comparison core/modules/help/src/Plugin/HelpSection/HookHelpSection.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+
+namespace Drupal\help\Plugin\HelpSection;
+
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Link;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides the module topics list section for the help page.
+ *
+ * @HelpSection(
+ *   id = "hook_help",
+ *   title = @Translation("Module overviews"),
+ *   description = @Translation("Module overviews are provided by modules. Overviews available for your installed modules:"),
+ * )
+ */
+class HookHelpSection extends HelpSectionPluginBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * The module handler.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * Constructs a HookHelpSection object.
+   *
+   * @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\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler service.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, ModuleHandlerInterface $module_handler) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->moduleHandler = $module_handler;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('module_handler')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function listTopics() {
+    $topics = [];
+    foreach ($this->moduleHandler->getImplementations('help') as $module) {
+      $title = $this->moduleHandler->getName($module);
+      $topics[$title] = Link::createFromRoute($title, 'help.page', ['name' => $module]);
+    }
+
+    // Sort topics by title, which is the array key above.
+    ksort($topics);
+    return $topics;
+  }
+
+}