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<?php
declare(strict_types=1);
namespace Laminas\View\Resolver;
use Laminas\View\Helper\ViewModel as ViewModelHelper;
use Laminas\View\Model\ModelInterface;
use Laminas\View\Renderer\RendererInterface;
use Laminas\View\Resolver\ResolverInterface;
use function call_user_func;
use function is_callable;
use function strrpos;
use function substr;
/**
* Relative fallback resolver - resolves to view templates in a sub-path of the
* currently set view model's template (if the current renderer has the `view_model` plugin set).
*
* This allows for usage of partial template paths such as `some/partial`, resolving to
* `my/module/script/path/some/partial.phtml`, while rendering template `my/module/script/path/my-view`
*/
class RelativeFallbackResolver implements ResolverInterface
{
public const NS_SEPARATOR = '/';
private ResolverInterface $resolver;
public function __construct(ResolverInterface $resolver)
{
$this->resolver = $resolver;
}
/**
* {@inheritDoc}
*/
public function resolve($name, ?RendererInterface $renderer = null)
{
$plugin = [$renderer, 'plugin'];
if (! is_callable($plugin)) {
return false;
}
$helper = call_user_func($plugin, 'view_model');
if (! $helper instanceof ViewModelHelper) {
return false;
}
$currentModel = $helper->getCurrent();
if (! $currentModel instanceof ModelInterface) {
return false;
}
$currentTemplate = $currentModel->getTemplate();
$position = strrpos($currentTemplate, self::NS_SEPARATOR);
if (! $position) {
return false;
}
return $this->resolver->resolve(substr($currentTemplate, 0, $position) . self::NS_SEPARATOR . $name, $renderer);
}
}