    /* -*- 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 <ChartModelHelper.hxx>
    #include <DiagramHelper.hxx>
    #include <DataSourceHelper.hxx>
    #include <ControllerLockGuard.hxx>
    #include <RangeHighlighter.hxx>
    #include <InternalDataProvider.hxx>
    #include <ChartModel.hxx>

    #include <com/sun/star/chart/ChartDataRowSource.hpp>
    #include <com/sun/star/chart/XChartDocument.hpp>
    #include <com/sun/star/chart2/data/XDataReceiver.hpp>
    #include <com/sun/star/chart2/XChartDocument.hpp>
    #include <com/sun/star/chart2/XChartTypeContainer.hpp>
    #include <com/sun/star/chart2/XCoordinateSystemContainer.hpp>
    #include <com/sun/star/chart2/XDataSeriesContainer.hpp>
    #include <com/sun/star/embed/Aspects.hpp>
    #include <com/sun/star/embed/XVisualObject.hpp>
    #include <com/sun/star/view/XSelectionChangeListener.hpp>
    #include <tools/diagnose_ex.h>
    #include <sal/log.hxx>

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

    uno::Reference< chart2::data::XRangeHighlighter > ChartModelHelper::createRangeHighlighter(
            const uno::Reference< view::XSelectionSupplier > & xSelectionSupplier )
    {
        return new RangeHighlighter( xSelectionSupplier );
    }

    uno::Reference< chart2::data::XDataProvider > ChartModelHelper::createInternalDataProvider(
        const uno::Reference< css::chart2::XChartDocument >& xChartDoc, bool bConnectToModel )
    {
        bool bDefaultDataInColumns(true);

        // #i120559# Try to access the current state of "DataRowSource" for the
        // chart data and use it as default for creating a new InternalDataProvider
        if(xChartDoc.is())
        {
            css::uno::Reference< css::chart::XChartDocument > xDoc(xChartDoc, uno::UNO_QUERY);

            if(xDoc.is())
            {
                css::uno::Reference< css::chart::XDiagram > aDiagram = xDoc->getDiagram();

                if(aDiagram.is())
                {
                    css::uno::Reference< css::beans::XPropertySet > xProp(aDiagram, uno::UNO_QUERY);

                    if(xProp.is())
                    {
                        css::chart::ChartDataRowSource aDataRowSource(css::chart::ChartDataRowSource_COLUMNS);

                        xProp->getPropertyValue( "DataRowSource" ) >>= aDataRowSource;

                        bDefaultDataInColumns = (aDataRowSource == css::chart::ChartDataRowSource_COLUMNS);
                    }
                }
            }
        }

        return new InternalDataProvider( xChartDoc, bConnectToModel, bDefaultDataInColumns );
    }

    uno::Reference< XDiagram > ChartModelHelper::findDiagram( const uno::Reference< frame::XModel >& xModel )
    {
        uno::Reference< XChartDocument > xChartDoc( xModel, uno::UNO_QUERY );
        if( xChartDoc.is())
            return ChartModelHelper::findDiagram( xChartDoc );
        return nullptr;
    }

    uno::Reference< XDiagram > ChartModelHelper::findDiagram( const uno::Reference< chart2::XChartDocument >& xChartDoc )
    {
        try
        {
            if( xChartDoc.is())
                return xChartDoc->getFirstDiagram();
        }
        catch( const uno::Exception & )
        {
            DBG_UNHANDLED_EXCEPTION("chart2");
        }
        return nullptr;
    }

    uno::Reference< XCoordinateSystem > ChartModelHelper::getFirstCoordinateSystem( ChartModel& rModel )
    {
        uno::Reference< XCoordinateSystem > XCooSys;
        uno::Reference< XCoordinateSystemContainer > xCooSysCnt( rModel.getFirstDiagram(), uno::UNO_QUERY );
        if( xCooSysCnt.is() )
        {
            uno::Sequence< uno::Reference< XCoordinateSystem > > aCooSysSeq( xCooSysCnt->getCoordinateSystems() );
            if( aCooSysSeq.getLength() )
                XCooSys = aCooSysSeq[0];
        }
        return XCooSys;
    }

    uno::Reference< XCoordinateSystem > ChartModelHelper::getFirstCoordinateSystem( const uno::Reference< frame::XModel >& xModel )
    {
        uno::Reference< XCoordinateSystem > XCooSys;
        uno::Reference< XCoordinateSystemContainer > xCooSysCnt( ChartModelHelper::findDiagram( xModel ), uno::UNO_QUERY );
        if( xCooSysCnt.is() )
        {
            uno::Sequence< uno::Reference< XCoordinateSystem > > aCooSysSeq( xCooSysCnt->getCoordinateSystems() );
            if( aCooSysSeq.getLength() )
                XCooSys = aCooSysSeq[0];
        }
        return XCooSys;
    }

    std::vector< uno::Reference< XDataSeries > > ChartModelHelper::getDataSeries(
        ChartModel& rModel )
    {
        std::vector< uno::Reference< XDataSeries > > aResult;

        uno::Reference< XDiagram > xDiagram = rModel.getFirstDiagram();
        if( xDiagram.is())
            aResult = DiagramHelper::getDataSeriesFromDiagram( xDiagram );

        return aResult;
    }

    std::vector< uno::Reference< XDataSeries > > ChartModelHelper::getDataSeries(
        const uno::Reference< XChartDocument > & xChartDoc )
    {
        std::vector< uno::Reference< XDataSeries > > aResult;

        uno::Reference< XDiagram > xDiagram = ChartModelHelper::findDiagram( xChartDoc );
        if( xDiagram.is())
            aResult = DiagramHelper::getDataSeriesFromDiagram( xDiagram );

        return aResult;
    }

    std::vector< uno::Reference< XDataSeries > > ChartModelHelper::getDataSeries(
        const uno::Reference< frame::XModel > & xModel )
    {
        return getDataSeries( uno::Reference< chart2::XChartDocument >( xModel, uno::UNO_QUERY ));
    }

    uno::Reference< XChartType > ChartModelHelper::getChartTypeOfSeries(
                                    const uno::Reference< frame::XModel >& xModel
                                  , const uno::Reference< XDataSeries >&   xGivenDataSeries )
    {
        return DiagramHelper::getChartTypeOfSeries( ChartModelHelper::findDiagram( xModel ), xGivenDataSeries );
    }

    awt::Size ChartModelHelper::getDefaultPageSize()
    {
        return awt::Size( 16000, 9000 );
    }

    awt::Size ChartModelHelper::getPageSize( const uno::Reference< frame::XModel >& xModel )
    {
        awt::Size aPageSize( ChartModelHelper::getDefaultPageSize() );
        uno::Reference< embed::XVisualObject > xVisualObject(xModel,uno::UNO_QUERY);
        OSL_ENSURE(xVisualObject.is(),"need xVisualObject for page size");
        if( xVisualObject.is() )
            aPageSize = xVisualObject->getVisualAreaSize( embed::Aspects::MSOLE_CONTENT );
        return aPageSize;
    }

    void ChartModelHelper::triggerRangeHighlighting( const uno::Reference< frame::XModel >& xModel )
    {
        uno::Reference< chart2::data::XDataReceiver > xDataReceiver( xModel, uno::UNO_QUERY );
        if( xDataReceiver.is() )
        {
            uno::Reference< view::XSelectionChangeListener > xSelectionChangeListener( xDataReceiver->getRangeHighlighter(), uno::UNO_QUERY );
            //trigger selection of cell range
            if( xSelectionChangeListener.is() )
            {
                lang::EventObject aEvent( xSelectionChangeListener );
                xSelectionChangeListener->selectionChanged( aEvent );
            }
        }
    }

    bool ChartModelHelper::isIncludeHiddenCells( const uno::Reference< frame::XModel >& xChartModel )
    {
        bool bIncluded = true;  // hidden cells are included by default.

        uno::Reference< chart2::XDiagram > xDiagram( ChartModelHelper::findDiagram(xChartModel) );
        if (!xDiagram.is())
            return bIncluded;

        uno::Reference< beans::XPropertySet > xProp( xDiagram, uno::UNO_QUERY );
        if (!xProp.is())
            return bIncluded;

        try
        {
            xProp->getPropertyValue("IncludeHiddenCells") >>= bIncluded;
        }
        catch( const beans::UnknownPropertyException& )
        {
        }

        return bIncluded;
    }

    bool ChartModelHelper::setIncludeHiddenCells( bool bIncludeHiddenCells, ChartModel& rModel )
    {
        bool bChanged = false;
        try
        {
            ControllerLockGuard aLockedControllers( rModel );

            uno::Reference< beans::XPropertySet > xDiagramProperties( rModel.getFirstDiagram(), uno::UNO_QUERY );
            if (xDiagramProperties.is())
            {
                bool bOldValue = bIncludeHiddenCells;
                xDiagramProperties->getPropertyValue( "IncludeHiddenCells" ) >>= bOldValue;
                if( bOldValue == bIncludeHiddenCells )
                    bChanged = true;

                //set the property on all instances in all cases to get the different objects in sync!

                uno::Any aNewValue(bIncludeHiddenCells);

                try
                {
                    uno::Reference< beans::XPropertySet > xDataProviderProperties( rModel.getDataProvider(), uno::UNO_QUERY );
                    if( xDataProviderProperties.is() )
                        xDataProviderProperties->setPropertyValue("IncludeHiddenCells", aNewValue );
                }
                catch( const beans::UnknownPropertyException& )
                {
                    //the property is optional!
                }

                try
                {
                    uno::Reference< chart2::data::XDataSource > xUsedData( DataSourceHelper::getUsedData( rModel ) );
                    if( xUsedData.is() )
                    {
                        uno::Reference< beans::XPropertySet > xProp;
                        uno::Sequence< uno::Reference< chart2::data::XLabeledDataSequence > > aData( xUsedData->getDataSequences());
                        for( sal_Int32 i=0; i<aData.getLength(); ++i )
                        {
                            xProp.set( uno::Reference< beans::XPropertySet >( aData[i]->getValues(), uno::UNO_QUERY ) );
                            if(xProp.is())
                                xProp->setPropertyValue("IncludeHiddenCells", aNewValue );
                            xProp.set( uno::Reference< beans::XPropertySet >( aData[i]->getLabel(), uno::UNO_QUERY ) );
                            if(xProp.is())
                                xProp->setPropertyValue("IncludeHiddenCells", aNewValue );
                        }
                    }
                }
                catch( const beans::UnknownPropertyException& )
                {
                    //the property is optional!
                }

                xDiagramProperties->setPropertyValue( "IncludeHiddenCells", aNewValue);
            }
        }
        catch (const uno::Exception& e)
        {
            SAL_WARN("chart2", "Exception caught. " << e);
        }
        return bChanged;
    }

    } //namespace chart

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

↑ V547 Expression 'bOldValue == bIncludeHiddenCells' is always true.