public void browse(TreeView<Item> treeView, AsciiDocController controller, String browserPath) {
Platform.runLater(() -> {
rootItem = new TreeItem<>(new Item(Paths.get(browserPath), String.format("Working Directory (%s)", browserPath)));
rootItem.setExpanded(true);
DirectoryStream<Path> files = null;
try {
Path dir = Paths.get(browserPath);
files = Files.newDirectoryStream(dir);