    /* -*- 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 <LegendItemConverter.hxx>
    #include "SchWhichPairs.hxx"
    #include <ItemPropertyMap.hxx>
    #include <GraphicPropertyItemConverter.hxx>
    #include <CharacterPropertyItemConverter.hxx>
    #include <com/sun/star/chart2/XLegend.hpp>
    #include <com/sun/star/chart2/LegendPosition.hpp>
    #include <com/sun/star/chart/ChartLegendExpansion.hpp>
    #include <com/sun/star/beans/XPropertySet.hpp>

    #include <svl/intitem.hxx>
    #include <svl/eitem.hxx>
    #include <tools/diagnose_ex.h>

    #include <functional>
    #include <algorithm>
    #include <memory>

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

    namespace chart
    {
    namespace wrapper
    {

    LegendItemConverter::LegendItemConverter(
        const css::uno::Reference< css::beans::XPropertySet > & rPropertySet,
        SfxItemPool& rItemPool,
        SdrModel& rDrawModel,
        const uno::Reference< lang::XMultiServiceFactory > & xNamedPropertyContainerFactory,
        const awt::Size* pRefSize ) :
            ItemConverter( rPropertySet, rItemPool )
    {
        m_aConverters.emplace_back( new GraphicPropertyItemConverter(
                                     rPropertySet, rItemPool, rDrawModel, xNamedPropertyContainerFactory,
                                     GraphicObjectType::LineAndFillProperties ));
        m_aConverters.emplace_back( new CharacterPropertyItemConverter(
                                     rPropertySet, rItemPool, pRefSize,
                                     "ReferencePageSize" ));
    }

    LegendItemConverter::~LegendItemConverter()
    {
    }

    void LegendItemConverter::FillItemSet( SfxItemSet & rOutItemSet ) const
    {
        for( const auto& pConv : m_aConverters )
            pConv->FillItemSet( rOutItemSet );

        // own items
        ItemConverter::FillItemSet( rOutItemSet );
    }

    bool LegendItemConverter::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 sal_uInt16 * LegendItemConverter::GetWhichPairs() const
    {
        // must span all used items!
        return nLegendWhichPairs;
    }

    bool LegendItemConverter::GetItemProperty( tWhichIdType /*nWhichId*/, tPropertyNameWithMemberId & /*rOutProperty*/ ) const
    {
        // No own (non-special) properties
        return false;
    }

    bool LegendItemConverter::ApplySpecialItem( sal_uInt16 nWhichId, const SfxItemSet& rInItemSet )
    {
        bool bChanged = false;

        switch( nWhichId )
        {
            case SCHATTR_LEGEND_SHOW:
            {
                const SfxPoolItem* pPoolItem = nullptr;
                if( rInItemSet.GetItemState( SCHATTR_LEGEND_SHOW, true, &pPoolItem ) == SfxItemState::SET )
                {
                    bool bShow = static_cast< const SfxBoolItem * >( pPoolItem )->GetValue();
                    bool bWasShown = true;
                    if( ! (GetPropertySet()->getPropertyValue( "Show" ) >>= bWasShown) ||
                        ( bWasShown != bShow ))
                    {
                        GetPropertySet()->setPropertyValue( "Show" , uno::Any( bShow ));
                        bChanged = true;
                    }
                }

            }
            break;
            case SCHATTR_LEGEND_POS:
            {
                const SfxPoolItem* pPoolItem = nullptr;
                if( rInItemSet.GetItemState( SCHATTR_LEGEND_POS, true, &pPoolItem ) == SfxItemState::SET )
                {
                    chart2::LegendPosition eNewPos = static_cast<chart2::LegendPosition>(static_cast<const SfxInt32Item*>(pPoolItem)->GetValue());

                    css::chart::ChartLegendExpansion eExpansion = css::chart::ChartLegendExpansion_HIGH;
                    switch( eNewPos )
                    {
                        case chart2::LegendPosition_LINE_START:
                        case chart2::LegendPosition_LINE_END:
                            eExpansion = css::chart::ChartLegendExpansion_HIGH;
                            break;
                        case chart2::LegendPosition_PAGE_START:
                        case chart2::LegendPosition_PAGE_END:
                            eExpansion = css::chart::ChartLegendExpansion_WIDE;
                            break;
                        default:
                            break;
                    }

                    try
                    {
                        chart2::LegendPosition eOldPos;
                        if( ! ( GetPropertySet()->getPropertyValue( "AnchorPosition" ) >>= eOldPos ) ||
                            ( eOldPos != eNewPos ))
                        {
                            GetPropertySet()->setPropertyValue( "AnchorPosition" , uno::Any( eNewPos ));
                            GetPropertySet()->setPropertyValue( "Expansion" , uno::Any( eExpansion ));
                            GetPropertySet()->setPropertyValue( "RelativePosition" , uno::Any());
                            bChanged = true;
                        }
                    }
                    catch( const uno::Exception & )
                    {
                        DBG_UNHANDLED_EXCEPTION("chart2");
                    }
                }
            }
            break;
        }

        return bChanged;
    }

    void LegendItemConverter::FillSpecialItem(
        sal_uInt16 nWhichId, SfxItemSet & rOutItemSet ) const
    {
        switch( nWhichId )
        {
            case SCHATTR_LEGEND_SHOW:
            {
                bool bShow = true;
                GetPropertySet()->getPropertyValue( "Show" ) >>= bShow;
                rOutItemSet.Put( SfxBoolItem(SCHATTR_LEGEND_SHOW, bShow) );
            }
            break;
            case SCHATTR_LEGEND_POS:
            {
                chart2::LegendPosition eLegendPos( chart2::LegendPosition_LINE_END );
                GetPropertySet()->getPropertyValue( "AnchorPosition" ) >>= eLegendPos;
                rOutItemSet.Put( SfxInt32Item(SCHATTR_LEGEND_POS, static_cast<sal_Int32>(eLegendPos) ) );
            }
            break;
       }
    }

    } //  namespace wrapper
    } //  namespace chart

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1023 A pointer without owner is added to the 'm_aConverters' container by the 'emplace_back' method. A memory leak will occur in case of an exception.

↑ V1023 A pointer without owner is added to the 'm_aConverters' container by the 'emplace_back' method. A memory leak will occur in case of an exception.