chart2/source/model/template/ColumnLineDataInterpreter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "ColumnLineDataInterpreter.hxx"
  21 #include <DataSeries.hxx>
  22 #include <osl/diagnose.h>
  23
  24 #include <algorithm>
  25
  26 using namespace ::com::sun::star;
  27 using namespace ::com::sun::star::chart2;
  28
  29 using ::com::sun::star::uno::Reference;
  30 using ::com::sun::star::uno::Sequence;
  31
  32 namespace chart
  33 {
  34
  35 // explicit
  36 ColumnLineDataInterpreter::ColumnLineDataInterpreter(
  37     sal_Int32 nNumberOfLines ) :
  38         m_nNumberOfLines( nNumberOfLines )
  39 {}
  40
  41 ColumnLineDataInterpreter::~ColumnLineDataInterpreter()
  42 {}
  43
  44 // ____ DataInterpreter ____
  45 InterpretedData ColumnLineDataInterpreter::interpretDataSource(
  46     const Reference< data::XDataSource >& xSource,
  47     const Sequence< beans::PropertyValue >& aArguments,
  48     const std::vector< rtl::Reference< DataSeries > >& aSeriesToReUse )
  49 {
  50     InterpretedData aResult(  DataInterpreter::interpretDataSource( xSource, aArguments, aSeriesToReUse ));
  51
  52     // the base class should return one group
  53     OSL_ASSERT( aResult.Series.size() == 1 );
  54     if( aResult.Series.size() == 1 )
  55     {
  56         sal_Int32 nNumberOfSeries = aResult.Series[0].size();
  57
  58         // if we have more than one series put the last nNumOfLines ones into a new group
  59         if( nNumberOfSeries > 1 && m_nNumberOfLines > 0 )
  60         {
  61             sal_Int32 nNumOfLines = std::min( m_nNumberOfLines, nNumberOfSeries - 1 );
  62             aResult.Series.resize(2);
  63
  64             std::vector< rtl::Reference< DataSeries > > & rColumnDataSeries = aResult.Series[0];
  65             std::vector< rtl::Reference< DataSeries > > & rLineDataSeries   = aResult.Series[1];
  66             rLineDataSeries.resize( nNumOfLines );
  67             std::copy( std::cbegin(rColumnDataSeries) + nNumberOfSeries - nNumOfLines,
  68                          std::cbegin(rColumnDataSeries) + nNumberOfSeries,
  69                          rLineDataSeries.begin() );
  70             rColumnDataSeries.resize( nNumberOfSeries - nNumOfLines );
  71         }
  72     }
  73
  74     return aResult;
  75 }
  76
  77 } // namespace chart
  78
  79 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */