[기말고사 대비] 4. detail page

4. detail page

import 'package:flutter/material.dart';
import 'home_page.dart'; // Place 클래스 가져오기

class DetailPage extends StatefulWidget {
  const DetailPage({super.key});

  @override
  State<DetailPage> createState() => _DetailPageState();
}

class _DetailPageState extends State<DetailPage> {
  late Place place; // 전달받은 장소 객체
  final TextEditingController _memoController = TextEditingController();

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    // arguments로 전달받은 Place 객체 가져오기
    final args = ModalRoute.of(context)!.settings.arguments;
    if (args != null && args is Place) {
      place = args;
      _memoController.text = place.memo; // 기존 메모 세팅
    }
  }

  @override
  void dispose() {
    _memoController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('메모 작성'),
        actions: [
          IconButton(
            icon: const Icon(Icons.save),
            onPressed: () {
              // 메모 저장
              place.memo = _memoController.text.trim();
              Navigator.pop(context, place); // 변경된 장소 반환
            },
          ),
        ],
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              place.name,
              style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 4),
            Text(
              place.address,
              style: const TextStyle(color: Colors.grey),
            ),
            const SizedBox(height: 20),
            const Text('메모 입력', style: TextStyle(fontSize: 16)),
            const SizedBox(height: 8),
            TextField(
              controller: _memoController,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                hintText: '이 장소에 대한 메모를 입력하세요',
              ),
              maxLines: 6,
            ),
          ],
        ),
      ),
    );
  }
}