class ActiveAdmin::Views::AttributesTable

def build(obj, *attrs)
  @collection = Array.wrap(obj)
  @resource_class = @collection.first.class
  options = {}
  options[:for] = @collection.first if single_record?
  super(options)
  add_class "attributes-table"
  @table = table
  build_colgroups
  rows(*attrs)
end

def build_colgroups
  return if single_record?
  reset_cycle(self.class.to_s)
  within @table do
    col # column for row headers
    @collection.each do |record|
      col(id: dom_id_for(record))
    end
  end
end

def content_for(record, attr)
  value = helpers.format_attribute record, attr
  value.blank? && current_arbre_element.children.to_s.empty? ? empty_value : value
  # Don't add the same Arbre twice, while still allowing format_attribute to call status_tag
  current_arbre_element << value unless current_arbre_element.children.include? value
end

def default_id_for_prefix
  "attributes_table"
end

def empty_value
  span I18n.t("active_admin.empty"), class: "attributes-table-empty-value"
end

def header_content_for(attr)
  if @resource_class.respond_to?(:human_attribute_name)
    @resource_class.human_attribute_name(attr, default: attr.to_s.titleize)
  else
    attr.to_s.titleize
  end
end

def row(*args, &block)
  title = args[0]
  options = args.extract_options!
  options["data-row"] = title.to_s.parameterize(separator: "_") if title.present?
  @table << tr(options) do
    th do
      header_content_for(title)
    end
    @collection.each do |record|
      td do
        content_for(record, block || title)
      end
    end
  end
end

def rows(*attrs)
  attrs.each { |attr| row(attr) }
end

def single_record?
  @single_record ||= @collection.size == 1
end