Bug 144199 [Accessibility] Can't use keyboard to set focus on list cells of dataset parameter binding dialog
Can't use keyboard to set focus on list cells of dataset parameter binding dialog. Steps to reproduce: 1. New a report 2. New a sample data source 3. New a data set ds1 4. Add a parameter p1 5. Create a dynamic image, bind it with ds1, open dataset parameter binding dialog, try to set focus in list cells by keyboard Expected result: Can set focus in list cells Actual result: Can't set focus in list cells by keyboard
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ParameterBindingPage.java
*      org.eclipse.birt.model.activity.NotificationEvent)
	 */
	public void elementChanged( DesignElementHandle focus, NotificationEvent ev )
	{
		if ( ev.getEventType( ) == NotificationEvent.PROPERTY_EVENT )
		{
			PropertyEvent event = (PropertyEvent) ev;
			String propertyName = event.getPropertyName( );
			if ( ReportItemHandle.PARAM_BINDINGS_PROP.equals( propertyName )
					|| ReportItemHandle.DATA_SET_PROP.equals( propertyName ) )
			{
				HashSet set = new HashSet( );
				set.add( propertyName );
				refreshValues( set );
			}
		}
		
		if ( ev.getEventType( ) == NotificationEvent.CONTENT_EVENT )
		{
			if ( ev instanceof ContentEvent )
			{
				ContentEvent ce = (ContentEvent) ev;
				if ( ce.getContent( ) instanceof DataSet )
				{
					refreshValues( null );
				}
			}
		}
	}
	private class BindingLabelProvider extends LabelProvider implements