protected function _firstTimePerform($request, $response)
{
$data = $this->dataspace->export();
if (!isset($data['ids']) || !is_array($data['ids'])) {
$request->setStatus(Request::STATUS_FAILURE);
if ($request->hasAttribute('popup')) {
$response->write(closePopupResponse($request));
}
return;
}
$objects = $this->_getObjectsToDelete(array_keys($data['ids']));
$grid = $this->view->findChild('multi_delete');
$grid->registerDataset(new ArrayDataset($objects));
parent::_firstTimePerform($request, $response);
}
