final SingleSelectionModel<Contact> selectionModel = new SingleSelectionModel<Contact>();
cellTable.setSelectionModel(selectionModel);
selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
@Override
public void onSelectionChange(SelectionChangeEvent event) {
Contact selectedContact = selectionModel.getSelectedObject();
System.out.println("ContactListView2 .onSelectionChange()");
presenter.select(selectedContact);
}
});
}