ArtMenu.php

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<?php
class ArtMenu extends CWidget
{
    public $items=array();
    public $itemTemplate;
    public $encodeLabel=true;
    public $activeCssClass='active';
    public $activateItems=true;
    public $activateParents=false;
    public $hideEmptyItems=true;
    public $htmlOptions=array();
    public $submenuHtmlOptions=array();
    // public $linkLabelWrapper;
    public $firstItemCssClass;
    public $lastItemCssClass;

        public $cls;

        public $prelinklabel;

        public $postlinklabel;

        public function init()
        {
                if (isset($this->cls))
                {
                        $this->htmlOptions['class']=$this->cls;
                }
                $route=$this->getController()->getRoute();
        $this->items=$this->normalizeItems($this->items,$route,$hasActiveChild);
        }

    public function run()
    {
        $this->renderMenu($this->items);
    }

    protected function renderMenu($items)
    {
        if(count($items))
        {
            echo CHtml::openTag('ul',$this->htmlOptions)."\n";
            $this->renderMenuRecursive($items);
            echo CHtml::closeTag('ul');
        }
    }

    protected function renderMenuRecursive($items)
    {
        $count=0;
        $n=count($items);
        foreach($items as $item)
        {
            $count++;
            $options=isset($item['itemOptions']) ? $item['itemOptions'] : array();
            $class=array();
            if($item['active'] && $this->activeCssClass!='')
                $class[]=$this->activeCssClass;
            if($count===1 && $this->firstItemCssClass!='')
                $class[]=$this->firstItemCssClass;
            if($count===$n && $this->lastItemCssClass!='')
                $class[]=$this->lastItemCssClass;
            if($class!==array())
            {
                if(empty($options['class']))
                    $options['class']=implode(' ',$class);
                else
                    $options['class'].=' '.implode(' ',$class);
            }

            echo CHtml::openTag('li', $options);

            $menu=$this->renderMenuItem($item);
            if(isset($this->itemTemplate) || isset($item['template']))
            {
                $template=isset($item['template']) ? $item['template'] : $this->itemTemplate;
                echo strtr($template,array('{menu}'=>$menu));
            }
            else
                echo $menu;

            if(isset($item['items']) && count($item['items']))
            {
                echo "\n".CHtml::openTag('ul',isset($item['submenuOptions']) ? $item['submenuOptions'] : $this->submenuHtmlOptions)."\n";
                $this->renderMenuRecursive($item['items']);
                echo CHtml::closeTag('ul')."\n";
            }

            echo CHtml::closeTag('li')."\n";
        }
    }

    protected function renderMenuItem($item)
    {
        if(isset($item['url']))
        {
                        // customization added by B. Lee 4/17/2011
                        //$label='<span class="l"></span><span class="r"></span><span class="t">'.$item['label'].'</span>';
                        
                        $label=$this->prelinklabel.$item['label'].$this->postlinklabel; 
                        if ($item['active'])
                        {
                                $item['linkOptions']=array('class' => 'active');
                        } // end of customization

            return CHtml::link($label,$item['url'],isset($item['linkOptions']) ? $item['linkOptions'] : array());
        }
        else
            return CHtml::tag('span',isset($item['linkOptions']) ? $item['linkOptions'] : array(), $item['label']);
    }

    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['active']))
            {
                if($this->activateParents && $hasActiveChild || $this->activateItems && $this->isItemActive($item,$route))
                    $active=$items[$i]['active']=true;
                else
                    $items[$i]['active']=false;
            }
            else if($item['active'])
                $active=true;
        }
        return array_values($items);
    }

    protected function isItemActive($item,$route)
    {
        if(isset($item['url']) && is_array($item['url']) && !strcasecmp(trim($item['url'][0],'/'),$route))
        {
            if(count($item['url'])>1)
            {
                foreach(array_splice($item['url'],1) as $name=>$value)
                {
                    if(!isset($_GET[$name]) || $_GET[$name]!=$value)
                        return false;
                }
            }
            return true;
        }
        return false;
    }
}