Having carefully followed the answer to handling cross sell items (How to Increase the Number of Crosssell Items in Cart?) everything appears to work fine...except the final instruction of adding:
protected $_maxItemCount = Mage::getStoreConfig('mycompany_section/mycompany_group/mycompany_field');
generates an error thus:
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /home/xxx/public_html/app/code/local/xxx/Checkout/Block/Cart/Crosssell.php
Any help to this Magento/PHP novice would be greatly appreciated :)
Magento ver. 1.9.2.1
EDIT:
Output using Crosssell.php with @simonthesorcerer amendment as follows:
class Abc_Checkout_Block_Cart_Crosssell extends Mage_Catalog_Block_Product_Abstract
{
/**
* Items quantity will be capped to this value
*
* @var int
*/
protected $_maxItemCount;
protected function _construct() {
$this->__maxItemCount = Mage::getStoreConfig('abc_section/abc_group/abc_input');
return parent::_construct(); }
/**
* Get crosssell items
*
* @return array
*/
public function getItems()
{
$items = $this->getData('items');
if (is_null($items)) {
$items = array();
$ninProductIds = $this->_getCartProductIds();
if ($ninProductIds) {
$lastAdded = (int) $this->_getLastAddedProductId();
if ($lastAdded) {
$collection = $this->_getCollection()
->addProductFilter($lastAdded);
if (!empty($ninProductIds)) {
$collection->addExcludeProductFilter($ninProductIds);
}
$collection->setPositionOrder()->load();
foreach ($collection as $item) {
$ninProductIds[] = $item->getId();
$items[] = $item;
}
}
if (count($items) < $this->_maxItemCount) {
$filterProductIds = array_merge($this->_getCartProductIds(), $this->_getCartProductIdsRel());
$collection = $this->_getCollection()
->addProductFilter($filterProductIds)
->addExcludeProductFilter($ninProductIds)
->setPageSize($this->_maxItemCount-count($items))
->setGroupBy()
->setPositionOrder()
->load();
foreach ($collection as $item) {
$items[] = $item;
}
}
}
$this->setData('items', $items);
}
return $items;
}
/**
* Count items
*
* @return int
*/
public function getItemCount()
{
return count($this->getItems());
}
/**
* Get ids of products that are in cart
*
* @return array
*/
protected function _getCartProductIds()
{
$ids = $this->getData('_cart_product_ids');
if (is_null($ids)) {
$ids = array();
foreach ($this->getQuote()->getAllItems() as $item) {
if ($product = $item->getProduct()) {
$ids[] = $product->getId();
}
}
$this->setData('_cart_product_ids', $ids);
}
return $ids;
}
/**
* Retrieve Array of product ids which have special relation with products in Cart
* For example simple product as part of Grouped product
*
* @return array
*/
protected function _getCartProductIdsRel()
{
$productIds = array();
foreach ($this->getQuote()->getAllItems() as $quoteItem) {
$productTypeOpt = $quoteItem->getOptionByCode('product_type');
if ($productTypeOpt instanceof Mage_Sales_Model_Quote_Item_Option
&& $productTypeOpt->getValue() == Mage_Catalog_Model_Product_Type_Grouped::TYPE_CODE
&& $productTypeOpt->getProductId()
) {
$productIds[] = $productTypeOpt->getProductId();
}
}
return $productIds;
}
/**
* Get last product ID that was added to cart and remove this information from session
*
* @return int
*/
protected function _getLastAddedProductId()
{
return Mage::getSingleton('checkout/session')->getLastAddedProductId(true);
}
/**
* Get quote instance
*
* @return Mage_Sales_Model_Quote
*/
public function getQuote()
{
return Mage::getSingleton('checkout/session')->getQuote();
}
/**
* Get crosssell products collection
*
* @return Mage_Catalog_Model_Resource_Eav_Mysql4_Product_Link_Product_Collection
*/
protected function _getCollection()
{
$collection = Mage::getModel('catalog/product_link')->useCrossSellLinks()
->getProductCollection()
->setStoreId(Mage::app()->getStore()->getId())
->addStoreFilter()
->setPageSize($this->_maxItemCount);
$this->_addProductAttributesAndPrices($collection);
Mage::getSingleton('catalog/product_status')->addSaleableFilterToCollection($collection);
Mage::getSingleton('catalog/product_visibility')->addVisibleInCatalogFilterToCollection($collection);
Mage::getSingleton('cataloginventory/stock')->addInStockFilterToCollection($collection);
return $collection;
}
}