function FieldStorageConfig::getOptionsProvider

Overrides FieldStorageDefinitionInterface::getOptionsProvider

File

core/modules/field/src/Entity/FieldStorageConfig.php, line 683

Class

FieldStorageConfig

Defines the Field storage configuration entity.

Namespace

Code

public function getOptionsProvider($property_name, FieldableEntityInterface $entity) {
    // If the field item class implements the interface, create an orphaned
    // runtime item object, so that it can be used as the options provider
    // without modifying the entity being worked on.
    if (is_subclass_of($this->getFieldItemClass(), OptionsProviderInterface::class)) {
        try {
            $items = $entity->get($this->getName());
        } catch (\InvalidArgumentException $e) {
            // When a field doesn't exist, create a new field item list using a
            // temporary base field definition. This step is necessary since there
            // may not be a field configuration for the storage when creating a new
            // field.
            // @todo Simplify in https://www.drupal.org/project/drupal/issues/3347291.
            $field_storage = BaseFieldDefinition::createFromFieldStorageDefinition($this);
            $entity_adapter = EntityAdapter::createFromEntity($entity);
            $items = \Drupal::typedDataManager()->create($field_storage, name: $field_storage->getName(), parent: $entity_adapter);
        }
        return \Drupal::service('plugin.manager.field.field_type')->createFieldItem($items, 0);
    }
    // @todo: Allow setting custom options provider, see
    // https://www.drupal.org/node/2002138.
}