class SelectionEntityTypeTaxonomyTerm in Entity reference 8

Hierarchy

• class \Drupal\entityreference\Plugin\entityreference\selection\SelectionBase implements SelectionInterface
  • class \Drupal\entityreference\Plugin\Type\Selection\SelectionEntityTypeTaxonomyTerm

File

lib/Drupal/entityreference/Plugin/Type/Selection/SelectionEntityTypeTaxonomyTerm.php, line 17

Definition of Drupal\entityreference\Plugin\entityreference\selection\SelectionEntityTypeTaxonomyTerm.

Namespace

Drupal\entityreference\Plugin\Type\Selection

class SelectionEntityTypeTaxonomyTerm extends SelectionBase {
  public function entityFieldQueryAlter(AlterableInterface $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.
    $tables = $query
      ->getTables();
    $base_table = key($tables);
    $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;
      }
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SelectionBase::buildEntityFieldQuery	protected	function	Build an EntityFieldQuery to get referencable entities.	1
SelectionBase::countReferencableEntities	public	function	Implements EntityReferenceHandler::countReferencableEntities(). Overrides SelectionInterface::countReferencableEntities
SelectionBase::getReferencableEntities	public	function	Implements EntityReferenceHandler::getReferencableEntities(). Overrides SelectionInterface::getReferencableEntities
SelectionBase::reAlterQuery	protected	function	Helper method: pass a query to the alteration system again.
SelectionBase::settingsForm	public static	function	Implements EntityReferenceHandler::settingsForm(). Overrides SelectionInterface::settingsForm
SelectionBase::validateAutocompleteInput	public	function	Implements EntityReferenceHandler::validateAutocompleteInput(). Overrides SelectionInterface::validateAutocompleteInput
SelectionBase::validateReferencableEntities	public	function	Implements EntityReferenceHandler::validateReferencableEntities(). Overrides SelectionInterface::validateReferencableEntities
SelectionBase::__construct	public	function
SelectionEntityTypeTaxonomyTerm::entityFieldQueryAlter	public	function	Implements EntityReferenceHandler::entityFieldQueryAlter(). Overrides SelectionBase::entityFieldQueryAlter