public function get_admin_options_html()
{
if ($this->instance_id) {
$settings_html = $this->generate_settings_html($this->get_instance_form_fields(), false);
} else {
$settings_html = $this->generate_settings_html($this->get_form_fields(), false);
}
return '<table class="form-table">' . $settings_html . '</table>';
}