public function render($writer)
{
if ($this->getInputMode() == TDatePickerInputMode::TextBox) {
parent::render($writer);
$this->renderDatePickerButtons($writer);
} else {
$this->renderDropDownListCalendar($writer);
if ($this->hasDayPattern()) {
$this->renderClientControlScript($writer);
$this->renderDatePickerButtons($writer);
}
}
}