render.java

来自「个人编写的即时网络通信软件」· Java 代码 · 共 27 行

import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
public class Render extends JLabel implements ListCellRenderer
{
    public Render()
    {
        setOpaque(true);
    }
    public Component getListCellRendererComponent(JList list, Object value, int index, 
            boolean isSelected, boolean cellHasFocus)
    {
        
        DefaultListModel model=(DefaultListModel)list.getModel();
        Object[] cell=(Object[])value;
        setIcon((Icon)cell[0]);
        setText((String)cell[1]);
        
        if(isSelected) 
            setBorder(BorderFactory.createLineBorder(Color.BLUE,2));
        else
            setBorder(BorderFactory.createEmptyBorder(2,2,2,2));
        return this;
    }
  
}