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_Eav
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:  * EAV Entity Attribute Data Factory
30:  *
31:  * @category    Mage
32:  * @package     Mage_Eav
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Eav_Model_Attribute_Data
36: {
37:     const OUTPUT_FORMAT_JSON    = 'json';
38:     const OUTPUT_FORMAT_TEXT    = 'text';
39:     const OUTPUT_FORMAT_HTML    = 'html';
40:     const OUTPUT_FORMAT_PDF     = 'pdf';
41:     const OUTPUT_FORMAT_ONELINE = 'oneline';
42:     const OUTPUT_FORMAT_ARRAY   = 'array'; // available only for multiply attributes
43: 
44:     /**
45:      * Array of attribute data models by input type
46:      *
47:      * @var array
48:      */
49:     protected static $_dataModels   = array();
50: 
51:     /**
52:      * Return attribute data model by attribute
53:      * Set entity to data model (need for work)
54:      *
55:      * @param Mage_Eav_Model_Attribute $attribute
56:      * @param Mage_Core_Model_Abstract $entity
57:      * @return Mage_Eav_Model_Attribute_Data_Abstract
58:      */
59:     public static function factory(Mage_Eav_Model_Attribute $attribute, Mage_Core_Model_Abstract $entity)
60:     {
61:         /* @var $dataModel Mage_Eav_Model_Attribute_Data_Abstract */
62:         $dataModelClass = $attribute->getDataModel();
63:         if (!empty($dataModelClass)) {
64:             if (empty(self::$_dataModels[$dataModelClass])) {
65:                 $dataModel = Mage::getModel($dataModelClass);
66:                 self::$_dataModels[$dataModelClass] = $dataModel;
67:             } else {
68:                 $dataModel = self::$_dataModels[$dataModelClass];
69:             }
70:         } else {
71:             if (empty(self::$_dataModels[$attribute->getFrontendInput()])) {
72:                 $dataModelClass = sprintf('eav/attribute_data_%s', $attribute->getFrontendInput());
73:                 $dataModel      = Mage::getModel($dataModelClass);
74:                 self::$_dataModels[$attribute->getFrontendInput()] = $dataModel;
75:             } else {
76:                 $dataModel = self::$_dataModels[$attribute->getFrontendInput()];
77:             }
78:         }
79: 
80:         $dataModel->setAttribute($attribute);
81:         $dataModel->setEntity($entity);
82: 
83:         return $dataModel;
84:     }
85: }
86: