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.
15 class SiteMaintenanceModeForm extends ConfigFormBase {
18 * The state keyvalue collection.
20 * @var \Drupal\Core\State\StateInterface
25 * The permission handler.
27 * @var \Drupal\user\PermissionHandlerInterface
29 protected $permissionHandler;
32 * Constructs a new SiteMaintenanceModeForm.
34 * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
35 * The factory for configuration objects.
36 * @param \Drupal\Core\State\StateInterface $state
37 * The state keyvalue collection to use.
38 * @param \Drupal\user\PermissionHandlerInterface $permission_handler
39 * The permission handler.
41 public function __construct(ConfigFactoryInterface $config_factory, StateInterface $state, PermissionHandlerInterface $permission_handler) {
42 parent::__construct($config_factory);
43 $this->state = $state;
44 $this->permissionHandler = $permission_handler;
50 public static function create(ContainerInterface $container) {
52 $container->get('config.factory'),
53 $container->get('state'),
54 $container->get('user.permissions')
60 public function getFormId() {
61 return 'system_site_maintenance_mode';
67 protected function getEditableConfigNames() {
68 return ['system.maintenance'];
74 public function buildForm(array $form, FormStateInterface $form_state) {
75 $config = $this->config('system.maintenance');
76 $permissions = $this->permissionHandler->getPermissions();
77 $permission_label = $permissions['access site in maintenance mode']['title'];
78 $form['maintenance_mode'] = [
79 '#type' => 'checkbox',
80 '#title' => t('Put site into maintenance mode'),
81 '#default_value' => $this->state->get('system.maintenance_mode'),
82 '#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')]),
84 $form['maintenance_mode_message'] = [
85 '#type' => 'textarea',
86 '#title' => t('Message to display when in maintenance mode'),
87 '#default_value' => $config->get('message'),
90 return parent::buildForm($form, $form_state);
96 public function submitForm(array &$form, FormStateInterface $form_state) {
97 $this->config('system.maintenance')
98 ->set('message', $form_state->getValue('maintenance_mode_message'))
101 $this->state->set('system.maintenance_mode', $form_state->getValue('maintenance_mode'));
102 parent::submitForm($form, $form_state);