438 lines
19 KiB
PHP
438 lines
19 KiB
PHP
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<?php
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/**
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* Created by Glee Ltd.
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* User: Hieu
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* Date: 05-Mar-18
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* Time: 4:30 PM
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* Description:
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*/
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namespace Hura8\System;
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final class Paging
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{
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protected static $cache = [];
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//get last page
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public static function getLastPage($totalResults, $numPerPage) {
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//$current_url = curPageURL();
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$maxPage = ceil($totalResults / $numPerPage);
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return Url::buildUrl($_SERVER['REQUEST_URI'], ["page" => $maxPage]);
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}
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public static function pageSizeSelectBox($default_size = 15) {
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$html = ["<select class='hura-change-page-size' onchange='window.location=this.value'>"];
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$final_list = static::getPageSizes();
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foreach ($final_list as $item) {
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$is_selected = ($default_size == $item['size']) ? "selected" : "";
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$html[] = "<option value='". $item['url'] ."' ".$is_selected.">". $item['name'] ."</option>";
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}
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$html[] = "</select>";
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return join("", $html);
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}
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//allow to select pageSize
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public static function getPageSizes() {
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$sizes = [15, 30, 50];
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$final_list = [];
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foreach ($sizes as $size) {
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$final_list[] = [
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"size" => $size,
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"name" => $size . "/ trang",
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"url" => Url::buildUrl($_SERVER['REQUEST_URI'], ["page" => '', "pageSize" => $size])
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];
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}
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return $final_list;
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}
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//Function nhay trang paging
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public static function pagingAjax($totalResults,$numPerRow,$currentURL,$maxPageDisplay,$holder_id){
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$currentPage = isset($_GET["page"]) ? (int) $_GET["page"] : 1;
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$currentURL = str_replace(array("?page=".$currentPage, "&page=".$currentPage),"",$currentURL);
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if(strpos($currentURL, "?") !== false) $currentURL .= "&";
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else $currentURL .= "?";
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$maxPage = ceil($totalResults/$numPerRow);
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//max page to see : 20
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$maxPage = ($maxPage > 50) ? 50 : $maxPage;
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if($maxPage==1) return "";
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$farLeft ="<td class=pagingFarSide align=center>...</td>";
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$farRight ="<td class=pagingFarSide align=center>...</td>";
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$link ="<table cellpadding=0 cellspacing=0><tr>";
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//$maxPageDisplay la so page se hien ra, thuong lay 7
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if($currentPage > 1) $link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=".($currentPage-1)."')\"><<</a></td>";
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else $link .= "<td class=\"pagingIntact\"><a>Xem</a></td>";
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$link .= "<td class=pagingSpace></td>";
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if($maxPage<=$maxPageDisplay){
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for($i=1;$i<=$maxPage;$i++){
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if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=pagingSpace></td>";
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else $link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=$i')\">$i</a></td><td class=pagingSpace></td>";
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}
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if($currentPage < $maxPage) $link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=".($currentPage+1)."')\">>></a></td>";
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}else{
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//Vay la tong so trang nhieu hon so trang muon hien ra
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if($currentPage<=(ceil($maxPageDisplay/2))){
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//Neu trang dang xem dang o muc 1,2,3,4
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for($i=1;$i<=$maxPageDisplay;$i++){
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if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=pagingSpace></td>";
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else $link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=$i')\">$i</a></td><td class=pagingSpace></td>";
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}
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$link .=$farRight;
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//$link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."&page=".$maxPage."\">".$maxPage."</a></td><td class=pagingSpace></td>";//the last page
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$link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=".($currentPage+1)."')\">>></a></td>";
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}elseif($currentPage<=($maxPage-round($maxPageDisplay/2,0))){
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//Neu trang dang xem o muc cao hon 4
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$link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=1')\">1</a></td><td class=pagingSpace></td>";//the 1st page
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$link .=$farLeft;
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for($i=($currentPage-round($maxPageDisplay/2,0)+1);$i<($currentPage+round($maxPageDisplay/2,0));$i++){
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if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=pagingSpace></td>";
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else $link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=$i')\">$i</a></td><td class=pagingSpace></td>";
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}
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$link .=$farRight;
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//$link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."&page=".$maxPage."\">".$maxPage."</a></td><td class=pagingSpace></td>";//the last page
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$link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=".($currentPage+1)."')\">>></a></td>";
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}else{
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//May trang cuoi cung
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$link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=1')\">1</a></td><td class=pagingSpace></td>";//the 1st page
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$link .=$farLeft;
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for($i=($maxPage-$maxPageDisplay+1);$i<=$maxPage;$i++){
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if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=pagingSpace></td>";
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else $link .= "<td class=\"pagingIntact\"><a href=\"javascript:;\" onclick=\"loadAjaxContent('".$holder_id."', '".$currentURL."&page=$i')\">$i</a></td><td class=pagingSpace></td>";
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}
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}
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}
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$link .= "</tr></table>";
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//Lua chon hien thi, phai it nhat tu 2 trang tro len moi hien ra
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if($maxPage>1){
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return $link;
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}
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return false;
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}
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// 04-Sept-2020
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public static function paging_template($totalResults, $numPerRow, $currentURL = '', $maxPageDisplay = 7){
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// parameter variables
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if(!$currentURL) $currentURL = $_SERVER['REQUEST_URI'];
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$url_parts = self::destructUrlWithCustomPageParam($currentURL);
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/*[
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'path' => $url_path,
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'query' => $query_params,
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'page' => $current_page,
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];*/
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$query_without_page = $url_parts['query'];
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$current_page = (isset($url_parts['page']) && $url_parts['page']) ? intval($url_parts['page']) : 1;
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$total_pages = ceil($totalResults / $numPerRow);
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$page_space = ceil(($maxPageDisplay - 1) / 2);
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if($current_page > $total_pages) $current_page = $total_pages;
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/*
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* $current_page is expected to be always in the middle:
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* 3 = $page_space = ( $maxPageDisplay = 7-1/2)
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* if current_page = 4 -> expect start = 4-3 = 1, expect end = 4+3 = 7
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* if current_page = 2 -> expect start = 2-3 = -1, expect end = 2+3 = 5. Since -1 is not valid, we need to add 2 to make it at least 1, so the end need to add 2 as well, so the result is: start = 1, end = 7
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* if current_page = 6 -> expect start = 6-3 = 3, expect end = 6+3 = 9. if max page =8, the end need to offset 9-8 = 1, so the start also need to offset 1, the result: start=3-1 = 2, end=9-1=8
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* */
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// expect result
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$start_index = $current_page - $page_space;
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$end_index = $current_page + $page_space;
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//calculate offset
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if($start_index < 1) {
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$offset = 1 - $start_index;
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$start_index = 1;
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$end_index += $offset;
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if($end_index > $total_pages) $end_index = $total_pages;
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}else if($end_index > $total_pages) {
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$offset = $end_index - $total_pages;
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$end_index = $total_pages;
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$start_index -= $offset;
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if($start_index < 1) $start_index = 1;
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}
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$page_collection = [];
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$build_table = [];
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// add prev
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if($start_index > 1) {
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$query_without_page['page'] = $current_page-1;
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$url = self::buildUrlWithCustomPageParam($url_parts['path'], $query_without_page);
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$build_table[] = "<td class=\"pagingIntact\"><a title='Back' href=\"".$url."\"> << </a></td><td class=pagingSpace></td>";
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$page_collection[] = [
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"name" => "prev",
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"url" => $url,
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"is_active" => 0,
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];
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}
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for($i = $start_index; $i <= $end_index ; $i++) {
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$query_without_page['page'] = $i;
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$url = self::buildUrlWithCustomPageParam($url_parts['path'], $query_without_page);
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$is_active = ($i == $current_page) ? 1 : 0;
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$page_collection[] = [
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"name" => $i,
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"url" => $url,
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"is_active" => $is_active,
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];
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if($is_active) {
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$build_table[] = "<td class=\"pagingViewed\">".$i."</td><td class=pagingSpace></td>";
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}else{
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$build_table[] = "<td class=\"pagingIntact\"><a href=\"".$url."\">".$i."</a></td><td class=pagingSpace></td>";
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}
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}
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// add forward
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if($end_index < $total_pages) {
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$query_without_page['page'] = $current_page + 1;
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$url = self::buildUrlWithCustomPageParam($url_parts['path'], $query_without_page);
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$build_table[] = "<td class=\"pagingIntact\"><a title='Next' href=\"".$url."\"> >> </a></td><td class=pagingSpace></td>";
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$page_collection[] = [
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"name" => "next",
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"url" => $url,
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"is_active" => 0,
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];
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}
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//-------------------
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if($total_pages > 1 ){
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$tb_page = join("", [
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'<table cellpadding="0" cellspacing="0"><tr>',
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join('', $build_table) ,
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"</tr></table>"
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]) ;
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return array($page_collection, $tb_page, $total_pages);
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}
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return array([], '', 1);
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}
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// Url with page parameter format
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// default: domain/path?key1=value1&key2=value2&page=1|2|3...
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// custom1: domain/path/1|2|3/?key1=value1&key2=value2
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public static function buildUrlWithCustomPageParam($url_path, array $params){
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$url_format_type = self::getUrlWithCustomPageFormat();
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$params_without_page = $params;
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$page_number = 1;
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if(isset($params['page'])) {
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$page_number = intval($params['page']);
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unset($params_without_page['page']);
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}
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// custom1 (use case: hanoicomputer.vn)
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if($url_format_type == 'custom1') {
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if($page_number > 1){
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$url_path = $url_path."/".$page_number."/";
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}
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}else{
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// default
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if($page_number > 1){
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// push page to the end, always
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$params_without_page['page'] = $page_number;
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}
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}
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if(sizeof($params_without_page)) {
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return join("", [$url_path, "?", http_build_query($params_without_page)]);
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}
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return $url_path;
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}
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// destruct Url to get url_path and query params
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public static function destructUrlWithCustomPageParam($full_url){
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$cache_key = md5($full_url);
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$cached_value = self::getCache($cache_key);
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// if in cache, get right away
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if($cached_value) return $cached_value;
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// not in cache, build and set cache
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$url_format_type = self::getUrlWithCustomPageFormat();
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// destruct
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$parsed_url = explode("?", $full_url);
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$url_path = isset($parsed_url[0]) ? $parsed_url[0] : '';
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$query_part = isset($parsed_url[1]) ? $parsed_url[1] : '';
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$query_params = [];
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$current_page = 1;
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if($query_part) {
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parse_str($query_part, $query_params);
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}
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// custom1: url format= domain/path/1|2|3/?key1=value1&key2=value2
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if($url_format_type == 'custom1') {
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$match = [];
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if(preg_match("{/(.*?)/([0-9]+)/$}", $url_path, $match)){
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if(isset($match[2]) && $match[2] > 1) $current_page = $match[2];
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$url_path = "/".$match[1];
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}
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} else {
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// default
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if(isset($query_params['page'])) {
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$current_page = $query_params['page'];
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unset($query_params['page']);
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}
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}
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$cached_value = [
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'path' => $url_path,
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'query' => $query_params,
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'page' => $current_page,
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];
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self::setCache($cache_key, $cached_value);
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return $cached_value;
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}
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// check if user in in the admin panel
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protected static function is_in_admin(){
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return substr($_SERVER['REQUEST_URI'], 0, 7) == '/admin/';
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}
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// Url with page parameter format
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// default: domain/path?key1=value1&key2=value2&page=1|2|3...
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// custom1: domain/path/1|2|3/?key1=value1&key2=value2
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protected static function getUrlWithCustomPageFormat() {
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$url_format_type = "default";
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// keep default for admin panel
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if(self::is_in_admin()) {
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|
return $url_format_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
// or search page
|
||
|
|
if(substr($_SERVER['REQUEST_URI'], 0, 4) == '/tim') {
|
||
|
|
return $url_format_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(defined("URL_PAGING_FORMAT") && URL_PAGING_FORMAT) {
|
||
|
|
$url_format_type = URL_PAGING_FORMAT;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $url_format_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected static function getCache($key) {
|
||
|
|
return isset(self::$cache[$key]) ? unserialize(self::$cache[$key]) : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected static function setCache($key, $value) {
|
||
|
|
self::$cache[$key] = serialize($value);
|
||
|
|
}
|
||
|
|
|
||
|
|
//Function nhay trang
|
||
|
|
public static function paging($totalResults, $numPerRow, $currentURL, $maxPageDisplay, $limitPage = 50){
|
||
|
|
$currentPage = isset($_GET["page"]) ? (int) $_GET["page"] : 1;
|
||
|
|
$currentURL = str_replace(array("?page=".$currentPage, "&page=".$currentPage),"",$currentURL);
|
||
|
|
//build_url($currentURL, array("page"=>''));
|
||
|
|
|
||
|
|
$first_url = $currentURL; //when $page=1
|
||
|
|
|
||
|
|
if(strpos($currentURL, "?") !== false) $currentURL .= "&";
|
||
|
|
else $currentURL .= "?";
|
||
|
|
|
||
|
|
$maxPage = ceil($totalResults/$numPerRow);
|
||
|
|
//max page to see : 20
|
||
|
|
if($limitPage > 0){
|
||
|
|
$maxPage = ($maxPage > $limitPage) ? $limitPage : $maxPage;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($maxPage==1) return "";
|
||
|
|
$farLeft ="<td class=\"pagingFarSide\" align=\"center\">...</td>";
|
||
|
|
$farRight ="<td class=\"pagingFarSide\" align=\"center\">...</td>";
|
||
|
|
$link ="<table cellpadding=\"0\" cellspacing=\"0\"><tr>";
|
||
|
|
//$maxPageDisplay la so page se hien ra, thuong lay 7
|
||
|
|
if($currentPage == 2) $link .= "<td class=\"pagingIntact\"><a href=\"".$first_url."\">Quay lại</a></td>";
|
||
|
|
else if($currentPage > 2) $link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=".($currentPage-1)."\">Quay lại</a></td>";
|
||
|
|
else $link .= "<td class=\"pagingIntact\"><a>Xem trang</a></td>";
|
||
|
|
|
||
|
|
$link .= "<td class=\"pagingSpace\"></td>";
|
||
|
|
|
||
|
|
if($maxPage<=$maxPageDisplay){
|
||
|
|
|
||
|
|
for($i=1;$i<=$maxPage;$i++){
|
||
|
|
if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=pagingSpace></td>";
|
||
|
|
else {
|
||
|
|
if($i== 1) $link .= "<td class=\"pagingIntact\"><a href=\"".$first_url."\">$i</a></td><td class=pagingSpace></td>";
|
||
|
|
else $link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=$i\">$i</a></td><td class=pagingSpace></td>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if($currentPage < $maxPage) $link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=".($currentPage+1)."\">Tiếp theo</a></td>";
|
||
|
|
|
||
|
|
}else{
|
||
|
|
|
||
|
|
//Vay la tong so trang nhieu hon so trang muon hien ra
|
||
|
|
if($currentPage<=(ceil($maxPageDisplay/2))){
|
||
|
|
|
||
|
|
//Neu trang dang xem dang o muc 1,2,3,4
|
||
|
|
for($i=1;$i<=$maxPageDisplay;$i++){
|
||
|
|
if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=\"pagingSpace\"></td>";
|
||
|
|
else {
|
||
|
|
if($i== 1) $link .= "<td class=\"pagingIntact\"><a href=\"".$first_url."\">$i</a></td><td class=\"pagingSpace\"></td>";
|
||
|
|
else $link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=$i\">$i</a></td><td class=\"pagingSpace\"></td>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$link .=$farRight;
|
||
|
|
//$link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=".$maxPage."\">".$maxPage."</a></td><td class=pagingSpace></td>";//the last page
|
||
|
|
$link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=".($currentPage+1)."\">Tiếp theo</a></td>";
|
||
|
|
|
||
|
|
}elseif($currentPage<=($maxPage-round($maxPageDisplay/2,0))){
|
||
|
|
//Neu trang dang xem o muc cao hon 4
|
||
|
|
$link .= "<td class=\"pagingIntact\"><a href=\"".$first_url."\">1</a></td><td class=\"pagingSpace\"></td>";//the 1st page
|
||
|
|
$link .= $farLeft;
|
||
|
|
for($i=($currentPage-round($maxPageDisplay/2,0)+1);$i<($currentPage+round($maxPageDisplay/2,0));$i++){
|
||
|
|
if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=pagingSpace></td>";
|
||
|
|
else $link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=$i\">$i</a></td><td class=\"pagingSpace\"></td>";
|
||
|
|
}
|
||
|
|
$link .= $farRight;
|
||
|
|
//$link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=".$maxPage."\">".$maxPage."</a></td><td class=pagingSpace></td>";//the last page
|
||
|
|
$link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=".($currentPage+1)."\">Tiếp theo</a></td>";
|
||
|
|
}else{
|
||
|
|
//May trang cuoi cung
|
||
|
|
$link .= "<td class=\"pagingIntact\"><a href=\"".$first_url."\">1</a></td><td class=\"pagingSpace\"></td>";//the 1st page
|
||
|
|
$link .= $farLeft;
|
||
|
|
for($i=($maxPage-$maxPageDisplay+1);$i<=$maxPage;$i++){
|
||
|
|
if($i==$currentPage) $link .= "<td class=\"pagingViewed\">$i</td><td class=\"pagingSpace\"></td>";
|
||
|
|
else $link .= "<td class=\"pagingIntact\"><a href=\"".$currentURL."page=$i\">$i</a></td><td class=\"pagingSpace\"></td>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$link .= "</tr></table>";
|
||
|
|
|
||
|
|
//Lua chon hien thi, phai it nhat tu 2 trang tro len moi hien ra
|
||
|
|
if($maxPage > 1){
|
||
|
|
return $link;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|