<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Product description block
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Block_Product_View_Attributes extends Mage_Core_Block_Template
{
    protected $_product = null;

    function getProduct()
    {
        if (!$this->_product) {
            $this->_product = Mage::registry('product');
        }
        return $this->_product;
    }

    /**
     * $excludeAttr is optional array of attribute codes to
     * exclude them from additional data array
     *
     * @param array $excludeAttr
     * @return array
     */
    public function getAdditionalData(array $excludeAttr = array())
    {
        $data = array();
        $product = $this->getProduct();
        $attributes = $product->getAttributes();
        foreach ($attributes as $attribute) {
//            if ($attribute->getIsVisibleOnFront() && $attribute->getIsUserDefined() && !in_array($attribute->getAttributeCode(), $excludeAttr)) {
            if ($attribute->getIsVisibleOnFront() && !in_array($attribute->getAttributeCode(), $excludeAttr)) {
                $value = $attribute->getFrontend()->getValue($product);

                if (!$product->hasData($attribute->getAttributeCode())) {
                    $value = Mage::helper('catalog')->__('N/A');
                } elseif ((string)$value == '') {
                    $value = Mage::helper('catalog')->__('No');
                } elseif ($attribute->getFrontendInput() == 'price' && is_string($value)) {
                    $value = Mage::app()->getStore()->convertPrice($value, true);
                }

                if (is_string($value) && strlen($value)) {
                    $data[$attribute->getAttributeCode()] = array(
                        'label' => $attribute->getStoreLabel(),
                        'value' => $value,
                        'code'  => $attribute->getAttributeCode()
                    );
                }
            }
        }
        return $data;
    }
}
