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 "macros.hxx"
  22 #include <com/sun/star/chart2/XDataSeries.hpp>
  23 #include <com/sun/star/beans/XPropertyState.hpp>
  24
  25 #include <algorithm>
  26
  27 namespace chart
  28 {
  29 using namespace ::com::sun::star;
  30 using namespace ::com::sun::star::chart2;
  31
  32 bool ColorPerPointHelper::hasPointOwnColor(
  33         const ::com::sun::star::uno::Reference<
  34               ::com::sun::star::beans::XPropertySet >& xDataSeriesProperties
  35         , sal_Int32 nPointIndex
  36         , const ::com::sun::star::uno::Reference<
  37               ::com::sun::star::beans::XPropertySet >& xDataPointProperties //may be NULL this is just for performance
  38          )
  39 {
  40     if( !xDataSeriesProperties.is() )
  41         return false;
  42
  43     if( hasPointOwnProperties( xDataSeriesProperties, nPointIndex ))
  44     {
  45         uno::Reference< beans::XPropertyState > xPointState( xDataPointProperties, uno::UNO_QUERY );
  46         if( !xPointState.is() )
  47         {
  48             uno::Reference< XDataSeries > xSeries( xDataSeriesProperties, uno::UNO_QUERY );
  49             if(xSeries.is())
  50                 xPointState.set( xSeries->getDataPointByIndex( nPointIndex ), uno::UNO_QUERY );
  51         }
  52         if( !xPointState.is() )
  53             return false;
  54
  55         return (xPointState->getPropertyState( "Color") != beans::PropertyState_DEFAULT_VALUE );
  56     }
  57
  58     return false;
  59 }
  60
  61 bool ColorPerPointHelper::hasPointOwnProperties(
  62     const ::com::sun::star::uno::Reference<
  63         ::com::sun::star::beans::XPropertySet >& xSeriesProperties
  64     , sal_Int32 nPointIndex )
  65 {
  66     if( xSeriesProperties.is() )
  67     {
  68         uno::Sequence< sal_Int32 > aIndexList;
  69         if( xSeriesProperties->getPropertyValue( "AttributedDataPoints" ) >>= aIndexList )
  70         {
  71             const sal_Int32 * pBegIt = aIndexList.getConstArray();
  72             const sal_Int32 * pEndIt = pBegIt + aIndexList.getLength();
  73             return ( ::std::find( pBegIt, pEndIt, nPointIndex ) != pEndIt );
  74         }
  75     }
  76
  77     return false;
  78 }
  79
  80 } //namespace chart
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */