ArrayList<ListGridField> fields = new ArrayList<ListGridField>();
ListGridField metricNameField = new ListGridField(FIELD_METRIC_NAME, MSG.common_title_name());
metricNameField.setHidden(true);
metricNameField.setGroupValueFunction(new GroupValueFunction() {
public Object getGroupValue(Object value, ListGridRecord record, ListGridField field, String fieldName,
ListGrid grid) {
// just create a group for each metric display name
return value;
}