<?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)
 */
 
/**
 * Catalog breadcrumbs
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Block_Breadcrumbs extends Mage_Core_Block_Template
{
    /**
     * Retrieve HTML title value separator (with space)
     *
     * @param mixed $store
     * @return string
     */
    public function getTitleSeparator($store = null)
    {
        $separator = (string)Mage::getStoreConfig('catalog/seo/title_separator', $store);
        return ' ' . $separator . ' ';
    }

    /**
     * Preparing layout
     *
     * @return Mage_Catalog_Block_Breadcrumbs
     */
    protected function _prepareLayout()
    {
        if ($breadcrumbsBlock = $this->getLayout()->getBlock('breadcrumbs')) {
            $breadcrumbsBlock->addCrumb('home', array(
                'label'=>Mage::helper('catalog')->__('Home'),
                'title'=>Mage::helper('catalog')->__('Go to Home Page'),
                'link'=>Mage::getBaseUrl()
            ));

            $title = array();
            $path  = Mage::helper('catalog')->getBreadcrumbPath();

            foreach ($path as $name => $breadcrumb) {
                $breadcrumbsBlock->addCrumb($name, $breadcrumb);
                $title[] = $breadcrumb['label'];
            }

            if ($headBlock = $this->getLayout()->getBlock('head')) {
                $headBlock->setTitle(join($this->getTitleSeparator(), array_reverse($title)));
            }
        }
        return parent::_prepareLayout();
    }
}