tree menu componentState

[safa]

Hi,

I want to save the state of my tree menu when I click on its nodes and rendred to another page,
I'm searching for a solution since 5 days and i found two solution:
the first is using adviceNodeOpened
the second is using componentState, and I prefer to use this one, but can't inderstand how exactly it work,

Can anybody explain my how to use it??
I really need your help :(((

[roniraja]

you can keep the state of the tree in a stateful bean with required scope (session, e.g.).

The rich:tree component offers componentState tag, which you have to bound with according getter/setter-methods of the statful bean. Then the state should be kept across pages.