private void scrollToCenter() {
    ListSelectionModel selectionModel = myTreeTable.getSelectionModel();
    int maxSelectionIndex = selectionModel.getMaxSelectionIndex();
    final int maxColumnSelectionIndex = Math.max(0, myTreeTable.getColumnModel().getSelectionModel().getMinSelectionIndex());
    Rectangle maxCellRect = myTreeTable.getCellRect(maxSelectionIndex, maxColumnSelectionIndex, false);

    final Point selectPoint = maxCellRect.getLocation();
    final int allHeight = myTreeTable.getVisibleRect().height;
    myTreeTable.scrollRectToVisible(new Rectangle(new Point(0, Math.max(0, selectPoint.y - allHeight / 2)), new Dimension(0, allHeight)));
  }
private void scrollToCenter()