95 lines
2.5 KiB
PHP
95 lines
2.5 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Paginator
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Iterator.php 11222 2008-09-04 03:18:34Z mratzloff $
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*/
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/**
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* @see Zend_Paginator_Adapter_Interface
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*/
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require_once 'Zend/Paginator/Adapter/Interface.php';
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/**
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* @category Zend
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* @package Zend_Paginator
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Paginator_Adapter_Iterator implements Zend_Paginator_Adapter_Interface
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{
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/**
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* Iterator which implements Countable
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*
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* @var Iterator
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*/
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protected $_iterator = null;
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/**
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* Item count
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*
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* @var integer
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*/
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protected $_count = null;
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/**
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* Constructor.
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*
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* @param Iterator $iterator Iterator to paginate
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* @throws Zend_Paginator_Exception
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*/
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public function __construct(Iterator $iterator)
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{
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if (!$iterator instanceof Countable) {
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/**
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* @see Zend_Paginator_Exception
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*/
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require_once 'Zend/Paginator/Exception.php';
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throw new Zend_Paginator_Exception('Iterator must implement Countable');
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}
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$this->_iterator = $iterator;
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$this->_count = count($iterator);
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}
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/**
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* Returns an iterator of items for a page, or an empty array.
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*
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* @param integer $offset Page offset
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* @param integer $itemCountPerPage Number of items per page
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* @return LimitIterator|array
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*/
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public function getItems($offset, $itemCountPerPage)
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{
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if ($this->_count == 0) {
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return array();
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}
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return new LimitIterator($this->_iterator, $offset, $itemCountPerPage);
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}
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/**
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* Returns the total number of rows in the collection.
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*
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* @return integer
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*/
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public function count()
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{
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return $this->_count;
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}
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} |