Refresh the state of this treeCtrl based on it's children value. The call its parent to do the same.
Optional
opt_onChild: LayertreeControllerChild tree controller that had its state changed to 'on'.
Optional
opt_broadcast: booleanBroadcast.
Recursive method to traverse the layertree controller graph.
A visitor called for each node.
whether to stop traversing.
Generated using TypeDoc
Return the current state, calculate on all its children recursively.