rerender accept schema option now

jsonform/gadget_json_generated_form_child.js

@@ -1987,10 +1987,10 @@
         delete_button: options.delete_button,
         top: options.top
       };
-      return g.rerender(options.document);
+      return g.rerender({value: options.document});
     })
 
-    .declareMethod('rerender', function (document) {
+    .declareMethod('rerender', function (opt) {
       var g = this,
         for_delete,
         root = g.element.querySelector('[data-json-path="/"]');
@@ -2003,8 +2003,11 @@
         root = g.element;
       }
       for_delete = Array.from(root.childNodes);
+      if (opt.schema) {
+        g.props.schema_arr[0].schema = opt.schema;
+      }
       return render_field(g, g.props.property_name, "", g.props.schema_arr,
-        document, root, g.props.render_opt)
+        opt.value, root, g.props.render_opt)
         .push(function () {
           for (var i = 0; i < for_delete.length; i += 1) {
             root.removeChild(for_delete[i]);