1: <?php
2: /**
3: * Magento
4: *
5: * NOTICE OF LICENSE
6: *
7: * This source file is subject to the Open Software License (OSL 3.0)
8: * that is bundled with this package in the file LICENSE.txt.
9: * It is also available through the world-wide-web at this URL:
10: * http://opensource.org/licenses/osl-3.0.php
11: * If you did not receive a copy of the license and are unable to
12: * obtain it through the world-wide-web, please send an email
13: * to license@magentocommerce.com so we can send you a copy immediately.
14: *
15: * DISCLAIMER
16: *
17: * Do not edit or add to this file if you wish to upgrade Magento to newer
18: * versions in the future. If you wish to customize Magento for your
19: * needs please refer to http://www.magentocommerce.com for more information.
20: *
21: * @category Mage
22: * @package Mage_Catalog
23: * @copyright Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24: * @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
25: */
26:
27: /**
28: * Layered navigation state model
29: *
30: * @category Mage
31: * @package Mage_Catalog
32: * @author Magento Core Team <core@magentocommerce.com>
33: */
34: class Mage_Catalog_Model_Layer_State extends Varien_Object
35: {
36: /**
37: * Add filter item to layer state
38: *
39: * @param Mage_Catalog_Model_Layer_Filter_Item $filter
40: * @return Mage_Catalog_Model_Layer_State
41: */
42: public function addFilter($filter)
43: {
44: $filters = $this->getFilters();
45: $filters[] = $filter;
46: $this->setFilters($filters);
47: return $this;
48: }
49:
50: /**
51: * Set layer state filter items
52: *
53: * @param array $filters
54: * @return Mage_Catalog_Model_Layer_State
55: */
56: public function setFilters($filters)
57: {
58: if (!is_array($filters)) {
59: Mage::throwException(Mage::helper('catalog')->__('The filters must be an array.'));
60: }
61: $this->setData('filters', $filters);
62: return $this;
63: }
64:
65: /**
66: * Get applied to layer filter items
67: *
68: * @return array
69: */
70: public function getFilters()
71: {
72: $filters = $this->getData('filters');
73: if (is_null($filters)) {
74: $filters = array();
75: $this->setData('filters', $filters);
76: }
77: return $filters;
78: }
79: }
80: