Best way to add "current" class to nav in Rails 3

Question

I have some static pages in a navigation menu. I want to add a class like "current" to the item which is currently displaying.

The way I am doing so is to add tons of helper methods (each for one item) to check the controller and action.

def current_root_class
  'class="current"' if controller_name == "homepage" && action_name == "index" 
end

<ul>
  <li <%= current_root_class %>><%= link_to "Home", root_path %>

Is there any better way to do so!? My current way is so stupid......

Answer 1

I made a helper called nav_link:

def nav_link(link_text, link_path)
  class_name = current_page?(link_path) ? 'current' : ''

  content_tag(:li, :class => class_name) do
    link_to link_text, link_path
  end
end

used like:

nav_link 'Home', root_path

which will produce HTML like

<li class="current"><a href="/">Home</a></li>