<!-- downloadForm is added to later trigger the download popup-->
<form class="hidden" id="downloadForm" action="#"></form>
<button type="button" class="btn btn-default btn-xs" ng-click="downloadAllAsZip()" ng-disabled="tmpSelectedNodes.length <= 0"
        title="{{ 'common.directive.downloadAllAsZip.button' | translate}}">
    <i class="fa fa-circle-o-notch fa-spin" ng-if="downloadInProgress"></i>
    <i class="fa fa-lg fa-download" ng-if="!downloadInProgress"></i>
</button>