* @see org.olat.user.propertyhandlers.UserPropertyHandler#isValid(org.olat.core.gui.formelements.FormElement)
*/
public boolean isValid(FormElement ui, Map formContext) {
TextElement uiText = (TextElement) ui;
if (ui.isMandatory()) {
return uiText.notEmpty(i18nFormElementLabelKey()+ ".error.empty");
}
return true;
}
/**