module CmAdmin::ViewHelpers::PageInfoHelper

def page_url(action_name=@action.name, ar_object=nil)
  base_path = CmAdmin::Engine.mount_path + '/' + @model.name.downcase.pluralize
  case action_name
  when 'index'
    base_path
  when 'new'
    base_path + '/new'
  when 'edit'
    base_path + "/#{ar_object.id}" + '/edit'
  when 'destroy'
    base_path + "/#{ar_object.id}"
  end
end