standalone version

composer.json

@@ -29,7 +29,7 @@
     "phpstan/phpstan-strict-rules": "^0.12",
     "webchemistry/testing-helpers": "^3.0.0"
   },
-  "minimum-stability": "dev",
+  "minimum-stability": "stable",
   "autoload": {
     "psr-4": {
       "Contributte\\FormWizard\\": [

src/Facade.php

@@ -3,6 +3,8 @@
 namespace Contributte\FormWizard;
 
 use Closure;
+use LogicException;
+use Nette\Application\UI\Form as UIForm;
 use Nette\Forms\Form;
 use Nette\SmartObject;
 use Nette\Utils\ArrayHash;
@@ -108,6 +110,29 @@ public function isDisabled(int $step): bool
 		return !$this->wizard->getSteps()[$step];
 	}
 
+	public function attached(): void
+	{
+		if ($this->wizard instanceof Wizard) {
+			$this->wizard->callStartup();
+		}
+
+		$form = $this->wizard->create(null, false);
+
+		if ($form instanceof UIForm) {
+			throw new LogicException(sprintf('Cannot call this method on %s.', UIForm::class));
+		}
+
+		$submitted = (bool) $form->isSubmitted();
+		if ($submitted) {
+			$form->fireEvents();
+		}
+	}
+
+	public function renderCurrentComponent(): string
+	{
+		return (string) $this->getCurrentComponent();
+	}
+
 	/**
 	 * @return mixed
 	 */

src/IWizard.php

@@ -2,7 +2,7 @@
 
 namespace Contributte\FormWizard;
 
-use Nette\Application\UI\Form;
+use Nette\Forms\Form;
 use Nette\Utils\ArrayHash;
 
 interface IWizard
@@ -26,7 +26,7 @@ public function render(): void;
 
 	public function reset(): void;
 
-	public function create(?string $step = null): Form;
+	public function create(?string $step = null, bool $defaultValues = true): Form;
 
 	public function isSuccess(): bool;
 

src/Wizard.php

@@ -120,9 +120,9 @@ protected function getSection(): WizardSessionSection
 
 	public function getStepCounter(): StepCounter
 	{
-		$counter = 1;
 		if ($this->stepCounter === null) {
-			for ($counter = 1; $counter < 1000; $counter++) {
+			$counter = 1;
+			for (; $counter < 1000; $counter++) {
 				if (!method_exists($this, 'createStep' . $counter) && !$this->getComponent('step' . $counter, false)) {
 					$counter--;
 					break;
@@ -278,7 +278,7 @@ public function reset(): void
 		$this->stepCounter = null;
 	}
 
-	public function create(?string $step = null): Form
+	public function create(?string $step = null, bool $defaultValues = true): Forms\Form
 	{
 		$step = (int) ($step ?? $this->getCurrentStep());
 		/** @var Form $form */
@@ -291,7 +291,9 @@ public function create(?string $step = null): Form
 		}
 
 		// Set submited values
-		$form->setValues((array) $this->getSection()->getStepValues($step));
+		if ($defaultValues) {
+			$form->setValues((array) $this->getSection()->getStepValues($step));
+		}
 
 		return $form;
 	}
@@ -380,7 +382,10 @@ public function getPresenter(): ?Presenter
 		return $this->presenter;
 	}
 
-	protected function validateParent(IContainer $parent): void
+	/**
+	 * @internal only for standalone usage, use Facade instead of
+	 */
+	public function callStartup(): void
 	{
 		if (!$this->startupCalled) {
 			$this->startupCalled = true;
@@ -389,4 +394,9 @@ protected function validateParent(IContainer $parent): void
 		}
 	}
 
+	protected function validateParent(IContainer $parent): void
+	{
+		$this->callStartup();
+	}
+
 }