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_Cms
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:  * Cms Static Block Widget
30:  *
31:  * @category   Mage
32:  * @package    Mage_Cms
33:  * @author     Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Cms_Block_Widget_Block extends Mage_Core_Block_Template implements Mage_Widget_Block_Interface
36: {
37:     /**
38:      * Storage for used widgets
39:      *
40:      * @var array
41:      */
42:     static protected $_widgetUsageMap = array();
43: 
44:     /**
45:      * Prepare block text and determine whether block output enabled or not
46:      * Prevent blocks recursion if needed
47:      *
48:      * @return Mage_Cms_Block_Widget_Block
49:      */
50:     protected function _beforeToHtml()
51:     {
52:         parent::_beforeToHtml();
53:         $blockId = $this->getData('block_id');
54:         $blockHash = get_class($this) . $blockId;
55: 
56:         if (isset(self::$_widgetUsageMap[$blockHash])) {
57:             return $this;
58:         }
59:         self::$_widgetUsageMap[$blockHash] = true;
60: 
61:         if ($blockId) {
62:             $block = Mage::getModel('cms/block')
63:                 ->setStoreId(Mage::app()->getStore()->getId())
64:                 ->load($blockId);
65:             if ($block->getIsActive()) {
66:                 /* @var $helper Mage_Cms_Helper_Data */
67:                 $helper = Mage::helper('cms');
68:                 $processor = $helper->getBlockTemplateProcessor();
69:                 $this->setText($processor->filter($block->getContent()));
70:             }
71:         }
72: 
73:         unset(self::$_widgetUsageMap[$blockHash]);
74:         return $this;
75:     }
76: }
77: