feat: save scheme name logic.

app/lib/models/local_schemes.dart

@@ -2,7 +2,7 @@ import 'package:dde_gesture_manager/models/scheme.dart';
 
 export 'local_schemes_web.dart' if (dart.library.io) 'local_schemes_linux.dart';
 
-abstract class LocalSchemeEntry {
+abstract class LocalSchemeEntry implements Comparable {
   Scheme scheme;
   DateTime lastModifyTime;
   String path;

app/lib/models/local_schemes_linux.dart

@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:io';
 
 import 'package:dde_gesture_manager/builder/provider_annotation.dart';
@@ -13,7 +14,7 @@ export 'local_schemes.dart';
 @ProviderModel()
 class LocalSchemes implements LocalSchemesInterface<LocalSchemeEntryLinux> {
   LocalSchemes() {
-    schemeEntries.then((value) => schemes = [LocalSchemeEntryLinux.systemDefault(), ...value]);
+    schemeEntries.then((value) => schemes = [LocalSchemeEntryLinux.systemDefault(), ...value..sort()]);
   }
 
   @override
@@ -68,7 +69,13 @@ class LocalSchemeEntryLinux implements LocalSchemeEntry {
 
   @override
   save() {
-    // TODO: implement save
+    var file = File(path);
-    throw UnimplementedError();
+    file.writeAsStringSync(json.encode(scheme));
+  }
+
+  @override
+  int compareTo(other) {
+    assert(other is LocalSchemeEntry);
+    return lastModifyTime.isAfter(other.lastModifyTime) ? -1 : 1;
   }
 }

app/lib/models/local_schemes_web.dart

@@ -12,7 +12,7 @@ export 'local_schemes.dart';
 @ProviderModel()
 class LocalSchemes implements LocalSchemesInterface<LocalSchemeEntryWeb> {
   LocalSchemes() {
-    schemeEntries.then((value) => schemes = [LocalSchemeEntryWeb.systemDefault(), ...value]);
+    schemeEntries.then((value) => schemes = [LocalSchemeEntryWeb.systemDefault(), ...value..sort()]);
   }
 
   @override
@@ -72,4 +72,10 @@ class LocalSchemeEntryWeb implements LocalSchemeEntry {
     // TODO: implement save
     throw UnimplementedError();
   }
+
+  @override
+  int compareTo(other) {
+    assert(other is LocalSchemeEntry);
+    return lastModifyTime.isAfter(other.lastModifyTime) ? -1 : 1;
+  }
 }

app/lib/models/scheme.dart

@@ -128,7 +128,7 @@ class Scheme {
   Scheme.parse(scheme) {
     if (scheme is String) scheme = json.decode(scheme);
     assert(scheme is Map);
-    id = scheme['id'];
+    id = scheme['id'] ?? Uuid().v1();
     name = scheme['name'];
     description = scheme['desc'];
     gestures = (scheme['gestures'] as List? ?? []).map<GestureProp>((ele) => GestureProp.parse(ele)).toList()..sort();
@@ -154,6 +154,13 @@ class Scheme {
     });
     return schemeTree;
   }
+
+  Map toJson() => {
+        'id': id,
+        'name': name,
+        'desc': description,
+        'gestures': gestures,
+      };
 }
 
 enum Gesture {
@@ -221,6 +228,16 @@ class GestureProp implements Comparable {
     return 'GestureProp{gesture: $gesture, direction: $direction, fingers: $fingers, type: $type, command: $command, remark: $remark}';
   }
 
+  Map toJson() => {
+        'id': id,
+        'gesture': H.getGestureName(gesture),
+        'direction': H.getGestureDirectionName(direction),
+        'fingers': fingers,
+        'type': H.getGestureTypeName(type),
+        'command': command,
+        'remark': remark,
+      };
+
   GestureProp.empty() : this.id = Uuid.NAMESPACE_NIL;
 
   GestureProp.parse(props) {

app/lib/pages/gesture_editor.dart

@@ -2,6 +2,7 @@ import 'package:adaptive_scrollbar/adaptive_scrollbar.dart';
 import 'package:dde_gesture_manager/constants/constants.dart';
 import 'package:dde_gesture_manager/extensions.dart';
 import 'package:dde_gesture_manager/models/content_layout.provider.dart';
+import 'package:dde_gesture_manager/models/local_schemes_provider.dart';
 import 'package:dde_gesture_manager/models/scheme.dart';
 import 'package:dde_gesture_manager/models/scheme.provider.dart';
 import 'package:dde_gesture_manager/models/settings.provider.dart';
@@ -256,9 +257,25 @@ class GestureEditor extends StatelessWidget {
                             ),
                             Expanded(
                               child: DTextField(
+                                initText: schemeProvider.name,
                                 onComplete: (val) {
+                                  val = val.trim();
                                   schemeProvider.setProps(name: val);
-                                  /// todo: change name to local list.
+                                  var localSchemesProvider = context.read<LocalSchemesProvider>();
+                                  if (!localSchemesProvider.schemes!.every((element) => element.scheme.name != val)) {
+                                    /// show error info;
+                                    'duplicate name'.sout();
+                                    return;
+                                  }
+                                  ;
+                                  var localSchemeEntry = localSchemesProvider.schemes!
+                                      .firstWhere((ele) => ele.scheme.id == schemeProvider.id);
+                                  localSchemeEntry.scheme.name = val;
+                                  localSchemeEntry.save();
+                                  localSchemesProvider.schemeEntries.then((value) {
+                                    localSchemesProvider
+                                        .setProps(schemes: [localSchemesProvider.schemes!.first, ...value..sort()]);
+                                  });
                                 },
                               ),
                             ),

app/lib/pages/local_manager.dart

@@ -10,6 +10,7 @@ import 'package:flutter/animation.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/painting.dart';
+import 'package:uuid/uuid.dart';
 
 class LocalManager extends StatefulWidget {
   const LocalManager({
@@ -22,22 +23,22 @@ class LocalManager extends StatefulWidget {
 
 class _LocalManagerState extends State<LocalManager> {
   late ScrollController _scrollController;
-  int? _hoveringIndex;
+  String? _hoveringItem;
-  late int _selectedIndex;
+  late String _selectedItem;
 
   @override
   void initState() {
     super.initState();
 
     /// todo: load from sp
-    _selectedIndex = 0;
+    _selectedItem = Uuid.NAMESPACE_NIL;
     _scrollController = ScrollController();
   }
 
-  Color _getItemBackgroundColor(int index) {
+  Color _getItemBackgroundColor(int index, String itemId) {
     Color _color = index % 2 == 0 ? context.t.scaffoldBackgroundColor : context.t.backgroundColor;
-    if (index == _hoveringIndex) _color = context.t.scaffoldBackgroundColor;
+    if (itemId == _hoveringItem) _color = context.t.scaffoldBackgroundColor;
-    if (index == _selectedIndex) _color = context.read<SettingsProvider>().currentActiveColor;
+    if (itemId == _selectedItem) _color = context.read<SettingsProvider>().currentActiveColor;
     return _color;
   }
 
@@ -110,7 +111,7 @@ class _LocalManagerState extends State<LocalManager> {
                                   onTap: () {
                                     context.read<SchemeProvider>().copyFrom(localSchemes[index].scheme);
                                     setState(() {
-                                      _selectedIndex = index;
+                                      _selectedItem = localSchemes[index].scheme.id!;
                                     });
                                     context.read<GesturePropProvider>().copyFrom(GestureProp.empty());
                                   },
@@ -118,16 +119,17 @@ class _LocalManagerState extends State<LocalManager> {
                                     cursor: SystemMouseCursors.click,
                                     onEnter: (_) {
                                       setState(() {
-                                        _hoveringIndex = index;
+                                        _hoveringItem = localSchemes[index].scheme.id!;
                                       });
                                     },
                                     child: Container(
-                                      color: _getItemBackgroundColor(index),
+                                      color: _getItemBackgroundColor(index, localSchemes[index].scheme.id!),
                                       child: Padding(
                                         padding: const EdgeInsets.only(left: 6, right: 12.0),
                                         child: DefaultTextStyle(
                                           style: context.t.textTheme.bodyText2!.copyWith(
-                                            color: _selectedIndex == index ? Colors.white : null,
+                                            color:
+                                                _selectedItem == localSchemes[index].scheme.id! ? Colors.white : null,
                                           ),
                                           child: Row(
                                             mainAxisAlignment: MainAxisAlignment.spaceBetween,
@@ -152,9 +154,9 @@ class _LocalManagerState extends State<LocalManager> {
                             mainAxisAlignment: MainAxisAlignment.end,
                             children: [
                               DButton.add(enabled: true),
-                              DButton.delete(enabled: _selectedIndex > 0),
+                              DButton.delete(enabled: _selectedItem != Uuid.NAMESPACE_NIL),
-                              DButton.duplicate(enabled: _selectedIndex > 0),
+                              DButton.duplicate(enabled: _selectedItem != Uuid.NAMESPACE_NIL),
-                              DButton.apply(enabled: _selectedIndex > 0),
+                              DButton.apply(enabled: _selectedItem != Uuid.NAMESPACE_NIL),
                             ]
                                 .map((e) => Padding(
                                       padding: const EdgeInsets.only(right: 4),

app/lib/widgets/dde_text_field.dart

@@ -1,8 +1,8 @@
 import 'package:dde_gesture_manager/constants/constants.dart';
+import 'package:dde_gesture_manager/extensions.dart';
 import 'package:dde_gesture_manager/models/settings.provider.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'package:dde_gesture_manager/extensions.dart';
 
 class DTextField extends StatefulWidget {
   final String? initText;
@@ -43,6 +43,14 @@ class _DTextFieldState extends State<DTextField> {
     }
   }
 
+  @override
+  void didUpdateWidget(covariant DTextField oldWidget) {
+    if (oldWidget.initText != widget.initText) {
+      _controller.text = widget.initText ?? '';
+    }
+    super.didUpdateWidget(oldWidget);
+  }
+
   @override
   Widget build(BuildContext context) {
     return Focus(