Doubly-nested forms blueprints do not have ids.

jksilliman · Jun 26, 2011 · f020a23 · f020a23
1 parent 09d6eb9
commit f020a23
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/lib/nested_form/builder.rb b/lib/nested_form/builder.rb
@@ -19,12 +19,14 @@ def link_to_add(*args, &block)
       args << (options.delete(:href) || "javascript:void(0)")
       args << options
       @fields ||= {}
-      @template.after_nested_form(association) do
-        model_object = object.class.reflect_on_association(association).klass.new
-        output = %Q[<div id="#{association}_fields_blueprint" style="display: none">].html_safe
-        output << fields_for(association, model_object, :child_index => "new_#{association}", &@fields[association])
-        output.safe_concat('</div>')
-        output
+      if object.persisted?
+        @template.after_nested_form(association) do
+          model_object = object.class.reflect_on_association(association).klass.new
+          output = %Q[<div id="#{association}_fields_blueprint" style="display: none">].html_safe
+          output << fields_for(association, model_object, :child_index => "new_#{association}", &@fields[association])
+          output.safe_concat('</div>')
+          output
+        end
       end
       @template.link_to(*args, &block)
     end