private void fillFieldCars(JComboBox<String> cars) {
String previousCar = null;
for (Car car : shop.getCars()) {
String carName = car.getManufacturer() + " " + car.getModel();
if (!carName.equals(previousCar)) {
cars.addItem(carName);
}
previousCar = carName;
}
}
private Car getCarFromStorage(JComboBox<String> cars, JComboBox<EngineKind> engine) {
String carName = cars.getItemAt(cars.getSelectedIndex());
Car car = null;
for (Car carr : shop.getCars()) {
if ((carr.getManufacturer() + " " + carr.getModel()).equals(carName)
&& carr.getEngineKind().equals(engine.getItemAt(engine.getSelectedIndex()))) {
car = carr;
}
}
return car;
}