Admin_ImageController::init PHP Метод

    public function init()
    {
        $this->renditions = $this->_helper->service('image.rendition')->getRenditions();
        $this->_helper->contextSwitch()->addActionContext('edit', 'json')->addActionContext('set-rendition', 'json')->addActionContext('remove-rendition', 'json')->addActionContext('article-attach', 'json')->addActionContext('set-attach', 'json')->addActionContext('set-detach', 'json')->addActionContext('upload', 'json')->addActionContext('edit-image-data', 'json')->initContext();
        $this->view->previewWidth = 120;
        $this->view->previewHeight = 120;
    }