Bug 129886 Delect a column contain the marge row which contain some item, Error message pop up
Details: Delect a column contain the marge row which contain some item, Error message pop up Setp: 1.New a library and add a 3*3 grid 2.Insert a label in cell(1,1) 3.Marge the cell of (1,1) and (1,2) 4.Delete column 1. Actual result: An error message pop up
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
}
	/**
	 * The contents' Figure will be added to the PRIMARY_LAYER.
	 * 
	 * @see org.eclipse.gef.GraphicalEditPart#getContentPane()
	 */
	public IFigure getContentPane( )
	{
		return getLayer( PRIMARY_LAYER );
	}
	/**
	 * @return the table adapter
	 */
	protected TableHandleAdapter getTableAdapter( )
	{
		return (TableHandleAdapter) getModelAdapter( );
	}
	/**
	 * Get all rows list
	 * 
	 * @return all rows list.
	 */
	public List getRows( )
	{
		return getTableAdapter( ).getRows( );
	}
	/**
	 * @param number
	 *            a row position
	 * @return a specific row.