fab-manager/app/frontend/templates/admin/calendar/calendar.html

<section class="heading b-b">
  <div class="row no-gutter">
    <div class="col-xs-2 col-sm-2 col-md-1">
      <section class="heading-btn">
        <a ng-click="backPrevLocation($event)"><i class="fas fa-long-arrow-alt-left "></i></a>
      </section>
    </div>
    <div class="col-md-8 b-l b-r-md">
      <section class="heading-title">
        <h1 translate>{{ 'app.admin.calendar.calendar_management' }}</h1>
      </section>
    </div>

    <div class="col-md-3">
      <section class="heading-actions wrapper">
        <a role="button" ui-sref="app.admin.calendar.icalendar" class="btn btn-lg btn-default rounded m-t-sm text-sm import-ics-button">
          <i class="fa fa-exchange m-r" aria-hidden="true"></i><span translate>{{ 'app.admin.calendar.external_sync' }}</span>
        </a>
      </section>
    </div>

  </div>
</section>


<section class="row no-gutter admin-calendar calendar-admin-section"
         ui-tour="calendar"
         ui-tour-backdrop="true"
         ui-tour-template-url="'/shared/tour-step-template.html'"
         ui-tour-use-hotkeys="true"
         ui-tour-scroll-parent-id="content-main"
         post-render="setupCalendarTour">

  <div class="calendar-admin-header">
    <div class="calendar-legend">
      <h4 translate>{{ 'app.admin.calendar.legend' }}</h4>
      <div class="calendar-legend-group">
        <span class="calendar-legend-item text-sm border-formation" translate>{{ 'app.admin.calendar.trainings' }}</span><br>
        <span class="calendar-legend-item text-sm border-machine" translate>{{ 'app.admin.calendar.machines' }}</span><br>
        <span class="calendar-legend-item text-sm border-space" translate>{{ 'app.admin.calendar.spaces' }}</span>
        <span class="calendar-legend-item text-sm border-event" ng-show="eventsInCalendar" translate>{{ 'app.admin.calendar.events' }}</span>
      </div>
    </div>
    <div ng-show="isAuthorized('admin')">
      <a class="btn btn-default export-xls-button"
        ng-href="api/availabilities/export_index.xlsx"
        target="export-frame"
        ng-click="alertExport('index')"
        uib-popover="{{ 'app.admin.calendar.availabilities_notice' | translate}}"
        popover-trigger="mouseenter"
        popover-placement="bottom-left">
        <i class="fa fa-file-excel-o"></i> {{ 'app.admin.calendar.availabilities' | translate }}
      </a>
      <iframe name="export-frame" height="0" width="0" class="none"></iframe>
    </div>
  </div>
  <div class="col-12">
    <div ui-calendar="calendarConfig" ng-model="eventSources" calendar="calendar" class="wrapper-lg"></div>
  </div>

  <label class="calendar-admin-info is-empty">
    <input type="checkbox">
    <div class="content">
      <p class="placeholder" translate>{{ 'app.admin.calendar.select_a_slot' }}</p>
      <div class="widget panel b-a" ng-if="availability" ng-show="(availability.slot_duration || availability.tags.length > 0) && availability.available_type !== 'event'">
        <div class="panel-heading b-b small">
          <h3><i class="fa fa-info-circle m-r" aria-hidden="true"></i><span translate>{{ 'app.admin.calendar.info' }}</span></h3>
        </div>
        <div class="widget-content no-bg auto wrapper">
          <div translate translate-values="{DURATION: availability.slot_duration}" ng-show="availability.slot_duration">{{ 'app.admin.calendar.slot_duration' }}</div>
          <div class="m-t-sm" ng-show="availability.tags.length > 0">
            <span translate>{{ 'app.admin.calendar.tags' }}</span>
            <ul>
              <li ng-repeat="tag in availability.tags">{{tag.name}}</li>
            </ul>
          </div>
        </div>
      </div>

      <div class="widget panel b-a m-t-lg" ng-if="availability" ng-hide="availability.available_type == 'event'">
        <div class="panel-heading b-b small">
          <h3 translate>{{ 'app.admin.calendar.ongoing_reservations' }}</h3>
        </div>
        <div class="widget-content no-bg auto wrapper" ng-class="{'reservations-locked': availability.lock}">
          <ul class="list-unstyled" ng-if="reservations.length > 0">
            <li ng-repeat="r in reservations" class="m-b-xs" ng-class="{'reservation-canceled':r.canceled_at}">
              <span ng-if="r.user.name">{{r.user.name}}</span>
              <span translate ng-if="!r.user.name">{{ 'app.admin.calendar.deleted_user' }}</span>
                - <span class="label reservation-time">{{ r.start_at | amDateFormat:'LLL' }} - {{ r.end_at | amDateFormat:'LT' }}</span>
                - <span class="label label-success text-white">{{r.reservable.name}}</span>
                <span class="btn btn-warning btn-xs" ng-click="cancelBooking(r)" ng-if="!r.canceled_at"><i class="fa fa-times red"></i></span>
            </li>
          </ul>
          <div ng-show="reservations.length == 0" translate>{{ 'app.admin.calendar.without_reservation' }}</div>
          <div class="m-t" ng-show="availability.lock"><i class="fa fa-ban"></i> <span class="m-l-xs" translate>{{ 'app.admin.calendar.reservations_locked' }}</span></div>
        </div>
      </div>

      <div class="widget panel b-a m-t-lg" ng-if="availability.machine_ids.length > 0">
        <div class="panel-heading b-b small">
          <h3 translate>{{ 'app.admin.calendar.machines' }}</h3>
        </div>
        <div class="widget-content no-bg auto wrapper">
          <ul class="list-unstyled">
            <li ng-repeat="m in machines" class="m-b-xs" ng-show="availability.machine_ids.indexOf(m.id) > -1">
              {{m.name}}
              <span class="btn btn-warning btn-xs" ng-click="removeMachine(m)" ng-if="availability.machine_ids.length > 1"><i class="fa fa-times red"></i></span>
            </li>
          </ul>
        </div>
      </div>

      <div class="widget panel b-a m-t-lg" ng-if="availability.plan_ids.length > 0">
        <div class="panel-heading b-b small">
          <h3 translate>{{ 'app.admin.calendar.plans' }}</h3>
        </div>
        <div class="widget-content no-bg auto wrapper">
          <ul class="list-unstyled">
            <li ng-repeat="g in availability.plans" class="m-b-xs">
              <div class="font-sbold">{{::g.name}}</div>
              <ul class="m-n" ng-repeat="plan in g.plans">
                <li>
                  {{::plan.base_name}}
                  <span class="btn btn-warning btn-xs" ng-click="removePlan(plan)" ><i class="fa fa-times red"></i></span>
                </li>
              </ul>
            </li>
          </ul>
        </div>
      </div>

      <div class="widget panel b-a m-t-lg" ng-if="availability" >
        <div class="panel-heading b-b small">
          <h3 translate>{{ 'app.admin.calendar.actions' }}</h3>
        </div>
        <div class="widget-content no-bg auto wrapper" ng-hide="availability.available_type == 'event'">
          <button class="btn btn-default" ng-click="toggleLockReservations()">
            <span ng-hide="availability.lock">
              <i class="fa fa-stop"></i>
              <span class="m-l-xs" translate>{{ 'app.admin.calendar.block_reservations' }}</span>
            </span>
            <span ng-show="availability.lock">
              <i class="fa fa-play"></i>
              <span class="m-l-xs" translate>{{ 'app.admin.calendar.allow_reservations' }}</span>
            </span>
          </button>
          <button class="btn btn-default m-t" ng-click="removeSlot()">
            <span>
              <i class="fa fa-trash"></i>
              <span class="m-l-xs" translate>{{ 'app.admin.calendar.delete_slot' }}</span>
            </span>
          </button>
        </div>
        <div class="widget-content no-bg auto wrapper" ng-show="availability.available_type == 'event'">
          <a class="btn btn-default pointer" ui-sref="app.admin.events_edit({id: availability.event_id})">
            <span>
              <i class="fa fa-edit"></i>
              <span class="m-l-xs" translate>{{ 'app.admin.calendar.edit_event' }}</span>
            </span>
          </a>
          <a class="btn btn-default m-t pointer" ui-sref="app.admin.event_reservations({id: availability.event_id})">
            <span>
              <i class="fa fa-bookmark"></i>
              <span class="m-l-xs" translate>{{ 'app.admin.calendar.view_reservations' }}</span>
            </span>
          </a>
        </div>
      </div>
    </div>
  </label>
</section>