From 9d1d5edb5213833a8118186304aee0a076884b78 Mon Sep 17 00:00:00 2001
From: Dan Marsden <dan@danmarsden.com>
Date: Wed, 25 Aug 2021 19:41:59 +1200
Subject: [PATCH] Prevent auto-mark setting changes when marking completed.

---
 classes/form/updatesession.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/classes/form/updatesession.php b/classes/form/updatesession.php
index 8f8dfea..140d538 100644
--- a/classes/form/updatesession.php
+++ b/classes/form/updatesession.php
@@ -154,6 +154,9 @@ class updatesession extends \moodleform {
         $mform->addElement('select', 'automarkcmid', get_string('selectactivity', 'attendance'), $automarkcmoptions2);
         $mform->setType('automarkcmid', PARAM_INT);
         $mform->hideif('automarkcmid', 'automark', 'neq', '3');
+        if (!empty($sess->automarkcompleted)) {
+            $mform->hardFreeze('automarkcmid,automark,studentscanmark');
+        }
 
         if (!empty($studentscanmark)) {
             $mform->addElement('text', 'studentpassword', get_string('studentpassword', 'attendance'));