更新
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chenshuainan
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/// ============================================================
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/// 【FeedbackPopup】题目反馈弹层
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/// （1:1 迁移 Vue components/FeedbackPopup/FeedbackPopup.vue，
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/// BottomPopup → showModalBottomSheet）
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///
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/// 用法（与 Vue defineExpose 对齐）：
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/// `final key = GlobalKey<FeedbackPopupState>();`
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/// `FeedbackPopup(key: key);`
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/// `key.currentState!.open(id, questionId);`
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///
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/// 校验顺序：反馈内容 → 反馈类型；成功后自动关闭并重置。
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/// ============================================================
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library;
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:new_learn/core/api/conquerPackage/classExercises/api.dart';
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import 'package:new_learn/core/components/center_toast.dart';
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import 'package:new_learn/core/components/upload.dart';
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import 'exercise_styles.dart';
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class _FeedbackOption {
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const _FeedbackOption(this.label, this.value);
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final String label;
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final int value;
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}
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const List<_FeedbackOption> _kOptions = [
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_FeedbackOption('题干错误', 1),
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_FeedbackOption(' 解析看不懂', 2),
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_FeedbackOption('答案错误', 3),
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_FeedbackOption('选项错误', 4),
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_FeedbackOption('批阅错误', 5),
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_FeedbackOption('其他', 0),
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];
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class FeedbackPopup extends StatefulWidget {
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const FeedbackPopup({super.key});
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@override
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State<FeedbackPopup> createState() => FeedbackPopupState();
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}
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class FeedbackPopupState extends State<FeedbackPopup> {
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/// 打开反馈弹层
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void open(dynamic id, dynamic questionId) {
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showModalBottomSheet<void>(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (_) => _FeedbackSheet(id: id, questionId: questionId),
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);
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}
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@override
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Widget build(BuildContext context) => const SizedBox.shrink();
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}
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class _FeedbackSheet extends StatefulWidget {
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const _FeedbackSheet({required this.id, required this.questionId});
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final dynamic id;
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final dynamic questionId;
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@override
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State<_FeedbackSheet> createState() => _FeedbackSheetState();
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}
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class _FeedbackSheetState extends State<_FeedbackSheet> {
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final Set<int> _selected = {};
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final TextEditingController _contentController = TextEditingController();
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List<UploadItem> _imageList = const [];
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bool _submitting = false;
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@override
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void dispose() {
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_contentController.dispose();
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super.dispose();
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}
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Future<void> _submit() async {
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if (_contentController.text.isEmpty) {
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CenterToast.show(context, '请输入反馈内容');
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return;
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}
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if (_selected.isEmpty) {
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CenterToast.show(context, '请选择反馈类型');
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return;
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}
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setState(() => _submitting = true);
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// 提交中遮罩（对标 uni.showLoading），压在底部弹层之上
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unawaited(showDialog<void>(
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context: context,
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barrierDismissible: false,
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barrierColor: Colors.black38,
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builder: (_) => const Center(child: CircularProgressIndicator()),
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));
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final payload = {
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'id': widget.id,
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'questionId': widget.questionId,
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'feedbackTypes': _selected.toList(),
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'description': _contentController.text,
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'images': _imageList.map((e) => e.url).toList(),
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};
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try {
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final res = await ClassExercisesApi.instance.feedback(payload);
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if (!mounted) return;
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Navigator.of(context).pop(); // 关闭 loading
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if (res != null && res != false) {
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CenterToast.show(context, '反馈成功');
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Navigator.of(context).pop(); // 关闭反馈弹层
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} else {
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CenterToast.show(context, '反馈失败，请检查网络');
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}
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} catch (_) {
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if (!mounted) return;
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Navigator.of(context).pop(); // 关闭 loading
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CenterToast.show(context, '反馈失败，请检查网络');
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} finally {
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if (mounted) setState(() => _submitting = false);
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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 Padding(
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padding: EdgeInsets.only(bottom: MediaQuery.viewInsetsOf(context).bottom),
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child: Container(
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.vertical(top: Radius.circular(10)),
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),
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child: SafeArea(
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top: false,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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_buildHeader(),
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Flexible(
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child: SingleChildScrollView(
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padding: EdgeInsets.symmetric(horizontal: 14.w),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildOptionsGrid(),
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Padding(
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padding: EdgeInsets.symmetric(vertical: 20.h),
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child: _buildTextarea(),
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),
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Upload(
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title: '上传图片',
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maxCount: 5,
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type: UploadType.feedback,
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initialImageList: _imageList,
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onChanged: (list) =>
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setState(() => _imageList = list),
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),
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Padding(
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padding: EdgeInsets.only(top: 30.h),
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child: ExerciseButton(
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text: '提交反馈',
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style: ExerciseButtonStyle.blueGradient,
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width: double.infinity,
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enabled: !_submitting,
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onTap: _submit,
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),
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),
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SizedBox(height: 20.h),
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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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Widget _buildHeader() {
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return Container(
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height: 60.h, // 120rpx
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padding: EdgeInsets.symmetric(horizontal: 14.w),
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFFE1EEFF), Colors.white],
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),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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SizedBox(width: 24.w),
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Text(
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'题目反馈',
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style: TextStyle(fontSize: 16.sp, color: ExerciseColors.title),
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),
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GestureDetector(
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onTap: () => Navigator.of(context).pop(),
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behavior: HitTestBehavior.opaque,
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child: Icon(Icons.close, size: 22.w, color: ExerciseColors.title),
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),
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],
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),
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);
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}
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Widget _buildOptionsGrid() {
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final chipW = (1.sw - 14.w * 2 - 16.w * 2) / 3;
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return Wrap(
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spacing: 16.w, // column-gap 32rpx
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runSpacing: 10.h, // row-gap 20rpx
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children: [
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for (final opt in _kOptions)
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GestureDetector(
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onTap: () => setState(() {
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if (!_selected.remove(opt.value)) _selected.add(opt.value);
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}),
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behavior: HitTestBehavior.opaque,
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child: Container(
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width: chipW,
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padding: EdgeInsets.only(top: 11.w, bottom: 13.5.h),
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alignment: Alignment.center,
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decoration: BoxDecoration(
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color: _selected.contains(opt.value)
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? const Color(0xFF6195F6)
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: const Color(0xFFF5F8FA),
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borderRadius: BorderRadius.circular(6.r),
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),
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child: Text(
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opt.label,
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style: TextStyle(
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fontSize: 14.sp,
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color: _selected.contains(opt.value)
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? Colors.white
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: const Color(0xFF687FAD),
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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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Widget _buildTextarea() {
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return TextField(
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controller: _contentController,
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maxLines: 4,
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minLines: 4,
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maxLength: 500,
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onChanged: (_) => setState(() {}),
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decoration: InputDecoration(
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hintText: '请描述您的反馈...',
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hintStyle: TextStyle(fontSize: 14.sp, color: const Color(0xFFB3C2E0)),
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counterStyle: TextStyle(fontSize: 12.sp, color: const Color(0xFFB3C2E0)),
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filled: true,
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fillColor: const Color(0xFFFAFBFD),
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contentPadding: EdgeInsets.all(12.w),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8.r),
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borderSide: BorderSide(color: ExerciseColors.border, width: 1.w),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8.r),
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borderSide:
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BorderSide(color: ExerciseColors.primary, width: 1.w),
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),
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),
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style: TextStyle(fontSize: 14.sp, color: ExerciseColors.title),
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);
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}
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}
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