import java.awt.*;
import java.awt.event.*;
/**
* ClosableFrame
is a base class that obeys the
* windowClosing
event. It is intended that the
* student extend this class instead of Frame
.
*
* @see java.awt.Frame
* @see java.awt.event.WindowListener
*
* @author M. Dennis Mickunas
*/
public class ClosableFrame extends Frame implements WindowListener {
/**
* Class constructor, creating a frame that can respond to the
* "window closing" event; the frame will have a blank title.
*/
public ClosableFrame () {
this("");
}
/**
* Class constructor, creating a frame that can respond to the
* "window closing" event; the frame will have a specific title.
*
* @param title the specific title for this frame.
*/
public ClosableFrame (String title) {
super(title);
addWindowListener(this);
}
/**
* Cleans up the window, and terminates the program.
*
* @param e the specific WindowEvent
that occurred.
*/
public void windowClosing (WindowEvent e) {
dispose();
// System.exit(0);
}
/**
* Vacuous implementation.
*/
public void windowActivated (WindowEvent e) {}
/**
* Vacuous implementation.
*/
public void windowClosed (WindowEvent e) {}
/**
* Vacuous implementation.
*/
public void windowOpened (WindowEvent e) {}
/**
* Vacuous implementation.
*/
public void windowDeactivated (WindowEvent e) {}
/**
* Vacuous implementation.
*/
public void windowDeiconified (WindowEvent e) {}
/**
* Vacuous implementation.
*/
public void windowIconified (WindowEvent e) {}
}