reload files after poping from drawing page

add delete item in top menu bar
add feature to rename file by tapping on title bar

lib/app.dart

@@ -1,9 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
 
 import 'canvas/document_types.dart';
 import 'canvas/drawing_page.dart';
-import 'context/file_change_notifier.dart';
 import 'pages/all_notes_page.dart';
 import 'widgets/collapse_drawer.dart';
 
@@ -19,26 +17,21 @@ class _AppState extends State<App> {
 
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProvider(
+    return Scaffold(
-      create: (ctx) {
+      floatingActionButton: _fab(),
-        return FileChangeNotifier()..loadAllNotes();
+      body: Row(
-      },
+        children: [
-      child: Scaffold(
+          CollapseDrawer(
-        floatingActionButton: _fab(),
+            onPageChange: (View newPage) =>
-        body: Row(
+                setState(() => activePage = newPage),
-          children: [
+            activePage: activePage,
-            CollapseDrawer(
+          ),
-              onPageChange: (View newPage) =>
+          Expanded(
-                  setState(() => activePage = newPage),
+              child: Container(
-              activePage: activePage,
+            color: const Color(0xff000000),
-            ),
+            child: _buildPage(),
-            Expanded(
+          ))
-                child: Container(
+        ],
-              color: const Color(0xff000000),
-              child: _buildPage(),
-            ))
-          ],
-        ),
       ),
     );
   }
@@ -47,27 +40,28 @@ class _AppState extends State<App> {
     switch (activePage) {
       case View.all:
       case View.folders:
-        return Consumer<FileChangeNotifier>(
+        return FloatingActionButton(
-          builder: (ctx, notifier, child) => FloatingActionButton(
+          onPressed: () async {
-            onPressed: () async {
+            final now = DateTime.now();
-              final now = DateTime.now();
+            final name =
-              final name =
+                'note-${now.year}_${now.month}_${now.day}-${now.hour}_${now.minute}_${now.second}';
-                  'note-${now.year}_${now.month}_${now.day}-${now.hour}_${now.minute}_${now.second}';
+            final filename = '$name.dbnote';
-              final filename = '$name.dbnote';
 
-              Navigator.push(
+            Navigator.push(
-                ctx,
+              context,
-                MaterialPageRoute(
+              MaterialPageRoute(
-                  builder: (ctx) => DrawingPage(
+                builder: (ctx) => DrawingPage(
-                    meta: NoteMetaData(filename, name, DateTime.now()),
+                  meta: NoteMetaData(
-                  ),
+                      name: name,
+                      relativePath: filename,
+                      lastModified: DateTime.now()),
                 ),
-              ).then((v) => notifier.loadAllNotes());
+              ),
-            },
+            );
-            backgroundColor: const Color(0xff3f3f3f),
+          },
-            child: const Icon(Icons.edit_calendar_outlined,
+          backgroundColor: const Color(0xff3f3f3f),
-                color: Color(0xffff7300)),
+          child: const Icon(Icons.edit_calendar_outlined,
-          ),
+              color: Color(0xffff7300)),
         );
       default:
         return Container();

lib/canvas/document_types.dart

@@ -51,5 +51,8 @@ class NoteMetaData {
   final String relativePath;
   final DateTime lastModified;
 
-  NoteMetaData(this.name, this.relativePath, this.lastModified);
+  NoteMetaData(
+      {required this.name,
+      required this.relativePath,
+      required this.lastModified});
 }

lib/canvas/drawing_page.dart

@@ -2,7 +2,9 @@ import 'dart:ui';
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
+import '../context/file_change_notifier.dart';
 import '../savesystem/note_file.dart';
 import '../widgets/drawing_page_top_actions.dart';
 import '../widgets/tool_bar.dart';
@@ -29,6 +31,8 @@ class _DrawingPageState extends State<DrawingPage> {
 
   late PaintController controller;
   late NoteFile noteFile = NoteFile(widget.meta.relativePath);
+  late TextEditingController titleController =
+      TextEditingController(text: widget.meta.name);
 
   @override
   void initState() {
@@ -45,27 +49,47 @@ class _DrawingPageState extends State<DrawingPage> {
   }
 
   @override
-  void dispose() {
+  void dispose() async {
     super.dispose();
-
+    titleController.dispose();
-    noteFile.close();
   }
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return WillPopScope(
-      appBar: AppBar(title: Text(widget.meta.name), actions: [
+      onWillPop: () async {
-        DrawingPageTopActions(controller: controller, noteMetaData: widget.meta)
+        await noteFile.close().then((value) =>
-      ]),
+            Provider.of<FileChangeNotifier>(context, listen: false)
-      body: Row(
+                .loadAllNotes());
-        children: [
+
-          ToolBar(
+        return true;
-            onPenChange: (pen) {
+      },
-              controller.changePen(pen);
+      child: Scaffold(
-            },
+        appBar: AppBar(
-          ),
+            title: TextField(
-          Expanded(child: RepaintBoundary(child: _buildCanvas())),
+              onChanged: (value) {
-        ],
+                noteFile.rename('$value.dbnote');
+              },
+              controller: titleController,
+              style: const TextStyle(color: Colors.white, fontSize: 20),
+              decoration: const InputDecoration(
+                border: InputBorder.none,
+              ),
+            ),
+            actions: [
+              DrawingPageTopActions(
+                  controller: controller, noteMetaData: widget.meta)
+            ]),
+        body: Row(
+          children: [
+            ToolBar(
+              onPenChange: (pen) {
+                controller.changePen(pen);
+              },
+            ),
+            Expanded(child: RepaintBoundary(child: _buildCanvas())),
+          ],
+        ),
       ),
     );
   }

lib/context/file_change_notifier.dart

@@ -23,7 +23,8 @@ class FileChangeNotifier extends ChangeNotifier {
       final lastmodified = (await fsentity.stat()).modified;
       final filename = fsentity.path.split(Platform.pathSeparator).last;
       final name = filename.substring(0, filename.length - 7);
-      return NoteMetaData(name, filename, lastmodified);
+      return NoteMetaData(
+          name: name, relativePath: filename, lastModified: lastmodified);
     }).toList();
     dta.sort(
       (a, b) => b.lastModified.compareTo(a.lastModified),

lib/main.dart

@@ -1,10 +1,12 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:permission_handler/permission_handler.dart';
+import 'package:provider/provider.dart';
 import 'package:sqflite/sqflite.dart';
 import 'package:sqflite_common_ffi/sqflite_ffi.dart';
 
 import 'app.dart';
+import 'context/file_change_notifier.dart';
 
 void main() async {
   if (defaultTargetPlatform != TargetPlatform.android &&
@@ -22,8 +24,13 @@ void main() async {
     }
   }
 
-  runApp(MaterialApp(
+  runApp(ChangeNotifierProvider(
-    home: const App(),
+      create: (ctx) {
-    theme: ThemeData(appBarTheme: const AppBarTheme(color: Colors.blueGrey)),
+        return FileChangeNotifier()..loadAllNotes();
-  ));
+      },
+      child: MaterialApp(
+        home: const App(),
+        theme:
+            ThemeData(appBarTheme: const AppBarTheme(color: Colors.blueGrey)),
+      )));
 }

lib/savesystem/note_file.dart

@@ -7,16 +7,20 @@ import 'path.dart';
 
 class NoteFile {
   late Database _db;
-  String filepath;
+  String filename;
+  late String _basePath;
+
+  String? _newFileName;
 
   Database db() {
     return _db;
   }
 
-  NoteFile(this.filepath);
+  NoteFile(this.filename);
 
   Future<void> init() async {
-    final path = (await getSavePath()).path + Platform.pathSeparator + filepath;
+    _basePath = (await getSavePath()).path;
+    final path = _basePath + Platform.pathSeparator + filename;
     _db = await openDatabase(
       path,
       onCreate: (db, version) async {
@@ -38,8 +42,13 @@ class NoteFile {
     );
   }
 
-  void delete() {
+  Future<void> delete() async {
-    // todo remove db file
+    await close();
+    await File(_basePath + Platform.pathSeparator + filename).delete();
+  }
+
+  void rename(String newname) {
+    _newFileName = newname;
   }
 
   Future<void> close() async {
@@ -50,5 +59,13 @@ class NoteFile {
     } else {
       debugPrint('db file unexpectedly closed before shrinking');
     }
+
+    // perform qued file renaming operations
+    if (_newFileName != null) {
+      File(_basePath + Platform.pathSeparator + filename)
+          .rename(_basePath + Platform.pathSeparator + _newFileName!);
+      filename = _newFileName!;
+      _newFileName = null;
+    }
   }
 }

lib/widgets/drawing_page_top_actions.dart

@@ -3,12 +3,14 @@ import 'dart:math';
 import 'package:fluentui_system_icons/fluentui_system_icons.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
-import 'wip_toast.dart';
+import 'package:provider/provider.dart';
 
 import '../canvas/document_types.dart';
 import '../canvas/paint_controller.dart';
+import '../context/file_change_notifier.dart';
 import '../export/export_pdf.dart';
 import 'icon_material_button.dart';
+import 'wip_toast.dart';
 
 class DrawingPageTopActions extends StatefulWidget {
   const DrawingPageTopActions(
@@ -159,6 +161,20 @@ class _DrawingPageTopActionsState extends State<DrawingPageTopActions> {
                     );
                   },
                 ),
+                PopupMenuItem<int>(
+                  value: 0,
+                  child: const Text(
+                    'Delete',
+                    style: TextStyle(color: Color(0xffe5e5e5)),
+                  ),
+                  onTap: () {
+                    widget.controller.file.delete().then((value) {
+                      Provider.of<FileChangeNotifier>(context, listen: false)
+                          .loadAllNotes();
+                      Navigator.of(context).pop();
+                    });
+                  },
+                ),
               ]);
         },
       ),

lib/widgets/note_tile.dart

@@ -1,9 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
 
 import '../canvas/document_types.dart';
 import '../canvas/drawing_page.dart';
-import '../context/file_change_notifier.dart';
 
 class NoteTile extends StatelessWidget {
   const NoteTile({Key? key, required this.data}) : super(key: key);
@@ -19,9 +17,7 @@ class NoteTile extends StatelessWidget {
           MaterialPageRoute(
             builder: (context) => DrawingPage(meta: data),
           ),
-        ).then((value) =>
+        );
-            Provider.of<FileChangeNotifier>(context, listen: false)
-                .loadAllNotes());
       },
       child: SizedBox(
         width: 100,