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
29: *
30: * @category Mage
31: * @package Mage_Catalog
32: * @author Magento Core Team <core@magentocommerce.com>
33: */
34: class Mage_Catalog_Block_Layer_State extends Mage_Core_Block_Template
35: {
36: /**
37: * Initialize Layer State template
38: *
39: */
40: public function __construct()
41: {
42: parent::__construct();
43: $this->setTemplate('catalog/layer/state.phtml');
44: }
45:
46: /**
47: * Retrieve active filters
48: *
49: * @return array
50: */
51: public function getActiveFilters()
52: {
53: $filters = $this->getLayer()->getState()->getFilters();
54: if (!is_array($filters)) {
55: $filters = array();
56: }
57: return $filters;
58: }
59:
60: /**
61: * Retrieve Clear Filters URL
62: *
63: * @return string
64: */
65: public function getClearUrl()
66: {
67: $filterState = array();
68: foreach ($this->getActiveFilters() as $item) {
69: $filterState[$item->getFilter()->getRequestVar()] = $item->getFilter()->getCleanValue();
70: }
71: $params['_current'] = true;
72: $params['_use_rewrite'] = true;
73: $params['_query'] = $filterState;
74: $params['_escape'] = true;
75: return Mage::getUrl('*/*/*', $params);
76: }
77:
78: /**
79: * Retrieve Layer object
80: *
81: * @return Mage_Catalog_Model_Layer
82: */
83: public function getLayer()
84: {
85: if (!$this->hasData('layer')) {
86: $this->setLayer(Mage::getSingleton('catalog/layer'));
87: }
88: return $this->_getData('layer');
89: }
90: }
91: