From c377d07f2672091f87dedea41098b85a60bcf113 Mon Sep 17 00:00:00 2001
From: Davo Smith <davo.smith@synergy-learning.com>
Date: Fri, 22 Sep 2017 10:15:46 +0100
Subject: [PATCH] MDL-60205 form: fix hiding of elements within groups with
 theme_clean

---
 lib/form/form.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/form/form.js b/lib/form/form.js
index 2eaea03d9ff..59f3ac6a051 100644
--- a/lib/form/form.js
+++ b/lib/form/form.js
@@ -283,6 +283,13 @@ if (typeof M.form.dependencyManager === 'undefined') {
             els.each(function(node) {
                 var e = node.ancestor('.fitem', true);
                 if (e) {
+                    // Cope with differences between clean and boost themes.
+                    if (e.hasClass('fitem_fgroup')) {
+                        // Items within groups are not wrapped in div.fitem in theme_clean, so
+                        // we need to hide the input, not the div.fitem.
+                        e = node;
+                    }
+
                     if (hidden) {
                         e.setAttribute('hidden', 'hidden');
                     } else {