FooControl.php

<?php

namespace App\Controls;

class Foo extends \App\Basis\Control
{
}

FooControl.phtml

{*šablona komponenty*}

MyComponent.php

<?php
namespace App\Basis;

class Control extends \Nette\Application\Control
{
	public function createTemplate()
	{
		$template = parent::createTemplate();
		$template->setFile(preg_replace('~\.php$~Ui', '.phtml', $this->reflection->getFilename()));
		return $template;
	}

	public function render()
	{
		return $this->template->render();
	}
}