- tweak: Dependency injection think

Nebula.Launcher/ViewModels/MainViewModel.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using Avalonia.Controls;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using CommunityToolkit.Mvvm.Input;
+using CommunityToolkit.Mvvm.Messaging;
+using Nebula.Launcher.Models;
+
+namespace Nebula.Launcher.ViewModels;
+
+
+public partial class MainViewModel : ViewModelBase
+{
+    public MainViewModel(AccountInfoViewModel accountInfoViewModel, IServiceProvider serviceProvider)
+    {
+        _currentPage = accountInfoViewModel;
+        _serviceProvider = serviceProvider;
+        Items = new ObservableCollection<ListItemTemplate>(_templates);
+
+        SelectedListItem = Items.First(vm => vm.ModelType == typeof(AccountInfoViewModel));
+    }
+
+    private readonly List<ListItemTemplate> _templates =
+    [
+        new ListItemTemplate(typeof(AccountInfoViewModel), "HomeRegular", "Account"),
+    ];
+
+    [ObservableProperty]
+    private bool _isPaneOpen;
+
+    [ObservableProperty]
+    private ViewModelBase _currentPage;
+
+    private readonly IServiceProvider _serviceProvider;
+
+    [ObservableProperty]
+    private ListItemTemplate? _selectedListItem;
+
+    partial void OnSelectedListItemChanged(ListItemTemplate? value)
+    {
+        if (value is null) return;
+
+        var vm = Design.IsDesignMode
+            ? Activator.CreateInstance(value.ModelType)
+            : _serviceProvider.GetService(value.ModelType);
+
+        if (vm is not ViewModelBase vmb) return;
+
+        CurrentPage = vmb;
+    }
+
+    public ObservableCollection<ListItemTemplate> Items { get; }
+
+    [RelayCommand]
+    private void TriggerPane()
+    {
+        IsPaneOpen = !IsPaneOpen;
+    }
+}
+