Tab.java 文件源码

private void scrollNodeToVisible( final Node n ) {
    EventQueue.invokeLater(new Runnable() {

        @Override
        public void run() {
            TreeNode tn = Visualizer.findVisualizer(n);
            if (tn == null) {
                return;
            }
            TreeModel model = tree.getModel();
            if (!(model instanceof DefaultTreeModel)) {
                return;
            }
            TreePath path = new TreePath(((DefaultTreeModel) model).getPathToRoot(tn));
            if( null == path )
                return;
            Rectangle r = tree.getPathBounds(path);
            if (r != null) {
                tree.scrollRectToVisible(r);
            }
        }
    });
}