Line data    Source code

       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 "LegendHelper.hxx"
      21             : #include "macros.hxx"
      22             : #include <com/sun/star/chart/ChartLegendExpansion.hpp>
      23             : #include <com/sun/star/chart2/LegendPosition.hpp>
      24             : #include <com/sun/star/chart2/RelativePosition.hpp>
      25             : #include <com/sun/star/chart2/XChartDocument.hpp>
      26             : #include <com/sun/star/chart2/XLegend.hpp>
      27             : #include <com/sun/star/lang/XServiceInfo.hpp>
      28             : 
      29             : using namespace ::com::sun::star;
      30             : using ::com::sun::star::uno::Reference;
      31             : 
      32             : namespace chart
      33             : {
      34             : 
      35           0 : Reference< chart2::XLegend > LegendHelper::showLegend( ChartModel& rModel
      36             :                                                     , const uno::Reference< uno::XComponentContext >& xContext )
      37             : {
      38           0 :     uno::Reference< chart2::XLegend > xLegend = LegendHelper::getLegend( rModel, xContext, true );
      39           0 :     uno::Reference< beans::XPropertySet > xProp( xLegend, uno::UNO_QUERY );
      40           0 :     if( xProp.is())
      41             :     {
      42           0 :         xProp->setPropertyValue( "Show", uno::makeAny(sal_True) );
      43             : 
      44           0 :         chart2::RelativePosition aRelativePosition;
      45           0 :         if( !(xProp->getPropertyValue( "RelativePosition") >>=  aRelativePosition) )
      46             :         {
      47           0 :             chart2::LegendPosition ePos = chart2::LegendPosition_LINE_END;
      48           0 :             if( !(xProp->getPropertyValue( "AnchorPosition") >>= ePos ) )
      49           0 :                 xProp->setPropertyValue( "AnchorPosition", uno::makeAny( ePos ));
      50             : 
      51             :             ::com::sun::star::chart::ChartLegendExpansion eExpansion =
      52           0 :                     ( ePos == chart2::LegendPosition_LINE_END ||
      53           0 :                       ePos == chart2::LegendPosition_LINE_START )
      54             :                     ? ::com::sun::star::chart::ChartLegendExpansion_HIGH
      55           0 :                     : ::com::sun::star::chart::ChartLegendExpansion_WIDE;
      56           0 :             if( !(xProp->getPropertyValue( "Expansion") >>= eExpansion ) )
      57           0 :                 xProp->setPropertyValue( "Expansion", uno::makeAny( eExpansion ));
      58             : 
      59           0 :             xProp->setPropertyValue( "RelativePosition", uno::Any());
      60             :         }
      61             : 
      62             :     }
      63           0 :     return xLegend;
      64             : }
      65             : 
      66           0 : void LegendHelper::hideLegend( ChartModel& rModel )
      67             : {
      68           0 :     uno::Reference< chart2::XLegend > xLegend = LegendHelper::getLegend( rModel, 0, false );
      69           0 :     uno::Reference< beans::XPropertySet > xProp( xLegend, uno::UNO_QUERY );
      70           0 :     if( xProp.is())
      71             :     {
      72           0 :         xProp->setPropertyValue( "Show", uno::makeAny(sal_False) );
      73           0 :     }
      74           0 : }
      75             : 
      76           0 : uno::Reference< chart2::XLegend > LegendHelper::getLegend(
      77             :       ChartModel& rModel
      78             :     , const uno::Reference< uno::XComponentContext >& xContext
      79             :     , bool bCreate )
      80             : {
      81           0 :     uno::Reference< chart2::XLegend > xResult;
      82             : 
      83             :     try
      84             :     {
      85           0 :         uno::Reference< chart2::XDiagram > xDia( rModel.getFirstDiagram());
      86           0 :         if( xDia.is() )
      87             :         {
      88           0 :             xResult.set( xDia->getLegend() );
      89           0 :             if( bCreate && !xResult.is() && xContext.is() )
      90             :             {
      91           0 :                 xResult.set( xContext->getServiceManager()->createInstanceWithContext(
      92           0 :                             "com.sun.star.chart2.Legend", xContext ), uno::UNO_QUERY );
      93           0 :                 xDia->setLegend( xResult );
      94             :             }
      95             :         }
      96             :         else if(bCreate)
      97             :         {
      98             :             OSL_FAIL("need diagram for creation of legend");
      99           0 :         }
     100             :     }
     101           0 :     catch( const uno::Exception & ex )
     102             :     {
     103             :         ASSERT_EXCEPTION( ex );
     104             :     }
     105             : 
     106           0 :     return xResult;
     107             : }
     108             : 
     109           0 : bool LegendHelper::hasLegend( const uno::Reference< chart2::XDiagram > & xDiagram )
     110             : {
     111           0 :     bool bReturn = false;
     112           0 :     if( xDiagram.is())
     113             :     {
     114           0 :         uno::Reference< beans::XPropertySet > xLegendProp( xDiagram->getLegend(), uno::UNO_QUERY );
     115           0 :         if( xLegendProp.is())
     116           0 :             xLegendProp->getPropertyValue( "Show") >>= bReturn;
     117             :     }
     118             : 
     119           0 :     return bReturn;
     120             : }
     121             : 
     122             : } //namespace chart
     123             : 
     124             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */