chart2/source/tools/LegendHelper.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_chart2.hxx"
  30 #include "LegendHelper.hxx"
  31 #include "macros.hxx"
  32 #include <com/sun/star/chart2/LegendExpansion.hpp>
  33 #include <com/sun/star/chart2/LegendPosition.hpp>
  34 #include <com/sun/star/chart2/RelativePosition.hpp>
  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 using ::com::sun::star::uno::Reference;
  42
  43 //.............................................................................
  44 namespace chart
  45 {
  46 //.............................................................................
  47
  48
  49 //static
  50 Reference< chart2::XLegend > LegendHelper::showLegend( const Reference< frame::XModel >& xModel
  51                                                     , const uno::Reference< uno::XComponentContext >& xContext )
  52 {
  53     uno::Reference< chart2::XLegend > xLegend = LegendHelper::getLegend( xModel, xContext, true );
  54     uno::Reference< beans::XPropertySet > xProp( xLegend, uno::UNO_QUERY );
  55     if( xProp.is())
  56     {
  57         xProp->setPropertyValue( C2U("Show"), uno::makeAny(sal_True) );
  58
  59         chart2::RelativePosition aRelativePosition;
  60         if( !(xProp->getPropertyValue( C2U( "RelativePosition" )) >>=  aRelativePosition) )
  61         {
  62             chart2::LegendPosition ePos = chart2::LegendPosition_LINE_END;
  63             if( !(xProp->getPropertyValue( C2U( "AnchorPosition" )) >>= ePos ) )
  64                 xProp->setPropertyValue( C2U( "AnchorPosition" ), uno::makeAny( ePos ));
  65
  66             chart2::LegendExpansion eExpansion =
  67                     ( ePos == chart2::LegendPosition_LINE_END ||
  68                       ePos == chart2::LegendPosition_LINE_START )
  69                     ? chart2::LegendExpansion_HIGH
  70                     : chart2::LegendExpansion_WIDE;
  71             if( !(xProp->getPropertyValue( C2U( "Expansion" )) >>= eExpansion ) )
  72                 xProp->setPropertyValue( C2U( "Expansion" ), uno::makeAny( eExpansion ));
  73
  74             xProp->setPropertyValue( C2U( "RelativePosition" ), uno::Any());
  75         }
  76
  77     }
  78     return xLegend;
  79 }
  80
  81 //static
  82 void LegendHelper::hideLegend( const Reference< frame::XModel >& xModel )
  83 {
  84     uno::Reference< chart2::XLegend > xLegend = LegendHelper::getLegend( xModel, 0, false );
  85     uno::Reference< beans::XPropertySet > xProp( xLegend, uno::UNO_QUERY );
  86     if( xProp.is())
  87     {
  88         xProp->setPropertyValue( C2U("Show"), uno::makeAny(sal_False) );
  89     }
  90 }
  91
  92 // static
  93 uno::Reference< chart2::XLegend > LegendHelper::getLegend(
  94       const uno::Reference< frame::XModel >& xModel
  95     , const uno::Reference< uno::XComponentContext >& xContext
  96     , bool bCreate )
  97 {
  98     uno::Reference< chart2::XLegend > xResult;
  99
 100     uno::Reference< chart2::XChartDocument > xChartDoc( xModel, uno::UNO_QUERY );
 101     if( xChartDoc.is())
 102     {
 103         try
 104         {
 105             uno::Reference< chart2::XDiagram > xDia( xChartDoc->getFirstDiagram());
 106             if( xDia.is() )
 107             {
 108                 xResult.set( xDia->getLegend() );
 109                 if( bCreate && !xResult.is() && xContext.is() )
 110                 {
 111                     xResult.set( xContext->getServiceManager()->createInstanceWithContext(
 112                         C2U( "com.sun.star.chart2.Legend" ), xContext ), uno::UNO_QUERY );
 113                     xDia->setLegend( xResult );
 114                 }
 115             }
 116             else if(bCreate)
 117             {
 118                 DBG_ERROR("need diagram for creation of legend");
 119             }
 120         }
 121         catch( uno::Exception & ex )
 122         {
 123             ASSERT_EXCEPTION( ex );
 124         }
 125     }
 126
 127     return xResult;
 128 }
 129
 130 // static
 131 bool LegendHelper::hasLegend( const uno::Reference< chart2::XDiagram > & xDiagram )
 132 {
 133     bool bReturn = false;
 134     if( xDiagram.is())
 135     {
 136         uno::Reference< beans::XPropertySet > xLegendProp( xDiagram->getLegend(), uno::UNO_QUERY );
 137         if( xLegendProp.is())
 138             xLegendProp->getPropertyValue( C2U("Show")) >>= bReturn;
 139     }
 140
 141     return bReturn;
 142 }
 143
 144 //.............................................................................
 145 } //namespace chart
 146 //.............................................................................
 147