public function add($data, $row = null)
{
$this->_init();
$r = $row ? $row : $this->nextLine;
$tmp = array();
foreach ($this->flipHeaders as $name => $col) {
if (array_key_exists($name, $data)) {
$tmp["R{$r}C{$col}"] = $data[$name];
}
}
$data = $this->service->update($this->key, $this->wid, $tmp);
if (is_null($row) && $data['status'] === 200) {
$this->nextLine += 1;
}
return $data;
}
