default: "<div class=\"btn-group dropup\">\n <button class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\" aria-expanded=\"false\">\n <span class=\"gmf-mouseposition-control-target\"></span>\n </button>\n <ul class=\"dropdown-menu dropdown-menu-right\" role=\"menu\">\n <li class=\"dropdown-header\" translate>Coordinate systems</li>\n <li ng-repeat=\"projitem in ::ctrl.projections\">\n <a href ng-click=\"ctrl.setProjection(projitem)\">\n <span class=\"fa-solid fa-fw\" ng-class=\"{'fa-check': ctrl.projection == projitem}\"></span>\n {{::projitem.label}}\n </a>\n </li>\n </ul>\n</div>"