<select class="form-control api4-operator" ng-model="$ctrl.clause[$ctrl.offset]" ng-change="$ctrl.changeClauseOperator()" >
  <option ng-repeat="(name, label) in $ctrl.getOperators()" value="{{:: name }}">{{:: label }}</option>
</select>
<div class="form-group" ng-if="$ctrl.operatorTakesInput()">
  <input af-gui-field-value="$ctrl.field" ng-model="$ctrl.getSetValue" op="$ctrl.clause[$ctrl.offset]" ng-model-options="{getterSetter: true}" class="form-control">
</div>
