aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/src/Plugin/Derivative/ThemeLocalTask.php

   1 <?php
   2
   3 namespace Drupal\system\Plugin\Derivative;
   4
   5 use Drupal\Component\Plugin\Derivative\DeriverBase;
   6 use Drupal\Core\Extension\ThemeHandlerInterface;
   7 use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
   8 use Symfony\Component\DependencyInjection\ContainerInterface;
   9
  10 /**
  11  * Provides dynamic tabs based on active themes.
  12  */
  13 class ThemeLocalTask extends DeriverBase implements ContainerDeriverInterface {
  14
  15   /**
  16    * The theme handler.
  17    *
  18    * @var \Drupal\Core\Extension\ThemeHandlerInterface
  19    */
  20   protected $themeHandler;
  21
  22   /**
  23    * Constructs a new ThemeLocalTask instance.
  24    *
  25    * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
  26    *   The theme handler.
  27    */
  28   public function __construct(ThemeHandlerInterface $theme_handler) {
  29     $this->themeHandler = $theme_handler;
  30   }
  31
  32   /**
  33    * {@inheritdoc}
  34    */
  35   public static function create(ContainerInterface $container, $base_plugin_id) {
  36     return new static(
  37       $container->get('theme_handler')
  38     );
  39   }
  40
  41   /**
  42    * {@inheritdoc}
  43    */
  44   public function getDerivativeDefinitions($base_plugin_definition) {
  45     foreach ($this->themeHandler->listInfo() as $theme_name => $theme) {
  46       if ($this->themeHandler->hasUi($theme_name)) {
  47         $this->derivatives[$theme_name] = $base_plugin_definition;
  48         $this->derivatives[$theme_name]['title'] = $theme->info['name'];
  49         $this->derivatives[$theme_name]['route_parameters'] = ['theme' => $theme_name];
  50       }
  51     }
  52     return $this->derivatives;
  53   }
  54
  55 }