office-gobmx/chart2/source/controller/main/ChartDropTargetHelper.cxx

204 lines
8.7 KiB
C++

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// 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::data::XDataProvider > xDataProvider( m_xChartDocument->getDataProvider());
if( xDataProvider.is() &&
DataSourceHelper::allArgumentsForRectRangeDetected( m_xChartDocument ))
{
DiagramHelper::tTemplateWithServiceName aTempWithServ(
DiagramHelper::getTemplateForDiagram(
m_xChartDocument->getFirstDiagram(),
Reference< lang::XMultiServiceFactory >(
m_xChartDocument->getChartTypeManager(), uno::UNO_QUERY )));
if( aTempWithServ.first.is())
{
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 ));
aTempWithServ.first->changeDiagramData(
m_xChartDocument->getFirstDiagram(),
xDataSource,
aArguments );
// always return copy state to avoid deletion of the
// dragged range
nResult = DND_ACTION_COPY;
}
}
}
}
}
}
}
}
}
}
return nResult;
}
} // namespace chart