/**
* Clean up attribute collection
*
* @param Varien_Data_Collection $collection
* @return Varien_Data_Collection
*/
public function filterAttributeCollection(Varien_Data_Collection $collection)
{
/** @var $attribute Mage_Eav_Model_Entity_Attribute_Abstract */
foreach ($collection as $attribute) {
if (in_array($attribute->getAttributeCode(), $this->_disabledAttributes)) {
$collection->removeItemByKey($attribute->getId());
}
}
return $collection;
}
