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/popup/axis/AxisMarkersSheet.java
else if ( e.widget.equals( btnLineTriggers ) )
		{
			new TriggerEditorDialog( cmpContent.getShell( ),
					( (MarkerLine) getAxisForProcessing( ).getMarkerLines( )
							.get( getMarkerIndex( ) ) ).getTriggers( ),
					getContext( ),
					Messages.getString( "AxisMarkersSheet.Title.MarkerLine" ), false, true ).open( ); 
		}
		else if ( e.widget.equals( btnRangeTriggers ) )
		{
			new TriggerEditorDialog( cmpContent.getShell( ),
					( (MarkerRange) getAxisForProcessing( ).getMarkerRanges( )
							.get( getMarkerIndex( ) ) ).getTriggers( ),
					getContext( ),
					Messages.getString( "AxisMarkersSheet.Title.MarkerRange" ), false, true ).open( ); 
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
	 */
	public void widgetDefaultSelected( SelectionEvent e )
	{
	}
	private Axis getAxisForProcessing( )
	{
		return axis;
	}
	private String getValueAsString( DataElement de )