3 namespace Drupal\system\Form;
5 use Drupal\Core\Config\ConfigFactoryInterface;
6 use Drupal\Core\Form\FormStateInterface;
7 use Drupal\Core\State\StateInterface;
8 use Drupal\Core\Form\ConfigFormBase;
9 use Drupal\user\PermissionHandlerInterface;
10 use Symfony\Component\DependencyInjection\ContainerInterface;
13 * Configure maintenance settings for this site.
17 class SiteMaintenanceModeForm extends ConfigFormBase {
20 * The state keyvalue collection.
22 * @var \Drupal\Core\State\StateInterface
27 * The permission handler.
29 * @var \Drupal\user\PermissionHandlerInterface
31 protected $permissionHandler;
34 * Constructs a new SiteMaintenanceModeForm.
36 * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
37 * The factory for configuration objects.
38 * @param \Drupal\Core\State\StateInterface $state
39 * The state keyvalue collection to use.
40 * @param \Drupal\user\PermissionHandlerInterface $permission_handler
41 * The permission handler.
43 public function __construct(ConfigFactoryInterface $config_factory, StateInterface $state, PermissionHandlerInterface $permission_handler) {
44 parent::__construct($config_factory);
45 $this->state = $state;
46 $this->permissionHandler = $permission_handler;
52 public static function create(ContainerInterface $container) {
54 $container->get('config.factory'),
55 $container->get('state'),
56 $container->get('user.permissions')
62 public function getFormId() {
63 return 'system_site_maintenance_mode';
69 protected function getEditableConfigNames() {
70 return ['system.maintenance'];
76 public function buildForm(array $form, FormStateInterface $form_state) {
77 $config = $this->config('system.maintenance');
78 $permissions = $this->permissionHandler->getPermissions();
79 $permission_label = $permissions['access site in maintenance mode']['title'];
80 $form['maintenance_mode'] = [
81 '#type' => 'checkbox',
82 '#title' => t('Put site into maintenance mode'),
83 '#default_value' => $this->state->get('system.maintenance_mode'),
84 '#description' => t('Visitors will only see the maintenance mode message. Only users with the "@permission-label" <a href=":permissions-url">permission</a> will be able to access the site. Authorized users can log in directly via the <a href=":user-login">user login</a> page.', ['@permission-label' => $permission_label, ':permissions-url' => $this->url('user.admin_permissions'), ':user-login' => $this->url('user.login')]),
86 $form['maintenance_mode_message'] = [
87 '#type' => 'textarea',
88 '#title' => t('Message to display when in maintenance mode'),
89 '#default_value' => $config->get('message'),
92 return parent::buildForm($form, $form_state);
98 public function submitForm(array &$form, FormStateInterface $form_state) {
99 $this->config('system.maintenance')
100 ->set('message', $form_state->getValue('maintenance_mode_message'))
103 $this->state->set('system.maintenance_mode', $form_state->getValue('maintenance_mode'));
104 parent::submitForm($form, $form_state);