shutdowndialog.java

aglet的部分源码

package com.ibm.aglets.tahiti;

/*
 * @(#)ShutdownDialog.java
 * 
 * IBM Confidential-Restricted
 * 
 * OCO Source Materials
 * 
 * 03L7246 (c) Copyright IBM Corp. 1996, 1998
 * 
 * The source code for this program is not published or otherwise
 * divested of its trade secrets, irrespective of what has been
 * deposited with the U.S. Copyright Office.
 */

import com.ibm.aglet.InvalidAgletException;
import com.ibm.aglet.AgletProxy;

import java.awt.Button;
import java.awt.Label;

import java.awt.event.WindowEvent;

/**
 * ShutdownDialog
 * 
 * @version     1.05    96/10/01
 * @author	Mitsuru Oshima
 */

final class ShutdownDialog extends TahitiDialog {

	/*
	 * Singleton instance reference.
	 */
	private static ShutdownDialog _instance = null;

	/**
	 * Shutdown
	 */
	private Button _OKButton = null;
	/**
	 * Reboot
	 */
	private Button _RebootButton = null;

	/*
	 * Constructs
	 */
	private ShutdownDialog(MainWindow parent) {
		this(parent, "OK?");
	}
	/*
	 * 
	 */
	/* package protected */
	ShutdownDialog(MainWindow parent, String msg) {
		super(parent, "Shutdown Server", true);

		add("North", new Label("Shutdown Server", Label.CENTER));
		add("Center", new Label(msg, Label.CENTER));

		addOKButton("OK");
		addRebootButton("Reboot");
		addCloseButton("Cancel");
	}
	protected void addOKButton(String name) {
		if (name == null) {
			name = "OK";
		} 
		class ShutdownListener extends ActionAndKeyListener {
			ShutdownDialog shutdownDialog = null;

			ShutdownListener(ShutdownDialog dialog) {
				shutdownDialog = dialog;
			}
			protected void doAction() {
				shutdownDialog.dispose();
				shutdownDialog.getMainWindow().shutdown();
			} 
		}
		ActionAndKeyListener listener = new ShutdownListener(this);

		_OKButton = addButton(name, listener, listener);
	}
	protected void addRebootButton(String name) {
		if (name == null) {
			name = "Reboot";
		} 
		class RebootListener extends ActionAndKeyListener {
			ShutdownDialog shutdownDialog = null;

			RebootListener(ShutdownDialog dialog) {
				shutdownDialog = dialog;
			}
			protected void doAction() {
				shutdownDialog.dispose();
				shutdownDialog.getMainWindow().reboot();
			} 
		}
		ActionAndKeyListener listener = new RebootListener(this);

		_RebootButton = addButton(name, listener, listener);
	}
	/*
	 * Singletion method to get the instnace
	 */
	static ShutdownDialog getInstance(MainWindow parent) {
		if (_instance == null) {
			_instance = new ShutdownDialog(parent);
		} 
		return _instance;
	}
	public boolean windowClosing(WindowEvent ev) {
		return false;
	}
}