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class BlockLibraryController in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/block/src/Controller/BlockLibraryController.php \Drupal\block\Controller\BlockLibraryController

Provides a list of block plugins to be added to the layout.

Hierarchy

Expanded class hierarchy of BlockLibraryController

File

core/modules/block/src/Controller/BlockLibraryController.php, line 24
Contains \Drupal\block\Controller\BlockLibraryController.

Namespace

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

  /**
   * The block manager.
   *
   * @var \Drupal\Core\Block\BlockManagerInterface
   */
  protected $blockManager;

  /**
   * The context repository.
   *
   * @var \Drupal\Core\Plugin\Context\LazyContextRepository
   */
  protected $contextRepository;

  /**
   * The route match.
   *
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $routeMatch;

  /**
   * The local action manager.
   *
   * @var \Drupal\Core\Menu\LocalActionManagerInterface
   */
  protected $localActionManager;

  /**
   * Constructs a BlockLibraryController object.
   *
   * @param \Drupal\Core\Block\BlockManagerInterface $block_manager
   *   The block manager.
   * @param \Drupal\Core\Plugin\Context\LazyContextRepository $context_repository
   *   The context repository.
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The current route match.
   * @param \Drupal\Core\Menu\LocalActionManagerInterface $local_action_manager
   *   The local action manager.
   */
  public function __construct(BlockManagerInterface $block_manager, LazyContextRepository $context_repository, RouteMatchInterface $route_match, LocalActionManagerInterface $local_action_manager) {
    $this->blockManager = $block_manager;
    $this->routeMatch = $route_match;
    $this->localActionManager = $local_action_manager;
    $this->contextRepository = $context_repository;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('plugin.manager.block'), $container
      ->get('context.repository'), $container
      ->get('current_route_match'), $container
      ->get('plugin.manager.menu.local_action'));
  }

  /**
   * Shows a list of blocks that can be added to a theme's layout.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current request.
   * @param string $theme
   *   Theme key of the block list.
   *
   * @return array
   *   A render array as expected by the renderer.
   */
  public function listBlocks(Request $request, $theme) {

    // Since modals do not render any other part of the page, we need to render
    // them manually as part of this listing.
    if ($request->query
      ->get(MainContentViewSubscriber::WRAPPER_FORMAT) === 'drupal_modal') {
      $build['local_actions'] = $this
        ->buildLocalActions();
    }
    $headers = [
      [
        'data' => $this
          ->t('Block'),
      ],
      [
        'data' => $this
          ->t('Category'),
      ],
      [
        'data' => $this
          ->t('Operations'),
      ],
    ];

    // Only add blocks which work without any available context.
    $definitions = $this->blockManager
      ->getDefinitionsForContexts($this->contextRepository
      ->getAvailableContexts());

    // Order by category, and then by admin label.
    $definitions = $this->blockManager
      ->getSortedDefinitions($definitions);
    $region = $request->query
      ->get('region');
    $rows = [];
    foreach ($definitions as $plugin_id => $plugin_definition) {
      $row = [];
      $row['title']['data'] = [
        '#type' => 'inline_template',
        '#template' => '<div class="block-filter-text-source">{{ label }}</div>',
        '#context' => [
          'label' => $plugin_definition['admin_label'],
        ],
      ];
      $row['category']['data'] = $plugin_definition['category'];
      $links['add'] = [
        'title' => $this
          ->t('Place block'),
        'url' => Url::fromRoute('block.admin_add', [
          'plugin_id' => $plugin_id,
          'theme' => $theme,
        ]),
        'attributes' => [
          'class' => [
            'use-ajax',
          ],
          'data-dialog-type' => 'modal',
          'data-dialog-options' => Json::encode([
            'width' => 700,
          ]),
        ],
      ];
      if ($region) {
        $links['add']['query']['region'] = $region;
      }
      $row['operations']['data'] = [
        '#type' => 'operations',
        '#links' => $links,
      ];
      $rows[] = $row;
    }
    $build['#attached']['library'][] = 'block/drupal.block.admin';
    $build['filter'] = [
      '#type' => 'search',
      '#title' => $this
        ->t('Filter'),
      '#title_display' => 'invisible',
      '#size' => 30,
      '#placeholder' => $this
        ->t('Filter by block name'),
      '#attributes' => [
        'class' => [
          'block-filter-text',
        ],
        'data-element' => '.block-add-table',
        'title' => $this
          ->t('Enter a part of the block name to filter by.'),
      ],
    ];
    $build['blocks'] = [
      '#type' => 'table',
      '#header' => $headers,
      '#rows' => $rows,
      '#empty' => $this
        ->t('No blocks available.'),
      '#attributes' => [
        'class' => [
          'block-add-table',
        ],
      ],
    ];
    return $build;
  }

  /**
   * Builds the local actions for this listing.
   *
   * @return array
   *   An array of local actions for this listing.
   */
  protected function buildLocalActions() {
    $build = $this->localActionManager
      ->getActionsForRoute($this->routeMatch
      ->getRouteName());

    // Without this workaround, the action links will be rendered as <li> with
    // no wrapping <ul> element.
    if (!empty($build)) {
      $build['#prefix'] = '<ul class="action-links">';
      $build['#suffix'] = '</ul>';
    }
    return $build;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
BlockLibraryController::$blockManager protected property The block manager.
BlockLibraryController::$contextRepository protected property The context repository.
BlockLibraryController::$localActionManager protected property The local action manager.
BlockLibraryController::$routeMatch protected property The route match.
BlockLibraryController::buildLocalActions protected function Builds the local actions for this listing.
BlockLibraryController::create public static function Instantiates a new instance of this class. Overrides ControllerBase::create
BlockLibraryController::listBlocks public function Shows a list of blocks that can be added to a theme's layout.
BlockLibraryController::__construct public function Constructs a BlockLibraryController object.
ControllerBase::$configFactory protected property The configuration factory.
ControllerBase::$currentUser protected property The current user service. 1
ControllerBase::$entityFormBuilder protected property The entity form builder.
ControllerBase::$entityManager protected property The entity manager. 1
ControllerBase::$entityTypeManager protected property The entity type manager.
ControllerBase::$formBuilder protected property The form builder. 3
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::entityManager Deprecated protected function Retrieves the entity manager service. 1
ControllerBase::entityTypeManager protected function Retrieves the entity type manager.
ControllerBase::formBuilder protected function Returns the form builder service. 3
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::state protected function Returns the state storage service.
LinkGeneratorTrait::$linkGenerator protected property The link generator. 1
LinkGeneratorTrait::getLinkGenerator protected function Returns the link generator.
LinkGeneratorTrait::l protected function Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator public function Sets the link generator service.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service.
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::$stringTranslation protected property The string translation service.
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator protected function Returns the URL generator service.
UrlGeneratorTrait::redirect protected function Returns a redirect response object for the specified route.
UrlGeneratorTrait::setUrlGenerator public function Sets the URL generator service.
UrlGeneratorTrait::url protected function Generates a URL or path for a specific route based on the given parameters.