interface/src/app/sampleBin/addItem.component.tpl.html
<button type="button" class="btn btn-default btn-sm"
ng-class="$ctrl.sb.hasItem($ctrl.item)?'disabled':''"
ng-click="$ctrl.sb.addItem($ctrl.item, $event)"
uib-tooltip="{{$ctrl.itemTooltip()}}"
tooltip-placement="left-top">
<i class="fa fa-plus" aria-hidden="true"></i> Add
</button>