EMenu.php

class EMenu extends CMenu
{
    /**
     * Checks whether a menu item is active.
     * This is done by checking if the currently requested URL is generated by the 'url' option
     * of the menu item. Note that the GET parameters not specified in the 'url' option will be ignored.
     * @param array $item the menu item to be checked
     * @param string $route the route of the current request
     * @return boolean whether the menu item is active
     */
    protected function isItemActive($item,$route)
    {
        $uri     = Yii::app()->request->requestUri;
        $subitem = substr($item['url'], 0, -1);

        if(!strcasecmp($item['url'], $uri) || ($subitem && (strpos($uri, $subitem) !== false)))
            return true;
        else
            return parent::isItemActive($item,$route);
    }

    /**
     * Normalizes the {@link items} property so that the 'active' state is properly identified for every menu item.
     * @param array $items the items to be normalized.
     * @param string $route the route of the current request.
     * @param boolean $active whether there is an active child menu item.
     * @return array the normalized menu items
     */
    protected function normalizeItems($items, $route, &$active)
    {
        foreach($items as $i=>$item)
        {
            if(isset($item['visible']) && !$item['visible'])
            {
                unset($items[$i]);
                continue;
            }

            if(!isset($item['label']))
            {
                $item['label']='';
            }

            if($this->encodeLabel)
            {
                $items[$i]['label']=CHtml::encode($item['label']);
            }

            $hasActiveChild=false;

            if(isset($item['items']))
            {
                $items[$i]['items']=$this->normalizeItems($item['items'],$route,$hasActiveChild);
                if(empty($items[$i]['items']) && $this->hideEmptyItems)
                {
                    unset($items[$i]['items']);
                    if(!isset($item['url']))
                    {
                        unset($items[$i]);
                        continue;
                    }
                }
            }

            if(!isset($item['active']))
            {
                if($this->activateParents && $hasActiveChild || $this->activateItems && $this->isItemActive($item,$route))
                {
                    $active = $items[$i]['active'] = true;
                    if (!$hasActiveChild)
                    {
                        $items[$i]['linkOptions']['rel'] = 'nofollow';
                    }
                }
                else
                {
                    $items[$i]['active'] = false;
                }
            }
            elseif($item['active'])
            {
                $active = true;
            }
        }

        return array_values($items);
    }
}