class ActiveAdmin::Views::Popover

def add_child(child)
  if @contents_root
    @contents_root << child
  else
    super
  end
end

def build(options = {}, &block)
  options           = options.dup
  contents_root_tag = options.delete(:contents_root_tag) || :div
  options[:style]   = "display: none"
  super(options)
  @contents_root = send(contents_root_tag, class: "popover_contents")
end