this.addStyleName(StaticResourceBundle.INSTANCE.coreCss().active());
String jsonRequest = StreamJsonRequestFactory.addRecipient(EntityType.GROUP, group.getShortName(),
StreamJsonRequestFactory.getEmptyRequest()).toString();
Session.getInstance().getEventBus().notifyObservers(new StreamRequestEvent(group.getName(), jsonRequest));
Session.getInstance().getEventBus()
.notifyObservers(new ChangeShowStreamRecipientEvent(ShowRecipient.RESOURCE_ONLY));
Session.getInstance().getEventBus().notifyObservers(new SwitchedToGroupStreamEvent(group));
}