/**
* Helper method. Retrieves invalid elements from fieldset the $element belongs to.
*
* @param ElementInterface $element
* @param FieldsetInterface $fieldset
* @return array|\Traversable
*/
protected function getInvalidFieldsetElements(ElementInterface $element, FieldsetInterface $fieldset)
{
$elementName = $this->normalizeElementName($element->getName());
$elements = $fieldset->getElements();
if (isset($elements[$elementName]) && $elements[$elementName] === $element) {
if ($fieldset->getMessages()) {
return $elements;
}
/* @var $fieldsetElement ElementInterface */
foreach ($elements as $fieldsetElement) {
if ($fieldsetElement->getMessages() && ($fieldsetElement->getAttribute('type') === 'hidden' || $fieldsetElement instanceof Element\Captcha)) {
return $elements;
}
}
}
foreach ($fieldset->getFieldsets() as $fieldsetElement) {
if ($elements = $this->getInvalidFieldsetElements($element, $fieldsetElement)) {
return $elements;
}
}
return [];
}
/**
* @inheritdoc
*/
public function getMessages()
{
return $this->element->getMessages();
}
