MFC: fixed error when no scale present

2007-10-27 11:42:34 +00:00
parent a7212cb9c7
commit 2ee13c5c8b
1 changed files with 4 additions and 1 deletions
@@ -522,7 +522,10 @@ function grade_format_gradevalue($value, &$grade_item, $localized=true, $display
    switch ($displaytype) {
        case GRADE_DISPLAY_TYPE_REAL:
            if ($grade_item->gradetype == GRADE_TYPE_SCALE) {
-                $scale = $grade_item->load_scale();
+                if (!$scale = $grade_item->load_scale()) {
+                    return get_string('error');
+                }
+
                $value = (int)bounded_number($grade_item->grademin, $value, $grade_item->grademax);
                return format_string($scale->scale_items[$value-1]);