<h4 class="bg-primary">Export an entertainment device from which room?</h4>

<form name="roomSelectionForm" submit-and-disable="doNext()" novalidate>
  <select-room ng-model="exportDevice" rooms="system.rooms" disable="true"></select-room>

  <div class="left-and-right">
    <a ui-sref="file-explorer.main" class="btn btn-primary btn-prev"><i class="fa fa-caret-left"></i> Back</a>
    <button class="btn btn-primary btn-next" type="submit" ng-disabled="roomSelectionForm.$invalid">Next</button>
  </div>
</form>