keys(Keys.create().
next("down:39").
previous("down:37")
)
);
NodeFocusManager fm = NodeFocusManager.getFor(parent);
fm.set("activeDescendant", 1);
fm.on(NodeFocusManager.EVENT_FOCUSEDCHANGE, new EventCallback<AttributeEvent>() {
@Override
public void call(AttributeEvent e) {
if(!e.newValBoolean()) {
console1.log("parent has lost focus");