               </a>
                    </li>
                    <li class="disabled" ng-class="{'disabled': !isSpecifiedTaskSelected('active', 'waiting')}">
                        <a class="toolbar" title="{{'Pause' | translate}}" ng-click="changeTasksState('pause')">
                            <i class="fa fa-pause"></i>
                        </a>
                    </li>
                    <li class="disabled" ng-class="{'disabled': !isTaskSelected() && !isSpecifiedTaskShowing('complete', 'error',