feat: add comments

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/screens/level_selection.dart b/lib/screens/level_selection.dart
index 7241ad7..5984e65 100644
--- a/lib/screens/level_selection.dart
+++ b/lib/screens/level_selection.dart
@@ -28,6 +28,7 @@ class _LevelSelectionState extends State<LevelSelection> {
     loadFolderPath();
   }
 
+  /// gets folder path from persistent storage and updates state with loaded simfiles
   Future<void> loadFolderPath() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     final String? stepmaniaCoursesPathSetting =
@@ -44,6 +45,7 @@ class _LevelSelectionState extends State<LevelSelection> {
     });
   }
 
+  /// open folder selection dialog and save selected folder in persistent storage
   Future<void> selectFolder() async {
     await Permission.manageExternalStorage.request();
     String? selectedFolder = await FilePicker.platform.getDirectoryPath();
@@ -57,6 +59,7 @@ class _LevelSelectionState extends State<LevelSelection> {
     }
   }
 
+  /// load all simfiles from a [directoryPath]
   Future<List<Simfile>> listFilesAndFolders(String directoryPath) async {
     final directory = Directory(directoryPath);
     try {
@@ -86,6 +89,7 @@ class _LevelSelectionState extends State<LevelSelection> {
     }
   }
 
+  /// filter stepmaniaCoursesFolders based on [input]
   void filterLevels(String input) {
     setState(() {
       stepmaniaCoursesFoldersFiltered = stepmaniaCoursesFolders