feat(app): 老师点评功能 — CommentCreate事件 + CommentBottomSheet + 日记墙点评按钮
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iven
191
app/lib/features/class_/widgets/comment_bottom_sheet.dart
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191
app/lib/features/class_/widgets/comment_bottom_sheet.dart
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// 评语输入 BottomSheet — 老师点评学生日记
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//
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// 设计要点：
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// - 7 个快捷评语模板，一键选择
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// - 自由文字输入，支持多行
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// - 温暖鼓励的语气（面向小学生日记）
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// - 触摸目标 ≥ 44px
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import 'package:flutter/material.dart';
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/// 老师点评输入面板
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class CommentBottomSheet extends StatefulWidget {
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final String journalId;
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final String studentName;
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final void Function(String content) onSubmit;
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const CommentBottomSheet({
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super.key,
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required this.journalId,
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required this.studentName,
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required this.onSubmit,
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});
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@override
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State<CommentBottomSheet> createState() => _CommentBottomSheetState();
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}
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class _CommentBottomSheetState extends State<CommentBottomSheet> {
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final _controller = TextEditingController();
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final _focusNode = FocusNode();
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bool _isSubmitting = false;
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// 快捷评语模板 — 温暖鼓励风格
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static const _quickComments = [
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'🌟 写得真好！继续加油！',
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'📖 故事很精彩，想象力很丰富！',
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'💪 字写得很工整，继续保持！',
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'🎨 画得很漂亮，很有创意！',
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'🌈 内容很丰富，观察很仔细！',
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'✍️ 可以再多写一点自己的感受哦',
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'📸 照片拍得很好，记录很用心！',
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];
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@override
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void initState() {
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super.initState();
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Future.microtask(() => _focusNode.requestFocus());
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}
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@override
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void dispose() {
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_controller.dispose();
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_focusNode.dispose();
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super.dispose();
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}
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void _submit() {
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final content = _controller.text.trim();
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if (content.isEmpty) return;
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setState(() => _isSubmitting = true);
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widget.onSubmit(content);
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Navigator.pop(context);
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Container(
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constraints: BoxConstraints(
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maxHeight: MediaQuery.of(context).size.height * 0.7,
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),
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decoration: BoxDecoration(
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color: theme.colorScheme.surface,
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borderRadius: const BorderRadius.vertical(top: Radius.circular(22)),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// 拖拽条
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Center(
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child: Container(
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margin: const EdgeInsets.symmetric(vertical: 8),
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(2),
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),
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),
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),
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// 标题
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'点评 ${widget.studentName} 的日记',
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style: theme.textTheme.titleSmall,
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),
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IconButton(
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icon: const Icon(Icons.close, size: 20),
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onPressed: () => Navigator.pop(context),
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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),
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],
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),
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),
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const SizedBox(height: 8),
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// 快捷评语
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SizedBox(
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height: 80,
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child: ListView(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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children: _quickComments.map((comment) {
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return Padding(
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padding: const EdgeInsets.only(right: 8),
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child: ActionChip(
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label: Text(comment, style: const TextStyle(fontSize: 12)),
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onPressed: () {
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_controller.text = comment;
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_focusNode.requestFocus();
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},
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),
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);
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}).toList(),
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),
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),
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const SizedBox(height: 8),
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// 输入框
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: TextField(
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controller: _controller,
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focusNode: _focusNode,
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maxLines: 3,
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minLines: 1,
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textInputAction: TextInputAction.done,
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onSubmitted: (_) => _submit(),
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decoration: InputDecoration(
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hintText: '写下你的评语...',
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(color: Colors.grey.shade300),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(color: Colors.grey.shade300),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(
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color: theme.colorScheme.primary,
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width: 2,
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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: 12),
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// 提交按钮
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: SizedBox(
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width: double.infinity,
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height: 44,
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child: FilledButton(
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onPressed: _isSubmitting ? null : _submit,
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child: _isSubmitting
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('发布评语'),
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),
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),
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),
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const SizedBox(height: 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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