/**
* Register indexing event before delete catalog eav attribute
*
* @return Mage_Catalog_Model_Resource_Eav_Attribute
*/
protected function _beforeDelete()
{
$allAttributeOptions = $this->getSource()->getAllOptions();
foreach ($allAttributeOptions as $option) {
if ($option['value']) {
$magerpsyncOption = Mage::getModel('magerpsync/attributeoption')->load($option['value'], "mage_attribute_option_id");
$magerpsyncOption->delete();
Mage::getModel('magerpsync/attributeoption')->deleteAttributeOptionMapping($option['value']);
}
}
return parent::_beforeDelete();
}
