public static function edit_template()
 {
     if (filter_input(INPUT_GET, 'network') == '1') {
         $button = \PodloveSubscribeButton\Model\NetworkButton::find_by_id(filter_input(INPUT_GET, 'button'));
     } else {
         $button = \PodloveSubscribeButton\Model\Button::find_by_id(filter_input(INPUT_GET, 'button'));
     }
     echo '<h3>' . sprintf(__('Edit Subscribe button: %s', 'podlove'), $button->title) . '</h3>';
     self::form_template($button, 'save');
 }