349 lines
13 KiB
Dart
349 lines
13 KiB
Dart
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// 👥 교사용 학생 계정 관리 화면 (UI 전용). 신규 학생 계정 추가 폼과 강제 삭제 다이얼로그를 그린다.
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// 서버 통신/상태는 lib/function/teacher_student_management_controller.dart가 담당한다.
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import 'package:flutter/material.dart';
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import '../function/teacher_student_management_controller.dart';
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// -----------------------------------------------------------------------------
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// 👥 [서브 화면 2] 학생 계정 관리 란 (추가 양식 폼 + 강제 삭제 다이얼로그 완전 내장)
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// -----------------------------------------------------------------------------
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class TeacherStudentManagementPage extends StatefulWidget {
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const TeacherStudentManagementPage({super.key});
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@override
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State<TeacherStudentManagementPage> createState() =>
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_TeacherStudentManagementPageState();
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}
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class _TeacherStudentManagementPageState
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extends State<TeacherStudentManagementPage> {
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final TeacherStudentManagementController _controller =
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TeacherStudentManagementController();
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final TextEditingController _addIdController = TextEditingController();
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final TextEditingController _addNameController = TextEditingController();
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final TextEditingController _addPwController = TextEditingController();
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@override
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void dispose() {
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_controller.dispose();
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_addIdController.dispose();
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_addNameController.dispose();
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_addPwController.dispose();
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super.dispose();
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}
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// ➕ [학생 추가 버튼 동작]
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Future<void> _addStudentAccount() async {
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final sId = _addIdController.text.trim();
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final sName = _addNameController.text.trim();
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final sPw = _addPwController.text.trim();
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if (sId.isEmpty || sName.isEmpty || sPw.isEmpty) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('⚠️ 모든 입력란을 채워주세요.')));
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return;
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}
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final (success, message) = await _controller.addStudentAccount(
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studentId: sId,
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name: sName,
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password: sPw,
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);
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if (!mounted) return;
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if (success) {
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_addIdController.clear();
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_addNameController.clear();
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_addPwController.clear();
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}
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(message)));
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}
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// ❌ [학생 삭제 버튼 동작]
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Future<void> _deleteStudentAccount(String studentId) async {
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final (_, message) = await _controller.deleteStudentAccount(studentId);
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if (!mounted) return;
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(message)));
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}
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// 🚨 계정 삭제 확인 팝업창 모달
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void _showDeleteDialog() {
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final TextEditingController deleteIdController = TextEditingController();
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showDialog(
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context: context,
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builder: (context) {
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return AlertDialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(24),
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),
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title: Row(
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children: [
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Icon(Icons.warning_amber_rounded, color: Colors.orange[700]),
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const SizedBox(width: 10),
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const Text(
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'학생 계정 강제 삭제',
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18),
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),
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],
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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text(
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'영구 삭제할 학생의 학번을 정확하게 입력하세요.',
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style: TextStyle(color: Colors.black54, fontSize: 13),
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),
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const SizedBox(height: 16),
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TextField(
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controller: deleteIdController,
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keyboardType: TextInputType.number,
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decoration: InputDecoration(
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labelText: '학번 입력',
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labelStyle: TextStyle(color: Colors.orange[700]),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(16),
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borderSide: BorderSide(
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color: Colors.orange[700]!,
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width: 2,
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),
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(16),
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),
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prefixIcon: const Icon(Icons.no_accounts_rounded),
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),
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),
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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('취소', style: TextStyle(color: Colors.grey)),
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),
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ElevatedButton(
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onPressed: () {
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final inputId = deleteIdController.text.trim();
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if (inputId.isNotEmpty) {
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Navigator.pop(context);
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_deleteStudentAccount(inputId);
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}
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.orange[700],
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: const Text(
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'삭제 확정',
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style: TextStyle(fontWeight: FontWeight.bold),
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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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@override
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Widget build(BuildContext context) {
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return ListenableBuilder(
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listenable: _controller,
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builder: (context, _) {
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return Scaffold(
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backgroundColor: Colors.grey[100],
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appBar: AppBar(
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title: const Text(
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'⚙️ 학생 통합 관리 센터',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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backgroundColor: Colors.orange,
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foregroundColor: Colors.white,
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elevation: 0,
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(24.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 🏷️ 인디케이터 바 1 (추가 메뉴)
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Row(
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children: [
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Container(
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width: 4,
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height: 16,
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decoration: BoxDecoration(
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color: Colors.orange,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(width: 8),
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const Text(
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'신규 학생 계정 추가',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
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),
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],
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),
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const SizedBox(height: 16),
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// 📝 학생 추가 컨테이너 폼
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Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(24),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.04),
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blurRadius: 16,
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),
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],
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),
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child: Column(
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children: [
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TextField(
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controller: _addIdController,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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labelText: '학번',
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prefixIcon: Icon(Icons.badge),
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _addNameController,
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decoration: const InputDecoration(
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labelText: '이름',
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prefixIcon: Icon(Icons.person),
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _addPwController,
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obscureText: true,
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decoration: const InputDecoration(
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labelText: '초기 비밀번호',
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prefixIcon: Icon(Icons.lock),
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),
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),
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const SizedBox(height: 20),
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SizedBox(
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width: double.infinity,
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height: 50,
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child: ElevatedButton(
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onPressed: _controller.isWorking
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? null
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: _addStudentAccount,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.orange,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: _controller.isWorking
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? const CircularProgressIndicator(
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color: Colors.white,
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)
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: const Text(
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'학생 등록 완료',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 15,
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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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const SizedBox(height: 36),
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// 🏷️ 인디케이터 바 2 (삭제 권한 제어메뉴)
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Row(
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children: [
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Container(
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width: 4,
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height: 16,
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decoration: BoxDecoration(
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color: Colors.red,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(width: 8),
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const Text(
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'위험 구역 (Account Reset)',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: Colors.redAccent,
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),
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),
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],
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),
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const SizedBox(height: 16),
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// 🚨 학생 삭제 트리거 카드
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InkWell(
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onTap: _showDeleteDialog,
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borderRadius: BorderRadius.circular(24),
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child: Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.red[50],
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borderRadius: BorderRadius.circular(24),
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border: Border.all(color: Colors.red.shade200),
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),
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child: const Row(
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children: [
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Icon(
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Icons.delete_sweep_rounded,
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color: Colors.red,
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size: 32,
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),
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SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'학생 계정 강제 원격 삭제',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: Colors.red,
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),
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),
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SizedBox(height: 2),
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Text(
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'인증 초기화 및 DB 제거용',
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style: TextStyle(
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fontSize: 12,
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color: Colors.redAccent,
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),
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),
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],
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),
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),
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Icon(
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Icons.arrow_forward_ios_rounded,
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color: Colors.red,
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size: 16,
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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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);
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},
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);
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}
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}
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