88 lines
2.8 KiB
Dart
88 lines
2.8 KiB
Dart
import 'package:flutter/material.dart';
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import './announcement_model.dart';
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// 引入 url_launcher 來處理附件 (可選，需要 pubspec.yaml 增加 url_launcher 套件)
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// import 'package:url_launcher/url_launcher.dart';
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class AnnouncementDetail extends StatelessWidget {
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final Announcement announcement;
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const AnnouncementDetail({required this.announcement, super.key});
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// 處理附件下載的函數 (需要 url_launcher 套件)
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/*
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void _launchAttachment(String url) async {
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final uri = Uri.parse(url);
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if (await canLaunchUrl(uri)) {
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await launchUrl(uri);
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} else {
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// 處理錯誤
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print('無法開啟附件連結: $url');
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}
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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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title: Text(announcement.title, overflow: TextOverflow.ellipsis),
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(20.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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// 標題
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Text(
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announcement.title,
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style: const TextStyle(
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fontSize: 24.0,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 16),
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// 資訊列
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text('發布日期: ${announcement.formattedBillDate}',
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style: const TextStyle(color: Colors.grey, fontSize: 14)),
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Text('作者: ${announcement.createdBy}',
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style: const TextStyle(color: Colors.grey, fontSize: 14)),
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],
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),
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const Divider(height: 32.0),
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// 附件按鈕 (如果有)
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if (announcement.attachment != null && announcement.attachment!.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(bottom: 16.0),
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child: TextButton.icon(
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icon: const Icon(Icons.attach_file),
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label: const Text('查看附件'),
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onPressed: () {
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// TODO: 實作附件下載/開啟邏輯
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// _launchAttachment(announcement.attachment!);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('附件功能待實作。')),
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);
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},
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),
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),
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// 公告詳細內容 (使用 Text 顯示)
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Text(
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announcement.description,
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style: const TextStyle(
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fontSize: 16.0,
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height: 1.5,
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),
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textAlign: TextAlign.justify,
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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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} |