setLayoutManager( new RulerLayout( ) );
setLayoutManager( new EditorRulerLayout( ) );
	public EditorRulerFigure( boolean isHorizontal, int measurementUnit )	{		super( isHorizontal, measurementUnit );		setHorizontal( isHorizontal );		setUnit( measurementUnit );		setBackgroundColor( ColorConstants.listBackground );		setForegroundColor( ColorConstants.listForeground );		setOpaque( true );		setLayoutManager( new RulerLayout( ) );	}