MDL-31306 question preview: disable 'Fill correct' for qtypes that can't

2012-01-24 13:27:45 +08:00
parent 58eb3519ea
commit 6bc136feff
4 changed files with 13 additions and 5 deletions
@@ -582,6 +582,7 @@ class question_usage_by_activity {
    /**
     * Get the correct response to a particular question. Passing the results of
     * this method to {@link process_action()} will probably result in full marks.
+     * If it is not possible to compute a correct response, this method should return null.
     * @param int $slot the number used to identify this question within this usage.
     * @return array that constitutes a correct response to this question.
     */