generated from dellevin/template
121 lines
4.0 KiB
Dart
121 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../models/data_models.dart';
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import '../widgets/note_list_item.dart';
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/// 笔记标签页
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class NoteTabPage extends StatelessWidget {
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const NoteTabPage({super.key});
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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// 笔记列表（无状态筛选，显示所有笔记）
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Expanded(
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child: _buildNoteList(context),
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),
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],
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);
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}
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/// 构建笔记列表
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Widget _buildNoteList(BuildContext context) {
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return Consumer<AppProvider>(
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builder: (context, provider, child) {
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final notes = provider.notes;
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if (notes.isEmpty) {
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return _buildEmptyState(context);
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}
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return RefreshIndicator(
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onRefresh: () async => await provider.loadNotes(),
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child: ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: notes.length,
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itemBuilder: (context, index) {
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return NoteListItem(note: notes[index]);
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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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/// 构建空状态提示
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Widget _buildEmptyState(BuildContext context) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.note_outlined,
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size: 80,
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color: Theme.of(context).colorScheme.onSurfaceVariant.withOpacity(0.3),
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),
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const SizedBox(height: 16),
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Text(
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'暂无笔记',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 8),
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ElevatedButton.icon(
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icon: const Icon(Icons.add),
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label: const Text('添加笔记'),
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onPressed: () {
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Navigator.pushNamed(context, '/note-form');
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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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/// 获取示例笔记数据
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List<Note> _getSampleNotes() {
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final now = DateTime.now();
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// 示例数据（实际应从数据库获取）
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return [
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Note(
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id: '1',
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content: '今天开始学习 Flutter 框架，感觉和 Vue 有很多相似之处，都是声明式 UI，组件化开发。Widget 的概念很有趣，一切皆 Widget。',
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tags: ['学习', 'Flutter', '编程'],
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createdAt: now.subtract(const Duration(days: 2)),
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updatedAt: now.subtract(const Duration(days: 2)),
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),
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Note(
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id: '2',
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content: '余华的《活着》真的是一部让人深思的作品。福贵的一生经历了太多的苦难，但他依然坚强地活着。生命的意义或许就在于活着本身。',
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tags: ['阅读', '感悟', '书籍'],
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createdAt: now.subtract(const Duration(days: 5)),
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updatedAt: now.subtract(const Duration(days: 5)),
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),
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Note(
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id: '3',
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content: '诺兰的电影总是充满想象力。《星际穿越》将科幻与亲情完美结合，五维空间的呈现方式令人震撼。配乐也是一绝。',
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tags: ['观影', '科幻', '电影'],
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createdAt: now.subtract(const Duration(days: 10)),
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updatedAt: now.subtract(const Duration(days: 10)),
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),
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Note(
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id: '4',
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content: 'Pandas 库的 DataFrame 操作非常强大，可以方便地进行数据清洗和分析。需要多练习熟练掌握常用操作。',
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tags: ['Python', '数据分析', '技术'],
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createdAt: now.subtract(const Duration(days: 30)),
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updatedAt: now.subtract(const Duration(days: 30)),
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),
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Note(
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id: '5',
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content: '春天来了，天气渐暖。周末去公园散步，看到花开得很好。生活中的小确幸值得记录。',
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tags: ['生活', '随笔'],
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createdAt: now.subtract(const Duration(hours: 5)),
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updatedAt: now.subtract(const Duration(hours: 5)),
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),
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];
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}
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}
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