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class BlockController in Drupal 9

Same name and namespace in other branches
  1. 8 core/modules/block/src/Controller/BlockController.php \Drupal\block\Controller\BlockController

Controller routines for admin block routes.

Hierarchy

Expanded class hierarchy of BlockController

File

core/modules/block/src/Controller/BlockController.php, line 15

Namespace

Drupal\block\Controller
View source
class BlockController extends ControllerBase {

  /**
   * The theme handler.
   *
   * @var \Drupal\Core\Extension\ThemeHandlerInterface
   */
  protected $themeHandler;

  /**
   * Constructs a new BlockController instance.
   *
   * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
   *   The theme handler.
   */
  public function __construct(ThemeHandlerInterface $theme_handler) {
    $this->themeHandler = $theme_handler;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('theme_handler'));
  }

  /**
   * Calls a method on a block and reloads the listing page.
   *
   * @param \Drupal\block\BlockInterface $block
   *   The block being acted upon.
   * @param string $op
   *   The operation to perform, e.g., 'enable' or 'disable'.
   *
   * @return \Symfony\Component\HttpFoundation\RedirectResponse
   *   A redirect back to the listing page.
   */
  public function performOperation(BlockInterface $block, $op) {
    $block
      ->{$op}()
      ->save();
    $this
      ->messenger()
      ->addStatus($this
      ->t('The block settings have been updated.'));
    return $this
      ->redirect('block.admin_display');
  }

  /**
   * Returns a block theme demo page.
   *
   * @param string $theme
   *   The name of the theme.
   *
   * @return array
   *   A #type 'page' render array containing the block region demo.
   */
  public function demo($theme) {
    if (!$this->themeHandler
      ->hasUi($theme)) {
      throw new NotFoundHttpException();
    }
    $page = [
      '#title' => Html::escape($this->themeHandler
        ->getName($theme)),
      '#type' => 'page',
      '#attached' => [
        'drupalSettings' => [
          // The block demonstration page is not marked as an administrative
          // page by \Drupal::service('router.admin_context')->isAdminRoute()
          // function in order to use the frontend theme. Since JavaScript
          // relies on a proper separation of admin pages, it needs to know this
          // is an actual administrative page.
          'path' => [
            'currentPathIsAdmin' => TRUE,
          ],
        ],
        'library' => [
          'block/drupal.block.admin',
        ],
      ],
    ];

    // Show descriptions in each visible page region, nothing else.
    $visible_regions = $this
      ->getVisibleRegionNames($theme);
    foreach (array_keys($visible_regions) as $region) {
      $page[$region]['block_description'] = [
        '#type' => 'inline_template',
        '#template' => '<div class="block-region demo-block">{{ region_name }}</div>',
        '#context' => [
          'region_name' => $visible_regions[$region],
        ],
      ];
    }
    return $page;
  }

  /**
   * Returns the human-readable list of regions keyed by machine name.
   *
   * @param string $theme
   *   The name of the theme.
   *
   * @return array
   *   An array of human-readable region names keyed by machine name.
   */
  protected function getVisibleRegionNames($theme) {
    return system_region_list($theme, REGIONS_VISIBLE);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
BlockController::$themeHandler protected property The theme handler.
BlockController::create public static function Instantiates a new instance of this class. Overrides ControllerBase::create
BlockController::demo public function Returns a block theme demo page.
BlockController::getVisibleRegionNames protected function Returns the human-readable list of regions keyed by machine name.
BlockController::performOperation public function Calls a method on a block and reloads the listing page.
BlockController::__construct public function Constructs a new BlockController instance.
ControllerBase::$configFactory protected property The configuration factory.
ControllerBase::$currentUser protected property The current user service. 1
ControllerBase::$entityFormBuilder protected property The entity form builder.
ControllerBase::$entityTypeManager protected property The entity type manager.
ControllerBase::$formBuilder protected property The form builder. 2
ControllerBase::$keyValue protected property The key-value storage. 1
ControllerBase::$languageManager protected property The language manager. 1
ControllerBase::$moduleHandler protected property The module handler. 2
ControllerBase::$stateService protected property The state service.
ControllerBase::cache protected function Returns the requested cache bin.
ControllerBase::config protected function Retrieves a configuration object.
ControllerBase::container private function Returns the service container.
ControllerBase::currentUser protected function Returns the current user. 1
ControllerBase::entityFormBuilder protected function Retrieves the entity form builder.
ControllerBase::entityTypeManager protected function Retrieves the entity type manager.
ControllerBase::formBuilder protected function Returns the form builder service. 2
ControllerBase::keyValue protected function Returns a key/value storage collection. 1
ControllerBase::languageManager protected function Returns the language manager service. 1
ControllerBase::moduleHandler protected function Returns the module handler. 2
ControllerBase::redirect protected function Returns a redirect response object for the specified route.
ControllerBase::state protected function Returns the state storage service.
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.