<a ng-if="action.state && !action.params && !action.href && !action.callback"
       ui-sref="{{ action.state }}">
         {{ action.label }}
    </a>
    <a ng-if="action.state && action.params && !action.href && !action.callback"
       ng-click="$ctrl.stateGo(action.state, action.params)">
         {{ action.label }}
    </a>
    <a ng-if="action.href && !action.params && !action.state && !action.callback"
       ng-href="{{ action.href }}">
         {{ action.label }}
    </a>
    <a ng-if="action.callback && !action.params && !action.state && !action.href"
       ng-click="action.callback()">
         {{ action.label }}
    </a>