simple way to show form as description list using twitter bootstrap

gistfile1.rb

module ApplicationHelper
  def definition_lists_for(model, &block)
    dl = DefinitionListHelper.new model    
    yield dl   
  end
  
  class DefinitionListHelper
    include ActionView::Helpers
    include ActionView::Context
    include Haml::Helpers
      
    
    attr_accessor :model
    
    def initialize(model)
      self.model = model
      init_haml_helpers
    end
    
    def inputs(legend = nil, options = {}, &block)
      ret = ''
      ret << content_tag(:fieldset, options) do
        ret2 = ''
        ret2 << content_tag(:legend, legend) unless legend.nil?
        ret2 << content_tag(:dl, capture(&block), class: 'dl-horizontal')
        ret2.html_safe
      end
      ret.html_safe
    end
    
    def text_field(*args)
      item *args
    end 
    
    def email_field(*args)
      item *args
    end 
      
    def item(method, title = nil)
      ret = ''
      ret << content_tag(:dt, title) unless title.blank?
      ret << content_tag(:dd, method.is_a?(Symbol) ? @model.send(method) : method)
      ret.html_safe
    end  
  end
end