// start button
public void actionPerformedStart(ActionEvent ae) {
System.out.println("Start button clicked");
// start the supermarket
// simulation = new Simulator();
if (simulation.isDone()) {
System.out.println("Run another time???");
} else if (simulation.getState() == StateValue.STARTED) {
System.out.println("Simulation is running, close and start a new one?");
} else {
simulation.execute();
}
}
// stop button
public void actionPerformedStop(ActionEvent ae) {
System.out.println("Stop button clicked");
simulation.stop();
}