Quelle  documen5.cxx   Sprache: C

/* -*- 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 <com/sun/star/util/XModifiable.hpp>
#include <com/sun/star/chart/ChartDataRowSource.hpp>
#include <com/sun/star/chart2/XChartDocument.hpp>
#include <com/sun/star/chart2/data/XDataProvider.hpp>
#include <com/sun/star/chart2/data/XDataReceiver.hpp>
#include <com/sun/star/embed/XEmbeddedObject.hpp>

#include <svx/svditer.hxx>
#include <svx/svdoole2.hxx>
#include <svtools/embedhlp.hxx>

#include <document.hxx>
#include <docsh.hxx>
#include <table.hxx>
#include <drwlayer.hxx>
#include <chartlis.hxx>
#include <chartlock.hxx>
#include <refupdat.hxx>

#include <miscuno.hxx>
#include <chart2uno.hxx>
#include <charthelper.hxx>

using namespace ::com::sun::star;

static void lcl_GetChartParameters( const uno::Reference< chart2::XChartDocument >& xChartDoc,
            OUString& rRanges, chart::ChartDataRowSource& rDataRowSource,
            bool& rHasCategories, bool& rFirstCellAsLabel )
{
    rHasCategories = rFirstCellAsLabel = false;     // default if not in sequence

    uno::Reference< chart2::data::XDataReceiver > xReceiver( xChartDoc, uno::UNO_QUERY );

    uno::Reference< chart2::data::XDataSource > xDataSource = xReceiver->getUsedData();
    uno::Reference< chart2::data::XDataProvider > xProvider = xChartDoc->getDataProvider();

    if ( !xProvider.is() )
        return;

    const uno::Sequence< beans::PropertyValue > aArgs( xProvider->detectArguments( xDataSource ) );

    for (const beans::PropertyValue& rProp : aArgs)
    {
        OUString aPropName(rProp.Name);

        if ( aPropName == "CellRangeRepresentation" )
            rProp.Value >>= rRanges;
        else if ( aPropName == "DataRowSource" )
            rDataRowSource = static_cast<chart::ChartDataRowSource>(ScUnoHelpFunctions::GetEnumFromAny( rProp.Value ));
        else if ( aPropName == "HasCategories" )
            rHasCategories = ScUnoHelpFunctions::GetBoolFromAny( rProp.Value );
        else if ( aPropName == "FirstCellAsLabel" )
            rFirstCellAsLabel = ScUnoHelpFunctions::GetBoolFromAny( rProp.Value );
    }
}

static void lcl_SetChartParameters( const uno::Reference< chart2::data::XDataReceiver >&&nbsp;xReceiver,
            const OUString& rRanges, chart::ChartDataRowSource eDataRowSource,
            bool bHasCategories, bool bFirstCellAsLabel )
{
    if ( !xReceiver.is() )
        return;

    uno::Sequence< beans::PropertyValue > aArgs{
        beans::PropertyValue(
            u"CellRangeRepresentation"_ustr, -1,
            uno::Any( rRanges ), beans::PropertyState_DIRECT_VALUE ),
        beans::PropertyValue(
            u"HasCategories"_ustr, -1,
            uno::Any( bHasCategories ), beans::PropertyState_DIRECT_VALUE ),
        beans::PropertyValue(
            u"FirstCellAsLabel"_ustr, -1,
            uno::Any( bFirstCellAsLabel ), beans::PropertyState_DIRECT_VALUE ),
        beans::PropertyValue(
            u"DataRowSource"_ustr, -1,
            uno::Any( eDataRowSource ), beans::PropertyState_DIRECT_VALUE )
    };
    xReceiver->setArguments( aArgs );
}

bool ScDocument::HasChartAtPoint( SCTAB nTab, const Point& rPos, OUString& rName )
{
    if (mpDrawLayer && nTab < static_cast<SCTAB>(maTabs.size()) && maTabs[nTab])
    {
        SdrPage* pPage = mpDrawLayer->GetPage(static_cast<sal_uInt16>(nTab));
        OSL_ENSURE(pPage,"Page ?");

        SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
        SdrObject* pObject = aIter.Next();
        while (pObject)
        {
            if ( pObject->GetObjIdentifier() == SdrObjKind::OLE2 &&
                 pObject->GetCurrentBoundRect().Contains(rPos) )
            {
                // also Chart-Objects that are not in the Collection

                if (IsChart(pObject))
                {
                    rName = static_cast<SdrOle2Obj*>(pObject)->GetPersistName();
                    return true;
                }
            }
            pObject = aIter.Next();
        }
    }

    rName.clear();
    return false;                   // nothing found
}

void ScDocument::UpdateChartArea( const OUString& rChartName,
            const ScRange& rNewArea, bool bColHeaders, bool bRowHeaders,
            bool bAdd )
{
    ScRangeListRef aRLR( new ScRangeList(rNewArea) );
    UpdateChartArea( rChartName, aRLR, bColHeaders, bRowHeaders, bAdd );
}

uno::Reference< chart2::XChartDocument > ScDocument::GetChartByName( std::u16string_view rChartName )
{
    uno::Reference< chart2::XChartDocument > xReturn;

    if (mpDrawLayer)
    {
        sal_uInt16 nCount = mpDrawLayer->GetPageCount();
        SCTAB nSize = static_cast<SCTAB>(maTabs.size());
        for (sal_uInt16 nTab=0; nTab<nCount && nTab < nSize; nTab++)
        {
            SdrPage* pPage = mpDrawLayer->GetPage(nTab);
            OSL_ENSURE(pPage,"Page ?");

            SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
            SdrObject* pObject = aIter.Next();
            while (pObject)
            {
                if ( pObject->GetObjIdentifier() == SdrObjKind::OLE2 &&
                        static_cast<SdrOle2Obj*>(pObject)->GetPersistName() == rChartName )
                {
                    xReturn.set( ScChartHelper::GetChartFromSdrObject( pObject ) );
                    return xReturn;
                }
                pObject = aIter.Next();
            }
        }
    }
    return xReturn;
}

void ScDocument::GetChartRanges( std::u16string_view rChartName, ::std::vector< ScRangeList >& rRangesVector, const ScDocument& rSheetNameDoc )
{
    rRangesVector.clear();
    uno::Reference< chart2::XChartDocument > xChartDoc( GetChartByName( rChartName ) );
    if ( xChartDoc.is() )
    {
        std::vector< OUString > aRangeStrings;
        ScChartHelper::GetChartRanges( xChartDoc, aRangeStrings );
        for(const OUString & aRangeString : aRangeStrings)
        {
            ScRangeList aRanges;
            aRanges.Parse( aRangeString, rSheetNameDoc, rSheetNameDoc.GetAddressConvention() );
            rRangesVector.push_back(aRanges);
        }
    }
}

void ScDocument::SetChartRanges( std::u16string_view rChartName, const ::std::vector< ScRangeList >& rRangesVector )
{
    uno::Reference< chart2::XChartDocument > xChartDoc( GetChartByName( rChartName ) );
    if ( !xChartDoc.is() )
        return;

    sal_Int32 nCount = static_cast<sal_Int32>( rRangesVector.size() );
    uno::Sequence< OUString > aRangeStrings(nCount);
    auto aRangeStringsRange = asNonConstRange(aRangeStrings);
    for( sal_Int32 nN=0; nN<nCount; nN++ )
    {
        const ScRangeList& aScRangeList( rRangesVector[nN] );
        OUString sRangeStr;
        aScRangeList.Format( sRangeStr, ScRefFlags::RANGE_ABS_3D, *this, GetAddressConvention() );
        aRangeStringsRange[nN]=sRangeStr;
    }
    ScChartHelper::SetChartRanges( xChartDoc, aRangeStrings );
}

void ScDocument::GetOldChartParameters( std::u16string_view rName,
            ScRangeList& rRanges, bool& rColHeaders, bool& rRowHeaders )
{
    // used for undo of changing chart source area

    if (!mpDrawLayer)
        return;

    sal_uInt16 nCount = mpDrawLayer->GetPageCount();
    for (sal_uInt16 nTab=0; nTab<nCount && nTab < static_cast<SCTAB>(maTabs.size()); nTab++)
    {
        SdrPage* pPage = mpDrawLayer->GetPage(nTab);
        OSL_ENSURE(pPage,"Page ?");

        SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
        SdrObject* pObject = aIter.Next();
        while (pObject)
        {
            if ( pObject->GetObjIdentifier() == SdrObjKind::OLE2 &&
                    static_cast<SdrOle2Obj*>(pObject)->GetPersistName() == rName )
            {
                uno::Reference< chart2::XChartDocument > xChartDoc( ScChartHelper::GetChartFromSdrObject( pObject ) );
                if ( xChartDoc.is() )
                {
                    chart::ChartDataRowSource eDataRowSource = chart::ChartDataRowSource_COLUMNS;
                    bool bHasCategories = false;
                    bool bFirstCellAsLabel = false;
                    OUString aRangesStr;
                    lcl_GetChartParameters( xChartDoc, aRangesStr, eDataRowSource, bHasCategories, bFirstCellAsLabel );

                    rRanges.Parse( aRangesStr, *this, GetAddressConvention());
                    if ( eDataRowSource == chart::ChartDataRowSource_COLUMNS )
                    {
                        rRowHeaders = bHasCategories;
                        rColHeaders = bFirstCellAsLabel;
                    }
                    else
                    {
                        rColHeaders = bHasCategories;
                        rRowHeaders = bFirstCellAsLabel;
                    }
                }
                return;
            }
            pObject = aIter.Next();
        }
    }
}

void ScDocument::UpdateChartArea( const OUString& rChartName,
            const ScRangeListRef& rNewList, bool bColHeaders, bool bRowHeaders,
            bool bAdd )
{
    if (!mpDrawLayer)
        return;

    for (SCTAB nTab=0; nTab< static_cast<SCTAB>(maTabs.size()) && maTabs[nTab]; nTab++)
    {
        SdrPage* pPage = mpDrawLayer->GetPage(static_cast<sal_uInt16>(nTab));
        OSL_ENSURE(pPage,"Page ?");

        SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
        SdrObject* pObject = aIter.Next();
        while (pObject)
        {
            if ( pObject->GetObjIdentifier() == SdrObjKind::OLE2 &&
                    static_cast<SdrOle2Obj*>(pObject)->GetPersistName() == rChartName )
            {
                uno::Reference< chart2::XChartDocument > xChartDoc( ScChartHelper::GetChartFromSdrObject( pObject ) );
                uno::Reference< chart2::data::XDataReceiver > xReceiver( xChartDoc, uno::UNO_QUERY );
                if ( xChartDoc.is() && xReceiver.is() )
                {
                    ScRangeListRef aNewRanges;
                    chart::ChartDataRowSource eDataRowSource = chart::ChartDataRowSource_COLUMNS;
                    bool bHasCategories = false;
                    bool bFirstCellAsLabel = false;
                    OUString aRangesStr;
                    lcl_GetChartParameters( xChartDoc, aRangesStr, eDataRowSource, bHasCategories, bFirstCellAsLabel );

                    bool bInternalData = xChartDoc->hasInternalDataProvider();

                    if ( bAdd && !bInternalData )
                    {
                        // append to old ranges, keep other settings

                        aNewRanges = new ScRangeList;
                        aNewRanges->Parse( aRangesStr, *this, GetAddressConvention());
                        aNewRanges->insert( aNewRanges->begin(), rNewList->begin(), rNewList->end() );
                    }
                    else
                    {
                        // directly use new ranges (only eDataRowSource is used from old settings)

                        if ( eDataRowSource == chart::ChartDataRowSource_COLUMNS )
                        {
                            bHasCategories = bRowHeaders;
                            bFirstCellAsLabel = bColHeaders;
                        }
                        else
                        {
                            bHasCategories = bColHeaders;
                            bFirstCellAsLabel = bRowHeaders;
                        }
                        aNewRanges = rNewList;
                    }

                    if ( bInternalData && mpShell )
                    {
                        // Calc -> DataProvider
                        uno::Reference< chart2::data::XDataProvider > xDataProvider = new ScChart2DataProvider( this );
                        xReceiver->attachDataProvider( xDataProvider );
                        uno::Reference< util::XNumberFormatsSupplier > xNumberFormatsSupplier(
                                static_cast<cppu::OWeakObject*>(mpShell->GetModel()), uno::UNO_QUERY );
                        xReceiver->attachNumberFormatsSupplier( xNumberFormatsSupplier );
                    }

                    OUString sRangeStr;
                    aNewRanges->Format( sRangeStr, ScRefFlags::RANGE_ABS_3D, *this, GetAddressConvention() );

                    lcl_SetChartParameters( xReceiver, sRangeStr, eDataRowSource, bHasCategories, bFirstCellAsLabel );

                    pChartListenerCollection->ChangeListening( rChartName, aNewRanges );

                    return;         // do not search anymore
                }
            }
            pObject = aIter.Next();
        }
    }
}

void ScDocument::UpdateChart( const OUString& rChartName )
{
    if (!mpDrawLayer || bInDtorClear)
        return;
    uno::Reference< chart2::XChartDocument > xChartDoc( GetChartByName( rChartName ) );
    if (xChartDoc && (!mpShell || mpShell->IsEnableSetModified()))
    {
        try
        {
            uno::Reference< util::XModifiable > xModif( xChartDoc, uno::UNO_QUERY_THROW );
            if (apTemporaryChartLock)
                apTemporaryChartLock->AlsoLockThisChart( uno::Reference< frame::XModel >( xModif, uno::UNO_QUERY ) );
            xModif->setModified( true );
        }
        catch ( uno::Exception& )
        {
        }
    }

    // After the update, chart keeps track of its own data source ranges,
    // the listener doesn't need to listen anymore, except the chart has
    // an internal data provider.
    if ( !( xChartDoc.is() && xChartDoc->hasInternalDataProvider() ) && pChartListenerCollection )
    {
        pChartListenerCollection->ChangeListening( rChartName, new ScRangeList );
    }
}

void ScDocument::RestoreChartListener( const OUString& rName )
{
    if (!pChartListenerCollection)
        return;

    // Read the data ranges from the chart object, and start listening to those ranges again
    // (called when a chart is saved, because then it might be swapped out and stop listening itself).

    uno::Reference< embed::XEmbeddedObject > xObject = FindOleObjectByName( rName );
    if ( !xObject.is() )
        return;

    uno::Reference< util::XCloseable > xComponent = xObject->getComponent();
    uno::Reference< chart2::XChartDocument > xChartDoc( xComponent, uno::UNO_QUERY );
    uno::Reference< chart2::data::XDataReceiver > xReceiver( xComponent, uno::UNO_QUERY );
    if ( !xChartDoc.is() || !xReceiver.is() || xChartDoc->hasInternalDataProvider() )
        return;

    const uno::Sequence<OUString> aRepresentations( xReceiver->getUsedRangeRepresentations() );
    ScRangeListRef aRanges = new ScRangeList;
    for ( const auto& rRepresentation : aRepresentations )
    {
        ScRange aRange;
        ScAddress::Details aDetails(GetAddressConvention(), 0, 0);
        if ( aRange.ParseAny( rRepresentation, *this, aDetails ) & ScRefFlags::VALID )
            aRanges->push_back( aRange );
    }

    pChartListenerCollection->ChangeListening( rName, aRanges );
}

void ScDocument::UpdateChartRef( UpdateRefMode eUpdateRefMode,
                                    SCCOL nCol1, SCROW nRow1, SCTAB nTab1,
                                    SCCOL nCol2, SCROW nRow2, SCTAB nTab2,
                                    SCCOL nDx, SCROW nDy, SCTAB nDz )
{
    if (!mpDrawLayer)
        return;

    ScChartListenerCollection::ListenersType& rListeners = pChartListenerCollection->getListeners();
    for (auto const& it : rListeners)
    {
        ScChartListener *const pChartListener = it.second.get();
        ScRangeListRef aRLR( pChartListener->GetRangeList() );
        ScRangeListRef aNewRLR( new ScRangeList );
        bool bChanged = false;
        bool bDataChanged = false;
        for ( size_t i = 0, nListSize = aRLR->size(); i < nListSize; ++i )
        {
            ScRange& rRange = (*aRLR)[i];
            SCCOL theCol1 = rRange.aStart.Col();
            SCROW theRow1 = rRange.aStart.Row();
            SCTAB theTab1 = rRange.aStart.Tab();
            SCCOL theCol2 = rRange.aEnd.Col();
            SCROW theRow2 = rRange.aEnd.Row();
            SCTAB theTab2 = rRange.aEnd.Tab();
            ScRefUpdateRes eRes = ScRefUpdate::Update(
                *this, eUpdateRefMode,
                nCol1,nRow1,nTab1, nCol2,nRow2,nTab2,
                nDx,nDy,nDz,
                theCol1,theRow1,theTab1,
                theCol2,theRow2,theTab2 );
            if ( eRes != UR_NOTHING )
            {
                bChanged = true;
                aNewRLR->push_back( ScRange(
                    theCol1, theRow1, theTab1,
                    theCol2, theRow2, theTab2 ));
                if ( eUpdateRefMode == URM_INSDEL
                    && !bDataChanged
                    && (eRes == UR_INVALID ||
                        ((rRange.aEnd.Col() - rRange.aStart.Col()
                        != theCol2 - theCol1)
                    || (rRange.aEnd.Row() - rRange.aStart.Row()
                        != theRow2 - theRow1)
                    || (rRange.aEnd.Tab() - rRange.aStart.Tab()
                        != theTab2 - theTab1))) )
                {
                    bDataChanged = true;
                }
            }
            else
                aNewRLR->push_back( rRange );
        }
        if ( bChanged )
        {
            // Force the chart to be loaded now, so it registers itself for UNO events.
            // UNO broadcasts are done after UpdateChartRef, so the chart will get this
            // reference change.

            uno::Reference<embed::XEmbeddedObject> xIPObj =
                FindOleObjectByName(pChartListener->GetName());

            (void)svt::EmbeddedObjectRef::TryRunningState( xIPObj );

            // After the change, chart keeps track of its own data source ranges,
            // the listener doesn't need to listen anymore, except the chart has
            // an internal data provider.
            bool bInternalDataProvider = false;
            if ( xIPObj.is() )
            {
                try
                {
                    uno::Reference< chart2::XChartDocument > xChartDoc( xIPObj->getComponent(), uno::UNO_QUERY_THROW );
                    bInternalDataProvider = xChartDoc->hasInternalDataProvider();
                }
                catch ( uno::Exception& )
                {
                }
            }
            if ( bInternalDataProvider )
            {
                pChartListener->ChangeListening( aNewRLR, bDataChanged );
            }
            else
            {
                pChartListener->ChangeListening( new ScRangeList, bDataChanged );
            }
        }
    }
}

void ScDocument::SetChartRangeList( std::u16string_view rChartName,
            const ScRangeListRef& rNewRangeListRef )
{
    // called from ChartListener

    if (!mpDrawLayer)
        return;

    for (SCTAB nTab=0; nTab< static_cast<SCTAB>(maTabs.size()) && maTabs[nTab]; nTab++)
    {
        SdrPage* pPage = mpDrawLayer->GetPage(static_cast<sal_uInt16>(nTab));
        OSL_ENSURE(pPage,"Page ?");

        SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
        SdrObject* pObject = aIter.Next();
        while (pObject)
        {
            if ( pObject->GetObjIdentifier() == SdrObjKind::OLE2 &&
                    static_cast<SdrOle2Obj*>(pObject)->GetPersistName() == rChartName )
            {
                uno::Reference< chart2::XChartDocument > xChartDoc( ScChartHelper::GetChartFromSdrObject( pObject ) );
                uno::Reference< chart2::data::XDataReceiver > xReceiver( xChartDoc, uno::UNO_QUERY );
                if ( xChartDoc.is() && xReceiver.is() )
                {
                    chart::ChartDataRowSource eDataRowSource = chart::ChartDataRowSource_COLUMNS;
                    bool bHasCategories = false;
                    bool bFirstCellAsLabel = false;
                    OUString aRangesStr;
                    lcl_GetChartParameters( xChartDoc, aRangesStr, eDataRowSource, bHasCategories, bFirstCellAsLabel );

                    OUString sRangeStr;
                    rNewRangeListRef->Format( sRangeStr, ScRefFlags::RANGE_ABS_3D, *this, GetAddressConvention() );

                    lcl_SetChartParameters( xReceiver, sRangeStr, eDataRowSource, bHasCategories, bFirstCellAsLabel );

                    // don't modify pChartListenerCollection here, called from there
                    return;
                }
            }
            pObject = aIter.Next();
        }
    }
}

bool ScDocument::HasData( SCCOL nCol, SCROW nRow, SCTAB nTab )
{
    if (ScTable* pTable = FetchTable(nTab) ; pTable && nCol < pTable->GetAllocatedColumnsCount())
        return pTable->HasData(nCol, nRow);
    return false;
}

uno::Reference< embed::XEmbeddedObject >
    ScDocument::FindOleObjectByName( std::u16string_view rName )
{
    if (!mpDrawLayer)
        return uno::Reference< embed::XEmbeddedObject >();

    //  take the pages here from Draw-Layer, as they might not match with the tables
    //  (e.g. delete Redo of table; Draw-Redo happens before DeleteTab)

    sal_uInt16 nCount = mpDrawLayer->GetPageCount();
    for (sal_uInt16 nTab=0; nTab<nCount; nTab++)
    {
        SdrPage* pPage = mpDrawLayer->GetPage(nTab);
        OSL_ENSURE(pPage,"Page ?");

        SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
        SdrObject* pObject = aIter.Next();
        while (pObject)
        {
            if ( pObject->GetObjIdentifier() == SdrObjKind::OLE2 )
            {
                SdrOle2Obj * pOleObject ( dynamic_cast< SdrOle2Obj * >( pObject ));
                if( pOleObject &&
                    pOleObject->GetPersistName() == rName )
                {
                    return pOleObject->GetObjRef();
                }
            }
            pObject = aIter.Next();
        }
    }

    return uno::Reference< embed::XEmbeddedObject >();
}

void ScDocument::UpdateChartListenerCollection()
{
    assert(pChartListenerCollection);

    bChartListenerCollectionNeedsUpdate = false;
    if (!mpDrawLayer)
        return;

    for (SCTAB nTab=0; nTab< static_cast<SCTAB>(maTabs.size()); nTab++)
    {
        if (!maTabs[nTab])
            continue;

        SdrPage* pPage = mpDrawLayer->GetPage(static_cast<sal_uInt16>(nTab));
        OSL_ENSURE(pPage,"Page ?");

        if (!pPage)
            continue;

        SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );
        ScChartListenerCollection::StringSetType& rNonOleObjects =
            pChartListenerCollection->getNonOleObjectNames();

        for (SdrObject* pObject = aIter.Next(); pObject; pObject = aIter.Next())
        {
            if ( pObject->GetObjIdentifier() != SdrObjKind::OLE2 )
                continue;

            OUString aObjName = static_cast<SdrOle2Obj*>(pObject)->GetPersistName();
            ScChartListener* pListener = pChartListenerCollection->findByName(aObjName);

            if (pListener)
                pListener->SetUsed(true);
            else if (rNonOleObjects.count(aObjName) > 0)
            {
                // non-chart OLE object -> don't touch
            }
            else
            {
                uno::Reference< embed::XEmbeddedObject > xIPObj = static_cast<SdrOle2Obj*>(pObject)->GetObjRef();
                OSL_ENSURE( xIPObj.is(), "No embedded object is given!");
                uno::Reference< css::chart2::data::XDataReceiver > xReceiver;
                if( xIPObj.is())
                    xReceiver.set( xIPObj->getComponent(), uno::UNO_QUERY );

                // if the object is a chart2::XDataReceiver, we must attach as XDataProvider
                if( xReceiver.is() &&
                    !PastingDrawFromOtherDoc())
                {
                    // NOTE: this currently does not work as we are
                    // unable to set the data. So a chart from the
                    // same document is treated like a chart with
                    // own data for the time being.

                    // data provider
                    // number formats supplier

                    // data ?
                    // how to set?? Defined in XML-file, which is already loaded!!!
                    // => we have to do this stuff here, BEFORE the chart is actually loaded
                }

                //  put into list of other ole objects, so the object doesn't have to
                //  be swapped in the next time UpdateChartListenerCollection is called
                //TODO: remove names when objects are no longer there?
                //  (object names aren't used again before reloading the document)

                rNonOleObjects.insert(aObjName);
            }
        }
    }
    // delete all that are not set SetUsed
    pChartListenerCollection->FreeUnused();
}

void ScDocument::AddOLEObjectToCollection(const OUString& rName)
{
    assert(pChartListenerCollection);
    ScChartListenerCollection::StringSetType& rNonOleObjects =
        pChartListenerCollection->getNonOleObjectNames();

    rNonOleObjects.insert(rName);
}

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