interface/modules/zend_modules/library/Zend/Paginator/Adapter/Null.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\Adapter;
  11
  12 class Null implements AdapterInterface
  13 {
  14     /**
  15      * Item count
  16      *
  17      * @var int
  18      */
  19     protected $count = null;
  20
  21     /**
  22      * Constructor.
  23      *
  24      * @param int $count Total item count (Optional)
  25      */
  26     public function __construct($count = 0)
  27     {
  28         $this->count = $count;
  29     }
  30
  31     /**
  32      * Returns an array of items for a page.
  33      *
  34      * @param  int $offset Page offset
  35      * @param  int $itemCountPerPage Number of items per page
  36      * @return array
  37      */
  38     public function getItems($offset, $itemCountPerPage)
  39     {
  40         if ($offset >= $this->count()) {
  41             return array();
  42         }
  43
  44         $remainItemCount  = $this->count() - $offset;
  45         $currentItemCount = $remainItemCount > $itemCountPerPage ? $itemCountPerPage : $remainItemCount;
  46
  47         return array_fill(0, $currentItemCount, null);
  48     }
  49
  50     /**
  51      * Returns the total number of rows in the array.
  52      *
  53      * @return int
  54      */
  55     public function count()
  56     {
  57         return $this->count;
  58     }
  59 }