wip: sort gesture props when edit end.

app/lib/models/scheme.dart

@@ -2,10 +2,12 @@ import 'dart:convert';
 
 import 'package:dde_gesture_manager/builder/provider_annotation.dart';
 import 'package:dde_gesture_manager/extensions.dart';
+import 'package:dde_gesture_manager/extensions/compare_extension.dart';
 import 'package:dde_gesture_manager/utils/helper.dart';
-import 'package:flutter/material.dart';
 import 'package:uuid/uuid.dart';
 
+typedef OnEditEnd(GestureProp prop);
+
 @ProviderModel(copyable: true)
 class Scheme {
   @ProviderModelProp()
@@ -26,7 +28,7 @@ class Scheme {
     id = scheme['id'];
     name = scheme['name'];
     description = scheme['desc'];
-    gestures = (scheme['gestures'] as List? ?? []).map<GestureProp>((ele) => GestureProp.parse(ele)).toList();
+    gestures = (scheme['gestures'] as List? ?? []).map<GestureProp>((ele) => GestureProp.parse(ele)).toList()..sort();
   }
 
   Scheme.systemDefault() {
@@ -42,8 +44,8 @@ class Scheme {
 }
 
 enum Gesture {
-  swipe,
   tap,
+  swipe,
   pinch,
 }
 
@@ -64,7 +66,7 @@ enum GestureType {
 }
 
 @ProviderModel(copyable: true)
-class GestureProp {
+class GestureProp implements Comparable {
   @ProviderModelProp()
   String? id;
 
@@ -87,14 +89,14 @@ class GestureProp {
   String? remark;
 
   @ProviderModelProp()
-  bool get editMode => _editMode;
+  bool? get editMode => _editMode;
 
-  set editMode(bool val) {
-    _editMode = val;
-    if (val == false) onEditEnd?.call();
+  set editMode(bool? val) {
+    _editMode = val ?? false;
+    if (val == false) onEditEnd?.call(this);
   }
 
-  VoidCallback? onEditEnd;
+  OnEditEnd? onEditEnd;
 
   bool _editMode = false;
 
@@ -119,4 +121,24 @@ class GestureProp {
     command = props['command'];
     remark = props['remark'];
   }
+
+  copyFrom(GestureProp prop) {
+    this.id = prop.id;
+    this.gesture = prop.gesture;
+    this.direction = prop.direction;
+    this.fingers = prop.fingers;
+    this.type = prop.type;
+    this.command = prop.command;
+    this.remark = prop.remark;
+  }
+
+  @override
+  int compareTo(other) {
+    assert(other is GestureProp);
+    if (fingers.diff(other.fingers) && other.fingers != null) return fingers! - other.fingers as int;
+    if (gesture.diff(other.gesture) && other.gesture != null) return gesture!.index - other.gesture!.index as int;
+    if (direction.diff(other.direction) && other.direction != null)
+      return direction!.index - other.direction!.index as int;
+    return 0;
+  }
 }

app/lib/pages/gesture_editor.dart

@@ -74,7 +74,7 @@ class GestureEditor extends StatelessWidget {
                 Expanded(
                   child: GestureDetector(
                     onTap: () {
-                      context.read<GesturePropProvider>().copyFrom(GestureProp.empty());
+                      context.read<GesturePropProvider>().setProps(editMode: false);
                     },
                     child: Container(
                       decoration: BoxDecoration(
@@ -175,28 +175,53 @@ List<DDataRow> _buildDataRows(List<GestureProp>? gestures, BuildContext context)
       bool selected = gesturePropProvider == gesture && !editing;
       return DDataRow(
         onSelectChanged: (selected) {
-          if (selected == true)
-            context.read<GesturePropProvider>().setProps(
+          var provider = context.read<GesturePropProvider>();
+          if (selected == true) {
+            provider.setProps(
+              editMode: false,
+            );
+            Future.microtask(() => provider.setProps(
                   id: gesture.id,
-                  editMode: false,
-                );
-          else if (selected == false) {
-            var provider = context.read<GesturePropProvider>();
-            provider.onEditEnd = () {
-              /// todo: resort rows && check where changed
+                ));
+          } else if (selected == false) {
+            provider.onEditEnd = (prop) {
+              var schemeProvider = context.read<SchemeProvider>();
+              var newGestures = List<GestureProp>.of(schemeProvider.gestures!);
+              var index = newGestures.indexWhere((element) => element == prop);
+              newGestures[index].copyFrom(prop);
+              context.read<SchemeProvider>().setProps(
+                    gestures: newGestures..sort(),
+                  );
             };
-            provider.setProps(
-              editMode: true,
+            provider.copyFrom(
+              gesture..editMode = true,
             );
           }
         },
         selected: selected,
-        cells: editing ? _buildRowCellsEditing(gesture) : _buildRowCellsNormal(context, selected, gesture),
+        cells: editing ? _buildRowCellsEditing(context, gesture) : _buildRowCellsNormal(context, selected, gesture),
       );
     }).toList();
 
-List<DDataCell> _buildRowCellsEditing(GestureProp gesture) => [
-      Center(child: Text('1')),
+List<DDataCell> _buildRowCellsEditing(BuildContext context, GestureProp gesture) => [
+      Container(
+        decoration: BoxDecoration(
+          color: Colors.lightBlue,
+        ),
+        child: DropdownButton<int>(
+          items: [3, 4, 5]
+              .map(
+                (e) => DropdownMenuItem<int>(
+                  child: Text('$e'),
+                  value: e,
+                ),
+              )
+              .toList(),
+          value: context.watch<GesturePropProvider>().fingers,
+          onChanged: (value) => context.read<GesturePropProvider>().setProps(fingers: value, editMode: true),
+          isExpanded: true,
+        ),
+      ),
       Center(child: Text('2')),
       Center(child: Text('3')),
       Center(child: Text('4')),