public function edit($record, $fieldprefix, $mode)
{
$page = $this->getOwnerInstance()->getPage();
$id = $this->getHtmlId($fieldprefix);
// register CKEditor main script
$page->register_script(Config::getGlobal('assets_url') . 'lib/ckeditor/ckeditor.js');
// activate CKEditor
$options = json_encode($this->ckOptions);
$page->register_loadscript("CKEDITOR.replace('{$id}', {$options});");
return parent::edit($record, $fieldprefix, $mode);
}
