Get sheet listing working

lib/main.dart

@@ -1,4 +1,7 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
+import 'package:path/path.dart' as p;
 
 void main() {
   runApp(const MyApp());
@@ -7,24 +10,15 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
+      title: 'Sheetless',
       theme: ThemeData(
-        // This is the theme of your application.
+        useMaterial3: true,
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
         primarySwatch: Colors.blue,
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const MyHomePage(title: 'Sheetless'),
     );
   }
 }
@@ -32,84 +26,92 @@ class MyApp extends StatelessWidget {
 class MyHomePage extends StatefulWidget {
   const MyHomePage({super.key, required this.title});
 
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
   final String title;
 
   @override
   State<MyHomePage> createState() => _MyHomePageState();
 }
 
-class _MyHomePageState extends State<MyHomePage> {
+class Sheet {
-  int _counter = 0;
+  final String author;
+  final String name;
 
-  void _incrementCounter() {
+  Sheet(this.author, this.name);
-    setState(() {
+}
-      // This call to setState tells the Flutter framework that something has
+
-      // changed in this State, which causes it to rerun the build method below
+class _MyHomePageState extends State<MyHomePage> {
-      // so that the display can reflect the updated values. If we changed
+  Future<List<Sheet>> loadSheets() async {
-      // _counter without calling setState(), then the build method would not be
+    print("LOADING SHEETS!!! ###############################");
-      // called again, and so nothing would appear to happen.
+    // TODO: Handle directory not found
-      _counter++;
+    var dir = Directory("/home/julian/Nextcloud/jhome/Klavier-Noten/");
-    });
+    final List<Sheet> sheets = List.empty(growable: true);
+    if (dir.existsSync()) {
+      await for (final FileSystemEntity x in dir.list()) {
+        if (x is Directory) {
+          var y = x;
+          var authorName = p.basename(y.path);
+          await for (final FileSystemEntity a in y.list()) {
+            if (a is File) {
+              var sheetName = p.basenameWithoutExtension(a.path);
+              sheets.add(Sheet(authorName, sheetName));
+            }
+          }
+        }
+      }
+    }
+    return sheets;
   }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return Scaffold(
       appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
         title: Text(widget.title),
       ),
-      body: Center(
+      // body: Center(
-        // Center is a layout widget. It takes a single child and positions it
+      //   child: Column(
-        // in the middle of the parent.
+      //     mainAxisAlignment: MainAxisAlignment.center,
-        child: Column(
+      //     children: <Widget>[
-          // Column is also a layout widget. It takes a list of children and
+      body: FutureBuilder(
-          // arranges them vertically. By default, it sizes itself to fit its
+          future: loadSheets(),
-          // children horizontally, and tries to be as tall as its parent.
+          builder: (BuildContext context, AsyncSnapshot<List<Sheet>> snapshot) {
-          //
+            if (snapshot.hasData) {
-          // Invoke "debug painting" (press "p" in the console, choose the
+              return SheetsWidget(sheets: snapshot.data!);
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
+            } else if (snapshot.hasError) {
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
+              return const Icon(Icons.error);
-          // to see the wireframe for each widget.
+            } else {
-          //
+              return const CircularProgressIndicator();
-          // Column has various properties to control how it sizes itself and
+            }
-          // how it positions its children. Here we use mainAxisAlignment to
+          }),
-          // center the children vertically; the main axis here is the vertical
+      //     const Text(
-          // axis because Columns are vertical (the cross axis would be
+      //       'You have pushed the button this many times:',
-          // horizontal).
+      //     ),
-          mainAxisAlignment: MainAxisAlignment.center,
+      //     Text(
-          children: <Widget>[
+      //       '$_counter',
-            const Text(
+      //       style: Theme.of(context).textTheme.headlineMedium,
-              'You have pushed the button this many times:',
+      //     ),
-            ),
+      //   ],
-            Text(
+      // ),
-              '$_counter',
+      // ),
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }
+
+class SheetsWidget extends StatelessWidget {
+  final List<Sheet> sheets;
+
+  const SheetsWidget({super.key, required this.sheets});
+
+  @override
+  Widget build(context) {
+    return ListView.builder(
+        itemCount: sheets.length,
+        itemBuilder: (context, index) {
+          var sheet = sheets[index];
+          return ListTile(
+            title: Text(sheet.name),
+            subtitle: Text(sheet.author),
+          );
+        });
+  }
+}

pubspec.lock

@@ -116,7 +116,7 @@ packages:
     source: hosted
     version: "1.8.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b

pubspec.yaml

@@ -36,6 +36,8 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
 
+  path: ^1.8.2
+
 dev_dependencies:
   flutter_test:
     sdk: flutter