office-gobmx/chart2/source/model/template/DataInterpreter.cxx
2011-11-27 12:59:19 -06:00

466 lines
15 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "DataInterpreter.hxx"
#include "DataSeries.hxx"
#include "DataSourceHelper.hxx"
#include "DataSeriesHelper.hxx"
#include "macros.hxx"
#include "CommonConverters.hxx"
#include "ContainerHelper.hxx"
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/chart2/data/XDataSink.hpp>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using namespace ::std;
using namespace ::chart::ContainerHelper;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::rtl::OUString;
#if OSL_DEBUG_LEVEL > 1
namespace
{
void lcl_ShowDataSource( const Reference< data::XDataSource > & xSource );
}
#endif
namespace chart
{
DataInterpreter::DataInterpreter(
const Reference< uno::XComponentContext > & xContext ) :
m_xContext( xContext )
{}
DataInterpreter::~DataInterpreter()
{}
Reference< uno::XComponentContext > DataInterpreter::GetComponentContext() const
{
return m_xContext;
}
// ____ XDataInterpreter ____
InterpretedData SAL_CALL DataInterpreter::interpretDataSource(
const Reference< data::XDataSource >& xSource,
const Sequence< beans::PropertyValue >& aArguments,
const Sequence< Reference< XDataSeries > >& aSeriesToReUse )
throw (uno::RuntimeException)
{
if( ! xSource.is())
return InterpretedData();
#if OSL_DEBUG_LEVEL > 1
lcl_ShowDataSource( xSource );
#endif
Sequence< Reference< data::XLabeledDataSequence > > aData( xSource->getDataSequences() );
Reference< data::XLabeledDataSequence > xCategories;
vector< Reference< data::XLabeledDataSequence > > aSequencesVec;
// check if we should use categories
bool bHasCategories( HasCategories( aArguments, aData ));
// parse data
bool bCategoriesUsed = false;
for( sal_Int32 i=0; i < aData.getLength(); ++i )
{
try
{
if( bHasCategories && ! bCategoriesUsed )
{
xCategories.set( aData[i] );
if( xCategories.is())
SetRole( xCategories->getValues(), C2U("categories"));
bCategoriesUsed = true;
}
else
{
aSequencesVec.push_back( aData[i] );
if( aData[i].is())
SetRole( aData[i]->getValues(), C2U("values-y"));
}
}
catch( uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
// create DataSeries
vector< Reference< data::XLabeledDataSequence > >::const_iterator
aSequencesVecIt = aSequencesVec.begin();
sal_Int32 nSeriesIndex = 0;
vector< Reference< XDataSeries > > aSeriesVec;
aSeriesVec.reserve( aSequencesVec.size());
for( ;aSequencesVecIt != aSequencesVec.end(); ++aSequencesVecIt, ++nSeriesIndex )
{
Sequence< Reference< data::XLabeledDataSequence > > aNewData( & (*aSequencesVecIt), 1 );
Reference< XDataSeries > xSeries;
if( nSeriesIndex < aSeriesToReUse.getLength())
xSeries.set( aSeriesToReUse[nSeriesIndex] );
else
xSeries.set( new DataSeries( GetComponentContext() ));
OSL_ASSERT( xSeries.is() );
Reference< data::XDataSink > xSink( xSeries, uno::UNO_QUERY );
OSL_ASSERT( xSink.is() );
xSink->setData( aNewData );
aSeriesVec.push_back( xSeries );
}
Sequence< Sequence< Reference< XDataSeries > > > aSeries(1);
aSeries[0] = ContainerToSequence( aSeriesVec );
return InterpretedData( aSeries, xCategories );
}
InterpretedData SAL_CALL DataInterpreter::reinterpretDataSeries(
const InterpretedData& aInterpretedData )
throw (uno::RuntimeException)
{
InterpretedData aResult( aInterpretedData );
sal_Int32 i=0;
Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
const sal_Int32 nCount = aSeries.getLength();
for( ; i<nCount; ++i )
{
try
{
Reference< data::XDataSource > xSeriesSource( aSeries[i], uno::UNO_QUERY_THROW );
Sequence< Reference< data::XLabeledDataSequence > > aNewSequences;
// values-y
Reference< data::XLabeledDataSequence > xValuesY(
DataSeriesHelper::getDataSequenceByRole( xSeriesSource, C2U("values-y"), false ));
// re-use values-... as values-y
if( ! xValuesY.is())
{
xValuesY.set(
DataSeriesHelper::getDataSequenceByRole( xSeriesSource, C2U("values"), true ));
if( xValuesY.is())
SetRole( xValuesY->getValues(), C2U("values-y"));
}
if( xValuesY.is())
{
aNewSequences.realloc(1);
aNewSequences[0] = xValuesY;
}
Sequence< Reference< data::XLabeledDataSequence > > aSeqs( xSeriesSource->getDataSequences());
if( aSeqs.getLength() != aNewSequences.getLength() )
{
#if OSL_DEBUG_LEVEL > 1
sal_Int32 j=0;
for( ; j<aSeqs.getLength(); ++j )
{
OSL_ENSURE( aSeqs[j] == xValuesY, "All sequences should be used" );
}
#endif
Reference< data::XDataSink > xSink( xSeriesSource, uno::UNO_QUERY_THROW );
xSink->setData( aNewSequences );
}
}
catch( uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
return aResult;
}
// criterion: all series must have exactly one data::XLabeledDataSequence
sal_Bool SAL_CALL DataInterpreter::isDataCompatible(
const chart2::InterpretedData& aInterpretedData )
throw (uno::RuntimeException)
{
Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
for( sal_Int32 i=0; i<aSeries.getLength(); ++i )
{
try
{
Reference< data::XDataSource > xSrc( aSeries[i], uno::UNO_QUERY_THROW );
Sequence< Reference< data::XLabeledDataSequence > > aSeq( xSrc->getDataSequences());
if( aSeq.getLength() != 1 )
return sal_False;
}
catch( uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
return sal_True;
}
namespace
{
struct lcl_LabeledSequenceEquals : public std::unary_function< Reference< data::XLabeledDataSequence >, bool >
{
lcl_LabeledSequenceEquals( const Reference< data::XLabeledDataSequence > & xLSeqToCmp ) :
m_bHasLabels ( false ),
m_bHasValues ( false )
{
if( xLSeqToCmp.is())
{
Reference< data::XDataSequence > xSeq( xLSeqToCmp->getValues());
if( xSeq.is())
{
m_bHasValues = true;
m_aValuesRangeRep = xSeq->getSourceRangeRepresentation();
}
xSeq.set( xLSeqToCmp->getLabel());
if( xSeq.is())
{
m_bHasLabels = true;
m_aLabelRangeRep = xSeq->getSourceRangeRepresentation();
}
}
}
bool operator() ( const Reference< data::XLabeledDataSequence > & xSeq )
{
if( ! xSeq.is())
return false;
Reference< data::XDataSequence > xSeqValues( xSeq->getValues() );
Reference< data::XDataSequence > xSeqLabels( xSeq->getLabel() );
bool bHasValues = xSeqValues.is();
bool bHasLabels = xSeqLabels.is();
return ( ( (m_bHasValues == bHasValues) &&
(!bHasValues || m_aValuesRangeRep.equals( xSeqValues->getSourceRangeRepresentation())) ) &&
( (m_bHasLabels == bHasLabels) &&
(!bHasLabels || m_aLabelRangeRep.equals( xSeqLabels->getSourceRangeRepresentation())) )
);
}
private:
bool m_bHasLabels;
bool m_bHasValues;
OUString m_aValuesRangeRep;
OUString m_aLabelRangeRep;
};
} // anonymous namespace
Reference< data::XDataSource > SAL_CALL DataInterpreter::mergeInterpretedData(
const InterpretedData& aInterpretedData )
throw (uno::RuntimeException)
{
vector< Reference< data::XLabeledDataSequence > > aResultVec;
aResultVec.reserve( aInterpretedData.Series.getLength() +
1 // categories
);
if( aInterpretedData.Categories.is())
aResultVec.push_back( aInterpretedData.Categories );
Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
for( sal_Int32 nSeriesIdx=0; nSeriesIdx<aSeries.getLength(); ++nSeriesIdx )
{
try
{
Reference< data::XDataSource > xSrc( aSeries[nSeriesIdx], uno::UNO_QUERY_THROW );
Sequence< Reference< data::XLabeledDataSequence > > aSeq( xSrc->getDataSequences());
// add all sequences of data series
for( sal_Int32 nSeqIdx=0; nSeqIdx<aSeq.getLength(); ++nSeqIdx )
{
Reference< data::XLabeledDataSequence > xAdd( aSeq[nSeqIdx] );
// only add if sequence is not yet in the result
if( find_if( aResultVec.begin(), aResultVec.end(),
lcl_LabeledSequenceEquals( xAdd )) == aResultVec.end())
{
aResultVec.push_back( xAdd );
}
}
}
catch( uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
return Reference< data::XDataSource >( DataSourceHelper::createDataSource( ContainerToSequence( aResultVec ) ) );
}
// convenience methods
OUString DataInterpreter::GetRole( const Reference< data::XDataSequence > & xSeq )
{
OUString aResult;
if( ! xSeq.is())
return aResult;
try
{
Reference< beans::XPropertySet > xProp( xSeq, uno::UNO_QUERY_THROW );
xProp->getPropertyValue( C2U("Role")) >>= aResult;
}
catch( uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
return aResult;
}
void DataInterpreter::SetRole( const Reference< data::XDataSequence > & xSeq, const OUString & rRole )
{
if( ! xSeq.is())
return;
try
{
Reference< beans::XPropertySet > xProp( xSeq, uno::UNO_QUERY_THROW );
xProp->setPropertyValue( C2U("Role"), uno::makeAny( rRole ));
}
catch( uno::Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
uno::Any DataInterpreter::GetProperty(
const Sequence< beans::PropertyValue > & aArguments,
const OUString & rName )
{
for( sal_Int32 i=aArguments.getLength(); i--; )
{
if( aArguments[i].Name.equals( rName ))
return aArguments[i].Value;
}
return uno::Any();
}
bool DataInterpreter::HasCategories(
const Sequence< beans::PropertyValue > & rArguments,
const Sequence< Reference< data::XLabeledDataSequence > > & rData )
{
bool bHasCategories = false;
if( rArguments.getLength() > 0 )
GetProperty( rArguments, C2U(("HasCategories"))) >>= bHasCategories;
for( sal_Int32 nLSeqIdx=0; ! bHasCategories && nLSeqIdx<rData.getLength(); ++nLSeqIdx )
bHasCategories = ( rData[nLSeqIdx].is() &&
GetRole( rData[nLSeqIdx]->getValues()).equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("categories")));
return bHasCategories;
}
bool DataInterpreter::UseCategoriesAsX( const Sequence< beans::PropertyValue > & rArguments )
{
bool bUseCategoriesAsX = true;
if( rArguments.getLength() > 0 )
GetProperty( rArguments, C2U(("UseCategoriesAsX"))) >>= bUseCategoriesAsX;
return bUseCategoriesAsX;
}
// ------------------------------------------------------------
Sequence< OUString > DataInterpreter::getSupportedServiceNames_Static()
{
Sequence< OUString > aServices( 1 );
aServices[0] = C2U( "com.sun.star.chart2.DataInterpreter" );
return aServices;
}
// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
APPHELPER_XSERVICEINFO_IMPL( DataInterpreter, C2U("com.sun.star.comp.chart2.DataInterpreter"));
} // namespace chart
#if OSL_DEBUG_LEVEL > 1
namespace
{
void lcl_ShowDataSource( const Reference< data::XDataSource > & xSource )
{
if( ! xSource.is())
return;
OSL_TRACE( "DataSource in DataInterpreter:" );
Sequence< Reference< data::XLabeledDataSequence > > aSequences( xSource->getDataSequences());
Reference< beans::XPropertySet > xProp;
OUString aId;
const sal_Int32 nMax = aSequences.getLength();
for( sal_Int32 k = 0; k < nMax; ++k )
{
if( aSequences[k].is())
{
OUString aSourceRepr(C2U("<none>"));
if( aSequences[k]->getValues().is())
aSourceRepr = aSequences[k]->getValues()->getSourceRangeRepresentation();
xProp.set( aSequences[k]->getValues(), uno::UNO_QUERY );
if( xProp.is() &&
( xProp->getPropertyValue( C2U( "Role" )) >>= aId ))
{
OSL_TRACE( " <data sequence %d> Role: %s, Source: %s", k, U2C( aId ), U2C( aSourceRepr ));
}
else
{
OSL_TRACE( " <data sequence %d> unknown Role, Source: %s", k, U2C( aSourceRepr ) );
}
aSourceRepr = C2U("<none>");
if( aSequences[k]->getLabel().is())
aSourceRepr = OUString( aSequences[k]->getLabel()->getSourceRangeRepresentation());
xProp.set( aSequences[k]->getLabel(), uno::UNO_QUERY );
if( xProp.is() &&
( xProp->getPropertyValue( C2U( "Role" )) >>= aId ))
{
OSL_TRACE( " <data sequence label %d> Role: %s, Source: %s", k, U2C( aId ), U2C( aSourceRepr ));
}
else
{
OSL_TRACE( " <data sequence label %d> unknown Role, Source: %s", k, U2C( aSourceRepr ) );
}
}
}
}
}
#endif
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