add sln picker

src/SharpIDE.Godot/Features/BottomPanel/BottomPanelManager.cs

@@ -45,6 +45,11 @@ public partial class BottomPanelManager : Panel
         GodotGlobalEvents.BottomPanelTabSelected += OnBottomPanelTabSelected;
     }
 
+    public override void _ExitTree()
+    {
+        GodotGlobalEvents.BottomPanelTabSelected -= OnBottomPanelTabSelected;
+    }
+
     private async Task OnBottomPanelTabSelected(BottomPanelType? type)
     {
         await this.InvokeAsync(() =>

src/SharpIDE.Godot/Features/SlnPicker/SlnPicker.cs

@@ -0,0 +1,26 @@
+using Godot;
+
+namespace SharpIDE.Godot.Features.SlnPicker;
+
+public partial class SlnPicker : Control
+{
+    private FileDialog _fileDialog = null!;
+
+    public override void _Ready()
+    {
+        _fileDialog = GetNode<FileDialog>("%FileDialog");
+    }
+    public async Task<string?> GetSelectedSolutionPath()
+    {
+        var tcs = new TaskCompletionSource<string?>(TaskCreationOptions.RunContinuationsAsynchronously);
+        await this.InvokeAsync(() =>
+        {
+            _fileDialog.FileSelected += path => tcs.SetResult(path);
+            _fileDialog.Canceled += () => tcs.SetResult(null);
+            _fileDialog.PopupCentered();
+        });
+        
+        var selectedPath = await tcs.Task;
+        return selectedPath;
+    }
+}

src/SharpIDE.Godot/Features/SlnPicker/SlnPicker.cs.uid

@@ -0,0 +1 @@
+uid://bjvwb6jg6jpsi

src/SharpIDE.Godot/Features/SlnPicker/SlnPicker.tscn

@@ -0,0 +1,21 @@
+[gd_scene load_steps=2 format=3 uid="uid://cwvhbsd1mdl2x"]
+
+[ext_resource type="Script" uid="uid://bjvwb6jg6jpsi" path="res://Features/SlnPicker/SlnPicker.cs" id="1_ciq0g"]
+
+[node name="SlnPicker" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_ciq0g")
+
+[node name="FileDialog" type="FileDialog" parent="."]
+unique_name_in_owner = true
+oversampling_override = 1.0
+title = "Open a File"
+file_mode = 0
+access = 2
+filters = PackedStringArray("*.sln,*.slnx;Solution Files")
+use_native_dialog = true

src/SharpIDE.Godot/IdeRoot.cs

@@ -15,6 +15,7 @@ namespace SharpIDE.Godot;
 
 public partial class IdeRoot : Control
 {
+	public IdeWindow IdeWindow { get; set; } = null!;
 	private Button _openSlnButton = null!;
 	private Button _buildSlnButton = null!;
 	private FileDialog _fileDialog = null!;
@@ -28,11 +29,9 @@ public partial class IdeRoot : Control
 	private BottomPanelManager _bottomPanelManager = null!;
 	
 	private readonly PackedScene _runMenuItemScene = ResourceLoader.Load<PackedScene>("res://Features/Run/RunMenuItem.tscn");
+	private TaskCompletionSource _nodeReadyTcs = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);
 	public override void _Ready()
 	{
-		MSBuildLocator.RegisterDefaults();
-		GodotServiceDefaults.AddServiceDefaults();
-		
 		_openSlnButton = GetNode<Button>("%OpenSlnButton");
 		_buildSlnButton = GetNode<Button>("%BuildSlnButton");
 		_runMenuPopup = GetNode<Popup>("%RunMenuPopup");
@@ -47,11 +46,12 @@ public partial class IdeRoot : Control
 		
 		_runMenuButton.Pressed += OnRunMenuButtonPressed;
 		GodotGlobalEvents.FileSelected += OnSolutionExplorerPanelOnFileSelected;
-		_fileDialog.FileSelected += OnSlnFileSelected;
+		_fileDialog.FileSelected += SetSlnFilePath;
-		_openSlnButton.Pressed += () => _fileDialog.Visible = true;
+		_openSlnButton.Pressed += IdeWindow.PickSolution;
 		_buildSlnButton.Pressed += OnBuildSlnButtonPressed;
 		GodotGlobalEvents.BottomPanelVisibilityChangeRequested += async show => await this.InvokeAsync(() => _invertedVSplitContainer.InvertedSetCollapsed(!show));
-		OnSlnFileSelected(@"C:\Users\Matthew\Documents\Git\BlazorCodeBreaker\BlazorCodeBreaker.slnx");
+		_nodeReadyTcs.SetResult();
+		//OnSlnFileSelected(@"C:\Users\Matthew\Documents\Git\BlazorCodeBreaker\BlazorCodeBreaker.slnx");
 	}
 
 	private void OnRunMenuButtonPressed()
@@ -73,18 +73,23 @@ public partial class IdeRoot : Control
 		await _codeEditorPanel.SetSharpIdeFile(file, fileLinePosition);
 	}
 
-	private void OnSlnFileSelected(string path)
+	public void SetSlnFilePath(string path)
 	{
 		_ = Task.GodotRun(async () =>
 		{
 			GD.Print($"Selected: {path}");
 			var solutionModel = await VsPersistenceMapper.GetSolutionModel(path);
+			await _nodeReadyTcs.Task;
 			_solutionExplorerPanel.SolutionModel = solutionModel;
 			_codeEditorPanel.Solution = solutionModel;
 			_bottomPanelManager.Solution = solutionModel;
 			_searchWindow.Solution = solutionModel;
 			Callable.From(_solutionExplorerPanel.RepopulateTree).CallDeferred();
 			RoslynAnalysis.StartSolutionAnalysis(solutionModel);
+			
+			var infraProject = solutionModel.AllProjects.SingleOrDefault(s => s.Name == "WebUi");
+			var diFile = infraProject?.Folders.Single(s => s.Name == "Pages").Files.Single(s => s.Name == "TestPage.razor");
+			if (diFile != null) await this.InvokeDeferredAsync(() => GodotGlobalEvents.InvokeFileExternallySelected(diFile));
 				
 			var tasks = solutionModel.AllProjects.Select(p => p.MsBuildEvaluationProjectTask).ToList();
 			await Task.WhenAll(tasks).ConfigureAwait(false);
@@ -100,13 +105,6 @@ public partial class IdeRoot : Control
 				}
 				_runMenuButton.Disabled = false;
 			});
-				
-			var infraProject = solutionModel.AllProjects.Single(s => s.Name == "WebUi");
-			var diFile = infraProject.Folders.Single(s => s.Name == "Pages").Files.Single(s => s.Name == "TestPage.razor");
-			await this.InvokeDeferredAsync(() => GodotGlobalEvents.InvokeFileExternallySelected(diFile));
-				
-			//var runnableProject = solutionModel.AllProjects.First(s => s.IsRunnable);
-			//await this.InvokeAsync(() => _runPanel.NewRunStarted(runnableProject));
 		});
 	}
 	

src/SharpIDE.Godot/IdeWindow.cs

@@ -0,0 +1,63 @@
+using Ardalis.GuardClauses;
+using Godot;
+using Microsoft.Build.Locator;
+using Microsoft.Extensions.Hosting;
+using SharpIDE.Godot.Features.SlnPicker;
+
+namespace SharpIDE.Godot;
+
+/// <summary>
+/// Used to hold either the main IDE scene or the solution picker scene
+/// </summary>
+public partial class IdeWindow : Control
+{
+    private readonly PackedScene _solutionPickerScene = ResourceLoader.Load<PackedScene>("res://Features/SlnPicker/SlnPicker.tscn");
+    private readonly PackedScene _ideRootScene = ResourceLoader.Load<PackedScene>("res://IdeRoot.tscn");
+
+    private IdeRoot? _ideRoot;
+    private SlnPicker? _slnPicker;
+
+    public override void _Ready()
+    {
+        MSBuildLocator.RegisterDefaults();
+        GodotServiceDefaults.AddServiceDefaults();
+        
+        PickSolution();
+    }
+
+    public void PickSolution()
+    {
+        if (_slnPicker is not null) throw new InvalidOperationException("Solution picker is already active");
+        _slnPicker = _solutionPickerScene.Instantiate<SlnPicker>();
+        AddChild(_slnPicker);
+        _ = Task.GodotRun(async () =>
+        {
+            var slnPathTask = _slnPicker.GetSelectedSolutionPath();
+            var ideRoot = _ideRootScene.Instantiate<IdeRoot>();
+            ideRoot.IdeWindow = this;
+            var slnPath = await slnPathTask;
+            if (slnPath is null)
+            {
+                ideRoot.QueueFree();
+                _slnPicker.QueueFree();
+                _slnPicker = null;
+                return;
+            }
+            ideRoot.SetSlnFilePath(slnPath);
+            
+            await this.InvokeAsync(() =>
+            {
+                RemoveChild(_slnPicker);
+                _slnPicker.QueueFree();
+                _slnPicker = null;
+                if (_ideRoot is not null)
+                {
+                    RemoveChild(_ideRoot);
+                    _ideRoot.QueueFree();
+                }
+                _ideRoot = ideRoot;
+                AddChild(ideRoot);
+            });
+        });
+    }
+}

src/SharpIDE.Godot/IdeWindow.cs.uid

@@ -0,0 +1 @@
+uid://bul4kkrg1yhqx

src/SharpIDE.Godot/IdeWindow.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=2 format=3 uid="uid://b70jhun5a4las"]
+
+[ext_resource type="Script" uid="uid://bul4kkrg1yhqx" path="res://IdeWindow.cs" id="1_3do1e"]
+
+[node name="IdeWindow" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_3do1e")

src/SharpIDE.Godot/NodeExtensions.cs

@@ -36,6 +36,13 @@ public static class NodeExtensions
 {
     extension(Node node)
     {
+        public void ClearChildren()
+        {
+            foreach (var child in node.GetChildren())
+            {
+                child.QueueFree();
+            }
+        }
         public Task<T> InvokeAsync<T>(Func<T> workItem)
         {
             var taskCompletionSource = new TaskCompletionSource<T>(TaskCreationOptions.RunContinuationsAsynchronously);

src/SharpIDE.Godot/project.godot

@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="SharpIDE.Godot"
-run/main_scene="uid://b2oniigcp5ew5"
+run/main_scene="uid://b70jhun5a4las"
 config/features=PackedStringArray("4.5", "C#", "Forward Plus")
 run/max_fps=157
 run/low_processor_mode=true