Admin_SlideshowController::init PHP Метод

    public function init()
    {
        $this->_helper->contextSwitch()->addActionContext('add-item', 'json')->addActionContext('add-multiple-items', 'json')->addActionContext('set-order', 'json')->addActionContext('remove-item', 'json')->addActionContext('index', 'json')->initContext();
        $this->view->previewWidth = 100;
        $this->view->previewHeight = 100;
        $this->_helper->layout->setLayout('iframe');
    }