// HELPERS
public SelectItem[] getDriverOptions() {
List<Driver> drivers = dm.getFreeDrivers();
List<Driver> freeDrivers = new ArrayList<Driver>();
if (historiesForDate.isEmpty()) {
SelectItem[] items = new SelectItem[drivers.size()];
int i = 0;
for (Driver d : drivers) {
items[i++] = new SelectItem(d.getId().toString(), d.toString());
}
return items;
} else {
boolean isFree = true;
for (Driver d : drivers) {
for (History his : historiesForDate) {
if (d.getId().equals(his.getDriver().getId())) {
isFree = false;
break;
}
}
if (isFree) {
freeDrivers.add(d);
} else isFree = true;
}
SelectItem[] items = new SelectItem[freeDrivers.size()];
int i = 0;
for (Driver d : freeDrivers) {
items[i++] = new SelectItem(d.getId().toString(), d.toString());
}
return items;
}
}
