dellevin/MookNote
1
0
Fork 0
generated from dellevin/template
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

优化项目结构

Browse Source
This commit is contained in:
DelLevin-Home
2026-07-05 13:58:25 +08:00
parent 82aca12402
commit de180eee47
41 changed files with 0 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

402
lib/pages/profile/font_picker_page.dart Normal file
View File

@@ -0,0 +1,402 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:file_picker/file_picker.dart';
import 'package:path/path.dart' as path;
import 'package:permission_handler/permission_handler.dart';
import '../utils/font_download_manager.dart';
import '../utils/toast_util.dart';
import '../utils/user_prefs.dart';
/// 字体选择页面
///
/// 用户选择字体目录，遍历目录下的字体文件，点击即可加载使用。
class FontPickerPage extends StatefulWidget {
final String? initialFamily;
const FontPickerPage({super.key, this.initialFamily});
@override
State<FontPickerPage> createState() => _FontPickerPageState();
}
class _FontPickerPageState extends State<FontPickerPage> {
final FontDownloadManager _fontManager = FontDownloadManager();
List<FontFileInfo> _fonts = [];
String? _loadingPath;
String? _selectedFamily;
bool _isScanning = false;
String? _currentDirPath;
@override
void initState() {
super.initState();
_selectedFamily = widget.initialFamily;
// 恢复上次选择的目录
final savedDir = UserPrefs().lastFontDir;
if (savedDir != null && savedDir.isNotEmpty) {
_currentDirPath = savedDir;
_scanDirectory(savedDir);
}
}
/// 请求存储权限（Android 11+ 需要 MANAGE_EXTERNAL_STORAGE）
Future<bool> _requestStoragePermission() async {
if (!Platform.isAndroid) return true;
var status = await Permission.manageExternalStorage.status;
if (status.isGranted) return true;
status = await Permission.manageExternalStorage.request();
if (status.isGranted) return true;
status = await Permission.storage.status;
if (status.isGranted) return true;
status = await Permission.storage.request();
return status.isGranted;
}
/// 显示权限提示弹窗
void _showPermissionDialog() {
final colors = Theme.of(context).colorScheme;
showDialog(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: colors.surface,
elevation: 0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: Text('需要存储权限',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
content: Text(
'Android 11+ 需要在系统设置中授予"所有文件访问权限"才能扫描字体文件。\n\n是否前往设置？',
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.4))),
),
TextButton(
onPressed: () {
Navigator.pop(ctx);
openAppSettings();
},
child: Text('前往设置', style: TextStyle(color: colors.primary)),
),
],
),
);
}
/// 扫描目录字体
Future<void> _scanDirectory(String dirPath) async {
if (dirPath.isEmpty) return;
setState(() => _isScanning = true);
try {
final fonts = await _fontManager.scanFontDirectory(dirPath);
if (mounted) {
setState(() {
_fonts = fonts;
_isScanning = false;
});
if (fonts.isEmpty) {
ToastUtil.show(context, '未找到字体文件');
}
}
} catch (e) {
if (mounted) {
setState(() => _isScanning = false);
ToastUtil.show(context, '扫描失败: $e');
}
}
}
/// 扫描当前目录字体
Future<void> _rescanDirectory() async {
if (_currentDirPath == null || _currentDirPath!.isEmpty) {
ToastUtil.show(context, '请先选择字体目录');
return;
}
await _scanDirectory(_currentDirPath!);
}
/// 点击选择目录按钮
Future<void> _onSelectDirectory() async {
final hasPermission = await _requestStoragePermission();
if (!hasPermission) {
if (mounted) _showPermissionDialog();
return;
}
try {
final result = await FilePicker.platform.getDirectoryPath();
if (result != null && result.isNotEmpty) {
_currentDirPath = result;
// 保存到 SharedPreferences
await UserPrefs().setLastFontDir(result);
await _scanDirectory(result);
}
} catch (e) {
if (mounted) ToastUtil.show(context, '选择目录失败: $e');
}
}
/// 加载并应用字体
Future<void> _loadFont(FontFileInfo font) async {
if (_loadingPath != null) return; // 防止重复点击
setState(() => _loadingPath = font.path);
try {
final family = await _fontManager.loadFontFile(font.path);
if (family != null) {
setState(() => _selectedFamily = family);
if (mounted) {
ToastUtil.show(context, '已应用: ${font.displayName}');
Navigator.pop(context, family);
}
} else {
if (mounted) ToastUtil.show(context, '字体加载失败');
}
} catch (e) {
if (mounted) ToastUtil.show(context, '加载失败: $e');
} finally {
setState(() => _loadingPath = null);
}
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Scaffold(
backgroundColor: colors.surface,
appBar: AppBar(
title: const Text('选择字体'),
actions: [
// 默认字体按钮
TextButton(
onPressed: () => Navigator.pop(context, ''),
child: Text(
'恢复默认',
style: TextStyle(
fontSize: 13,
color: colors.primary,
fontWeight: FontWeight.w500,
),
),
),
],
),
body: Column(
children: [
// 选择目录按钮区
Container(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 12),
decoration: BoxDecoration(
color: colors.surface,
border: Border(
bottom: BorderSide(color: colors.outlineVariant, width: 0.5),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'字体目录',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
color: colors.onSurface.withValues(alpha: 0.5),
),
),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: InkWell(
onTap: _onSelectDirectory,
borderRadius: BorderRadius.circular(8),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
Icon(
Icons.folder_open_outlined,
size: 18,
color: colors.onSurface.withValues(alpha: 0.5),
),
const SizedBox(width: 8),
Expanded(
child: Text(
_currentDirPath ?? '点击选择字体目录',
style: TextStyle(
fontSize: 13,
color: _currentDirPath != null
? colors.onSurface
: colors.onSurface.withValues(alpha: 0.3),
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
Icon(
Icons.chevron_right,
size: 18,
color: colors.onSurface.withValues(alpha: 0.3),
),
],
),
),
),
),
const SizedBox(width: 8),
ElevatedButton(
onPressed: _rescanDirectory,
style: ElevatedButton.styleFrom(
backgroundColor: colors.primary,
foregroundColor: colors.onPrimary,
elevation: 0,
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 10,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: const Text('扫描', style: TextStyle(fontSize: 13)),
),
],
),
],
),
),
// 字体列表
Expanded(
child: _isScanning
? Center(
child: CircularProgressIndicator(
strokeWidth: 2,
color: colors.primary,
),
)
: _fonts.isEmpty
? _buildEmptyState(colors)
: ListView.separated(
padding: const EdgeInsets.symmetric(vertical: 8),
itemCount: _fonts.length,
separatorBuilder: (_, __) => Divider(
height: 0.5,
indent: 20,
endIndent: 20,
color: colors.outlineVariant,
),
itemBuilder: (_, index) => _buildFontItem(
_fonts[index],
colors,
),
),
),
],
),
);
}
Widget _buildEmptyState(ColorScheme colors) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.folder_open_outlined,
size: 48,
color: colors.onSurface.withValues(alpha: 0.15),
),
const SizedBox(height: 16),
Text(
'未找到字体文件',
style: TextStyle(
fontSize: 14,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
const SizedBox(height: 4),
Text(
'支持 .ttf / .otf / .ttc 格式',
style: TextStyle(
fontSize: 12,
color: colors.onSurface.withValues(alpha: 0.25),
),
),
],
),
);
}
Widget _buildFontItem(FontFileInfo font, ColorScheme colors) {
final isLoading = _loadingPath == font.path;
final isSelected = _selectedFamily != null &&
path.basenameWithoutExtension(font.fileName) == _selectedFamily;
return ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 20, vertical: 4),
leading: Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: isSelected
? colors.primary.withValues(alpha: 0.1)
: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(10),
border: isSelected
? Border.all(color: colors.primary.withValues(alpha: 0.3), width: 1)
: null,
),
child: isLoading
? Center(
child: SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
color: colors.primary,
),
),
)
: Icon(
Icons.font_download_outlined,
size: 18,
color: isSelected
? colors.primary
: colors.onSurface.withValues(alpha: 0.5),
),
),
title: Text(
font.displayName,
style: TextStyle(
fontSize: 14,
fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
color: colors.onSurface,
),
),
subtitle: Text(
font.fileName,
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.35),
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
trailing: isSelected
? Icon(Icons.check_circle, size: 18, color: colors.primary)
: null,
onTap: isLoading ? null : () => _loadFont(font),
);
}
}