mylistcellrenderer.java

本代码是基于J2EE的一个简单QQ聊天程序 其功能实现表情 即时消息 在线发布订阅

package qq.client.panel;

import java.awt.Component;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

public class MyListCellRenderer extends JLabel implements ListCellRenderer {
	private static final long serialVersionUID = 15512L;

	public Component getListCellRendererComponent(JList list, Object value,
			int index, boolean isSelected, boolean cellHasFocus) {
		if (value instanceof String) {
			ImageIcon icon = new ImageIcon("qq/images/head/" + value + ".jpeg");
			if (icon != null) {
				this.setIcon(icon);
				this.setDisplayedMnemonic(Integer.parseInt(value.toString()));
			} 
		}
		return this;
	}

}