private void updateMenuStates() {
itemConnectAndJoin.setEnabled(modeClient == GuiClientMode.DISCONNECTED);
itemCreateJoinAndPlay.setEnabled(
modeClient == GuiClientMode.DISCONNECTED && modeServer == GuiServerMode.NO_SERVER);
itemCreateJoin.setEnabled(
modeClient == GuiClientMode.DISCONNECTED && modeServer == GuiServerMode.NO_SERVER);
itemObserve.setEnabled(modeClient == GuiClientMode.DISCONNECTED);
itemJoin.setEnabled(modeClient == GuiClientMode.MONITOR);
itemDisconnect.setEnabled(modeClient != GuiClientMode.DISCONNECTED);
itemCreateGame.setEnabled(modeClient == GuiClientMode.DISCONNECTED);
itemCreateServerLocal.setEnabled(modeServer == GuiServerMode.NO_SERVER);
itemCreateServer.setEnabled(modeServer == GuiServerMode.NO_SERVER);
itemShutdownServer.setEnabled(modeServer != GuiServerMode.NO_SERVER);
itemCreateGame.setEnabled(modeServer != GuiServerMode.NO_SERVER);
clientWhiteboard.setActionsEnabled(modeClient == GuiClientMode.PLAYING);
}
