format id

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/common/formatter/id_formatter.dart

@@ -1,4 +1,52 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
-/// TODO: Divide every 3 number to display ID
-class IdFormController extends TextEditingController {}
+class IDTextEditingController extends TextEditingController {
+  IDTextEditingController({String? text}) : super(text: text);
+
+  String get id => trimID(value.text);
+
+  set id(String newID) => text = formatID(newID);
+}
+
+class IDTextInputFormatter extends TextInputFormatter {
+  @override
+  TextEditingValue formatEditUpdate(
+      TextEditingValue oldValue, TextEditingValue newValue) {
+    if (newValue.text.isEmpty) {
+      return newValue.copyWith(text: '');
+    } else if (newValue.text.compareTo(oldValue.text) == 0) {
+      return newValue;
+    } else {
+      int selectionIndexFromTheRight =
+          newValue.text.length - newValue.selection.extentOffset;
+      String newID = formatID(newValue.text);
+      return TextEditingValue(
+        text: newID,
+        selection: TextSelection.collapsed(
+          offset: newID.length - selectionIndexFromTheRight,
+        ),
+      );
+    }
+  }
+}
+
+String formatID(String id) {
+  String id2 = id.replaceAll(' ', '');
+  String newID = '';
+  if (id2.length <= 3) {
+    newID = id2;
+  } else {
+    var n = id2.length;
+    var a = n % 3 != 0 ? n % 3 : 3;
+    newID = id2.substring(0, a);
+    for (var i = a; i < n; i += 3) {
+      newID += " ${id2.substring(i, i + 3)}";
+    }
+  }
+  return newID;
+}
+
+String trimID(String id) {
+  return id.replaceAll(' ', '');
+}

flutter/lib/desktop/pages/connection_page.dart

@@ -12,6 +12,7 @@ import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
 import '../../common.dart';
+import '../../common/formatter/id_formatter.dart';
 import '../../mobile/pages/scan_page.dart';
 import '../../mobile/pages/settings_page.dart';
 import '../../models/model.dart';
@@ -30,7 +31,7 @@ class ConnectionPage extends StatefulWidget {
 /// State for the connection page.
 class _ConnectionPageState extends State<ConnectionPage> {
   /// Controller for the id input bar.
-  final _idController = TextEditingController();
+  final _idController = IDTextEditingController();
 
   /// Update url. If it's not null, means an update is available.
   final _updateUrl = '';
@@ -43,9 +44,9 @@ class _ConnectionPageState extends State<ConnectionPage> {
     if (_idController.text.isEmpty) {
       () async {
         final lastRemoteId = await bind.mainGetLastRemoteId();
-        if (lastRemoteId != _idController.text) {
+        if (lastRemoteId != _idController.id) {
           setState(() {
-            _idController.text = lastRemoteId;
+            _idController.id = lastRemoteId;
           });
         }
       }();
@@ -110,7 +111,7 @@ class _ConnectionPageState extends State<ConnectionPage> {
   /// Callback for the connect button.
   /// Connects to the selected peer.
   void onConnect({bool isFileTransfer = false}) {
-    final id = _idController.text.trim();
+    final id = _idController.id;
     connect(id, isFileTransfer: isFileTransfer);
   }
 
@@ -185,35 +186,41 @@ class _ConnectionPageState extends State<ConnectionPage> {
             Row(
               children: [
                 Expanded(
-                  child: TextField(
-                    autocorrect: false,
-                    enableSuggestions: false,
-                    keyboardType: TextInputType.visiblePassword,
-                    style: TextStyle(
-                      fontFamily: 'WorkSans',
-                      fontSize: 22,
-                      height: 1,
-                    ),
-                    decoration: InputDecoration(
-                        hintText: translate('Enter Remote ID'),
-                        hintStyle: TextStyle(
-                            color: MyTheme.color(context).placeholder),
-                        border: OutlineInputBorder(
+                  child: Obx(
+                    () => TextField(
+                      autocorrect: false,
+                      enableSuggestions: false,
+                      keyboardType: TextInputType.visiblePassword,
+                      focusNode: focusNode,
+                      style: TextStyle(
+                        fontFamily: 'WorkSans',
+                        fontSize: 22,
+                        height: 1,
+                      ),
+                      decoration: InputDecoration(
+                          hintText: inputFocused.value
+                              ? null
+                              : translate('Enter Remote ID'),
+                          hintStyle: TextStyle(
+                              color: MyTheme.color(context).placeholder),
+                          border: OutlineInputBorder(
+                              borderRadius: BorderRadius.zero,
+                              borderSide: BorderSide(
+                                  color: MyTheme.color(context).placeholder!)),
+                          focusedBorder: OutlineInputBorder(
                             borderRadius: BorderRadius.zero,
-                            borderSide: BorderSide(
-                                color: MyTheme.color(context).placeholder!)),
-                        focusedBorder: OutlineInputBorder(
-                          borderRadius: BorderRadius.zero,
-                          borderSide:
-                              BorderSide(color: MyTheme.button, width: 3),
-                        ),
-                        isDense: true,
-                        contentPadding:
-                            EdgeInsets.symmetric(horizontal: 10, vertical: 12)),
-                    controller: _idController,
-                    onSubmitted: (s) {
-                      onConnect();
-                    },
+                            borderSide:
+                                BorderSide(color: MyTheme.button, width: 3),
+                          ),
+                          isDense: true,
+                          contentPadding: EdgeInsets.symmetric(
+                              horizontal: 10, vertical: 12)),
+                      controller: _idController,
+                      inputFormatters: [IDTextInputFormatter()],
+                      onSubmitted: (s) {
+                        onConnect();
+                      },
+                    ),
                   ),
                 ),
               ],

flutter/lib/desktop/widgets/peercard_widget.dart

@@ -5,6 +5,7 @@ import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:get/get.dart';
 
 import '../../common.dart';
+import '../../common/formatter/id_formatter.dart';
 import '../../models/model.dart';
 import '../../models/peer_model.dart';
 import '../../models/platform_model.dart';
@@ -119,7 +120,7 @@ class _PeerCardState extends State<_PeerCard>
                                         ? Colors.green
                                         : Colors.yellow)),
                             Text(
-                              '${peer.id}',
+                              formatID('${peer.id}'),
                               style: TextStyle(fontWeight: FontWeight.w400),
                             ),
                           ]),
@@ -240,7 +241,7 @@ class _PeerCardState extends State<_PeerCard>
                                 backgroundColor: peer.online
                                     ? Colors.green
                                     : Colors.yellow)),
-                        Text(peer.id)
+                        Text(formatID(peer.id))
                       ]).paddingSymmetric(vertical: 8),
                       _actionMore(peer),
                     ],

flutter/lib/models/server_model.dart

@@ -7,6 +7,7 @@ import 'package:flutter_hbb/models/platform_model.dart';
 import 'package:wakelock/wakelock.dart';
 
 import '../common.dart';
+import '../common/formatter/id_formatter.dart';
 import '../desktop/pages/server_page.dart' as Desktop;
 import '../desktop/widgets/tabbar_widget.dart';
 import '../mobile/pages/server_page.dart';
@@ -29,7 +30,7 @@ class ServerModel with ChangeNotifier {
   String _temporaryPasswordLength = "";
 
   late String _emptyIdShow;
-  late final TextEditingController _serverId;
+  late final IDTextEditingController _serverId;
   final _serverPasswd = TextEditingController(text: "");
 
   final tabController = DesktopTabController(tabType: DesktopTabType.cm);
@@ -88,7 +89,7 @@ class ServerModel with ChangeNotifier {
 
   ServerModel(this.parent) {
     _emptyIdShow = translate("Generating ...");
-    _serverId = TextEditingController(text: this._emptyIdShow);
+    _serverId = IDTextEditingController(text: _emptyIdShow);
 
     Timer.periodic(Duration(seconds: 1), (timer) async {
       var status = await bind.mainGetOnlineStatue();
@@ -300,7 +301,7 @@ class ServerModel with ChangeNotifier {
   }
 
   _fetchID() async {
-    final old = _serverId.text;
+    final old = _serverId.id;
     var count = 0;
     const maxCount = 10;
     while (count < maxCount) {
@@ -309,12 +310,12 @@ class ServerModel with ChangeNotifier {
       if (id.isEmpty) {
         continue;
       } else {
-        _serverId.text = id;
+        _serverId.id = id;
       }
 
-      debugPrint("fetch id again at $count:id:${_serverId.text}");
+      debugPrint("fetch id again at $count:id:${_serverId.id}");
       count++;
-      if (_serverId.text != old) {
+      if (_serverId.id != old) {
         break;
       }
     }