quiz MDL-20718 notice on review page.

mod/quiz/review.php

@@ -38,7 +38,7 @@
     require_login($course->id, false, $cm);
     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
     $coursecontext = get_context_instance(CONTEXT_COURSE, $cm->course);
-    $isteacher = has_capability('mod/quiz:preview', get_context_instance(CONTEXT_MODULE, $cm->id));
+    $isteacher = has_capability('mod/quiz:preview', $context);
     $options = quiz_get_reviewoptions($quiz, $attempt, $context);
     $popup = $isteacher ? 0 : $quiz->popup; // Controls whether this is shown in a javascript-protected window or with a safe browser.
 
@@ -124,7 +124,7 @@
 /// Print the page header
     $pagequestions = explode(',', $pagelist);
     $headtags = get_html_head_contributions($pagequestions, $questions, $states);
-    if (!$ispreviewing && $quiz->popup) {
+    if (!$isteacher && $quiz->popup) {
         define('MESSAGE_WINDOW', true);  // This prevents the message window coming up
         print_header($course->shortname.': '.format_string($quiz->name), '', '', '', $headtags, false, '', '', false, '');
         if ($quiz->popup == 1) {
@@ -141,7 +141,7 @@
     echo '<div id="overDiv" style="position:absolute; visibility:hidden; z-index:1000;"></div>'; // for overlib
 
 /// Print heading and tabs if this is part of a preview
-    if (has_capability('mod/quiz:preview', $context)) {
+    if ($isteacher) {
         if ($attempt->userid == $USER->id) { // this is the report on a preview
             $currenttab = 'preview';
         } else {