function NavigationHooks::blockAlter

Implements hook_block_alter().

Attributes

File

core/modules/navigation/src/Hook/NavigationHooks.php, line 183

Class

NavigationHooks

Hook implementations for navigation.

Namespace

Code

public function blockAlter(&$definitions) : void {
  array_walk($definitions, function (&$definition, $block_id) {
    [
      $base_plugin_id,
    ] = explode(PluginBase::DERIVATIVE_SEPARATOR, $block_id);
    // Add the allow_in_navigation attribute to those blocks valid for
    // Navigation.
    // @todo Refactor to use actual block Attribute once
    //   https://www.drupal.org/project/drupal/issues/3443882 is merged.
    $allow_in_navigation = [
      'navigation_user',
      'navigation_shortcuts',
      'navigation_menu',
    ];
    if (in_array($base_plugin_id, $allow_in_navigation, TRUE)) {
      $definition['allow_in_navigation'] = TRUE;
    }
    // Hide Navigation specific blocks from the generic UI.
    $hidden = [
      'navigation_user',
      'navigation_shortcuts',
      'navigation_menu',
      'navigation_link',
    ];
    if (in_array($base_plugin_id, $hidden, TRUE)) {
      $definition['_block_ui_hidden'] = TRUE;
    }
  });
}