Bug 184755 [DataBinding] internal tree content provider does not work
I broke the tree content providers while trying to update them to use TreePaths. It would be good to have a working implementation again...
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/internal/viewers/OrderedTreeContentProvider.java
private void addParent(TreePath parentPath, List children) {
		for (Iterator iter = children.iterator(); iter.hasNext();) {
			Object next = iter.next();
			OrderedTreeNode nextNode = getNode(parentPath.createChildPath(next));
			nextNode.addParent(parentPath);
		}
	}
	/**
	 * Returns the element that should be inserted into the tree when fetching
	 * the children of the node that is both stale and empty.
	 * 
	 * @return the element that should be inserted into the tree when fetching
	 *         the children of a node that is stale and empty
	 */
	public final Object getPendingNode() {
		return pendingNode;
	}
	/**
	 * Returns the IObservableList representing the children of the given node.
	 * Never null.
	 * 
	 * @param parent
	 *            parent element. Must be a valid node from the tree.
	 * @return the list of children of the given parent node
	 */
	public IObservableList getChildrenList(TreePath parent) {
		IObservableList result = getNode(parent).getChildrenList();
		return result;
	}
	public void dispose() {