import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
public class DPanel extends JTree {
private static final long serialVersionUID = 1L;
DefaultTreeModel treeModel;
DefaultMutableTreeNode root;
DefaultMutableTreeNode atlas;
DefaultMutableTreeNode font;
DefaultMutableTreeNode music;
DefaultMutableTreeNode sound;
DefaultMutableTreeNode model;
DefaultMutableTreeNode skin;
root = new DefaultMutableTreeNode();
treeModel = new DefaultTreeModel(root);
for(File file: new File(Asset.basePath+"font").listFiles())
root.add(new DefaultMutableTreeNode(file.getName()));