OnMouseClicked

observableMap.addListener(new MapChangeListener() {
@Override
public void onChanged(MapChangeListener.Change change) {
System.out.println("Detected a change! ");
}
});

getSelectionModel().selectedItemProperty().addListener(
new ChangeListener<Tab>() {
@Override
public void changed(ObservableValue<? extends Tab> ov, Tab t, Tab t1) {
System.out.println("Tab Selection changed");
}
}
);