Demo:
angular-nestable 0.0.1
DESCRIPTION:
angular-nestable is a module for AngularJS that uses the jQuery nestable plugin to create multi-sortable lists with the ability to nest items within each other.
USAGE:
<div ng-nestable ng-model="items">
    <div>
        <!-- this element is the template for each menu item -->
        <!-- the $item is available on scope and is the reference to the menu item object -->
        {{$item}}
    </div>
</div>
Example items object structure:
[
    {
        item: {}, // this object will be referenced as the $item on scope
        children: []
    },
    {
        item: {},
        children: [
            {
                item: {},
                children: []
            }
        ]
    },
    {
        item: {},
        children: []
    }
]
Each nestable element in the DOM gets it's own non-isolated scope just like with ng-repeat.
Also the options object can be passed to the directive as the ng-nestable attribute. Those options will be passed to the jQuery nestable function when creating a nestable.
The module also exposes a $nestableProvider that can be injected into a config block. It provides two methods:
- 
$nestableProvider.modelName(str)- can be used to set the model name variable inside each nestable element. The default value of model name is$item. - 
$nestableProvider.defaultOptions(obj)- can be used to set some default options for the nestable jquery plugin. Those options include the following: (extract from the jQuery nestable readme)maxDepth : number of levels an item can be nested (default 5) group : group ID to allow dragging between lists (default 0) listNodeName : The HTML element to create for lists (default 'ol') itemNodeName : The HTML element to create for list items (default 'li') rootClass : The class of the root element .nestable() was used on (default 'dd') listClass : The class of all list elements (default 'dd-list') itemClass : The class of all list item elements (default 'dd-item') dragClass : The class applied to the list element that is being dragged (default 'dd-dragel') handleClass : The class of the content element inside each list item (default 'dd-handle') collapsedClass : The class applied to lists that have been collapsed (default 'dd-collapsed') placeClass : The class of the placeholder element (default 'dd-placeholder') emptyClass : The class used for empty list placeholder elements (default 'dd-empty') expandBtnHTML : The HTML text used to generate a list item expand button (default '<button data-action="expand">Expand></button>') collapseBtnHTML : The HTML text used to generate a list item collapse button (default '<button data-action="collapse">Collapse</button>') 
Also note that the ng-sortable directive uses ngModelController to read and write to the provided model object and is fully compliant with $formatters and $parsers.