{% for field, label in fields %}
    <th class="cell-{{field}}">
        <a ng-click="sort('{{field}}')">
            {{label}}
            <span ng-if="sorting.field == '{{field}}'" class="pull-right">
                <span ng-show="sorting.reverse" class="glyphicon glyphicon-chevron-up fa fa-chevron-up"></span>
                <span ng-hide="sorting.reverse" class="glyphicon glyphicon-chevron-down fa fa-chevron-down"></span>
            </span>
        </a>
    </th>
{% endfor %}