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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_chart2.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include "RangeHighlighter.hxx" 32*cdf0e10cSrcweir #include "WeakListenerAdapter.hxx" 33*cdf0e10cSrcweir #include "ChartModelHelper.hxx" 34*cdf0e10cSrcweir #include "DataSourceHelper.hxx" 35*cdf0e10cSrcweir #include "ContainerHelper.hxx" 36*cdf0e10cSrcweir #include "macros.hxx" 37*cdf0e10cSrcweir #include "ObjectIdentifier.hxx" 38*cdf0e10cSrcweir #include "DataSeriesHelper.hxx" 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir #include <com/sun/star/chart2/XDataSeries.hpp> 41*cdf0e10cSrcweir #include <com/sun/star/chart/ErrorBarStyle.hpp> 42*cdf0e10cSrcweir #include <com/sun/star/drawing/XShape.hpp> 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir #define PREFERED_DEFAULT_COLOR 0x0000ff 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir using namespace ::com::sun::star; 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir using ::com::sun::star::uno::Reference; 49*cdf0e10cSrcweir using ::com::sun::star::uno::Sequence; 50*cdf0e10cSrcweir using ::rtl::OUString; 51*cdf0e10cSrcweir 52*cdf0e10cSrcweir namespace 53*cdf0e10cSrcweir { 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir void lcl_fillRanges( 56*cdf0e10cSrcweir Sequence< chart2::data::HighlightedRange > & rOutRanges, 57*cdf0e10cSrcweir Sequence< OUString > aRangeStrings, 58*cdf0e10cSrcweir sal_Int32 nPreferredColor = PREFERED_DEFAULT_COLOR, 59*cdf0e10cSrcweir sal_Int32 nIndex = -1 ) 60*cdf0e10cSrcweir { 61*cdf0e10cSrcweir rOutRanges.realloc( aRangeStrings.getLength()); 62*cdf0e10cSrcweir for( sal_Int32 i=0; i<aRangeStrings.getLength(); ++i ) 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir rOutRanges[i].RangeRepresentation = aRangeStrings[i]; 65*cdf0e10cSrcweir rOutRanges[i].PreferredColor = nPreferredColor; 66*cdf0e10cSrcweir rOutRanges[i].AllowMerginigWithOtherRanges = sal_False; 67*cdf0e10cSrcweir rOutRanges[i].Index = nIndex; 68*cdf0e10cSrcweir } 69*cdf0e10cSrcweir } 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir } // anonymous namespace 72*cdf0e10cSrcweir 73*cdf0e10cSrcweir namespace chart 74*cdf0e10cSrcweir { 75*cdf0e10cSrcweir 76*cdf0e10cSrcweir RangeHighlighter::RangeHighlighter( 77*cdf0e10cSrcweir const Reference< view::XSelectionSupplier > & xSelectionSupplier ) : 78*cdf0e10cSrcweir impl::RangeHighlighter_Base( m_aMutex ), 79*cdf0e10cSrcweir m_xSelectionSupplier( xSelectionSupplier ), 80*cdf0e10cSrcweir m_nAddedListenerCount( 0 ), 81*cdf0e10cSrcweir m_bIncludeHiddenCells(true) 82*cdf0e10cSrcweir { 83*cdf0e10cSrcweir } 84*cdf0e10cSrcweir 85*cdf0e10cSrcweir RangeHighlighter::~RangeHighlighter() 86*cdf0e10cSrcweir {} 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir // ____ XRangeHighlighter ____ 89*cdf0e10cSrcweir Sequence< chart2::data::HighlightedRange > SAL_CALL RangeHighlighter::getSelectedRanges() 90*cdf0e10cSrcweir throw (uno::RuntimeException) 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir return m_aSelectedRanges; 93*cdf0e10cSrcweir } 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir void RangeHighlighter::determineRanges() 96*cdf0e10cSrcweir { 97*cdf0e10cSrcweir m_aSelectedRanges.realloc( 0 ); 98*cdf0e10cSrcweir if( m_xSelectionSupplier.is()) 99*cdf0e10cSrcweir { 100*cdf0e10cSrcweir try 101*cdf0e10cSrcweir { 102*cdf0e10cSrcweir Reference< frame::XController > xController( m_xSelectionSupplier, uno::UNO_QUERY ); 103*cdf0e10cSrcweir Reference< frame::XModel > xChartModel; 104*cdf0e10cSrcweir if( xController.is()) 105*cdf0e10cSrcweir xChartModel.set( xController->getModel()); 106*cdf0e10cSrcweir 107*cdf0e10cSrcweir m_bIncludeHiddenCells = ChartModelHelper::isIncludeHiddenCells( xChartModel ); 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir uno::Any aSelection( m_xSelectionSupplier->getSelection()); 110*cdf0e10cSrcweir const uno::Type& rType = aSelection.getValueType(); 111*cdf0e10cSrcweir 112*cdf0e10cSrcweir if ( rType == ::getCppuType( static_cast< const OUString* >( 0 ) ) ) 113*cdf0e10cSrcweir { 114*cdf0e10cSrcweir // @todo??: maybe getSelection() should return a model object rather than a CID 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir OUString aCID; 117*cdf0e10cSrcweir aSelection >>= aCID; 118*cdf0e10cSrcweir if ( aCID.getLength() > 0 ) 119*cdf0e10cSrcweir { 120*cdf0e10cSrcweir ObjectType eObjectType = ObjectIdentifier::getObjectType( aCID ); 121*cdf0e10cSrcweir sal_Int32 nIndex = ObjectIdentifier::getIndexFromParticleOrCID( aCID ); 122*cdf0e10cSrcweir Reference< chart2::XDataSeries > xDataSeries( ObjectIdentifier::getDataSeriesForCID( aCID, xChartModel ) ); 123*cdf0e10cSrcweir if( OBJECTTYPE_LEGEND_ENTRY == eObjectType ) 124*cdf0e10cSrcweir { 125*cdf0e10cSrcweir OUString aParentParticel( ObjectIdentifier::getFullParentParticle( aCID ) ); 126*cdf0e10cSrcweir ObjectType eParentObjectType = ObjectIdentifier::getObjectType( aParentParticel ); 127*cdf0e10cSrcweir eObjectType = eParentObjectType; 128*cdf0e10cSrcweir if( OBJECTTYPE_DATA_POINT == eObjectType ) 129*cdf0e10cSrcweir nIndex = ObjectIdentifier::getIndexFromParticleOrCID( aParentParticel ); 130*cdf0e10cSrcweir } 131*cdf0e10cSrcweir 132*cdf0e10cSrcweir if( OBJECTTYPE_DATA_POINT == eObjectType || OBJECTTYPE_DATA_LABEL == eObjectType ) 133*cdf0e10cSrcweir { 134*cdf0e10cSrcweir // Data Point 135*cdf0e10cSrcweir fillRangesForDataPoint( xDataSeries, nIndex ); 136*cdf0e10cSrcweir return; 137*cdf0e10cSrcweir } 138*cdf0e10cSrcweir else if( OBJECTTYPE_DATA_ERRORS == eObjectType ) 139*cdf0e10cSrcweir { 140*cdf0e10cSrcweir // select error bar ranges, or data series, if the style is 141*cdf0e10cSrcweir // not set to FROM_DATA 142*cdf0e10cSrcweir fillRangesForErrorBars( ObjectIdentifier::getObjectPropertySet( aCID, xChartModel ), xDataSeries ); 143*cdf0e10cSrcweir return; 144*cdf0e10cSrcweir } 145*cdf0e10cSrcweir else if( xDataSeries.is() ) 146*cdf0e10cSrcweir { 147*cdf0e10cSrcweir // Data Series 148*cdf0e10cSrcweir fillRangesForDataSeries( xDataSeries ); 149*cdf0e10cSrcweir return; 150*cdf0e10cSrcweir } 151*cdf0e10cSrcweir else if( OBJECTTYPE_AXIS == eObjectType ) 152*cdf0e10cSrcweir { 153*cdf0e10cSrcweir // Axis (Categories) 154*cdf0e10cSrcweir Reference< chart2::XAxis > xAxis( ObjectIdentifier::getObjectPropertySet( aCID, xChartModel ), uno::UNO_QUERY ); 155*cdf0e10cSrcweir if( xAxis.is()) 156*cdf0e10cSrcweir { 157*cdf0e10cSrcweir fillRangesForCategories( xAxis ); 158*cdf0e10cSrcweir return; 159*cdf0e10cSrcweir } 160*cdf0e10cSrcweir } 161*cdf0e10cSrcweir else if( OBJECTTYPE_PAGE == eObjectType 162*cdf0e10cSrcweir || OBJECTTYPE_DIAGRAM == eObjectType 163*cdf0e10cSrcweir || OBJECTTYPE_DIAGRAM_WALL == eObjectType 164*cdf0e10cSrcweir || OBJECTTYPE_DIAGRAM_FLOOR == eObjectType 165*cdf0e10cSrcweir ) 166*cdf0e10cSrcweir { 167*cdf0e10cSrcweir // Diagram 168*cdf0e10cSrcweir Reference< chart2::XDiagram > xDia( ObjectIdentifier::getDiagramForCID( aCID, xChartModel ) ); 169*cdf0e10cSrcweir if( xDia.is()) 170*cdf0e10cSrcweir { 171*cdf0e10cSrcweir fillRangesForDiagram( xDia ); 172*cdf0e10cSrcweir return; 173*cdf0e10cSrcweir } 174*cdf0e10cSrcweir } 175*cdf0e10cSrcweir } 176*cdf0e10cSrcweir } 177*cdf0e10cSrcweir else if ( rType == ::getCppuType( static_cast< const Reference< drawing::XShape >* >( 0 ) ) ) 178*cdf0e10cSrcweir { 179*cdf0e10cSrcweir // #i12587# support for shapes in chart 180*cdf0e10cSrcweir Reference< drawing::XShape > xShape; 181*cdf0e10cSrcweir aSelection >>= xShape; 182*cdf0e10cSrcweir if ( xShape.is() ) 183*cdf0e10cSrcweir { 184*cdf0e10cSrcweir return; 185*cdf0e10cSrcweir } 186*cdf0e10cSrcweir } 187*cdf0e10cSrcweir else 188*cdf0e10cSrcweir { 189*cdf0e10cSrcweir //if nothing is selected select all ranges 190*cdf0e10cSrcweir Reference< chart2::XChartDocument > xChartDoc( xChartModel, uno::UNO_QUERY_THROW ); 191*cdf0e10cSrcweir fillRangesForDiagram( xChartDoc->getFirstDiagram() ); 192*cdf0e10cSrcweir return; 193*cdf0e10cSrcweir } 194*cdf0e10cSrcweir } 195*cdf0e10cSrcweir catch( const uno::Exception & ex ) 196*cdf0e10cSrcweir { 197*cdf0e10cSrcweir ASSERT_EXCEPTION( ex ); 198*cdf0e10cSrcweir } 199*cdf0e10cSrcweir } 200*cdf0e10cSrcweir } 201*cdf0e10cSrcweir 202*cdf0e10cSrcweir void RangeHighlighter::fillRangesForDiagram( const Reference< chart2::XDiagram > & xDiagram ) 203*cdf0e10cSrcweir { 204*cdf0e10cSrcweir Sequence< OUString > aSelectedRanges( DataSourceHelper::getUsedDataRanges( xDiagram )); 205*cdf0e10cSrcweir m_aSelectedRanges.realloc( aSelectedRanges.getLength()); 206*cdf0e10cSrcweir // @todo: merge ranges 207*cdf0e10cSrcweir for( sal_Int32 i=0; i<aSelectedRanges.getLength(); ++i ) 208*cdf0e10cSrcweir { 209*cdf0e10cSrcweir m_aSelectedRanges[i].RangeRepresentation = aSelectedRanges[i]; 210*cdf0e10cSrcweir m_aSelectedRanges[i].Index = -1; 211*cdf0e10cSrcweir m_aSelectedRanges[i].PreferredColor = PREFERED_DEFAULT_COLOR; 212*cdf0e10cSrcweir m_aSelectedRanges[i].AllowMerginigWithOtherRanges = sal_True; 213*cdf0e10cSrcweir } 214*cdf0e10cSrcweir } 215*cdf0e10cSrcweir 216*cdf0e10cSrcweir void RangeHighlighter::fillRangesForDataSeries( const uno::Reference< chart2::XDataSeries > & xSeries ) 217*cdf0e10cSrcweir { 218*cdf0e10cSrcweir sal_Int32 nPreferredColor = PREFERED_DEFAULT_COLOR; 219*cdf0e10cSrcweir Reference< chart2::data::XDataSource > xSource( xSeries, uno::UNO_QUERY ); 220*cdf0e10cSrcweir if( xSource.is()) 221*cdf0e10cSrcweir lcl_fillRanges( m_aSelectedRanges, 222*cdf0e10cSrcweir ::chart::DataSourceHelper::getRangesFromDataSource( xSource ), 223*cdf0e10cSrcweir nPreferredColor ); 224*cdf0e10cSrcweir } 225*cdf0e10cSrcweir 226*cdf0e10cSrcweir void RangeHighlighter::fillRangesForErrorBars( 227*cdf0e10cSrcweir const uno::Reference< beans::XPropertySet > & xErrorBar, 228*cdf0e10cSrcweir const uno::Reference< chart2::XDataSeries > & xSeries ) 229*cdf0e10cSrcweir { 230*cdf0e10cSrcweir // only show error bar ranges, if the style is set to FROM_DATA 231*cdf0e10cSrcweir bool bUsesRangesAsErrorBars = false; 232*cdf0e10cSrcweir try 233*cdf0e10cSrcweir { 234*cdf0e10cSrcweir sal_Int32 nStyle = ::com::sun::star::chart::ErrorBarStyle::NONE; 235*cdf0e10cSrcweir bUsesRangesAsErrorBars = 236*cdf0e10cSrcweir ( xErrorBar.is() && 237*cdf0e10cSrcweir (xErrorBar->getPropertyValue( C2U("ErrorBarStyle")) >>= nStyle) && 238*cdf0e10cSrcweir nStyle == ::com::sun::star::chart::ErrorBarStyle::FROM_DATA ); 239*cdf0e10cSrcweir } 240*cdf0e10cSrcweir catch( const uno::Exception & ex ) 241*cdf0e10cSrcweir { 242*cdf0e10cSrcweir ASSERT_EXCEPTION( ex ); 243*cdf0e10cSrcweir } 244*cdf0e10cSrcweir 245*cdf0e10cSrcweir if( bUsesRangesAsErrorBars ) 246*cdf0e10cSrcweir { 247*cdf0e10cSrcweir sal_Int32 nPreferredColor = PREFERED_DEFAULT_COLOR; 248*cdf0e10cSrcweir Reference< chart2::data::XDataSource > xSource( xErrorBar, uno::UNO_QUERY ); 249*cdf0e10cSrcweir if( xSource.is()) 250*cdf0e10cSrcweir lcl_fillRanges( m_aSelectedRanges, 251*cdf0e10cSrcweir ::chart::DataSourceHelper::getRangesFromDataSource( xSource ), 252*cdf0e10cSrcweir nPreferredColor ); 253*cdf0e10cSrcweir } 254*cdf0e10cSrcweir else 255*cdf0e10cSrcweir { 256*cdf0e10cSrcweir fillRangesForDataSeries( xSeries ); 257*cdf0e10cSrcweir } 258*cdf0e10cSrcweir } 259*cdf0e10cSrcweir 260*cdf0e10cSrcweir void RangeHighlighter::fillRangesForCategories( const Reference< chart2::XAxis > & xAxis ) 261*cdf0e10cSrcweir { 262*cdf0e10cSrcweir if( ! xAxis.is()) 263*cdf0e10cSrcweir return; 264*cdf0e10cSrcweir chart2::ScaleData aData( xAxis->getScaleData()); 265*cdf0e10cSrcweir lcl_fillRanges( m_aSelectedRanges, 266*cdf0e10cSrcweir DataSourceHelper::getRangesFromLabeledDataSequence( aData.Categories )); 267*cdf0e10cSrcweir } 268*cdf0e10cSrcweir 269*cdf0e10cSrcweir void RangeHighlighter::fillRangesForDataPoint( const Reference< uno::XInterface > & xDataSeries, sal_Int32 nIndex ) 270*cdf0e10cSrcweir { 271*cdf0e10cSrcweir sal_Int32 nPreferredColor = PREFERED_DEFAULT_COLOR; 272*cdf0e10cSrcweir if( xDataSeries.is()) 273*cdf0e10cSrcweir { 274*cdf0e10cSrcweir Reference< chart2::data::XDataSource > xSource( xDataSeries, uno::UNO_QUERY ); 275*cdf0e10cSrcweir if( xSource.is() ) 276*cdf0e10cSrcweir { 277*cdf0e10cSrcweir ::std::vector< chart2::data::HighlightedRange > aHilightedRanges; 278*cdf0e10cSrcweir Sequence< Reference< chart2::data::XLabeledDataSequence > > aLSeqSeq( xSource->getDataSequences()); 279*cdf0e10cSrcweir for( sal_Int32 i=0; i<aLSeqSeq.getLength(); ++i ) 280*cdf0e10cSrcweir { 281*cdf0e10cSrcweir Reference< chart2::data::XDataSequence > xLabel( aLSeqSeq[i]->getLabel()); 282*cdf0e10cSrcweir Reference< chart2::data::XDataSequence > xValues( aLSeqSeq[i]->getValues()); 283*cdf0e10cSrcweir 284*cdf0e10cSrcweir if( xLabel.is()) 285*cdf0e10cSrcweir aHilightedRanges.push_back( 286*cdf0e10cSrcweir chart2::data::HighlightedRange( 287*cdf0e10cSrcweir xLabel->getSourceRangeRepresentation(), 288*cdf0e10cSrcweir -1, 289*cdf0e10cSrcweir nPreferredColor, 290*cdf0e10cSrcweir sal_False )); 291*cdf0e10cSrcweir 292*cdf0e10cSrcweir sal_Int32 nUnhiddenIndex = DataSeriesHelper::translateIndexFromHiddenToFullSequence( nIndex, xValues, !m_bIncludeHiddenCells ); 293*cdf0e10cSrcweir if( xValues.is()) 294*cdf0e10cSrcweir aHilightedRanges.push_back( 295*cdf0e10cSrcweir chart2::data::HighlightedRange( 296*cdf0e10cSrcweir xValues->getSourceRangeRepresentation(), 297*cdf0e10cSrcweir nUnhiddenIndex, 298*cdf0e10cSrcweir nPreferredColor, 299*cdf0e10cSrcweir sal_False )); 300*cdf0e10cSrcweir } 301*cdf0e10cSrcweir m_aSelectedRanges = ContainerHelper::ContainerToSequence( aHilightedRanges ); 302*cdf0e10cSrcweir } 303*cdf0e10cSrcweir } 304*cdf0e10cSrcweir } 305*cdf0e10cSrcweir 306*cdf0e10cSrcweir void SAL_CALL RangeHighlighter::addSelectionChangeListener( const Reference< view::XSelectionChangeListener >& xListener ) 307*cdf0e10cSrcweir throw (uno::RuntimeException) 308*cdf0e10cSrcweir { 309*cdf0e10cSrcweir if(!xListener.is()) 310*cdf0e10cSrcweir return; 311*cdf0e10cSrcweir 312*cdf0e10cSrcweir if( m_nAddedListenerCount == 0 ) 313*cdf0e10cSrcweir startListening(); 314*cdf0e10cSrcweir rBHelper.addListener( ::getCppuType( & xListener ), xListener); 315*cdf0e10cSrcweir ++m_nAddedListenerCount; 316*cdf0e10cSrcweir 317*cdf0e10cSrcweir //bring the new listener up to the current state 318*cdf0e10cSrcweir lang::EventObject aEvent( static_cast< lang::XComponent* >( this ) ); 319*cdf0e10cSrcweir xListener->selectionChanged( aEvent ); 320*cdf0e10cSrcweir } 321*cdf0e10cSrcweir 322*cdf0e10cSrcweir void SAL_CALL RangeHighlighter::removeSelectionChangeListener( const Reference< view::XSelectionChangeListener >& xListener ) 323*cdf0e10cSrcweir throw (uno::RuntimeException) 324*cdf0e10cSrcweir { 325*cdf0e10cSrcweir rBHelper.removeListener( ::getCppuType( & xListener ), xListener ); 326*cdf0e10cSrcweir --m_nAddedListenerCount; 327*cdf0e10cSrcweir if( m_nAddedListenerCount == 0 ) 328*cdf0e10cSrcweir stopListening(); 329*cdf0e10cSrcweir } 330*cdf0e10cSrcweir 331*cdf0e10cSrcweir // ____ XSelectionChangeListener ____ 332*cdf0e10cSrcweir void SAL_CALL RangeHighlighter::selectionChanged( const lang::EventObject& /*aEvent*/ ) 333*cdf0e10cSrcweir throw (uno::RuntimeException) 334*cdf0e10cSrcweir { 335*cdf0e10cSrcweir determineRanges(); 336*cdf0e10cSrcweir 337*cdf0e10cSrcweir // determine ranges of selected view objects 338*cdf0e10cSrcweir // if changed, fire an event 339*cdf0e10cSrcweir fireSelectionEvent(); 340*cdf0e10cSrcweir } 341*cdf0e10cSrcweir 342*cdf0e10cSrcweir void RangeHighlighter::fireSelectionEvent() 343*cdf0e10cSrcweir { 344*cdf0e10cSrcweir ::cppu::OInterfaceContainerHelper* pIC = rBHelper.getContainer( 345*cdf0e10cSrcweir ::getCppuType((const uno::Reference< view::XSelectionChangeListener >*)0) ); 346*cdf0e10cSrcweir if( pIC ) 347*cdf0e10cSrcweir { 348*cdf0e10cSrcweir lang::EventObject aEvent( static_cast< lang::XComponent* >( this ) ); 349*cdf0e10cSrcweir ::cppu::OInterfaceIteratorHelper aIt( *pIC ); 350*cdf0e10cSrcweir while( aIt.hasMoreElements() ) 351*cdf0e10cSrcweir { 352*cdf0e10cSrcweir uno::Reference< view::XSelectionChangeListener > xListener( aIt.next(), uno::UNO_QUERY ); 353*cdf0e10cSrcweir if( xListener.is() ) 354*cdf0e10cSrcweir xListener->selectionChanged( aEvent ); 355*cdf0e10cSrcweir } 356*cdf0e10cSrcweir } 357*cdf0e10cSrcweir } 358*cdf0e10cSrcweir 359*cdf0e10cSrcweir void SAL_CALL RangeHighlighter::disposing( const lang::EventObject& Source ) 360*cdf0e10cSrcweir throw (uno::RuntimeException) 361*cdf0e10cSrcweir { 362*cdf0e10cSrcweir if( Source.Source == m_xSelectionSupplier ) 363*cdf0e10cSrcweir { 364*cdf0e10cSrcweir m_xSelectionSupplier.clear(); 365*cdf0e10cSrcweir m_aSelectedRanges.realloc( 0 ); 366*cdf0e10cSrcweir fireSelectionEvent(); 367*cdf0e10cSrcweir } 368*cdf0e10cSrcweir } 369*cdf0e10cSrcweir 370*cdf0e10cSrcweir void RangeHighlighter::startListening() 371*cdf0e10cSrcweir { 372*cdf0e10cSrcweir if( m_xSelectionSupplier.is()) 373*cdf0e10cSrcweir { 374*cdf0e10cSrcweir if( ! m_xListener.is()) 375*cdf0e10cSrcweir { 376*cdf0e10cSrcweir m_xListener.set( new WeakSelectionChangeListenerAdapter( this )); 377*cdf0e10cSrcweir determineRanges(); 378*cdf0e10cSrcweir } 379*cdf0e10cSrcweir m_xSelectionSupplier->addSelectionChangeListener( m_xListener ); 380*cdf0e10cSrcweir } 381*cdf0e10cSrcweir } 382*cdf0e10cSrcweir 383*cdf0e10cSrcweir void RangeHighlighter::stopListening() 384*cdf0e10cSrcweir { 385*cdf0e10cSrcweir if( m_xSelectionSupplier.is() && m_xListener.is()) 386*cdf0e10cSrcweir { 387*cdf0e10cSrcweir m_xSelectionSupplier->removeSelectionChangeListener( m_xListener ); 388*cdf0e10cSrcweir m_xListener.clear(); 389*cdf0e10cSrcweir } 390*cdf0e10cSrcweir } 391*cdf0e10cSrcweir 392*cdf0e10cSrcweir 393*cdf0e10cSrcweir // ____ WeakComponentImplHelperBase ____ 394*cdf0e10cSrcweir // is called when dispose() is called at this component 395*cdf0e10cSrcweir void SAL_CALL RangeHighlighter::disposing() 396*cdf0e10cSrcweir { 397*cdf0e10cSrcweir // @todo: remove listener. Currently the controller shows an assertion 398*cdf0e10cSrcweir // because it is already disposed 399*cdf0e10cSrcweir // stopListening(); 400*cdf0e10cSrcweir m_xListener.clear(); 401*cdf0e10cSrcweir m_xSelectionSupplier.clear(); 402*cdf0e10cSrcweir m_nAddedListenerCount = 0; 403*cdf0e10cSrcweir m_aSelectedRanges.realloc( 0 ); 404*cdf0e10cSrcweir } 405*cdf0e10cSrcweir 406*cdf0e10cSrcweir } // namespace chart 407