使用观察者 magento 1.9 将第 n 级 cms 页面添加到顶部菜单答案

【问题标题】：Add nth level cms page to top menu using observer magento 1.9使用观察者 magento 1.9 将第 n 级 cms 页面添加到顶部菜单
【发布时间】：2015-08-06 11:05:17
【问题描述】：

我正在尝试将 cms 页面添加到顶部导航，但它只显示两个级别如何使用递归方法将该子级添加到父级。

public function addItemsToTopmenuItems($observer)
{
 $menu = $observer->getMenu();
$tree = $menu->getTree();

$node = new Varien_Data_Tree_Node(array(
        'name'   => 'Categories',
        'id'     => 'categories',
        'url'    => Mage::getUrl(), // point somewhere
), 'id', $tree, $menu);

$menu->addChild($node);

// Children menu items
$collection = Mage::getModel('cms/page')->getCollection()
          ->addFieldToFilter('is_active',1)
          ->addFieldToFilter('identifier',array(array('nin'=>array('no-route','enable-cookies'))));

foreach ($collection as $category) {
    $tree = $node->getTree();
    $data = array(
        'name'   => $category->getTitle(),
        'id'     => 'category-node-'.$category->getId(),
        'url'    => Mage::getUrl($category->getIdentifier()),
    );

    $subNode = new Varien_Data_Tree_Node($data, 'id', $tree, $node);
    $node->addChild($subNode);
}
}

【问题讨论】：

标签： magento drop-down-menu submenu magento-1.9

【解决方案1】：

这周我遇到了你的情况，最后我使用树节点实现了解决方案。这是解决方案：

public function addItemsToTopmenuItems($observer)
{
        /** @var Varien_Data_Tree_Node */
        $menu = $observer->getMenu();
        /** @var  Varien_Data_Tree*/
        $tree = $menu->getTree();

        /** @var Varien_Data_Tree_Node_Collection */
        $menuCollection = $menu->getChildren();

        /** @var array of Varien_Data_Tree_Node*/
        $nodes = $menuCollection->getNodes();


        //Get "inlcude in navigation menu" parent CMS pages
        $collection = Mage::getModel('cms/page')->getCollection()
            ->addFieldToFilter('include_in_nav',true)
            ->addFieldToFilter('is_active',true)
            ->addFieldToFilter('parent_id', array(array('null' => true), array('eq' => 0)))
            ->setOrder('sort_order');


        $cmsHelper=Mage::helper('cms/page');

        foreach ($collection as $item) {

            $node = new Varien_Data_Tree_Node(array(
                'name'   => $item->getData('title'),
                'id'     => $item->getData('identifier'),
                'url'    => $cmsHelper->getPageUrl($item->getData('page_id')), // point somewhere
            ), 'id', $tree, $menu);


            $menu->addChild($node);

            $parent_id = $item->getData('page_id');
            $this->getAllChilds($node,$parent_id);
        }
    }

还有getAllChilds函数：

private function getAllChilds($node,$parent, $defaultNode = null){
    $cmsHelper=Mage::helper('cms/page');

    $pages = Mage::getModel('cms/page')
        ->getCollection()
        ->addFieldToSelect('title')
        ->addFieldToSelect('page_id')
        ->addFieldToSelect('identifier')
        ->addFieldToFilter('parent_id', $parent)
        ->addFieldToFilter('is_active', 1)
        ->load();

    $tree = $node->getTree();

    if(count($pages) > 0) {
        foreach ($pages as $item){
            $data = array(
                'name' => $item->getData('title'),
                'id' => $item->getData('identifier'),
                'url' => $cmsHelper->getPageUrl($item->getData('page_id')),
            );

            $subNode = new Varien_Data_Tree_Node($data, 'id', $tree, $node);
            $node->addChild($subNode);

            $node = $this->getAllChilds($subNode,$item->getData('page_id'), $node);
        }
        $node = $this->getAllChilds($subNode,$item->getData('page_id'));
    }

    $childNode = $node;
    if($defaultNode !== null)
        $childNode = $defaultNode;

    return $childNode;
}

但是您需要在 cms 表中添加一些额外的数据，例如“parent_id”字段。这是我的 mysql4-install-0.1.0.php 文件：

<?php

$installer = $this;
$installer->startSetup();


$table = $installer->getTable('cms/page');

$installer->getConnection()->addColumn($table,'parent_id',array(
    'type'      =>Varien_Db_Ddl_Table::TYPE_INTEGER,
    'comment'   => 'Parent CMS Page'
));

$installer->getConnection()->addColumn($table,'include_in_nav',
    array(
        'type'      =>Varien_Db_Ddl_Table::TYPE_BOOLEAN,
        'comment'   => 'Include in navigation menu'
    ));

$installer->getConnection()->addColumn($table,'position',
    array(
        'type'      =>Varien_Db_Ddl_Table::TYPE_INTEGER,
        'comment'   => 'Position from navigation (category) menu. 1=left; 2=right'
    )); //1: left; 2: right

$installer->endSetup();

最后，您需要将这些字段添加到 CMS / Pages 后端菜单：https://www.atwix.com/magento/adding-custom-attribute-to-a-cms-page/

最好的问候！

【讨论】：