public function generateFileName()
{
// check if name already exists
$fileName = $this->getValue();
$newName = $fileName;
$count = 1;
$file = new \Meta\Core\File($fileName);
while ($file->exists()) {
$lastPoint = strrpos($fileName, '.');
$newName = substr($fileName, 0, $lastPoint) . $count . substr($fileName, $lastPoint);
$file = new \Meta\Core\File($newName);
$count++;
}
return $newName;
}
