final function onFormInitialized() {
		parent::onFormInitialized();
		$this->addClass('df-google-font');
		df_fe_init($this, __CLASS__, df_asset_third_party('Select2/main.css'), [
			'dataSource' => df_url_frontend('df-google-font')
			,'value' => $this['value'] // 2015-12-07 It is the selected value.
		]);
	}