Initially we want the main tree view panel to automatically scroll to be centred. This may be changed once we see what a large tree actually looks like in the page.
Centering the scroll instead of scroll snapping, which is a different thing. The maximum scroll amount is the difference between the child and parent, so half-way is half their difference.
Initially we want the main tree view panel to automatically scroll to be centred. This may be changed once we see what a large tree actually looks like in the page.