Remove XCLASS FormController

Classes/EventListener/PowermailFormControllerFormActionEventListener.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+namespace TRAW\Powermailcaptcha\EventListener;
+
+use In2code\Powermail\Events\FormControllerFormActionEvent;
+use TYPO3\CMS\Core\SingletonInterface;
+
+/**
+ * >= v12 only
+ *
+ * Listens to event FormControllerFormActionEvent
+ * @see \In2code\Powermail\Events\FormControllerFormActionEvent
+ *
+ * Documentation: How to listen to events
+ * @see https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/ApiOverview/Events/EventDispatcher/Index.html
+ */
+final class PowermailFormControllerFormActionEventListener implements SingletonInterface
+{
+    public function handleEvent(FormControllerFormActionEvent $event): void
+    {
+        $form = $event->getForm();
+        if ($form === null) {
+            return;
+        }
+        $formController = $event->getFormController();
+        $settings = $formController->getSettings();
+
+        if ($settings['powermailcaptcha']['useSiteLanguage'] ?? 0) {
+            /** !!!! this method does not exist yet
+             * see https://github.com/in2code-de/powermail/pull/1199
+             */
+            if (method_exists($event, 'addViewVariables')) {
+                $event->addViewVariables([
+                        'languageIso' => $GLOBALS['TYPO3_REQUEST']->getAttribute('language')->getLocale()->getLanguageCode()
+                    ]
+                );
+            }
+        }
+    }
+}

Configuration/Services.yaml

@@ -0,0 +1,14 @@
+services:
+  _defaults:
+    autowire: true
+    autoconfigure: true
+    public: false
+
+  TRAW\Powermailcaptcha\:
+    resource: '../Classes/*'
+
+  TRAW\Powermailcaptcha\EventListener\PowermailFormControllerFormActionEventListener:
+    tags:
+      - name: event.listener
+        method: handleEvent
+        identifier: 'powermailcaptchaFormControllerFormActionEventListener'