<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Product list
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Block_Product_List extends Mage_Catalog_Block_Product_Abstract
{
    protected $_defaultToolbarBlock = 'catalog/product_list_toolbar';
    protected $_productCollection;

    /**
     * Retrieve loaded category collection
     *
     * @return Mage_Eav_Model_Entity_Collection_Abstract
     */
    protected function _getProductCollection()
    {
        if (is_null($this->_productCollection)) {
            $layer = Mage::getSingleton('catalog/layer');
            /* @var $layer Mage_Catalog_Model_Layer */
            if ($this->getShowRootCategory()) {
                $this->setCategoryId(Mage::app()->getStore()->getRootCategoryId());
            }

            // if this is a product view page
            if (Mage::registry('product')) {
                // get collection of categories this product is associated with
                $categories = Mage::registry('product')->getCategoryCollection()
                    ->setPage(1, 1)
                    ->load();
                // if the product is associated with any category
                if ($categories->count()) {
                    // show products from this category
                    $this->setCategoryId(current($categories->getIterator()));
                }
            }

            $origCategory = null;
            if ($this->getCategoryId()) {
                $category = Mage::getModel('catalog/category')->load($this->getCategoryId());
                if ($category->getId()) {
                    $origCategory = $layer->getCurrentCategory();
                    $layer->setCurrentCategory($category);
                }
            }
            $this->_productCollection = $layer->getProductCollection();

            if ($sortField = $this->getSortBy()) {
                $sortOrder = 'asc';
                if (strtolower($this->getSortOrder()) == 'desc') {
                    $sortOrder = 'desc';
                }
                $this->_productCollection->addAttributeToSort($sortField, $sortOrder);
            }

            if ($origCategory) {
                $layer->setCurrentCategory($origCategory);
            }
        }
        return $this->_productCollection;
    }

    /**
     * Retrieve loaded category collection
     *
     * @return Mage_Eav_Model_Entity_Collection_Abstract
     */
    public function getLoadedProductCollection()
    {
        return $this->_getProductCollection();
    }

    /**
     * Retrieve current view mode
     *
     * @return string
     */
    public function getMode()
    {
        return $this->getChild('toolbar')->getCurrentMode();
    }

    /**
     * Need use as _prepareLayout - but problem in declaring collection from
     * another block (was problem with search result)
     */
    protected function _beforeToHtml()
    {
        /*$toolbar = $this->getLayout()->createBlock('catalog/product_list_toolbar', microtime());
        if ($toolbarTemplate = $this->getToolbarTemplate()) {
            $toolbar->setTemplate($toolbarTemplate);
        }*/
        $toolbar = $this->getToolbarBlock();
        if ($orders = $this->getAvailableOrders()) {
            $toolbar->setAvailableOrders($orders);
        }
        if ($modes = $this->getModes()) {
            $toolbar->setModes($modes);
        }
        $toolbar->setCollection($this->_getProductCollection());
        $this->setChild('toolbar', $toolbar);
        Mage::dispatchEvent('catalog_block_product_list_collection', array(
            'collection'=>$this->_getProductCollection(),
        ));

        $this->_getProductCollection()->load();
        Mage::getModel('review/review')->appendSummary($this->_getProductCollection());
        return parent::_beforeToHtml();
    }

    public function getToolbarBlock()
    {
        if ($blockName = $this->getToolbarBlockName()) {
            if ($block = $this->getLayout()->getBlock($blockName)) {
                return $block;
            }
        }
        $block = $this->getLayout()->createBlock($this->_defaultToolbarBlock, microtime());
        return $block;
    }

    /**
     * Retrieve list toolbar HTML
     *
     * @return string
     */
    public function getToolbarHtml()
    {
        return $this->getChildHtml('toolbar');
    }

    public function setCollection($collection)
    {
        $this->_productCollection = $collection;
        return $this;
    }

    public function addAttribute($code)
    {
        $this->_getProductCollection()->addAttributeToSelect($code);
        return $this;
    }

    public function getPriceBlockTemplate()
    {
        return $this->_getData('price_block_template');
    }

}
