generated from dellevin/template
基础功能
This commit is contained in:
DelLevin-Home
199
lib/pages/note_detail_page.dart
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199
lib/pages/note_detail_page.dart
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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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/// 笔记详情页
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class NoteDetailPage extends StatefulWidget {
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final Note note;
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const NoteDetailPage({super.key, required this.note});
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@override
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State<NoteDetailPage> createState() => _NoteDetailPageState();
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}
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class _NoteDetailPageState extends State<NoteDetailPage> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(widget.note.title),
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actions: [
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IconButton(
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icon: const Icon(Icons.edit),
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onPressed: () => _navigateToEdit(context),
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),
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IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: () => _showDeleteDialog(context),
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),
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],
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),
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body: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标签区域
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if (widget.note.tags.isNotEmpty) _buildTagsSection(context),
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// 内容区域
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_buildContentSection(context),
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// 时间信息
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_buildTimeSection(context),
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],
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),
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),
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);
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}
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/// 构建标签区域
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Widget _buildTagsSection(BuildContext context) {
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return Container(
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padding: const EdgeInsets.all(16),
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child: Wrap(
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spacing: 8,
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runSpacing: 8,
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children: widget.note.tags.map((tag) {
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return Chip(
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label: Text(tag),
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backgroundColor: Theme.of(context).colorScheme.primaryContainer,
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labelStyle: TextStyle(
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color: Theme.of(context).colorScheme.onPrimaryContainer,
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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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}
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/// 构建内容区域
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Widget _buildContentSection(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.all(16),
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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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widget.note.content,
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style: Theme.of(context).textTheme.bodyLarge?.copyWith(
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height: 1.8,
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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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/// 构建时间信息区域
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Widget _buildTimeSection(BuildContext context) {
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return Container(
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margin: const EdgeInsets.all(16),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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Icons.access_time,
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size: 18,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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const SizedBox(width: 8),
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Text(
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'创建时间',
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style: Theme.of(context).textTheme.titleSmall?.copyWith(
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fontWeight: FontWeight.bold,
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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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Text(
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_formatDateTime(widget.note.createdAt),
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style: Theme.of(context).textTheme.bodyMedium?.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: 16),
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Row(
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children: [
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Icon(
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Icons.edit,
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size: 18,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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const SizedBox(width: 8),
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Text(
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'更新时间',
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style: Theme.of(context).textTheme.titleSmall?.copyWith(
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fontWeight: FontWeight.bold,
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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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Text(
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_formatDateTime(widget.note.updatedAt),
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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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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/// 格式化日期时间
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String _formatDateTime(DateTime dateTime) {
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return '${dateTime.year}-${dateTime.month.toString().padLeft(2, '0')}-${dateTime.day.toString().padLeft(2, '0')} ${dateTime.hour.toString().padLeft(2, '0')}:${dateTime.minute.toString().padLeft(2, '0')}';
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}
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/// 跳转到编辑页面
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void _navigateToEdit(BuildContext context) {
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Navigator.pushNamed(context, '/note-form', arguments: widget.note).then((_) {
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context.read<AppProvider>().loadNotes();
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});
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}
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/// 显示删除对话框
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void _showDeleteDialog(BuildContext context) {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('确认删除'),
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content: Text('确定要删除"${widget.note.title}"吗？此操作不可恢复。'),
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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('取消'),
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),
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TextButton(
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onPressed: () async {
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await context.read<AppProvider>().removeNote(widget.note.id);
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if (!mounted) return;
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Navigator.pop(context);
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Navigator.pop(context);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('已删除'),
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behavior: SnackBarBehavior.floating,
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),
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);
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},
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child: const Text(
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'删除',
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style: TextStyle(color: Colors.red),
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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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