public function init()
{
$translator = \Zend_Registry::get('container')->getService('translator');
$this->addElement('hash', 'csrf');
$this->addElement('text', 'username', array('label' => $translator->trans('Username', array(), 'users'), 'required' => true, 'filters' => array('stringTrim'), 'validators' => array(array('stringLength', false, array(5, 80)))));
$this->addElement('submit', 'submit', array('id' => 'save_button', 'label' => $translator->trans('Save'), 'ignore' => true));
}