/**
* Setup filter-by data (to be kept in the 'pagingInfo' object), based on
* parameters that may exist in the request.
*
* @param Context $ctx
*/
private function initFiltering($ctx)
{
$searchString = $ctx->getRequest()->getString('sSearch', '');
$searchColumns = array();
if (!empty($searchString)) {
$searchColumns = $this->getSearchColumns();
}
$this->pagingInfo->setSearchString($searchString);
$this->pagingInfo->setSearchColumns($searchColumns);
}
