generated from dellevin/template
567 lines
24 KiB
Dart
567 lines
24 KiB
Dart
import 'dart:io';
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_markdown_plus/flutter_markdown_plus.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path/path.dart' as p;
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import 'package:provider/provider.dart';
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import 'package:uuid/uuid.dart';
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import '../../providers/app_provider.dart';
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import '../../models/data_models.dart';
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import '../../utils/toast_util.dart';
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import '../../utils/image_path_helper.dart';
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import '../../widgets/fade_in_local_image.dart';
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import '../../widgets/tag_side_panel.dart';
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class NoteAddPage extends StatefulWidget {
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final VoidCallback? onCancel;
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const NoteAddPage({super.key, this.onCancel});
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@override
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State<NoteAddPage> createState() => _NoteAddPageState();
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}
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class _NoteAddPageState extends State<NoteAddPage> {
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final ImagePicker _picker = ImagePicker();
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late TextEditingController _titleCtrl;
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late TextEditingController _contentCtrl;
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List<String> _tags = [];
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List<String> _images = [];
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String _editMode = 'edit'; // 'edit' | 'preview'
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late String _tempId;
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@override
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void initState() {
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super.initState();
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_tempId = const Uuid().v4();
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_titleCtrl = TextEditingController();
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_contentCtrl = TextEditingController();
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}
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@override
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void dispose() {
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_titleCtrl.dispose();
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_contentCtrl.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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return Scaffold(
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backgroundColor: colors.surface,
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body: Column(
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children: [
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// 顶栏
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Container(
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height: 48,
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decoration: BoxDecoration(
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color: colors.surface,
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border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5)),
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),
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child: Row(children: [
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IconButton(
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icon: Icon(Icons.close, color: colors.onSurface, size: 18),
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onPressed: () => widget.onCancel?.call(),
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),
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Expanded(
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child: Text('添加笔记',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
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),
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// 编辑/预览切换
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Container(
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padding: const EdgeInsets.all(2),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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_editModeChip(Icons.edit_outlined, '编辑', 'edit', colors),
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_editModeChip(Icons.visibility_outlined, '预览', 'preview', colors),
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]),
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),
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const SizedBox(width: 8),
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FilledButton.icon(
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onPressed: _save,
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icon: const Icon(Icons.check, size: 16),
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label: const Text('保存'),
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style: FilledButton.styleFrom(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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),
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),
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const SizedBox(width: 12),
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]),
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),
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// 主体
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Expanded(
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child: _editMode == 'edit' ? _buildEditArea(colors) : _buildPreviewArea(colors),
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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 _editModeChip(IconData icon, String label, String mode, ColorScheme colors) {
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final active = _editMode == mode;
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return GestureDetector(
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onTap: () => setState(() => _editMode = mode),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
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decoration: BoxDecoration(
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color: active ? colors.surface : Colors.transparent,
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borderRadius: BorderRadius.circular(4),
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boxShadow: active ? [BoxShadow(color: colors.onSurface.withValues(alpha: 0.03), blurRadius: 2)] : null,
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),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Icon(icon, size: 14, color: active ? colors.onSurface : colors.onSurface.withValues(alpha: 0.4)),
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const SizedBox(width: 4),
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Text(label, style: TextStyle(fontSize: 12, fontWeight: active ? FontWeight.w500 : FontWeight.normal,
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color: active ? colors.onSurface : colors.onSurface.withValues(alpha: 0.4))),
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]),
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),
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);
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}
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Widget _buildEditArea(ColorScheme colors) {
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final isWin = Platform.isWindows;
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return Column(children: [
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// 标题输入
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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decoration: BoxDecoration(border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5))),
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child: TextField(
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controller: _titleCtrl,
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maxLines: 1,
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: colors.onSurface),
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decoration: InputDecoration(
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hintText: '添加标题',
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hintStyle: TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: colors.onSurface.withValues(alpha: 0.2)),
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border: InputBorder.none, enabledBorder: InputBorder.none, focusedBorder: InputBorder.none,
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isDense: true,
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contentPadding: EdgeInsets.zero,
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),
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onChanged: (_) => setState(() {}),
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),
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),
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// Windows: 标签栏移到标题下方（靠左）
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if (isWin)
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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decoration: BoxDecoration(border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5))),
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child: Align(
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alignment: Alignment.centerLeft,
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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for (int i = 0; i < _tags.length; i++)
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Padding(
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padding: const EdgeInsets.only(right: 4),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Text(_tags[i], style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.6))),
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const SizedBox(width: 3),
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GestureDetector(
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onTap: () => setState(() => _tags.removeAt(i)),
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child: Icon(Icons.close, size: 10, color: colors.onSurface.withValues(alpha: 0.3)),
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),
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]),
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),
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),
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GestureDetector(
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onTap: _showTagPanel,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(6),
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border: Border.all(color: colors.onSurface.withValues(alpha: 0.25), width: 1),
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),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Icon(Icons.add, size: 12, color: colors.onSurface.withValues(alpha: 0.35)),
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const SizedBox(width: 2),
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Text('标签', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.35))),
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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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// 内容编辑
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Expanded(
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child: TextField(
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controller: _contentCtrl,
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maxLines: null,
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expands: true,
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textAlignVertical: TextAlignVertical.top,
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strutStyle: const StrutStyle(forceStrutHeight: true, height: 1.6, fontSize: 14),
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style: TextStyle(fontSize: 14, color: colors.onSurface, height: 1.6),
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decoration: InputDecoration(
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hintText: '使用 Markdown 格式书写...',
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hintStyle: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.25), height: 1.6),
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border: InputBorder.none, enabledBorder: InputBorder.none, focusedBorder: InputBorder.none,
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contentPadding: const EdgeInsets.all(16),
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),
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onChanged: (_) => setState(() {}),
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),
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),
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// 图片行
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if (_images.isNotEmpty) _buildImageRow(colors),
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// 底部标签 + 工具栏（仅非 Windows）
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if (!isWin)
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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decoration: BoxDecoration(border: Border(top: BorderSide(color: colors.outlineVariant, width: 0.5))),
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child: Column(children: [
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// 标签行
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Wrap(spacing: 6, runSpacing: 4, children: [
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for (int i = 0; i < _tags.length; i++) Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Text(_tags[i], style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.6))),
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const SizedBox(width: 3),
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GestureDetector(
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onTap: () => setState(() => _tags.removeAt(i)),
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child: Icon(Icons.close, size: 10, color: colors.onSurface.withValues(alpha: 0.3)),
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),
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]),
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),
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GestureDetector(
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onTap: _showTagPanel,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(6),
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border: Border.all(color: colors.onSurface.withValues(alpha: 0.25), width: 1),
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),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Icon(Icons.add, size: 12, color: colors.onSurface.withValues(alpha: 0.35)),
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const SizedBox(width: 2),
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Text('标签', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.35))),
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]),
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),
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),
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]),
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const SizedBox(height: 6),
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// 工具栏
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Row(children: [
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Expanded(
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child: SingleChildScrollView(scrollDirection: Axis.horizontal, child: Row(children: [
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_toolBtn(Icons.title, '标题', _insertHeading),
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_toolBtn(Icons.format_bold, '粗体', () => _insertMarkdown('**', '**')),
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_toolBtn(Icons.format_italic, '斜体', () => _insertMarkdown('*', '*')),
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_toolBtn(Icons.format_strikethrough, '删除线', () => _insertMarkdown('~~', '~~')),
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_toolGap(colors),
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_toolBtn(Icons.format_list_bulleted, '无序列表', () => _insertMarkdown('- ', '')),
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_toolBtn(Icons.format_list_numbered, '有序列表', () => _insertMarkdown('1. ', '')),
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_toolBtn(Icons.format_quote, '引用', () => _insertMarkdown('> ', '')),
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_toolBtn(Icons.insert_link, '链接', () => _insertMarkdown('[', '](url)')),
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_toolGap(colors),
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_toolBtn(Icons.code, '行内代码', () => _insertMarkdown('`', '`')),
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_toolBtn(Icons.data_object, '代码块', () => _insertMarkdown('```\n', '\n```')),
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_toolBtn(Icons.horizontal_rule, '分割线', () => _insertMarkdown('---\n', '')),
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_toolGap(colors),
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_toolBtn(Icons.add_photo_alternate_outlined, '图片', _pickImage),
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])),
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),
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const SizedBox(width: 8),
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Text('${_contentCtrl.text.length} 字',
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3))),
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]),
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]),
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),
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// Windows: 底部只显示字数
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if (isWin)
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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decoration: BoxDecoration(border: Border(top: BorderSide(color: colors.outlineVariant, width: 0.5))),
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child: Row(mainAxisAlignment: MainAxisAlignment.end, children: [
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Text('${_contentCtrl.text.length} 字', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3))),
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]),
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),
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]);
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}
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Widget _buildPreviewArea(ColorScheme colors) {
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return ListView(
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padding: const EdgeInsets.all(24),
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children: [
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if (_titleCtrl.text.isNotEmpty) ...[
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Text(_titleCtrl.text,
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style: TextStyle(fontSize: 24, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.3)),
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const SizedBox(height: 16),
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],
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Markdown(
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data: _contentCtrl.text,
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styleSheet: _buildMarkdownStyleSheet(colors),
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padding: EdgeInsets.zero,
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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),
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if (_images.isNotEmpty) ...[
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const SizedBox(height: 16),
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_buildPreviewImageRow(colors),
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],
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const SizedBox(height: 48),
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],
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);
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}
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Widget _buildImageRow(ColorScheme colors) {
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return Container(
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padding: const EdgeInsets.fromLTRB(16, 6, 16, 0),
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height: 72,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: _images.length + 1,
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separatorBuilder: (_, __) => const SizedBox(width: 6),
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itemBuilder: (ctx, i) {
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if (i < _images.length) {
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return Stack(children: [
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Container(
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width: 56, height: 56,
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decoration: BoxDecoration(borderRadius: BorderRadius.circular(6), border: Border.all(color: colors.outlineVariant, width: 0.5)),
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clipBehavior: Clip.antiAlias,
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child: FadeInLocalImage(path: _images[i], fit: BoxFit.cover),
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),
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Positioned(top: -4, right: -4,
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child: GestureDetector(
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onTap: () => setState(() => _images.removeAt(i)),
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child: Container(width: 16, height: 16,
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decoration: BoxDecoration(color: colors.surface, shape: BoxShape.circle, border: Border.all(color: colors.outline)),
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child: Icon(Icons.close, size: 10, color: colors.onSurface.withValues(alpha: 0.5))),
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),
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),
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]);
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}
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return InkWell(
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onTap: _pickImage,
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child: Container(width: 56, height: 56,
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decoration: BoxDecoration(borderRadius: BorderRadius.circular(6), color: colors.surfaceContainerHighest,
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border: Border.all(color: colors.outlineVariant)),
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child: Icon(Icons.add_photo_alternate_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.3))),
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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 _buildPreviewImageRow(ColorScheme colors) {
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return SizedBox(
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height: 80,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: _images.length,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (context, index) {
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return Container(
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width: 64, height: 64,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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clipBehavior: Clip.antiAlias,
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child: FadeInLocalImage(
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path: _images[index],
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fit: BoxFit.cover,
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errorWidget: Container(
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color: colors.surfaceContainerHighest,
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child: Icon(Icons.broken_image_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.25)),
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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 _toolBtn(IconData icon, String tooltip, VoidCallback onTap) {
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final colors = Theme.of(context).colorScheme;
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return Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(6),
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child: Tooltip(
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message: tooltip,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
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child: Icon(icon, size: 16, color: colors.onSurface.withValues(alpha: 0.6)),
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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 _toolGap(ColorScheme colors) {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 3),
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child: SizedBox(height: 12, child: VerticalDivider(width: 0, thickness: 0.5, color: colors.outline)),
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);
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}
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void _insertMarkdown(String left, String right) {
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final text = _contentCtrl.text;
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final selection = _contentCtrl.selection;
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final start = selection.start;
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final end = selection.end;
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String selectedText = end > start ? text.substring(start, end) : '';
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final insertion = '$left$selectedText$right';
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_contentCtrl.value = TextEditingValue(
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text: text.substring(0, start) + insertion + text.substring(end),
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selection: TextSelection.collapsed(
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offset: selectedText.isEmpty ? start + left.length : start + left.length + selectedText.length + right.length,
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),
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);
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setState(() {});
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}
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void _insertHeading() {
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final text = _contentCtrl.text;
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final selection = _contentCtrl.selection;
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final start = selection.start;
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int lineStart = start;
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while (lineStart > 0 && text[lineStart - 1] != '\n') lineStart--;
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int hashCount = 0;
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int pos = lineStart;
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while (pos < text.length && text[pos] == '#') { hashCount++; pos++; }
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if (pos < text.length && text[pos] == ' ') pos++;
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if (hashCount > 0 && hashCount < 6) {
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hashCount++;
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final newPrefix = '${'#' * hashCount} ';
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_contentCtrl.value = TextEditingValue(
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text: text.substring(0, lineStart) + newPrefix + text.substring(pos),
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selection: TextSelection.collapsed(offset: lineStart + newPrefix.length),
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);
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} else if (hashCount >= 6) {
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_contentCtrl.value = TextEditingValue(
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text: text.substring(0, lineStart) + text.substring(pos),
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selection: TextSelection.collapsed(offset: lineStart),
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);
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} else {
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_contentCtrl.value = TextEditingValue(
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text: text.substring(0, lineStart) + '# ' + text.substring(lineStart),
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selection: TextSelection.collapsed(offset: lineStart + 2),
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);
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}
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setState(() {});
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}
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Future<void> _pickImage() async {
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try {
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final XFile? image = await _picker.pickImage(source: ImageSource.gallery, maxWidth: 1920, maxHeight: 1920, imageQuality: 85);
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if (image == null) return;
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final fileName = '${DateTime.now().millisecondsSinceEpoch}.jpg';
|
||
final targetDir = await ImagePathHelper.instance.getNoteImagesDir(_tempId);
|
||
await ImagePathHelper.instance.ensureDirExists(targetDir);
|
||
final targetPath = p.join(targetDir, fileName);
|
||
await File(image.path).copy(targetPath);
|
||
if (mounted) setState(() => _images.add(targetPath));
|
||
} catch (e) {
|
||
if (mounted) ToastUtil.show(context, '选择图片失败: $e');
|
||
}
|
||
}
|
||
|
||
Future<void> _showTagPanel() async {
|
||
final provider = context.read<AppProvider>();
|
||
final tagRows = await provider.getTags('note_tag');
|
||
final allTags = tagRows.map((t) => t['name'] as String).toSet();
|
||
for (final note in provider.notes) { allTags.addAll(note.tags); }
|
||
if (!mounted) return;
|
||
TagSidePanel.show(
|
||
context: context,
|
||
selectedTags: List.from(_tags),
|
||
allAvailableTags: allTags.toList()..sort(),
|
||
onTagsChanged: (newTags) => setState(() => _tags = newTags),
|
||
);
|
||
}
|
||
|
||
MarkdownStyleSheet _buildMarkdownStyleSheet(ColorScheme colors) {
|
||
return MarkdownStyleSheet(
|
||
h1: TextStyle(fontSize: 24, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
|
||
h2: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
|
||
h3: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
|
||
h4: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
|
||
p: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.75), height: 1.8),
|
||
code: TextStyle(fontSize: 14, color: colors.onSurface, backgroundColor: colors.surfaceContainerHighest, fontFamily: 'monospace'),
|
||
codeblockDecoration: BoxDecoration(
|
||
color: colors.surfaceContainerHigh,
|
||
border: Border.all(color: colors.outline),
|
||
borderRadius: BorderRadius.circular(6),
|
||
),
|
||
codeblockPadding: const EdgeInsets.all(12),
|
||
blockquote: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.6), fontStyle: FontStyle.italic, height: 1.8),
|
||
blockquoteDecoration: BoxDecoration(
|
||
border: Border(left: BorderSide(color: colors.onSurface.withValues(alpha: 0.4), width: 4)),
|
||
),
|
||
blockquotePadding: const EdgeInsets.only(left: 12, top: 4, bottom: 4),
|
||
listBullet: TextStyle(fontSize: 15, color: colors.onSurface),
|
||
listIndent: 24,
|
||
a: const TextStyle(fontSize: 15, color: Color(0xFF4A90D9), decoration: TextDecoration.underline),
|
||
tableHead: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface),
|
||
tableBody: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.75)),
|
||
tableBorder: TableBorder.all(color: colors.outline, width: 0.5),
|
||
tableColumnWidth: const FlexColumnWidth(),
|
||
tableCellsDecoration: BoxDecoration(color: colors.surface),
|
||
tablePadding: const EdgeInsets.all(8),
|
||
strong: TextStyle(fontWeight: FontWeight.w600, color: colors.onSurface),
|
||
em: TextStyle(fontStyle: FontStyle.italic, color: colors.onSurface.withValues(alpha: 0.75)),
|
||
del: TextStyle(decoration: TextDecoration.lineThrough, color: colors.onSurface.withValues(alpha: 0.4)),
|
||
);
|
||
}
|
||
|
||
Future<void> _save() async {
|
||
final title = _titleCtrl.text.trim();
|
||
final content = _contentCtrl.text.trim();
|
||
if (title.isEmpty && content.isEmpty) {
|
||
ToastUtil.show(context, '标题或内容不能为空');
|
||
return;
|
||
}
|
||
try {
|
||
final noteId = const Uuid().v4();
|
||
// 移动图片从临时目录到正式目录
|
||
List<String> finalImages = [];
|
||
if (_images.isNotEmpty) {
|
||
final newDir = await ImagePathHelper.instance.getNoteImagesDir(noteId);
|
||
for (final imgPath in _images) {
|
||
final normalized = imgPath.replaceAll('\\', '/');
|
||
if (normalized.contains('/notes/${_tempId}/')) {
|
||
final fileName = p.basename(imgPath);
|
||
final newPath = p.join(newDir, fileName);
|
||
await ImagePathHelper.instance.ensureDirExists(newDir);
|
||
final src = File(imgPath);
|
||
if (await src.exists()) { await src.rename(newPath); finalImages.add(newPath); }
|
||
} else {
|
||
finalImages.add(imgPath);
|
||
}
|
||
}
|
||
// 清理临时目录
|
||
try { await ImagePathHelper.instance.deleteNoteImages(_tempId); } catch (_) {}
|
||
}
|
||
final note = Note(
|
||
id: noteId,
|
||
title: title,
|
||
content: content,
|
||
tags: _tags,
|
||
images: finalImages.isNotEmpty ? finalImages : _images,
|
||
createdAt: DateTime.now(),
|
||
updatedAt: DateTime.now(),
|
||
);
|
||
await context.read<AppProvider>().addNote(note);
|
||
await context.read<AppProvider>().loadNotes();
|
||
if (!mounted) return;
|
||
context.read<AppProvider>().finishAdding();
|
||
ToastUtil.show(context, '添加成功');
|
||
} catch (e) {
|
||
if (mounted) ToastUtil.show(context, '保存失败: $e');
|
||
}
|
||
}
|
||
|
||
static List<String> _collectUnique(List<List<String>> lists) {
|
||
final s = <String>{};
|
||
for (final l in lists) { s.addAll(l); }
|
||
return s.toList()..sort();
|
||
}
|
||
}
|