openproject/lib/widget.rb

class ActionView::Base
  def render_widget(widget, subject, options = nil)
    i = widget.new(subject)
    i.config = config
    i.controller = controller
    i._content_for = @_content_for
    (options ? i.render_with_options(options) : i.render).html_safe
  end
end

class Widget < ActionView::Base
  include ActionView::Helpers::TagHelper
  include ActionView::Helpers::AssetTagHelper
  include ActionView::Helpers::FormTagHelper
  include ActionView::Helpers::JavaScriptHelper

  attr_accessor :output_buffer, :controller, :config, :_content_for

  extend ProactiveAutoloader

  def l(s)
    ::I18n.t(s.to_sym, :default => s.to_s.humanize)
  end

  def current_language
    ::I18n.locale
  end
end