<?php
namespace Panel;
use Nette\IDebugPanel;


class UserPanel extends \Nette\Application\Control implements IDebugPanel
{
    /**
     * @return Nette\Application\AppForm
     */
    public function createComponentLogInForm()
    {
        $form = new \Nette\Application\AppForm();

        $form->addText('username', 'Username:')
            ->addRule(\Nette\Application\AppForm::FILLED, 'Please provide a username.');

        $form->addPassword('password', 'Password:')
            ->addRule(\Nette\Application\AppForm::FILLED, 'Please provide a password.');

        $form->addSubmit('send', 'Log in');

        $form->onSubmit[] = callback($this, 'onLogInFormSubmitted');
        return $form;
    }



    public function onLogInFormSubmitted($form)
    {
        try {
            $values = $form->getValues();
            \Nette\Environment::getUser()->login($values['username'], $values['password']);
        } catch (AuthenticationException $e) {
            $form->addError($e->getMessage());
        }
    }
}