gistfile1.rb

# hack formtastic to add this feature:
#   let form.inputs method could render the accessible attributes
# code in http://github.com/kaichen/formtastic

# rails_app_root/app/models/user.rb
class User < ActiveRecord::Base
  ...
  attr_accessible :name, :email, :password, :password_confirmation
  ...
end

# rails_app_root/app/views/users/_form.html.erb
<%= form.inputs %>
#=> <fieldset class="inputs">
#=>   <ol>
#=>     <li class="string required" id="user_name_input">
#=>       <label for="user_name">Name<abbr title="required">*</abbr></label>
#=>       <input id="user_name" maxlength="255" name="user[name]" size="50" type="text" />
#=>     </li>
#=>     <li class="password required" id="user_password_confirmation_input">
#=>       <label for="user_password_confirmation">Password confirmation<abbr title="required">*</abbr></label>
#=>       <input id="user_password_confirmation" name="user[password_confirmation]" size="50" type="password" />
#=>     </li>
#=>     <li class="text required" id="user_roles_input">
#=>       <label for="user_roles">Roles<abbr title="required">*</abbr></label>
#=>       <textarea cols="40" id="user_roles" name="user[roles]" rows="20"></textarea>
#=>     </li>
#=>     <li class="password required" id="user_password_input">
#=>       <label for="user_password">Password<abbr title="required">*</abbr></label>
#=>       <input id="user_password" name="user[password]" size="50" type="password" />
#=>     </li>
#=>     <li class="string required" id="user_email_input">
#=>       <label for="user_email">Email<abbr title="required">*</abbr></label>
#=>       <input id="user_email" maxlength="255" name="user[email]" size="50" type="text" />
#=>     </li>
#=>   </ol>
#=> </fieldset>