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
if ( obj != null )
			{
				int rowNum = ( (Integer) obj ).intValue( );
				RowHandle row = (RowHandle) getRow( rowNum );
				if ( row.getContainer( ) instanceof TableGroupHandle )
				{
					IAction action = new EditGroupAction( null,
							(TableGroupHandle) row.getContainer( ) );
					if ( action.isEnabled( ) )
					{
						action.run( );
					}
				}
			}
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.AbstractReportEditPart#refreshFigure()
	 */
	public void refreshFigure( )
	{
		refreshBorder( getTableAdapter( ).getHandle( ),
				(BaseBorder) getFigure( ).getBorder( ) );
		( (SectionBorder) ( getFigure( ).getBorder( ) ) ).setPaddingInsets( getTableAdapter( ).getPadding( getFigure( ).getInsets( ) ) );
		refreshBackground( (DesignElementHandle) getModel( ) );
		refreshMargin( );
		for ( Iterator itr = getChildren( ).iterator( ); itr.hasNext( ); )
		{