/ Gists / Nette-Forms

Gists - Nette-Forms

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SignForm Factory

Nette Nette-Forms

form-factory.php #


<?php

declare(strict_types=1);
namespace App\Forms;
use Nette;
use Nette\Application\UI\Form;
use Nette\Security\User;
final class SignInFormFactory
{
	use Nette\SmartObject;
	/** @var FormFactory */
	private $factory;
	/** @var User */
	private $user;
	public function __construct(FormFactory $factory, User $user)
	{
		$this->factory = $factory;
		$this->user = $user;
	}
	public function create(callable $onSuccess): Form
	{
		$form = $this->factory->create();
		$form->addText('username', 'Username:')
			->setRequired('Please enter your username.');
		$form->addPassword('password', 'Password:')
			->setRequired('Please enter your password.');
		$form->addCheckbox('remember', 'Keep me signed in');
		$form->addSubmit('send', 'Sign in');
		$form->onSuccess[] = function (Form $form, \stdClass $values) use ($onSuccess): void {
			try {
				$this->user->setExpiration($values->remember ? '14 days' : '20 minutes');
				$this->user->login($values->username, $values->password);
			} catch (Nette\Security\AuthenticationException $e) {
				$form->addError('The username or password you entered is incorrect.');
				return;
			}
			$onSuccess();
		};
		return $form;
	}
On gists

Postupné renderování inputu / Partial rendering of input element

Nette Nette-Forms Nette-Tricks

partial-rendering.latte #

<div class="col-12">
    {!$form['agreement']->getOneLabel('basic')->startTag()}
        {$form['agreement']->getOneControl('basic')}
        {!_'Souhlasím zpracování'}
    {!$form['agreement']->getOneLabel('basic')->endTag()}
</div>

<div class="cl"></div>
<div class="h15"></div>

<div class="col-12">
    {!$form['agreement']->getOneLabel('full')->startTag()}
        {$form['agreement']->getOneControl('full')}
        {!_'Nesouhlasím zpracování'}
     {!$form['agreement']->getOneLabel('full')->endTag()}
</div>
On gists

Připojení komponenty na určité místo do stromu

Nette Nette-Forms

add-component.php #

<?php

		$form->addComponent(
		new Nette\Forms\Controls\TextInput('Firma'),
		'billing_name',
		'billing_firstname' // insertBefore arg
	   );
On gists

Nette - filtr na formulářovém prvku

Nette Nette-Forms

filter.php #

<?php

$form->addText('zip', 'PSČ:')
    ->addCondition($form::FILLED)
    ->addFilter(function ($value) {
        return str_replace(' ', '', $value);
    });
On gists

Vlastní validační pravidla

Nette Nette-Forms

demo1.php #

<?php
class UserFormRules
{
    const USERNAME = 'UserFormRules::validateUsername';
    const EMAIL_DOMAIN = 'UserFormRules::validateEmailDomain';

    public static function validateUsername(IControl $control)
    {
        // validace uživatelského jména
    }

    public static function validateEmailDomain(IControl $control, $domain)
    {
        // validace, zda se jedné o e-mail z domény $domain
    }
}

$form->addText('username', /* label, velikost... */)
    ->addRule(UserFormRules::USERNAME, /* validační zpráva */);
$form->addText('email', /* label, velikost... */)
    ->addRule(UserFormRules::EMAIL_DOMAIN, /* validační zpráva */, 'example.com');
On gists

Jak nastavit hvězdičku povinnému poli?

Nette Nette-Forms

form.php #

<?php
$form->renderer->wrappers['label']['requiredsuffix'] = Html::el('span')->class('required')->setText('*');
On gists

Nette formulář - vlastní šablona přes makro include

Nette Nette-Forms Nette-Latte

someLatteFile.latte #

### Vložení formuláře přes fragment / pro různé šablony
{include '../components/form.latte', form => signInForm}
On gists

Nette - conditions - retezení

Nette Nette-Forms

example.php #

<?php

1) 
$videoLength = $video->addText('videoLength', 'Délka videa');
$videoLength->addConditionOn($form['article-published'], Form::EQUAL, TRUE)
    ->setRequired();
$videoLength->addCondition(Form::FILLED)
    ->addRule(Form::PATTERN
    
    


2)
$video->addText('videoLength', 'Délka videa')
    ->addConditionOn($form['article-published'], Form::EQUAL, TRUE)
    ->setRequired()
    ->endCondition()
    ->addCondition(Form::FILLED)
    ->addRule(Form::PATTERN, 'Délka musí být zadána ve formátu minuty:sekundy', '[0-9]+:[0-9]{2}');
On gists

Nette - conditions -

Nette Nette-Forms

lambda.php #

<?php

->addCondition(function() use ($form) {
    return ...; //true nebo false
})
On gists

Nette - fileupload from URL

•
Nette Nette-Forms

fileupload.php #

<?php

$fileUpload = new \Nette\Http\FileUpload([
    'name' => basename($filePath),
    'size' => filesize($filePath),
    'tmp_name' => $filePath,
    'error' => UPLOAD_ERR_OK,
]);