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Resourcen:

• Formtastic
• Nifty Generators
• Full episode source code

rails vet
sudo rake gems:install
script/generate nifty_layout
script/generate nifty_scaffold category name:string description:text
rake db:migrate
script/generate formtastic_stylesheets
script/generate nifty_scaffold animal name:string category_id:integer born_on:date female:boolean

<!-- application.html.erb -->
<%= stylesheet_link_tag 'application', 'formtastic', 'formtastic_changes', :cache => "base" %>

<!-- views/animals/_form.html.erb -->
<% semantic_form_for @category do |f| %>
  <%= f.inputs %>
  <%= f.buttons %>
<% end %>

<!-- views/animals/_form.html.erb -->
<% semantic_form_for @animal do |f| %>
  <% f.inputs do %>
    <%= f.input :name %>
    <%= f.input :born_on, :start_year => 1900 %>
    <%= f.input :category, :include_blank => false %>
    <%= f.input :female, :as => :radio, :label => "Gender", :collection => [["Male", false], ["Female", true]] %>
  <% end %>
  <%= f.buttons %>
<% end %>