magento 得到树形结构的分类列表

<?php

?>

<?php

 

class Lehui_AllCategoryList_Block_List extends Mage_Core_Block_Template

{

    

    protected $_store;

    protected $_baseUrl;

    

    protected function _construct(){

        parent::_construct();

        $this->_init();

    }

    

    protected function _init(){

        $this->_store=Mage::app()->getStore();

         $this->_baseUrl=Mage::getBaseUrl();

    }

    

    

    public function getAllCategory(){

        

        $parentId = 1;

        

        $tree = Mage::getResourceSingleton('catalog/category_tree')->load();

        $root = $tree->getNodeById($parentId);

        if($root && $root->getId() == 1) {

            $root->setName(Mage::helper('catalog')->__('Root'));

        }

        foreach(get_class_methods($tree) as $item){

           // echo $item,"</br>";

        }

        $collection = Mage::getModel('catalog/category')->getCollection()

                        ->addAttributeToSelect('name')

                        ->addAttributeToSelect('url_path')

                        ->addAttributeToSelect('path')

                        ->addAttributeToSelect('is_active')

                        ->addIsActiveFilter();

        //echo $collection->getSelectSql();//->addPathFilter('1\\/'.$this->_store->getRootCategoryId().'\\/')

        foreach(get_class_methods($collection) as $item){

            //echo $item,"</br>";

        }

        $tree->addCollectionData($collection, true);

        $root=$this->_nodeToArray($root);

        $this->_print_tree($root['children'],0);

    }

    

    

    protected function _print_tree($tree,$level){

        $level++;

        foreach($tree as $item){

            if($level>1&preg_match('/1\\/'.$this->_store->getRootCategoryId().'\\//',$item['path'])){

                echo str_repeat('&nbsp;&nbsp;', $level).'<a href="'.$item['url'].'">'.$item['name']."</a><br>";

            }

            $this->_print_tree($item['children'],$level); 

        }

    }

    

    

    protected function _nodeToArray(Varien_Data_Tree_Node $node){

        $result = array();

        $result['category_id'] = $node->getId();

        $result['parent_id'] = $node->getParentId();

        $result['name'] = $node->getName();

        $result['is_active'] = $node->getIsActive();

        $result['position'] = $node->getPosition();

        $result['level'] = $node->getLevel();

        $result['url']=$this->_baseUrl.$node->getData('url_path');

        $result['path']=$node->getData('path');

        $result['children'] = array();

        

        foreach ($node->getChildren() as $child) {

            $result['children'][] = $this->_nodeToArray($child);

        }

        

        return $result;

    }

    

    

    

}