if (!ui.isMandatory()) return true;
ui.setErrorKey(i18nFormElementLabelKey()+ ".error.empty");
return false;
}
return uiDate.validDate(i18nFormElementLabelKey()+ ".error");
}
/**
* @see org.olat.user.propertyhandlers.UserPropertyHandler#isValid(org.olat.core.gui.components.form.flexible.FormItem, java.util.Map)
*/