MDL-38356 Forms: Check that the form exists before applying changechecker

Signed-off-by: Andrew Robert Nicols <[email protected]>
2013-03-13 18:04:18 +00:00
parent 1bfc006d96
commit d749cbc9a2
1 changed files with 5 additions and 0 deletions
@@ -17,6 +17,11 @@ YUI.add('moodle-core-formchangechecker',
                initializer : function(config) {
                    var formid = 'form#' + this.get('formid');

+                    if (!currentform) {
+                        // If the form was not found, then we can't check for changes.
+                        return;
+                    }
+
                    // Add change events to the form elements
                    Y.all(formid + ' input').once('change', M.core_formchangechecker.set_form_changed, this);
                    Y.all(formid + ' textarea').once('change', M.core_formchangechecker.set_form_changed, this);