Sidebar - Added subitems support

src/Artemis.UI.Shared/Routing/Routable/RoutableScreenOfTScreen.cs

@@ -62,7 +62,15 @@ public abstract class RoutableScreen<TScreen> : ActivatableViewModelBase, IRouta
 
     void IRoutableScreen.InternalChangeScreen(object? screen)
     {
-        Screen = screen as TScreen;
+        if (screen == null)
+        {
+            Screen = null;
+            return;
+        }
+
+        if (screen is not TScreen typedScreen)
+            throw new ArtemisRoutingException($"Screen cannot be hosted, {screen.GetType().Name} is not assignable to {typeof(TScreen).Name}.");
+        Screen = typedScreen;
     }
 
     async Task IRoutableScreen.InternalOnNavigating(NavigationArguments args, CancellationToken cancellationToken)

src/Artemis.UI.Shared/Routing/Route/ParameterParsers/IntParameterParser.cs

@@ -0,0 +1,17 @@
+
+namespace Artemis.UI.Shared.Routing.ParameterParsers;
+
+internal class IntParameterParser : IRouteParameterParser
+{
+    /// <inheritdoc />
+    public bool IsMatch(RouteSegment segment, string source)
+    {
+        return int.TryParse(source, out _);
+    }
+
+    /// <inheritdoc />
+    public object GetValue(RouteSegment segment, string source)
+    {
+        return int.Parse(source);
+    }
+}

src/Artemis.UI.Shared/Routing/Route/RouteResolution.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 using DryIoc;
 
 namespace Artemis.UI.Shared.Routing;

src/Artemis.UI.Shared/Routing/Route/RouteSegment.cs

@@ -48,11 +48,14 @@ public partial class RouteSegment
 
     private IRouteParameterParser GetParameterParser(string parameterType)
     {
-        if (parameterType == "guid")
-            return new GuidParameterParser();
+        return parameterType switch
+        {
+            "guid" => new GuidParameterParser(),
+            "int" => new IntParameterParser(),
+            _ => new StringParameterParser()
+        };
 
         // Default to a string parser which just returns the segment as is
-        return new StringParameterParser();
     }
 
     [GeneratedRegex(@"\{(\w+):(\w+)\}")]