XCoordinateSystem >& xCooSys
    , bool bOnlyVisible /* = false */ )
{
    std::vector< Reference< XAxis > > aAxisVector;

    if(xCooSys.is())
    {
        sal_Int32 nDimensionIndex = 0;
        sal_Int32 nMaxDimensionIndex = xCooSys->getDimension() -1;
        if( nMaxDimensionIndex>=0 )
        {
            for(nDimensionIndex=0; nDimensionIndex<=nMaxDimensionIndex; ++nDimensionIndex)
            {
                const sal_Int32 nMaximumAxisIndex = xCooSys->getMaximumAxisIndexByDimension(nDimensionIndex);
                for(sal_Int32 nAxisIndex=0; nAxisIndex<=nMaximumAxisIndex; ++nAxisIndex)
                {
                    try
                    {
                        Reference< XAxis > xAxis( xCooSys->getAxisByDimension( nDimensionIndex, nAxisIndex ) );
                        bool bAddAxis = true;
                        if( xAxis.is() )
                        {
                            if( bOnlyVisible )
                            {
                                Reference< beans::XPropertySet > xAxisProp( xAxis, uno::UNO_QUERY );
                                if( !xAxisProp.is() ||
                                    !(xAxisProp->getPropertyValue( C2U("Show")) >>= bAddAxis) )
                                    bAddAxis = false;
                            }
                            if( bAddAxis )
                                aAxisVector.push_back( xAxis );
                        }
                    }
                    catch( const uno::Exception & ex )
                    {
                        ASSERT_EXCEPTION( ex );
                    }
                }
            }
        }
    }

    return aAxisVector;
}

//static
Sequence< Reference< XAxis > > AxisHelper::getAllAxesOfDiagram(
      const Reference< XDiagram >& xDiagram
    , bool bOnlyVisible )
{
    std::vector< Reference< XAxis > > aAxisVector;

    Reference< XCoordinateSystemContainer > xCooSysContainer( xDiagram, uno::UNO_QUERY );
    if(xCooSysContainer.is())
    {
        Sequence< Reference< XCoordinateSystem > > aCooSysList = xCooSysContainer->getCoordinateSystems();
        sal_Int32 nC = 0;
        for( nC=0; nC<aCooSysList.getLength(); ++nC )
        {
            std::vector< Reference< XAxis > > aAxesPerCooSys( AxisHelper::getAllAxesOfCoordinateSystem( aCooSysList[nC], bOnlyVisible ) );
            aAxisVector.insert( aAxisVector.end(), aAxesPerCooSys.begin(), aAxesPerCooSys.end() );
        }
    }

    return ContainerHelper::ContainerToSequence( aAxisVector );
}

//static
Sequence< Reference< beans::XPropertySet > > AxisHelper::getAllGrids( const Reference< XDiagram >& xDiagram )
{
    Sequence< Reference< XAxis > > aAllAxes( AxisHelper::getAllAxesOfDiagram( xDiagram ) );
    std::vector< Reference< beans::XPropertySet > > aGridVector;

    sal_Int32 nA = 0;
    for( nA=0; nA<aAllAxes.getLength(); ++nA )
    {
        Reference< XAxis > xAxis( aAllAxes[nA] );
        if(!xAxis.is())
            continue;
        Reference< beans::XPropertySet > xGridProperties( xAxis->getGridProperties() );
        if( xGridProperties.is() )
            aGridVector.push_back( xGridProperties );

        Sequence< Reference< beans::XPropertySet > > aSubGrids( xAxis->getSubGridProperties() );;
        sal_Int32 nSubGrid = 0;
        for( nSubGrid = 0; nSubGrid < aSubGrids.getLength(); ++nSubGrid )
        {
            Reference< beans::XPropertySet > xSubGrid( aSubGrids[nSubGrid] );
            if( xSubGrid.is() )
                aGridVector.push_back( xSubGrid );
        }
    }

    return ContainerHelper::ContainerToSequence( aGridVector );
}

//static
void AxisHelper::getAxisOrGridPossibilities( Sequence< sal_Bool >& rPossibilityList
        , const Reference< XDiagram>& xDiagram, sal_Bool bAxis )
{
    rPossibilityList.realloc(6);

    sal_Int32 nDimensionCount = DiagramHelper::getDimension( xDiagram );

    //set possibilities:
    sal_Int32 nIndex=0;
    Reference< XChartType > xChartType = DiagramHelper::getChartTypeByIndex( xDiagram, 0 );
    for(nIndex=0;nIndex<3;nIndex++)
        rPossibilityList[nIndex]=ChartTypeHelper::isSupportingMainAxis(xChartType,nDimensionCount,nIndex);
    for(nIndex=3;nIndex<6;nIndex++)
        if( bAxis )
            rPossibilityList[nIndex]=ChartTypeHelper::isSupportingSecondaryAxis(xChartType,nDimensionCount,nIndex-3);
        else
            rPossibilityList[nIndex] = rPossibilityList[nIndex-3];
}

//static
bool AxisHelper::isSecondaryYAxisNeeded( const Reference< XCoordinateSystem >& xCooSys )
{
    Reference< chart2::XChartTypeContainer > xCTCnt( xCooSys, uno::UNO_QUERY );
    if( xCTCnt.is() )
    {
        Sequence< Reference< chart2::XChartType > > aChartTypes( xCTCnt->getChartTypes() );
        for( sal_Int32 i=0; i<aChartTypes.getLength(); ++i )
        {
            Reference< XDataSeriesContainer > xSeriesContainer( aChartTypes[i] , uno::UNO_QUERY );
            if( !xSeriesContainer.is() )
                    continue;

            Sequence< Reference< XDataSeries > > aSeriesList( xSeriesContainer->getDataSeries() );
            for( sal_Int32 nS = aSeriesList.getLength(); nS-- ; )
            {
                Reference< beans::XPropertySet > xProp( aSeriesList[nS], uno::UNO_QUERY );
                if(xProp.is())
                {
                    sal_Int32 nAttachedAxisIndex = 0;
                    if( ( xProp->getPropertyValue( C2U( "AttachedAxisIndex" ) ) >>= nAttachedAxisIndex ) && nAttachedAxisIndex>0 )
                        return true;
                }
            }
        }
    }
    return false;
}

//static
bool AxisHelper::shouldAxisBeDisplayed( const Reference< XAxis >& xAxis
                                       , const Reference< XCoordinateSystem >& xCooSys )
{
    bool bRet = false;

    if( xAxis.is() && xCooSys.is() )
    {
        sal_Int32 nDimensionIndex=-1;
        sal_Int32 nAxisIndex=-1;
        if( AxisHelper::getIndicesForAxis( xAxis, xCooSys, nDimensionIndex, nAxisIndex ) )
        {
            sal_Int32 nDimensionCount = xCooSys->getDimension();
            Reference< XChartType > xChartType( AxisHelper::getChartTypeByIndex( xCooSys, 0 ) );

            bool bMainAxis = (nAxisIndex==MAIN_AXIS_INDEX);
            if( bMainAxis )
                bRet = ChartTypeHelper::isSupportingMainAxis(xChartType,nDimensionCount,nDimensionIndex);
            else
                bRet = ChartTypeHelper::isSupportingSecondaryAxis(xChartType,nDimensionCount,nDimensionIndex);
        }
    }

    return bRet;
}

//static
void AxisHelper::getAxisOrGridExcistence( Sequence< sal_Bool >& rExistenceList
        , const Reference< XDiagram>& xDiagram, sal_Bool bAxis )
{
    rExistenceList.realloc(6);

    if(bAxis)
    {
        sal_Int32 nN;
        Reference< XAxis > xAxis;
        for(nN=0;nN<3;nN++)
            rExistenceList[nN] = AxisHelper::isAxisShown( nN, true, xDiagram );
        for(nN=3;nN<6;nN++)
            rExistenceList[nN] = AxisHelper::isAxisShown( nN%3, false, xDiagram );
    }
    else
    {
        sal_Int32 nN;

        for(nN=0;nN<3;nN++)
            rExistenceList[nN] = AxisHelper::isGridShown( nN, 0, true, xDiagram );
        for(nN=3;nN<6;nN++)
            rExistenceList[nN] = AxisHelper::isGridShown( nN%3, 0, false, xDiagram );
    }
}

//static
bool AxisHelper::changeVisibilityOfAxes( const Reference< XDiagram >& xDiagram
                        , const Sequence< sal_Bool >& rOldExistenceList
                        , const Sequence< sal_Bool >& rNewExistenceList
                        , const Reference< uno::XComponentContext >& xContext
                        , ReferenceSizeProvider * pRefSizeProvider )
{
    bool bChanged = false;
    for(sal_Int32 nN=0;nN<6;nN++)
    {
        if(rOldExistenceList[nN]!=rNewExistenceList[nN])
        {
            bChanged = true;
            if(rNewExistenceList[nN])
            {
                AxisHelper::showAxis( nN%3, nN<3, xDiagram, xContext, pRefSizeProvider );
            }
            else
                AxisHelper::hideAxis( nN%3, nN<3, xDiagram );
        }
    }
    return bChanged;
}

//static
bool AxisHelper::changeVisibilityOfGrids( const Reference< XDiagram >& xDiagram
                        , const Sequence< sal_Bool >& rOldExistenceList
                        , const Sequence< sal_Bool >& rNewExistenceList
                        , const Reference< uno::XComponentContext >& xContext )
{
    bool bChanged = false;
    for(sal_Int32 nN=0;nN<6;nN++)
    {
        if(rOldExistenceList[nN]!=rNewExistenceList[nN])
        {
            bChanged = true;
            if(rNewExistenceList[nN])
                AxisHelper::showGrid( nN%3, 0, nN<3, xDiagram, xContext );
            else
                AxisHelper::hideGrid( nN%3, 0, nN<3, xDiagram );
        }
    }
    return bChanged;
}

//static
Reference< XCoordinateSystem > AxisHelper::getCoordinateSystemOfAxis(
              const Reference< XAxis >& xAxis
            , const Reference< XDiagram >& xDiagram )
{
    Reference< XCoordinateSystem > xRet;

    Reference< XCoordinateSystemContainer > xCooSysContainer( xDiagram, uno::UNO_QUERY );
    if( xCooSysContainer.is() )
    {
        Reference< XCoordinateSystem > xCooSys;
        Sequence< Reference< XCoordinateSystem > > aCooSysList( xCooSysContainer->getCoordinateSystems() );
        for( sal_Int32 nCooSysIndex = 0; nCooSysIndex < aCooSysList.getLength(); ++nCooSysIndex )
        {
            xCooSys = aCooSysList[nCooSysIndex];
            std::vector< Reference< XAxis > > aAllAxis( AxisHelper::getAllAxesOfCoordinateSystem( xCooSys ) );

            ::std::vector< Reference< XAxis > >::iterator aFound =
                  ::std::find( aAllAxis.begin(), aAllAxis.end(), xAxis );
            if( aFound != aAllAxis.end())
            {
                xRet.set( xCooSys );
                break;
            }
        }
    }
    return xRet;
}

Reference< XChartType > AxisHelper::getChartTypeByIndex( const Reference< XCoordinateSystem >& xCooSys, sal_Int32 nIndex )
{
    Reference< XChartType > xChartType;

    Reference< XChartTypeContainer > xChartTypeContainer( xCooSys, uno::UNO_QUERY );
    if( xChartTypeContainer.is() )
    {
        Sequence< Reference< XChartType > > aChartTypeList( xChartTypeContainer->getChartTypes() );
        if( nIndex >= 0 && nIndex < aChartTypeList.getLength() )
            xChartType.set( aChartTypeList[nIndex] );
    }

    return xChartType;
}

void AxisHelper::setRTLAxisLayout( const Reference< XCoordinateSystem >& xCooSys )
{
    if( xCooSys.is() )
    {
        bool bCartesian = xCooSys->getViewServiceName().equals( CHART2_COOSYSTEM_CARTESIAN_VIEW_SERVICE_NAME );
        if( bCartesian )
        {
            bool bVertical = false;
            Reference< beans::XPropertySet > xCooSysProp( xCooSys, uno::UNO_QUERY );
            if( xCooSysProp.is() )
                xCooSysProp->getPropertyValue( C2U("SwapXAndYAxis") ) >>= bVertical;

            sal_Int32 nHorizontalAxisDimension = bVertical ? 1 : 0;
            sal_Int32 nVerticalAxisDimension = bVertical ? 0 : 1;

            try
            {
                //reverse direction for horizontal main axis
                Reference< chart2::XAxis > xHorizontalMainAxis( AxisHelper::getAxis( nHorizontalAxisDimension, MAIN_AXIS_INDEX, xCooSys ) );
                if( xHorizontalMainAxis.is() )
                {
                    chart2::ScaleData aScale = xHorizontalMainAxis->getScaleData();
                    aScale.Orientation = chart2::AxisOrientation_REVERSE;
                    xHorizontalMainAxis->setScaleData(aScale);
                }

                //mathematical direction for vertical main axis
                Reference< chart2::XAxis > xVerticalMainAxis( AxisHelper::getAxis( nVerticalAxisDimension, MAIN_AXIS_INDEX, xCooSys ) );
                if( xVerticalMainAxis.is() )
                {
                    chart2::ScaleData aScale = xVerticalMainAxis->getScaleData();
                    aScale.Orientation = chart2::AxisOrientation_MATHEMATICAL;
                    xVerticalMainAxis->setScaleData(aScale);
                }
            }
            catch( uno::Exception & ex )
            {
                ASSERT_EXCEPTION( ex );
            }

            try
            {
                //reverse direction for horizontal secondary axis
                Reference< chart2::XAxis > xHorizontalSecondaryAxis( AxisHelper::getAxis( nHorizontalAxisDimension, SECONDARY_AXIS_INDEX, xCooSys ) );
                if( xHorizontalSecondaryAxis.is() )
                {
                    chart2::ScaleData aScale = xHorizontalSecondaryAxis->getScaleData();
                    aScale.Orientation = chart2::AxisOrientation_REVERSE;
                    xHorizontalSecondaryAxis->setScaleData(aScale);
                }

                //mathematical direction for vertical secondary axis
                Reference< chart2::XAxis > xVerticalSecondaryAxis( AxisHelper::getAxis( nVerticalAxisDimension, SECONDARY_AXIS_INDEX, xCooSys ) );
                if( xVerticalSecondaryAxis.is() )
                {
                    chart2::ScaleData aScale = xVerticalSecondaryAxis->getScaleData();
                    aScale.Orientation = chart2::AxisOrientation_MATHEMATICAL;
                    xVerticalSecondaryAxis->setScaleData(aScale);
                }
            }
            catch( uno::Exception & ex )
            {
                ASSERT_EXCEPTION( ex );
            }
        }
    }
}

Reference< XChartType > AxisHelper::getFirstChartTypeWithSeriesAttachedToAxisIndex( const Reference< chart2::XDiagram >& xDiagram, const sal_Int32 nAttachedAxisIndex )
{
    Reference< XChartType > xChartType;
    ::std::vector< Reference< XDataSeries > > aSeriesVector( DiagramHelper::getDataSeriesFromDiagram( xDiagram ) );
    ::std::vector< Reference< XDataSeries > >::const_iterator aIter = aSeriesVector.begin();
    for( ; aIter != aSeriesVector.end(); aIter++ )
    {
        sal_Int32 nCurrentIndex = DataSeriesHelper::getAttachedAxisIndex( *aIter );
        if( nAttachedAxisIndex == nCurrentIndex )
        {
            xChartType = DiagramHelper::getChartTypeOfSeries( xDiagram, *aIter );
            if(xChartType.is())
                break;
        }
    }
    return xChartType;
}

bool AxisHelper::isAxisPositioningEnabled()
{
    const SvtSaveOptions::ODFDefaultVersion nCurrentVersion( SvtSaveOptions().GetODFDefaultVersion() );
    return nCurrentVersion >= SvtSaveOptions::ODFVER_012;
}

//.............................................................................
} //namespace chart
//.............................................................................