Configure data sources (#259)

app/MindWork AI Studio/Components/SelectFile.razor.cs

@@ -0,0 +1,63 @@
+using AIStudio.Settings;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Components;
+
+public partial class SelectFile : ComponentBase
+{
+    [Parameter]
+    public string File { get; set; } = string.Empty;
+    
+    [Parameter]
+    public EventCallback<string> FileChanged { get; set; }
+
+    [Parameter]
+    public bool Disabled { get; set; }
+
+    [Parameter]
+    public string Label { get; set; } = string.Empty;
+
+    [Parameter]
+    public string FileDialogTitle { get; set; } = "Select File";
+    
+    [Parameter]
+    public Func<string, string?> Validation { get; set; } = _ => null;
+    
+    [Inject]
+    private SettingsManager SettingsManager { get; init; } = null!;
+
+    [Inject]
+    public RustService RustService { get; set; } = null!;
+    
+    [Inject]
+    protected ILogger<SelectDirectory> Logger { get; init; } = null!;
+    
+    private static readonly Dictionary<string, object?> SPELLCHECK_ATTRIBUTES = new();
+    
+    #region Overrides of ComponentBase
+
+    protected override async Task OnInitializedAsync()
+    {
+        // Configure the spellchecking for the instance name input:
+        this.SettingsManager.InjectSpellchecking(SPELLCHECK_ATTRIBUTES);
+        await base.OnInitializedAsync();
+    }
+
+    #endregion
+
+    private void InternalFileChanged(string file)
+    {
+        this.File = file;
+        this.FileChanged.InvokeAsync(file);
+    }
+
+    private async Task OpenFileDialog()
+    {
+        var response = await this.RustService.SelectFile(this.FileDialogTitle, string.IsNullOrWhiteSpace(this.File) ? null : this.File);
+        this.Logger.LogInformation($"The user selected the file '{response.SelectedFilePath}'.");
+
+        if (!response.UserCancelled)
+            this.InternalFileChanged(response.SelectedFilePath);
+    }
+}