diff core/modules/views/src/Plugin/Menu/ViewsMenuLink.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/views/src/Plugin/Menu/ViewsMenuLink.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,170 @@
+<?php
+
+namespace Drupal\views\Plugin\Menu;
+
+use Drupal\Core\Menu\MenuLinkBase;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\views\ViewExecutableFactory;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines menu links provided by views.
+ *
+ * @see \Drupal\views\Plugin\Derivative\ViewsMenuLink
+ */
+class ViewsMenuLink extends MenuLinkBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $overrideAllowed = [
+    'menu_name' => 1,
+    'parent' => 1,
+    'weight' => 1,
+    'expanded' => 1,
+    'enabled' => 1,
+    'title' => 1,
+    'description' => 1,
+  ];
+
+  /**
+   * The entity manager.
+   *
+   * @var \Drupal\Core\Entity\EntityManagerInterface
+   */
+  protected $entityManager;
+
+  /**
+   * The view executable factory.
+   *
+   * @var \Drupal\views\ViewExecutableFactory
+   */
+  protected $viewExecutableFactory;
+
+  /**
+   * The view executable of the menu link.
+   *
+   * @var \Drupal\views\ViewExecutable
+   */
+  protected $view;
+
+  /**
+   * Constructs a new ViewsMenuLink.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin_id for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager
+   * @param \Drupal\views\ViewExecutableFactory $view_executable_factory
+   *   The view executable factory
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityManagerInterface $entity_manager, ViewExecutableFactory $view_executable_factory) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+
+    $this->entityManager = $entity_manager;
+    $this->viewExecutableFactory = $view_executable_factory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('entity.manager'),
+      $container->get('views.executable')
+    );
+  }
+
+  /**
+   * Initializes the proper view.
+   *
+   * @return \Drupal\views\ViewExecutable
+   *   The view executable.
+   */
+  public function loadView() {
+    if (empty($this->view)) {
+      $metadata = $this->getMetaData();
+      $view_id = $metadata['view_id'];
+      $display_id = $metadata['display_id'];
+      $view_entity = $this->entityManager->getStorage('view')->load($view_id);
+      $view = $this->viewExecutableFactory->get($view_entity);
+      $view->setDisplay($display_id);
+      $view->initDisplay();
+      $this->view = $view;
+    }
+    return $this->view;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTitle() {
+    // @todo Get the translated value from the config without instantiating the
+    //   view. https://www.drupal.org/node/2310379
+    return $this->loadView()->display_handler->getOption('menu')['title'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    return $this->loadView()->display_handler->getOption('menu')['description'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function isExpanded() {
+    return (bool) $this->loadView()->display_handler->getOption('menu')['expanded'];
+  }
+
+
+  /**
+   * {@inheritdoc}
+   */
+  public function updateLink(array $new_definition_values, $persist) {
+    $overrides = array_intersect_key($new_definition_values, $this->overrideAllowed);
+    // Update the definition.
+    $this->pluginDefinition = $overrides + $this->pluginDefinition;
+    if ($persist) {
+      $view = $this->loadView();
+      $display = &$view->storage->getDisplay($view->current_display);
+      // Just save the title to the original view.
+      $changed = FALSE;
+      foreach ($overrides as $key => $new_definition_value) {
+        if (empty($display['display_options']['menu'][$key]) || $display['display_options']['menu'][$key] != $new_definition_value) {
+          $display['display_options']['menu'][$key] = $new_definition_value;
+          $changed = TRUE;
+        }
+      }
+      if ($changed) {
+        // @todo Improve this to not trigger a full rebuild of everything, if we
+        //   just changed some properties. https://www.drupal.org/node/2310389
+        $view->storage->save();
+      }
+    }
+    return $this->pluginDefinition;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function isDeletable() {
+    return TRUE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function deleteLink() {
+  }
+
+}