class FormWidget_Controller extends Widget_Controller {

   function FormWidget() {
      
      return new Form(
         $this,
         'FormWidget',
         new FieldSet(
            new EmailField('EmailFormWidget')
         ),
         new FieldSet(
            new FormAction('doFormWidget', 'Submit')
         ),
         new RequiredFields('EmailFormWidget')
      );
      
   }

function doFormWidget($data, $form) {

      //Set data
      $from = $data['EmailFormWidget'];
      $to = 'example@example.com';
      $subject = "this is the subject";
      $body = '<h1>Email Signup List</h1><p><b>Email Address</b> - '.$data['EmailFormWidget'].'</p>';
      $email = new Email($from, $to, $subject, $body);
      $email->send();
      Director::redirect(Director::get_current_page()->Link() . "?success=1");
   }
   
   // Allows us to show different content in template "if Success"
   public function SuccessFormWidget() {
      return isset($_REQUEST['success']) && $_REQUEST['success'] == "1";
   }
}