AllowedValuesConstraintValidator.php in Zircon Profile 8.0
Same filename and directory in other branches
File
core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/AllowedValuesConstraintValidator.phpView source
<?php
/**
* @file
* Contains \Drupal\Core\Validation\Plugin\Validation\Constraint\AllowedValuesConstraintValidator.
*/
namespace Drupal\Core\Validation\Plugin\Validation\Constraint;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\TypedData\OptionsProviderInterface;
use Drupal\Core\TypedData\ComplexDataInterface;
use Drupal\Core\TypedData\Validation\TypedDataAwareValidatorTrait;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\Constraints\ChoiceValidator;
/**
* Validates the AllowedValues constraint.
*/
class AllowedValuesConstraintValidator extends ChoiceValidator implements ContainerInjectionInterface {
use TypedDataAwareValidatorTrait;
/**
* The current user.
*
* @var \Drupal\Core\Session\AccountInterface
*/
protected $currentUser;
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static($container
->get('current_user'));
}
/**
* Constructs a new AllowedValuesConstraintValidator.
*
* @param \Drupal\Core\Session\AccountInterface $current_user
* The current user.
*/
public function __construct(AccountInterface $current_user) {
$this->currentUser = $current_user;
}
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint) {
$typed_data = $this
->getTypedData();
if ($typed_data instanceof OptionsProviderInterface) {
$allowed_values = $typed_data
->getSettableValues($this->currentUser);
$constraint->choices = $allowed_values;
// If the data is complex, we have to validate its main property.
if ($typed_data instanceof ComplexDataInterface) {
$name = $typed_data
->getDataDefinition()
->getMainPropertyName();
if (!isset($name)) {
throw new \LogicException('Cannot validate allowed values for complex data without a main property.');
}
$value = $typed_data
->get($name)
->getValue();
}
}
// The parent implementation ignores values that are not set, but makes
// sure some choices are available firstly. However, we want to support
// empty choices for undefined values, e.g. if a term reference field
// points to an empty vocabulary.
if (!isset($value)) {
return;
}
parent::validate($value, $constraint);
}
}
Classes
Name | Description |
---|---|
AllowedValuesConstraintValidator | Validates the AllowedValues constraint. |