From eba01c0fc950904a9f1dcecaa16853e35ed509fa Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Tue, 18 Nov 2014 11:07:54 +0800
Subject: [PATCH] MDL-23839 navigation: Check for assignable course category
 roles

---
 lib/navigationlib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/navigationlib.php b/lib/navigationlib.php
index c11e457..59f260f 100644
--- a/lib/navigationlib.php
+++ b/lib/navigationlib.php
@@ -4416,7 +4416,7 @@ class settings_navigation extends navigation_node {
         }
 
         // Assign local roles
-        if (has_capability('moodle/role:assign', $catcontext)) {
+        if (!empty(get_assignable_roles($catcontext))) {
             $assignurl = new moodle_url('/'.$CFG->admin.'/roles/assign.php', array('contextid' => $catcontext->id));
             $categorynode->add(get_string('assignroles', 'role'), $assignurl, self::TYPE_SETTING, null, 'roles', new pix_icon('i/assignroles', ''));
         }
-- 
2.1.2