checkboxlistlistener.java

简单的QQ聊天。。服务器端可监视客户端上下线情况

package chat.list;

import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.Rectangle;
import javax.swing.JList;
public class CheckBoxListListener extends MouseAdapter{
     private JList list;
	public CheckBoxListListener(JList l){
		list=l;
	}
	
	 public void mouseClicked(MouseEvent e) {
		 
		  int index = list.locationToIndex(e.getPoint());
		  CheckBoxListNode select = (CheckBoxListNode)list.getModel().getElementAt(index);
          Rectangle rect = list.getCellBounds(index, index);
          list.repaint(rect);
		 
	 }
	
}