Navigation and Edit with keyboard

There is the possibility to enable keyboard navigation using the enableKeyboardNavigation() method.
You can use default keys or set own keys. Try to assign new keys and then press 8 or 2 key to move up/down, 6 or 4 to open/close, 8 to call function for selected item.
There are also some keys for editing:
- Press F2 to edit selected item
- Press Enter to close editor
- Use Cursor keys to navigate

Enable navigation
Disable navigation
set custom keys - numeric keypad (2,4,5,6,8)

Select any item in tree and use next keys