# Time 2015-01-30 17:02:41
# Author lizanle
# Description 打开redmine\ruby\lib\ruby\gems\1.9.1\gems\actionpack-3.2.13\lib\action_view\helpers\UrlHelper，重写link_to_unless方法
# 如果是当前页，则给当前页添加样式：class=>'current-page'
module ActionView
  # = Action View URL Helpers
  module Helpers #:nodoc:
    # Provides a set of methods for making links and getting URLs that
    # depend on the routing subsystem (see ActionDispatch::Routing).
    # This allows you to use the same format for links in views
    # and controllers.
    module UrlHelper
      def link_to_unless(condition, name, options = {}, html_options = {}, &block)
        if condition
          link_to(name, options, html_options.merge(:class => 'current-page'))
        else
          link_to(name, options, html_options)
        end
      end
    end
  end
end