/**
* Load collection
*
* @param bool $printQuery
* @param bool $logQuery
* @return Mage_Catalog_Model_Resource_Category_Collection
*/
public function load($printQuery = false, $logQuery = false)
{
if ($this->isLoaded()) {
return $this;
}
if ($this->_loadWithProductCount) {
$this->addAttributeToSelect('all_children');
$this->addAttributeToSelect('is_anchor');
}
parent::load($printQuery, $logQuery);
if ($this->_loadWithProductCount) {
$this->_loadProductCount();
}
return $this;
}
/**
* Set Order field
*
* @param string $attribute
* @param string $dir
* @return Mage_Catalog_Model_Resource_Product_Collection
*/
public function setOrder($attribute, $dir = 'desc')
{
if ($attribute == 'price') {
$this->addAttributeToSort($attribute, $dir);
} else {
parent::setOrder($attribute, $dir);
}
return $this;
}
/**
* Clear collection
*
* @return Mage_Catalog_Model_Resource_Product_Collection
*/
public function clear()
{
foreach ($this->_items as $i => $item) {
if ($item->hasStockItem()) {
$item->unsStockItem();
}
$item = $this->_items[$i] = null;
}
foreach ($this->_itemsById as $i => $item) {
$item = $this->_itemsById[$i] = null;
}
unset($this->_items, $this->_data, $this->_itemsById);
$this->_data = array();
$this->_itemsById = array();
return parent::clear();
}
