opensourcepos/app/Views/items/manage.php

<?php
/**
 * @var string $controller_name
 * @var string $table_headers
 * @var array $filters
 * @var array $stock_locations
 * @var int $stock_location
 * @var array $config
 */

use App\Models\Employee;

?>
<?= view('partial/header') ?>

<script type="text/javascript">
$(document).ready(function()
{
    $('#generate_barcodes').click(function()
    {
        window.open(
            'index.php/items/generateBarcodes/'+table_support.selected_ids().join(':'),
            '_blank' // <- This is what makes it open in a new window.
        );
    });

	// when any filter is clicked and the dropdown window is closed
	$('#filters').on('hidden.bs.select', function(e)
	{
        table_support.refresh();
    });

	// load the preset daterange picker
	<?= view('partial/daterangepicker') ?>
    // set the beginning of time as starting date
    $('#daterangepicker').data('daterangepicker').setStartDate("<?= date($config['dateformat'], mktime(0,0,0,01,01,2010)) ?>");
	// update the hidden inputs with the selected dates before submitting the search data
    var start_date = "<?= date('Y-m-d', mktime(0,0,0,01,01,2010)) ?>";
	$("#daterangepicker").on('apply.daterangepicker', function(ev, picker) {
        table_support.refresh();
    });

    $("#stock_location").change(function() {
       table_support.refresh();
    });

    <?php
		echo view('partial/bootstrap_tables_locale');
		$employee = model(Employee::class);
	?>

    table_support.init({
        employee_id: <?= $employee->get_logged_in_employee_info()->person_id ?>,
        resource: '<?= esc($controller_name) ?>',
        headers: <?= $table_headers ?>,
        pageSize: <?= $config['lines_per_page'] ?>,
        uniqueId: 'items.item_id',
        queryParams: function() {
            return $.extend(arguments[0], {
                "start_date": start_date,
                "end_date": end_date,
                "stock_location": $("#stock_location").val(),
                "filters": $("#filters").val()
            });
        },
        onLoadSuccess: function(response) {
            $('a.rollover').imgPreview({
				imgCSS: { width: 200 },
				distanceFromCursor: { top:10, left:-210 }
			})
        }
    });
});
</script>
<div id="title_bar" class="btn-toolbar print_hide">
    <button class='btn btn-info btn-sm pull-right modal-dlg' data-btn-submit='<?= lang('Common.submit') ?>' data-href='<?= "$controller_name/csvImport" ?>'
            title='<?= lang('Items.import_items_csv') ?>'>
        <span class="glyphicon glyphicon-import">&nbsp;</span><?= lang('Common.import_csv') ?>
    </button>

    <button class='btn btn-info btn-sm pull-right modal-dlg' data-btn-new='<?= lang('Common.new') ?>' data-btn-submit='<?= lang('Common.submit') ?>' data-href='<?= "$controller_name/view" ?>'
            title='<?= lang(ucfirst($controller_name) .".new") ?>'>
        <span class="glyphicon glyphicon-tag">&nbsp;</span><?= lang(ucfirst($controller_name) .".new") ?>
    </button>
</div>

<div id="toolbar">
    <div class="pull-left form-inline" role="toolbar">
        <button id="delete" class="btn btn-default btn-sm print_hide">
            <span class="glyphicon glyphicon-trash">&nbsp;</span><?= lang('Common.delete') ?>
        </button>
        <button id="bulk_edit" class="btn btn-default btn-sm modal-dlg print_hide" data-btn-submit='<?= lang('Common.submit') ?>' data-href='<?= "$controller_name/bulk_edit" ?>'
				title='<?= lang('Items.edit_multiple_items') ?>'>
            <span class="glyphicon glyphicon-edit">&nbsp;</span><?= lang('Items.bulk_edit') ?>
        </button>
        <button id="generate_barcodes" class="btn btn-default btn-sm print_hide" data-href='<?= "$controller_name/generateBarcodes" ?>' title='<?= lang('Items.generate_barcodes') ?>'>
            <span class="glyphicon glyphicon-barcode">&nbsp;</span><?= lang('Items.generate_barcodes') ?>
        </button>
        <?= form_input (['name' => 'daterangepicker', 'class' => 'form-control input-sm', 'id' => 'daterangepicker']) ?>
        <?= form_multiselect(
			'filters[]',
			esc($filters),
			[''],
			[
				'id' => 'filters',
				'class' => 'selectpicker show-menu-arrow',
				'data-none-selected-text' => lang('Common.none_selected_text'),
				'data-selected-text-format' => 'count > 1',
				'data-style' => 'btn-default btn-sm',
				'data-width' => 'fit'
			]) ?>
        <?php
        if (count($stock_locations) > 1)
        {
            echo form_dropdown(
			'stock_location',
				$stock_locations,
				$stock_location,
				[
					'id' => 'stock_location',
					'class' => 'selectpicker show-menu-arrow',
					'data-style' => 'btn-default btn-sm',
					'data-width' => 'fit'
				]
			);
        }
        ?>
    </div>
</div>

<div id="table_holder">
    <table id="table"></table>
</div>

<?= view('partial/footer') ?>