app.directive('langChoice', [function () { //<lang-choice></lang-choice>
    return {
        restrict: 'E',
        template: '<div class="btn-group" style="margin-left: 10px;" uib-dropdown uib-keyboard-nav>' +
        '<button id="simple-btn-keyboard-nav" type="button" class="btn btn-primary" uib-dropdown-toggle>' +
        'Language: {{langChoice}} <span class="caret"></span>' +
        '</button>' +
        '<ul class="dropdown-menu" uib-dropdown-menu role="menu" aria-labelledby="simple-btn-keyboard-nav">' +
        '<li role="menuitem"><a ng-click="setLang(\'English\')">English</a></li>' +
        '<li class="divider"></li>' +
        '<li role="menuitem"><a ng-click="setLang(\'Spanish\')">Spanish</a></li>' +
        '</ul>' +
        '</div>'
    };
}]);