@Override
    protected void onEnterKeyDown(Context context, Element parent, JobType value, NativeEvent event,
                                  ValueUpdater<JobType> valueUpdater) {
        if (valueUpdater != null) {
            valueUpdater.update(value);
        }
    }
Construct a new {@link SelectionCell} with the specified options.
stroom-core-client/src/main/java/stroom/job/client/JobTypeCell.java