addButton(event.getBlip());
break;
case BLIP_SUBMITTED:
if (!isRoot(currentBlip, wavelet)) {
String text = currentBlip.getDocument().getText();
wavelet.appendBlip().getDocument().append("[echo] " + text);
}
break;
case WAVELET_PARTICIPANTS_CHANGED:
for (String participant : event.getAddedParticipants()) {
if (!participant.equals(BOT_NAME) &&