/**
* Render data as formatted date.
*
* \param $data
* Data to pack into the cell
*
* \return
* Rendered cell
*/
function render_cell($data)
{
$dt = $this->fetch_value_from_data($data);
if (is_null($dt)) {
$str = null;
} else {
assert('$dt instanceof AnewtDateTimeAtom;');
$str = AnewtDateTime::format($this->_format, $dt);
}
return $this->create_td($str);
}
