PBO 4
muhammad rafi budi purnama
5025221307
PBO 4
Pada tugas 4 kita akan membuat sebuah jam yang memiliki tampilan. Implementasi pada bahasa Java adalah seperti berikut
gambar diatas adalah class diagram nya. Implementasi setiap class ditunjukkan seperti berikut
Clock
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
public class DigitalClockGUI {
private ClockDisplay clockDisplay;
private JFrame frame;
private JLabel timeLabel;
private JLabel dateLabel;
private JButton startButton;
private JButton stopButton;
private JButton stepButton;
private Timer timer;
private boolean isRunning;
public DigitalClockGUI() {
clockDisplay = new ClockDisplay();
createGUI();
updateDisplay();
}
public DigitalClockGUI(int hour, int minute, int second, int day, int month, int year) {
clockDisplay = new ClockDisplay(hour, minute, second);
createGUI();
updateDisplay();
}
private void createGUI() {
// Create main frame
frame = new JFrame("CloudDisplay");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.setSize(400, 300);
// Create main panel with dark background
JPanel mainPanel = new JPanel();
mainPanel.setLayout(new BorderLayout());
mainPanel.setBackground(new Color(30, 30, 50));
mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
// Time display (large digital font)
timeLabel = new JLabel("", JLabel.CENTER);
timeLabel.setFont(new Font("Digital-7", Font.BOLD, 48));
timeLabel.setForeground(new Color(0, 255, 255)); // Cyan color
timeLabel.setBackground(new Color(20, 20, 40));
timeLabel.setOpaque(true);
timeLabel.setBorder(BorderFactory.createLineBorder(new Color(0, 150, 150), 2));
// Date display
dateLabel = new JLabel("", JLabel.CENTER);
dateLabel.setFont(new Font("Arial", Font.PLAIN, 18));
dateLabel.setForeground(Color.WHITE);
// Control buttons panel
JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new FlowLayout());
buttonPanel.setBackground(new Color(30, 30, 50));
// Start Button
startButton = new JButton("Start");
startButton.setFont(new Font("Arial", Font.BOLD, 14));
startButton.setBackground(new Color(0, 150, 0));
startButton.setForeground(Color.WHITE);
startButton.addActionListener(e -> startClock());
// Stop Button
stopButton = new JButton("Stop");
stopButton.setFont(new Font("Arial", Font.BOLD, 14));
stopButton.setBackground(new Color(150, 0, 0));
stopButton.setForeground(Color.WHITE);
stopButton.addActionListener(e -> stopClock());
// Step Button
stepButton = new JButton("Step");
stepButton.setFont(new Font("Arial", Font.BOLD, 14));
stepButton.setBackground(new Color(0, 100, 200));
stepButton.setForeground(Color.WHITE);
stepButton.addActionListener(e -> stepClock());
// Add buttons to panel
buttonPanel.add(startButton);
buttonPanel.add(stopButton);
buttonPanel.add(stepButton);
// Add components to main panel
mainPanel.add(timeLabel, BorderLayout.CENTER);
mainPanel.add(dateLabel, BorderLayout.NORTH);
mainPanel.add(buttonPanel, BorderLayout.SOUTH);
frame.add(mainPanel);
// Create timer for clock updates (1 second interval)
timer = new Timer(1000, e -> {
clockDisplay.timeTick();
updateDisplay();
});
isRunning = false;
}
private void updateDisplay() {
// Update time display
timeLabel.setText(clockDisplay.getTime());
// Update date display (current date)
LocalDate currentDate = LocalDate.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd-MM-yyyy");
dateLabel.setText(currentDate.format(formatter));
}
private void startClock() {
if (!isRunning) {
timer.start();
isRunning = true;
startButton.setEnabled(false);
stopButton.setEnabled(true);
}
}
private void stopClock() {
if (isRunning) {
timer.stop();
isRunning = false;
startButton.setEnabled(true);
stopButton.setEnabled(false);
}
}
private void stepClock() {
clockDisplay.timeTick();
updateDisplay();
}
public void show() {
frame.setVisible(true);
}
// Method untuk testing di BlueJ
public static void testDigitalClock() {
DigitalClockGUI clock = new DigitalClockGUI(14, 36, 28, 16, 9, 2025);
clock.show();
}
public static void testCurrentTime() {
DigitalClockGUI clock = new DigitalClockGUI();
clock.show();
}
}
ClockDisplay
// ClockDisplay.java
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
public class ClockDisplay {
private NumberDisplay hours;
private NumberDisplay minutes;
private NumberDisplay seconds;
private String displayString;
public ClockDisplay() {
hours = new NumberDisplay(24);
minutes = new NumberDisplay(60);
seconds = new NumberDisplay(60);
updateDisplay();
}
public ClockDisplay(int hour, int minute, int second) {
hours = new NumberDisplay(24);
minutes = new NumberDisplay(60);
seconds = new NumberDisplay(60);
setTime(hour, minute, second);
}
public void setTime(int hour, int minute, int second) {
hours.setValue(hour);
minutes.setValue(minute);
seconds.setValue(second);
updateDisplay();
}
public void timeTick() {
seconds.increment();
if (seconds.getValue() == 0) {
minutes.increment();
if (minutes.getValue() == 0) {
hours.increment();
}
}
updateDisplay();
}
public String getTime() {
return displayString;
}
private void updateDisplay() {
displayString = hours.getDisplayValue() + ":" +
minutes.getDisplayValue() + ":" +
seconds.getDisplayValue();
}
public void printTime() {
System.out.println(displayString);
}
}
NumberDisplay
// NumberDisplay.java
public class NumberDisplay {
private int value;
private int limit;
public NumberDisplay(int rollOverLimit) {
this.limit = rollOverLimit;
this.value = 0;
}
public int getValue() {
return value;
}
public void setValue(int replacementValue) {
if (replacementValue >= 0 && replacementValue < limit) {
value = replacementValue;
}
}
public String getDisplayValue() {
if (value < 10) {
return "0" + value;
} else {
return "" + value;
}
}
public void increment() {
value = (value + 1) % limit;
}
}
Gambar diatas adalah hasil dari implementasi program clock-gui
Komentar
Posting Komentar