function showModal(viewOptions) {
if (modalOpen) {
log.warn("Modal already open, ignoring request to open another.");
return Promise.reject();
}
if (!modalRegion) {
initialize();
}
var modalView = new ModalView(viewOptions);
modalRegion.show(modalView);
return modalView.okDeferred.promise;
}
.catch(function () {
log.warn("Blocked routing of '" + actualFragment + "'.");
});