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_Adminhtml
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: * Directory currency abstract backend model
30: *
31: * Allows dispatching before and after events for each controller action
32: *
33: * @category Mage
34: * @package Mage_Adminhtml
35: * @author Magento Core Team <core@magentocommerce.com>
36: */
37: abstract class Mage_Adminhtml_Model_System_Config_Backend_Currency_Abstract extends Mage_Core_Model_Config_Data
38: {
39: /**
40: * Retrieve allowed currencies for current scope
41: *
42: * @return array
43: */
44: protected function _getAllowedCurrencies()
45: {
46: if ($this->getData('groups/options/fields/allow/inherit')) {
47: return explode(',', Mage::getConfig()->getNode('currency/options/allow', $this->getScope(), $this->getScopeId()));
48: }
49: return $this->getData('groups/options/fields/allow/value');
50: }
51:
52: /**
53: * Retrieve Installed Currencies
54: *
55: * @return array
56: */
57: protected function _getInstalledCurrencies()
58: {
59: return explode(',', Mage::getStoreConfig('system/currency/installed'));
60: }
61:
62: /**
63: * Retrieve Base Currency value for current scope
64: *
65: * @return string
66: */
67: protected function _getCurrencyBase()
68: {
69: if (!$value = $this->getData('groups/options/fields/base/value')) {
70: $value = Mage::getConfig()->getNode(
71: Mage_Directory_Model_Currency::XML_PATH_CURRENCY_BASE,
72: $this->getScope(),
73: $this->getScopeId()
74: );
75: }
76: return strval($value);
77: }
78:
79: /**
80: * Retrieve Default desplay Currency value for current scope
81: *
82: * @return string
83: */
84: protected function _getCurrencyDefault()
85: {
86: if (!$value = $this->getData('groups/options/fields/default/value')) {
87: $value = Mage::getConfig()->getNode(
88: Mage_Directory_Model_Currency::XML_PATH_CURRENCY_DEFAULT,
89: $this->getScope(),
90: $this->getScopeId()
91: );
92: }
93: return strval($value);
94: }
95: }
96: