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_Core
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: /**
29:  * Core layout update resource model
30:  *
31:  * @category    Mage
32:  * @package     Mage_Core
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Core_Model_Resource_Layout extends Mage_Core_Model_Resource_Db_Abstract
36: {
37:     /**
38:      * Define main table
39:      *
40:      */
41:     protected function _construct()
42:     {
43:         $this->_init('core/layout_update', 'layout_update_id');
44:     }
45: 
46:     /**
47:      * Retrieve layout updates by handle
48:      *
49:      * @param string $handle
50:      * @param array $params
51:      * @return string
52:      */
53:     public function fetchUpdatesByHandle($handle, $params = array())
54:     {
55:         $bind = array(
56:             'store_id'  => Mage::app()->getStore()->getId(),
57:             'area'      => Mage::getSingleton('core/design_package')->getArea(),
58:             'package'   => Mage::getSingleton('core/design_package')->getPackageName(),
59:             'theme'     => Mage::getSingleton('core/design_package')->getTheme('layout')
60:         );
61: 
62:         foreach ($params as $key => $value) {
63:             if (isset($bind[$key])) {
64:                 $bind[$key] = $value;
65:             }
66:         }
67:         $bind['layout_update_handle'] = $handle;
68:         $result = '';
69: 
70:         $readAdapter = $this->_getReadAdapter();
71:         if ($readAdapter) {
72:             $select = $readAdapter->select()
73:                 ->from(array('layout_update' => $this->getMainTable()), array('xml'))
74:                 ->join(array('link'=>$this->getTable('core/layout_link')), 
75:                         'link.layout_update_id=layout_update.layout_update_id',
76:                         '')
77:                 ->where('link.store_id IN (0, :store_id)')
78:                 ->where('link.area = :area')
79:                 ->where('link.package = :package')
80:                 ->where('link.theme = :theme')
81:                 ->where('layout_update.handle = :layout_update_handle')
82:                 ->order('layout_update.sort_order ' . Varien_Db_Select::SQL_ASC);
83: 
84:             $result = join('', $readAdapter->fetchCol($select, $bind));
85:         }
86:         return $result;
87:     }
88: }
89: