MDL-51307 navigation: hide message button

diff --git a/lib/outputrenderers.php b/lib/outputrenderers.php
index d87ce6a..435dec2 100644 (file)
--- a/lib/outputrenderers.php
+++ b/lib/outputrenderers.php
@@ -3946,7 +3946,7 @@ EOD;
      * @return string HTML for the header bar.
      */
     public function context_header($headerinfo = null, $headinglevel = 1) {
-        global $DB, $USER;
+        global $DB, $USER, $CFG;
         $context = $this->page->context;
         // Make sure to use the heading if it has been set.
         if (isset($headerinfo['heading'])) {
@@ -3976,7 +3976,7 @@ EOD;
 
             $imagedata = $this->user_picture($user, array('size' => 100));
             // Check to see if we should be displaying a message button.
-            if ($USER->id != $user->id && has_capability('moodle/site:sendmessage', $context)) {
+            if (!empty($CFG->messaging) && $USER->id != $user->id && has_capability('moodle/site:sendmessage', $context)) {
                 $userbuttons = array(
                     'messages' => array(
                         'buttontype' => 'message',