Vaadin gantt diagram add-on refresh problem


I just started using vaadin gantt diagram add-on.
Basically I’m displaying rows of data on the left side and I also need to update them when they are changed.
I attached itemClick listener to the gantt treeTable and the items in the table are updated via pop-up window. After all the updating a commit to the container is performed.

The problem is that the diagram doesn’t refresh it’s data after the update to the container is made. New values appear only after complete reload of the diagram window. I’ve already tried making calls to the diagram’s requestRepaint() and requestRepaintAll() methods but it still doesn’t work.

Any help is appreciated,
Thanks in advance.