JListのアイテムをラバーバンドで複数選択、ドラッグ＆ドロップで並べ替え

JList list = new JList(model);
list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
list.setVisibleRowCount(0);
list.setFixedCellWidth(62);
list.setFixedCellHeight(62);
list.setCellRenderer(new IconListCellRenderer());
RubberBandingListener rbl = new RubberBandingListener();
list.addMouseMotionListener(rbl);
list.addMouseListener(rbl);
list.getSelectionModel().setSelectionMode(
    ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
list.setTransferHandler(new ListItemTransferHandler());
list.setDropMode(DropMode.INSERT);