<?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Mvc\View\Http; use Zend\EventManager\AbstractListenerAggregate; use Zend\EventManager\EventManagerInterface; use Zend\Mvc\Application; use Zend\Mvc\MvcEvent; use Zend\Stdlib\ResponseInterface as Response; use Zend\View\Model\ModelInterface as ViewModel; use Zend\View\View; class DefaultRenderingStrategy extends AbstractListenerAggregate { /** * Layout template - template used in root ViewModel of MVC event. * * @var string */ protected $layoutTemplate = 'layout'; /** * @var View */ protected $view; /** * Set view * * @param View $view * @return DefaultRenderingStrategy */ public function __construct(View $view) { $this->view = $view; } /** * {@inheritDoc} */ public function attach(EventManagerInterface $events, $priority = 1) { $this->listeners[] = $events->attach(MvcEvent::EVENT_RENDER, [$this, 'render'], -10000); $this->listeners[] = $events->attach(MvcEvent::EVENT_RENDER_ERROR, [$this, 'render'], -10000); } /** * Set layout template value * * @param string $layoutTemplate * @return DefaultRenderingStrategy */ public function setLayoutTemplate($layoutTemplate) { $this->layoutTemplate = (string) $layoutTemplate; return $this; } /** * Get layout template value * * @return string */ public function getLayoutTemplate() { return $this->layoutTemplate; } /** * Render the view * * @param MvcEvent $e * @return Response|null * @throws \Exception */ public function render(MvcEvent $e) { $result = $e->getResult(); if ($result instanceof Response) { return $result; } // Martial arguments $request = $e->getRequest(); $response = $e->getResponse(); $viewModel = $e->getViewModel(); if (!$viewModel instanceof ViewModel) { return; } $view = $this->view; $view->setRequest($request); $view->setResponse($response); $caughtException = null; try { $view->render($viewModel); } catch (\Throwable $ex) { $caughtException = $ex; } catch (\Exception $ex) { // @TODO clean up once PHP 7 requirement is enforced $caughtException = $ex; } if ($caughtException !== null) { if ($e->getName() === MvcEvent::EVENT_RENDER_ERROR) { throw $caughtException; } $application = $e->getApplication(); $events = $application->getEventManager(); $e->setError(Application::ERROR_EXCEPTION); $e->setParam('exception', $caughtException); $e->setName(MvcEvent::EVENT_RENDER_ERROR); $events->triggerEvent($e); } return $response; } }