C:\Program Files (x86)\Apache Software Foundation\Apache2.2\htdocs\4images\includes\paging.php


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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) ? "&amp;" : "?";

    
$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>&nbsp;&nbsp;";
        
$html .= "<a href=\"".$this->link_args."page=$page_back\" class=\"paging\">".$this->paging_back."</a>&nbsp;&nbsp;";
      }
      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>&nbsp;&nbsp;";
          }
          else {
            
$html .= "<a href=\"".$this->link_args."page=$page_num\" class=\"paging\">$page_num</a>&nbsp;&nbsp;";
          }
        }
      }
      if (
$page_next <= $this->total_pages) {
        
$html .= "<a href=\"".$this->link_args."page=$page_next\" class=\"paging\">".$this->paging_next."</a>&nbsp;&nbsp;";
        
$html .= "<a href=\"".$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
?>