Changing Current Tab in Rails

Question

I have a list of tabs at the top of my application that I include in a general layout in application.html.erb. They look like this:

Answer 1

I did this in the application helper and it seems to work fine:

def current_page(path)
  "active" if current_page?(path)
end

Then call like this:

 <%= link_to "Home", root_path %>