Magento: app/code/core/Mage/Catalog/Model/Layer/State.php Source File

00001 <?php
00002 /**
00003  * Magento
00004  *
00005  * NOTICE OF LICENSE
00006  *
00007  * This source file is subject to the Open Software License (OSL 3.0)
00008  * that is bundled with this package in the file LICENSE.txt.
00009  * It is also available through the world-wide-web at this URL:
00010  * http://opensource.org/licenses/osl-3.0.php
00011  * If you did not receive a copy of the license and are unable to
00012  * obtain it through the world-wide-web, please send an email
00013  * to license@magentocommerce.com so we can send you a copy immediately.
00014  *
00015  * DISCLAIMER
00016  *
00017  * Do not edit or add to this file if you wish to upgrade Magento to newer
00018  * versions in the future. If you wish to customize Magento for your
00019  * needs please refer to http://www.magentocommerce.com for more information.
00020  *
00021  * @category   Mage
00022  * @package    Mage_Catalog
00023  * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
00024  * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
00025  */
00026 
00027 /**
00028  * Layered navigation state model
00029  *
00030  * @category    Mage
00031  * @package     Mage_Catalog
00032  * @author      Magento Core Team <core@magentocommerce.com>
00033  */
00034 class Mage_Catalog_Model_Layer_State extends Varien_Object
00035 {
00036     /**
00037      * Add filter item to layer state
00038      *
00039      * @param   Mage_Catalog_Model_Layer_Filter_Item $filter
00040      * @return  Mage_Catalog_Model_Layer_State
00041      */
00042     public function addFilter($filter)
00043     {
00044         $filters = $this->getFilters();
00045         $filters[] = $filter;
00046         $this->setFilters($filters);
00047         return $this;
00048     }
00049 
00050     /**
00051      * Set layer state filter items
00052      *
00053      * @param   array $filters
00054      * @return  Mage_Catalog_Model_Layer_State
00055      */
00056     public function setFilters($filters)
00057     {
00058         if (!is_array($filters)) {
00059             Mage::throwException(Mage::helper('catalog')->__('Filters must be as array'));
00060         }
00061         $this->setData('filters', $filters);
00062         return $this;
00063     }
00064 
00065     /**
00066      * Get applied to layer filter items
00067      *
00068      * @return array
00069      */
00070     public function getFilters()
00071     {
00072         $filters = $this->getData('filters');
00073         if (is_null($filters)) {
00074             $filters = array();
00075             $this->setData('filters', $filters);
00076         }
00077         return $filters;
00078     }
00079 }