public function EntityReferenceFormatterBase::prepareView in Entity reference 8

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::prepareView().

Mark the accessible IDs a user can see. We do not unset unaccessible values, as other may want to act on those values, even if they can not be accessed.

File

lib/Drupal/entityreference/Plugin/field/formatter/EntityReferenceFormatterBase.php, line 28

Definition of Drupal\entityreference\Plugin\field\formatter\EntityReferenceFormatterBase.

Class

EntityReferenceFormatterBase

Parent plugin for entity-reference formatters.

Namespace

Drupal\entityreference\Plugin\field\formatter

Code

public function prepareView(array $entities, $langcode, array &$items) {
  $target_ids = array();

  // Collect every possible entity attached to any of the entities.
  foreach ($entities as $id => $entity) {
    foreach ($items[$id] as $delta => $item) {
      if (isset($item['target_id'])) {
        $target_ids[] = $item['target_id'];
      }
    }
  }
  $target_type = $this->field['settings']['target_type'];
  if ($target_ids) {
    $target_entities = entity_load_multiple($target_type, $target_ids);
  }
  else {
    $target_entities = array();
  }

  // Iterate through the fieldable entities again to attach the loaded
  // data.
  foreach ($entities as $id => $entity) {
    foreach ($items[$id] as $delta => $item) {
      $items[$id][$delta]['entity'] = $target_entities[$item['target_id']];
      if (!isset($target_entities[$item['target_id']])) {
        continue;
      }
      $entity = $target_entities[$item['target_id']];

      // TODO: Improve when we have entity_access().
      $entity_access = $target_type == 'node' ? node_access('view', $entity) : TRUE;
      if (!$entity_access) {
        continue;
      }

      // Mark item as accessible.
      $items[$id][$delta]['access'] = TRUE;
    }
  }
}