FileTree.java 文件源码

/** Construct a FileTree */
 public FileTree(File dir) {
   setLayout(new BorderLayout());
   applyComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
   setBorder(null);

   // Make a tree list with all the nodes, and make it a JTree
   JTree tree = new JTree(addNodes(null, dir));
   tree.applyComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);

   // Add a listener
   tree.addTreeSelectionListener(new TreeSelectionListener() {
     public void valueChanged(TreeSelectionEvent e) {
       DefaultMutableTreeNode node = (DefaultMutableTreeNode) e
           .getPath().getLastPathComponent();
     }
   });

   add(BorderLayout.CENTER, tree);

   JScrollPane scrollBarExplorer = new JScrollPane();
   scrollBarExplorer.getViewport().add(tree);
   scrollBarExplorer.setBorder(null);
add(scrollBarExplorer, BorderLayout.CENTER);

 }