<?php
if (!empty($_GET['pos_barcode_list_header_id']) && empty($pos_barcode_list_line_object)) {
 $pos_barcode_list_line_object = pos_barcode_list_line::find_by_parent_id($_GET['pos_barcode_list_header_id']);
} 

if(empty($pos_barcode_list_line_object)){
 $pos_barcode_list_line_object = [new pos_barcode_list_line()];
}

$pageno = !empty($_GET['pageno']) ? $_GET['pageno'] : 1;
$per_page = !empty($_GET['per_page']) ? $_GET['per_page'] : 10;
$total_count = count($pos_barcode_list_line_object);
$pagination = new pagination($pageno, $per_page, $total_count);
$pagination->setProperty('_path', 'form');
$position = ($pageno - 1) * $per_page;

?>
