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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Paginator
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Elastic.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Paginator_ScrollingStyle_Sliding
*/
require_once 'Zend/Paginator/ScrollingStyle/Sliding.php';
/**
* A Google-like scrolling style. Incrementally expands the range to about
* twice the given page range, then behaves like a slider. See the example
* link.
*
* @link http://www.google.com/search?q=Zend+Framework
* @category Zend
* @package Zend_Paginator
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Paginator_ScrollingStyle_Elastic extends Zend_Paginator_ScrollingStyle_Sliding
{
/**
* Returns an array of "local" pages given a page number and range.
*
* @param Zend_Paginator $paginator
* @param integer $pageRange Unused
* @return array
*/
public function getPages(Zend_Paginator $paginator, $pageRange = null)
{
$pageRange = $paginator->getPageRange();
$pageNumber = $paginator->getCurrentPageNumber();
$originalPageRange = $pageRange;
$pageRange = $pageRange * 2 - 1;
if ($originalPageRange + $pageNumber - 1 < $pageRange) {
$pageRange = $originalPageRange + $pageNumber - 1;
} else if ($originalPageRange + $pageNumber - 1 > count($paginator)) {
$pageRange = $originalPageRange + count($paginator) - $pageNumber;
}
return parent::getPages($paginator, $pageRange);
}
}
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