edit.phtml

{block content}

{if $showEditForm}
	{widget editForm}
{else}
	{widget loginForm}
{/if}

Presenter.php

<?php

class SomePresenter extends BasePresenter
{
	/** @var DibiRow */
	private $item;

	/** @var SessionNamespace */
	private $session;

	public function actionEdit($id)
	{
		$model = new ServiceModel();
		$this->item = $model->fetch($id);
		$this->session = Environment::getSession('SomePresenter-edit');
	}

	public function renderEdit($id)
	{
		$this->template->showEditForm = (isset($this->session->key) && $this->session->key == $this->item->password);
	}

	protected function createComponentLoginForm()
	{
		$form = new AppForm();
		$form->addPassword('password', 'Heslo:')
			->addRule(Form::FILLED, 'Zadejte heslo.');
		$form->addSubmit('login', 'Přihlásit');
		$form->addProtection('Please submit this form again (security token has expired).');
		$form->onSubmit[] = callback($this, 'loginFormSubmitted');
		return $form;
	}

	protected function createComponentEditForm()
	{
		$form = new AppForm();
		// ... definice formuláře...
		$form->onSubmit[] = callback($this, 'editFormSubmitted');
		return $form;
	}

	public function loginFormSubmitted(Form $form)
	{
		$values = $form->getValues();
		if (sha1($values['password']) == $this->item->password) {
			$this->session->key = $this->item->password;
			$this->redirect('this');
		} else
			$form->addError('Chybné heslo.');
	}

	public function editFormSubmitted(Form $form)
	{
		if ($this->session->key != $this->item->password) {
			$this->redirect('this');
			// po redirectu se zobrazí přihlašovací formulář
		} else {
			// zpracování
		}
	}
}