% content_for :javascript_includes do %> <%= javascript_include_tag "/assets/ckeditor/ckeditor" %> <% end %> <%= simple_form_for [:admin, @place], wrapper: :horizontal_form, wrapper_mappings: { file: :horizontal_file } do |f| %> <%= f.error_notification %> <%= f.input :name %> <%= f.input :address %> <%= f.input :url %>