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0001 <?php
0002 /**
0003  * Zend Framework
0004  *
0005  * LICENSE
0006  *
0007  * This source file is subject to the new BSD license that is bundled
0008  * with this package in the file LICENSE.txt.
0009  * It is also available through the world-wide-web at this URL:
0010  * http://framework.zend.com/license/new-bsd
0011  * If you did not receive a copy of the license and are unable to
0012  * obtain it through the world-wide-web, please send an email
0013  * to license@zend.com so we can send you a copy immediately.
0014  *
0015  * @category   Zend
0016  * @package    Zend_Paginator
0017  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0018  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0019  * @version    $Id$
0020  */
0021 
0022 /**
0023  * @see Zend_Paginator_ScrollingStyle_Interface
0024  */
0025 // require_once 'Zend/Paginator/ScrollingStyle/Interface.php';
0026 
0027 /**
0028  * A scrolling style in which the cursor advances to the upper bound
0029  * of the page range, the page range "jumps" to the next section, and
0030  * the cursor moves back to the beginning of the range.
0031  *
0032  * @category   Zend
0033  * @package    Zend_Paginator
0034  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0035  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0036  */
0037 class Zend_Paginator_ScrollingStyle_Jumping implements Zend_Paginator_ScrollingStyle_Interface
0038 {
0039     /**
0040      * Returns an array of "local" pages given a page number and range.
0041      *
0042      * @param  Zend_Paginator $paginator
0043      * @param  integer $pageRange Unused
0044      * @return array
0045      */
0046     public function getPages(Zend_Paginator $paginator, $pageRange = null)
0047     {
0048         $pageRange  = $paginator->getPageRange();
0049         $pageNumber = $paginator->getCurrentPageNumber();
0050 
0051         $delta = $pageNumber % $pageRange;
0052 
0053         if ($delta == 0) {
0054             $delta = $pageRange;
0055         }
0056 
0057         $offset     = $pageNumber - $delta;
0058         $lowerBound = $offset + 1;
0059         $upperBound = $offset + $pageRange;
0060 
0061         return $paginator->getPagesInRange($lowerBound, $upperBound);
0062     }
0063 }