# File lib/Borges/Component/DateSelector.rb, line 29
  def render_content_on(r)
    r.select(1..12, @month, proc do |i| @month = i end) do |ea|
      Date::MONTHNAMES[ea]
    end

    r.select(1..31, @day) do |i|
      @day = i
    end

    r.select(year_range, @year) do |i|
      @year = i
    end

    render_validation_error_on(r) unless date_is_valid?
  end