From 8d5e99f0863f0899bfd4e22022b3a646cbe930e4 Mon Sep 17 00:00:00 2001
From: nicolasconnault <nicolasconnault>
Date: Tue, 27 Mar 2007 04:09:19 +0000
Subject: [PATCH] MDL-9040: Enabled disabling of any buttons that always lead
 to errors. Javascript dynamically displays/hides buttons depending on which
 groupings/groups are selected. This required a number of extensive
 modifications, but degrades nicely without JS.

---
 group/lib/utillib.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/group/lib/utillib.php b/group/lib/utillib.php
index 073adaf01c6df..dde711a1eb20d 100644
--- a/group/lib/utillib.php
+++ b/group/lib/utillib.php
@@ -39,6 +39,11 @@ function groups_count_group_members($groupid) {
 function groups_count_groups_in_grouping($groupingid, $courseid) {
     if (GROUP_NOT_IN_GROUPING == $groupingid) {
         $groupids = groups_get_groups_not_in_any_grouping($courseid);
+        
+        if ($groupids === false) {
+            return false;
+        }
+        
         return count($groupids);
     } elseif (GROUP_ANY_GROUPING == $groupingid) {
         return count_records('groups_courses_groups', 'courseid', $courseid);
@@ -414,4 +419,4 @@ function groups_param_action($prefix = 'act_') {
     return $action;
 }
 
-?>
\ No newline at end of file
+?>