Orbit/app/assets/javascripts/lib/datetimepicker/date.time.picker.js

!function ($) {
    $.fn.datetimepick = function() {
      var $this = this,
          $format = $this.attr('data-date-format'),
          $language = $this.attr('data-language'),
          $pickTime = ("ture" === $this.attr('data-picktime'));
          $this.datetimepicker({
            format: $format,
            pickTime: $pickTime,
            language: $language,
          });
    }
}(window.jQuery);

$(function(){
  $('.datetimepick').datetimepick();
});