/** * 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); }