snippet.rb

module ActionView
  module Helpers
     class InstanceTag
       def to_check_box_tag(options = {}, checked_value = "1", unchecked_value = "0")
         options = options.stringify_keys
         options["type"] = "checkbox"
         options["value"] = checked_value
         if options.has_key?("checked")
           cv = options.delete "checked"
           checked = cv == true || cv == "checked"
         else
           checked = self.class.check_box_checked?(value(object), checked_value)
         end
         ignore_hidden_field = (options.delete("ignore_hidden_field") == true) ? true : false
         options["checked"] = "checked" if checked
         add_default_name_and_id(options)
         tag("input", options) << tag("input", "name" => options["name"], "type" => "hidden", "value" => options['disabled'] && checked ? checked_value : unchecked_value) unless ignore_hidden_field == false
         tag("input", options)
      end
    end
  end
end