TriggerViewHelper.php

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<?php
namespace TYPO3\CMS\Extensionmanager\ViewHelpers\Be;

use \TYPO3\CMS\Extensionmanager\Controller\AbstractController;

class TriggerViewHelper extends \TYPO3\CMS\Fluid\ViewHelpers\Be\AbstractBackendViewHelper {

    public function render($triggers = array()) {
        $doc = $this->getDocInstance();
        $pageRenderer = $doc->getPageRenderer();
        // Handle triggers
        if (!empty($triggers[AbstractController::TRIGGER_RefreshModuleMenu])) {
            $pageRenderer->addJsInlineCode(
                AbstractController::TRIGGER_RefreshModuleMenu,
                'if (top.TYPO3ModuleMenu.refreshMenu) { top.TYPO3ModuleMenu.refreshMenu(); }'
            );
        }
        return '';
    }

}