gistfile1.rb

=begin
  <% @form.form_fields.each do |field| %>
    <div>
      <%= f.label field.name, field.label, :class => 'rectifier',  %>
      <% puts({:foo => field}.inspect) %>
      <%= display_form_field(f, field) %>
    </div>
  <% end %>
=end

# and helper

module DynamicForms
  module FormsHelper
    
    def display_form_field(form_builder, field)
      unless field.field_helper_select_options.nil?
        puts({ :ty => field.kind.to_sym,
               :sel => field.field_helper_select_options,
               :help => field.field_helper_options,
#                :html => field.try(:field_helper_html_options)
             }.inspect)

        if field.has_html_options?
          return form_builder.send(field.kind.to_sym, field.name, field.field_helper_select_options, field.field_helper_options, field.field_helper_html_options)
        else
          return form_builder.send(field.kind.to_sym, field.name, field.field_helper_select_options, field.field_helper_options)
        end
      else
        if field.has_html_options?
          return form_builder.send(field.kind.to_sym, field.name, field.field_helper_options, field.field_helper_html_options)
        else
          return form_builder.send(field.kind.to_sym, field.name, field.field_helper_options)
        end
      end
    end
  end
end