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before del file_manager pub

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This commit is contained in:
csf
2022-03-09 17:07:24 +08:00
parent 88f722c8c2
commit 50d02109f8
3 changed files with 442 additions and 97 deletions
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275
lib/models/file_model.dart
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@@ -2,10 +2,13 @@ import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:file_manager/enums/sort_by.dart';
import 'package:flutter/material.dart';
import 'model.dart';
// BIG TODO remove file manager !
// enum FileType {
// Dir = 0,
@@ -17,23 +20,28 @@ import 'model.dart';
class FileDirectory {
// List<Entry> entries = [];
List<FileSystemEntity> entries = [];
List<RemoteFileSystemEntity> entries = [];
int id = 0;
String path = "";
FileDirectory();
FileDirectory.fromJson(Map<String, dynamic> json) {
FileDirectory.fromJson(Map<String, dynamic> json,SortBy sort) {
id = json['id'];
path = json['path'];
if (json['entries'] != null) {
entries = <FileSystemEntity>[];
entries = <RemoteFileSystemEntity>[];
json['entries'].forEach((v) {
entries.add(new Entry.fromJson(v).toFileSystemEntity(path));
entries.add(new Entry.fromJson(v).toRemoteFileSystemEntity(path));
});
entries = _sortRemoteEntitiesList(entries, sort);
}
}
changeSortStyle(SortBy sort){
entries = _sortRemoteEntitiesList(entries, sort);
}
// Map<String, dynamic> toJson() {
// final Map<String, dynamic> data = new Map<String, dynamic>();
// data['entries'] = this.entries.map((v) => v.toJson()).toList();
@@ -42,7 +50,7 @@ class FileDirectory {
// return data;
// }
clear(){
clear() {
entries = [];
id = 0;
path = "";
@@ -64,13 +72,8 @@ class Entry {
size = json['size'];
}
FileSystemEntity toFileSystemEntity(String parentPath){
// is dir
if(entryType<=3){
return RemoteDir("$parentPath/$name");
}else {
return RemoteFile("$parentPath/$name",modifiedTime,size);
}
RemoteFileSystemEntity toRemoteFileSystemEntity(String parentPath) {
return RemoteFileSystemEntity.from("$parentPath/$name", entryType, modifiedTime, size);
}
Map<String, dynamic> toJson() {
@@ -83,36 +86,43 @@ class Entry {
}
}
// TODO 使用工厂单例模式
class RemoteFileModel extends ChangeNotifier{
class RemoteFileModel extends ChangeNotifier {
SortBy _sortStyle = SortBy.name;
SortBy get sortStyle => _sortStyle;
FileDirectory _currentRemoteDir = FileDirectory();
FileDirectory get currentRemoteDir => _currentRemoteDir;
tryUpdateRemoteDir(String fd){
tryUpdateRemoteDir(String fd) {
debugPrint("tryUpdateRemoteDir:$fd");
try{
final fileDir = FileDirectory.fromJson(jsonDecode(fd));
try {
final fileDir = FileDirectory.fromJson(jsonDecode(fd),_sortStyle);
_currentRemoteDir = fileDir;
debugPrint("_currentRemoteDir:${_currentRemoteDir.path}");
notifyListeners();
}catch(e){
} catch (e) {
debugPrint("tryUpdateRemoteDir fail:$fd");
}
}
goToParentDirectory(){
goToParentDirectory() {
var parentPath = "";
if(_currentRemoteDir.path == ""){
if (_currentRemoteDir.path == "") {
parentPath = "";
}else{
} else {
parentPath = Directory(_currentRemoteDir.path).parent.path;
}
FFI.setByName("read_remote_dir", parentPath);
}
changeSortStyle(SortBy sort){
_currentRemoteDir.changeSortStyle(sort);
notifyListeners();
}
@override
void dispose() {
_currentRemoteDir.clear();
@@ -120,20 +130,88 @@ class RemoteFileModel extends ChangeNotifier{
}
}
// int entryType = 4;
// int modifiedTime = 0;
// String name = "";
// int size = 0;
class RemoteDir extends FileSystemEntity implements Directory{
// int entryType = 4;
// int modifiedTime = 0;
// String name = "";
// int size = 0;
class RemoteFileSystemEntity extends FileSystemEntity {
int entryType;
int modifiedTime;
String path;
int size;
RemoteDir(this.path);
RemoteFileSystemEntity(this.path,
this.entryType,
this.modifiedTime,
this.size);
// 工厂模式 自动输出两个类型
factory RemoteFileSystemEntity.from(
String path,
int entryType,
int modifiedTime,
int size
) {
if (entryType > 3) {
return RemoteFile(path,
entryType,
modifiedTime,
size);
} else {
return RemoteFile(path,
entryType,
modifiedTime,
size);
}
}
DateTime lastModifiedSync() {
return DateTime.fromMillisecondsSinceEpoch(modifiedTime * 1000);
}
int lengthSync() {
return size;
}
bool isFile(){
return entryType > 3;
}
@override
// TODO: implement absolute
FileSystemEntity get absolute => throw UnimplementedError();
@override
Future<bool> exists() {
// TODO: implement exists
throw UnimplementedError();
}
@override
bool existsSync() {
// TODO: implement existsSync
throw UnimplementedError();
}
@override
Future<FileSystemEntity> rename(String newPath) {
// TODO: implement rename
throw UnimplementedError();
}
@override
FileSystemEntity renameSync(String newPath) {
// TODO: implement renameSync
throw UnimplementedError();
}
}
class RemoteDir extends RemoteFileSystemEntity implements Directory {
RemoteDir(path, entryType, modifiedTime, size)
: super(path, entryType, modifiedTime, size);
@override
// TODO: implement absolute
Directory get absolute => throw UnimplementedError();
@@ -174,13 +252,15 @@ class RemoteDir extends FileSystemEntity implements Directory{
}
@override
Stream<FileSystemEntity> list({bool recursive = false, bool followLinks = true}) {
Stream<FileSystemEntity> list(
{bool recursive = false, bool followLinks = true}) {
// TODO: implement list
throw UnimplementedError();
}
@override
List<FileSystemEntity> listSync({bool recursive = false, bool followLinks = true}) {
List<FileSystemEntity> listSync(
{bool recursive = false, bool followLinks = true}) {
// TODO: implement listSync
throw UnimplementedError();
}
@@ -196,32 +276,12 @@ class RemoteDir extends FileSystemEntity implements Directory{
// TODO: implement renameSync
throw UnimplementedError();
}
}
class RemoteFile extends FileSystemEntity implements File {
class RemoteFile extends RemoteFileSystemEntity implements File {
// int entryType = 4;
// int modifiedTime = 0;
// String name = "";
// int size = 0;
RemoteFile(this.path,this.modifiedTime,this.size);
var path;
var modifiedTime;
var size;
@override
DateTime lastModifiedSync() {
return DateTime.fromMillisecondsSinceEpoch(modifiedTime * 1000);
}
@override
int lengthSync() {
return size;
}
RemoteFile(path, entryType, modifiedTime, size)
: super(path, entryType, modifiedTime, size);
// ***************************
@@ -379,29 +439,120 @@ class RemoteFile extends FileSystemEntity implements File {
}
@override
Future<File> writeAsBytes(List<int> bytes, {FileMode mode = FileMode.write, bool flush = false}) {
Future<File> writeAsBytes(List<int> bytes,
{FileMode mode = FileMode.write, bool flush = false}) {
// TODO: implement writeAsBytes
throw UnimplementedError();
}
@override
void writeAsBytesSync(List<int> bytes, {FileMode mode = FileMode.write, bool flush = false}) {
void writeAsBytesSync(List<int> bytes,
{FileMode mode = FileMode.write, bool flush = false}) {
// TODO: implement writeAsBytesSync
}
@override
Future<File> writeAsString(String contents, {FileMode mode = FileMode.write, Encoding encoding = utf8, bool flush = false}) {
Future<File> writeAsString(String contents,
{FileMode mode = FileMode.write,
Encoding encoding = utf8,
bool flush = false}) {
// TODO: implement writeAsString
throw UnimplementedError();
}
@override
void writeAsStringSync(String contents, {FileMode mode = FileMode.write, Encoding encoding = utf8, bool flush = false}) {
void writeAsStringSync(String contents,
{FileMode mode = FileMode.write,
Encoding encoding = utf8,
bool flush = false}) {
// TODO: implement writeAsStringSync
}
@override
// TODO: implement absolute
File get absolute => throw UnimplementedError();
}
}
class _PathStat {
final String path;
final DateTime dateTime;
_PathStat(this.path, this.dateTime);
}
// code from file_manager pkg after edit
List<RemoteFileSystemEntity> _sortRemoteEntitiesList(
List<RemoteFileSystemEntity> list, SortBy sortType) {
if (sortType == SortBy.name) {
// making list of only folders.
final dirs = list.where((element) => element is Directory).toList();
// sorting folder list by name.
dirs.sort((a, b) => a.path.toLowerCase().compareTo(b.path.toLowerCase()));
// making list of only flies.
final files = list.where((element) => element is File).toList();
// sorting files list by name.
files.sort((a, b) => a.path.toLowerCase().compareTo(b.path.toLowerCase()));
// first folders will go to list (if available) then files will go to list.
return [...dirs, ...files];
} else if (sortType == SortBy.date) {
// making the list of Path & DateTime
List<_PathStat> _pathStat = [];
for (RemoteFileSystemEntity e in list) {
_pathStat.add(_PathStat(e.path, e.lastModifiedSync()));
}
// sort _pathStat according to date
_pathStat.sort((b, a) => a.dateTime.compareTo(b.dateTime));
// sorting [list] accroding to [_pathStat]
list.sort((a, b) => _pathStat
.indexWhere((element) => element.path == a.path)
.compareTo(_pathStat.indexWhere((element) => element.path == b.path)));
return list;
} else if (sortType == SortBy.type) {
// making list of only folders.
final dirs = list.where((element) => element is Directory).toList();
// sorting folders by name.
dirs.sort((a, b) => a.path.toLowerCase().compareTo(b.path.toLowerCase()));
// making the list of files
final files = list.where((element) => element is File).toList();
// sorting files list by extension.
files.sort((a, b) => a.path
.toLowerCase()
.split('.')
.last
.compareTo(b.path.toLowerCase().split('.').last));
return [...dirs, ...files];
} else if (sortType == SortBy.size) {
// create list of path and size
Map<String, int> _sizeMap = {};
for (RemoteFileSystemEntity e in list) {
_sizeMap[e.path] = e.lengthSync();
}
// making list of only folders.
final dirs = list.where((element) => element is Directory).toList();
// sorting folder list by name.
dirs.sort((a, b) => a.path.toLowerCase().compareTo(b.path.toLowerCase()));
// making list of only flies.
final files = list.where((element) => element is File).toList();
// creating sorted list of [_sizeMapList] by size.
final List<MapEntry<String, int>> _sizeMapList = _sizeMap.entries.toList();
_sizeMapList.sort((b, a) => a.value.compareTo(b.value));
// sort [list] according to [_sizeMapList]
files.sort((a, b) => _sizeMapList
.indexWhere((element) => element.key == a.path)
.compareTo(
_sizeMapList.indexWhere((element) => element.key == b.path)));
return [...dirs, ...files];
}
return [];
}