helpaction.java

一个简易的java画图软件

package app.action;

import java.awt.event.ActionEvent;

import javax.swing.JOptionPane;

import app.Application;

/**
 * 帮助菜单的菜单项的Action的基类
 * 
 * @author Thihy
 * 
 */
public abstract class HelpAction extends PaintAction {
	public HelpAction() {
		this(null);
	}

	public HelpAction(String id) {
		super(id);
	}

	/**
	 * 关于本程序
	 * 
	 * @author Thihy
	 * 
	 */
	public static class AboutAction extends FileAction {
		public AboutAction() {
			super("AboutAction");
			setEnabled(true);
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			JOptionPane.showMessageDialog(app, Application.ABOUT_APP, "关于"
					+ Application.APPNAME, JOptionPane.INFORMATION_MESSAGE);
		}
	}
}