204 lines
8.7 KiB
C++
204 lines
8.7 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_chart2.hxx"
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#include "ChartDropTargetHelper.hxx"
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#include "DiagramHelper.hxx"
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#include "DataSourceHelper.hxx"
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#include <com/sun/star/chart2/XChartDocument.hpp>
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#include <com/sun/star/chart2/data/XDataProvider.hpp>
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#include <com/sun/star/container/XChild.hpp>
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#include <sot/formats.hxx>
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#include <vector>
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using namespace ::com::sun::star;
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::uno::Sequence;
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using ::rtl::OUString;
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namespace
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{
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::std::vector< OUString > lcl_getStringsFromByteSequence(
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const Sequence< sal_Int8 > & aByteSequence )
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{
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::std::vector< OUString > aResult;
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const sal_Int32 nLength = aByteSequence.getLength();
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const sal_Char * pBytes( reinterpret_cast< const sal_Char* >( aByteSequence.getConstArray()));
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sal_Int32 nStartPos = 0;
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for( sal_Int32 nPos=0; nPos<nLength; ++nPos )
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{
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if( pBytes[nPos] == '\0' )
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{
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aResult.push_back( OUString( pBytes + nStartPos, (nPos - nStartPos), RTL_TEXTENCODING_ASCII_US ));
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nStartPos = nPos + 1;
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}
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}
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return aResult;
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}
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} // anonymous namespace
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namespace chart
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{
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ChartDropTargetHelper::ChartDropTargetHelper(
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const Reference< datatransfer::dnd::XDropTarget >& rxDropTarget,
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const Reference< chart2::XChartDocument > & xChartDocument ) :
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DropTargetHelper( rxDropTarget ),
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m_xChartDocument( xChartDocument )
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{}
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ChartDropTargetHelper::~ChartDropTargetHelper()
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{}
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bool ChartDropTargetHelper::satisfiesPrerequisites() const
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{
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return ( m_xChartDocument.is() &&
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! m_xChartDocument->hasInternalDataProvider());
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}
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sal_Int8 ChartDropTargetHelper::AcceptDrop( const AcceptDropEvent& rEvt )
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{
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sal_Int8 nResult = DND_ACTION_NONE;
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if( ( rEvt.mnAction == DND_ACTION_COPY ||
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rEvt.mnAction == DND_ACTION_MOVE ) &&
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satisfiesPrerequisites() &&
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IsDropFormatSupported( SOT_FORMATSTR_ID_LINK ) )
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{
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// @todo: check if the data is suitable. Is this possible without XTransferable?
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nResult = rEvt.mnAction;
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}
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return nResult;
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}
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sal_Int8 ChartDropTargetHelper::ExecuteDrop( const ExecuteDropEvent& rEvt )
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{
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sal_Int8 nResult = DND_ACTION_NONE;
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if( ( rEvt.mnAction == DND_ACTION_COPY ||
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rEvt.mnAction == DND_ACTION_MOVE ) &&
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rEvt.maDropEvent.Transferable.is() &&
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satisfiesPrerequisites())
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{
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TransferableDataHelper aDataHelper( rEvt.maDropEvent.Transferable );
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if( aDataHelper.HasFormat( SOT_FORMATSTR_ID_LINK ))
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{
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Sequence< sal_Int8 > aBytes;
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if( aDataHelper.GetSequence( SOT_FORMATSTR_ID_LINK, aBytes ))
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{
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::std::vector< OUString > aStrings( lcl_getStringsFromByteSequence( aBytes ));
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if( aStrings.size() >= 3 &&
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aStrings[0].equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "soffice" )))
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{
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OUString aDocName( aStrings[1] );
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OUString aRangeString( aStrings[2] );
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Reference< container::XChild > xChild( m_xChartDocument, uno::UNO_QUERY );
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if( xChild.is())
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{
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Reference< frame::XModel > xParentModel( xChild->getParent(), uno::UNO_QUERY );
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if( xParentModel.is() &&
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m_xChartDocument.is())
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{
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bool bDataComesFromParent = true;
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// @todo: get the title somehow and compare it to
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// aDocName if successful (the document is the
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// parent)
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if( bDataComesFromParent )
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{
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Reference< chart2::data::XDataProvider > xDataProvider( m_xChartDocument->getDataProvider());
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if( xDataProvider.is() &&
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DataSourceHelper::allArgumentsForRectRangeDetected( m_xChartDocument ))
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{
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DiagramHelper::tTemplateWithServiceName aTempWithServ(
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DiagramHelper::getTemplateForDiagram(
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m_xChartDocument->getFirstDiagram(),
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Reference< lang::XMultiServiceFactory >(
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m_xChartDocument->getChartTypeManager(), uno::UNO_QUERY )));
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if( aTempWithServ.first.is())
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{
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Reference< chart2::data::XDataSource > xDataSource(
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DataSourceHelper::pressUsedDataIntoRectangularFormat( m_xChartDocument ));
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Sequence< beans::PropertyValue > aArguments(
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xDataProvider->detectArguments( xDataSource ));
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OUString aOldRange;
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beans::PropertyValue * pCellRange = 0;
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for( sal_Int32 i=0; i<aArguments.getLength(); ++i )
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{
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if( aArguments[i].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("CellRangeRepresentation")))
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{
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pCellRange = (aArguments.getArray() + i);
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aArguments[i].Value >>= aOldRange;
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break;
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}
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}
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if( pCellRange )
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{
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// copy means add ranges, move means replace
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if( rEvt.mnAction == DND_ACTION_COPY )
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{
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// @todo: using implcit knowledge that ranges can be
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// merged with ";". This should be done more general
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pCellRange->Value <<= (aOldRange + OUString( sal_Unicode(';')) + aRangeString );
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}
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// move means replace range
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else
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{
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pCellRange->Value <<= aRangeString;
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}
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xDataSource.set( xDataProvider->createDataSource( aArguments ));
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aTempWithServ.first->changeDiagramData(
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m_xChartDocument->getFirstDiagram(),
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xDataSource,
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aArguments );
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// always return copy state to avoid deletion of the
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// dragged range
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nResult = DND_ACTION_COPY;
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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return nResult;
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}
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} // namespace chart
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