module ActiveAdmin::ResourceController::Form::ClassMethods

def default_form_config
  config = {}
  config[:block] = lambda do |f|
    f.inputs
    f.buttons
  end
  config
end

def form_config
  @form_config ||= default_form_config
end

def form_config=(config)
  @form_config = config
end

def reset_form_config!
  @form_config = nil
end