<?php /** * @file pagenate.php * @date 2018-01-01 * @author Go Namhyeon <gnh1201@gmail.com> * @brief Page navigation helper */ if(!is_fn("paginate_get_current_page")) { function paginate_get_current_page($page=1) { $current_page = 1; if($page > 0) { $current_page = $page; } return $current_page; } } if(!is_fn("paginate_get_total_pages")) { function paginate_get_total_pages($item_per_page=1.0, $total_records=1.0) { $total_pages = 1; if($item_per_page > 0) { $total_pages = ceil($total_records / $item_per_page); } return $total_pages; } } if(!is_fn("paginate_get_query_string")) { function paginate_get_query_string() { loadHelper("networktool"); $net_event = get_network_event(); return get_value_in_array("query", $net_event, ""); } } // https://www.sanwebe.com/2011/05/php-pagination-function if(!is_fn("paginate_make_html")) { function paginate_make_html($item_per_page, $current_page, $total_records, $total_pages, $page_url, $qry='') { $pagination = ''; if($total_pages > 0 && $total_pages != 1 && $current_page <= $total_pages) { //verify total pages and current page number $pagination .= '<ul class="pagination justify-content-end">'; $right_links = $current_page + 3; $previous = $current_page - 3; //previous link $next = $current_page + 1; //next link $first_link = true; //boolean var to decide our first link // prevent minus page number if($previous < 0) { $previous = 1; } $qry_url = ''; if(!empty($qry)) { $qry_url = '?' . $qry; } if($current_page > 1) { $previous_link = ($previous == 0) ? 1 : $previous; $pagination .= '<li class="page-item first"><a class="page-link" href="' . $page_url . '1' . $qry_url.'" title="First">«</a></li>'; //first link $pagination .= '<li class="page-item"><a class="page-link" href="' . $page_url . $previous_link . $qry_url.'" title="Previous"><</a></li>'; //previous link for($i = ($current_page-2); $i < $current_page; $i++) { //Create left-hand side links if($i > 0) { $pagination .= '<li class="page-item"><a class="page-link" href="' . $page_url . $i . $qry_url . '">' . $i . '</a></li>'; } } $first_link = false; //set first link to false } if($first_link) { //if current active page is first link $pagination .= '<li class="page-item first active"><a class="page-link" href="#">' . $current_page . '</a></li>'; } elseif($current_page == $total_pages) { //if it's the last active link $pagination .= '<li class="page-item last active"><a class="page-link" href="#">' . $current_page . '</a></li>'; } else { //regular current link $pagination .= '<li class="page-item active"><a class="page-link" href="#">' . $current_page . '</a></li>'; } for($i = $current_page+1; $i < $right_links ; $i++) { //create right-hand side links if($i <= $total_pages) { $pagination .= '<li class="page-item"><a class="page-link" href="' . $page_url . $i . $qry_url.'">' . $i . '</a></li>'; } } if($current_page < $total_pages) { $next_link = ($i > $total_pages) ? $total_pages : $i; $pagination .= '<li class="page-item"><a class="page-link" href="'. $page_url . $next_link . $qry_url.'" >></a></li>'; //next link $pagination .= '<li class="page-item last"><a class="page-link" href="' . $page_url . $total_pages . $qry_url.'" title="Last">»</a></li>'; //last link } $pagination .= '</ul>'; } return $pagination; //return pagination links } }