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
return data.findColumnData( columnNumber ).minColumnWidth;
		}
		return 0;
	}
	
	/**Gets the table contents height
	 * @param part
	 * @return
	 */
	public static int getTableContentsHeight(TableEditPart part)
	{
		IFigure figure = part.getLayer( LayerConstants.PRIMARY_LAYER );
		TableLayout.WorkingData data = (TableLayout.WorkingData) figure.getLayoutManager( )
				.getConstraint( figure );
		if ( data == null )
		{
			return 0;
		}
		int height = 0;
		if (data.rowHeights == null)
		{
			return height;
		}
		int len = data.rowHeights.length;
		for (int i=0; i<len; i++)
		{
			height = height + data.rowHeights[i].height;
		}
		
		return height;