128 lines
3.9 KiB
Dart
128 lines
3.9 KiB
Dart
/// 文件夹选择器的根路径
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:permission_handler/permission_handler.dart';
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import '../Cross.dart';
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import '../Method.dart';
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import 'Platform.dart';
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const _propertyName = "exportPath";
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late String _exportPath;
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Future<dynamic> initExportPath() async {
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_exportPath = await method.loadProperty(_propertyName, "");
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if (_exportPath.isEmpty) {
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if (Platform.isAndroid) {
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try {
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_exportPath = await method.androidDefaultExportsDir();
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} catch (e) {
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_exportPath = "/sdcard/Download/pikapika/exports";
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}
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} else if (Platform.isMacOS || Platform.isLinux) {
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_exportPath = await method.getHomeDir();
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if (Platform.isMacOS) {
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_exportPath = _exportPath + "/Downloads";
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}
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} else if (Platform.isWindows) {
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_exportPath = "exports";
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}
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}
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}
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Future<String> attachExportPath() async {
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late String path;
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if (Platform.isIOS) {
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path = await method.iosGetDocumentDir();
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} else {
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if (Platform.isAndroid) {
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late bool g;
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if (androidVersion < 30) {
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g = await Permission.storage.request().isGranted;
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}else{
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g = await Permission.manageExternalStorage.request().isGranted;
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}
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if (!g) {
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throw Exception("申请权限被拒绝");
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}
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}
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path = _exportPath;
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}
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if (Platform.isMacOS || Platform.isWindows || Platform.isLinux) {
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await method.mkdirs(path);
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} else if (Platform.isAndroid) {
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await method.androidMkdirs(path);
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}
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return path;
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}
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String showExportPath() {
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if (Platform.isIOS) {
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return "\n\n随后可在文件管理中找到导出的内容";
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}
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return "\n\n$_exportPath";
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}
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Future _setExportPath(String folder) async {
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await method.saveProperty(_propertyName, folder);
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_exportPath = folder;
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}
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Widget displayExportPathInfo() {
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return StatefulBuilder(
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builder: (BuildContext context, void Function(void Function()) setState) {
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if (Platform.isIOS) {
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return Container(
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margin: const EdgeInsets.all(15),
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padding: const EdgeInsets.all(15),
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color: (Theme.of(context).textTheme.bodyText1?.color ?? Colors.black)
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.withOpacity(.01),
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child: const Text("您正在使用iOS设备:\n导出到文件的内容请打开系统自带文件管理进行浏览"),
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);
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}
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return Column(children: [
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MaterialButton(
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onPressed: () async {
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String? choose = await chooseFolder(context);
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if (choose != null) {
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_setExportPath(choose);
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}
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setState(() {});
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},
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child: LayoutBuilder(
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builder: (BuildContext context, BoxConstraints constraints) {
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return Container(
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width: constraints.maxWidth,
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padding: const EdgeInsets.only(top: 15, bottom: 15),
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color: (Theme.of(context).textTheme.bodyText1?.color ??
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Colors.black)
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.withOpacity(.05),
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child: Text(
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"导出路径 (点击可修改):\n"
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"$_exportPath",
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textAlign: TextAlign.center,
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),
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);
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},
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),
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),
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...Platform.isAndroid
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? [
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Container(height: 15),
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Container(
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margin: const EdgeInsets.all(15),
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padding: const EdgeInsets.all(15),
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color: (Theme.of(context).textTheme.bodyText1?.color ??
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Colors.black)
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.withOpacity(.01),
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child: const Text(
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"您正在使用安卓设备:\n如果不能成功导出并且提示权限不足, 可以尝试在Download或Document下建立子目录进行导出",
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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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}
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