MainContent - rework

src/Connected.Components/Components/Drawer/Drawer.razor.cs

@@ -176,7 +176,7 @@ public partial class Drawer : UIComponent, IDisposable, INavigationEventReceiver
 		get
 		{
 			return new StyleBuilder()
-				.AddStyle(StyleList)
+				.AddStyle(StyleList?? "")
 				.AddStyle("width", Width, !string.IsNullOrWhiteSpace(Width) && !Fixed)
 				.AddStyle("drawer-width", Width, !string.IsNullOrWhiteSpace(Width) && (!Fixed || Variant == DrawerVariant.Temporary))
 				.AddStyle("height", Height, !string.IsNullOrWhiteSpace(Height))

src/Connected.Components/Components/Main/MainContent.razor

@@ -1,20 +1,7 @@
 @namespace Connected.Components
 @using Connected.Annotations;
-@using Connected.Utilities;
 @inherits UIComponent
 
-<div @attributes="CustomAttributes" class="@Classname">
+<div @attributes="CustomAttributes" class="@CompiledClassList.Build()">
     @ChildContent
-</div>
+</div>
-
-@code {
-
-    protected string Classname =>
-    new CssBuilder("main-content")
-        .AddClass(AdditionalClassList)
-     .Build();
-
-    [Parameter]
-    [Category(CategoryTypes.MainContent.Behavior)]
-    public RenderFragment ChildContent { get; set; }
-}

src/Connected.Components/Components/Main/MainContent.razor.cs

@@ -0,0 +1,23 @@
+using Connected.Utilities;
+using Microsoft.AspNetCore.Components;
+
+namespace Connected.Components;
+public partial class MainContent
+{
+	private CssBuilder CompiledClassList
+	{
+		get
+		{
+			return new CssBuilder("main-content")
+				 .AddClass(ClassList);
+		}
+	}
+	[Parameter]
+	public RenderFragment ChildContent { get; set; }
+
+	/// <summary>
+	/// A space separated list of class names, added on top of the default class list.
+	/// </summary>
+	[Parameter]
+	public string? ClassList { get; set; }
+}