function QueueExampleForm::submitShowQueue

Same name in other branches
  1. 4.0.x modules/queue_example/src/Form/QueueExampleForm.php \Drupal\queue_example\Form\QueueExampleForm::submitShowQueue()

Submit function for the show-queue button.

Parameters

array $form: Form definition array.

\Drupal\Core\Form\FormStateInterface $form_state: Form state object.

File

modules/queue_example/src/Form/QueueExampleForm.php, line 272

Class

QueueExampleForm
Form with examples on how to use queue.

Namespace

Drupal\queue_example\Form

Code

public function submitShowQueue(array &$form, FormStateInterface $form_state) {
    $queue = $this->queueFactory
        ->get($form_state->getValue('queue_name'));
    // There is no harm in trying to recreate existing.
    $queue->createQueue();
    // Get the number of items.
    $count = $queue->numberOfItems();
    // Update the form item counter.
    $form_state->set('insert_counter', $count + 1);
    // Unset the string_to_add textbox.
    $form_state->unsetValue('string_to_add');
    $form_state->setRebuild();
}