Magento CE 1.9 top.links active class

links.phtml

<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License (AFL 3.0)
 * that is bundled with this package in the file LICENSE_AFL.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/afl-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    design
 * @package     base_default
 * @copyright   Copyright (c) 2014 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
 */
?>
<?php
/**
 * @see Mage_Page_Block_Template_Links
 */
?>


<?php $_links = $this->getLinks(); ?>
<?php $_currentUrl = Mage::helper('core/url')->getCurrentUrl(); ?>
<?php if(count($_links)>0): ?>
<ul class="links"<?php if($this->getName()): ?> id="<?php echo $this->getName() ?>"<?php endif;?>>
    <?php foreach($_links as $_link): ?>
        <?php if ($_link instanceof Mage_Core_Block_Abstract):?>
            <?php echo $_link->toHtml() ?>
        <?php else: ?>
            <?php 
                $pageLink = $_link->getUrl();

                $pageUri = $_SERVER['REQUEST_URI'];
                $activeClass = false;

                switch (true){
                    case strpos($pageLink,'/customer/account/login') !== false:
                        $activeID = "top-login";
                        if (strstr($pageUri,'/customer/account/login')) {
                            $activeClass = true;
                        }
                        break;
                    case strpos($pageLink,'/customer/account/logout') !== false:
                        $activeID = "top-logout";                   
                        break;                    
                    case strpos($pageLink,'/customer/account/') !== false:
                        $activeID = "top-account";
                        if ((strstr($pageUri,'/customer/') && strstr($pageUri,'/customer/account/login')===false && strstr($pageUri,'/customer/account/logoutSuccess/')===false) || strstr($pageUri,'/sales/order/history/') || strstr($pageUri,'/sales/billing_agreement/') || strstr($pageUri,'/sales/recurring_profile/') || strstr($pageUri,'/oauth/customer_token/') || strstr($pageUri,'/newsletter/manage/')) {
                            $activeClass = true;
                        }        
                        break;
                    case strpos($pageLink,'/checkout/cart/') !== false:
                        $activeID = "top-cart";
                        if (strstr($pageUri,'/checkout/cart/')) {
                            $activeClass = true;
                        }                    
                        break;
                    case strpos($pageLink,'/checkout/') !== false:
                        $activeID = "top-checkout";
                        if (strstr($pageUri,'/checkout/') && strstr($pageUri,'/checkout/cart/')===false) {
                            $activeClass = true;
                        }                    
                        break; 
                    default:
                        $activeID = "";
                        $activeClass = false;
                }
                
            ?>
            <li id="<?php echo $activeID; ?>" class="<?php echo ($activeClass ? 'active' : ''); ?> <?php echo $_link->getLiParams() ?>"><?php echo $_link->getBeforeText() ?>
            	<div class="medium metro rounded btn">
            		<a href="<?php echo $_link->getUrl() ?>" title="<?php echo $_link->getTitle() ?>" <?php echo $_link->getAParams() ?>><?php echo $_link->getLabel() ?></a><?php echo $_link->getAfterText() ?>
            	</div>
            </li>
        <?php endif;?>
    <?php endforeach; ?>
</ul>
<?php endif; ?>

This file is designed for Magento CE 1.9 base/default theme (not RWD theme) to add a class to the default top links when the user is on one of those pages. For example if the user is on My Cart then this will add the class 'top-cart' to the

for that link.