Class Quitter

java.lang.Object
  |
  +--java.awt.event.WindowAdapter
        |
        +--Quitter

public class Quitter

extends java.awt.event.WindowAdapter

implements java.awt.event.ActionListener

a quitting class, used when windows are closed or quit menu item chosen (or any other quit action event)

pattern: uses singleton for one instance per program

inheritance: subclasses can override doQuit() for application-specific cleanup

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e)
protected void	doQuit() the function called for any quit event, e.g., window closing or quit menu item for chosen
static Quitter	getInstance()
void	windowClosing(java.awt.event.WindowEvent e)

Methods inherited from class java.awt.event.WindowAdapter

windowActivated, windowClosed, windowDeactivated, windowDeiconified, windowIconified, windowOpened

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static Quitter getInstance()

windowClosing

public void windowClosing(java.awt.event.WindowEvent e)

Overrides:

windowClosing in class java.awt.event.WindowAdapter

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

Specified by:

actionPerformed in interface java.awt.event.ActionListener

doQuit

protected void doQuit()

the function called for any quit event, e.g., window closing or quit menu item for chosen