csf
348 lines
9.0 KiB
Dart
348 lines
9.0 KiB
Dart
import 'dart:convert';
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import 'package:flutter_hbb/pages/file_manager_page.dart';
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import 'package:path/path.dart' as p;
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import 'package:flutter/material.dart';
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import 'package:path/path.dart' as Path;
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import 'model.dart';
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enum SortBy { name, type, date, size }
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// enum FileType {
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// Dir = 0,
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// DirLink = 2,
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// DirDrive = 3,
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// File = 4,
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// FileLink = 5,
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// }
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typedef OnJobStateChange = void Function(JobState state, JobProgress jp);
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// TODO 每个fd设置操作系统属性，不同的操作系统 有不同的文件连字符 封装各类Path功能
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class FileModel extends ChangeNotifier {
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var _isLocal = false;
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var _selectMode = false;
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/// 每一个选择的文件或文件夹占用一个 _jobId，file_num是文件夹中的单独文件id
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/// 如
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/// 发送单独一个文件 file_num = 0;
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/// 发送一个文件夹，若文件夹下有3个文件 file_num = 2;
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var _jobId = 0;
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var _jobProgress = JobProgress(); // from rust update
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bool get isLocal => _isLocal;
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bool get selectMode => _selectMode;
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JobProgress get jobProgress => _jobProgress;
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JobState get jobState => _jobProgress.state;
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SortBy _sortStyle = SortBy.name;
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SortBy get sortStyle => _sortStyle;
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FileDirectory _currentLocalDir = FileDirectory();
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FileDirectory get currentLocalDir => _currentLocalDir;
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FileDirectory _currentRemoteDir = FileDirectory();
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FileDirectory get currentRemoteDir => _currentRemoteDir;
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FileDirectory get currentDir => _isLocal ? currentLocalDir : currentRemoteDir;
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toggleSelectMode() {
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_selectMode = !_selectMode;
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notifyListeners();
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}
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togglePage() {
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_isLocal = !_isLocal;
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notifyListeners();
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}
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tryUpdateJobProgress(Map<String, dynamic> evt) {
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try {
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int id = int.parse(evt['id']);
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_jobProgress.id = id;
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_jobProgress.fileNum = int.parse(evt['file_num']);
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_jobProgress.speed = double.parse(evt['speed']);
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_jobProgress.finishedSize = int.parse(evt['finished_size']);
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debugPrint("_jobProgress update:${_jobProgress.toString()}");
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notifyListeners();
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} catch (e) {
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debugPrint("Failed to tryUpdateJobProgress,evt:${evt.toString()}");
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}
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}
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jobDone(Map<String, dynamic> evt) {
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_jobProgress.state = JobState.done;
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refresh();
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notifyListeners();
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}
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jobError(Map<String, dynamic> evt) {
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// TODO
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_jobProgress.clear();
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_jobProgress.state = JobState.error;
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notifyListeners();
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}
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jobReset() {
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_jobProgress.clear();
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notifyListeners();
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}
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tryUpdateDir(String fd, bool isLocal) {
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try {
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final fileDir = FileDirectory.fromJson(jsonDecode(fd), _sortStyle);
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if (isLocal) {
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_currentLocalDir = fileDir;
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} else {
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_currentRemoteDir = fileDir;
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}
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notifyListeners();
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} catch (e) {
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debugPrint("Failed to tryUpdateDir :$fd");
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}
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}
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refresh() {
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openDirectory(_isLocal ? _currentLocalDir.path : _currentRemoteDir.path);
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}
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openDirectory(String path) {
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if (_isLocal) {
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final res = FFI.getByName("read_dir", path);
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tryUpdateDir(res, true);
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} else {
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FFI.setByName("read_remote_dir", path);
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}
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}
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goToParentDirectory() {
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final fd = _isLocal ? _currentLocalDir : _currentRemoteDir;
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openDirectory(fd.parent);
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}
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sendFiles(SelectedItems items) {
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if (items.isLocal == null) {
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debugPrint("Failed to sendFiles ,wrong path state");
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return;
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}
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_jobProgress.state = JobState.inProgress;
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final toPath =
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items.isLocal! ? currentRemoteDir.path : currentLocalDir.path;
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items.items.forEach((from) {
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_jobId++;
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final msg = {
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"id": _jobId.toString(),
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"path": from.path,
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"to": Path.join(toPath, from.name),
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"show_hidden": "false", // TODO showHidden
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"is_remote": (!(items.isLocal!)).toString() // 指from的位置而不是to的位置
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};
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FFI.setByName("send_files", jsonEncode(msg));
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});
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}
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removeAction(SelectedItems items) {
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if (items.isLocal == null) {
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debugPrint("Failed to removeFile ,wrong path state");
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return;
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}
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items.items.forEach((entry) {
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_jobId++;
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if (entry.isFile) { // TODO dir
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final msg = {
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"id": _jobId.toString(),
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"path": entry.path,
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"file_num": "0",
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"is_remote": (!(items.isLocal!)).toString()
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};
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debugPrint("remove :$msg");
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FFI.setByName("remove_file", jsonEncode(msg));
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// items.remove(entry);
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}
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});
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}
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createDir(String path){
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}
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changeSortStyle(SortBy sort) {
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_sortStyle = sort;
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_currentLocalDir.changeSortStyle(sort);
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_currentRemoteDir.changeSortStyle(sort);
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notifyListeners();
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}
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void clear() {
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_currentLocalDir.clear();
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_currentRemoteDir.clear();
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}
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}
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class FileDirectory {
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List<Entry> entries = [];
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int id = 0;
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String path = "";
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String get parent => p.dirname(path);
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FileDirectory();
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FileDirectory.fromJson(Map<String, dynamic> json, SortBy sort) {
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id = json['id'];
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path = json['path'];
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if (json['entries'] != null) {
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entries = <Entry>[];
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json['entries'].forEach((v) {
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entries.add(new Entry.fromJsonWithPath(v, path));
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});
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entries = _sortList(entries, sort);
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}
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}
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changeSortStyle(SortBy sort) {
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entries = _sortList(entries, sort);
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}
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clear() {
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entries = [];
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id = 0;
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path = "";
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}
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}
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class Entry {
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int entryType = 4;
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int modifiedTime = 0;
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String name = "";
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String path = "";
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int size = 0;
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Entry();
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Entry.fromJsonWithPath(Map<String, dynamic> json, String parent) {
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entryType = json['entry_type'];
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modifiedTime = json['modified_time'];
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name = json['name'];
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size = json['size'];
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path = Path.join(parent, name);
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}
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bool get isFile => entryType > 3;
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bool get isDirectory => entryType <= 3;
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DateTime lastModified() {
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return DateTime.fromMillisecondsSinceEpoch(modifiedTime * 1000);
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}
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}
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enum JobState { none, inProgress, done, error }
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class JobProgress {
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JobState state = JobState.none;
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var id = 0;
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var fileNum = 0;
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var speed = 0.0;
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var finishedSize = 0;
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clear() {
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state = JobState.none;
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id = 0;
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fileNum = 0;
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speed = 0;
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finishedSize = 0;
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}
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}
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class _PathStat {
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final String path;
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final DateTime dateTime;
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_PathStat(this.path, this.dateTime);
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}
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// code from file_manager pkg after edit
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List<Entry> _sortList(List<Entry> list, SortBy sortType) {
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if (sortType == SortBy.name) {
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// making list of only folders.
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final dirs = list.where((element) => element.isDirectory).toList();
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// sorting folder list by name.
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dirs.sort((a, b) => a.name.toLowerCase().compareTo(b.name.toLowerCase()));
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// making list of only flies.
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final files = list.where((element) => element.isFile).toList();
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// sorting files list by name.
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files.sort((a, b) => a.name.toLowerCase().compareTo(b.name.toLowerCase()));
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// first folders will go to list (if available) then files will go to list.
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return [...dirs, ...files];
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} else if (sortType == SortBy.date) {
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// making the list of Path & DateTime
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List<_PathStat> _pathStat = [];
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for (Entry e in list) {
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_pathStat.add(_PathStat(e.name, e.lastModified()));
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}
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// sort _pathStat according to date
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_pathStat.sort((b, a) => a.dateTime.compareTo(b.dateTime));
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// sorting [list] according to [_pathStat]
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list.sort((a, b) => _pathStat
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.indexWhere((element) => element.path == a.name)
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.compareTo(_pathStat.indexWhere((element) => element.path == b.name)));
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return list;
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} else if (sortType == SortBy.type) {
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// making list of only folders.
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final dirs = list.where((element) => element.isDirectory).toList();
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// sorting folders by name.
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dirs.sort((a, b) => a.name.toLowerCase().compareTo(b.name.toLowerCase()));
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// making the list of files
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final files = list.where((element) => element.isFile).toList();
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// sorting files list by extension.
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files.sort((a, b) => a.name
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.toLowerCase()
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.split('.')
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.last
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.compareTo(b.name.toLowerCase().split('.').last));
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return [...dirs, ...files];
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} else if (sortType == SortBy.size) {
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// create list of path and size
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Map<String, int> _sizeMap = {};
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for (Entry e in list) {
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_sizeMap[e.name] = e.size;
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}
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// making list of only folders.
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final dirs = list.where((element) => element.isDirectory).toList();
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// sorting folder list by name.
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dirs.sort((a, b) => a.name.toLowerCase().compareTo(b.name.toLowerCase()));
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// making list of only flies.
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final files = list.where((element) => element.isFile).toList();
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// creating sorted list of [_sizeMapList] by size.
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final List<MapEntry<String, int>> _sizeMapList = _sizeMap.entries.toList();
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_sizeMapList.sort((b, a) => a.value.compareTo(b.value));
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// sort [list] according to [_sizeMapList]
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files.sort((a, b) => _sizeMapList
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.indexWhere((element) => element.key == a.name)
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.compareTo(
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_sizeMapList.indexWhere((element) => element.key == b.name)));
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return [...dirs, ...files];
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}
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return [];
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}
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