mtb_dcatadmin_plus/resources/views/distributor/grid/batch-actions.blade.php

@if(! $isHoldSelectAllCheckbox)
<div class="btn-group dropdown  {{$selectAllName}}-btn" style="display:none;margin-right: 3px;z-index: 100">
    <button type="button" class="btn btn-white dropdown-toggle btn-mini" data-toggle="dropdown">
        <span class="d-none d-sm-inline selected"></span>
        <span class="caret"></span>
        <span class="sr-only"></span>
    </button>
    <ul class="dropdown-menu" role="menu">
        @foreach($actions as $action)
            @if ($action instanceof Dcat\Admin\Grid\Tools\ActionDivider)
                <li class="dropdown-divider"></li>
            @else
                <li class="dropdown-item">
                    {!! $action->render() !!}
                </li>
            @endif
        @endforeach
    </ul>
</div>
@endif

<script>
Dcat.init('.{{ $parent->getRowName() }}-checkbox', function ($this) {
    $this.on('change', function () {
        var btn = $('.{{ $selectAllName }}-btn'), selected = Dcat.grid.selectedRows('{{ $parent->getName() }}').length;

        if (selected) {
            btn.show()
        } else {
            btn.hide()
        }
        setTimeout(function () {
            btn.find('.selected').html("{!! trans('admin.grid_items_selected') !!}".replace('{n}', selected));
        }, 50)
    })
})
</script>