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Filename : Jumping.php
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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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id$
 */

/**
 * @see Zend_Paginator_ScrollingStyle_Interface
 */
;// require_once 'Zend/Paginator/ScrollingStyle/Interface.php';

/**
 * A scrolling style in which the cursor advances to the upper bound
 * of the page range, the page range "jumps" to the next section, and
 * the cursor moves back to the beginning of the range.
 *
 * @category   Zend
 * @package    Zend_Paginator
 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Paginator_ScrollingStyle_Jumping implements Zend_Paginator_ScrollingStyle_Interface
{
    /**
     * 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();

        $delta = $pageNumber % $pageRange;

        if ($delta == 0) {
            $delta = $pageRange;
        }

        $offset     = $pageNumber - $delta;
        $lowerBound = $offset + 1;
        $upperBound = $offset + $pageRange;

        return $paginator->getPagesInRange($lowerBound, $upperBound);
    }
}