From ca985c82b2c6be7546bef6f4cdacd42939952feb Mon Sep 17 00:00:00 2001
From: Adrian Greeve <adrian@moodle.com>
Date: Thu, 15 Sep 2016 16:00:53 +0800
Subject: [PATCH] MDL-55519 activities: mform element shows correct maxgrade.

In certain circumstances the max grade value would revert
back to the default max grade value.
---
 lib/form/modgrade.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/form/modgrade.php b/lib/form/modgrade.php
index bced16a4883..56d02571857 100644
--- a/lib/form/modgrade.php
+++ b/lib/form/modgrade.php
@@ -502,7 +502,8 @@ class MoodleQuickForm_modgrade extends MoodleQuickForm_group {
                             $this->scaleformelement->setValue(($value * -1));
                         } else if ($value > 0) {
                             $this->gradetypeformelement->setValue('point');
-                            $this->maxgradeformelement->setValue($value);
+                            $maxvalue = !empty($this->currentgrade) ? (string)unformat_float($this->currentgrade) : $value;
+                            $this->maxgradeformelement->setValue($maxvalue);
                         }
                     } else {
                         $this->gradetypeformelement->setValue('none');