myjmenuitem.java

来自「GPRS数据通讯软件源码」· Java 代码 · 共 48 行

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package documenteditor;

import java.awt.Color;
import javax.swing.Icon;
import javax.swing.JMenuItem;

/**
 *
 * @author Administrator
 */
public class MyJMenuItem extends JMenuItem{
    
    private JMenuItem self = null;
    
    private Color oldBack = null;
    
    public MyJMenuItem(){        
        super(null,(Icon)null);
        oldBack = this.getBackground();
        self = this;
        addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
            @Override
            public void mouseMoved(java.awt.event.MouseEvent evt) {
                self.setBackground(Color.BLUE);
                self.setForeground(Color.WHITE);
            }
        });
        addMouseListener(new java.awt.event.MouseAdapter() {
            @Override
            public void mouseExited(java.awt.event.MouseEvent evt) {
                self.setBackground(oldBack);
                self.setForeground(Color.BLACK);
            }
        });
    }
    
    public void Huanyuan(){
        self.setBackground(oldBack);
        self.setForeground(Color.BLACK);
    }
    
}