/** * Prepare existing row data object * * @param Varien_Object */ protected function _prepareArrayRow(Varien_Object $row) { $date = $row->getDate(); $renderer = $this->_getDateRenderer(); foreach (array('month', 'day', 'year') as $i => $period) { $row->setData('option_extra_attr_' . $renderer->calcOptionHash($date[$i], $period), 'selected="selected"'); } }