public function DynamicEntityReferenceFieldItemList::getConstraints in Dynamic Entity Reference 8.2

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldType/DynamicEntityReferenceFieldItemList.php \Drupal\dynamic_entity_reference\Plugin\Field\FieldType\DynamicEntityReferenceFieldItemList::getConstraints()

Gets a list of validation constraints.

Return value

array Array of constraints, each being an instance of \Symfony\Component\Validator\Constraint.

Overrides EntityReferenceFieldItemList::getConstraints

File

src/Plugin/Field/FieldType/DynamicEntityReferenceFieldItemList.php, line 21

Class

DynamicEntityReferenceFieldItemList

Defines a item list class for dynamic entity reference fields.

Namespace

Drupal\dynamic_entity_reference\Plugin\Field\FieldType

Code

public function getConstraints() {
  $constraints = parent::getConstraints();

  // Remove the 'ValidReferenceConstraint' validation constraint because
  // dynamic entity reference fields already use the 'ValidDynamicReference'
  // constraint.
  foreach ($constraints as $key => $constraint) {
    if ($constraint instanceof ValidReferenceConstraint) {
      unset($constraints[$key]);
    }
  }
  $constraints = array_values($constraints);
  $constraint_manager = $this
    ->getTypedDataManager()
    ->getValidationConstraintManager();
  $constraints[] = $constraint_manager
    ->create('ValidDynamicReference', []);
  return $constraints;
}