Same name and namespace in other branches

1. 11.x core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php \Drupal\Core\Plugin\Context\ContextDefinition::isSatisfiedBy()
2. 9 core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php \Drupal\Core\Plugin\Context\ContextDefinition::isSatisfiedBy()
3. 8.9.x core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php \Drupal\Core\Plugin\Context\ContextDefinition::isSatisfiedBy()

Determines if this definition is satisfied by a context object.

Parameters

\Drupal\Core\Plugin\Context\ContextInterface $context: The context object.

Return value

bool TRUE if this definition is satisfiable by the context object, FALSE otherwise.

Overrides ContextDefinitionInterface::isSatisfiedBy

File

core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php, line 293

Class

ContextDefinition

Defines a class for context definitions.

Namespace

Drupal\Core\Plugin\Context

Code

public function isSatisfiedBy(ContextInterface $context) {
  $definition = $context->getContextDefinition();
  if (!$this->dataTypeMatches($context)) {
    return FALSE;
  }
  // Get the value for this context, either directly if possible or by
  // introspecting the definition.
  if ($context->hasContextValue()) {
    $values = [
      $context->getContextData(),
    ];
  }
  elseif ($definition instanceof self) {
    $values = $definition->getSampleValues();
  }
  else {
    $values = [];
  }
  $validator = $this->getTypedDataManager()
    ->getValidator();
  foreach ($values as $value) {
    $constraints = array_values($this->getConstraintObjects());
    if ($definition->isMultiple()) {
      $violations = new ConstraintViolationList();
      foreach ($value as $item) {
        $violations->addAll($validator->validate($item, $constraints));
      }
    }
    else {
      $violations = $validator->validate($value, $constraints);
    }
    foreach ($violations as $delta => $violation) {
      // Remove any violation that does not correspond to the constraints.
      if (!in_array($violation->getConstraint(), $constraints)) {
        $violations->remove($delta);
      }
    }
    // If a value has no violations then the requirement is satisfied.
    if (!$violations->count()) {
      return TRUE;
    }
  }
  return FALSE;
}

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