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typo3/sysext/extensionmanager/Classes/Controller/AbstractController.php

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+<?php
+namespace TYPO3\CMS\Extensionmanager\Controller;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+/**
+ * Abstract action controller.
+ * @internal This class is a specific controller implementation and is not considered part of the Public TYPO3 API.
+ */
+class AbstractController extends \TYPO3\CMS\Extbase\Mvc\Controller\ActionController
+{
+    const TRIGGER_RefreshModuleMenu = 'refreshModuleMenu';
+
+    const TRIGGER_RefreshTopbar = 'refreshTopbar';
+
+    /**
+     * @var array
+     */
+    protected $triggerArguments = [
+        self::TRIGGER_RefreshModuleMenu,
+        self::TRIGGER_RefreshTopbar
+    ];
+
+    /**
+     * Translation shortcut
+     *
+     * @param $key
+     * @param array|null $arguments
+     * @return string|null
+     */
+    protected function translate($key, $arguments = null)
+    {
+        return \TYPO3\CMS\Extbase\Utility\LocalizationUtility::translate($key, 'extensionmanager', $arguments);
+    }
+
+    /**
+     * Handles trigger arguments, e.g. refreshing the module menu
+     * widget if an extension with backend modules has been enabled
+     * or disabled.
+     */
+    protected function handleTriggerArguments()
+    {
+        $triggers = [];
+
+        foreach ($this->triggerArguments as $triggerArgument) {
+            if ($this->request->hasArgument($triggerArgument)) {
+                $triggers[$triggerArgument] = $this->request->getArgument($triggerArgument);
+            }
+        }
+
+        $this->view->assign('triggers', $triggers);
+    }
+}