formatBytes

Author: 4-alok

README.md

@@ -1,6 +1,6 @@
 # File Manager
 
-File manager is a wonderful widget that allows you to manage files and folders, pick files and folders, and do a lot more.
+FileManager is a wonderful widget that allows you to manage files and folders, pick files and folders, and do a lot more.
 Designed to feel like part of the Flutter framework.
 
 
@@ -80,6 +80,20 @@ FileManager(
 | `goToParentDirectory` | `goToParentDirectory` returns `bool`, goes to the parent directory of currently opened directory if the parent is accessible,  return true if current directory is the root. false, if the current directory not on root of the stogare.. |
 | `openDirectory` | Open directory by providing `Directory`. |
 
+## Otheres
+|  Properties  |   Description   |
+|--------------|-----------------|
+| `isFile` | check weather FileSystemEntity is File. |
+| `isDirectory` | check weather FileSystemEntity is Directory. |
+| `basename` | Get the basename of Directory or File. Provide `File`, `Directory` or `FileSystemEntity` and returns the name as a `String`. ie
+```dart
+ controller.dirName(dir);
+```
+|
+| `formatBytes` | Convert bytes to human readable size.[getCurrentDirectory]. |
+| `setCurrentPath` | Set current directory path by providing `String` of path, similar to [openDirectory]. `List<FileSystemEntity>.` |
+| `getStorageList` | Get list of available storage in the device, returns an empty list if there is no storage `List<Directory>`|
+
 ## Show some :heart: and :star: the repo
 
 [![GitHub followers](https://img.shields.io/github/followers/4-alok?style=social)](https://github.com/4-alok/)

example/lib/main.dart

@@ -118,8 +118,9 @@ class HomePage extends StatelessWidget {
         if (snapshot.hasData) {
           if (entity is File) {
             int size = snapshot.data!.size;
+
             return Text(
-              "$size",
+              "${formatBytes(size)}",
             );
           }
           return Text(

lib/controller/file_manager_controller.dart

@@ -32,7 +32,7 @@ class FileManagerController extends ChangeNotifier {
   /// [goToParentDirectory] returns [bool], goes to the parent directory of currently opened directory if the parent is accessible,
   /// return true if current directory is the root. false, if the current directory not on root of the stogare.
   Future<bool> goToParentDirectory() async {
-    List<Directory> storageList = (await getStorageList())!;
+    List<Directory> storageList = (await getStorageList());
     final bool willNotGoToParent = (storageList
         .where((element) => element.path == Directory(_path).path)
         .isNotEmpty);

lib/file_manager.dart

@@ -131,6 +131,18 @@ String basename(dynamic entity, [bool showFileExtension = true]) {
   }
 }
 
+/// Convert bytes to human readable size
+String formatBytes(int bytes, [precision = 2]) {
+  if (bytes != 0) {
+    final double base = math.log(bytes) / math.log(1024);
+    final suffix = const ['B', 'KB', 'MB', 'GB', 'TB'][base.floor()];
+    final size = math.pow(1024, base - base.floor());
+    return '${size.toStringAsFixed(2)} $suffix';
+  } else {
+    return "0B";
+  }
+}
+
 /// Get list of available storage in the device
 /// returns an empty list if there is no storage
 Future<List<Directory>> getStorageList() async {
@@ -156,6 +168,39 @@ Future<List<Directory>> getStorageList() async {
   return [];
 }
 
+/// FileManager is a wonderful widget that allows you to manage files and folders, pick files and folders, and do a lot more.
+/// Designed to feel like part of the Flutter framework.
+///
+/// Sample code
+///```dart
+///FileManager(
+///    controller: controller,
+///    builder: (context, snapshot) {
+///    final List<FileSystemEntity> entitis = snapshot;
+///      return ListView.builder(
+///        itemCount: entitis.length,
+///        itemBuilder: (context, index) {
+///          return Card(
+///            child: ListTile(
+///              leading: isFile(entitis[index])
+///                  ? Icon(Icons.feed_outlined)
+///                  : Icon(Icons.folder),
+///              title: Text(basename(entitis[index])),
+///              onTap: () {
+///                if (isDirectory(entitis[index])) {
+///                    controller
+///                     .openDirectory(entitis[index]);
+///                  } else {
+///                      // Perform file-related tasks.
+///                  }
+///              },
+///            ),
+///          );
+///        },
+///      );
+///  },
+///),
+///```
 class FileManager extends StatefulWidget {
   /// For the loading screen, create a custom widget.
   /// Simple Centered CircularProgressIndicator is provided by default.