directives.js

// ...

angular.module('SvgMapApp').directive('region', [function () {
    return {
        restrict: 'A',
        scope: true,
        link: function (scope, element, attrs) {
            scope.elementId = element.attr("id");
            scope.regionClick = function () {
                alert(scope.elementId);
            };
        }
    }
}]);