Start
http://jsfiddle.net/eu81273/8LWUc/18/
https://github.com/wix/angular-tree-control
http://jsfiddle.net/brendanowen/uXbn6/8/
http://www.lidorsystems.com/support/articles/angularjs/treeview/tree-view-add-remove.aspx
http://jsfiddle.net/gavinfoley/fZ5qF/ !!!http://jsfiddle.net/eu81273/vL4TJ/