/**
* Return collection of same attributes for selected products without unique
*
* @return Mage_Eav_Model_Resource_Entity_Attribute_Collection
*/
public function getAttributes()
{
if (is_null($this->_attributes)) {
$this->_attributes = Mage::getSingleton('Mage_Eav_Model_Config')->getEntityType(Mage_Catalog_Model_Product::ENTITY)->getAttributeCollection()->addIsNotUniqueFilter()->setInAllAttributeSetsFilter($this->getProductsSetIds());
if ($this->_excludedAttributes) {
$this->_attributes->addFieldToFilter('attribute_code', array('nin' => $this->_excludedAttributes));
}
// check product type apply to limitation and remove attributes that impossible to change in mass-update
$productTypeIds = $this->getProducts()->getProductTypeIds();
foreach ($this->_attributes as $attribute) {
/* @var $attribute Mage_Catalog_Model_Entity_Attribute */
foreach ($productTypeIds as $productTypeId) {
$applyTo = $attribute->getApplyTo();
if (count($applyTo) > 0 && !in_array($productTypeId, $applyTo)) {
$this->_attributes->removeItemByKey($attribute->getId());
break;
}
}
}
}
return $this->_attributes;
}
/**
* Clean up 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)
{
$collection->load();
foreach ($collection as $attribute) {
if (in_array($attribute->getAttributeCode(), $this->_disabledAttrs)) {
$collection->removeItemByKey($attribute->getId());
}
}
return $collection;
}
