GWT - Add and remove nodes in celltree

Question

Here I have an complete and very easy example to dynamically add/remove nodes to an celltree. My example is not working very well. It seems there is an refresh problem. Only

Answer 1

I think I may have licked the problem...

Essentially I've extended and subclasses many parts of CellTree and have obtained an almost perfect working example. Too complex to document here, but suffice to say the solution involved using a node class where I stored the data provider within each node.

https://code.google.com/p/updatable-cell-tree/