Added preloading plugin configuration.

Author: andriyun

os2web_datalookup.services.yml

@@ -1,4 +1,4 @@
 services:
   plugin.manager.os2web_datalookup:
     class: Drupal\os2web_datalookup\Plugin\DataLookupManager
-    parent: default_plugin_manager
+    arguments: ['@container.namespaces', '@cache.discovery', '@module_handler', '@config.factory']

src/Controller/DatalookupController.php

@@ -5,7 +5,6 @@
 use Drupal\Component\Plugin\PluginManagerInterface;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Link;
-use Drupal\os2web_datalookup\Form\DataLookupPluginSettingsForm;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -53,9 +52,7 @@ public function statusList() {
 
     $rows = [];
     foreach ($this->manager->getDefinitions() as $id => $plugin_definition) {
-      $configuration = $this->config(DataLookupPluginSettingsForm::getConfigName() . '.' . $id)->get();
-      /** @var \Drupal\os2web_datalookup\Plugin\os2web\DataLookup\DataLookupInterface $plugin */
-      $plugin = $this->manager->createInstance($id, $configuration);
+      $plugin = $this->manager->createInstance($id);
       $status = $plugin->getStatus();
       $rows[$id] = [
         'title' => $plugin_definition['label'],

src/Plugin/DataLookupManager.php

@@ -2,9 +2,11 @@
 
 namespace Drupal\os2web_datalookup\Plugin;
 
+use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Plugin\DefaultPluginManager;
 use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\os2web_datalookup\Form\DataLookupPluginSettingsForm;
 
 /**
  * DataLookupManager plugin manager.
@@ -15,6 +17,13 @@
  */
 class DataLookupManager extends DefaultPluginManager {
 
+  /**
+   * The config factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
   /**
    * Constructs an DataLookupManager object.
    *
@@ -25,8 +34,10 @@ class DataLookupManager extends DefaultPluginManager {
    *   Cache backend instance to use.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler to invoke the alter hook with.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The config factory.
    */
-  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
+  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, ConfigFactoryInterface $config_factory) {
     parent::__construct(
       'Plugin/os2web/DataLookup',
       $namespaces,
@@ -36,6 +47,17 @@ public function __construct(\Traversable $namespaces, CacheBackendInterface $cac
 
     $this->alterInfo('os2web_datalookup_info');
     $this->setCacheBackend($cache_backend, 'os2web_datalookup');
+    $this->configFactory = $config_factory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function createInstance($plugin_id, array $configuration = []) {
+    if (empty($configuration)) {
+      $configuration = $this->configFactory->get(DataLookupPluginSettingsForm::getConfigName() . '.' . $plugin_id)->get();
+    }
+    return parent::createInstance($plugin_id, $configuration);
   }
 
 }