OpenSlides/openslides/core/static/templates/projector-button.html

<div class="btn-group" style="min-width:{{ projectors.length > 1 ? '54' : '34' }}px;" uib-dropdown
  uib-tooltip="{{ 'Projector' | translate }} {{ model.isProjected(arg)[0] || '' }}"
  tooltip-enable="model.isProjected(arg).length"
  os-perms="core.can_manage_projector">
  <button type="button" class="btn btn-default btn-sm"
    ng-click="model.project(defaultProjectorId, arg)"
    ng-class="{ 'btn-primary': inArray(model.isProjected(arg), defaultProjectorId) }">
    <i class="fa fa-video-camera"></i>
    {{ content }}
  </button>
  <button type="button" class="btn btn-default btn-sm slimDropDown"
    ng-class="{ 'btn-primary': (model.isProjected(arg).length && !inArray(model.isProjected(arg), defaultProjectorId)) }"
    ng-if="projectors.length > 1"
    uib-dropdown-toggle>
    <span class="caret"></span>
  </button>
  <ul class="dropdown-menu" ng-if="projectors.length > 1">
    <li role="menuitem" ng-repeat="projector in projectors">
      <a href="" ng-click="model.project(projector.id, arg)"
        ng-class="{ 'projected': inArray(model.isProjected(arg), projector.id) }">
        <i class="fa fa-video-camera" ng-show="inArray(model.isProjected(arg), projector.id)"></i>
        {{ projector.name | translate }}
        <span ng-if="defaultProjectorId == projector.id">(<translate>Default</translate>)</span>
      </a>
    </li>
  </ul>
</div>