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_Sales
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: * Configuration class for totals
29: *
30: *
31: * @category Mage
32: * @package Mage_Sales
33: * @author Magento Core Team <core@magentocommerce.com>
34: */
35: class Mage_Sales_Model_Order_Total_Config_Base extends Mage_Sales_Model_Config_Ordered
36: {
37: /**
38: * Cache key for collectors
39: *
40: * @var string
41: */
42: protected $_collectorsCacheKey = 'sorted_collectors';
43:
44: /**
45: * Total models list
46: *
47: * @var array
48: */
49: protected $_totalModels = array();
50:
51: /**
52: * Configuration path where to collect registered totals
53: *
54: * @var string
55: */
56: protected $_totalsConfigNode = 'totals';
57:
58: /**
59: * Init model class by configuration
60: *
61: * @param string $class
62: * @param string $totalCode
63: * @param array $totalConfig
64: * @return Mage_Sales_Model_Order_Total_Abstract
65: */
66: protected function _initModelInstance($class, $totalCode, $totalConfig)
67: {
68: $model = Mage::getModel($class);
69: if (!$model instanceof Mage_Sales_Model_Order_Total_Abstract) {
70: Mage::throwException(Mage::helper('sales')->__('Total model should be extended from Mage_Sales_Model_Order_Total_Abstract.'));
71: }
72:
73: $model->setCode($totalCode);
74: $model->setTotalConfigNode($totalConfig);
75: $this->_modelsConfig[$totalCode] = $this->_prepareConfigArray($totalCode, $totalConfig);
76: $this->_modelsConfig[$totalCode] = $model->processConfigArray($this->_modelsConfig[$totalCode]);
77: return $model;
78: }
79:
80: /**
81: * Retrieve total calculation models
82: *
83: * @return array
84: */
85: public function getTotalModels()
86: {
87: if (empty($this->_totalModels)) {
88: $this->_initModels();
89: $this->_initCollectors();
90: $this->_totalModels = $this->_collectors;
91: }
92: return $this->_totalModels;
93: }
94: }
95: