public function validate()
{
$errors = null;
try {
parent::validate();
} catch (WebformErrors $errs) {
$errors = $errs;
}
if ($this->required && !count($this->getValues())) {
if (is_null($errors)) {
$errors = new WebformErrors();
}
$e = sprintf($this->getWebform()->getI18n('error/required'), $this->label);
$this->addError($e);
$errors->addError($e);
}
// throw errors if present
if (!is_null($errors)) {
throw $errors;
}
}
