/**
* Selects the template engine and trigger it.
*
* @param \Es\View\ViewEvent $event The view event
*
* @throws \UnexpectedValueException
*
* - If the extension of template file is not associated with any
* template engine
* - If the specified template engine not implements
* the Es\View\TemplateEngineInterface
*/
public function __invoke(ViewEvent $event)
{
$resolver = $this->getResolver();
$model = $event->getContext();
$template = $model->getTemplate();
$module = $model->getModule();
$file = $resolver->resolve($template, $module);
$extension = pathinfo($file, PATHINFO_EXTENSION);
if (!isset($this->config[$extension])) {
throw new UnexpectedValueException(sprintf('Unable to render template "%s" of module "%s". the extension ' . '"%s" of template file is not associated with any ' . 'template engine.', $template, $module, $extension));
}
$services = $this->getServices();
$engine = $services->get($this->config[$extension]);
if (!$engine instanceof TemplateEngineInterface) {
throw new UnexpectedValueException(sprintf('The template engine "%s" must implement the "%s".', $this->config[$extension], TemplateEngineInterface::CLASS));
}
$result = $engine->render($model);
$event->setResult($result);
}
public function testConstructor()
{
$model = new ViewModel();
$event = new ViewEvent($model);
$this->assertSame($model, $event->getContext());
}