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<?php
/**************************************************************************
* *
* 4images - A Web Based Image Gallery Management System *
* ---------------------------------------------------------------- *
* *
* File: paging.php *
* Copyright: (C) 2002 Jan Sorgalla *
* Email: jan@4homepages.de *
* Web: http://www.4homepages.de *
* Scriptversion: 1.7.1 *
* *
* Never released without support from: Nicky (http://www.nicky.net) *
* *
**************************************************************************
* *
* Dieses Script ist KEINE Freeware. Bitte lesen Sie die Lizenz- *
* bedingungen (Lizenz.txt) für weitere Informationen. *
* --------------------------------------------------------------- *
* This script is NOT freeware! Please read the Copyright Notice *
* (Licence.txt) for further information. *
* *
*************************************************************************/
if (!defined('ROOT_PATH')) {
die("Security violation");
}
class Paging {
var $page,$offset,$perpage,$num_rows_all,$link_args;
var $first,$last,$total_pages,$config,$desc,$next,$back;
function Paging($page = 1, $perpage = 0, $num_rows_all = 0, $link_args = "") {
global $lang, $config;
$this->page = $page;
$this->perpage = $perpage;
$this->num_rows_all = $num_rows_all;
if (!isset($this->page) || !intval($this->page)) {
$this->page = 1;
}
if (!$this->num_rows_all) {
$this->total_pages = 0;
}
elseif ($this->num_rows_all <= $this->perpage) {
$this->total_pages = 1;
}
elseif ($this->num_rows_all % $this->perpage == 0) {
$this->total_pages = $this->num_rows_all / $this->perpage;
}
else {
$this->total_pages = ceil($this->num_rows_all / $this->perpage);
}
if ($this->page > $this->total_pages) {
$this->page = 1;
}
if (!$this->num_rows_all) {
$this->first = 0;
}
else {
$this->first = $this->perpage * $this->page - $this->perpage + 1;
}
if (!$this->num_rows_all) {
$this->last = 0;
}
elseif ($this->page == $this->total_pages) {
$this->last = $this->num_rows_all;
}
else {
$this->last = $this->perpage * $this->page;
}
$this->offset = $this->perpage * $this->page - $this->perpage;
$link_args = ereg_replace("&page=[0-9]*", "", $link_args);
$link_args = ereg_replace("page=[0-9]*&", "", $link_args);
$this->link_args = basename($link_args);
$this->link_args .= preg_match("/\?/",$this->link_args) ? "&" : "?";
$this->desc = $lang['paging_stats'];
$this->paging_next = $lang['paging_next'];
$this->paging_back = $lang['paging_previous'];
$this->paging_lastpage = $lang['paging_lastpage'];
$this->paging_firstpage = $lang['paging_firstpage'];
$this->range = $config['paging_range'];
}
function get_paging() {
$html = "";
if ($this->total_pages > 1) {
$page_back = $this->page - 1;
$page_next = $this->page + 1;
if ($page_back > 0) {
$html .= "<a href=\"".$this->link_args."page=1\" class=\"paging\">".$this->paging_firstpage."</a> ";
$html .= "<a href=\"".$this->link_args."page=$page_back\" class=\"paging\">".$this->paging_back."</a> ";
}
for ($page_num = 1; $page_num <= $this->total_pages; $page_num++) {
if ($page_num >= ($this->page-$this->range) && $page_num <= ($this->page+$this->range)) {
if ($this->page == $page_num) {
$html .= "<b class=\"pagingon\">$page_num</b> ";
}
else {
$html .= "<a href=\"".$this->link_args."page=$page_num\" class=\"paging\">$page_num</a> ";
}
}
}
if ($page_next <= $this->total_pages) {
$html .= "<a href=\"".$this->link_args."page=$page_next\" class=\"paging\">".$this->paging_next."</a> ";
$html .= "<a href=\"".$this->link_args."page=$this->total_pages\" class=\"paging\">".$this->paging_lastpage."</a>";
}
}
return $html;
}
function get_offset() {
return $this->offset;
}
function get_paging_stats() {
global $site_template;
$search_array = array(
"/".$site_template->start."total_cat_images".$site_template->end."/iU",
"/".$site_template->start."total_pages".$site_template->end."/iU",
"/".$site_template->start."first_page".$site_template->end."/iU",
"/".$site_template->start."last_page".$site_template->end."/iU"
);
$replace_array = array(
$this->num_rows_all,
$this->total_pages,
$this->first,
$this->last
);
$this->desc = preg_replace($search_array, $replace_array, $this->desc);
return $this->desc;
}
} //end of class
?>
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