name : CollectionTreeStore.php <?php namespace Statamic\Stache\Stores; use Statamic\Facades\Collection; use Statamic\Facades\Path; use Statamic\Structures\CollectionTree; use Symfony\Component\Finder\SplFileInfo; class CollectionTreeStore extends NavTreeStore { public function key() { return 'collection-trees'; } public function getItemFilter(SplFileInfo $file) { if (! parent::getItemFilter($file)) { return false; } [, $handle] = $this->parseTreePath(Path::tidy($file->getPathname())); if (! ($collection = Collection::findByHandle($handle))) { return false; } return $collection->hasStructure(); } protected function newTreeClassByPath($path) { [$site, $handle] = $this->parseTreePath($path); return (new CollectionTree) ->initialPath($path) ->locale($site) ->handle($handle); } }