protected function getFilterData() { $date = Mage::getSingleton('core/date'); $data = parent::getFilterData(); if (!$data->hasData('from')) { $data->setData('from', $date->gmtDate(null, $date->gmtTimestamp() - 30 * 24 * 60 * 60)); } if (!$data->hasData('to')) { $data->setData('to', $date->gmtDate(null, $date->gmtTimestamp())); } if (!$data->hasData('period_type')) { $data->setData('period_type', 'day'); } return $data; }