chart2/source/tools/ColorPerPointHelper.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.
   4  *
   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 <ColorPerPointHelper.hxx>
  21 #include <com/sun/star/chart2/XDataSeries.hpp>
  22 #include <com/sun/star/beans/XPropertyState.hpp>
  23
  24 #include <algorithm>
  25
  26 namespace chart
  27 {
  28 using namespace ::com::sun::star;
  29 using namespace ::com::sun::star::chart2;
  30
  31 bool ColorPerPointHelper::hasPointOwnColor(
  32         const css::uno::Reference< css::beans::XPropertySet >& xDataSeriesProperties
  33         , sal_Int32 nPointIndex
  34         , const css::uno::Reference< css::beans::XPropertySet >& xDataPointProperties //may be NULL this is just for performance
  35          )
  36 {
  37     if( !xDataSeriesProperties.is() )
  38         return false;
  39
  40     if( hasPointOwnProperties( xDataSeriesProperties, nPointIndex ))
  41     {
  42         uno::Reference< beans::XPropertyState > xPointState( xDataPointProperties, uno::UNO_QUERY );
  43         if( !xPointState.is() )
  44         {
  45             uno::Reference< XDataSeries > xSeries( xDataSeriesProperties, uno::UNO_QUERY );
  46             if(xSeries.is())
  47                 xPointState.set( xSeries->getDataPointByIndex( nPointIndex ), uno::UNO_QUERY );
  48         }
  49         if( !xPointState.is() )
  50             return false;
  51
  52         return (xPointState->getPropertyState( "Color") != beans::PropertyState_DEFAULT_VALUE );
  53     }
  54
  55     return false;
  56 }
  57
  58 bool ColorPerPointHelper::hasPointOwnProperties(
  59     const css::uno::Reference< css::beans::XPropertySet >& xSeriesProperties
  60     , sal_Int32 nPointIndex )
  61 {
  62     if( xSeriesProperties.is() )
  63     {
  64         uno::Sequence< sal_Int32 > aIndexList;
  65         if( xSeriesProperties->getPropertyValue( "AttributedDataPoints" ) >>= aIndexList )
  66         {
  67             const sal_Int32 * pBegIt = aIndexList.getConstArray();
  68             const sal_Int32 * pEndIt = pBegIt + aIndexList.getLength();
  69             return ( std::find( pBegIt, pEndIt, nPointIndex ) != pEndIt );
  70         }
  71     }
  72
  73     return false;
  74 }
  75
  76 } //namespace chart
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */