function EntityContextDefinition::getSampleValues

Returns typed data objects representing this context definition.

This should return as many objects as needed to reflect the variations of the constraints it supports.

@yield \Drupal\Core\TypedData\TypedDataInterface The set of typed data object.

Overrides ContextDefinition::getSampleValues

File

core/lib/Drupal/Core/Plugin/Context/EntityContextDefinition.php, line 55

Class

EntityContextDefinition

Defines a class to provide entity context definitions.

Namespace

Code

protected function getSampleValues() {
  // Get the constraints from the context's definition.
  $constraints = $this->getConstraintObjects();
  $entity_type_manager = \Drupal::entityTypeManager();
  $entity_type_id = $this->getEntityTypeId();
  $entity_type = $entity_type_manager->getDefinition($entity_type_id);
  $storage = $entity_type_manager->getStorage($entity_type_id);
  // If the storage can generate a sample entity we might delegate to that.
  if ($storage instanceof ContentEntityStorageInterface) {
    if (!empty($constraints['Bundle']) && $constraints['Bundle'] instanceof BundleConstraint) {
      foreach ($constraints['Bundle']->getBundleOption() as $bundle) {
        // We have a bundle, we are bundleable and we can generate a sample.
        $values = [
          $entity_type->getKey('bundle') => $bundle,
        ];
        (yield EntityAdapter::createFromEntity($storage->create($values)));
      }
      return;
    }
  }
  // Either no bundle, or not bundleable, so generate an entity adapter.
  $definition = EntityDataDefinition::create($entity_type_id);
  (yield new EntityAdapter($definition));
}