108 lines
2.6 KiB
Dart
108 lines
2.6 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'task.dart';
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import 'taskManager.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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debugShowCheckedModeBanner: false,
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theme: ThemeData(
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
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useMaterial3: true,
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),
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home: const MyHomePage(title: 'Чубыкина Полина Павловна'),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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enum TaskPriority {
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low,
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medium,
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high,
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}
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extension TaskPriorityExtension on TaskPriority {
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String get displayName {
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switch (this) {
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case TaskPriority.low:
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return 'Low';
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case TaskPriority.medium:
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return 'Medium';
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case TaskPriority.high:
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return 'High';
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}
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}
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}
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class _MyHomePageState extends State<MyHomePage> {
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Color _color = Colors.orangeAccent;
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final TaskManager _taskManager = TaskManager();
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void _addRandomTask() {
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const priorities = TaskPriority.values;
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final randomPriority = priorities[Random().nextInt(priorities.length)];
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final newTask = Task('Task ${_taskManager.getTasks().length + 1}', randomPriority);
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_taskManager.addTask(newTask);
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setState(() {
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_color = Color((Random().nextDouble() * 0xFFFFFF).toInt()).withOpacity(1.0);
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: _color,
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title: Text(widget.title),
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),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Expanded(
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child: SingleChildScrollView(
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child: Column(
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children: <Widget>[
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for (var task in _taskManager.getTasks())
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Text(
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'${task.title}: Priority - ${task.priority.displayName}',
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style: const TextStyle(fontSize: 18),
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),
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],
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),
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),
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),
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],
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),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: () async {
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_addRandomTask();
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await _taskManager.simulateTaskProcessing();
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},
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backgroundColor: _color,
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child: const Icon(Icons.add),
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),
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);
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}
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}
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