public function ContributorName::appendItem in Bibliography & Citation 8

Same name and namespace in other branches

1. 2.0.x modules/bibcite_entity/src/ContributorName.php \Drupal\bibcite_entity\ContributorName::appendItem()

Appends a new item to the list.

Parameters

mixed $value: The value of the new item.

Return value

\Drupal\Core\TypedData\TypedDataInterface The item that was appended.

Overrides ComputedItemListTrait::appendItem

File

modules/bibcite_entity/src/ContributorName.php, line 75

Class

ContributorName

Contributor name computed field.

Namespace

Drupal\bibcite_entity

Code

public function appendItem($value = NULL) {

  // Without this, the name field cannot be set via REST, it fails with
  // "Unprocessable Entity: validation failed. name: Name: this field cannot
  // hold more than 1 values." error.
  // There was similar issue with content moderation state computed field in
  // Drupal core, though the way it was fixed doesn't seem to be applicable
  // in our case.
  // We also do not care about handling offset other than 0 here, because it's
  // a single-value field.

  /* @see https://www.drupal.org/node/2943899 */

  /* @see \Drupal\serialization\Normalizer\FieldNormalizer::denormalize */

  /* @see \Drupal\Core\TypedData\ComputedItemListTrait::appendItem */

  /* @see \Drupal\content_moderation\Plugin\Field\ModerationStateFieldItemList */
  $item = $this
    ->createItem(0, $value);
  $this->list[0] = $item;
  return $item;
}