public static function WorkflowConfigTransition::sort in Workflow 8

Helper callback for uasort() to sort configuration entities by weight and label.

Overrides ConfigEntityBase::sort

File

src/Entity/WorkflowConfigTransition.php, line 157

Class

WorkflowConfigTransition

Workflow configuration entity to persistently store configuration.

Namespace

Drupal\workflow\Entity

Code

public static function sort(ConfigEntityInterface $a, ConfigEntityInterface $b) {

  // Sort the entities using the entity class's sort() method.
  // See \Drupal\Core\Config\Entity\ConfigEntityBase::sort().

  /** @var \Drupal\workflow\Entity\WorkflowTransitionInterface $a */

  /** @var \Drupal\workflow\Entity\WorkflowTransitionInterface $b */
  if (!$a
    ->getFromSid() || !$b
    ->getFromSid()) {
    return 0;
  }

  // First sort on From-State.
  $from_state_a = $a
    ->getFromState();
  $from_state_b = $b
    ->getFromState();
  if ($from_state_a->weight < $from_state_b->weight) {
    return -1;
  }
  if ($from_state_a->weight > $from_state_b->weight) {
    return +1;
  }

  // Then sort on To-State.
  $to_state_a = $a
    ->getToState();
  $to_state_b = $b
    ->getToState();
  if ($to_state_a->weight < $to_state_b->weight) {
    return -1;
  }
  if ($to_state_a->weight > $to_state_b->weight) {
    return +1;
  }
  return 0;
}