getSourceEditPart( ).performRequest( request );
if ( getSourceEditPart( ).understandsRequest( request ) ) { getSourceEditPart( ).performRequest( request ); }
	protected void performOpen( )	{		SelectionRequest request = new SelectionRequest( );		request.setLocation( getLocation( ) );		request.setType( RequestConstants.REQ_OPEN );		request.getExtendedData( ).put( DesignerConstants.TABLE_ROW_NUMBER,				new Integer( getNumber( ) ) );		getSourceEditPart( ).performRequest( request );	}