Bug 195961 Toggle Visibility does not work for Marker Line/Range and Chart Area [13]
Description: Toggle Visibility does not work for Marker Line/Range and Chart Area. Build number: 2.2.0.v20070710-1223 Steps to reproduce: 1. New a Chart, in "Format Chart" tab, add interactivity for Chart Area or Marker Line/Range, Event: Mouse Click, Action: Toggle Visibility. 2. Preview, click the Chart Area or Marker Line/Range. Expected result: Interactivity works. Actual result: It does not work. Error log: N/A
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/format/chart/ChartLegendSheetImpl.java
{
		Composite cmp = new Composite( parent, SWT.NONE );
		{
			cmp.setLayout( new GridLayout( 5, false ) );
			GridData gridData = new GridData( GridData.FILL_HORIZONTAL );
			gridData.horizontalSpan = 2;
			gridData.grabExcessVerticalSpace = true;
			gridData.verticalAlignment = SWT.END;
			cmp.setLayoutData( gridData );
		}
		
		ITaskPopupSheet popup = new LegendTitleSheet( Messages.getString( "ChartLegendSheetImpl.Title.FormatLegendTitle" ), getContext( ) ); 
		btnLegendTitle = createToggleButton( cmp,
				Messages.getString( "ChartLegendSheetImpl.Label.LegendTitle" ), popup ); 
		btnLegendTitle.addSelectionListener( this );
		btnLegendTitle.setEnabled( btnTitleVisible.getSelection( ) );
		
		popup = new LegendTextSheet( Messages.getString( "ChartLegendSheetImpl.Title.FormatLegendText" ), getContext( ) ); 
		Button btnLegendText = createToggleButton( cmp,
				Messages.getString( "ChartLegendSheetImpl.Label.TextFormat" ), popup ); 
		btnLegendText.addSelectionListener( this );
		
		popup = new LegendLayoutSheet( Messages.getString( "ChartLegendSheetImpl.Title.LayoutLegend" ), getContext( ) ); 
		Button btnAreaProp = createToggleButton( cmp,
				Messages.getString( "ChartLegendSheetImpl.Label.Layout" ), popup ); 
		btnAreaProp.addSelectionListener( this );
		
		popup = new InteractivitySheet( Messages.getString( "SeriesYSheetImpl.Label.Interactivity" ), 
				getContext( ),
				getChart( ).getLegend( ).getTriggers( ),