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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /chart2/source/model/template/DataInterpreter.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'chart2/source/model/template/DataInterpreter.cxx')
-rw-r--r-- | chart2/source/model/template/DataInterpreter.cxx | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/chart2/source/model/template/DataInterpreter.cxx b/chart2/source/model/template/DataInterpreter.cxx new file mode 100644 index 000000000..7e85e0b36 --- /dev/null +++ b/chart2/source/model/template/DataInterpreter.cxx @@ -0,0 +1,441 @@ +/* -*- 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 <DataSourceHelper.hxx> +#include <DataSeriesHelper.hxx> +#include <CommonConverters.hxx> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/chart2/data/XDataSink.hpp> +#include <cppuhelper/supportsservice.hxx> +#include <tools/diagnose_ex.h> + +#include <vector> +#include <algorithm> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::chart2; +using namespace ::std; + +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 SAL_CALL DataInterpreter::interpretDataSource( + const Reference< data::XDataSource >& xSource, + const Sequence< beans::PropertyValue >& aArguments, + const Sequence< Reference< XDataSeries > >& aSeriesToReUse ) +{ + if( ! xSource.is()) + return InterpretedData(); + +#ifdef DEBUG_CHART2_TEMPLATE + lcl_ShowDataSource( xSource ); +#endif + + const 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( Reference< data::XLabeledDataSequence > const & labeledData : aData ) + { + try + { + if( bHasCategories && ! bCategoriesUsed ) + { + xCategories.set( labeledData ); + if( xCategories.is()) + SetRole( xCategories->getValues(), "categories"); + bCategoriesUsed = true; + } + else + { + aSequencesVec.push_back( labeledData ); + if( labeledData.is()) + SetRole( labeledData->getValues(), "values-y"); + } + } + catch( const uno::Exception & ) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } + } + + // create DataSeries + sal_Int32 nSeriesIndex = 0; + vector< Reference< XDataSeries > > aSeriesVec; + aSeriesVec.reserve( aSequencesVec.size()); + + for (auto const& elem : aSequencesVec) + { + Sequence< Reference< data::XLabeledDataSequence > > aNewData( &elem, 1 ); + Reference< XDataSeries > xSeries; + if( nSeriesIndex < aSeriesToReUse.getLength()) + xSeries.set( aSeriesToReUse[nSeriesIndex] ); + else + xSeries.set( new DataSeries ); + OSL_ASSERT( xSeries.is() ); + Reference< data::XDataSink > xSink( xSeries, uno::UNO_QUERY ); + OSL_ASSERT( xSink.is() ); + xSink->setData( aNewData ); + + aSeriesVec.push_back( xSeries ); + ++nSeriesIndex; + } + + Sequence< Sequence< Reference< XDataSeries > > > aSeries(1); + aSeries[0] = comphelper::containerToSequence( aSeriesVec ); + return InterpretedData( aSeries, xCategories ); +} + +InterpretedData SAL_CALL DataInterpreter::reinterpretDataSeries( + const InterpretedData& aInterpretedData ) +{ + 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, "values-y" )); + // re-use values-... as values-y + if( ! xValuesY.is()) + { + xValuesY.set( + DataSeriesHelper::getDataSequenceByRole( xSeriesSource, "values", true )); + if( xValuesY.is()) + SetRole( xValuesY->getValues(), "values-y"); + } + if( xValuesY.is()) + { + aNewSequences.realloc(1); + aNewSequences[0] = xValuesY; + } + + Sequence< Reference< data::XLabeledDataSequence > > aSeqs( xSeriesSource->getDataSequences()); + if( aSeqs.getLength() != aNewSequences.getLength() ) + { +#ifdef DEBUG_CHART2_TEMPLATE + sal_Int32 j=0; + for( ; j<aSeqs.(); ++j ) + { + assert( aSeqs[j] == xValuesY && "All sequences should be used" ); + } +#endif + Reference< data::XDataSink > xSink( xSeriesSource, uno::UNO_QUERY_THROW ); + xSink->setData( aNewSequences ); + } + } + catch( const uno::Exception & ) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } + } + + return aResult; +} + +// criterion: all series must have exactly one data::XLabeledDataSequence +sal_Bool SAL_CALL DataInterpreter::isDataCompatible( + const chart2::InterpretedData& aInterpretedData ) +{ + const Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series )); + for( Reference< XDataSeries > const & i : aSeries ) + { + try + { + Reference< data::XDataSource > xSrc( i, uno::UNO_QUERY_THROW ); + Sequence< Reference< data::XLabeledDataSequence > > aSeq( xSrc->getDataSequences()); + if( aSeq.getLength() != 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 + +Reference< data::XDataSource > SAL_CALL DataInterpreter::mergeInterpretedData( + const InterpretedData& aInterpretedData ) +{ + vector< Reference< data::XLabeledDataSequence > > aResultVec; + aResultVec.reserve( aInterpretedData.Series.getLength() + + 1 // categories + ); + + if( aInterpretedData.Categories.is()) + aResultVec.push_back( aInterpretedData.Categories ); + + const Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series )); + for( Reference< XDataSeries > const & dataSeries : aSeries ) + { + try + { + Reference< data::XDataSource > xSrc( dataSeries, uno::UNO_QUERY_THROW ); + const Sequence< Reference< data::XLabeledDataSequence > > aSeq( xSrc->getDataSequences()); + + // add all sequences of data series + for( Reference< data::XLabeledDataSequence > const & xAdd : aSeq ) + { + // 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 DataSourceHelper::createDataSource( comphelper::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( "Role") >>= 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( "Role", uno::Any( rRole )); + } + catch( const uno::Exception & ) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } +} + +uno::Any DataInterpreter::GetProperty( + const Sequence< beans::PropertyValue > & aArguments, + const OUString & 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 Sequence< Reference< data::XLabeledDataSequence > > & rData ) +{ + bool bHasCategories = false; + + if( rArguments.hasElements() ) + GetProperty( rArguments, "HasCategories" ) >>= bHasCategories; + + for( sal_Int32 nLSeqIdx=0; ! bHasCategories && nLSeqIdx<rData.getLength(); ++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, "UseCategoriesAsX" ) >>= bUseCategoriesAsX; + return bUseCategoriesAsX; +} + +OUString SAL_CALL DataInterpreter::getImplementationName() +{ + return "com.sun.star.comp.chart2.DataInterpreter"; +} + +sal_Bool SAL_CALL DataInterpreter::supportsService( const OUString& rServiceName ) +{ + return cppu::supportsService(this, rServiceName); +} + +css::uno::Sequence< OUString > SAL_CALL DataInterpreter::getSupportedServiceNames() +{ + return { "com.sun.star.chart2.DataInterpreter" }; +} + +} // 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: */ |