fixed jsonEditor init after json-editor/json-editor@58715dd

Author: handcode

assets/backend/page-route-items.js

@@ -8,7 +8,6 @@ $(function () {
 
   $(document).on('change', 'select[name="Tree[route]"]', function () {
     var self = $(this);
-
     $.post(self.data('request-url'), {value: self.val()}, function (resp, status) {
       if (status === 'success') {
         var schema = resp.schema;
@@ -27,13 +26,14 @@ $(function () {
             // recreate Editor
             editor.destroy();
             jsonEditorList[editorIndex] = new JSONEditor(element, editorOptions);
-
-            // inital update of value
-            $('input[name="Tree[request_params]"]').val(JSON.stringify(jsonEditorList[editorIndex].getValue()));
-
-            // update/init change callback for newly inserted editor which update the input value
-            jsonEditorList[editorIndex].on('change', function () {
+            jsonEditorList[editorIndex].on('ready', function () {
+              // inital update of value
               $('input[name="Tree[request_params]"]').val(JSON.stringify(jsonEditorList[editorIndex].getValue()));
+
+              // update/init change callback for newly inserted editor which update the input value
+              jsonEditorList[editorIndex].on('change', function () {
+                  $('input[name="Tree[request_params]"]').val(JSON.stringify(jsonEditorList[editorIndex].getValue()));
+              });
             });
 
           } else {