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Diffstat (limited to 'main.dart')
| -rw-r--r-- | main.dart | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/main.dart b/main.dart new file mode 100644 index 0000000..313f649 --- /dev/null +++ b/main.dart @@ -0,0 +1,220 @@ +import 'package:flutter/material.dart'; +import 'dart:io'; +import 'package:http/http.dart' as http; + +void main() { + runApp(const MyApp()); +} + +class MyApp extends StatelessWidget { + const MyApp({super.key}); + + @override + Widget build(BuildContext context) { + return MaterialApp( + title: 'Flutter Demo', + theme: ThemeData( + brightness: Brightness.dark, + primaryColor: Colors.white, + ), + home: const MyHomePage(title: 'Flutter Demo Home Page'), + ); + } +} + +class MyHomePage extends StatefulWidget { + const MyHomePage({super.key, required this.title}); + + final String title; + + @override + State<MyHomePage> createState() => _MyHomePageState(); +} + +class _MyHomePageState extends State<MyHomePage> { + final TextEditingController _todoController = TextEditingController(); + final TextEditingController _usernameController = TextEditingController(); + final List<String> _values = <String>['first todo', 'second work']; + final List<bool> _dones = <bool>[true, false]; + var _username = "test"; + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar( + title: Text("Text App"), + backgroundColor: Color(0xff2d3f76), + ), + body: Center( + child: Container( + padding: EdgeInsets.all(16.0), + child: Column(children: _showTodos()))), + floatingActionButton: FloatingActionButton( + onPressed: () { + setState(() { + if (_todoController.text.isNotEmpty) { + _values.add(_todoController.text); + _dones.add(false); + _todoController.clear(); + } + }); + }, + tooltip: 'Add Todo', + child: const Icon(Icons.add), + ), + bottomNavigationBar: BottomNavigationBar( + items: [ + BottomNavigationBarItem( + icon: IconButton( + onPressed: () => _showDialog(), icon: Icon(Icons.login)), + label: "Login"), + BottomNavigationBarItem( + icon: IconButton( + onPressed: () => _saveTodos(), icon: Icon(Icons.save)), + label: "Save"), + ], + backgroundColor: Color(0xff222436), + )); + } + + List<Widget> _showTodos() { + List<Widget> todos = []; + for (int i = 0; i < _values.length; i++) { + String context = _values[i]; + todos.add(Row(children: <Widget>[ + Checkbox( + value: _dones[i], + onChanged: (bool? value) { + setState(() { + _dones[i] = value!; + }); + }), + SizedBox(width: 10), + Text(context), + Spacer(), + IconButton( + onPressed: () { + setState(() { + int i = _values.indexOf(context); + _values.remove(context); + _dones.removeAt(i); + }); + }, + icon: Icon( + Icons.delete, + color: Colors.red, + ), + ), + ])); + } + if (_values.isEmpty) { + todos.add(Text('Nothing here')); + } + todos.add(SizedBox(height: 10)); + todos.add(TextField( + controller: _todoController, + decoration: const InputDecoration( + border: OutlineInputBorder(), + labelText: 'Insert Todo', + ), + )); + return todos; + } + + Future<void> _showDialog() async { + return showDialog<void>( + context: context, + builder: (BuildContext context) { + return AlertDialog( + title: const Text('Login'), + content: TextField( + controller: _usernameController, + decoration: const InputDecoration(hintText: 'Username'), + autofocus: true, + ), + actions: <Widget>[ + OutlinedButton( + style: OutlinedButton.styleFrom( + shape: RoundedRectangleBorder( + borderRadius: BorderRadius.circular(12), + ), + ), + onPressed: () { + Navigator.of(context).pop(); + }, + child: const Text('Cancel'), + ), + ElevatedButton( + style: ElevatedButton.styleFrom( + shape: RoundedRectangleBorder( + borderRadius: BorderRadius.circular(12), + ), + ), + onPressed: () { + Navigator.of(context).pop(); + _username = _usernameController.text; + _values.clear(); + _dones.clear(); + _loadTodos(); + _usernameController.clear(); + }, + child: const Text('Login'), + ), + ], + ); + }); + } + + void _loadTodos() async { + String uri = "http://127.0.0.1:6969/$_username.txt"; + try { + http.Response response = await http.get(Uri.parse(uri)); + if (response.statusCode == 200) { + print("Successfully got the data"); + } else { + print('Error getting data: ${response.statusCode}'); + return; + } + + setState(() { + todoDecode(response.body, _values, _dones); + }); + print(_values); + print(_dones); + } on SocketException catch (e) { + print(e.message); + } + } + + void _saveTodos() async { + String uri = "http://127.0.0.1:6969/$_username.txt"; + var data = todoEncode(_values, _dones); + print(data); + try { + http.Response response = await http.post(Uri.parse(uri), body: data); + if (response.statusCode == 200) { + print('Data sent successfully'); + } else { + print('Error sending data: ${response.statusCode}'); + } + } catch (e) { + print(e.toString()); + } + } +} + +String todoEncode(List<String> values, List<bool> dones) { + String data = ""; + for (int i = 0; i < values.length; i++) { + data += '${dones[i] ? 1 : 0}:${values[i]}\n'; + } + return data; +} + +void todoDecode(String todos, List<String> values, List<bool> dones) { + var tmp = todos.split('\n'); + for (int i = 0; i < tmp.length - 1; i++) { + values.add(tmp[i].substring(2)); + dones.add(tmp[i][0] == '0' ? false : true); + } +} |