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
return;
		}
		ArrayList list = new ArrayList( );
		int size = numbers.length;
		int height = 0;
		int minRownumber = numbers[0];
		
		for ( int i = 0; i < size; i++ )
		{
			if ( minRownumber > numbers[i] )
			{
				minRownumber = numbers[i];
			}
			height = height
					+ TableUtil.caleVisualHeight( this, getRow( numbers[i] ) );
			list.add( new DummyRowEditPart( getRow( numbers[i] ) ) );
		}
		for ( int i = 0; i < size; i++ )
		{
			int columnNumber = getTableAdapter( ).getColumnCount( );
			for ( int j = 0; j < columnNumber; j++ )
			{
				TableCellEditPart part = getCell( numbers[i], j + 1 );
				if ( part != null )
				{
					list.add( part );
				}
			}
		}
		int y = TableUtil.caleY( this, minRownumber );