SelectableSubmissionFileListCategoryGridHandler::loadData PHP Method

    protected function loadData($request, $filter)
    {
        // Let parent class get data from data provider.
        $workflowStages = parent::loadData($request, $filter);
        // Filter the data.
        if ($filter['allStages']) {
            return array_combine($workflowStages, $workflowStages);
        } else {
            return array($this->getStageId() => $this->getStageId());
        }
    }