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:  * Config data model
 30:  *
 31:  * @method Mage_Core_Model_Resource_Config_Data _getResource()
 32:  * @method Mage_Core_Model_Resource_Config_Data getResource()
 33:  * @method string getScope()
 34:  * @method Mage_Core_Model_Config_Data setScope(string $value)
 35:  * @method int getScopeId()
 36:  * @method Mage_Core_Model_Config_Data setScopeId(int $value)
 37:  * @method string getPath()
 38:  * @method Mage_Core_Model_Config_Data setPath(string $value)
 39:  * @method string getValue()
 40:  * @method Mage_Core_Model_Config_Data setValue(string $value)
 41:  *
 42:  * @category    Mage
 43:  * @package     Mage_Core
 44:  * @author      Magento Core Team <core@magentocommerce.com>
 45:  */
 46: class Mage_Core_Model_Config_Data extends Mage_Core_Model_Abstract
 47: {
 48:     const ENTITY = 'core_config_data';
 49:     /**
 50:      * Prefix of model events names
 51:      *
 52:      * @var string
 53:      */
 54:     protected $_eventPrefix = 'core_config_data';
 55: 
 56:     /**
 57:      * Parameter name in event
 58:      *
 59:      * In observe method you can use $observer->getEvent()->getObject() in this case
 60:      *
 61:      * @var string
 62:      */
 63:     protected $_eventObject = 'config_data';
 64: 
 65:     /**
 66:      * Varien model constructor
 67:      */
 68:     protected function _construct()
 69:     {
 70:         $this->_init('core/config_data');
 71:     }
 72: 
 73:     /**
 74:      * Add availability call after load as public
 75:      */
 76:     public function afterLoad()
 77:     {
 78:         $this->_afterLoad();
 79:     }
 80: 
 81:     /**
 82:      * Check if config data value was changed
 83:      *
 84:      * @return bool
 85:      */
 86:     public function isValueChanged()
 87:     {
 88:         return $this->getValue() != $this->getOldValue();
 89:     }
 90: 
 91:     /**
 92:      * Get old value from existing config
 93:      *
 94:      * @return string
 95:      */
 96:     public function getOldValue()
 97:     {
 98:         $storeCode   = $this->getStoreCode();
 99:         $websiteCode = $this->getWebsiteCode();
100:         $path        = $this->getPath();
101: 
102:         if ($storeCode) {
103:             return Mage::app()->getStore($storeCode)->getConfig($path);
104:         }
105:         if ($websiteCode) {
106:             return Mage::app()->getWebsite($websiteCode)->getConfig($path);
107:         }
108:         return (string) Mage::getConfig()->getNode('default/' . $path);
109:     }
110:     
111: 
112:      /**
113:      * Get value by key for new user data from <section>/groups/<group>/fields/<field>
114:      * 
115:      * @return string
116:      */
117:     public function getFieldsetDataValue($key)
118:     {
119:         $data = $this->_getData('fieldset_data');
120:         return (is_array($data) && isset($data[$key])) ? $data[$key] : null;
121:     }
122: }
123: