class EntityContextDefinition in Drupal 8

Same name and namespace in other branches

9 core/lib/Drupal/Core/Plugin/Context/EntityContextDefinition.php \Drupal\Core\Plugin\Context\EntityContextDefinition

Defines a class to provide entity context definitions.

Hierarchy

class \Drupal\Core\Plugin\Context\ContextDefinition implements ContextDefinitionInterface uses DependencySerializationTrait, TypedDataTrait
- class \Drupal\Core\Plugin\Context\EntityContextDefinition

Expanded class hierarchy of EntityContextDefinition

14 files declare their use of EntityContextDefinition

ContextHandlerTest.php in core/tests/Drupal/KernelTests/Core/Plugin/ContextHandlerTest.php
ContextPluginTest.php in core/tests/Drupal/KernelTests/Core/Plugin/ContextPluginTest.php
DefaultsSectionStorageTest.php in core/modules/layout_builder/tests/src/Unit/DefaultsSectionStorageTest.php
DefaultsSectionStorageTest.php in core/modules/layout_builder/tests/src/Kernel/DefaultsSectionStorageTest.php
Entity.php in core/modules/views/src/Plugin/views/argument_validator/Entity.php

... See full list

File

core/lib/Drupal/Core/Plugin/Context/EntityContextDefinition.php, line 15

Namespace

Drupal\Core\Plugin\Context

View source

class EntityContextDefinition extends ContextDefinition {

  /**
   * {@inheritdoc}
   */
  public function __construct($data_type = 'any', $label = NULL, $required = TRUE, $multiple = FALSE, $description = NULL, $default_value = NULL) {

    // Prefix the data type with 'entity:' so that this class can be constructed
    // like so: new EntityContextDefinition('node')
    if (strpos($data_type, 'entity:') !== 0) {
      $data_type = "entity:{$data_type}";
    }
    parent::__construct($data_type, $label, $required, $multiple, $description, $default_value);
  }

  /**
   * Returns the entity type ID of this context.
   *
   * @return string
   *   The entity type ID.
   */
  protected function getEntityTypeId() {

    // The data type is the entity type ID prefixed by 'entity:' (7 characters).
    return substr($this
      ->getDataType(), 7);
  }

  /**
   * {@inheritdoc}
   */
  protected function getConstraintObjects() {
    if (!$this
      ->getConstraint('EntityType')) {
      $this
        ->addConstraint('EntityType', [
        'type' => $this
          ->getEntityTypeId(),
      ]);
    }
    return parent::getConstraintObjects();
  }

  /**
   * {@inheritdoc}
   */
  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));
  }

  /**
   * Creates a context definition from a given entity type ID.
   *
   * @param string $entity_type_id
   *   The entity type ID from which to derive a context definition.
   *
   * @return static
   */
  public static function fromEntityTypeId($entity_type_id) {
    $entity_type = \Drupal::entityTypeManager()
      ->getDefinition($entity_type_id);
    return static::fromEntityType($entity_type);
  }

  /**
   * Creates a context definition from a given entity type.
   *
   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
   *   The entity type from which to derive a context definition.
   *
   * @return static
   */
  public static function fromEntityType(EntityTypeInterface $entity_type) {
    return new static('entity:' . $entity_type
      ->id(), $entity_type
      ->getLabel());
  }

  /**
   * Creates a context definition from a given entity object.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity from which to derive a context definition.
   *
   * @return static
   */
  public static function fromEntity(EntityInterface $entity) {
    return static::fromEntityType($entity
      ->getEntityType());
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ContextDefinition::$constraints	protected	property	An array of constraints.
ContextDefinition::$dataType	protected	property	The data type of the data.
ContextDefinition::$defaultValue	protected	property	The default value.
ContextDefinition::$description	protected	property	The human-readable description.
ContextDefinition::$entityContextDefinition Deprecated	private	property	An EntityContextDefinition instance, for backwards compatibility.
ContextDefinition::$isMultiple	protected	property	Whether the data is multi-valued, i.e. a list of data items.
ContextDefinition::$isRequired	protected	property	Determines whether a data value is required.
ContextDefinition::$label	protected	property	The human-readable label.
ContextDefinition::addConstraint	public	function	Adds a validation constraint. Overrides ContextDefinitionInterface::addConstraint
ContextDefinition::create	public static	function	Creates a new context definition.
ContextDefinition::dataTypeMatches	protected	function	Checks if this definition's data type matches that of the given context.
ContextDefinition::getConstraint	public	function	Gets a validation constraint. Overrides ContextDefinitionInterface::getConstraint
ContextDefinition::getConstraints	public	function	Gets an array of validation constraints. Overrides ContextDefinitionInterface::getConstraints
ContextDefinition::getDataDefinition	public	function	Returns the data definition of the defined context. Overrides ContextDefinitionInterface::getDataDefinition
ContextDefinition::getDataType	public	function	Gets the data type needed by the context. Overrides ContextDefinitionInterface::getDataType
ContextDefinition::getDefaultValue	public	function	Gets the default value for this context definition. Overrides ContextDefinitionInterface::getDefaultValue
ContextDefinition::getDescription	public	function	Gets a human readable description. Overrides ContextDefinitionInterface::getDescription
ContextDefinition::getLabel	public	function	Gets a human readable label. Overrides ContextDefinitionInterface::getLabel
ContextDefinition::initializeEntityContextDefinition	private	function	Initializes $this->entityContextDefinition for backwards compatibility.
ContextDefinition::isMultiple	public	function	Determines whether the data is multi-valued, i.e. a list of data items. Overrides ContextDefinitionInterface::isMultiple
ContextDefinition::isRequired	public	function	Determines whether the context is required. Overrides ContextDefinitionInterface::isRequired
ContextDefinition::isSatisfiedBy	public	function	Determines if this definition is satisfied by a context object. Overrides ContextDefinitionInterface::isSatisfiedBy
ContextDefinition::setConstraints	public	function	Sets the array of validation constraints. Overrides ContextDefinitionInterface::setConstraints
ContextDefinition::setDataType	public	function	Sets the data type needed by the context. Overrides ContextDefinitionInterface::setDataType
ContextDefinition::setDefaultValue	public	function	Sets the default data value. Overrides ContextDefinitionInterface::setDefaultValue
ContextDefinition::setDescription	public	function	Sets the human readable description. Overrides ContextDefinitionInterface::setDescription
ContextDefinition::setLabel	public	function	Sets the human readable label. Overrides ContextDefinitionInterface::setLabel
ContextDefinition::setMultiple	public	function	Sets whether the data is multi-valued. Overrides ContextDefinitionInterface::setMultiple
ContextDefinition::setRequired	public	function	Sets whether the data is required. Overrides ContextDefinitionInterface::setRequired
ContextDefinition::__sleep	public	function	Implements magic __sleep() method.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function	Aliased as: traitSleep	1
DependencySerializationTrait::__wakeup	public	function		2
EntityContextDefinition::fromEntity	public static	function	Creates a context definition from a given entity object.
EntityContextDefinition::fromEntityType	public static	function	Creates a context definition from a given entity type.
EntityContextDefinition::fromEntityTypeId	public static	function	Creates a context definition from a given entity type ID.
EntityContextDefinition::getConstraintObjects	protected	function	Extracts an array of constraints for a context definition object. Overrides ContextDefinition::getConstraintObjects
EntityContextDefinition::getEntityTypeId	protected	function	Returns the entity type ID of this context.
EntityContextDefinition::getSampleValues	protected	function	Returns typed data objects representing this context definition. Overrides ContextDefinition::getSampleValues
EntityContextDefinition::__construct	public	function	Constructs a new context definition object. Overrides ContextDefinition::__construct
TypedDataTrait::$typedDataManager	protected	property	The typed data manager used for creating the data types.
TypedDataTrait::getTypedDataManager	public	function	Gets the typed data manager.	2
TypedDataTrait::setTypedDataManager	public	function	Sets the typed data manager.	2

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class EntityContextDefinition in Drupal 8

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