config.add(industry);
config.add(last);
final ColumnModel cm = new ColumnModel(config);
GroupingView view = new GroupingView();
view.setShowGroupedColumn(false);
view.setForceFit(true);
view.setGroupRenderer(new GridGroupRenderer() {
public String render(GroupColumnData data) {
String f = cm.getColumnById(data.field).getHeader();
String l = data.models.size() == 1 ? "Item" : "Items";
return f + ": " + data.group + " (" + data.models.size() + " " + l + ")";
}