Bug 124599 Shortcut delete and menu delete act different in table column.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/parts/GraphicalEditorWithFlyoutPalette.java
*/
	public void updateStackActions( )
	{
		updateActions( stackActionIDs );
	}
	
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.core.util.mediator.IColleague#performRequest(org.eclipse.birt.report.designer.core.util.mediator.request.ReportRequest)
	 */
	public void performRequest( ReportRequest request )
	{
		if ( ReportRequest.SELECTION.equals( request.getType( ) ) )
		{
			handleSelectionChange( request );
		}
		else if ( ReportRequest.CREATE_ELEMENT.equals( request.getType( ) ) )
		{
			handleCreateElement( request );
		}
	}
	/**
	 * @param request
	 */
	protected void handleCreateElement( ReportRequest request )
	{
		final GraphicalViewer viewer = getGraphicalViewer( );
		if ( !viewer.getControl( ).isVisible( ) )
		{