Open files by drag&drop to exe

Pixed/App.axaml.cs

@@ -3,15 +3,14 @@
 using Avalonia.Data.Core.Plugins;
 using Avalonia.Markup.Xaml;
 using Microsoft.Extensions.DependencyInjection;
-using Pixed.Controls;
 using Pixed.DependencyInjection;
-using Pixed.ViewModels;
+using Pixed.Windows;
 
 namespace Pixed;
 
 public partial class App : Application
 {
     internal static IPixedServiceProvider ServiceProvider { get; private set; }
     public override void Initialize()
     {
         AvaloniaXamlLoader.Load(this);
@@ -29,7 +28,8 @@
 
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {
-            PixedWindow<MainViewModel> window = provider.Get<PixedWindow<MainViewModel>>();
+            MainWindow window = provider.Get<MainWindow>();
+            window.OpenFromArgs(desktop.Args);
             desktop.MainWindow = window;
         }
 

Pixed/DependencyInjection/DependencyInjectionRegister.cs

@@ -36,7 +36,7 @@ public static void Register(ref IServiceCollection collection)
         collection.AddSingleton<ProjectsSectionViewModel>();
         collection.AddSingleton<ToolsSectionViewModel>();
 
-        collection.AddSingleton<PixedWindow<MainViewModel>, MainWindow>();
+        collection.AddSingleton<MainWindow>();
 
         collection.AddScoped<ToolBucket>();
         collection.AddScoped<ToolCircle>();

Pixed/IO/PixedProjectMethods.cs

@@ -104,15 +104,32 @@ public async Task Open(RecentFilesService recentFilesService)
     public void Open(string path)
     {
         FileInfo info = new(path);
-        PixedProjectSerializer serializer = new();
+        IPixedProjectSerializer serializer;
         Stream stream = File.OpenRead(path);
-        PixedModel model = serializer.Deserialize(stream, _applicationData);
-        stream?.Dispose();
 
-        model.FileName = info.Name;
-        model.FilePath = path;
+        if(path.EndsWith(".pixed"))
+        {
+            serializer = new PixedProjectSerializer();
+        }
+        else if(path.EndsWith(".piskel"))
+        {
+            serializer = new PiskelProjectSerializer();
+        }
+        else
+        {
+            serializer = new PngProjectSerializer();
+        }
+
+        PixedModel model = serializer.Deserialize(stream, _applicationData);
+        stream.Dispose();
+        model.FileName = info.Name.Replace(".png", ".pixed");
         model.AddHistory();
-        model.UnsavedChanges = false;
+
+        if (info.Name.EndsWith(".pixed"))
+        {
+            model.FilePath = info.FullName;
+            model.UnsavedChanges = false;
+        }
 
         if (_applicationData.CurrentModel.IsEmpty)
         {
@@ -122,6 +139,7 @@ public void Open(string path)
         {
             _applicationData.Models.Add(model);
         }
+
         Subjects.ProjectAdded.OnNext(model);
     }
 

Pixed/Windows/MainWindow.axaml.cs

@@ -9,6 +9,7 @@
 using Pixed.Services.Keyboard;
 using Pixed.Tools;
 using Pixed.ViewModels;
+using System.IO;
 using System.Windows.Input;
 
 namespace Pixed.Windows;
@@ -51,6 +52,17 @@ public override void OnLoaded()
         Subjects.FrameChanged.OnNext(_applicationData.CurrentFrame);
     }
 
+    public void OpenFromArgs(string[] args)
+    {
+        foreach(var arg in args)
+        {
+            if(File.Exists(arg))
+            {
+                _pixedProjectMethods.Open(arg);
+            }
+        }
+    }
+
     protected override void OnInitialized()
     {
         base.OnInitialized();