interface/modules/zend_modules/library/Zend/Paginator/ScrollingStyle/Jumping.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Paginator\ScrollingStyle;
  11
  12 use Zend\Paginator\Paginator;
  13
  14 /**
  15  * A scrolling style in which the cursor advances to the upper bound
  16  * of the page range, the page range "jumps" to the next section, and
  17  * the cursor moves back to the beginning of the range.
  18  */
  19 class Jumping implements ScrollingStyleInterface
  20 {
  21     /**
  22      * Returns an array of "local" pages given a page number and range.
  23      *
  24      * @param  Paginator $paginator
  25      * @param  int $pageRange Unused
  26      * @return array
  27      */
  28     public function getPages(Paginator $paginator, $pageRange = null)
  29     {
  30         $pageRange  = $paginator->getPageRange();
  31         $pageNumber = $paginator->getCurrentPageNumber();
  32
  33         $delta = $pageNumber % $pageRange;
  34
  35         if ($delta == 0) {
  36             $delta = $pageRange;
  37         }
  38
  39         $offset     = $pageNumber - $delta;
  40         $lowerBound = $offset + 1;
  41         $upperBound = $offset + $pageRange;
  42
  43         return $paginator->getPagesInRange($lowerBound, $upperBound);
  44     }
  45 }