class FileSelection in Drupal 9

Provides specific access control for the file entity type.

Plugin annotation

@EntityReferenceSelection(
  id = "default:file",
  label = @Translation("File selection"),
  entity_types = {"file"},
  group = "default",
  weight = 1
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\Core\Entity\EntityReferenceSelection\SelectionPluginBase implements ConfigurableInterface, DependentPluginInterface, SelectionInterface
      • class \Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection implements SelectionWithAutocreateInterface, ContainerFactoryPluginInterface
        • class \Drupal\file\Plugin\EntityReferenceSelection\FileSelection

File

core/modules/file/src/Plugin/EntityReferenceSelection/FileSelection.php, line 19

Namespace

Drupal\file\Plugin\EntityReferenceSelection

class FileSelection extends DefaultSelection {

  /**
   * {@inheritdoc}
   */
  protected function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
    $query = parent::buildEntityQuery($match, $match_operator);

    // Allow referencing :
    // - files with status "permanent"
    // - or files uploaded by the current user (since newly uploaded files only
    //   become "permanent" after the containing entity gets validated and
    //   saved.)
    $query
      ->condition($query
      ->orConditionGroup()
      ->condition('status', FileInterface::STATUS_PERMANENT)
      ->condition('uid', $this->currentUser
      ->id()));
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function createNewEntity($entity_type_id, $bundle, $label, $uid) {
    $file = parent::createNewEntity($entity_type_id, $bundle, $label, $uid);

    // In order to create a referenceable file, it needs to have a "permanent"
    // status.

    /** @var \Drupal\file\FileInterface $file */
    $file
      ->setPermanent();
    return $file;
  }

  /**
   * {@inheritdoc}
   */
  public function validateReferenceableNewEntities(array $entities) {
    $entities = parent::validateReferenceableNewEntities($entities);
    $entities = array_filter($entities, function ($file) {

      /** @var \Drupal\file\FileInterface $file */
      return $file
        ->isPermanent() || $file
        ->getOwnerId() === $this->currentUser
        ->id();
    });
    return $entities;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DefaultSelection::$currentUser	protected	property	The current user.
DefaultSelection::$entityFieldManager	protected	property	The entity field manager service.
DefaultSelection::$entityRepository	protected	property	The entity repository.
DefaultSelection::$entityTypeBundleInfo	public	property	Entity type bundle info service.
DefaultSelection::$entityTypeManager	protected	property	The entity type manager service.
DefaultSelection::$moduleHandler	protected	property	The module handler service.
DefaultSelection::buildConfigurationForm	public	function	Form constructor. Overrides SelectionPluginBase::buildConfigurationForm	3
DefaultSelection::countReferenceableEntities	public	function	Counts entities that are referenceable. Overrides SelectionInterface::countReferenceableEntities	2
DefaultSelection::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	2
DefaultSelection::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides SelectionPluginBase::defaultConfiguration	3
DefaultSelection::elementValidateFilter	public static	function	Form element validation handler; Filters the #value property of an element.
DefaultSelection::getReferenceableEntities	public	function	Gets the list of referenceable entities. Overrides SelectionInterface::getReferenceableEntities	3
DefaultSelection::reAlterQuery	protected	function	Helper method: Passes a query to the alteration system again.
DefaultSelection::validateConfigurationForm	public	function	Form validation handler. Overrides SelectionPluginBase::validateConfigurationForm
DefaultSelection::validateReferenceableEntities	public	function	Validates which existing entities can be referenced. Overrides SelectionInterface::validateReferenceableEntities
DefaultSelection::__construct	public	function	Constructs a new DefaultSelection object. Overrides SelectionPluginBase::__construct	1
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
FileSelection::buildEntityQuery	protected	function	Builds an EntityQuery to get referenceable entities. Overrides DefaultSelection::buildEntityQuery
FileSelection::createNewEntity	public	function	Creates a new entity object that can be used as a valid reference. Overrides DefaultSelection::createNewEntity
FileSelection::validateReferenceableNewEntities	public	function	Validates which newly created entities can be referenced. Overrides DefaultSelection::validateReferenceableNewEntities
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	2
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
SelectionPluginBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
SelectionPluginBase::entityQueryAlter	public	function	Allows the selection to alter the SelectQuery generated by EntityFieldQuery. Overrides SelectionInterface::entityQueryAlter	2
SelectionPluginBase::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
SelectionPluginBase::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
SelectionPluginBase::submitConfigurationForm	public	function	Form submission handler. Overrides PluginFormInterface::submitConfigurationForm
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.