Refresh file on change from background

src/SharpIDE.Photino/Components/CodeViewer.razor

@@ -1,4 +1,8 @@
-<MudText>
+@using SharpIDE.Photino.Services
+
+@inject RefreshOpenFileService RefreshOpenFileService
+
+<MudText>
 	@Path.GetFileName(FilePath)
 	@if (_unsavedEdits)
 	{
@@ -10,15 +14,20 @@
 		height: calc(100vh - 100px);
 	}
 </style>
-<StandaloneCodeEditor Id="my-editor-id" ConstructionOptions="@EditorConstructionOptions" OnDidChangeModelContent="evnt => _unsavedEdits = true" OnDidBlurEditorText="@SaveFileToDisk" />
+@{
+}
+<StandaloneCodeEditor @ref="_codeEditorRef" Id="my-editor-id" ConstructionOptions="@EditorConstructionOptions" OnDidChangeModelContent="IfDirtyMarkDirty" OnDidBlurEditorText="@SaveFileToDisk" />
 
 @code {
 	[Parameter, EditorRequired]
     public string FilePath { get; set; } = null!;
 
 	private string? _fileContent;
+	private string? _unsavedFileContent;
 	private bool _unsavedEdits = false;
 
+	StandaloneCodeEditor _codeEditorRef = null!;
+
 	private StandaloneEditorConstructionOptions EditorConstructionOptions(StandaloneCodeEditor editor)
 	{
 		return new StandaloneEditorConstructionOptions
@@ -33,6 +42,20 @@
 	}
 
 	protected override async Task OnInitializedAsync()
+	{
+		await ReadFile();
+		RefreshOpenFileService.RefreshOpenFile += async () =>
+		{
+			Console.WriteLine("RefreshOpenFileService.RefreshOpenFile called");
+			await ReadFile();
+			var model = await _codeEditorRef.GetModel();
+			ArgumentNullException.ThrowIfNull(model);
+			await model.SetValue(_fileContent);
+			StateHasChanged();
+		};
+	}
+
+	private async Task ReadFile()
 	{
 		var fileInfo = new FileInfo(FilePath);
 		if (!fileInfo.Exists)
@@ -53,7 +76,20 @@
 		ArgumentNullException.ThrowIfNull(editor, nameof(editor));
 		var editorTextValue = await editor.GetValue();
 		await File.WriteAllTextAsync(FilePath, editorTextValue);
+		_fileContent = editorTextValue;
 		_unsavedEdits = false;
 	}
 
+	private async Task IfDirtyMarkDirty()
+	{
+		// Probably quite non-performant
+		if (await _codeEditorRef.GetValue() != _fileContent)
+		{
+			_unsavedEdits = true;
+		}
+		else
+		{
+			_unsavedEdits = false;
+		}
+	}
 }

src/SharpIDE.Photino/Components/SolutionExplorer.razor

@@ -58,7 +58,6 @@
 
 	private void LoadSolution(string solutionPath)
 	{
-		return;
 		var solutionFile = GetNodesInSolution.ParseSolutionFileFromPath(solutionPath);
 		ArgumentNullException.ThrowIfNull(solutionFile);
 		_solutionFile = solutionFile;

src/SharpIDE.Photino/Program.cs

@@ -1,7 +1,8 @@
-using Microsoft.Build.Locator;
+using Microsoft.Build.Locator;
 using Microsoft.Extensions.DependencyInjection;
 using MudBlazor.Services;
 using Photino.Blazor;
+using SharpIDE.Photino.Services;
 
 namespace SharpIDE.Photino;
 
@@ -12,8 +13,9 @@ public class Program
 	{
 		var appBuilder = PhotinoBlazorAppBuilder.CreateDefault(args);
 
-		appBuilder.Services.AddLogging();
+		appBuilder.Services.AddLogging();//
 		appBuilder.Services.AddMudServices();
+		appBuilder.Services.AddSingleton<RefreshOpenFileService>();
 
 		appBuilder.RootComponents.Add<App>("app");
 
@@ -27,6 +29,12 @@ public class Program
 			//.SetIconFile("favicon.ico")
 			.SetTitle("SharpIDE.Photino");
 
+		app.MainWindow.WindowFocusInHandler += (sender, _) =>
+		{
+			var refreshOpenFileService = app.Services.GetRequiredService<RefreshOpenFileService>();
+			refreshOpenFileService.InvokeRefreshOpenFile();
+		};
+
 		AppDomain.CurrentDomain.UnhandledException += (sender, error) =>
 		{
 			app.MainWindow.ShowMessage("Fatal exception", error.ExceptionObject.ToString());
@@ -38,4 +46,3 @@ public class Program
 		app.Run();
 	}
 }
-

src/SharpIDE.Photino/Services/RefreshOpenFileService.cs

@@ -0,0 +1,10 @@
+namespace SharpIDE.Photino.Services;
+
+public class RefreshOpenFileService
+{
+	public event Func<Task>? RefreshOpenFile;
+	public void InvokeRefreshOpenFile()
+	{
+		RefreshOpenFile?.Invoke();
+	}
+}