class EntityReference_SelectionHandler_Generic_taxonomy_term in Entity reference 7
Override for the Taxonomy term type.
This only exists to workaround core bugs.
Hierarchy
- class \EntityReference_SelectionHandler_Generic implements EntityReference_SelectionHandler
Expanded class hierarchy of EntityReference_SelectionHandler_Generic_taxonomy_term
File
- plugins/
selection/ EntityReference_SelectionHandler_Generic.class.php, line 510
View source
class EntityReference_SelectionHandler_Generic_taxonomy_term extends EntityReference_SelectionHandler_Generic {
public function entityFieldQueryAlter(SelectQueryInterface $query) {
// The Taxonomy module doesn't implement any proper taxonomy term access,
// and as a consequence doesn't make sure that taxonomy terms cannot be viewed
// when the user doesn't have access to the vocabulary.
$base_table = $this
->ensureBaseTable($query);
$vocabulary_alias = $query
->innerJoin('taxonomy_vocabulary', 'n', '%alias.vid = ' . $base_table . '.vid');
$query
->addMetadata('base_table', $vocabulary_alias);
// Pass the query to the taxonomy access control.
$this
->reAlterQuery($query, 'taxonomy_vocabulary_access', $vocabulary_alias);
// Also, the taxonomy term entity exposes a bundle, but doesn't have a bundle
// column in the database. We have to alter the query ourself to go fetch
// the bundle.
$conditions =& $query
->conditions();
foreach ($conditions as $key => &$condition) {
if ($key !== '#conjunction' && is_string($condition['field']) && $condition['field'] === 'vocabulary_machine_name') {
$condition['field'] = $vocabulary_alias . '.machine_name';
break;
}
}
}
/**
* Implements EntityReferenceHandler::getReferencableEntities().
*/
public function getReferencableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0) {
if ($match || $limit) {
return parent::getReferencableEntities($match, $match_operator, $limit);
}
$options = array();
$entity_type = $this->field['settings']['target_type'];
// We imitate core by calling taxonomy_get_tree().
$entity_info = entity_get_info('taxonomy_term');
$bundles = !empty($this->field['settings']['handler_settings']['target_bundles']) ? $this->field['settings']['handler_settings']['target_bundles'] : array_keys($entity_info['bundles']);
foreach ($bundles as $bundle) {
if ($vocabulary = taxonomy_vocabulary_machine_name_load($bundle)) {
if ($terms = taxonomy_get_tree($vocabulary->vid, 0, NULL, TRUE)) {
foreach ($terms as $term) {
$options[$vocabulary->machine_name][$term->tid] = str_repeat('-', $term->depth) . check_plain(entity_label('taxonomy_term', $term));
}
}
}
}
return $options;
}
}