2025-12-29 First Commit

2025-12-29 15:20:40 +08:00
commit fb2603c6f0
92 changed files with 6006 additions and 0 deletions
@@ -0,0 +1,167 @@
+import 'package:flutter/material.dart';
+import './announcement_api.dart';
+import './announcement_model.dart';
+import './announcement_detail.dart'; // 稍後創建
+
+class AnnouncementManager extends StatefulWidget {
+  const AnnouncementManager({super.key});
+
+  @override
+  State<StatefulWidget> createState() {
+    return _AnnouncementManagerState();
+  }
+}
+
+class _AnnouncementManagerState extends State<AnnouncementManager> {
+  final AnnouncementApiService _apiService = AnnouncementApiService();
+  late Future<List<Announcement>> _announcementsFuture;
+
+  @override
+  void initState() {
+    super.initState();
+    // 頁面加載時自動開始獲取資料
+    _announcementsFuture = _apiService.fetchAnnouncements();
+  }
+
+  // 刷新資料的函數
+  void _refreshAnnouncements() {
+    setState(() {
+      _announcementsFuture = _apiService.fetchAnnouncements();
+    });
+  }
+
+  // 導航回主頁（與您 NewsManager 中的邏輯相似）
+  void _backToHome() {
+    // 假設 MainMenu 在 main.dart 中
+    // import './main.dart';
+    // Navigator.pushAndRemoveUntil(context, MaterialPageRoute(builder: (context) => const MainMenu()), (route) => false,);
+    // 在這裡我們假設它作為子頁面，使用 pop 即可返回
+    Navigator.pop(context);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('企業公告'),
+        actions: <Widget>[
+          IconButton(
+            icon: const Icon(Icons.refresh),
+            tooltip: '刷新列表',
+            onPressed: _refreshAnnouncements,
+          ),
+          IconButton(
+            icon: const Icon(Icons.home),
+            tooltip: '返回主頁',
+            onPressed: _backToHome,
+          ),
+        ],
+      ),
+      body: FutureBuilder<List<Announcement>>(
+        future: _announcementsFuture,
+        builder: (context, snapshot) {
+          if (snapshot.connectionState == ConnectionState.waiting) {
+            // 資料載入中
+            return const Center(child: CircularProgressIndicator());
+          } else if (snapshot.hasError) {
+            // 資料載入失敗 (顯示錯誤訊息)
+            return Center(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text('載入失敗: ${snapshot.error}', textAlign: TextAlign.center),
+                  const SizedBox(height: 16),
+                  ElevatedButton(onPressed: _refreshAnnouncements, child: const Text('重試')),
+                ],
+              ),
+            );
+          } else if (snapshot.hasData && snapshot.data!.isNotEmpty) {
+            // 資料載入成功 (顯示列表)
+            return AnnouncementList(announcements: snapshot.data!);
+          } else {
+            // 沒有資料
+            return const Center(child: Text('目前沒有企業公告。'));
+          }
+        },
+      ),
+    );
+  }
+}
+
+// -----------------------------------------------------------
+// 列表顯示小部件 (取代原有的 News 類別)
+// -----------------------------------------------------------
+
+class AnnouncementList extends StatelessWidget {
+  final List<Announcement> announcements;
+
+  const AnnouncementList({required this.announcements, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return ListView.builder(
+      itemCount: announcements.length,
+      itemBuilder: (BuildContext context, int index) {
+        final item = announcements[index];
+
+        return Card(
+          elevation: 4,
+          margin: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 16.0),
+          child: InkWell(
+            onTap: () {
+              // 點擊項目：導航到詳細頁面
+              Navigator.push(
+                context,
+                MaterialPageRoute(
+                  builder: (context) => AnnouncementDetail(announcement: item),
+                ),
+              );
+            },
+            child: Padding(
+              padding: const EdgeInsets.all(16.0),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: <Widget>[
+                  // 公告標題
+                  Text(
+                    item.title,
+                    style: const TextStyle(fontSize: 18.0, fontWeight: FontWeight.bold),
+                    maxLines: 2,
+                    overflow: TextOverflow.ellipsis,
+                  ),
+                  const SizedBox(height: 8),
+                  // 發布日期和作者
+                  Row(
+                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                    children: [
+                      Row(
+                        children: [
+                          const Icon(Icons.calendar_today, size: 14, color: Colors.grey),
+                          const SizedBox(width: 4),
+                          Text(
+                            item.formattedBillDate,
+                            style: const TextStyle(fontSize: 14.0, color: Colors.grey),
+                          ),
+                        ],
+                      ),
+                      Row(
+                        children: [
+                          const Icon(Icons.person, size: 14, color: Colors.grey),
+                          const SizedBox(width: 4),
+                          Text(
+                            item.createdBy,
+                            style: const TextStyle(fontSize: 14.0, color: Colors.grey),
+                          ),
+                        ],
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+            ),
+          ),
+        );
+      },
+    );
+  }
+}