# = SetLocale
#
# Author:: Joel Parker Henderson, joelparkerhenderson@gmail.com
# Copyright:: Copyright (c) 2006-2008 Joel Parker Henderson
# License:: CreativeCommons License, Non-commercial Share Alike
# License:: LGPL, GNU Lesser General Public License
#
# Gem implementation of code like http://almosteffortless.com/2008/07/21/simple-localization-in-rails-22/
#
# ==Example
#   class ApplicationController < ActionController::Base
#     ...
#     include SetLocale
#     before_filter :set_locale
#     ...
#   end
##

module SetLocale

  def set_locale(locale=nil)
    if defined? I18n
      if locale
        I18n.locale = locale
      else
        if defined? params and params[:locale]
          I18n.locale = params[:locale]
        else
          I18n.default_locale
        end
      end
    end
  end

end