library/Zend/Paginator/ScrollingStyle/Jumping.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Paginator
  17  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id: Jumping.php 16215 2009-06-21 19:36:07Z thomas $
  20  */
  21
  22 /**
  23  * @see Zend_Paginator_ScrollingStyle_Interface
  24  */
  25 require_once 'Zend/Paginator/ScrollingStyle/Interface.php';
  26
  27 /**
  28  * A scrolling style in which the cursor advances to the upper bound
  29  * of the page range, the page range "jumps" to the next section, and
  30  * the cursor moves back to the beginning of the range.
  31  *
  32  * @category   Zend
  33  * @package    Zend_Paginator
  34  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  35  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  36  */
  37 class Zend_Paginator_ScrollingStyle_Jumping implements Zend_Paginator_ScrollingStyle_Interface
  38 {
  39     /**
  40      * Returns an array of "local" pages given a page number and range.
  41      *
  42      * @param  Zend_Paginator $paginator
  43      * @param  integer $pageRange Unused
  44      * @return array
  45      */
  46     public function getPages(Zend_Paginator $paginator, $pageRange = null)
  47     {
  48         $pageRange  = $paginator->getPageRange();
  49         $pageNumber = $paginator->getCurrentPageNumber();
  50
  51         $delta = $pageNumber % $pageRange;
  52
  53         if ($delta == 0) {
  54             $delta = $pageRange;
  55         }
  56
  57         $offset     = $pageNumber - $delta;
  58         $lowerBound = $offset + 1;
  59         $upperBound = $offset + $pageRange;
  60
  61         return $paginator->getPagesInRange($lowerBound, $upperBound);
  62     }
  63 }