Add jquery-treeview (http://bassistance.de/jquery-plugins/jquery-plugin-treeview/) to your rails app.

Requires Rails 3.1.

To install:

  1. Add to your Gemfile, in the :assets group: gem "jquery-treeview-rails", :git => '[email protected]:kclair/jquery-treeview-rails.git'

  2. Add to your application.js file: //= require jquery_treeview