diff options
Diffstat (limited to 'chart2/source/controller/main/ChartDropTargetHelper.cxx')
| -rw-r--r-- | chart2/source/controller/main/ChartDropTargetHelper.cxx | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/chart2/source/controller/main/ChartDropTargetHelper.cxx b/chart2/source/controller/main/ChartDropTargetHelper.cxx new file mode 100644 index 000000000000..fd7dc3ad1744 --- /dev/null +++ b/chart2/source/controller/main/ChartDropTargetHelper.cxx @@ -0,0 +1,193 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_chart2.hxx" + +#include "ChartDropTargetHelper.hxx" +#include "DiagramHelper.hxx" +#include "DataSourceHelper.hxx" + +#include <com/sun/star/chart2/XChartDocument.hpp> +#include <com/sun/star/chart2/data/XDataProvider.hpp> +#include <com/sun/star/container/XChild.hpp> + +#include <sot/formats.hxx> +#include <vector> + +using namespace ::com::sun::star; + +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Sequence; +using ::rtl::OUString; + +namespace +{ + +::std::vector< OUString > lcl_getStringsFromByteSequence( + const Sequence< sal_Int8 > & aByteSequence ) +{ + ::std::vector< OUString > aResult; + const sal_Int32 nLength = aByteSequence.getLength(); + const sal_Char * pBytes( reinterpret_cast< const sal_Char* >( aByteSequence.getConstArray())); + sal_Int32 nStartPos = 0; + for( sal_Int32 nPos=0; nPos<nLength; ++nPos ) + { + if( pBytes[nPos] == '\0' ) + { + aResult.push_back( OUString( pBytes + nStartPos, (nPos - nStartPos), RTL_TEXTENCODING_ASCII_US )); + nStartPos = nPos + 1; + } + } + return aResult; +} + +} // anonymous namespace + +namespace chart +{ + +ChartDropTargetHelper::ChartDropTargetHelper( + const Reference< datatransfer::dnd::XDropTarget >& rxDropTarget, + const Reference< chart2::XChartDocument > & xChartDocument ) : + DropTargetHelper( rxDropTarget ), + m_xChartDocument( xChartDocument ) +{} + +ChartDropTargetHelper::~ChartDropTargetHelper() +{} + +bool ChartDropTargetHelper::satisfiesPrerequisites() const +{ + return ( m_xChartDocument.is() && + ! m_xChartDocument->hasInternalDataProvider()); +} + +sal_Int8 ChartDropTargetHelper::AcceptDrop( const AcceptDropEvent& rEvt ) +{ + sal_Int8 nResult = DND_ACTION_NONE; + + if( ( rEvt.mnAction == DND_ACTION_COPY || + rEvt.mnAction == DND_ACTION_MOVE ) && + satisfiesPrerequisites() && + IsDropFormatSupported( SOT_FORMATSTR_ID_LINK ) ) + { + // @todo: check if the data is suitable. Is this possible without XTransferable? + nResult = rEvt.mnAction; + } + + return nResult; +} + +sal_Int8 ChartDropTargetHelper::ExecuteDrop( const ExecuteDropEvent& rEvt ) +{ + sal_Int8 nResult = DND_ACTION_NONE; + + if( ( rEvt.mnAction == DND_ACTION_COPY || + rEvt.mnAction == DND_ACTION_MOVE ) && + rEvt.maDropEvent.Transferable.is() && + satisfiesPrerequisites()) + { + TransferableDataHelper aDataHelper( rEvt.maDropEvent.Transferable ); + if( aDataHelper.HasFormat( SOT_FORMATSTR_ID_LINK )) + { + Sequence< sal_Int8 > aBytes; + if( aDataHelper.GetSequence( SOT_FORMATSTR_ID_LINK, aBytes )) + { + ::std::vector< OUString > aStrings( lcl_getStringsFromByteSequence( aBytes )); + if( aStrings.size() >= 3 && + aStrings[0].equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "soffice" ))) + { + OUString aDocName( aStrings[1] ); + OUString aRangeString( aStrings[2] ); + Reference< container::XChild > xChild( m_xChartDocument, uno::UNO_QUERY ); + if( xChild.is()) + { + Reference< frame::XModel > xParentModel( xChild->getParent(), uno::UNO_QUERY ); + if( xParentModel.is() && + m_xChartDocument.is()) + { + bool bDataComesFromParent = true; + // @todo: get the title somehow and compare it to + // aDocName if successful (the document is the + // parent) + if( bDataComesFromParent ) + { + Reference< chart2::XDiagram > xDiagram( m_xChartDocument->getFirstDiagram() ); + Reference< chart2::data::XDataProvider > xDataProvider( m_xChartDocument->getDataProvider()); + if( xDataProvider.is() && xDiagram.is() && + DataSourceHelper::allArgumentsForRectRangeDetected( m_xChartDocument )) + { + Reference< chart2::data::XDataSource > xDataSource( + DataSourceHelper::pressUsedDataIntoRectangularFormat( m_xChartDocument )); + Sequence< beans::PropertyValue > aArguments( + xDataProvider->detectArguments( xDataSource )); + + OUString aOldRange; + beans::PropertyValue * pCellRange = 0; + for( sal_Int32 i=0; i<aArguments.getLength(); ++i ) + { + if( aArguments[i].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("CellRangeRepresentation"))) + { + pCellRange = (aArguments.getArray() + i); + aArguments[i].Value >>= aOldRange; + break; + } + } + if( pCellRange ) + { + // copy means add ranges, move means replace + if( rEvt.mnAction == DND_ACTION_COPY ) + { + // @todo: using implcit knowledge that ranges can be + // merged with ";". This should be done more general + pCellRange->Value <<= (aOldRange + OUString( sal_Unicode(';')) + aRangeString ); + } + // move means replace range + else + { + pCellRange->Value <<= aRangeString; + } + + xDataSource.set( xDataProvider->createDataSource( aArguments )); + xDiagram->setDiagramData( xDataSource, aArguments ); + + // always return copy state to avoid deletion of the dragged range + nResult = DND_ACTION_COPY; + } + } + } + } + } + } + } + } + } + return nResult; +} + +} // namespace chart |