feat: ui improvement

flutter 3.7 compatibility
responsive view
beautiful progress bar
select file in treeview
downlading and downloaded page

ui/flutter/lib/api/model/resource.dart

@@ -7,6 +7,7 @@ class Resource {
   String name;
   int size;
   bool range;
+  String rootDir;
   List<FileInfo> files;
   String hash;
 
@@ -14,6 +15,7 @@ class Resource {
       {required this.name,
       required this.size,
       required this.range,
+      required this.rootDir,
       required this.files,
       required this.hash});
 
@@ -25,17 +27,20 @@ class Resource {
 
 @JsonSerializable()
 class FileInfo {
-  String name;
+  // String rootDir;
   String path;
+  String name;
   int size;
 
   FileInfo({
-    required this.name,
+    // required this.rootDir,
     required this.path,
+    required this.name,
     required this.size,
   });
 
   factory FileInfo.fromJson(Map<String, dynamic> json) =>
       _$FileInfoFromJson(json);
+
   Map<String, dynamic> toJson() => _$FileInfoToJson(this);
 }

ui/flutter/lib/api/model/resource.g.dart

@@ -10,6 +10,7 @@ Resource _$ResourceFromJson(Map<String, dynamic> json) => Resource(
       name: json['name'] as String,
       size: json['size'] as int,
       range: json['range'] as bool,
+      rootDir: json['rootDir'] as String,
       files: (json['files'] as List<dynamic>)
           .map((e) => FileInfo.fromJson(e as Map<String, dynamic>))
           .toList(),
@@ -20,18 +21,19 @@ Map<String, dynamic> _$ResourceToJson(Resource instance) => <String, dynamic>{
       'name': instance.name,
       'size': instance.size,
       'range': instance.range,
+      'rootDir': instance.rootDir,
       'files': instance.files.map((e) => e.toJson()).toList(),
       'hash': instance.hash,
     };
 
 FileInfo _$FileInfoFromJson(Map<String, dynamic> json) => FileInfo(
-      name: json['name'] as String,
       path: json['path'] as String,
+      name: json['name'] as String,
       size: json['size'] as int,
     );
 
 Map<String, dynamic> _$FileInfoToJson(FileInfo instance) => <String, dynamic>{
-      'name': instance.name,
       'path': instance.path,
+      'name': instance.name,
       'size': instance.size,
     };