/**
* {@inheritdoc}
*/
public function getReferenceableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0)
{
if ($match || $limit) {
return parent::getReferenceableEntities($match, $match_operator, $limit);
}
$options = array();
$bundles = $this->entityManager->getBundleInfo('taxonomy_term');
$handler_settings = $this->configuration['handler_settings'];
$bundle_names = !empty($handler_settings['target_bundles']) ? $handler_settings['target_bundles'] : array_keys($bundles);
foreach ($bundle_names as $bundle) {
if ($vocabulary = Vocabulary::load($bundle)) {
if ($terms = $this->entityManager->getStorage('taxonomy_term')->loadTree($vocabulary->id(), 0, NULL, TRUE)) {
foreach ($terms as $term) {
$options[$vocabulary->id()][$term->id()] = str_repeat('-', $term->depth) . Html::escape($term->getName());
}
}
}
}
return $options;
}
/**
* {@inheritdoc}
*/
public function getReferenceableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0)
{
// No input, return everything from the entity query.
if ($match === NULL || $match === '') {
return parent::getReferenceableEntities($match, $match_operator, $limit);
}
// Start with the selection results returned by the entity query. Don't use
// any limit because we have to apply a limit after filtering the items.
$options = parent::getReferenceableEntities($match, $match_operator);
// Always use a case-insensitive, escaped match. Entity labels returned by
// SelectionInterface::getReferenceableEntities() are already escaped, so
// the incoming $match needs to be escaped as well, making the comparison
// possible.
// @see \Drupal\Core\Entity\EntityReferenceSelection\SelectionInterface::getReferenceableEntities()
if (is_string($match)) {
$match = Html::escape(Unicode::strtolower($match));
} elseif (is_array($match)) {
array_walk($match, function (&$item) {
$item = Html::escape(Unicode::strtolower($item));
});
}
$filtered = [];
$count = 0;
// Filter target entities by the output of their label() method.
foreach ($options as $bundle => &$items) {
foreach ($items as $entity_id => $label) {
if ($this->matchLabel($match, $match_operator, $label)) {
$filtered[$bundle][$entity_id] = $label;
$count++;
if ($limit && $count >= $limit) {
break 2;
}
}
}
}
return $filtered;
}
