Function _keydownhandler

jquery.timepicker.js:1703–1796

(e)

    function _keydownhandler(e) {
      var self = $(this);
      var tp = self[0].timepickerObj;
      var list = tp.list;

      if (!list || !Timepicker.isVisible(list)) {
        if (e.keyCode == 40) {
          // show the list!
          methods.show.call(self.get(0));
          list = tp.list;

          if (!tp._hideKeyboard()) {
            self.trigger('focus');
          }
        } else {
          return true;
        }
      }

      switch (e.keyCode) {
        case 13:
          // return
          if (tp._selectValue()) {
            tp._formatValue({
              type: "change"
            });

            tp.hideMe();
          }

          e.preventDefault();
          return false;

        case 38:
          // up
          var selected = list.find(".ui-timepicker-selected");

          if (!selected.length) {
            list.find("li").each(function (i, obj) {
              if ($(obj).position().top > 0) {
                selected = $(obj);
                return false;
              }
            });
            selected.addClass("ui-timepicker-selected");
          } else if (!selected.is(":first-child")) {
            selected.removeClass("ui-timepicker-selected");
            selected.prev().addClass("ui-timepicker-selected");

            if (selected.prev().position().top < selected.outerHeight()) {
              list.scrollTop(list.scrollTop() - selected.outerHeight());
            }
          }

          return false;

        case 40:
          // down