projekt kivitendo

    this.menu_above         = false;

          const $widget = self.$dummy.autocomplete('widget');

          const input_bound = self.$dummy[0].getBoundingClientRect();

          // safe inner viewport height without scrollbars

          const viewport_height = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0);

          // logic:

          // if the widget was already open, keep position

          // if fits above but not below: render above

          // else: render below

          if (!self.autocomplete_open) {

            if (input_bound.top > $widget.height() && input_bound.bottom + $widget.height() > viewport_height) {

              $widget.position({ my: "left bottom", at: "left top", of: self.$dummy });

              self.menu_above = true;

            } else {

              $widget.position({ my: "left top", at: "left bottom", of: self.$dummy });

              self.menu_above = false;

            }

          } else {

            if (self.menu_above) {

              $widget.position({ my: "left bottom", at: "left top", of: self.$dummy });

            } else {

              $widget.position({ my: "left top", at: "left bottom", of: self.$dummy });

            }

          }