nav helper

gistfile1.rb

  def nav_item(title, url)
    active_class = current_path?(url) ? ' class=\'active\'' : ''
    content = '<li' + active_class + '>'
    content << capture do
      link_to title, url
    end
    content << content_tag(:span) << '</li>'
    content.html_safe
  end 


  def current_path?(path)
   Rails.application.routes.recognize_path(path) == {:controller => controller.controller_path, :action => controller.action_name}
  end