nextcloud/apps/files_trashbin/index.php

<?php

// Check if we are a user
OCP\User::checkLoggedIn();

OCP\App::setActiveNavigationEntry('files_index');

OCP\Util::addScript('files_trashbin', 'trash');
OCP\Util::addScript('files_trashbin', 'disableDefaultActions');
OCP\Util::addScript('files', 'fileactions');
$tmpl = new OCP\Template('files_trashbin', 'index', 'user');

OCP\Util::addStyle('files', 'files');
OCP\Util::addScript('files', 'filelist');
// filelist overrides
OCP\Util::addScript('files_trashbin', 'filelist');

$dir = isset($_GET['dir']) ? stripslashes($_GET['dir']) : '';

$files = \OCA\files_trashbin\lib\Helper::getTrashFiles($dir);

// Redirect if directory does not exist
if ($files === null){
	header('Location: ' . OCP\Util::linkTo('files_trashbin', 'index.php'));
	exit();
}

$dirlisting = false;
if ($dir && $dir !== '/') {
    $dirlisting = true;
}

$breadcrumb = \OCA\files_trashbin\lib\Helper::makeBreadcrumb($dir);

$breadcrumbNav = new OCP\Template('files_trashbin', 'part.breadcrumb', '');
$breadcrumbNav->assign('breadcrumb', $breadcrumb);
$breadcrumbNav->assign('baseURL', OCP\Util::linkTo('files_trashbin', 'index.php') . '?dir=');
$breadcrumbNav->assign('home', OCP\Util::linkTo('files', 'index.php'));

$list = new OCP\Template('files_trashbin', 'part.list', '');
$list->assign('files', $files);

$encodedDir = \OCP\Util::encodePath($dir);
$list->assign('baseURL', OCP\Util::linkTo('files_trashbin', 'index.php'). '?dir='.$encodedDir);
$list->assign('downloadURL', OCP\Util::linkTo('files_trashbin', 'download.php') . '?file='.$encodedDir);
$list->assign('dirlisting', $dirlisting);
$list->assign('disableDownloadActions', true);

$tmpl->assign('dirlisting', $dirlisting);
$tmpl->assign('breadcrumb', $breadcrumbNav->fetchPage());
$tmpl->assign('fileList', $list->fetchPage());
$tmpl->assign('files', $files);
$tmpl->assign('dir', $dir);
$tmpl->assign('disableSharing', true);

$tmpl->printPage();