jquery-mjs-nestedSortable-rails

https://github.com/MichaelSp/jquery.mjs.nestedSortable-rails

Features Designed to work seamlessly with the nested set model (have a look at the toArray method) Items can be sorted in their own list, moved across the tree, or nested under other items. Sublists are created and deleted on the fly All jQuery Sortable options, events and methods are available It is possible to define elements that will not accept a new nested item/list and a maximum depth for nested items The root level can be protected