gistfile1.txt

# Controller

has_widgets do |root|
  root << widget("cart/wizard", :cart_wizard, :display, purchase_order: @purchase_order)
end

# Cart Wizard Widget

after_initialize :setup!

def setup!(*)
  @purchase_order ||= options.fetch(:purchase_order, nil)
end

has_widgets do
  self << widget("cart/list",     :cart_list, purchase_order: @purchase_order)
  self << widget("cart/resume",   :cart_resume)
  self << widget("shipping/form", :shipping_form)
  self << widget("payment/form",  :payment_form)
  self << widget("authentication")
end