http://tutorials.jenkov.com/angularjs/custom-directives.html

https://www.sitepoint.com/practical-guide-angularjs-directives/

http://www.jvandemo.com/the-nitty-gritty-of-compile-and-link-functions-inside-angularjs-directives/

Работа со scope директивы

https://www.tutorialspoint.com/angularjs/angularjs_custom_directives.htm