Custom InjectTemplateListener

InjectTemplateListener.php

<?php

declare(strict_types=1);

namespace Application\Mvc\View\Http;

use Zend\EventManager\AbstractListenerAggregate;
use Zend\EventManager\EventManagerInterface;
use Zend\Mvc\MvcEvent;
use Zend\View\Model\ViewModel;

class InjectTemplateListener extends AbstractListenerAggregate
{
    public function attach(EventManagerInterface $event_manager, $priority = 1)
    {
        $this->listeners[] = $event_manager->attach(MvcEvent::EVENT_DISPATCH, [$this, 'injectTemplate'], -91);
    }
    
    public function injectTemplate(MvcEvent $event)
    {
        $model = $event->getResult();

        if (!$model instanceof ViewModel) {
            return;
        }

        $controller = $event->getTarget();

        if (is_object($controller) && $controller instanceof TemplateNameProviderInterface) {
            $model->setTemplate($controller->getTemplateName());
        }
    }
}