MDL-47651 quiz responses: allow for qtypes without responses

2014-10-20 12:10:43 +01:00
parent b49de5d930
commit a40eaaa28f
1 changed files with 4 additions and 0 deletions
@@ -132,6 +132,10 @@ class quiz_first_or_all_responses_table extends quiz_last_responses_table {
     */
    public function get_summary_after_try($tablerow, $slot) {
        $qa = $this->get_question_attempt($tablerow->usageid, $slot);
+        if (!($qa->get_question() instanceof question_manually_gradable)) {
+            // No responses, and we cannot call summarise_response below.
+            return null;
+        }
        $submissionsteps = $qa->get_steps_with_submitted_response_iterator();
        $step = $submissionsteps[$tablerow->try];
        if ($step === null) {