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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_View
  * @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    $Id$
  */
 
 /**
  * @category   Zend
  * @package    Zend_View
  * @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_View_Helper_PaginationControl
 {
     /**
      * View instance
      *
      * @var Zend_View_Instance
      */
     public $view = null;
 
     /**
      * Default view partial
      *
      * @var string|array
      */
     protected static $_defaultViewPartial = null;
 
     /**
      * Sets the view instance.
      *
      * @param  Zend_View_Interface $view View instance
      * @return Zend_View_Helper_PaginationControl
      */
     public function setView(Zend_View_Interface $view)
     {
         $this->view = $view;
         return $this;
     }
 
     /**
      * Sets the default view partial.
      *
      * @param string|array $partial View partial
      */
     public static function setDefaultViewPartial($partial)
     {
         self::$_defaultViewPartial = $partial;
     }
 
     /**
      * Gets the default view partial
      *
      * @return string|array
      */
     public static function getDefaultViewPartial()
     {
         return self::$_defaultViewPartial;
     }
 
     /**
      * Render the provided pages.  This checks if $view->paginator is set and,
      * if so, uses that.  Also, if no scrolling style or partial are specified,
      * the defaults will be used (if set).
      *
      * @param  Zend_Paginator (Optional) $paginator
      * @param  string $scrollingStyle (Optional) Scrolling style
      * @param  string $partial (Optional) View partial
      * @param  array|string $params (Optional) params to pass to the partial
      * @return string
      * @throws Zend_View_Exception
      */
     public function paginationControl(Zend_Paginator $paginator = null, $scrollingStyle = null, $partial = null, $params = null)
     {
         if ($paginator === null) {
             if (isset($this->view->paginator) and $this->view->paginator !== null and $this->view->paginator instanceof Zend_Paginator) {
                 $paginator = $this->view->paginator;
             } else {
                 /**
                  * @see Zend_View_Exception
                  */
                 // require_once 'Zend/View/Exception.php';
 
                 $e = new Zend_View_Exception('No paginator instance provided or incorrect type');
                 $e->setView($this->view);
                 throw $e;
             }
         }
 
         if ($partial === null) {
             if (self::$_defaultViewPartial === null) {
                 /**
                  * @see Zend_View_Exception
                  */
                 // require_once 'Zend/View/Exception.php';
                 $e = new Zend_View_Exception('No view partial provided and no default set');
                 $e->setView($this->view);
                 throw $e;
             }
 
             $partial = self::$_defaultViewPartial;
         }
 
         $pages = get_object_vars($paginator->getPages($scrollingStyle));
 
         if ($params !== null) {
             $pages = array_merge($pages, (array) $params);
         }
 
         if (is_array($partial)) {
             if (count($partial) != 2) {
                 /**
                  * @see Zend_View_Exception
                  */
                 // require_once 'Zend/View/Exception.php';
                 $e = new Zend_View_Exception('A view partial supplied as an array must contain two values: the filename and its module');
                 $e->setView($this->view);
                 throw $e;
             }
 
             if ($partial[1] !== null) {
                 return $this->view->partial($partial[0], $partial[1], $pages);
             }
 
             $partial = $partial[0];
         }
 
         return $this->view->partial($partial, $pages);
     }
 }