// JavaProject TrafficLightSystem
// TrafficLightSystem.java
import java.awt.*;
import javax.swing.JFrame;
class CFrame extends JFrame {
private static final long serialVersionUID = 0L;
Image icon;
ControlBox controlbox;
TrafficLight tl1;
TrafficLight tl2;
public CFrame() {
setTitle("Ampelanlage");
icon = Toolkit.getDefaultToolkit().getImage("dh.png");
setIconImage(icon);
setSize(349, 301);
getContentPane().setBackground(new Color(240, 240, 240));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
setResizable(false);
setLayout(null);
tl1 = new TrafficLight(20, 20);
tl2 = new TrafficLight(100, 20);
add(tl1);
add(tl2);
controlbox = new ControlBox(tl1, tl2);
add(controlbox);
setVisible(true);
}
}
public class TrafficLightSystem {
public static void main(String[] args) {
new CFrame();
}
}
// ControlBox.java
import java.awt.*;
import javax.swing.*;
public class ControlBox extends JPanel implements Runnable {
private static final long serialVersionUID = 0L;
JButton b_normal;
JProgressBar waitingbar;
JSlider slider;
JButton b_danger;
JButton b_emergency;
JButton b_off;
Color bgcol = new Color(200, 200, 200);
Thread thread;
boolean running;
boolean normalrun;
TrafficLight tl1, tl2;
int period = 40; // Umlaufzeit = 40 Sekunden
int greentime = 14; // aktuelle Grünphase von tl1 in Sekunden
enum Mode {START, NORMAL, DANGER, EMERGENCY, OFF};
Mode mode;
ControlBox(TrafficLight tl1, TrafficLight tl2) {
this.tl1 = tl1;
this.tl2 = tl2;
setBounds(172, 100, 140, 162);
setBackground(bgcol);
setBorder(BorderFactory.createMatteBorder(12, 12, 12, 12, bgcol));
setLayout(new GridLayout(6, 1, 8, 8));
b_normal = new JButton("Normalbetrieb");
add(b_normal);
waitingbar = new JProgressBar();
waitingbar.setBackground(Color.WHITE);
waitingbar.setStringPainted(true);
waitingbar.setMinimum(0);
add(waitingbar);
slider = new JSlider(8, 29, 14);
add(slider);
b_danger = new JButton("Gefahr");
add(b_danger);
b_emergency = new JButton("Notfall");
add(b_emergency);
b_off = new JButton("Aus");
add(b_off);
mode = Mode.OFF;
waitingbar.setString("OFF");
thread = new Thread(this);
thread.start();
running = true;
normalrun = false;
b_normal.addActionListener(e -> runInNormalMode());
slider.addChangeListener(e -> changePhase());
b_danger.addActionListener(e -> runInDangerMode());
b_emergency.addActionListener(e -> runInEmergencyMode());
b_off.addActionListener(e -> switchOff());
}
private void normalwait(int sec) {
int tmax = 800*sec;
waitingbar.setMaximum(100);
for (int t=0; t<tmax; t++) {
try {
if (normalrun) waitingbar.setValue((int) (100*(tmax-t)/tmax));
if (normalrun) Thread.sleep(1);
}
catch (InterruptedException e) { }
}
}
private void wait(int sec) {
try {
Thread.sleep(sec*1000);
}
catch (InterruptedException e) { }
}
private void setPhase(String ph1, String ph2) {
tl1.setPhase(ph1);
tl2.setPhase(ph2);
tl1.repaint();
tl2.repaint();
}
private void changePhase() {
greentime = slider.getValue();
}
private void runInEmergencyMode() {
waitingbar.setString("EMERGENCY");
normalrun = false;
waitingbar.setValue(0);
mode = Mode.EMERGENCY;
}
private void runInNormalMode() {
waitingbar.setString("");
normalrun = true;
mode = Mode.START;
}
private void runInDangerMode() {
waitingbar.setString("DANGER");
normalrun = false;
waitingbar.setValue(0);
mode = Mode.DANGER;
}
private void switchOff() {
waitingbar.setString("OFF");
normalrun = false;
waitingbar.setValue(0);
mode = Mode.OFF;
}
@Override
public void run() {
while (running) {
while ((normalrun)&&(mode == Mode.START)) {
if (normalrun) setPhase("red", "red");
if (normalrun) waitingbar.setForeground(tl1.red);
if (normalrun) normalwait(3);
if (normalrun) setPhase("red", "red_yellow");
if (normalrun) wait(2);
if (normalrun) setPhase("red", "green");
if (normalrun) waitingbar.setForeground(tl1.red);
if (normalrun) normalwait(4);
if (normalrun) mode = Mode.NORMAL;
}
while ((normalrun)&&(mode == Mode.NORMAL)) {
if (normalrun) setPhase("red_yellow", "yellow");
if (normalrun) wait(3);
if (normalrun) setPhase("green", "red");
if (normalrun) waitingbar.setForeground(tl1.green);
if (normalrun) normalwait(greentime);
if (normalrun) setPhase("yellow", "red_yellow");
if (normalrun) wait(3);
if (normalrun) setPhase("red", "green");
if (normalrun) waitingbar.setForeground(tl1.red);
if (normalrun) normalwait(period-greentime);
}
while (mode == Mode.DANGER) {
setPhase("yellow", "yellow");
wait(1);
setPhase("off", "off");
wait(1);
}
while (mode == Mode.EMERGENCY) {
setPhase("red", "red");
wait(1);
}
while (mode == Mode.OFF) {
setPhase("off", "off");
wait(1);
}
}
}
}
// TrafficLight.java
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.awt.geom.Ellipse2D;
import javax.swing.*;
public class TrafficLight extends JPanel {
private static final long serialVersionUID = 0L;
BasicStroke stroke;
Shape post;
Shape lightbox;
Shape lighttop;
Shape lightmiddle;
Shape lightbottom;
Color colortop;
Color colormiddle;
Color colorbottom;
Color red = new Color(255, 5, 15);
Color yellow = new Color(248, 187, 56);
Color green = new Color(2, 192, 2);
Color red_dark = new Color(31, 21, 21);
Color yellow_dark = new Color(47, 45, 41);
Color green_dark = new Color(19, 25, 19);
public TrafficLight(int x, int y) {
setBounds(x, y, 39, 281);
setBackground(new Color(240, 240, 240));
stroke = new BasicStroke(1.0f);
lightbox = new Rectangle2D.Float(1, 1, 37, 100);
post = new Rectangle2D.Float(17, 100, 7, 181);
lighttop = new Ellipse2D.Float(7, 7, 26, 26);
lightmiddle = new Ellipse2D.Float(7, 38, 26, 26);
lightbottom = new Ellipse2D.Float(7, 70, 26, 26);
colortop = red_dark;
colormiddle = yellow_dark;
colorbottom = green_dark;
setVisible(true);
}
private void defineRendering(Graphics2D g) {
RenderingHints rh;
rh = new RenderingHints (
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON
);
g.setRenderingHints(rh);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g.create();
defineRendering(g2d);
g2d.setPaint(Color.DARK_GRAY);
g2d.fill(post);
g2d.setPaint(new Color(5, 5, 5));
g2d.fill(lightbox);
g2d.setPaint(Color.BLACK);
g2d.setStroke(stroke);
g2d.draw(lightbox);
g2d.setPaint(colortop);
g2d.fill(lighttop);
g2d.setPaint(colormiddle);
g2d.fill(lightmiddle);
g2d.setPaint(colorbottom);
g2d.fill(lightbottom);
}
protected void setPhase(String ph) {
switch(ph) {
case "red":
colortop = red;
colormiddle = yellow_dark;
colorbottom = green_dark;
break;
case "red_yellow":
colortop = red;
colormiddle = yellow;
colorbottom = green_dark;
break;
case "green":
colortop = red_dark;
colormiddle = yellow_dark;
colorbottom = green;
break;
case "yellow":
colortop = red_dark;
colormiddle = yellow;
colorbottom = green_dark;
break;
case "off":
colortop = red_dark;
colormiddle = yellow_dark;
colorbottom = green_dark;
break;
default:
colortop = red_dark;
colormiddle = yellow_dark;
colorbottom = green_dark;
}
}
}
Download TrafficLightSystem
