Another way to do it is to wrap it in the
LabeledPropertySelectionModel and then use "required" as validator,
like this:
/** .java **/
public abstract String getSex();
public IPropertySelectionModel getSexSelectionModel() {
return new
The validator doesnt reject it because 'choice' is a value as well, and
thus valid. A validator cannot on it is own determine that 'choice' is
an invalid value for a 'gender' field
Besides that you also need to set an actual validator on your
PropertySelection component, otherwise it will never wor