folderrenderer.java

来自「一个网络上传下载器」· Java 代码 · 共 38 行

/*
 * FolderRenderer.java
 *
 * Created on 2007年11月23日, 下午4:20
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package TreeList;

import javax.swing.*;
import javax.swing.tree.*;
import java.awt.Component;

/**
 *  using this class to get the system icon
 * @author LiuYuyang
 */
class FolderRenderer extends DefaultTreeCellRenderer {
    
    private static final long serialVersionUID = 1L;
    
    @Override
    public Component getTreeCellRendererComponent(JTree tree, Object value,        
        boolean sel, boolean expanded, boolean leaf, int row,        
        boolean hasFocus) {        
        FolderNode node = (FolderNode) value;
        Icon icon = node.getIcon();
        
        setLeafIcon(icon);
        setOpenIcon(icon);
        setClosedIcon(icon);
        
        return super.getTreeCellRendererComponent(tree, value, sel, expanded,
            leaf, row, hasFocus);
    }
}