public function RelationEndpointFullFormatter::viewElements in Relation 8

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

relation_endpoint/src/Plugin/Field/FieldFormatter/RelationEndpointFullFormatter.php, line 30

Contains \Drupal\relation_endpoint\Plugin\Field\FieldFormatter\RelationEndpointFullFormatter.

Class

RelationEndpointFullFormatter

Plugin implementation of the 'link' formatter.

Namespace

Drupal\relation_endpoint\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $build = [];
  foreach ($items as $delta => $item) {
    $storage_handler = \Drupal::entityTypeManager()
      ->getStorage($item->entity_type);
    if ($entity = $storage_handler
      ->load($item->entity_id)) {

      // @todo: allow view mode customisation.
      $build[$delta] = \Drupal::entityTypeManager()
        ->getViewBuilder($entity
        ->getEntityTypeId())
        ->view($entity, 'teaser');
    }
  }
  return $build;
}