1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_XmlConnect
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Category list xml renderer
 29:  *
 30:  * @category    Mage
 31:  * @package     Mage_XmlConnect
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_XmlConnect_Block_Catalog_Category extends Mage_XmlConnect_Block_Catalog
 35: {
 36:     /**
 37:      * Render block HTML
 38:      *
 39:      * @return string
 40:      */
 41:     protected function _toHtml()
 42:     {
 43:         /** @var $categoryXmlObj Mage_XmlConnect_Model_Simplexml_Element */
 44:         $categoryXmlObj = Mage::getModel('xmlconnect/simplexml_element', '<category></category>');
 45:         $categoryId     = $this->getRequest()->getParam('id', null);
 46:         if ($categoryId === null) {
 47:             $categoryId = Mage::app()->getStore()->getRootCategoryId();
 48:         }
 49: 
 50:         $productsXmlObj = $productListBlock = false;
 51:         /** @var $categoryModel Mage_Catalog_Model_Category */
 52:         $categoryModel  = Mage::getModel('catalog/category')->load($categoryId);
 53:         if ($categoryModel->getId()) {
 54:             $hasMoreProductItems = 0;
 55:             $productListBlock = $this->getChild('product_list');
 56:             if ($productListBlock && $categoryModel->getLevel() > 1) {
 57:                 $layer = Mage::getSingleton('catalog/layer');
 58:                 $productsXmlObj = $productListBlock->setCategory($categoryModel)->setLayer($layer)
 59:                     ->getProductsXmlObject();
 60:                 $hasMoreProductItems = (int)$productListBlock->getHasProductItems();
 61:             }
 62: 
 63:             $infoBlock = $this->getChild('category_info');
 64:             if ($infoBlock) {
 65:                 $categoryInfoXmlObj = $infoBlock->setCategory($categoryModel)->getCategoryInfoXmlObject();
 66:                 $categoryInfoXmlObj->addChild('has_more_items', $hasMoreProductItems);
 67:                 $categoryXmlObj->appendChild($categoryInfoXmlObj);
 68:             }
 69:         }
 70: 
 71:         $categoryCollection = $this->getCurrentChildCategories();
 72: 
 73:         // subcategories are exists
 74:         if (sizeof($categoryCollection)) {
 75:             $itemsXmlObj = $categoryXmlObj->addChild('items');
 76:             foreach ($categoryCollection as $item) {
 77:                 /** @var $item Mage_Catalog_Model_Category */
 78:                 $item = Mage::getModel('catalog/category')->load($item->getId());
 79: 
 80:                 $itemXmlObj = $itemsXmlObj->addChild('item');
 81:                 $itemXmlObj->addChild('label', $categoryXmlObj->escapeXml($item->getName()));
 82:                 $itemXmlObj->addChild('entity_id', $item->getId());
 83:                 $itemXmlObj->addChild('content_type', $item->hasChildren() ? 'categories' : 'products');
 84:                 if (!is_null($categoryId)) {
 85:                     $itemXmlObj->addChild('parent_id', $item->getParentId());
 86:                 }
 87:                 $icon = Mage::helper('xmlconnect/catalog_category_image')->initialize($item, 'thumbnail')
 88:                     ->resize(Mage::helper('xmlconnect/image')->getImageSizeForContent('category'));
 89: 
 90:                 $iconXml = $itemXmlObj->addChild('icon', $icon);
 91: 
 92:                 $file = Mage::helper('xmlconnect')->urlToPath($icon);
 93:                 $iconXml->addAttribute('modification_time', filemtime($file));
 94:             }
 95:         }
 96: 
 97:         if ($productListBlock && $productsXmlObj) {
 98:             $categoryXmlObj->appendChild($productsXmlObj);
 99:         }
100:         return $categoryXmlObj->asNiceXml();
101:     }
102: 
103:     /**
104:      * Retrieve child categories of current category
105:      *
106:      * @return Varien_Data_Tree_Node_Collection
107:      */
108:     public function getCurrentChildCategories()
109:     {
110:         $layer = Mage::getSingleton('catalog/layer');
111:         $category   = $layer->getCurrentCategory();
112:         /* @var $category Mage_Catalog_Model_Category */
113:         $categories = $category->getChildrenCategories();
114:         $productCollection = Mage::getResourceModel('catalog/product_collection');
115:         $layer->prepareProductCollection($productCollection);
116:         $productCollection->addCountToCategories($categories);
117:         return $categories;
118:     }
119: }
120: