Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Menu;
Chris@0: 
Chris@0: use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a default implementation for menu link plugins.
Chris@0:  */
Chris@0: class MenuLinkDefault extends MenuLinkBase implements ContainerFactoryPluginInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected $overrideAllowed = [
Chris@0:     'menu_name' => 1,
Chris@0:     'parent' => 1,
Chris@0:     'weight' => 1,
Chris@0:     'expanded' => 1,
Chris@0:     'enabled' => 1,
Chris@0:   ];
Chris@0: 
Chris@0:   /**
Chris@0:    * The static menu link service used to store updates to weight/parent etc.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Menu\StaticMenuLinkOverridesInterface
Chris@0:    */
Chris@0:   protected $staticOverride;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new MenuLinkDefault.
Chris@0:    *
Chris@0:    * @param array $configuration
Chris@0:    *   A configuration array containing information about the plugin instance.
Chris@0:    * @param string $plugin_id
Chris@0:    *   The plugin_id for the plugin instance.
Chris@0:    * @param mixed $plugin_definition
Chris@0:    *   The plugin implementation definition.
Chris@0:    * @param \Drupal\Core\Menu\StaticMenuLinkOverridesInterface $static_override
Chris@0:    *   The static override storage.
Chris@0:    */
Chris@0:   public function __construct(array $configuration, $plugin_id, $plugin_definition, StaticMenuLinkOverridesInterface $static_override) {
Chris@0:     parent::__construct($configuration, $plugin_id, $plugin_definition);
Chris@0: 
Chris@0:     $this->staticOverride = $static_override;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
Chris@0:     return new static(
Chris@0:       $configuration,
Chris@0:       $plugin_id,
Chris@0:       $plugin_definition,
Chris@0:       $container->get('menu_link.static.overrides')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getTitle() {
Chris@0:     return (string) $this->pluginDefinition['title'];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getDescription() {
Chris@0:     return (string) $this->pluginDefinition['description'];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function isResettable() {
Chris@0:     // The link can be reset if it has an override.
Chris@0:     return (bool) $this->staticOverride->loadOverride($this->getPluginId());
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function updateLink(array $new_definition_values, $persist) {
Chris@0:     // Filter the list of updates to only those that are allowed.
Chris@0:     $overrides = array_intersect_key($new_definition_values, $this->overrideAllowed);
Chris@0:     // Update the definition.
Chris@0:     $this->pluginDefinition = $overrides + $this->getPluginDefinition();
Chris@0:     if ($persist) {
Chris@0:       // Always save the menu name as an override to avoid defaulting to tools.
Chris@0:       $overrides['menu_name'] = $this->pluginDefinition['menu_name'];
Chris@0:       $this->staticOverride->saveOverride($this->getPluginId(), $this->pluginDefinition);
Chris@0:     }
Chris@0:     return $this->pluginDefinition;
Chris@0:   }
Chris@0: 
Chris@0: }