formgen sample form

gistfile1.rhtml

<%= form_for setup_foo(@foo), :html => { :multipart => true } do |f| %>
  <% if @foo.errors.any? %>
    <div id="errorExplanation">
      <h2><%= pluralize(@foo.errors.count, "error") %> prohibited this foo from being saved:</h2>
      <ul>
        <% @foo.errors.full_messages.each do |msg| %>
          <li><%= msg %></li>
        <% end %>
      </ul>
    </div>
  <% end %>
  <div class="field">
    <%= f.label :name %>
    <%= f.text_field :name %>
  </div>
  <div class="field">
    <%= f.label :description %>
    <%= f.text_area :description %>
  </div>
  <div class="field">
    <%= f.label :image %>
    <%= f.file_field :image %>
  </div>
  <div class="field">
    <%= f.label :other_ids, "Others" %>
    <%= f.select :other_ids, build_select_list(:others), {:prompt => "Please select"}, {:multiple => true, :size => 4} %>
  </div>
  <div class="field">
    <%= f.label :something_id, "Something" %>
    <%= f.select :something_id, build_select_list(:something), {:prompt => "Please select one"} %>
  </div>
  <%= f.fields_for :baz do |nf| %>
    <%= render 'baz_fields', :f => nf %>
  <% end %>
  <%= f.fields_for :bars do |nf| %>
    <%= render 'bar_fields', :f => nf %>
  <% end %>
  <%= link_to_add_fields "Add bar", f, :bars %>
  <%= f.submit "Save" %>
<% end %>
<%= content_for :head do %>
  <%= javascript_include_tag 'jquery.add_remove_links.js' %>
<% end %>