stefaneg

.directive('addClassToHeaderOnHover', function(){
        return function(scope, element, attrs){
            var classname = element.attr('add-class-to-header-on-hover');
            element.mouseenter(function(){
                var idx = element.index() + 1;
                var $htd = element.parents('table').find('thead td:nth-child(' + idx + ')');
                $htd.addClass(classname);
            });

            element.mouseleave(function(){