.cspell-project-words.txt

+hmconfig
+hmsetup
+Jsoneditor
+jsoneditor
+Jstree
+jstree
+Mingsong
+pluginable
\ No newline at end of file

.gitlab-ci.yml

+################
+# GitLabCI template for Drupal projects.
+#
+# This template is designed to give any Contrib maintainer everything they need to test, without requiring modification.
+# It is also designed to keep up to date with Core Development automatically through the use of include files that can be centrally maintained.
+# As long as you include the project, ref and three files below, any future updates added by the Drupal Association will be used in your
+# pipelines automatically. However, you can modify this template if you have additional needs for your project.
+# The full documentation is on https://project.pages.drupalcode.org/gitlab_templates/
+################
+
+# For information on alternative values for 'ref' see https://project.pages.drupalcode.org/gitlab_templates/info/templates-version/
+# To test a Drupal 7 project, change the first include filename from .main.yml to .main-d7.yml
+include:
+  - project: $_GITLAB_TEMPLATES_REPO
+    ref: $_GITLAB_TEMPLATES_REF
+    file:
+      - "/includes/include.drupalci.main.yml"
+      - "/includes/include.drupalci.variables.yml"
+      - "/includes/include.drupalci.workflows.yml"
+
+################
+# Pipeline configuration variables are defined with default values and descriptions in the file
+# https://git.drupalcode.org/project/gitlab_templates/-/blob/main/includes/include.drupalci.variables.yml
+# Uncomment the lines below if you want to override any of the variables. The following is just an example.
+################
+variables:
+  SKIP_ESLINT: '1'
+  SKIP_PHPSTAN: '1'
+#   OPT_IN_TEST_NEXT_MAJOR: '1'
+#   _CURL_TEMPLATES_REF: 'main'

README.md

@@ -10,18 +10,33 @@ CONTENTS OF THIS FILE
  INTRODUCTION
 ------------
 
-Drupal provides a draggable table to manage the hierarchy of menu links and taxonomy terms. The Drupal draggable table is not able to present a massive hierarchy in one page.
+Drupal provides a draggable table to manage the hierarchy of menu links 
+and taxonomy terms. 
+The Drupal draggable table is not able to present a massive hierarchy 
+in one page.
 
-This module provides a plugin architecture to delivery a flexibility of managing hierarchy for taxonomy terms, menu links and others. There are two out of box plugins, taxonomy hierarchy management plugin and menu hierarchy plugin. The front-end JavaScript libraries is also pluginable. The out of box display plugin using jsTree to render the hierarchy tree with filter. The hierarchy tree is draggable which means you can update the hierarchy by dragging a node in the tree.
+This module provides a plugin architecture to delivery a flexibility 
+of managing hierarchy for taxonomy terms, 
+menu links and others. There are two out of box plugins, 
+taxonomy hierarchy management plugin and menu hierarchy plugin. 
+The front-end JavaScript libraries is also pluginable. 
+The out of box display plugin using jsTree to render 
+the hierarchy tree with filter. 
+The hierarchy tree is draggable which means you can update
+ the hierarchy by dragging a node in the tree.
 
-Other modules can define their own management plugin to manage hierarchy for any other entities or display plugin to render the hierarchy tree by a JavaScript library other than jsTree.
+Other modules can define their own management plugin to manage 
+hierarchy for any other entities or display plugin to render 
+the hierarchy tree by a JavaScript library other than jsTree.
 
 REQUIREMENTS
 ------------
 
 This module requires the following library:
 
-* jsTree JS (This module will automatically load this library from romte CDN if it wasn't hosted locally under /libraries/jquery.jstree/3.3.8/ folder)
+* jsTree JS (This module will automatically load this library
+from remote CDN if it wasn't hosted locally under 
+/libraries/jquery.jstree/3.3.8/ folder)
 
 INSTALLATION
 ------------
@@ -31,13 +46,23 @@ INSTALLATION
 CONFIGURATION
 -------------
 
-* Go the hierarchy manage display management page (/admin/structure/hm_display_profile) under the Structure menu to create a display profile
+* Go the hierarchy manage display management page 
+(/admin/structure/hm_display_profile) under 
+the Structure menu to create a display profile
 
-* Go to the hierarchy management configuration page (/admin/config/user-interface/hierarchy_manager/config) to enable hierarchy management plugins, such as taxonomy plugin, and specify a display profile created in step above.
+* Go to the hierarchy management configuration page
+ (/admin/config/user-interface/hierarchy_manager/config) to 
+ enable hierarchy management plugins, such as taxonomy plugin, 
+ and specify a display profile created in step above.
 
-* Once a hierarchy mange plugin is enabled, the related edit form should be replaced with a hierarchy tree form. For instance, the taxonomy term edit form (/admin/structure/taxonomy/manage/{tid}/overview) will be replaced with a hierarchy tree implemented by the taxonomy hierarchy manage plugin.
+* Once a hierarchy mange plugin is enabled, the related edit form 
+should be replaced with a hierarchy tree form. 
+For instance, the taxonomy term edit form 
+(/admin/structure/taxonomy/manage/{tid}/overview) 
+will be replaced with a hierarchy tree implemented by 
+the taxonomy hierarchy manage plugin.
 
 MAINTAINERS
 -----------
 
-Mingsong Hu (Mingsong) - https://www.drupal.org/u/mingsong
+Mingsong Hu (Mingsong) - https://www.drupal.org/u/mingsong
\ No newline at end of file

config/install/hierarchy_manager.hmconfig.yml

-hierarchy_manager:

config/schema/hierarchy_manager.schema.yml

+hierarchy_manager.hmconfig:
+  type: config_object
+  label: 'Hierarchy Manager Configuration'
+  mapping:
+    allowed_setup_plugins:
+      type: sequence
+      label: 'Allowed Setup Plugins'
+      sequence:
+        type: string
+        label: 'Setup Plugin ID'
+    setup_plugin_settings:
+      label: 'TFA validation plugin configuration'
+      type: sequence
+      sequence:
+        type: hierarchy_manager.HmSetupPlugin.plugin.config.[%key]
+
+
+hierarchy_manager.HmSetupPlugin.plugin.config.hm_setup_taxonomy:
+  type: mapping
+  label: 'HM Setup Taxonomy Settings'
+  mapping:
+    display_profile:
+      type: string
+      label: 'Display Profile'
+    bundle:
+      type: sequence
+      label: 'Bundle'
+      sequence:
+        type: string
+        label: 'Bundle Name'
+
+hierarchy_manager.HmSetupPlugin.plugin.config.hm_setup_menu:
+  type: mapping
+  label: 'HM Setup Menu Settings'
+  mapping:
+    display_profile:
+      type: string
+      label: 'Display Profile'
+    bundle:
+      type: sequence
+      label: 'Bundle'
+      sequence:
+        type: string
+        label: 'Bundle Item'
+
+hierarchy_manager.hm_display_profile.*:
+  type: config_entity
+  label: 'Hierarchy Manager Display Profile'
+  mapping:
+    id:
+      type: string
+      label: 'ID'
+    label:
+      type: string
+      label: 'Label'
+    plugin:
+      type: string
+      label: 'Plugin'
+    config:
+      type: string
+      label: 'Config'
+    confirm:
+      type: boolean
+      label: 'Confirm'

config/schema/hm_display_profile.schema.yml

-hierarchy_manager.hm_display_profile.*:
-  type: config_entity
-  label: 'HM Display Profile Entity config'
-  mapping:
-    id:
-      type: string
-      label: 'ID'
-    label:
-      type: label
-      label: 'Label'
-    uuid:
-      type: string
-    plugin:
-      type: string
-      label: 'Display plugin'
-    config:
-      type: text
-      label: 'Configuration'
-    confirm:
-      type: boolean
-      label: 'Confirm'

css/Plugin/jstree/hm.jstree.css

-
 /* HM Tree item status (unpublished/disabled) */
 .jstree-default .jstree-node.hm-tree-node-disabled > a {
-  color: grey;
+  color: gray;
   background-color: #fff4f4;
 }
 

hierarchy_manager.info.yml

 name: Hierarchy Manager
-description: Provides API and plugins to build hierarchy views for entites such as taxonomy or menu.
+description: Provides API and plugins to build hierarchy views for entities such as taxonomy or menu.
 package: Administration
 
 type: module
-core_version_requirement: ^9.2.0 || ^10
+core_version_requirement: ^9.2.0 || ^10 || ^11
 
 configure: hierarchy_manager.hm_config_form

hierarchy_manager.install

@@ -16,7 +16,7 @@ function hierarchy_manager_update_8001() {
       if (!empty($allowed_setup_plugins['hm_setup_menu'])) {
         $menus = Menu::loadMultiple();
         $bundles = [];
-        /** @var Menu $menu */
+        /** @var \Drupal\system\Entity\Menu $menu */
         foreach ($menus as $menu) {
           $id = $menu->id();
           $bundles[$id] = $id;

hierarchy_manager.module

@@ -17,7 +17,7 @@ function hierarchy_manager_help($route_name, RouteMatchInterface $route_match) {
       $output = '<h3>' . t('About') . '</h3>';
       $output .= '<p>' . t('Hierarchy Manager module provides a flexible solution for managing hierarchies of menu links and taxonomy terms. Unlike the default Drupal draggable table, this module supports massive hierarchies and offers a plugin architecture for customization.') . '</p>';
       $output .= '<p>' . t('Out of the box, the module comes with two plugins: a taxonomy hierarchy management plugin and a menu hierarchy plugin. The front-end JavaScript libraries are also pluginable, with an out-of-the-box display plugin using jsTree to render the hierarchy tree with a filter. The hierarchy tree is draggable, allowing you to easily update the hierarchy by dragging a node in the tree.') . '</p>';
-    return $output;
+      return $output;
   }
 }
 
@@ -42,12 +42,12 @@ function hierarchy_manager_library_info_alter(array &$libraries, $module) {
     if ($cdn_library) {
       $libraries['libraries.jquery.jstree.default-dark']['css']['component'] = $cdn_library;
     }
-    // jsoneditor min js.
+    // Jsoneditor min js.
     $cdn_library = _hierarchy_manager_use_cdn($libraries, 'libraries.jsoneditor', 'js');
     if ($cdn_library) {
       $libraries['libraries.jsoneditor']['js'] = $cdn_library;
     }
-    // jsoneditor default theme.
+    // Jsoneditor default theme.
     $cdn_library = _hierarchy_manager_use_cdn($libraries, 'libraries.jsoneditor.default-theme', 'css');
     if ($cdn_library) {
       $libraries['libraries.jsoneditor.default-theme']['css']['component'] = $cdn_library;
@@ -56,15 +56,12 @@ function hierarchy_manager_library_info_alter(array &$libraries, $module) {
 }
 
 /**
- * Implement hook_entity_type_alter().
- * 
- * @param array $entity_types
- *   Entity type information array.
+ * Implements hook_entity_type_alter().
  */
 function hierarchy_manager_entity_type_alter(array &$entity_types) {
   // Override the menu edit form.
   $entity_types['menu']
-  ->setFormClass('edit', 'Drupal\hierarchy_manager\Form\HmMenuForm');
+    ->setFormClass('edit', 'Drupal\hierarchy_manager\Form\HmMenuForm');
 }
 
 /**

src/Controller/HmMenuController.php

@@ -2,19 +2,22 @@
 
 namespace Drupal\hierarchy_manager\Controller;
 
-use Drupal\Core\Url;
 use Drupal\Core\Access\CsrfTokenGenerator;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Entity\EntityRepository;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
-use Drupal\Core\Menu\MenuLinkTreeInterface;
 use Drupal\Core\Menu\MenuLinkManagerInterface;
+use Drupal\Core\Menu\MenuLinkTreeInterface;
 use Drupal\Core\Menu\MenuTreeParameters;
+use Drupal\Core\Url;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpFoundation\JsonResponse;
 
+/**
+ * Menu item feeding controller.
+ */
 class HmMenuController extends ControllerBase {
 
   /**
@@ -60,7 +63,7 @@ class HmMenuController extends ControllerBase {
   protected $menuLinkManager;
 
   /**
-   * The entity repository object
+   * The entity repository object.
    *
    * @var \Drupal\Core\Entity\EntityRepository
    */
@@ -129,7 +132,7 @@ class HmMenuController extends ControllerBase {
 
     $tree = $this->loadMenuTree($mid, $parent, $depth, $destination);
 
-    // menu access check done.
+    // Menu access check done.
     $request->attributes->set('_menu_admin', FALSE);
 
     if ($tree) {
@@ -160,8 +163,8 @@ class HmMenuController extends ControllerBase {
    *
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   Http request object.
-   * @param string $vid
-   *   Vocabulary ID.
+   * @param string $mid
+   *   Menu ID.
    */
   public function updateMenuLinks(Request $request, string $mid) {
     // Access token.
@@ -188,8 +191,8 @@ class HmMenuController extends ControllerBase {
       }
 
       if (empty($parent_links)) {
-          // The parent menu doesn't exist.
-          return new JsonResponse(['result' => 'fail']);
+        // The parent menu doesn't exist.
+        return new JsonResponse(['result' => 'fail']);
       }
 
       if (empty($children)) {
@@ -231,7 +234,8 @@ class HmMenuController extends ControllerBase {
   /**
    * Get a display plugin instance.
    *
-   * @return NULL|object
+   * @return null|object
+   *   The display plugin instance.
    */
   protected function getDisplayPlugin() {
     $display_profile = $this->hmPluginTypeManager->getDisplayProfile('hm_setup_menu');
@@ -244,13 +248,13 @@ class HmMenuController extends ControllerBase {
    * @param string $mid
    *   The menu ID.
    * @param string $parent
-   *   parent id
+   *   Parent id.
    * @param int $depth
    *   The max depth loaded.
    * @param string $destination
    *   The destination of edit link.
    */
-  protected  function loadMenuTree(string $mid, string $parent, int $depth = 0, string $destination = '') {
+  protected function loadMenuTree(string $mid, string $parent, int $depth = 0, string $destination = '') {
     $tree = $this->loadMenuLinkObjs($mid, $parent, $depth);
     // Load all menu links into one array.
     $tree = $this->buildMenuLinkArray($tree);
@@ -278,13 +282,11 @@ class HmMenuController extends ControllerBase {
    * @param string $mid
    *   The menu ID.
    * @param string $parent
-   *   parent id
+   *   Parent id.
    * @param int $depth
    *   The max depth loaded.
-   * @param string $destination
-   *   The destination of edit link.
    */
-  protected  function loadMenuLinkObjs(string $mid, string $parent, int $depth = 0) {
+  protected function loadMenuLinkObjs(string $mid, string $parent, int $depth = 0) {
     $menu_para = new MenuTreeParameters();
     if (!empty($depth)) {
       $menu_para->setMaxDepth($depth);
@@ -311,10 +313,9 @@ class HmMenuController extends ControllerBase {
    *   The menu links array.
    */
   protected function buildMenuLinkArray($tree) {
-//    $tree_access_cacheability = new CacheableMetadata();
+    // $tree_access_cacheability = new CacheableMetadata();
     foreach ($tree as $element) {
-//      $tree_access_cacheability = $tree_access_cacheability->merge(CacheableMetadata::createFromObject($element->access));
-
+      // $tree_access_cacheability = $tree_access_cacheability->merge(CacheableMetadata::createFromObject($element->access));
       // Only load accessible links.
       if (!$element->access->isAllowed()) {
         continue;
@@ -363,5 +364,5 @@ class HmMenuController extends ControllerBase {
 
     return $this->overviewTree;
   }
-}
 
+}

src/Controller/HmTaxonomyController.php

@@ -10,12 +10,12 @@ use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\taxonomy\Entity\Term;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpFoundation\JsonResponse;
 
 /**
- * Taxononmy controller class.
+ * Taxonomy feeding controller class.
  */
 class HmTaxonomyController extends ControllerBase {
 
@@ -32,7 +32,7 @@ class HmTaxonomyController extends ControllerBase {
    * @var \Drupal\taxonomy\TermStorageInterface
    */
   protected $storageController;
-  
+
   /**
    * The hierarchy manager plugin type manager.
    *
@@ -71,14 +71,13 @@ class HmTaxonomyController extends ControllerBase {
         );
   }
 
-
   /**
    * Access check callback for taxonomy tree json.
    *
    * @param \Drupal\Core\Session\AccountInterface $account
-   *  User account.
+   *   User account.
    * @param string $vid
-   *  Vocabulary ID.
+   *   Vocabulary ID.
    */
   public function access(AccountInterface $account, string $vid) {
     if ($account->hasPermission('administer taxonomy')) {
@@ -102,7 +101,7 @@ class HmTaxonomyController extends ControllerBase {
     $term_array = [];
     // Store the number of each term id present.
     $ids = [];
-    // Store terms that have ambiguous paretns.
+    // Store terms that have ambiguous parents.
     $am_terms = [];
     // Store all terms only have single ancestor.
     $single_parent = [];
@@ -113,8 +112,8 @@ class HmTaxonomyController extends ControllerBase {
     $parent = $request->get('parent') ?: 0;
     $depth = $request->get('depth');
     $destination = $request->get('destination');
-    
-    if(!empty($depth)) {
+
+    if (!empty($depth)) {
       $depth = intval($depth);
     }
 
@@ -139,10 +138,10 @@ class HmTaxonomyController extends ControllerBase {
             if ($ids[$id] === 0 && isset($single_parent[$id])) {
               // Update previous term in the term array
               // which has the same ID. Make it not draggable.
-              $term_array[$single_parent[$id]]['draggable'] = false;
+              $term_array[$single_parent[$id]]['draggable'] = FALSE;
             }
             $ids[$id]++;
-            $term_id =  $id . '_' . $ids[$id];
+            $term_id = $id . '_' . $ids[$id];
           }
           else {
             $ids[$id] = 0;
@@ -152,22 +151,22 @@ class HmTaxonomyController extends ControllerBase {
           // It will present multiple times under different parents.
           // So the term id will be duplicated.
           // The solution is to format the term id as following,
-          // {term_id}_{parent_index}
-          if ( $count_parent > 1) {
-            $draggable = false;
+          // {term_id}_{parent_index}.
+          if ($count_parent > 1) {
+            $draggable = FALSE;
             // This term has an ancestor with multiple parents.
             if ($ids[$id] === $count_parent) {
               // Put into the ambiguous array.
               // Will solve it later.
               $am_terms[] = [
-                'solved' => false,
+                'solved' => FALSE,
                 'id' => $term_id,
                 'label' => $term->label(),
                 'parent' => $term_parent,
                 'url' => $url,
                 'publish' => $term->isPublished(),
                 'weight' => $term->getWeight(),
-                'draggable' => false,
+                'draggable' => FALSE,
               ];
               continue;
             }
@@ -177,12 +176,12 @@ class HmTaxonomyController extends ControllerBase {
             if ($ids[$id]) {
               // The parent has multiple grandparent.
               $parent_id = $term_parent[0] . '_' . $ids[$id];
-              $draggable = false;
+              $draggable = FALSE;
             }
             else {
               // The parent doesn't have multiple grandparent.
               $parent_id = $term_parent[0];
-              $draggable = true;
+              $draggable = TRUE;
               // At this point, we still don't know
               // if this term has multiple ancestors or not.
               // So keep the index of term array for later update
@@ -205,7 +204,7 @@ class HmTaxonomyController extends ControllerBase {
     }
     // Figure out the parent id for terms in the ambiguous term array.
     do {
-      $found = false;
+      $found = FALSE;
       foreach ($am_terms as $key => $term) {
         if ($term['solved']) {
           continue;
@@ -223,15 +222,15 @@ class HmTaxonomyController extends ControllerBase {
                 $term['weight'],
                 $term['draggable']
             );
-            $found = true;
+            $found = TRUE;
             // Remove this parent from ids array.
             $ids[$id]--;
-            $am_terms[$key]['solved'] = true;
+            $am_terms[$key]['solved'] = TRUE;
             continue 2;
           }
         }
       }
-    }while ($found);
+    } while ($found);
 
     // Display profile.
     $display_profile = $this->hmPluginTypeManager->getDisplayProfile('hm_setup_taxonomy');
@@ -294,7 +293,7 @@ class HmTaxonomyController extends ControllerBase {
       if (!empty($children)) {
         // The parent term has children.
         $target_position = intval($target_position);
-        
+
         foreach ($children as $child) {
           $all_siblings[$child->tid] = (int) $child->weight;
         }

src/Entity/HmDisplayProfile.php

@@ -67,10 +67,10 @@ class HmDisplayProfile extends ConfigEntityBase implements HmDisplayProfileInter
    * @var string
    */
   protected $plugin;
-  
+
   /**
-   * The configurations
-   * 
+   * The configurations.
+   *
    * @var string
    */
   protected $config;
@@ -81,4 +81,5 @@ class HmDisplayProfile extends ConfigEntityBase implements HmDisplayProfileInter
    * @var bool
    */
   protected $confirm = FALSE;
+
 }

src/Form/HMConfigForm.php

@@ -2,14 +2,12 @@
 
 namespace Drupal\hierarchy_manager\Form;
 
-use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\hierarchy_manager\Plugin\HmSetupPluginManager;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
- * Class HMConfigForm.
+ * Hierarchy Manager configuration form.
  */
 class HMConfigForm extends ConfigFormBase {
 
@@ -20,25 +18,13 @@ class HMConfigForm extends ConfigFormBase {
    */
   protected $pluginManagerHmSetup;
 
-  /**
-   * Constructs a new HMConfigForm object.
-   */
-  public function __construct(
-    ConfigFactoryInterface $config_factory,
-    HmSetupPluginManager $plugin_manager_hm_hmsetup
-  ) {
-    parent::__construct($config_factory);
-    $this->pluginManagerHmSetup = $plugin_manager_hm_hmsetup;
-  }
-
   /**
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container) {
-    return new static(
-      $container->get('config.factory'),
-      $container->get('plugin.manager.hm.hmsetup')
-    );
+    $instance = parent::create($container);
+    $instance->pluginManagerHmSetup = $container->get('plugin.manager.hm.hmsetup');
+    return $instance;
   }
 
   /**
@@ -90,7 +76,7 @@ class HMConfigForm extends ConfigFormBase {
     $form['setup_plugin_settings'] = [
       '#type' => 'fieldset',
       '#title' => $this->t('Setup Plugin Settings'),
-      '#descrption' => $this->t('Setup plugin advanced settings.'),
+      '#description' => $this->t('Setup plugin advanced settings.'),
       '#tree' => TRUE,
     ];
     foreach ($setup_plugins_labels as $key => $val) {

src/Form/HmDisplayProfileForm.php

@@ -5,11 +5,11 @@ namespace Drupal\hierarchy_manager\Form;
 use Drupal\Component\Utility\Xss;
 use Drupal\Core\Entity\EntityForm;
 use Drupal\Core\Form\FormStateInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Drupal\hierarchy_manager\Plugin\HmDisplayPluginManager;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
- * Class HmDisplayProfileForm.
+ * HmDisplayProfile entity form class.
  */
 class HmDisplayProfileForm extends EntityForm {
 
@@ -24,8 +24,8 @@ class HmDisplayProfileForm extends EntityForm {
    * Constructs a new HmDisplayProfileForm object.
    */
   public function __construct(
-      HmDisplayPluginManager $plugin_manager_hm_display
-      ) {
+    HmDisplayPluginManager $plugin_manager_hm_display,
+  ) {
     $this->pluginManagerHmDisplay = $plugin_manager_hm_display;
   }
 
@@ -83,14 +83,14 @@ class HmDisplayProfileForm extends EntityForm {
         '#description' => $this->t('Display plugin that is in charge of rendering the hierarchy view.'),
         '#required' => TRUE,
       ];
-      
-      $form['config'] = array(
+
+      $form['config'] = [
         '#type' => 'hidden',
         '#value' => $hm_display_profile->get('config'),
         '#attributes' => [
           'id' => 'config-value',
         ],
-      );
+      ];
       $form['json_editor'] = [
         '#type' => 'html_tag',
         '#tag' => 'div',
@@ -103,7 +103,7 @@ class HmDisplayProfileForm extends EntityForm {
             'hierarchy_manager/libraries.jsoneditor',
             'hierarchy_manager/feature.hm.jsoneditor',
             'hierarchy_manager/libraries.jsoneditor.default-theme',
-          ]
+          ],
         ],
       ];
     }
@@ -131,7 +131,7 @@ class HmDisplayProfileForm extends EntityForm {
     $hm_display_profile = $this->entity;
     // User input.
     $input = $form_state->getUserInput();
-    
+
     if (isset($input['config'])) {
       // Sanitize the user input.
       $input['config'] = Xss::filter($input['config']);
@@ -142,7 +142,7 @@ class HmDisplayProfileForm extends EntityForm {
     if (isset($input['confirm'])) {
       $hm_display_profile->set('confirm', $input['confirm']);
     }
-    
+
     $status = $hm_display_profile->save();
 
     switch ($status) {

src/Form/HmMenuForm.php

@@ -2,17 +2,20 @@
 
 namespace Drupal\hierarchy_manager\Form;
 
-use Drupal\Core\Url;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
 use Drupal\menu_ui\MenuForm;
 use Drupal\system\MenuInterface;
 
+/**
+ * Hierarchy manager menu plugin configuration form.
+ */
 class HmMenuForm extends MenuForm {
 
   /**
    * The indicator if the menu hierarchy manager is enabled.
    *
-   * @var bool|NULL
+   * @var bool|null
    */
   private $isEnabled = NULL;
 
@@ -37,7 +40,7 @@ class HmMenuForm extends MenuForm {
       if (!$menu->isNew() || $menu->isLocked()) {
         // We are removing the menu link overview form
         // and using our own hierarchy manager tree instead.
-        // The overview form implemented by Drupal Menu UI module
+        // The overview form implemented by Drupal Menu UI module.
         // @see \Drupal\menu_ui\MenuForm::form()
         unset($form['links']);
         $form['hm_links'] = $this->buildOverviewTree([], $form_state);
@@ -66,9 +69,11 @@ class HmMenuForm extends MenuForm {
    *
    * @param array $form
    *   Parent form array.
-   * @param FormStateInterface $form_state
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
    *   Form state object.
-   * @return NULL|array
+   *
+   * @return null|array
+   *   The tree elements.
    */
   protected function buildOverviewTree(array $form, FormStateInterface $form_state) {
 
@@ -94,9 +99,20 @@ class HmMenuForm extends MenuForm {
         else {
           $destination = '/';
         }
-        // Urls
-        $source_url = Url::fromRoute('hierarchy_manager.menu.tree.json', ['mid' => $mid], ['query' => ['token' => $token, 'destination' => $destination]])->toString();
-        $update_url = Url::fromRoute('hierarchy_manager.menu.tree.update', ['mid' => $mid], ['query' => ['token' => $token]])->toString();
+        // Urls.
+        $source_url = Url::fromRoute('hierarchy_manager.menu.tree.json',
+            ['mid' => $mid],
+            [
+              'query' =>
+              [
+                'token' => $token,
+                'destination' => $destination,
+              ],
+            ])->toString();
+        $update_url = Url::fromRoute('hierarchy_manager.menu.tree.update',
+            ['mid' => $mid],
+            ['query' => ['token' => $token]]
+        )->toString();
         $config = $display_profile->get("config");
         $confirm = $display_profile->get("confirm");
         return $display_plugin_instance->getForm($source_url, $update_url, $form, $form_state, $config, $confirm);
@@ -110,6 +126,7 @@ class HmMenuForm extends MenuForm {
    * Create a hierarchy manager plugin manager.
    *
    * @return \Drupal\hierarchy_manager\PluginTypeManager
+   *   The plugin manager instance.
    */
   protected function loadPluginManager() {
     if (empty($this->hmPluginTypeManager)) {
@@ -125,7 +142,7 @@ class HmMenuForm extends MenuForm {
    * @param \Drupal\system\MenuInterface $menu
    *   The menu entity.
    *
-   * @return boolean|NULL
+   * @return bool|null
    *   Return TRUE if the menu plugin is enabled,
    *   otherwise return FALSE.
    */
@@ -151,4 +168,5 @@ class HmMenuForm extends MenuForm {
 
     return $this->isEnabled;
   }
+
 }

src/Form/HmOverviewTerms.php

@@ -2,10 +2,10 @@
 
 namespace Drupal\hierarchy_manager\Form;
 
-use Drupal\Core\Url;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\taxonomy\VocabularyInterface;
+use Drupal\Core\Url;
 use Drupal\taxonomy\Form\OverviewTerms;
+use Drupal\taxonomy\VocabularyInterface;
 
 /**
  * Taxonomy overview form class.
@@ -61,8 +61,19 @@ class HmOverviewTerms extends OverviewTerms {
                   $destination = '/';
                 }
                 // Urls.
-                $source_url = Url::fromRoute('hierarchy_manager.taxonomy.tree.json', ['vid' => $vid], ['query' => ['token' => $token, 'destination' => $destination]])->toString();
-                $update_url = Url::fromRoute('hierarchy_manager.taxonomy.tree.update', ['vid' => $vid], ['query' => ['token' => $token]])->toString();
+                $source_url = Url::fromRoute('hierarchy_manager.taxonomy.tree.json',
+                    ['vid' => $vid],
+                    [
+                      'query' => [
+                        'token' => $token,
+                        'destination' => $destination,
+                      ],
+                    ]
+                )->toString();
+                $update_url = Url::fromRoute('hierarchy_manager.taxonomy.tree.update',
+                    ['vid' => $vid],
+                    ['query' => ['token' => $token]]
+                )->toString();
                 $config = $display_profile->get("config");
                 $confirm = $display_profile->get('confirm');
                 return $instance->getForm($source_url, $update_url, $form, $form_state, $config, $confirm);

src/Plugin/HmDisplayPlugin/HmDisplayJstree.php

@@ -6,8 +6,8 @@ use Drupal\Component\Serialization\Json;
 use Drupal\Component\Utility\Xss;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
-use Drupal\hierarchy_manager\Plugin\HmDisplayPluginInterface;
 use Drupal\hierarchy_manager\Plugin\HmDisplayPluginBase;
+use Drupal\hierarchy_manager\Plugin\HmDisplayPluginInterface;
 
 /**
  * JsTree display plugin.
@@ -20,7 +20,7 @@ use Drupal\hierarchy_manager\Plugin\HmDisplayPluginBase;
 class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInterface {
   use StringTranslationTrait;
 
-  /*
+  /**
    * Build the tree form.
    */
   public function getForm(string $url_source, string $url_update, array &$form = [], FormStateInterface &$form_state = NULL, $options = NULL, $confirm = FALSE) {
@@ -44,12 +44,12 @@ class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInte
       $form['search'] = [
         '#type' => 'textfield',
         '#title' => $this
-        ->t('Search'),
+          ->t('Search'),
         '#description' => $this->t('Type in the search keyword here to filter the tree below. Multiple keywords separated by spaces. Empty the keyword to reset the tree.'),
         '#attributes' => [
           'name' => 'jstree-search',
           'id' => isset($parent_id) ? 'hm-jstree-search-' . $parent_id : 'hm-jstree-search',
-          'parent-id' => isset($parent_id) ? $parent_id : '',
+          'parent-id' => $parent_id ?? '',
           'class' => [
             'hm-jstree-search',
           ],
@@ -68,7 +68,7 @@ class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInte
             'hm-jstree',
           ],
           'id' => isset($parent_id) ? 'hm-jstree-' . $parent_id : 'hm-jstree',
-          'parent-id' => isset($parent_id) ? $parent_id : '',
+          'parent-id' => $parent_id ?? '',
           'options' => $options,
           'confirm' => $confirm,
           'data-source' => $url_source,
@@ -113,7 +113,7 @@ class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInte
         'width' => '960',
         'title' => $this->t('Edit') . ' ' . preg_replace('~<span(.*?)</span>~Usi', '', $tree_node['text']),
       ];
-      // Custom data
+      // Custom data.
       $jstree_node['a_attr'] = [
         'href' => $jstree_node['edit_url'],
         'class' => 'use-ajax',
@@ -122,7 +122,7 @@ class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInte
       ];
       $jstree_node['data'] = [
         'weight' => $tree_node['weight'],
-        'draggable' => $tree_node['draggable']
+        'draggable' => $tree_node['draggable'],
       ];
       unset($jstree_node['edit_url']);
       // Add this node into the data array.
@@ -131,4 +131,5 @@ class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInte
 
     return $jstree_data;
   }
+
 }

src/Plugin/HmDisplayPluginInterface.php

@@ -10,13 +10,14 @@ use Drupal\Core\Form\FormStateInterface;
  */
 interface HmDisplayPluginInterface extends PluginInspectionInterface {
 
-  /*
+  /**
    * Build the tree form.
    */
   public function getForm(string $url_source, string $url_update, array &$form = [], FormStateInterface &$form_state = NULL, $options = NULL);
-  
+
   /**
    * Build the data array that JS library accepts.
    */
   public function treeData(array $data);
+
 }

src/Plugin/HmDisplayPluginManager.php

@@ -2,9 +2,9 @@
 
 namespace Drupal\hierarchy_manager\Plugin;
 
-use Drupal\Core\Plugin\DefaultPluginManager;
 use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Plugin\DefaultPluginManager;
 
 /**
  * Provides the Hierarchy manager display plugin plugin manager.