/**
* Clean up already loaded attribute collection.
*
* @param Mage_Eav_Model_Resource_Entity_Attribute_Collection $collection
* @return Mage_Eav_Model_Resource_Entity_Attribute_Collection
*/
public function filterAttributeCollection(Mage_Eav_Model_Resource_Entity_Attribute_Collection $collection)
{
$validTypes = array_keys($this->_productTypeModels);
foreach (parent::filterAttributeCollection($collection) as $attribute) {
$attrApplyTo = $attribute->getApplyTo();
$attrApplyTo = $attrApplyTo ? array_intersect($attrApplyTo, $validTypes) : $validTypes;
if ($attrApplyTo) {
foreach ($attrApplyTo as $productType) {
// override attributes by its product type model
if ($this->_productTypeModels[$productType]->overrideAttribute($attribute)) {
break;
}
}
} else {
// remove attributes of not-supported product types
$collection->removeItemByKey($attribute->getId());
}
}
return $collection;
}
/**
* Clean up already loaded attribute collection.
*
* @param Mage_Eav_Model_Resource_Entity_Attribute_Collection $collection
* @return Mage_Eav_Model_Resource_Entity_Attribute_Collection
*/
public function filterAttributeCollection(Mage_Eav_Model_Resource_Entity_Attribute_Collection $collection)
{
foreach (parent::filterAttributeCollection($collection) as $attribute) {
if (!empty($this->_attributeOverrides[$attribute->getAttributeCode()])) {
$data = $this->_attributeOverrides[$attribute->getAttributeCode()];
if (isset($data['options_method']) && method_exists($this, $data['options_method'])) {
$data['filter_options'] = $this->{$data}['options_method']();
}
$attribute->addData($data);
}
}
return $collection;
}