Location: PHPKode > scripts > Support Tickets Center > zingiri-tickets/osticket/upload/include/class.pagenate.php
<?php
/*********************************************************************
    class.format.php

    Pagenation  support class

    Peter Rotich <hide@address.com>
    Copyright (c)  2006-2010 osTicket
    http://www.osticket.com

    Released under the GNU General Public License WITHOUT ANY WARRANTY.
    See LICENSE.TXT for details.

    vim: expandtab sw=4 ts=4 sts=4:
    $Id: $
**********************************************************************/
class PageNate {
    
	var $start;
	var $limit;
	var $total;
	var $page;
	var $pages;
	

	function PageNate($total,$page,$limit=20,$url='') {
		$this->total = intval($total);
		$this->limit = max($limit, 1 );
		$this->page  = max($page, 1 );
		$this->start = max((($page-1)*$this->limit),0);
		$this->pages = ceil( $this->total / $this->limit );
		
		if (($this->limit > $this->total) || ($this->page>ceil($this->total/$this->limit))) {
			$this->start = 0;
		}
		if (($this->limit-1)*$this->start > $this->total) {
			$this->start -= $this->start % $this->limit;
		}
		$this->setURL($url);
	}
	function setURL($url='',$vars=''){
		if($url){
			if(strpos($url,'?')===false)
				$url=$url.'?';
		}else{
		 $url=THISPAGE.'?';
		}
		$this->url=$url.$vars;
	}

    function getStart() {
        return $this->start;
    }

    function getLimit() {
        return $this->limit;
    }
    
    
    function getNumPages(){
        return $this->pages;
    }
  
    function getPage() {
        return ceil(($this->start+1)/$this->limit);
    }
    
	function showing() {
		$html = '';
		$from= $this->start+1;
		if ($this->start + $this->limit < $this->total) {
			$to= $this->start + $this->limit;
		} else {
			$to= $this->total;
		}
        $html="&nbsp;Showing&nbsp;&nbsp;";
		if ($this->total > 0) {
            $html .= "$from - $to of " .$this->total;
		}else{
			$html .= " 0 ";
		}
		return $html;
	}
    
	function getPageLinks() {
		$html 				= '';
		$file				=$this->url;
		$displayed_span 	= 5;
		$total_pages 		= ceil( $this->total / $this->limit );
		$this_page 			= ceil( ($this->start+1) / $this->limit );

        $last=$this_page-1;
        $next=$this_page+1;
        
		$start_loop 		= floor($this_page-$displayed_span);
        $stop_loop          = ceil($this_page + $displayed_span);
       
        
        
        $stopcredit    =($start_loop<1)?0-$start_loop:0;
        $startcredit   =($stop_loop>$total_pages)?$stop_loop-$total_pages:0;
        
        $start_loop =($start_loop-$startcredit>0)?$start_loop-$startcredit:1;
        $stop_loop  =($stop_loop+$stopcredit>$total_pages)?$total_pages:$stop_loop+$stopcredit;

        if($start_loop>1){
            $lastspan=($start_loop-$displayed_span>0)?$start_loop-$displayed_span:1;
            $html .= "\n<a href=\"$file&p=$lastspan\" ><strong>&laquo;</strong></a>";
        }
        
		for ($i=$start_loop; $i <= $stop_loop; $i++) {
			$page = ($i - 1) * $this->limit;
			if ($i == $this_page) {
				$html .= "\n<b>[$i]</b>";
			} else {
				$html .= "\n<a href=\"$file&p=$i\" ><b>$i</b></a>";
			}
		}
        if($stop_loop<$total_pages){
            $nextspan=($stop_loop+$displayed_span>$total_pages)?$total_pages-$displayed_span:$stop_loop+$displayed_span;
            $html .= "\n<a href=\"$file&p=$nextspan\" ><strong>&raquo;</strong></a>";
        }
        

        
		return $html;
	}

}
?>
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