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/schematic/editparts/TableUtil.java
if ( data == null )
		{
			return 0;
		}
		int height = 0;
		for ( int i = 1; i < row; i++ )
		{
			height = height + data.findRowData( i ).height;
		}
		return height;
	}
	/**
	 * Calculates height of row
	 * 
	 * @param part
	 * @param row
	 * @return
	 */
	public static int caleVisualHeight( TableEditPart part, Object row )
	{
		RowHandleAdapter adapt = HandleAdapterFactory.getInstance( )
				.getRowHandleAdapter( row );
		IFigure figure = part.getLayer( LayerConstants.PRIMARY_LAYER );
		TableLayout.WorkingData data = (TableLayout.WorkingData) figure.getLayoutManager( )
				.getConstraint( figure );
		if ( data == null )
		{
			return adapt.getHeight( );
		}