public function createForm($page)
{
/** @type Form $form */
$form = $page->add('Form', null, null, array('form/minimal'));
/** @type Field $email */
$email = $this->model->hasField($this->login_field);
$email = $email ? $email->caption() : 'E-mail';
/** @type Field $password */
$password = $this->model->hasField($this->password_field);
$password = $password ? $password->caption() : 'Password';
$form->addField('Line', 'username', $email);
$form->addField('Password', 'password', $password);
$form->addSubmit('Login')->addClass('atk-jackscrew')->addClass('atk-swatch-green');
//$form->add('View',null,'button_row_left')->addClass('atk-jackscrew');
return $form;
}