class ActionView::Helpers::Tags::Label

def initialize(object_name, method_name, template_object, content_or_options = nil, options = nil)
  options ||= {}
  content_is_options = content_or_options.is_a?(Hash)
  if content_is_options
    options.merge! content_or_options
    @content = nil
  else
    @content = content_or_options
  end
  super(object_name, method_name, template_object, options)
end

def render(&block)
  options = @options.stringify_keys
  tag_value = options.delete("value")
  name_and_id = options.dup
  if name_and_id["for"]
    name_and_id["id"] = name_and_id["for"]
  else
    name_and_id.delete("id")
  end
  add_default_name_and_id_for_value(tag_value, name_and_id)
  options.delete("index")
  options.delete("namespace")
  options["for"] = name_and_id["id"] unless options.key?("for")
  if block_given?
    content = @template_object.capture(&block)
  else
    content = if @content.blank?
                @object_name.gsub!(/\[(.*)_attributes\]\[\d+\]/, '.\1')
                method_and_value = tag_value.present? ? "#{@method_name}.#{tag_value}" : @method_name
                if object.respond_to?(:to_model)
                  key = object.class.model_name.i18n_key
                  i18n_default = ["#{key}.#{method_and_value}".to_sym, ""]
                end
                i18n_default ||= ""
                I18n.t("#{@object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.label").presence
              else
                @content.to_s
              end
    content ||= if object && object.class.respond_to?(:human_attribute_name)
                  object.class.human_attribute_name(@method_name)
                end
    content ||= @method_name.humanize
  end
  label_tag(name_and_id["id"], content, options)
end