MDL-47919 tool_monitor: only use set_label() on valid object

2014-10-31 00:56:47 -07:00
parent 1a14f8a6de
commit a724ceb99f
1 changed files with 8 additions and 2 deletions
@@ -128,9 +128,15 @@ class rules extends \table_sql implements \renderable {
     */
    public function col_select(\tool_monitor\rule $rule) {
        global $OUTPUT;
+
        $select = $rule->get_module_select($this->courseid);
-        $select->set_label(get_string('subscribeto', 'tool_monitor', $rule->get_name($this->context)), array('class' => 'accesshide'));
-        return is_object($select) ? $OUTPUT->render($select) : $select;
+
+        if ($select instanceof \single_select) {
+            $select->set_label(get_string('subscribeto', 'tool_monitor', $rule->get_name($this->context)), array('class' => 'accesshide'));
+            return $OUTPUT->render($select);
+        } else {
+            return $select;
+        }
    }

    /**