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Toolkit.Foundation/Component.cs

@@ -12,7 +12,7 @@ public class Component :
         this.builder = builder;
     }
 
-    public static TComponent? Create<TComponent>(IServiceProvider provider,
+    public static TComponent? Register<TComponent>(IServiceProvider provider,
         Action<IComponentBuilder> builderDelegate)
         where TComponent : class, IComponent
     {

Toolkit.Foundation/ComponentBuilder.cs

@@ -9,16 +9,27 @@ public class ComponentBuilder :
 {
     private readonly IHostBuilder hostBuilder;
 
-    private bool configurationRegistered;
+    private ContentRootConfiguration rootConfiguration = new();
+
+    public void SetRootConfiguration(Action<ContentRootConfiguration> configurationDelegate)
+    {
+        ContentRootConfiguration rootConfiguration = new();
+        configurationDelegate.Invoke(rootConfiguration);
+
+        this.rootConfiguration = rootConfiguration;
+    }
+
+    public void SetAppConfiguration(Action<ContentRootConfiguration> rootConfigurationDelegate)
+    {
+        ContentRootConfiguration rootConfiguration = new();
+        rootConfigurationDelegate.Invoke(rootConfiguration);
+
+        this.rootConfiguration = rootConfiguration;
+    }
 
     private ComponentBuilder()
     {
         hostBuilder = new HostBuilder()
-            .UseContentRoot("Local", true)
-            .ConfigureAppConfiguration(config =>
-            {
-                config.AddJsonFile("Settings.json", true, true);
-            })
             .ConfigureServices((context, services) =>
             {
                 services.AddScoped<IComponentHost, ComponentHost>();
@@ -72,13 +83,6 @@ public class ComponentBuilder :
         where TConfiguration :
         ComponentConfiguration, new()
     {
-        if (configurationRegistered)
-        {
-            return this;
-        }
-
-        configurationRegistered = true;
-
         hostBuilder.AddConfiguration(section: section,
             defaultConfiguration: configuration);
 
@@ -100,6 +104,12 @@ public class ComponentBuilder :
 
     public IComponentHost Build()
     {
+        hostBuilder.UseContentRoot(rootConfiguration.ContentRoot, true)
+            .ConfigureAppConfiguration(config =>
+            {
+                config.AddJsonFile(rootConfiguration.JsonFileName, true, true);
+            });
+
         IHost host = hostBuilder.Build();
         return host.Services.GetRequiredService<IComponentHost>();
     }

Toolkit.Foundation/ComponentFactory.cs

@@ -8,7 +8,7 @@ public class ComponentFactory(IServiceProvider provider,
     IComponentFactory
 {
     public IComponentHost? Create<TComponent, TConfiguration>(string name,
-        TConfiguration configuration,
+        TConfiguration? configuration = null,
         Action<IServiceCollection>? servicesDelegate = null)
         where TComponent : IComponent
         where TConfiguration : ComponentConfiguration, new()
@@ -16,6 +16,7 @@ public class ComponentFactory(IServiceProvider provider,
         if (provider.GetRequiredService<TComponent>() is TComponent component)
         {
             IComponentBuilder builder = component.Create();
+
             builder.AddServices(services =>
             {
                 services.AddTransient(_ =>

Toolkit.Foundation/ContentRootConfiguration.cs

@@ -0,0 +1,8 @@
+namespace Toolkit.Foundation;
+
+public record ContentRootConfiguration
+{
+    public string ContentRoot { get; set; } = "Local";
+
+    public string JsonFileName { get; set; } = "Settings.json";
+}

Toolkit.Foundation/IComponentFactory.cs

@@ -5,7 +5,8 @@ namespace Toolkit.Foundation;
 public interface IComponentFactory
 {
     IComponentHost? Create<TComponent, TConfiguration>(string name,
-        TConfiguration configuration, Action<IServiceCollection>? servicesDelegate = null)
+        TConfiguration? configuration = null, 
+        Action<IServiceCollection>? servicesDelegate = null)
         where TComponent : IComponent
         where TConfiguration : ComponentConfiguration, new();
 }

Toolkit.UI.Controls.Avalonia/NavigationView/NavigationViewItem.cs

@@ -5,4 +5,12 @@ public class NavigationViewItem :
 {
     protected override Type StyleKeyOverride =>
         typeof(FluentAvalonia.UI.Controls.NavigationViewItem);
-}
+}
+
+
+public class NavigationViewItemSeparator :
+    FluentAvalonia.UI.Controls.NavigationViewItemSeparator
+{
+    protected override Type StyleKeyOverride =>
+        typeof(FluentAvalonia.UI.Controls.NavigationViewItemSeparator);
+}