class NodePreviewConverter in Drupal 8

Provides upcasting for a node entity in preview.

Hierarchy

• class \Drupal\node\ParamConverter\NodePreviewConverter implements ParamConverterInterface

1 string reference to 'NodePreviewConverter'

node.services.yml in core/modules/node/node.services.yml

core/modules/node/node.services.yml

1 service uses NodePreviewConverter

node_preview in core/modules/node/node.services.yml

Drupal\node\ParamConverter\NodePreviewConverter

File

core/modules/node/src/ParamConverter/NodePreviewConverter.php, line 12

Namespace

Drupal\node\ParamConverter

class NodePreviewConverter implements ParamConverterInterface {

  /**
   * Stores the tempstore factory.
   *
   * @var \Drupal\Core\TempStore\PrivateTempStoreFactory
   */
  protected $tempStoreFactory;

  /**
   * Constructs a new NodePreviewConverter.
   *
   * @param \Drupal\Core\TempStore\PrivateTempStoreFactory $temp_store_factory
   *   The factory for the temp store object.
   */
  public function __construct(PrivateTempStoreFactory $temp_store_factory) {
    $this->tempStoreFactory = $temp_store_factory;
  }

  /**
   * {@inheritdoc}
   */
  public function convert($value, $definition, $name, array $defaults) {
    $store = $this->tempStoreFactory
      ->get('node_preview');
    if ($form_state = $store
      ->get($value)) {
      return $form_state
        ->getFormObject()
        ->getEntity();
    }
  }

  /**
   * {@inheritdoc}
   */
  public function applies($definition, $name, Route $route) {
    if (!empty($definition['type']) && $definition['type'] == 'node_preview') {
      return TRUE;
    }
    return FALSE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
NodePreviewConverter::$tempStoreFactory	protected	property	Stores the tempstore factory.
NodePreviewConverter::applies	public	function	Determines if the converter applies to a specific route and variable. Overrides ParamConverterInterface::applies
NodePreviewConverter::convert	public	function	Converts path variables to their corresponding objects. Overrides ParamConverterInterface::convert
NodePreviewConverter::__construct	public	function	Constructs a new NodePreviewConverter.