Method expandTree

app/src/processing/app/ui/ExamplesFrame.java:252–281

(JTree tree, Object object, String[] items,
                  DefaultMutableTreeNode[] nodes, int index)

  void expandTree(JTree tree, Object object, String[] items,
                  DefaultMutableTreeNode[] nodes, int index) {
//    if (object == null) {
//      object = model.getRoot();
//    }
    TreeModel model = tree.getModel();

    if (index == 0) {
      nodes[0] = (DefaultMutableTreeNode) model.getRoot();
      expandTree(tree, nodes[0], items, nodes, 1);

    } else if (index < items.length) {
//    String item = items[0];
//    TreeModel model = object.getModel();
//    System.out.println(object.getClass().getName());
      DefaultMutableTreeNode node = (DefaultMutableTreeNode) object;
      int count = model.getChildCount(node);
//    System.out.println("child count is " + count);
      for (int i = 0; i < count; i++) {
        DefaultMutableTreeNode child = (DefaultMutableTreeNode) model.getChild(node, i);
        if (items[index].equals(child.getUserObject())) {
          nodes[index] = child;
          expandTree(tree, child, items, nodes, index+1);
        }
      }
    } else {  // last one
//      PApplet.println(nodes);
      tree.expandPath(new TreePath(nodes));
    }
  }


  protected DefaultMutableTreeNode buildTree() {