improved external editor, commands

lib/note_list.dart

@@ -48,6 +48,15 @@ class _NoteListScreenState extends State<NoteListScreen> {
     });
   }
 
+  Future<void> _toggleExternalEditor(bool value) async {
+    setState(() {
+      _useExternalEditor = value;
+    });
+    SharedPreferences.getInstance().then((prefs) {
+      prefs.setBool('use_external_editor', value);
+    });
+  }
+
   Future<void> _requestStoragePermission() async {
     if (Platform.isAndroid) {
       if (await Permission.storage.request().isGranted) {
@@ -219,25 +228,6 @@ class _NoteListScreenState extends State<NoteListScreen> {
         .trim();
   }
 
-  Future<void> _openExternalEditor(File noteFile) async {
-    if (!noteFile.existsSync()) {
-      print("❌ File does not exist: ${noteFile.path}");
-      return;
-    }
-
-    try {
-      if (Platform.isAndroid) {
-        await _requestStoragePermission();
-      }
-
-      final result = await OpenFilex.open(noteFile.path);
-      print("✅ OpenFilex result: ${result.type}, message: ${result.message}");
-    } catch (e) {
-      print("❌ Failed to open external editor: $e");
-    }
-  }
-
-
   void _deleteNote(File note) {
     final trashDir = Directory('${note.parent.path}/trash');
     if (!trashDir.existsSync()) {
@@ -319,6 +309,12 @@ class _NoteListScreenState extends State<NoteListScreen> {
       case ':night':
         widget.toggleTheme(true);
         break;
+      case ':extern':
+        _toggleExternalEditor(true);
+        break;
+      case ':intern':
+        _toggleExternalEditor(false);
+        break;
       case ':emptytrash':
         _confirmEmptyTrash();
         break;
@@ -371,12 +367,7 @@ class _NoteListScreenState extends State<NoteListScreen> {
                     });
                     break;
                   case 'External Editor':
-                    setState(() {
+                    _toggleExternalEditor(!_useExternalEditor);
-                      _useExternalEditor = !_useExternalEditor;
-                    });
-                      SharedPreferences.getInstance().then((prefs) {
-                      prefs.setBool('use_external_editor', _useExternalEditor);
-                    });
                     break;
                   case 'Select Folder':
                     _showDirectoryChoiceDialog(