}
if (enableGrouping && enableNoGroups) {
final CheckMenuItem showInGroups = new CheckMenuItem(
DefaultMessages.getMessages().groupingView_showGroupsText());
showInGroups.setChecked(true);
showInGroups.addSelectionHandler(new SelectionHandler<Item>() {
@Override
public void onSelection(SelectionEvent<Item> event) {
if (showInGroups.isChecked()) {
groupBy(cm.getColumn(colIndex));
} else {