<?xml version="1.0" encoding="UTF-8"?>
 
<layout version="0.1.0">
 
    <mmartinovic_productlist_index_index>
        <!-- Set title -->
        <reference name="head">
            <action method="setTitle">
                <title>Mmartinovic Productlist</title>
            </action>
        </reference>
 
        <!-- Switch root template to 1 column -->
        <reference name="root">
            <action method="setTemplate">
                <template>page/1column.phtml</template>
            </action>
        </reference>
 
        <reference name="content">
            <!-- Add product list to content -->
            <block type="catalog/product_list" name="product_list" template="catalog/product/list.phtml">
                <!-- Add toolbar to product list -->
                <block type="catalog/product_list_toolbar" name="product_list_toolbar" template="catalog/product/list/toolbar.phtml">
                    <!-- Add pager to toolbar -->
                    <block type="page/html_pager" name="product_list_toolbar_pager"/>
                </block>
 
                <!-- Specify toolbar block name -->
                <action method="setToolbarBlockName">
                    <name>product_list_toolbar</name>
                </action>
 
                <!-- Use custom product collection -->
                <action method="setCollection">
                    <value helper="mmartinovic_productlist/getProductCollection" />
                </action>
 
                <!-- Use custom available sort by orders -->
                <action method="setAvailableOrders">
                    <value helper="mmartinovic_productlist/getAvailableOrders" />
                </action>
 
                <!-- Set the default sort by order -->
                <action method="setSortBy">
                    <value>price</value>
                </action>
 
                <!-- Set default direction to ascending -->
                <action method="setDefaultDirection">
                    <value>asc</value>
                </action>
 
                <action method="setColumnCount">
                    <coulumn>5</coulumn>
                </action>
            </block>
        </reference>
    </mmartinovic_productlist_index_index>
 
</layout>

<?php
 
/**
 * 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
{
    // Other code
 
    protected function _beforeToHtml()
    {
        $toolbar = $this->getToolbarBlock();
 
        // called prepare sortable parameters
        $collection = $this->_getProductCollection();
 
        // use sortable parameters
        if ($orders = $this->getAvailableOrders()) {
            $toolbar->setAvailableOrders($orders);
        }
        if ($sort = $this->getSortBy()) {
            $toolbar->setDefaultOrder($sort);
        }
        if ($dir = $this->getDefaultDirection()) {
            $toolbar->setDefaultDirection($dir);
        }
        if ($modes = $this->getModes()) {
            $toolbar->setModes($modes);
        }
 
        // set collection to toolbar and apply sort
        $toolbar->setCollection($collection);
 
        $this->setChild('toolbar', $toolbar);
        Mage::dispatchEvent('catalog_block_product_list_collection', array(
            'collection' => $this->_getProductCollection()
        ));
 
        $this->_getProductCollection()->load();
 
        return parent::_beforeToHtml();
    }
 
    // Other code
}

<?php
 
class Mmartinovic_Productlist_Helper_Data extends Mage_Core_Helper_Abstract
{
 
    /**
     * Array of available orders to be used for sort by
     *
     * @return array
     */
    public function getAvailableOrders()
    {
        return array(
            // attribute name => label to be used
            'price' => $this->__('Price')
        );
    }
 
    /**
     * Return product collection to be displayed by our list block
     *
     * @return Mage_Catalog_Model_Resource_Product_Collection
     */
    public function getProductCollection()
    {
        $rootCategoryId = Mage::app()->getStore()->getRootCategoryId();
 
        $collection = Mage::getModel('catalog/category')
            ->load($rootCategoryId)
            ->getProductCollection()
            ->addAttributeToSelect(Mage::getSingleton('catalog/config')->getProductAttributes())
            ->addMinimalPrice()
            ->addFinalPrice()
            ->addTaxPercents()
            ->addUrlRewrite($rootCategoryId);
 
        Mage::getSingleton('catalog/product_status')->addVisibleFilterToCollection($collection);
        Mage::getSingleton('catalog/product_visibility')->addVisibleInCatalogFilterToCollection($collection);
 
        return $collection;
    }
 
}