Version 1

[yaffs-website] / web / core / modules / user / src / Plugin / Menu / LoginLogoutMenuLink.php

diff --git a/web/core/modules/user/src/Plugin/Menu/LoginLogoutMenuLink.php b/web/core/modules/user/src/Plugin/Menu/LoginLogoutMenuLink.php
new file mode 100644 (file)
index 0000000..55821e0
--- /dev/null
+++ b/web/core/modules/user/src/Plugin/Menu/LoginLogoutMenuLink.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Drupal\user\Plugin\Menu;
+
+use Drupal\Core\Menu\MenuLinkDefault;
+use Drupal\Core\Menu\StaticMenuLinkOverridesInterface;
+use Drupal\Core\Session\AccountInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * A menu link that shows "Log in" or "Log out" as appropriate.
+ */
+class LoginLogoutMenuLink extends MenuLinkDefault {
+
+  /**
+   * The current user.
+   *
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  protected $currentUser;
+
+  /**
+   * Constructs a new LoginLogoutMenuLink.
+   *
+   * @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\Menu\StaticMenuLinkOverridesInterface $static_override
+   *   The static override storage.
+   * @param \Drupal\Core\Session\AccountInterface $current_user
+   *   The current user.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, StaticMenuLinkOverridesInterface $static_override, AccountInterface $current_user) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $static_override);
+
+    $this->currentUser = $current_user;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('menu_link.static.overrides'),
+      $container->get('current_user')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTitle() {
+    if ($this->currentUser->isAuthenticated()) {
+      return $this->t('Log out');
+    }
+    else {
+      return $this->t('Log in');
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRouteName() {
+    if ($this->currentUser->isAuthenticated()) {
+      return 'user.logout';
+    }
+    else {
+      return 'user.login';
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheContexts() {
+    return ['user.roles:authenticated'];
+  }
+
+}