/**
* Prepare grid collection object
*
* @return this
*/
protected function _prepareCollection()
{
if (!is_null($this->_blcg_typeModel)) {
$this->_blcg_typeModel->beforeGridPrepareCollection($this, $this->_blcg_prepareEventsEnabled);
}
if ($this->_blcg_prepareEventsEnabled) {
Mage::getSingleton('customgrid/observer')->beforeGridPrepareCollection($this);
$return = parent::_prepareCollection();
Mage::getSingleton('customgrid/observer')->afterGridPrepareCollection($this);
} else {
$return = parent::_prepareCollection();
}
if (!is_null($this->_blcg_typeModel)) {
$this->_blcg_typeModel->afterGridPrepareCollection($this, $this->_blcg_prepareEventsEnabled);
}
return $return;
}
