buttonBar.add(up);
}
IconButton allRight = new IconButton("arrow-double-right");
configureButton(allRight, getMessages().getAddAll(), GXT.MESSAGES.listField_addAll());
allRight.addListener(Events.Select, new Listener<ComponentEvent>() {
public void handleEvent(ComponentEvent be) {
List<D> sel = fromField.getStore().getModels();
toField.getStore().add(sel);
fromField.getStore().removeAll();
}