path: root/actionpack/lib/action_view/helpers/tags/grouped_collection_select.rb

module ActionView
  module Helpers
    module Tags
      class GroupedCollectionSelect < Base #:nodoc:
        def initialize(object_name, method_name, template_object, collection, group_method, group_label_method, option_key_method, option_value_method, options, html_options)
          @collection          = collection
          @group_method        = group_method
          @group_label_method  = group_label_method
          @option_key_method   = option_key_method
          @option_value_method = option_value_method
          @html_options        = html_options

          super(object_name, method_name, template_object, options)
        end

        def render
          select_content_tag(
            option_groups_from_collection_for_select(@collection, @group_method, @group_label_method, @option_key_method, @option_value_method, value(@object)), @options, @html_options
          )
        end
      end
    end
  end
end