public function preRender(&$values)
{
$vocabularies = $this->vocabularyStorage->loadMultiple();
$this->field_alias = $this->aliases['nid'];
$nids = array();
foreach ($values as $result) {
if (!empty($result->{$this->aliases['nid']})) {
$nids[] = $result->{$this->aliases['nid']};
}
}
if ($nids) {
$vocabs = array_filter($this->options['vids']);
if (empty($this->options['limit'])) {
$vocabs = array();
}
$result = \Drupal::entityManager()->getStorage('taxonomy_term')->getNodeTerms($nids, $vocabs);
foreach ($result as $node_nid => $data) {
foreach ($data as $tid => $term) {
$this->items[$node_nid][$tid]['name'] = \Drupal::entityManager()->getTranslationFromContext($term)->label();
$this->items[$node_nid][$tid]['tid'] = $tid;
$this->items[$node_nid][$tid]['vocabulary_vid'] = $term->getVocabularyId();
$this->items[$node_nid][$tid]['vocabulary'] = $vocabularies[$term->getVocabularyId()]->label();
if (!empty($this->options['link_to_taxonomy'])) {
$this->items[$node_nid][$tid]['make_link'] = TRUE;
$this->items[$node_nid][$tid]['path'] = 'taxonomy/term/' . $tid;
}
}
}
}
}
/**
* {@inheritdoc}
*/
public function calculateDependencies()
{
$dependencies = parent::calculateDependencies();
foreach ($this->vocabularyStorage->loadMultiple(array_keys($this->options['vids'])) as $vocabulary) {
$dependencies[$vocabulary->getConfigDependencyKey()][] = $vocabulary->getConfigDependencyName();
}
return $dependencies;
}
/**
* Determines if the vocabulary already exists.
*
* @param string $vid
* The vocabulary ID.
*
* @return bool
* TRUE if the vocabulary exists, FALSE otherwise.
*/
public function exists($vid)
{
$action = $this->vocabularyStorage->load($vid);
return !empty($action);
}