其實它就只是一個窗口類
即public Frame(String title) throws HeadlessException
下面貼出它的原代碼
package org.jfree.ui;
import Java.awt.event.WindowEvent;
import Java.awt.event.WindowListener;
import Javax.swing.JFrame;
/**
* A base class for creating the main frame for simple applications. The frame listens for
* window closing events, and responds by shutting down the JVM. This is OK for small demo
* applications...for more serious applications, you'll want to use something more robust.
*
* @author David Gilbert
*/
public class ApplicationFrame extends JFrame implements WindowListener {
/**
* Constructs a new application frame.
*
* @param title the frame title.
*/
public ApplicationFrame(final String title) {
super(title);
addWindowListener(this);
}
/**
* Listens for the main window closing, and shuts down the application.
*
* @param event information about the window event.
*/
public void windowClosing(final WindowEvent event) {
if (event.getWindow() == this) {
dispose();
System.exit(0);
}
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the
window event.
*/
public void windowClosed(final WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
public void windowActivated(final WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
public void windowDeactivated(final WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
public void windowDeiconifIEd(final WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
public void windowIconifIEd(final WindowEvent event) {
// ignore
}
/**
* Required for WindowListener interface, but not used by this class.
*
* @param event information about the window event.
*/
public void windowOpened(final WindowEvent event) {
// ignore
}
}
