forked from amazingfate/loongoffice
c8598f28db
A new function was defined, XdataInterpreter::getChartTypeSpecificData. Being 100% chart-type-agnostic when retrieving chart data is impossible; candlestick charts can have different numbers of sequences per series, and this information is not present in any other chart type. Change-Id: I0f54b09202c42667331b083d54d90e4ceee81083 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113075 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
448 lines
14 KiB
C++
448 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "DataInterpreter.hxx"
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#include <DataSeries.hxx>
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#include <DataSourceHelper.hxx>
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#include <DataSeriesHelper.hxx>
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#include <CommonConverters.hxx>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/chart2/data/XDataSink.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <tools/diagnose_ex.h>
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#include <vector>
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#include <algorithm>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::chart2;
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using namespace ::std;
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::uno::Sequence;
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#ifdef DEBUG_CHART2_TEMPLATE
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namespace
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{
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void lcl_ShowDataSource( const Reference< data::XDataSource > & xSource );
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}
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#endif
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namespace chart
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{
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DataInterpreter::DataInterpreter()
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{}
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DataInterpreter::~DataInterpreter()
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{}
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// ____ XDataInterpreter ____
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InterpretedData SAL_CALL DataInterpreter::interpretDataSource(
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const Reference< data::XDataSource >& xSource,
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const Sequence< beans::PropertyValue >& aArguments,
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const Sequence< Reference< XDataSeries > >& aSeriesToReUse )
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{
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if( ! xSource.is())
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return InterpretedData();
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#ifdef DEBUG_CHART2_TEMPLATE
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lcl_ShowDataSource( xSource );
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#endif
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const Sequence< Reference< data::XLabeledDataSequence > > aData( xSource->getDataSequences() );
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Reference< data::XLabeledDataSequence > xCategories;
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vector< Reference< data::XLabeledDataSequence > > aSequencesVec;
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// check if we should use categories
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bool bHasCategories( HasCategories( aArguments, aData ));
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// parse data
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bool bCategoriesUsed = false;
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for( Reference< data::XLabeledDataSequence > const & labeledData : aData )
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{
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try
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{
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if( bHasCategories && ! bCategoriesUsed )
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{
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xCategories.set( labeledData );
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if( xCategories.is())
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SetRole( xCategories->getValues(), "categories");
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bCategoriesUsed = true;
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}
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else
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{
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aSequencesVec.push_back( labeledData );
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if( labeledData.is())
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SetRole( labeledData->getValues(), "values-y");
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}
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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// create DataSeries
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sal_Int32 nSeriesIndex = 0;
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vector< Reference< XDataSeries > > aSeriesVec;
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aSeriesVec.reserve( aSequencesVec.size());
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for (auto const& elem : aSequencesVec)
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{
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Sequence< Reference< data::XLabeledDataSequence > > aNewData( &elem, 1 );
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Reference< XDataSeries > xSeries;
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if( nSeriesIndex < aSeriesToReUse.getLength())
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xSeries.set( aSeriesToReUse[nSeriesIndex] );
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else
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xSeries.set( new DataSeries );
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OSL_ASSERT( xSeries.is() );
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Reference< data::XDataSink > xSink( xSeries, uno::UNO_QUERY );
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OSL_ASSERT( xSink.is() );
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xSink->setData( aNewData );
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aSeriesVec.push_back( xSeries );
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++nSeriesIndex;
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}
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Sequence< Sequence< Reference< XDataSeries > > > aSeries(1);
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aSeries[0] = comphelper::containerToSequence( aSeriesVec );
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return InterpretedData( aSeries, xCategories );
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}
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InterpretedData SAL_CALL DataInterpreter::reinterpretDataSeries(
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const InterpretedData& aInterpretedData )
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{
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InterpretedData aResult( aInterpretedData );
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sal_Int32 i=0;
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Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
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const sal_Int32 nCount = aSeries.getLength();
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for( ; i<nCount; ++i )
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{
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try
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{
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Reference< data::XDataSource > xSeriesSource( aSeries[i], uno::UNO_QUERY_THROW );
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Sequence< Reference< data::XLabeledDataSequence > > aNewSequences;
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// values-y
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Reference< data::XLabeledDataSequence > xValuesY(
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DataSeriesHelper::getDataSequenceByRole( xSeriesSource, "values-y" ));
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// re-use values-... as values-y
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if( ! xValuesY.is())
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{
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xValuesY.set(
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DataSeriesHelper::getDataSequenceByRole( xSeriesSource, "values", true ));
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if( xValuesY.is())
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SetRole( xValuesY->getValues(), "values-y");
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}
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if( xValuesY.is())
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{
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aNewSequences.realloc(1);
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aNewSequences[0] = xValuesY;
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}
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Sequence< Reference< data::XLabeledDataSequence > > aSeqs( xSeriesSource->getDataSequences());
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if( aSeqs.getLength() != aNewSequences.getLength() )
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{
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#ifdef DEBUG_CHART2_TEMPLATE
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sal_Int32 j=0;
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for( ; j<aSeqs.(); ++j )
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{
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assert( aSeqs[j] == xValuesY && "All sequences should be used" );
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}
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#endif
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Reference< data::XDataSink > xSink( xSeriesSource, uno::UNO_QUERY_THROW );
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xSink->setData( aNewSequences );
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}
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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return aResult;
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}
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// criterion: all series must have exactly one data::XLabeledDataSequence
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sal_Bool SAL_CALL DataInterpreter::isDataCompatible(
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const chart2::InterpretedData& aInterpretedData )
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{
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const Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
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for( Reference< XDataSeries > const & i : aSeries )
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{
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try
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{
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Reference< data::XDataSource > xSrc( i, uno::UNO_QUERY_THROW );
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Sequence< Reference< data::XLabeledDataSequence > > aSeq( xSrc->getDataSequences());
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if( aSeq.getLength() != 1 )
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return false;
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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return true;
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}
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namespace
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{
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struct lcl_LabeledSequenceEquals
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{
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explicit lcl_LabeledSequenceEquals( const Reference< data::XLabeledDataSequence > & xLSeqToCmp ) :
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m_bHasLabels ( false ),
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m_bHasValues ( false )
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{
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if( !xLSeqToCmp.is())
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return;
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Reference< data::XDataSequence > xSeq( xLSeqToCmp->getValues());
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if( xSeq.is())
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{
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m_bHasValues = true;
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m_aValuesRangeRep = xSeq->getSourceRangeRepresentation();
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}
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xSeq.set( xLSeqToCmp->getLabel());
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if( xSeq.is())
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{
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m_bHasLabels = true;
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m_aLabelRangeRep = xSeq->getSourceRangeRepresentation();
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}
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}
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bool operator() ( const Reference< data::XLabeledDataSequence > & xSeq )
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{
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if( ! xSeq.is())
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return false;
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Reference< data::XDataSequence > xSeqValues( xSeq->getValues() );
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Reference< data::XDataSequence > xSeqLabels( xSeq->getLabel() );
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bool bHasValues = xSeqValues.is();
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bool bHasLabels = xSeqLabels.is();
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return ( ( (m_bHasValues == bHasValues) &&
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(!bHasValues || m_aValuesRangeRep == xSeqValues->getSourceRangeRepresentation()) ) &&
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( (m_bHasLabels == bHasLabels) &&
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(!bHasLabels || m_aLabelRangeRep == xSeqLabels->getSourceRangeRepresentation()) )
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);
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}
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private:
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bool m_bHasLabels;
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bool m_bHasValues;
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OUString m_aValuesRangeRep;
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OUString m_aLabelRangeRep;
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};
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} // anonymous namespace
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Reference< data::XDataSource > SAL_CALL DataInterpreter::mergeInterpretedData(
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const InterpretedData& aInterpretedData )
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{
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vector< Reference< data::XLabeledDataSequence > > aResultVec;
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aResultVec.reserve( aInterpretedData.Series.getLength() +
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1 // categories
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);
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if( aInterpretedData.Categories.is())
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aResultVec.push_back( aInterpretedData.Categories );
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const Sequence< Reference< XDataSeries > > aSeries( FlattenSequence( aInterpretedData.Series ));
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for( Reference< XDataSeries > const & dataSeries : aSeries )
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{
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try
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{
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Reference< data::XDataSource > xSrc( dataSeries, uno::UNO_QUERY_THROW );
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const Sequence< Reference< data::XLabeledDataSequence > > aSeq( xSrc->getDataSequences());
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// add all sequences of data series
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for( Reference< data::XLabeledDataSequence > const & xAdd : aSeq )
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{
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// only add if sequence is not yet in the result
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if( none_of( aResultVec.begin(), aResultVec.end(),
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lcl_LabeledSequenceEquals( xAdd )) )
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{
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aResultVec.push_back( xAdd );
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}
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}
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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return DataSourceHelper::createDataSource( comphelper::containerToSequence( aResultVec ) );
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}
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uno::Any SAL_CALL DataInterpreter::getChartTypeSpecificData(
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const OUString & )
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{
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return uno::Any();
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}
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// convenience methods
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OUString DataInterpreter::GetRole( const Reference< data::XDataSequence > & xSeq )
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{
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OUString aResult;
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if( ! xSeq.is())
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return aResult;
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try
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{
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Reference< beans::XPropertySet > xProp( xSeq, uno::UNO_QUERY_THROW );
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xProp->getPropertyValue( "Role") >>= aResult;
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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return aResult;
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}
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void DataInterpreter::SetRole( const Reference< data::XDataSequence > & xSeq, const OUString & rRole )
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{
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if( ! xSeq.is())
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return;
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try
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{
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Reference< beans::XPropertySet > xProp( xSeq, uno::UNO_QUERY_THROW );
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xProp->setPropertyValue( "Role", uno::Any( rRole ));
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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}
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uno::Any DataInterpreter::GetProperty(
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const Sequence< beans::PropertyValue > & aArguments,
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std::u16string_view rName )
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{
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for( sal_Int32 i=aArguments.getLength(); i--; )
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{
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if( aArguments[i].Name == rName )
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return aArguments[i].Value;
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}
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return uno::Any();
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}
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bool DataInterpreter::HasCategories(
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const Sequence< beans::PropertyValue > & rArguments,
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const Sequence< Reference< data::XLabeledDataSequence > > & rData )
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{
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bool bHasCategories = false;
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if( rArguments.hasElements() )
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GetProperty( rArguments, u"HasCategories" ) >>= bHasCategories;
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for( sal_Int32 nLSeqIdx=0; ! bHasCategories && nLSeqIdx<rData.getLength(); ++nLSeqIdx )
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bHasCategories = ( rData[nLSeqIdx].is() && GetRole( rData[nLSeqIdx]->getValues() ) == "categories");
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return bHasCategories;
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}
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bool DataInterpreter::UseCategoriesAsX( const Sequence< beans::PropertyValue > & rArguments )
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{
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bool bUseCategoriesAsX = true;
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if( rArguments.hasElements() )
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GetProperty( rArguments, u"UseCategoriesAsX" ) >>= bUseCategoriesAsX;
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return bUseCategoriesAsX;
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}
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OUString SAL_CALL DataInterpreter::getImplementationName()
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{
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return "com.sun.star.comp.chart2.DataInterpreter";
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}
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sal_Bool SAL_CALL DataInterpreter::supportsService( const OUString& rServiceName )
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{
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return cppu::supportsService(this, rServiceName);
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}
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css::uno::Sequence< OUString > SAL_CALL DataInterpreter::getSupportedServiceNames()
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{
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return { "com.sun.star.chart2.DataInterpreter" };
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}
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} // namespace chart
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#ifdef DEBUG_CHART2_TEMPLATE
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namespace
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{
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void lcl_ShowDataSource( const Reference< data::XDataSource > & xSource )
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{
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if( ! xSource.is())
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return;
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SAL_INFO("chart2", "DataSource in DataInterpreter:" );
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Sequence< Reference< data::XLabeledDataSequence > > aSequences( xSource->getDataSequences());
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Reference< beans::XPropertySet > xProp;
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OUString aId;
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const sal_Int32 nMax = aSequences.getLength();
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for( sal_Int32 k = 0; k < nMax; ++k )
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{
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if( aSequences[k].is())
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{
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OUString aSourceRepr("<none>");
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if( aSequences[k]->getValues().is())
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aSourceRepr = aSequences[k]->getValues()->getSourceRangeRepresentation();
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xProp.set( aSequences[k]->getValues(), uno::UNO_QUERY );
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if( xProp.is() &&
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( xProp->getPropertyValue( "Role") >>= aId ))
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{
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SAL_INFO("chart2", " <data sequence " << k << "> Role: " << aId << ", Source: "<< aSourceRepr);
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}
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else
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{
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SAL_INFO("chart2", " <data sequence " << k << "> unknown Role, Source: " << aSourceRepr );
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}
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aSourceRepr = "<none>";
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if( aSequences[k]->getLabel().is())
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aSourceRepr = aSequences[k]->getLabel()->getSourceRangeRepresentation();
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xProp.set( aSequences[k]->getLabel(), uno::UNO_QUERY );
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if( xProp.is() &&
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( xProp->getPropertyValue( "Role") >>= aId ))
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{
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SAL_INFO("chart2", " <data sequence label " << k << "> Role: " << aId
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<< ", Source: " << aSourceRepr );
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}
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else
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{
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SAL_INFO("chart2", " <data sequence label " << k << "> unknown Role, Source: " << aSourceRepr );
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}
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}
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}
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}
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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