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<?php
namespace Laminas\Mvc\Service;
use Laminas\View\Helper\Url;
use Laminas\View\Helper\BasePath;
use Laminas\View\Helper\Doctype;
use Interop\Container\ContainerInterface;
use Laminas\Router\RouteMatch;
use Laminas\ServiceManager\Exception\ServiceNotCreatedException;
use Laminas\View\Helper as ViewHelper;
use Laminas\View\HelperPluginManager;
class ViewHelperManagerFactory extends AbstractPluginManagerFactory
{
public const PLUGIN_MANAGER_CLASS = HelperPluginManager::class;
/**
* An array of helper configuration classes to ensure are on the helper_map stack.
*
* These are *not* imported; that way they can be optional dependencies.
*
* @todo Remove these once their components have Modules defined.
* @var array
*/
protected $defaultHelperMapClasses = [];
/**
* Create and return the view helper manager
*
* @param ContainerInterface $container
* @param string $requestedName
* @param null|array $options
* @return HelperPluginManager
* @throws ServiceNotCreatedException
*/
public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
{
$options = $options ?: [];
$options['factories'] ??= [];
$plugins = parent::__invoke($container, $requestedName, $options);
// Override plugin factories
$plugins = $this->injectOverrideFactories($plugins, $container);
return $plugins;
}
/**
* Inject override factories into the plugin manager.
*
* @return HelperPluginManager
*/
private function injectOverrideFactories(HelperPluginManager $plugins, ContainerInterface $services)
{
// Configure URL view helper
$urlFactory = $this->createUrlHelperFactory($services);
$plugins->setFactory(ViewHelper\Url::class, $urlFactory);
$plugins->setFactory('laminasviewhelperurl', $urlFactory);
// Configure base path helper
$basePathFactory = $this->createBasePathHelperFactory($services);
$plugins->setFactory(ViewHelper\BasePath::class, $basePathFactory);
$plugins->setFactory('laminasviewhelperbasepath', $basePathFactory);
// Configure doctype view helper
$doctypeFactory = $this->createDoctypeHelperFactory($services);
$plugins->setFactory(ViewHelper\Doctype::class, $doctypeFactory);
$plugins->setFactory('laminasviewhelperdoctype', $doctypeFactory);
return $plugins;
}
/**
* Create and return a factory for creating a URL helper.
*
* Retrieves the application and router from the servicemanager,
* and the route match from the MvcEvent composed by the application,
* using them to configure the helper.
*
* @param ContainerInterface $services
* @return callable
*/
private function createUrlHelperFactory(ContainerInterface $services)
{
return static function () use ($services) : Url {
$helper = new ViewHelper\Url;
$helper->setRouter($services->get('HttpRouter'));
$match = $services->get('Application')
->getMvcEvent()
->getRouteMatch()
;
if ($match instanceof RouteMatch) {
$helper->setRouteMatch($match);
}
return $helper;
};
}
/**
* Create and return a factory for creating a BasePath helper.
*
* Uses configuration and request services to configure the helper.
*
* @param ContainerInterface $services
* @return callable
*/
private function createBasePathHelperFactory(ContainerInterface $services)
{
return static function () use ($services) : BasePath {
$config = $services->has('config') ? $services->get('config') : [];
$helper = new ViewHelper\BasePath;
if (isset($config['view_manager']) && isset($config['view_manager']['base_path'])) {
$helper->setBasePath($config['view_manager']['base_path']);
return $helper;
}
$request = $services->get('Request');
if (is_callable([$request, 'getBasePath'])) {
$helper->setBasePath($request->getBasePath());
}
return $helper;
};
}
/**
* Create and return a Doctype helper factory.
*
* Other view helpers depend on this to decide which spec to generate their tags
* based on. This is why it must be set early instead of later in the layout phtml.
*
* @param ContainerInterface $services
* @return callable
*/
private function createDoctypeHelperFactory(ContainerInterface $services)
{
return static function () use ($services) : Doctype {
$config = $services->has('config') ? $services->get('config') : [];
$config = $config['view_manager'] ?? [];
$helper = new ViewHelper\Doctype;
if (isset($config['doctype']) && $config['doctype']) {
$helper->setDoctype($config['doctype']);
}
return $helper;
};
}
}