Hex Editor

chameleonultragui/lib/gui/menu/card_edit.dart

@@ -6,6 +6,7 @@ import 'package:chameleonultragui/bridge/chameleon.dart';
 import 'package:provider/provider.dart';
 import 'package:chameleonultragui/main.dart';
 import 'package:flutter_colorpicker/flutter_colorpicker.dart';
+import 'package:chameleonultragui/gui/menu/hex_edit.dart';
 
 // Localizations
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
@@ -259,6 +260,28 @@ class CardEditMenuState extends State<CardEditMenu> {
         ),
       ),
       actions: [
+        Visibility(
+          visible: chameleonTagToFrequency(selectedType) != TagFrequency.lf,
+          child: TextButton(
+            onPressed: () async {
+              final data = await showDialog(
+                context: context,
+                builder: (BuildContext context) {
+                  return HexEditMenu(
+                    tagSave: widget.tagSave,
+                  );
+                },
+              );
+
+              if (data != null) {
+                setState(() {
+                  widget.tagSave.data = data;
+                });
+              }
+            },
+            child: Text(localizations.edit_hex)
+          ),
+        ),
         TextButton(
           onPressed: () {
             Navigator.pop(context);

chameleonultragui/lib/gui/menu/hex_edit.dart

@@ -0,0 +1,154 @@
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:chameleonultragui/helpers/general.dart';
+import 'package:chameleonultragui/sharedprefsprovider.dart';
+import'package:rich_text_controller/rich_text_controller.dart';
+//import 'package:provider/provider.dart';
+//import 'package:chameleonultragui/main.dart';
+
+// Localizations
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+class HexEditMenu extends StatefulWidget {
+  final CardSave tagSave;
+
+  const HexEditMenu({Key? key, required this.tagSave})
+      : super(key: key);
+
+  @override
+  HexEditMenuState createState() => HexEditMenuState();
+}
+
+class HexEditMenuState extends State<HexEditMenu> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  final List<RichTextController> _controllers = [];
+
+  List<Widget> cardSaveToBlockView(CardSave card) {
+    List<Widget> sectors = [];
+    List<String> blocks = [];
+    List<Uint8List> data = card.data;
+
+    // one block consists of 16 bytes
+    // Split the data into blocks
+    // 4 blocks per sector
+    for (var i = 0; i < data.length; i += 4) {
+      try {
+        if (data[i].isEmpty) {
+          blocks.add("");
+        } else {
+          blocks.add("${bytesToHexSpace(data[i])}\n${bytesToHexSpace(data[i + 1])}\n${bytesToHexSpace(data[i + 2])}\n${bytesToHexSpace(data[i + 3])}");
+        }
+      } on RangeError {
+        // If the data is not divisible by 4, add the remaining byte(s)
+        blocks.add(bytesToHexSpace(data[i]));
+      }
+
+      // Create a new TextEditingController for each sector
+      _controllers.add(
+        RichTextController(
+          text: blocks.last,
+          //patternMatchMap: {
+            //RegExp(r''): const TextStyle(color: Colors.green),
+            //RegExp(r'((?:\s[0-9A-F]{2}){4})(?=.{18}$)'): const TextStyle(color: Colors.red),
+            //RegExp(r'((?:[0-9A-F]{2}(?:\ |\n|\))?){6})$'): const TextStyle(color: Colors.blue),
+          //},
+          stringMatchMap: {
+            blocks.last.substring(blocks.last.length- 18, blocks.last.length): const TextStyle(color: Colors.blue),
+            blocks.last.substring(blocks.last.length - 29, blocks.last.length - 21): const TextStyle(color: Colors.red),
+            blocks.last.substring(blocks.last.length - 48, blocks.last.length - 30): const TextStyle(color: Colors.green),
+            " ": const TextStyle(color: Colors.blue), // This is a hack to properly display all colors, its a bug in the library
+          }, // This function has also some edgecase where stuff gets colored incorrectly, needs to be fixed some day when regex lookahead is fixed... //TODO: Fix when library got patched
+          onMatch: (List<String> matches) {},
+        ),
+      );
+    }
+
+    for (var i = 0; i < blocks.length; i++) {
+      sectors.add(const SizedBox(height: 10));
+      sectors.add(
+        TextField(
+          decoration: InputDecoration(
+            border: const OutlineInputBorder(),
+            labelText: 'Sector $i',
+          ),
+          controller: _controllers[i],
+          keyboardType: TextInputType.multiline,
+          maxLines: null,
+          onChanged: (value) async {},
+        ),
+      );
+    }
+
+    return sectors;
+  }
+
+  List<Uint8List> extractDataFromTextFields() {
+    List<Uint8List> data = [];
+
+    for (var i = 0; i < _controllers.length; i++) {
+      String text = _controllers[i].text;
+      List<String> lines = text.split('\n');
+      for (var line in lines) {
+        data.add(hexToBytesSpace(line.toUpperCase()));
+      }
+    }
+
+    return data;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    //var appState = context.watch<ChameleonGUIState>();
+    var localizations = AppLocalizations.of(context)!;
+
+    return AlertDialog(
+      title: Text(localizations.edit_hex),
+      content: SingleChildScrollView(
+        child: Column(
+          children: [
+            FittedBox(
+              fit: BoxFit.fitWidth,
+              child: Row(
+                children: [
+                  const Icon(Icons.square, color: Colors.green,),
+                  Text(localizations.key_a),
+                  const SizedBox(width: 10,),
+                  const Icon(Icons.square, color: Colors.red,),
+                  Text(localizations.acs),
+                  const SizedBox(width: 10,),
+                  const Icon(Icons.square, color: Colors.blue,),
+                  Text(localizations.key_b),
+                ],
+              ),
+            ),
+            const SizedBox(height: 10,),
+            ...cardSaveToBlockView(widget.tagSave),
+          ],
+        )
+      ),
+      actions: [
+        TextButton(
+          onPressed: () {
+            Navigator.pop(context);
+          },
+          child: Text(localizations.cancel),
+        ),
+        TextButton(
+          onPressed: () {
+            List<Uint8List> data = extractDataFromTextFields();
+            widget.tagSave.data = data;
+
+            // Return data back to widget that called this dialog
+            Navigator.pop(context, data);
+          },
+          child: Text(localizations.save),
+        ),
+      ],
+    );
+  }
+}

chameleonultragui/lib/l10n/app_en.arb

@@ -227,5 +227,9 @@
   "must_be_valid_hex": "Must be valid HEX",
   "export_to_dictionary": "Export found keys",
   "enter_name_of_card": "Enter name of card",
-  "enter_name_of_dictionary": "Enter name of dictionary"
+  "enter_name_of_dictionary": "Enter name of dictionary",
+  "edit_hex": "Edit HEX",
+  "key_a": "Key A",
+  "key_b": "Key B",
+  "acs": "ACS"
 }

chameleonultragui/pubspec.lock

@@ -557,6 +557,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.2.0"
+  rich_text_controller:
+    dependency: "direct main"
+    description:
+      name: rich_text_controller
+      sha256: "2697b0313c03429ac4d924e14f16e07d16e31a234d31c46bcce9f8f8e713f05f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.2"
   shared_preferences:
     dependency: "direct main"
     description:

chameleonultragui/pubspec.yaml

@@ -65,6 +65,7 @@ dependencies:
     sdk: flutter
   intl: any
   wakelock_plus: ^1.1.1
+  rich_text_controller: ^1.4.2
 
 dev_dependencies:
   flutter_test: