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
attributesContext.isPositionEnabled = false;
		attributesContext.isFontAlignmentEnabled = false;
		attributesContext.isLabelEnabled = true;
		lacLabel = new LabelAttributesComposite( cmpContent,
				SWT.NONE,
				getContext( ),
				attributesContext,
				Messages.getString( "BaseAxisMarkerAttributeSheetImpl.Lbl.MarkerLabelProperties" ), 
				Position.ABOVE_LITERAL,
				LabelImpl.create( ),
				getChart( ).getUnits( ) );
		GridData gdLACLabel = new GridData( GridData.VERTICAL_ALIGN_BEGINNING
				| GridData.FILL_HORIZONTAL );
		lacLabel.setLayoutData( gdLACLabel );
		lacLabel.addListener( this );
		slMarkers.topControl = cmpLine;
		populateLists( );
		refreshButtons( );
		return cmpContent;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
	 */
	public void handleEvent( Event event )
	{
		if ( event.widget.equals( lacLabel ) )
		{
			if ( this.lstMarkers.getSelection( ).length != 0 )