Script Java

7.2 Graphics
}
public UserFrame() {
Button button;
setTitle("Clock");
setLayout(null);
setSize(200,260);
setResizable(false);
place(new Label("Time:"),60,150,80,20);
place(text=new TextField(),60,170,80,20);
place(button=new Button("SET"),60,200,30,20);
button.addActionListener(this);
place(button=new Button("+"),95,200,20,20);
button.addActionListener(this);
place(button=new Button("-"),120,200,20,20);
button.addActionListener(this);
time = new Time();
text.setText(time.toString());
text.requestFocus();
setVisible(true);
}
public void paint(Graphics g) {
time.draw(g,60,40,40);
}
}
public void actionPerformed(ActionEvent event){
//set time to current time:
if (event.getActionCommand().equals("SET")) {
Calendar date = Calendar.getInstance();
time.setTime
(date.get(Calendar.HOUR_OF_DAY),date.get(Calendar.MINUTE));
//increment time by one minute:
} else if (event.getActionCommand().equals("+")) {
time.increment(1);
//decrement time by one minute:
} else if (event.getActionCommand().equals("-")) {
time.increment(-1);
}
text.setText(time.toString());
repaint();
}
public class TestProg {
public static void main(String[] args) {new UserFrame();}
}
7.2.1 Zum Programm
Abbildung 7-2 illustriert die gleichzeitig digitale als auch analoge Darstellung der Uhr.
Hierzu wird die in der Klasse Time neu deklarierte Methode draw() verwendet, welche
172