chart2/source/tools/LegendHelper.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_chart2.hxx"
  33 #include "LegendHelper.hxx"
  34 #include "macros.hxx"
  35 #include <com/sun/star/chart2/XChartDocument.hpp>
  36 #include <com/sun/star/chart2/XLegend.hpp>
  37 #include <com/sun/star/lang/XServiceInfo.hpp>
  38 #include <tools/debug.hxx>
  39
  40 using namespace ::com::sun::star;
  41
  42 //.............................................................................
  43 namespace chart
  44 {
  45 //.............................................................................
  46
  47 // static
  48 uno::Reference< chart2::XLegend > LegendHelper::getLegend(
  49       const uno::Reference< frame::XModel >& xModel
  50     , const uno::Reference< uno::XComponentContext >& xContext
  51     , bool bCreate )
  52 {
  53     uno::Reference< chart2::XLegend > xResult;
  54
  55     uno::Reference< chart2::XChartDocument > xChartDoc( xModel, uno::UNO_QUERY );
  56     if( xChartDoc.is())
  57     {
  58         try
  59         {
  60             uno::Reference< chart2::XDiagram > xDia( xChartDoc->getFirstDiagram());
  61             if( xDia.is() )
  62             {
  63                 xResult.set( xDia->getLegend() );
  64                 if( bCreate && !xResult.is() && xContext.is() )
  65                 {
  66                     xResult.set( xContext->getServiceManager()->createInstanceWithContext(
  67                         C2U( "com.sun.star.chart2.Legend" ), xContext ), uno::UNO_QUERY );
  68                     xDia->setLegend( xResult );
  69                 }
  70             }
  71             else if(bCreate)
  72             {
  73                 DBG_ERROR("need diagram for creation of legend");
  74             }
  75         }
  76         catch( uno::Exception & ex )
  77         {
  78             ASSERT_EXCEPTION( ex );
  79         }
  80     }
  81
  82     return xResult;
  83 }
  84
  85 // static
  86 bool LegendHelper::hasLegend( const uno::Reference< chart2::XDiagram > & xDiagram )
  87 {
  88     bool bReturn = false;
  89     if( xDiagram.is())
  90     {
  91         uno::Reference< beans::XPropertySet > xLegendProp( xDiagram->getLegend(), uno::UNO_QUERY );
  92         if( xLegendProp.is())
  93             xLegendProp->getPropertyValue( C2U("Show")) >>= bReturn;
  94     }
  95
  96     return bReturn;
  97 }
  98
  99 //.............................................................................
 100 } //namespace chart
 101 //.............................................................................
 102