/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .

 */

#include <AxisItemConverter.hxx>

#include <ItemPropertyMap.hxx>

#include <CharacterPropertyItemConverter.hxx>

#include <GraphicPropertyItemConverter.hxx>

#include <chartview/ChartSfxItemIds.hxx>

#include <chartview/ExplicitScaleValues.hxx>

#include "SchWhichPairs.hxx"

#include <ChartModel.hxx>

#include <Axis.hxx>

#include <AxisHelper.hxx>

#include <CommonConverters.hxx>

#include <ChartType.hxx>

#include <Diagram.hxx>

#include <unonames.hxx>

#include <BaseCoordinateSystem.hxx>

#include <ChartView.hxx>

#include <memory>

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

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

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

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

#include <com/sun/star/chart2/AxisOrientation.hpp>

#include <com/sun/star/chart2/AxisType.hpp>

#include <osl/diagnose.h>

#include <o3tl/any.hxx>

#include <svl/eitem.hxx>

#include <svx/chrtitem.hxx>

#include <svx/sdangitm.hxx>

#include <svl/intitem.hxx>

#include <rtl/math.hxx>

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

using namespace ::com::sun::star::chart2;

using ::com::sun::star::uno::Reference;

using ::com::sun::star::chart::TimeInterval;

using ::com::sun::star::chart::TimeIncrement;

namespace chart::wrapper {

namespace {

ItemPropertyMapType & lcl_GetAxisPropertyMap()

{

    static ItemPropertyMapType aAxisPropertyMap{

        {SCHATTR_AXIS_SHOWDESCR,     {"DisplayLabels",    0}},

        {SCHATTR_AXIS_TICKS,         {"MajorTickmarks",   0}},

        {SCHATTR_AXIS_HELPTICKS,     {"MinorTickmarks",   0}},

        {SCHATTR_AXIS_LABEL_ORDER,   {"ArrangeOrder",     0}},

        {SCHATTR_TEXT_STACKED,       {"StackCharacters",  0}},

        {SCHATTR_AXIS_LABEL_BREAK,   {"TextBreak",        0}},

        {SCHATTR_AXIS_LABEL_OVERLAP, {"TextOverlap",      0}}};

    return aAxisPropertyMap;

};

} // anonymous namespace

AxisItemConverter::AxisItemConverter(

    const Reference< beans::XPropertySet > & rPropertySet,

    SfxItemPool& rItemPool,

    SdrModel& rDrawModel,

    const rtl::Reference<::chart::ChartModel> & xChartDoc,

    ::chart::ExplicitScaleData const * pScale /* = NULL */,

    ::chart::ExplicitIncrementData const * pIncrement /* = NULL */,

    const std::optional<awt::Size>& pRefSize ) :

        ItemConverter( rPropertySet, rItemPool ),

        m_xChartDoc( xChartDoc )

{

    if( pScale )

        m_pExplicitScale.reset( new ::chart::ExplicitScaleData( *pScale ) );

    if( pIncrement )

        m_pExplicitIncrement.reset( new ::chart::ExplicitIncrementData( *pIncrement ) );

    m_aConverters.emplace_back( new GraphicPropertyItemConverter(

                                 rPropertySet, rItemPool, rDrawModel,

                                 xChartDoc,

                                 GraphicObjectType::LineProperties ));

    m_aConverters.emplace_back(

        new CharacterPropertyItemConverter(rPropertySet, rItemPool, pRefSize, u"ReferencePageSize"_ustr));

    m_xAxis = dynamic_cast<::chart::Axis*>(rPropertySet.get());

    assert(m_xAxis);

}

AxisItemConverter::~AxisItemConverter()

{

}

void AxisItemConverter::FillItemSet( SfxItemSet & rOutItemSet ) const

{

    for( const auto& pConv : m_aConverters )

        pConv->FillItemSet( rOutItemSet );

    // own items

    ItemConverter::FillItemSet( rOutItemSet );

}

bool AxisItemConverter::ApplyItemSet( const SfxItemSet & rItemSet )

{

    bool bResult = false;

    for( const auto& pConv : m_aConverters )

        bResult = pConv->ApplyItemSet( rItemSet ) || bResult;

    // own items

    return ItemConverter::ApplyItemSet( rItemSet ) || bResult;

}

const WhichRangesContainer& AxisItemConverter::GetWhichPairs() const

{

    // must span all used items!

    return nAxisWhichPairs;

}

bool AxisItemConverter::GetItemProperty( tWhichIdType nWhichId, tPropertyNameWithMemberId & rOutProperty ) const

{

    ItemPropertyMapType & rMap( lcl_GetAxisPropertyMap());

    ItemPropertyMapType::const_iterator aIt( rMap.find( nWhichId ));

    if( aIt == rMap.end())

        return false;

    rOutProperty =(*aIt).second;

    return true;

}

static bool lcl_hasTimeIntervalValue( const uno::Any& rAny )

{

    bool bRet = false;

    TimeInterval aValue;

    if( rAny >>= aValue )

        bRet = true;

    return bRet;

}

void AxisItemConverter::FillSpecialItem( sal_uInt16 nWhichId, SfxItemSet & rOutItemSet ) const

{

    if( !m_xAxis.is() )

        return;

    const chart2::ScaleData      aScale( m_xAxis->getScaleData() );

    const chart2::IncrementData& rIncrement( aScale.IncrementData );

    const uno::Sequence< chart2::SubIncrement >& rSubIncrements( aScale.IncrementData.SubIncrements );

    const TimeIncrement& rTimeIncrement( aScale.TimeIncrement );

    bool bDateAxis = (aScale.AxisType == chart2::AxisType::DATE);

    if( m_pExplicitScale )

        bDateAxis = (m_pExplicitScale->AxisType == chart2::AxisType::DATE);

    switch( nWhichId )

    {

        case SCHATTR_AXIS_AUTO_MAX:

                rOutItemSet.Put( SfxBoolItem( nWhichId, !hasDoubleValue(aScale.Maximum) ) );

            break;

        case SCHATTR_AXIS_MAX:

            {

                double fMax = 10.0;

                if( aScale.Maximum >>= fMax )

                    rOutItemSet.Put( SvxDoubleItem( fMax, SCHATTR_AXIS_MAX ) );

                else

                {

                    if( m_pExplicitScale )

                        fMax = m_pExplicitScale->Maximum;

                    rOutItemSet.Put( SvxDoubleItem( fMax, SCHATTR_AXIS_MAX ) );

                }

            }

            break;

        case SCHATTR_AXIS_AUTO_MIN:

                rOutItemSet.Put( SfxBoolItem( nWhichId, !hasDoubleValue(aScale.Minimum) ) );

            break;

        case SCHATTR_AXIS_MIN:

            {

                double fMin = 0.0;

                if( aScale.Minimum >>= fMin )

                    rOutItemSet.Put( SvxDoubleItem( fMin, SCHATTR_AXIS_MIN ) );

                else if( m_pExplicitScale )

                    rOutItemSet.Put( SvxDoubleItem( m_pExplicitScale->Minimum, SCHATTR_AXIS_MIN ));

            }

            break;

        case SCHATTR_AXIS_LOGARITHM:

            {

                bool bValue = AxisHelper::isLogarithmic( aScale.Scaling );

                rOutItemSet.Put( SfxBoolItem( nWhichId, bValue ));

            }

            break;

        case SCHATTR_AXIS_REVERSE:

                rOutItemSet.Put( SfxBoolItem( nWhichId, (aScale.Orientation == AxisOrientation_REVERSE) ));

            break;

        // Increment

        case SCHATTR_AXIS_AUTO_STEP_MAIN:

            if( bDateAxis )

                rOutItemSet.Put( SfxBoolItem( nWhichId, !lcl_hasTimeIntervalValue(rTimeIncrement.MajorTimeInterval) ) );

            else

                rOutItemSet.Put( SfxBoolItem( nWhichId, !hasDoubleValue(rIncrement.Distance) ) );

            break;

        case SCHATTR_AXIS_MAIN_TIME_UNIT:

            {

                TimeInterval aTimeInterval;

                if( rTimeIncrement.MajorTimeInterval >>= aTimeInterval )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, aTimeInterval.TimeUnit ) );

                else if( m_pExplicitIncrement )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, m_pExplicitIncrement->MajorTimeInterval.TimeUnit ) );

            }

            break;

        case SCHATTR_AXIS_STEP_MAIN:

            if( bDateAxis )

            {

                TimeInterval aTimeInterval;

                if( rTimeIncrement.MajorTimeInterval >>= aTimeInterval )

                    rOutItemSet.Put( SvxDoubleItem(aTimeInterval.Number, SCHATTR_AXIS_STEP_MAIN ));

                else if( m_pExplicitIncrement )

                    rOutItemSet.Put( SvxDoubleItem( m_pExplicitIncrement->MajorTimeInterval.Number, SCHATTR_AXIS_STEP_MAIN ));

            }

            else

            {

                double fDistance = 1.0;

                if( rIncrement.Distance >>= fDistance )

                    rOutItemSet.Put( SvxDoubleItem(fDistance, SCHATTR_AXIS_STEP_MAIN ));

                else if( m_pExplicitIncrement )

                    rOutItemSet.Put( SvxDoubleItem( m_pExplicitIncrement->Distance, SCHATTR_AXIS_STEP_MAIN ));

            }

            break;

        // SubIncrement

        case SCHATTR_AXIS_AUTO_STEP_HELP:

            if( bDateAxis )

                rOutItemSet.Put( SfxBoolItem( nWhichId, !lcl_hasTimeIntervalValue(rTimeIncrement.MinorTimeInterval) ) );

            else

                rOutItemSet.Put( SfxBoolItem( nWhichId,

                    ! ( rSubIncrements.hasElements() && rSubIncrements[0].IntervalCount.hasValue() )));

            break;

        case SCHATTR_AXIS_HELP_TIME_UNIT:

            {

                TimeInterval aTimeInterval;

                if( rTimeIncrement.MinorTimeInterval >>= aTimeInterval )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, aTimeInterval.TimeUnit ) );

                else if( m_pExplicitIncrement )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, m_pExplicitIncrement->MinorTimeInterval.TimeUnit ) );

            }

            break;

        case SCHATTR_AXIS_STEP_HELP:

            if( bDateAxis )

            {

                TimeInterval aTimeInterval;

                if( rTimeIncrement.MinorTimeInterval >>= aTimeInterval )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, aTimeInterval.Number ));

                else if( m_pExplicitIncrement )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, m_pExplicitIncrement->MinorTimeInterval.Number ));

            }

            else

            {

                if( rSubIncrements.hasElements() && rSubIncrements[0].IntervalCount.hasValue())

                {

                    rOutItemSet.Put( SfxInt32Item( nWhichId,

                            *o3tl::doAccess<sal_Int32>(

                                rSubIncrements[0].IntervalCount) ));

                }

                else

                {

                    if( m_pExplicitIncrement && !m_pExplicitIncrement->SubIncrements.empty() )

                    {

                        rOutItemSet.Put( SfxInt32Item( nWhichId,

                                m_pExplicitIncrement->SubIncrements[0].IntervalCount ));

                    }

                }

            }

            break;

        case SCHATTR_AXIS_AUTO_TIME_RESOLUTION:

            {

                rOutItemSet.Put( SfxBoolItem( nWhichId,

                        !rTimeIncrement.TimeResolution.hasValue() ));

            }

            break;

        case SCHATTR_AXIS_TIME_RESOLUTION:

            {

                sal_Int32 nTimeResolution=0;

                if( rTimeIncrement.TimeResolution >>= nTimeResolution )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, nTimeResolution ) );

                else if( m_pExplicitScale )

                    rOutItemSet.Put( SfxInt32Item( nWhichId, m_pExplicitScale->TimeResolution ) );

            }

            break;

        case SCHATTR_AXIS_AUTO_ORIGIN:

        {

            rOutItemSet.Put( SfxBoolItem( nWhichId, ( !hasDoubleValue(aScale.Origin) )));

        }

        break;

        case SCHATTR_AXIS_ORIGIN:

        {

            double fOrigin = 0.0;

            if( !(aScale.Origin >>= fOrigin) )

            {

                if( m_pExplicitScale )

                    fOrigin = m_pExplicitScale->Origin;

            }

            rOutItemSet.Put( SvxDoubleItem( fOrigin, SCHATTR_AXIS_ORIGIN ));

        }

        break;

        case SCHATTR_AXIS_POSITION:

        {

            css::chart::ChartAxisPosition eAxisPos( css::chart::ChartAxisPosition_ZERO );

            GetPropertySet()->getPropertyValue( u"CrossoverPosition"_ustr ) >>= eAxisPos;

            rOutItemSet.Put( SfxInt32Item( nWhichId, static_cast<sal_Int32>(eAxisPos) ) );

        }

        break;

        case SCHATTR_AXIS_POSITION_VALUE:

        {

            double fValue = 0.0;

            if( GetPropertySet()->getPropertyValue( u"CrossoverValue"_ustr ) >>= fValue )

                rOutItemSet.Put( SvxDoubleItem( fValue, SCHATTR_AXIS_POSITION_VALUE ) );

        }

        break;

        case SCHATTR_AXIS_CROSSING_MAIN_AXIS_NUMBERFORMAT:

        {

            //read only item

            //necessary tp display the crossing value with an appropriate format

            rtl::Reference< BaseCoordinateSystem > xCooSys( AxisHelper::getCoordinateSystemOfAxis(

                m_xAxis, m_xChartDoc->getFirstChartDiagram() ) );

            rtl::Reference< Axis > xCrossingMainAxis = AxisHelper::getCrossingMainAxis( m_xAxis, xCooSys );

            sal_Int32 nFormatKey = ChartView::getExplicitNumberFormatKeyForAxis(

                xCrossingMainAxis, xCooSys, m_xChartDoc);

            rOutItemSet.Put( SfxUInt32Item( nWhichId, nFormatKey ));

        }

        break;

        case SCHATTR_AXIS_SHIFTED_CATEGORY_POSITION:

            rOutItemSet.Put(SfxBoolItem(nWhichId, aScale.ShiftedCategoryPosition));

        break;

        case SCHATTR_AXIS_LABEL_POSITION:

        {

            css::chart::ChartAxisLabelPosition ePos( css::chart::ChartAxisLabelPosition_NEAR_AXIS );

            GetPropertySet()->getPropertyValue( u"LabelPosition"_ustr ) >>= ePos;

            rOutItemSet.Put( SfxInt32Item( nWhichId, static_cast<sal_Int32>(ePos) ) );

        }

        break;

        case SCHATTR_AXIS_MARK_POSITION:

        {

            css::chart::ChartAxisMarkPosition ePos( css::chart::ChartAxisMarkPosition_AT_LABELS_AND_AXIS );

            GetPropertySet()->getPropertyValue( u"MarkPosition"_ustr ) >>= ePos;

            rOutItemSet.Put( SfxInt32Item( nWhichId, static_cast<sal_Int32>(ePos) ) );

        }

        break;

        case SCHATTR_TEXT_DEGREES:

        {

            // convert double to int (times 100)

            double fVal = 0;

            if( GetPropertySet()->getPropertyValue( u"TextRotation"_ustr ) >>= fVal )

            {

                rOutItemSet.Put( SdrAngleItem( SCHATTR_TEXT_DEGREES, Degree100(static_cast< sal_Int32 >(

                                                   ::rtl::math::round( fVal * 100.0 )) ) ));

            }

        }

        break;

        case SID_ATTR_NUMBERFORMAT_VALUE:

        {

            if( m_pExplicitScale )

            {

                rtl::Reference< BaseCoordinateSystem > xCooSys(

                        AxisHelper::getCoordinateSystemOfAxis(

                              m_xAxis, m_xChartDoc->getFirstChartDiagram() ) );

                sal_Int32 nFormatKey = ChartView::getExplicitNumberFormatKeyForAxis(

                    m_xAxis, xCooSys, m_xChartDoc);

                rOutItemSet.Put( SfxUInt32Item( nWhichId, nFormatKey ));

            }

        }

        break;

        case SID_ATTR_NUMBERFORMAT_SOURCE:

        {

            bool bLinkToSource = true;

            GetPropertySet()->getPropertyValue(CHART_UNONAME_LINK_TO_SRC_NUMFMT) >>= bLinkToSource;

            rOutItemSet.Put(SfxBoolItem(nWhichId, bLinkToSource));

        }

        break;

        case SCHATTR_AXISTYPE:

            rOutItemSet.Put( SfxInt32Item( nWhichId, aScale.AxisType ));

        break;

        case SCHATTR_AXIS_AUTO_DATEAXIS:

            rOutItemSet.Put( SfxBoolItem( nWhichId, aScale.AutoDateAxis ));

        break;

        case SCHATTR_AXIS_ALLOW_DATEAXIS:

        {

            rtl::Reference< BaseCoordinateSystem > xCooSys(

                AxisHelper::getCoordinateSystemOfAxis( m_xAxis, m_xChartDoc->getFirstChartDiagram() ) );

            sal_Int32 nDimensionIndex=0; sal_Int32 nAxisIndex=0;

            AxisHelper::getIndicesForAxis(m_xAxis, xCooSys, nDimensionIndex, nAxisIndex );

            auto xChartType = AxisHelper::getChartTypeByIndex(xCooSys, 0);

            bool bChartTypeAllowsDateAxis = xChartType.is() ? xChartType->isSupportingDateAxis(nDimensionIndex) : true;

            rOutItemSet.Put( SfxBoolItem( nWhichId, bChartTypeAllowsDateAxis ));

        }

        break;

    }

}

static bool lcl_isDateAxis( const SfxItemSet & rItemSet )

{

    sal_Int32 nAxisType = rItemSet.Get( SCHATTR_AXISTYPE ).GetValue();//css::chart2::AxisType

    return (nAxisType == chart2::AxisType::DATE);

}

static bool lcl_isAutoMajor( const SfxItemSet & rItemSet )

{

    bool bRet = rItemSet.Get( SCHATTR_AXIS_AUTO_STEP_MAIN ).GetValue();

    return bRet;

}

static bool lcl_isAutoMinor( const SfxItemSet & rItemSet )

{

    bool bRet = rItemSet.Get( SCHATTR_AXIS_AUTO_STEP_HELP ).GetValue();

    return bRet;

}

bool AxisItemConverter::ApplySpecialItem( sal_uInt16 nWhichId, const SfxItemSet & rItemSet )

{

    if( !m_xAxis.is() )

        return false;

    chart2::ScaleData     aScale( m_xAxis->getScaleData() );

    bool bSetScale    = false;

    bool bChangedOtherwise = false;

    uno::Any aValue;

    switch( nWhichId )

    {

        case SCHATTR_AXIS_AUTO_MAX:

            if( rItemSet.Get( SCHATTR_AXIS_AUTO_MAX ).GetValue() )

            {

                aScale.Maximum.clear();

                bSetScale = true;

            }

            // else SCHATTR_AXIS_MAX must have some value

            break;

        case SCHATTR_AXIS_MAX:

            // only if auto if false

            if( ! (rItemSet.Get( SCHATTR_AXIS_AUTO_MAX ).GetValue() ))

            {

                rItemSet.Get( nWhichId ).QueryValue( aValue );

                if( aScale.Maximum != aValue )

                {

                    aScale.Maximum = aValue;

                    bSetScale = true;

                }

            }

            break;

        case SCHATTR_AXIS_AUTO_MIN:

            if( rItemSet.Get( SCHATTR_AXIS_AUTO_MIN ).GetValue() )

            {

                aScale.Minimum.clear();

                bSetScale = true;

            }

            // else SCHATTR_AXIS_MIN must have some value

            break;

        case SCHATTR_AXIS_MIN:

            // only if auto if false

            if( ! (rItemSet.Get( SCHATTR_AXIS_AUTO_MIN ).GetValue() ))

            {

                rItemSet.Get( nWhichId ).QueryValue( aValue );

                if( aScale.Minimum != aValue )

                {

                    aScale.Minimum = aValue;

                    bSetScale = true;

                }

            }

            break;

        case SCHATTR_AXIS_LOGARITHM:

        {

            bool bWasLogarithm = AxisHelper::isLogarithmic( aScale.Scaling );

            if( rItemSet.Get( SCHATTR_AXIS_LOGARITHM ).GetValue() )

            {

                // logarithm is true

                if( ! bWasLogarithm )

                {

                    aScale.Scaling = AxisHelper::createLogarithmicScaling( 10.0 );

                    bSetScale = true;

                }

            }

            else

            {

                // logarithm is false => linear scaling

                if( bWasLogarithm )

                {

                    aScale.Scaling = AxisHelper::createLinearScaling();

                    bSetScale = true;

                }

            }

        }

        break;

        case SCHATTR_AXIS_REVERSE:

        {

            bool bWasReverse = ( aScale.Orientation == AxisOrientation_REVERSE );

            bool bNewReverse = rItemSet.Get( SCHATTR_AXIS_REVERSE ).GetValue();

            if( bWasReverse != bNewReverse )

            {

                aScale.Orientation = bNewReverse ? AxisOrientation_REVERSE : AxisOrientation_MATHEMATICAL;

                bSetScale = true;

            }

        }

        break;

        // Increment

        case SCHATTR_AXIS_AUTO_STEP_MAIN:

            if( lcl_isAutoMajor(rItemSet) )

            {

                aScale.IncrementData.Distance.clear();

                aScale.TimeIncrement.MajorTimeInterval.clear();

                bSetScale = true;

            }

            // else SCHATTR_AXIS_STEP_MAIN must have some value

            break;

        case SCHATTR_AXIS_MAIN_TIME_UNIT:

            if( !lcl_isAutoMajor(rItemSet) )

            {

                if( rItemSet.Get( nWhichId ).QueryValue( aValue ) )

                {

                    TimeInterval aTimeInterval;

                    aScale.TimeIncrement.MajorTimeInterval >>= aTimeInterval;

                    aValue >>= aTimeInterval.TimeUnit;

                    aScale.TimeIncrement.MajorTimeInterval <<= aTimeInterval;

                    bSetScale = true;

                }

            }

            break;

        case SCHATTR_AXIS_STEP_MAIN:

            // only if auto if false

            if( !lcl_isAutoMajor(rItemSet) )

            {

                rItemSet.Get( nWhichId ).QueryValue( aValue );

                if( lcl_isDateAxis(rItemSet) )

                {

                    double fValue = 1.0;

                    if( aValue >>= fValue )

                    {

                        TimeInterval aTimeInterval;

                        aScale.TimeIncrement.MajorTimeInterval >>= aTimeInterval;

                        aTimeInterval.Number = static_cast<sal_Int32>(fValue);

                        aScale.TimeIncrement.MajorTimeInterval <<= aTimeInterval;

                        bSetScale = true;

                    }

                }

                else if( aScale.IncrementData.Distance != aValue )

                {

                    aScale.IncrementData.Distance = aValue;

                    bSetScale = true;

                }

            }

            break;

        // SubIncrement

        case SCHATTR_AXIS_AUTO_STEP_HELP:

            if( lcl_isAutoMinor(rItemSet) )

            {

                if( aScale.IncrementData.SubIncrements.hasElements() &&

                    aScale.IncrementData.SubIncrements[0].IntervalCount.hasValue() )

                {

                        aScale.IncrementData.SubIncrements.getArray()[0].IntervalCount.clear();

                        bSetScale = true;

                }

                if( aScale.TimeIncrement.MinorTimeInterval.hasValue() )

                {

                    aScale.TimeIncrement.MinorTimeInterval.clear();

                    bSetScale = true;

                }

            }

            // else SCHATTR_AXIS_STEP_MAIN must have some value

            break;

        case SCHATTR_AXIS_HELP_TIME_UNIT:

            if( !lcl_isAutoMinor(rItemSet) )

            {

                if( rItemSet.Get( nWhichId ).QueryValue( aValue ) )

                {

                    TimeInterval aTimeInterval;

                    aScale.TimeIncrement.MinorTimeInterval >>= aTimeInterval;

                    aValue >>= aTimeInterval.TimeUnit;

                    aScale.TimeIncrement.MinorTimeInterval <<= aTimeInterval;

                    bSetScale = true;

                }

            }

            break;

        case SCHATTR_AXIS_STEP_HELP:

            // only if auto is false

            if( !lcl_isAutoMinor(rItemSet) )

            {

                rItemSet.Get( nWhichId ).QueryValue( aValue );

                if( lcl_isDateAxis(rItemSet) )

                {

                    TimeInterval aTimeInterval;

                    aScale.TimeIncrement.MinorTimeInterval >>= aTimeInterval;

                    aValue >>= aTimeInterval.Number;

                    aScale.TimeIncrement.MinorTimeInterval <<= aTimeInterval;

                    bSetScale = true;

                }

                else if( aScale.IncrementData.SubIncrements.hasElements() )

                {

                    if( ! aScale.IncrementData.SubIncrements[0].IntervalCount.hasValue() ||

                        aScale.IncrementData.SubIncrements[0].IntervalCount != aValue )

                    {

                        OSL_ASSERT( aValue.getValueTypeClass() == uno::TypeClass_LONG );

                        aScale.IncrementData.SubIncrements.getArray()[0].IntervalCount = aValue;

                        bSetScale = true;

                    }

                }

            }

            break;

        case SCHATTR_AXIS_AUTO_TIME_RESOLUTION:

            if( rItemSet.Get(SCHATTR_AXIS_AUTO_TIME_RESOLUTION).GetValue() )

            {

                aScale.TimeIncrement.TimeResolution.clear();

                bSetScale = true;

            }

            break;

        case SCHATTR_AXIS_TIME_RESOLUTION:

            // only if auto is false

            if( ! ( rItemSet.Get( SCHATTR_AXIS_AUTO_TIME_RESOLUTION ).GetValue() ))

            {

                rItemSet.Get( nWhichId ).QueryValue( aValue );

                if( aScale.TimeIncrement.TimeResolution != aValue )

                {

                    aScale.TimeIncrement.TimeResolution = aValue;

                    bSetScale = true;

                }

            }

            break;

        case SCHATTR_AXIS_AUTO_ORIGIN:

        {

            if( rItemSet.Get( SCHATTR_AXIS_AUTO_ORIGIN ).GetValue() )

            {

                aScale.Origin.clear();

                bSetScale = true;

            }

        }

        break;

        case SCHATTR_AXIS_ORIGIN:

        {

            // only if auto is false

            if( ! (rItemSet.Get( SCHATTR_AXIS_AUTO_ORIGIN ).GetValue() ))

            {

                rItemSet.Get( nWhichId ).QueryValue( aValue );

                if( aScale.Origin != aValue )

                {

                    aScale.Origin = aValue;

                    bSetScale = true;

                    if( !AxisHelper::isAxisPositioningEnabled() )

                    {

                        //keep old and new settings for axis positioning in sync somehow

                        rtl::Reference< BaseCoordinateSystem > xCooSys( AxisHelper::getCoordinateSystemOfAxis(

                            m_xAxis, m_xChartDoc->getFirstChartDiagram() ) );

                        sal_Int32 nDimensionIndex=0;

                        sal_Int32 nAxisIndex=0;

                        if( AxisHelper::getIndicesForAxis( m_xAxis, xCooSys, nDimensionIndex, nAxisIndex ) && nAxisIndex==0 )

                        {

                            rtl::Reference< Axis > xCrossingMainAxis = AxisHelper::getCrossingMainAxis( m_xAxis, xCooSys );

                            if( xCrossingMainAxis.is() )

                            {

                                double fValue = 0.0;

                                if( aValue >>= fValue )

                                {

                                    xCrossingMainAxis->setPropertyValue( u"CrossoverPosition"_ustr , uno::Any( css::chart::ChartAxisPosition_VALUE ));

                                    xCrossingMainAxis->setPropertyValue( u"CrossoverValue"_ustr , uno::Any( fValue ));

                                }

                                else

                                    xCrossingMainAxis->setPropertyValue( u"CrossoverPosition"_ustr , uno::Any( css::chart::ChartAxisPosition_START ));

                            }

                        }

                    }

                }

            }

        }

        break;

        case SCHATTR_AXIS_POSITION:

        {

            css::chart::ChartAxisPosition eAxisPos =

                static_cast<css::chart::ChartAxisPosition>( rItemSet.Get( SCHATTR_AXIS_POSITION ).GetValue());

            css::chart::ChartAxisPosition eOldAxisPos( css::chart::ChartAxisPosition_ZERO );

            bool bPropExisted = ( GetPropertySet()->getPropertyValue( u"CrossoverPosition"_ustr ) >>= eOldAxisPos );

            if( !bPropExisted || ( eOldAxisPos != eAxisPos ))

            {

                GetPropertySet()->setPropertyValue( u"CrossoverPosition"_ustr , uno::Any( eAxisPos ));

                bChangedOtherwise = true;

                //move the parallel axes to the other side if necessary

                if( eAxisPos==css::chart::ChartAxisPosition_START || eAxisPos==css::chart::ChartAxisPosition_END )

                {

                    rtl::Reference<Diagram> xDiagram = m_xChartDoc->getFirstChartDiagram();

                    rtl::Reference< Axis > xParallelAxis = AxisHelper::getParallelAxis( m_xAxis, xDiagram );

                    if( xParallelAxis.is() )

                    {

                        css::chart::ChartAxisPosition eOtherPos;

                        if( xParallelAxis->getPropertyValue( u"CrossoverPosition"_ustr ) >>= eOtherPos )

                        {

                            if( eOtherPos == eAxisPos )

                            {

                                css::chart::ChartAxisPosition eOppositePos =

                                    (eAxisPos==css::chart::ChartAxisPosition_START)

                                    ? css::chart::ChartAxisPosition_END

                                    : css::chart::ChartAxisPosition_START;

                                xParallelAxis->setPropertyValue( u"CrossoverPosition"_ustr , uno::Any( eOppositePos ));

                            }

                        }

                    }

                }

            }

        }

        break;

        case SCHATTR_AXIS_POSITION_VALUE:

        {

            double fValue = rItemSet.Get( SCHATTR_AXIS_POSITION_VALUE ).GetValue();

            double fOldValue = 0.0;

            bool bPropExisted = ( GetPropertySet()->getPropertyValue( u"CrossoverValue"_ustr ) >>= fOldValue );

            if( !bPropExisted || ( fOldValue != fValue ))

            {

                GetPropertySet()->setPropertyValue( u"CrossoverValue"_ustr , uno::Any( fValue ));

                bChangedOtherwise = true;

                //keep old and new settings for axis positioning in sync somehow

                {

                    rtl::Reference< BaseCoordinateSystem > xCooSys( AxisHelper::getCoordinateSystemOfAxis(

                        m_xAxis, m_xChartDoc->getFirstChartDiagram() ) );

                    sal_Int32 nDimensionIndex=0;

                    sal_Int32 nAxisIndex=0;

                    if( AxisHelper::getIndicesForAxis( m_xAxis, xCooSys, nDimensionIndex, nAxisIndex ) && nAxisIndex==0 )

                    {

                        rtl::Reference< Axis > xCrossingMainAxis( AxisHelper::getCrossingMainAxis( m_xAxis, xCooSys ) );

                        if( xCrossingMainAxis.is() )

                        {

                            ScaleData aCrossingScale( xCrossingMainAxis->getScaleData() );

                            aCrossingScale.Origin <<= fValue;

                            xCrossingMainAxis->setScaleData(aCrossingScale);

                        }

                    }

                }

            }

        }

        break;

        case SCHATTR_AXIS_SHIFTED_CATEGORY_POSITION:

        {

            bool bNewValue = rItemSet.Get(SCHATTR_AXIS_SHIFTED_CATEGORY_POSITION).GetValue();

            bool bOldValue = aScale.ShiftedCategoryPosition;

            if (bOldValue != bNewValue)

            {

                aScale.ShiftedCategoryPosition = bNewValue;

                bSetScale = true;

            }

        }

        break;

        case SCHATTR_AXIS_LABEL_POSITION:

        {

            css::chart::ChartAxisLabelPosition ePos =

                static_cast<css::chart::ChartAxisLabelPosition>(rItemSet.Get( SCHATTR_AXIS_LABEL_POSITION ).GetValue());

            css::chart::ChartAxisLabelPosition eOldPos( css::chart::ChartAxisLabelPosition_NEAR_AXIS );

            bool bPropExisted = ( GetPropertySet()->getPropertyValue( u"LabelPosition"_ustr ) >>= eOldPos );

            if( !bPropExisted || ( eOldPos != ePos ))

            {

                GetPropertySet()->setPropertyValue( u"LabelPosition"_ustr , uno::Any( ePos ));

                bChangedOtherwise = true;

                //move the parallel axes to the other side if necessary

                if( ePos==css::chart::ChartAxisLabelPosition_OUTSIDE_START || ePos==css::chart::ChartAxisLabelPosition_OUTSIDE_END )

                {

                    rtl::Reference<Diagram> xDiagram = m_xChartDoc->getFirstChartDiagram();

                    rtl::Reference< Axis > xParallelAxis = AxisHelper::getParallelAxis( m_xAxis, xDiagram );

                    if( xParallelAxis.is() )

                    {

                        css::chart::ChartAxisLabelPosition eOtherPos;

                        if( xParallelAxis->getPropertyValue( u"LabelPosition"_ustr ) >>= eOtherPos )

                        {

                            if( eOtherPos == ePos )

                            {

                                css::chart::ChartAxisLabelPosition eOppositePos =

                                    (ePos==css::chart::ChartAxisLabelPosition_OUTSIDE_START)

                                    ? css::chart::ChartAxisLabelPosition_OUTSIDE_END

                                    : css::chart::ChartAxisLabelPosition_OUTSIDE_START;

                                xParallelAxis->setPropertyValue( u"LabelPosition"_ustr , uno::Any( eOppositePos ));

                            }

                        }

                    }

                }

            }

        }

        break;

        case SCHATTR_AXIS_MARK_POSITION:

        {

            css::chart::ChartAxisMarkPosition ePos =

                static_cast<css::chart::ChartAxisMarkPosition>( rItemSet.Get( SCHATTR_AXIS_MARK_POSITION ).GetValue());

            css::chart::ChartAxisMarkPosition eOldPos( css::chart::ChartAxisMarkPosition_AT_LABELS_AND_AXIS );

            bool bPropExisted = ( GetPropertySet()->getPropertyValue( u"MarkPosition"_ustr ) >>= eOldPos );

            if( !bPropExisted || ( eOldPos != ePos ))

            {

                GetPropertySet()->setPropertyValue( u"MarkPosition"_ustr , uno::Any( ePos ));

                bChangedOtherwise = true;

            }

        }

        break;

        case SCHATTR_TEXT_DEGREES:

        {

            double fVal = toDegrees(rItemSet.Get(SCHATTR_TEXT_DEGREES).GetValue());

            double fOldVal = 0.0;