public void onResourceSetRemoved(ResourceSetRemovedEvent e) {
ResourceSet resources = e.getResourceSet();
selectionPresenter.removeResourceSet(resources);
}
});
selectionModel.addEventHandler(new ResourceSetActivatedEventHandler() {
@Override
public void onResourceSetActivated(ResourceSetActivatedEvent e) {
ResourceSet resources = e.getResourceSet();
selectionPresenter.setSelectedResourceSet(resources);
}