class ThemeLocalTask
Provides dynamic tabs based on active themes.
Hierarchy
- class \Drupal\Component\Plugin\Derivative\DeriverBase implements \Drupal\Component\Plugin\Derivative\DeriverInterface
- class \Drupal\block\Plugin\Derivative\ThemeLocalTask implements \Drupal\Core\Plugin\Discovery\ContainerDeriverInterface extends \Drupal\Component\Plugin\Derivative\DeriverBase
 
 
Expanded class hierarchy of ThemeLocalTask
1 string reference to 'ThemeLocalTask'
- block.links.task.yml in core/
modules/ block/ block.links.task.yml  - core/modules/block/block.links.task.yml
 
File
- 
              core/
modules/ block/ src/ Plugin/ Derivative/ ThemeLocalTask.php, line 13  
Namespace
Drupal\block\Plugin\DerivativeView source
class ThemeLocalTask extends DeriverBase implements ContainerDeriverInterface {
  
  /**
   * The theme handler.
   *
   * @var \Drupal\Core\Extension\ThemeHandlerInterface
   */
  protected $themeHandler;
  
  /**
   * Constructs a new ThemeLocalTask.
   *
   * @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, $base_plugin_id) {
    return new static($container->get('theme_handler'));
  }
  
  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($base_plugin_definition) {
    $default_theme = $this->themeHandler
      ->getDefault();
    foreach ($this->themeHandler
      ->listInfo() as $theme_name => $theme) {
      if ($this->themeHandler
        ->hasUi($theme_name)) {
        $this->derivatives[$theme_name] = $base_plugin_definition;
        $this->derivatives[$theme_name]['title'] = $theme->info['name'];
        $this->derivatives[$theme_name]['route_parameters'] = [
          'theme' => $theme_name,
        ];
      }
      // Default task!
      if ($default_theme == $theme_name) {
        $this->derivatives[$theme_name]['route_name'] = $base_plugin_definition['parent_id'];
        // Emulate default logic because without the base plugin id we can't
        // change the base_route.
        $this->derivatives[$theme_name]['weight'] = -10;
        unset($this->derivatives[$theme_name]['route_parameters']);
      }
    }
    return $this->derivatives;
  }
}
Members
| Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides | 
|---|---|---|---|---|---|
| DeriverBase::$derivatives | protected | property | List of derivative definitions. | 1 | |
| DeriverBase::getDerivativeDefinition | public | function | Gets the definition of a derivative plugin. | Overrides DeriverInterface::getDerivativeDefinition | |
| ThemeLocalTask::$themeHandler | protected | property | The theme handler. | ||
| ThemeLocalTask::create | public static | function | Creates a new class instance. | Overrides ContainerDeriverInterface::create | |
| ThemeLocalTask::getDerivativeDefinitions | public | function | Gets the definition of all derivatives of a base plugin. | Overrides DeriverBase::getDerivativeDefinitions | |
| ThemeLocalTask::__construct | public | function | Constructs a new ThemeLocalTask. | 
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