/**
  * Creates the snippet version record after writing
  */
 protected function onAfterWrite()
 {
     parent::onAfterWrite();
     //Write the snippet version record
     if (!empty($this->Text)) {
         $version = new SnippetVersion();
         $version->Text = $this->Text;
         $version->ParentID = $this->ID;
         $version->write();
     }
 }