class ActionView::Helpers::DateTimeSelector

def build_select(type, select_options_as_html)
  select_options = {
    id: input_id_from_type(type),
    name: input_name_from_type(type)
  }.merge!(@html_options)
  select_options[:disabled] = "disabled" if @options[:disabled]
  select_options[:class] = css_class_attribute(type, select_options[:class], @options[:with_css_classes]) if @options[:with_css_classes]
  select_html = +"\n"
  select_html << content_tag("option", "", value: "", label: " ") + "\n" if @options[:include_blank]
  select_html << prompt_option_tag(type, @options[:prompt]) + "\n" if @options[:prompt]
  select_html << select_options_as_html
  (content_tag("select", select_html.html_safe, select_options) + "\n").html_safe
end