Every action on node is done with RpcController. ContextMenu, Dnd on.

	Create
	Remove
	Up
	Down
	Edit
	Refresh children

firstTree

Item 1

Item 1.1

Item 1.2

Item 1.2.1

Item 1.2.2

Can't add child to this node

Infinite folder

Item 1.3.2

Item 1.4

Item 1.4.1

Can't move this node