@Override public void configureRegistry(IConfigRegistry configRegistry) { configRegistry.registerConfigAttribute( CellConfigAttributes.CELL_PAINTER, new BeveledBorderDecorator(new ColumnGroupHeaderTextPainter()), DisplayMode.NORMAL, GridRegion.COLUMN_GROUP_HEADER); // We are not setting a special configuration for rendering grid lines, // as this would override the column header configuration. This is // because the the column group header is part of the column header // region. }
This doesn't seem right though :)