Rails nested form with simple form not showing nested objects' form

Question

I've got a rails update form like this:

<%= debug @ballot.scores %>
<%= simple_form_for(@ballot, :url => "/vote/#{@election.id}/ballot/#{@ballot.position}/submit", :method => :post, :html => {:class => 'form-horizontal' }) do |f| %>
  <% f.fields_for :scores do |builder| %>
    <div class="slider">Slider goes here!</div>
    <%= builder.hidden_field :initialValue, :value => 50 %>
  <% end %>
  <%= f.button :submit %>
<% end %>

The debug shows:

---
- !ruby/object:Score
  attributes:
    id: 1
    ballot_id: 4
    candidate_id: 4
    initialScore: 
    normalizedScore: 
    created_at: 2013-08-08 05:00:10.391163000 Z
    updated_at: 2013-08-08 05:00:10.432374000 Z
- !ruby/object:Score
  attributes:
    id: 2
    ballot_id: 4
    candidate_id: 5
    initialScore: 
    normalizedScore: 
    created_at: 2013-08-08 05:00:10.418904000 Z
    updated_at: 2013-08-08 05:00:10.434772000 Z

So there are definitely score objects, however no "Slider goes here!" text is showing up on the page. Why isn't this working?

Let me know if you need more info :)

vee · Accepted Answer · 2013-08-10 03:35:55Z

1

You need to specify <%= fields_for ... you are missing the = sign.

Try:

<%= f.fields_for :scores do |builder| %>

Please refer to fields_for documentation on it's usage.

Although fields_for works regardless of use of simple_form, you could use simple_fields_for as well since you are using simple_form as follows:

<%= f.simple_fields_for :scores do |builder| %>

edited Aug 10, 2013 at 3:35

answered Aug 10, 2013 at 3:21

vee

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