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

2015-08-13 14:12:13 +01:00
parent a0f2d25ccd
commit 7ae86a915c
1 changed files with 6 additions and 4 deletions
@@ -75,10 +75,12 @@ class mod_lti_mod_form extends moodleform_mod {
        $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');