app/modules/main/templates/mdtCardHeader.html
<div class="mdt-header" layout="row" layout-align="start center" ng-show="isTableCardEnabled">
<span flex>{{tableCard.title}}</span>
<!--
<md-button class="md-icon-button md-primary" aria-label="Filter">
<ng-md-icon icon="filter_list" size="24"></ng-md-icon>
</md-button>
<md-button class="md-icon-button md-primary" aria-label="More options">
<ng-md-icon icon="more_vert" size="24"></ng-md-icon>
</md-button>
-->
<!-- columnSelectorFeature -->
<md-button class="md-icon-button md-primary mdt-column-chooser-button"
aria-label="Choose columns"
ng-if="::columnSelectorFeature.isEnabled"
ng-click="handleColumnChooserButtonClick()">
<ng-md-icon icon="settings" size="24"></ng-md-icon>
</md-button>
<mdt-column-selector ng-if="columnSelectorFeature.isEnabled && columnSelectorFeature.isActive"></mdt-column-selector>
</div>