class BookSettingsForm in Drupal 9

Configure book settings for this site.

@internal

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
  • class \Drupal\Core\Form\ConfigFormBase uses ConfigFormBaseTrait
    • class \Drupal\book\Form\BookSettingsForm

1 string reference to 'BookSettingsForm'

book.routing.yml in core/modules/book/book.routing.yml

core/modules/book/book.routing.yml

File

core/modules/book/src/Form/BookSettingsForm.php, line 13

Namespace

Drupal\book\Form

class BookSettingsForm extends ConfigFormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'book_admin_settings';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'book.settings',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $types = node_type_get_names();
    $config = $this
      ->config('book.settings');
    $form['book_allowed_types'] = [
      '#type' => 'checkboxes',
      '#title' => $this
        ->t('Content types allowed in book outlines'),
      '#default_value' => $config
        ->get('allowed_types'),
      '#options' => $types,
      '#description' => $this
        ->t('Users with the %outline-perm permission can add all content types.', [
        '%outline-perm' => $this
          ->t('Administer book outlines'),
      ]),
      '#required' => TRUE,
    ];
    $form['book_child_type'] = [
      '#type' => 'radios',
      '#title' => $this
        ->t('Content type for the <em>Add child page</em> link'),
      '#default_value' => $config
        ->get('child_type'),
      '#options' => $types,
      '#required' => TRUE,
    ];
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $child_type = $form_state
      ->getValue('book_child_type');
    if ($form_state
      ->isValueEmpty([
      'book_allowed_types',
      $child_type,
    ])) {
      $form_state
        ->setErrorByName('book_child_type', $this
        ->t('The content type for the %add-child link must be one of those selected as an allowed book outline type.', [
        '%add-child' => $this
          ->t('Add child page'),
      ]));
    }
    parent::validateForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $allowed_types = array_filter($form_state
      ->getValue('book_allowed_types'));

    // We need to save the allowed types in an array ordered by machine_name so
    // that we can save them in the correct order if node type changes.
    // @see book_node_type_update().
    sort($allowed_types);
    $this
      ->config('book.settings')
      ->set('allowed_types', $allowed_types)
      ->set('child_type', $form_state
      ->getValue('book_child_type'))
      ->save();
    parent::submitForm($form, $form_state);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BookSettingsForm::buildForm	public	function	Form constructor. Overrides ConfigFormBase::buildForm
BookSettingsForm::getEditableConfigNames	protected	function	Gets the configuration names that will be editable. Overrides ConfigFormBaseTrait::getEditableConfigNames
BookSettingsForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
BookSettingsForm::submitForm	public	function	Form submission handler. Overrides ConfigFormBase::submitForm
BookSettingsForm::validateForm	public	function	Form validation handler. Overrides FormBase::validateForm
ConfigFormBase::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create	18
ConfigFormBase::__construct	public	function	Constructs a \Drupal\system\ConfigFormBase object.	16
ConfigFormBaseTrait::config	protected	function	Retrieves a configuration object.
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.