protected function createYearControl($container, $column, $record)
 {
     $value = $this->getRecordPropertyValue($column, $record);
     $control = new TDropDownList();
     $years = array();
     $current = intval(@date('Y'));
     $from = $current - 10;
     $to = $current + 10;
     for ($i = $from; $i <= $to; $i++) {
         $years[$i] = $i;
     }
     $control->setDataSource($years);
     $control->setSelectedValue(empty($value) ? $current : $value);
     $control->setCssClass('year-dropdown');
     $this->setNotNullProperty($container, $control, $column, $record);
     return $control;
 }