@Override
protected void doOnce() {
checkIfDataIsAlreadyAvailable();
closeAllViews();
DataPoolSettings settings = track2allData.getSettings();
int ret = JOptionPane.showConfirmDialog(null, tr.get(ID + ".question",
settings.getNumberOfDays(), settings.getTimeslotsPerDay()));
if (ret != JOptionPane.OK_OPTION)
return;
track2allData.changeSettings();
ApplicationWindow aw = getApplicationWindow();