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libreoffice/chart2/source/model/template/DataInterpreter.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

444 lines
14 KiB
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 <DataInterpreter.hxx>
#include <DataSeries.hxx>
#include <DataSource.hxx>
#include <DataSeriesHelper.hxx>
#include <CommonConverters.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <algorithm>
#include <cstddef>
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
#ifdef DEBUG_CHART2_TEMPLATE
namespace
{
void lcl_ShowDataSource( const Reference< data::XDataSource > & xSource );
}
#endif
namespace chart
{
DataInterpreter::DataInterpreter()
{}
DataInterpreter::~DataInterpreter()
{}
// ____ XDataInterpreter ____
InterpretedData DataInterpreter::interpretDataSource(
const Reference< data::XDataSource >& xSource,
const Sequence< beans::PropertyValue >& aArguments,
const std::vector< rtl::Reference< DataSeries > >& aSeriesToReUse )
{
if( ! xSource.is())
return InterpretedData();
#ifdef DEBUG_CHART2_TEMPLATE
lcl_ShowDataSource( xSource );
#endif
std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > aData = getDataSequences(xSource);
uno::Reference< chart2::data::XLabeledDataSequence > xCategories;
std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > aSequencesVec;
// check if we should use categories
bool bHasCategories( HasCategories( aArguments, aData ));
// parse data
bool bCategoriesUsed = false;
for( uno::Reference< chart2::data::XLabeledDataSequence > const & labeledData : aData )
{
try
{
if( bHasCategories && ! bCategoriesUsed )
{
xCategories = labeledData;
if( xCategories.is())
SetRole( xCategories->getValues(), u"categories"_ustr);
bCategoriesUsed = true;
}
else
{
aSequencesVec.push_back( labeledData );
if( labeledData.is())
SetRole( labeledData->getValues(), u"values-y"_ustr);
}
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
}
// create DataSeries
std::size_t nSeriesIndex = 0;
std::vector< rtl::Reference< DataSeries > > aSeriesVec;
aSeriesVec.reserve( aSequencesVec.size());
for (auto const& elem : aSequencesVec)
{
std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > aNewData { elem };
rtl::Reference< DataSeries > xSeries;
if( nSeriesIndex < aSeriesToReUse.size())
xSeries = aSeriesToReUse[nSeriesIndex];
else
xSeries = new DataSeries;
assert( xSeries.is() );
xSeries->setData( aNewData );
aSeriesVec.push_back( xSeries );
++nSeriesIndex;
}
return { { std::move(aSeriesVec) }, xCategories };
}
InterpretedData DataInterpreter::reinterpretDataSeries(
const InterpretedData& aInterpretedData )
{
InterpretedData aResult( aInterpretedData );
sal_Int32 i=0;
std::vector< rtl::Reference< DataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
const sal_Int32 nCount = aSeries.size();
for( ; i<nCount; ++i )
{
try
{
std::vector< uno::Reference< data::XLabeledDataSequence > > aNewSequences;
// values-y
uno::Reference< data::XLabeledDataSequence > xValuesY =
DataSeriesHelper::getDataSequenceByRole( aSeries[i], u"values-y"_ustr );
// re-use values-... as values-y
if( ! xValuesY.is())
{
xValuesY =
DataSeriesHelper::getDataSequenceByRole( aSeries[i], u"values"_ustr, true );
if( xValuesY.is())
SetRole( xValuesY->getValues(), u"values-y"_ustr);
}
if( xValuesY.is())
{
aNewSequences = { xValuesY };
}
const std::vector< uno::Reference< data::XLabeledDataSequence > > & aSeqs = aSeries[i]->getDataSequences2();
if( aSeqs.size() != aNewSequences.size() )
{
#ifdef DEBUG_CHART2_TEMPLATE
sal_Int32 j=0;
for( ; j<aSeqs.(); ++j )
{
assert( aSeqs[j] == xValuesY && "All sequences should be used" );
}
#endif
aSeries[i]->setData( aNewSequences );
}
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
}
return aResult;
}
// criterion: all series must have exactly one data::XLabeledDataSequence
bool DataInterpreter::isDataCompatible(
const InterpretedData& aInterpretedData )
{
const std::vector< rtl::Reference< DataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
for( rtl::Reference< DataSeries > const & i : aSeries )
{
try
{
if( i->getDataSequences2().size() != 1 )
return false;
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
}
return true;
}
namespace
{
struct lcl_LabeledSequenceEquals
{
explicit lcl_LabeledSequenceEquals( const Reference< data::XLabeledDataSequence > & xLSeqToCmp ) :
m_bHasLabels ( false ),
m_bHasValues ( false )
{
if( !xLSeqToCmp.is())
return;
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 == xSeqValues->getSourceRangeRepresentation()) ) &&
( (m_bHasLabels == bHasLabels) &&
(!bHasLabels || m_aLabelRangeRep == xSeqLabels->getSourceRangeRepresentation()) )
);
}
private:
bool m_bHasLabels;
bool m_bHasValues;
OUString m_aValuesRangeRep;
OUString m_aLabelRangeRep;
};
} // anonymous namespace
rtl::Reference< DataSource > DataInterpreter::mergeInterpretedData(
const InterpretedData& aInterpretedData )
{
std::vector< Reference< data::XLabeledDataSequence > > aResultVec;
aResultVec.reserve( aInterpretedData.Series.size() +
1 // categories
);
if( aInterpretedData.Categories.is())
aResultVec.push_back( aInterpretedData.Categories );
const std::vector< rtl::Reference< DataSeries > > aSeries = FlattenSequence( aInterpretedData.Series );
for( rtl::Reference< DataSeries > const & dataSeries : aSeries )
{
try
{
// add all sequences of data series
for( uno::Reference< data::XLabeledDataSequence > const & xAdd : dataSeries->getDataSequences2() )
{
// only add if sequence is not yet in the result
if( none_of( aResultVec.begin(), aResultVec.end(),
lcl_LabeledSequenceEquals( xAdd )) )
{
aResultVec.push_back( xAdd );
}
}
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
}
return new DataSource(aResultVec);
}
uno::Any DataInterpreter::getChartTypeSpecificData(
const OUString & )
{
return uno::Any();
}
// 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( u"Role"_ustr) >>= aResult;
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
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( u"Role"_ustr, uno::Any( rRole ));
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
}
uno::Any DataInterpreter::GetProperty(
const Sequence< beans::PropertyValue > & aArguments,
std::u16string_view rName )
{
for( sal_Int32 i=aArguments.getLength(); i--; )
{
if( aArguments[i].Name == rName )
return aArguments[i].Value;
}
return uno::Any();
}
bool DataInterpreter::HasCategories(
const Sequence< beans::PropertyValue > & rArguments,
const std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > & rData )
{
bool bHasCategories = false;
if( rArguments.hasElements() )
GetProperty( rArguments, u"HasCategories" ) >>= bHasCategories;
for( std::size_t nLSeqIdx=0; ! bHasCategories && nLSeqIdx<rData.size(); ++nLSeqIdx )
bHasCategories = ( rData[nLSeqIdx].is() && GetRole( rData[nLSeqIdx]->getValues() ) == "categories");
return bHasCategories;
}
bool DataInterpreter::UseCategoriesAsX( const Sequence< beans::PropertyValue > & rArguments )
{
bool bUseCategoriesAsX = true;
if( rArguments.hasElements() )
GetProperty( rArguments, u"UseCategoriesAsX" ) >>= bUseCategoriesAsX;
return bUseCategoriesAsX;
}
OUString SAL_CALL DataInterpreter::getImplementationName()
{
return u"com.sun.star.comp.chart2.DataInterpreter"_ustr;
}
sal_Bool SAL_CALL DataInterpreter::supportsService( const OUString& rServiceName )
{
return cppu::supportsService(this, rServiceName);
}
css::uno::Sequence< OUString > SAL_CALL DataInterpreter::getSupportedServiceNames()
{
return { u"com.sun.star.chart2.DataInterpreter"_ustr };
}
std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > DataInterpreter::getDataSequences(
const css::uno::Reference< css::chart2::data::XDataSource >& xSource)
{
std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > aData;
for (const Reference< data::XLabeledDataSequence > & rLDS : xSource->getDataSequences() )
{
aData.push_back(rLDS);
}
return aData;
}
} // namespace chart
#ifdef DEBUG_CHART2_TEMPLATE
namespace
{
void lcl_ShowDataSource( const Reference< data::XDataSource > & xSource )
{
if( ! xSource.is())
return;
SAL_INFO("chart2", "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("<none>");
if( aSequences[k]->getValues().is())
aSourceRepr = aSequences[k]->getValues()->getSourceRangeRepresentation();
xProp.set( aSequences[k]->getValues(), uno::UNO_QUERY );
if( xProp.is() &&
( xProp->getPropertyValue( "Role") >>= aId ))
{
SAL_INFO("chart2", " <data sequence " << k << "> Role: " << aId << ", Source: "<< aSourceRepr);
}
else
{
SAL_INFO("chart2", " <data sequence " << k << "> unknown Role, Source: " << aSourceRepr );
}
aSourceRepr = "<none>";
if( aSequences[k]->getLabel().is())
aSourceRepr = aSequences[k]->getLabel()->getSourceRangeRepresentation();
xProp.set( aSequences[k]->getLabel(), uno::UNO_QUERY );
if( xProp.is() &&
( xProp->getPropertyValue( "Role") >>= aId ))
{
SAL_INFO("chart2", " <data sequence label " << k << "> Role: " << aId
<< ", Source: " << aSourceRepr );
}
else
{
SAL_INFO("chart2", " <data sequence label " << k << "> unknown Role, Source: " << aSourceRepr );
}
}
}
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */