/**
* {@inheritdoc}
*/
public function createInstance($data_type, array $configuration = array())
{
$instance = parent::createInstance($data_type, $configuration);
// Enable elements to construct their own definitions using the typed config
// manager.
if ($instance instanceof ArrayElement) {
$instance->setTypedConfig($this);
}
return $instance;
}
/**
* {@inheritdoc}
*
* Creates a field item, which is not part of an entity or field item list.
*
* @param string $field_type
* The field type, for which a field item should be created.
* @param array $configuration
* The plugin configuration array, i.e. an array with the following keys:
* - field_definition: The field definition object, i.e. an instance of
* Drupal\Core\Field\FieldDefinitionInterface.
*
* @return \Drupal\Core\Field\FieldItemInterface
* The instantiated object.
*/
public function createInstance($field_type, array $configuration = array())
{
$configuration['data_definition'] = $configuration['field_definition']->getItemDefinition();
return $this->typedDataManager->createInstance("field_item:{$field_type}", $configuration);
}