Fig. 1
Main menu configuration:
- Main items(Fig.1) - for listing and viewing/adding/updating main menu items in DB
- Add menu item(Fig.2) - for adding new menu items to DB



Fig. 2
Main menu tree.
- for edit menu item;
- for delete menu item;
- for move item to other sub-menu;
- for add new sub-menu to this one.
For adding new menu item you can also click to "Add new menu item" link, locates in the bottom of tree



Fig. 3
Adding new menu item or updating existing one. If you want return to tree of main menu without save changes you can click to "Return to menu tree".