oggle"
              ng-if="node.children.length"
              ng-click="toggleOpen()">
        <span class="glyphicon"
           ng-class="{ 'glyphicon-menu-right' : !node.isOpen, 'glyphicon-menu-down' : node.isOpen }"></span>
      </button>

      <button class="btn btn-link btn-control-link btn-control remove"
              ng-click="deselect($event)">
        <span class="glyphicon glyphicon-remove"></span>
      </button>

      <span class="{{ symbolIconName(node.activityType) }}"
            uib-t