MDL-50391 format_singleactivity: fix LTI Tool opens in existing window

moodle · Aug 13, 2015 · 8b40604 · 8b40604
1 parent 3bacf55
commit 8b40604
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/mod/lti/mod_form.php b/mod/lti/mod_form.php
@@ -75,10 +75,12 @@ public function definition() {
         $mform->setAdvanced('introeditor');
 
         // Display the label to the right of the checkbox so it looks better & matches rest of the form.
-        $coursedesc = $mform->getElement('showdescription');
-        if (!empty($coursedesc)) {
-            $coursedesc->setText(' ' . $coursedesc->getLabel());
-            $coursedesc->setLabel('&nbsp');
+        if ($mform->elementExists('showdescription')) {
+           $coursedesc = $mform->getElement('showdescription');
+           if (!empty($coursedesc)) {
+               $coursedesc->setText(' ' . $coursedesc->getLabel());
+               $coursedesc->setLabel('&nbsp');
+           }
         }
 
         $mform->setAdvanced('showdescription');