Issue #3338259: Implement hook_help()

frontend_editing.module

@@ -13,7 +13,35 @@ use Drupal\Core\Entity\RevisionableInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Form\SubformState;
 use Drupal\Core\Url;
+use Drupal\Core\Routing\RouteMatchInterface;
 
+/**
+ * Implements hook_help().
+ */
+function frontend_editing_help($route_name, RouteMatchInterface $route_match) {
+  switch ($route_name) {
+    // Main module help for the frontend_editing module.
+    case 'help.page.frontend_editing':
+      $output = '';
+      $output .= '<h3>' . t('About') . '</h3>';
+      $output .= '<p>' . t('This module allows to edit entities directly in the
+      frontend using a side panel.') . '</p>';
+      $output .= '<p>' . t('It is built as a lightweight integration, that does
+      not rely on cores Settings Tray, Contextual Links, or Quick Edit
+      modules') . '</p>';
+      $output .= '<p>' . t('Instead this module adds the link to editing forms of
+      entities to the frontend, and provides a sidebar to load these forms as
+      iframes.') . '</p>';
+      $output .= '<p>' . t('The benefit of this approach is, that editing in the
+      frontend uses the same styles as editing in the backend. This allows a
+      consistent editorial experience.') . '</p>';
+      $output .= '<p>' . t('The module works nicely with paragraphs and blocks,
+      but other entities can be edited, too.') . '</p>';
+      return $output;
+
+    default:
+  }
+}
 /**
  * Implements hook_entity_view_alter().
  */