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| 15. 1. 13. Event object has information about an event, that has happened. |
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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class EventObject {
public static void main(String[] args) {
JFrame f = new JFrame();
JButton ok = new JButton("Ok");
ok.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(event.getWhen());
Locale locale = Locale.getDefault();
String s = DateFormat.getTimeInstance(DateFormat.SHORT, locale).format(new Date());
if (event.getID() == ActionEvent.ACTION_PERFORMED)
System.out.println(" Event Id: ACTION_PERFORMED");
System.out.println(" Time: " + s);
String source = event.getSource().getClass().getName();
System.out.println(" Source: " + source);
int mod = event.getModifiers();
if ((mod & ActionEvent.ALT_MASK) > 0)
System.out.println("Alt ");
if ((mod & ActionEvent.SHIFT_MASK) > 0)
System.out.println("Shift ");
if ((mod & ActionEvent.META_MASK) > 0)
System.out.println("Meta ");
if ((mod & ActionEvent.CTRL_MASK) > 0)
System.out.println("Ctrl ");
}
});
f.add(ok);
f.setSize(420, 250);
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
}
}
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