修改幾個小 issue

lib/todo/todo_form.dart

@@ -1,4 +1,4 @@
-// todo_form.dart (適配 Todo Model)
+// todo_form.dart (適配 Todo Model - 中文化與選項調整)
 
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
@@ -21,8 +21,10 @@ class _TodoFormState extends State<TodoForm> {
   final TextEditingController _nameController = TextEditingController();
   final TextEditingController _descController = TextEditingController();
 
-  String _selectedClass = 'Work';
-  String _selectedPriority = 'Medium';
+  // 根據需求更新預設值與選項
+  String _selectedClass = '工作';
+  String _selectedPriority = 'Middle';
+  String _selectedStatus = 'ToDo'; // 新增狀態變數
   DateTime _endDate = DateTime.now().add(const Duration(days: 7));
 
   final Color primaryPurple = const Color(0xFF6542D0);
@@ -53,7 +55,7 @@ class _TodoFormState extends State<TodoForm> {
         className: _selectedClass,
         description: _descController.text,
         priority: _selectedPriority,
-        status: 'WIP',
+        status: _selectedStatus, // 這裡改為帶入表單選擇的狀態
         endDate: _endDate,
         createdBy: widget.userId,
       );
@@ -77,7 +79,7 @@ class _TodoFormState extends State<TodoForm> {
       appBar: AppBar(
         backgroundColor: bgLight, elevation: 0,
         leading: IconButton(icon: const Icon(Icons.arrow_back_ios_new, color: Colors.black87), onPressed: () => Navigator.pop(context)),
-        title: const Text('New Task', style: TextStyle(color: Colors.black87, fontWeight: FontWeight.bold)),
+        title: const Text('新增任務', style: TextStyle(color: Colors.black87, fontWeight: FontWeight.bold)),
         centerTitle: true,
       ),
       body: SingleChildScrollView(
@@ -87,15 +89,25 @@ class _TodoFormState extends State<TodoForm> {
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-              _buildDropdownField('Task Category', _selectedClass, ['Work', 'Personal', 'Urgent'], (val) => setState(() => _selectedClass = val!)),
+              // 類別：改為 固定三個選項
+              _buildDropdownField('任務類別', _selectedClass, ['工作', '個人行程', '其他'], (val) => setState(() => _selectedClass = val!)),
               const SizedBox(height: 20),
-              _buildTextField('Task Name', _nameController, 'e.g. Design UI Mockup', Icons.edit_note),
+
+              // 名稱與說明：加上中文提示
+              _buildTextField('任務名稱', _nameController, '例如：撰寫系統分析報告', Icons.edit_note),
               const SizedBox(height: 20),
-              _buildTextField('Description', _descController, 'Enter details here...', Icons.description, isMultiline: true),
+              _buildTextField('任務說明', _descController, '請輸入任務詳細說明...', Icons.description, isMultiline: true),
               const SizedBox(height: 20),
-              _buildDropdownField('Priority', _selectedPriority, ['High', 'Medium', 'Low'], (val) => setState(() => _selectedPriority = val!)),
+
+              // 優先級：改為 High, Middle, Low
+              _buildDropdownField('優先級', _selectedPriority, ['High', 'Middle', 'Low'], (val) => setState(() => _selectedPriority = val!)),
               const SizedBox(height: 20),
-              _buildDatePicker('Due Date', _endDate),
+
+              // 新增狀態下拉選單
+              _buildDropdownField('目前狀態', _selectedStatus, ['ToDo', 'WIP', 'Hold', 'Done'], (val) => setState(() => _selectedStatus = val!)),
+              const SizedBox(height: 20),
+
+              _buildDatePicker('截止日期', _endDate),
               const SizedBox(height: 40),
               _buildSubmitButton(),
             ],
@@ -119,7 +131,7 @@ class _TodoFormState extends State<TodoForm> {
             controller: controller,
             maxLines: isMultiline ? 3 : 1,
             decoration: InputDecoration(hintText: hint, border: InputBorder.none, isDense: true, contentPadding: const EdgeInsets.only(top: 8)),
-            validator: (v) => v == null || v.isEmpty ? 'Cannot be empty' : null,
+            validator: (v) => v == null || v.isEmpty ? '此欄位不能為空' : null, // 必填防呆中文化
           )
         ],
       ),
@@ -155,7 +167,8 @@ class _TodoFormState extends State<TodoForm> {
               children: [
                 Text(label, style: const TextStyle(fontSize: 12, color: Colors.grey)),
                 const SizedBox(height: 4),
-                Text(DateFormat('dd MMM, yyyy').format(date), style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold)),
+                // 日期格式也順便調整成台灣習慣的 YYYY/MM/DD
+                Text(DateFormat('yyyy/MM/dd').format(date), style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold)),
               ],
             ),
             Icon(Icons.calendar_today, color: primaryPurple, size: 20),
@@ -172,7 +185,7 @@ class _TodoFormState extends State<TodoForm> {
       child: ElevatedButton(
         style: ElevatedButton.styleFrom(backgroundColor: primaryPurple, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)), elevation: 5),
         onPressed: _handleSubmit,
-        child: const Text('Create Task', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.white)),
+        child: const Text('建立任務', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.white)),
       ),
     );
   }