1
我有一个简单的嵌套窗体,它显示用户的仪表板的字段以及仪表板的tile(aka窗口小部件)的嵌套属性。我正在使用Rails 4.1,并且只想为enum :middle_column (whose value is 2)
显示:tiles
。将f.simple_fields_for :tiles do |builder|
更改为enum :middle_column
的适当语法是什么?Rails 4.1 enum限制返回fields_for
<%= simple_form_for [@user, @dashboard] do |f| %>
<%= f.simple_fields_for :tiles do |builder| %>
<%= render "widgets/#{builder.object.widget.function}_fields", f: builder %>
<% end %>
<% end %>