class FormAjaxException in Drupal 8

Custom exception to break out of AJAX form processing.

Hierarchy

• class \Drupal\Core\Form\FormAjaxException extends \Drupal\Core\Form\Exception

2 files declare their use of FormAjaxException

FormAjaxSubscriber.php in core/lib/Drupal/Core/Form/EventSubscriber/FormAjaxSubscriber.php

FormAjaxSubscriberTest.php in core/tests/Drupal/Tests/Core/Form/EventSubscriber/FormAjaxSubscriberTest.php

File

core/lib/Drupal/Core/Form/FormAjaxException.php, line 8

Namespace

Drupal\Core\Form

class FormAjaxException extends \Exception {

  /**
   * The form definition.
   *
   * @var array
   */
  protected $form;

  /**
   * The form state.
   *
   * @var \Drupal\Core\Form\FormStateInterface
   */
  protected $formState;

  /**
   * Constructs a FormAjaxException object.
   *
   * @param array $form
   *   The form definition.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state.
   * @param string $message
   *   (optional) The exception message.
   * @param int $code
   *   (optional) A user defined exception code.
   * @param \Exception $previous
   *   (optional) The previous exception for nested exceptions.
   */
  public function __construct(array $form, FormStateInterface $form_state, $message = "", $code = 0, \Exception $previous = NULL) {
    parent::__construct($message, $code, $previous);
    $this->form = $form;
    $this->formState = $form_state;
  }

  /**
   * Gets the form definition.
   *
   * @return array
   *   The form structure.
   */
  public function getForm() {
    return $this->form;
  }

  /**
   * Gets the form state.
   *
   * @return \Drupal\Core\Form\FormStateInterface
   *   The current state of the form.
   */
  public function getFormState() {
    return $this->formState;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FormAjaxException::$form	protected	property	The form definition.
FormAjaxException::$formState	protected	property	The form state.
FormAjaxException::getForm	public	function	Gets the form definition.
FormAjaxException::getFormState	public	function	Gets the form state.
FormAjaxException::__construct	public	function	Constructs a FormAjaxException object.