From f7d11b6402f2f8af9bbc4062acff2420b8b0f2bd Mon Sep 17 00:00:00 2001
From: Sjef van Leeuwen <sjef.van.leeuwen@live.nl>
Date: Thu, 12 Nov 2020 13:11:32 +0100
Subject: [PATCH] Layout manager fixes #30

---
 .../MainLayout.razor                          | 10 ++++--
 src/Blazor.AdminLte/Layout/ILayoutManager.cs  | 11 ++++++
 src/Blazor.AdminLte/Layout/LayoutManager.cs   | 36 +++++++++++++++++++
 src/Blazor.AdminLte/Layout/Overlay.razor      |  4 ++-
 .../ServiceCollectionExtensions.cs            |  6 ++--
 5 files changed, 61 insertions(+), 6 deletions(-)
 create mode 100644 src/Blazor.AdminLte/Layout/ILayoutManager.cs
 create mode 100644 src/Blazor.AdminLte/Layout/LayoutManager.cs

diff --git a/src/Blazor.AdminLte.Site.Shared/MainLayout.razor b/src/Blazor.AdminLte.Site.Shared/MainLayout.razor
index 21b0980b..c484e2e4 100644
--- a/src/Blazor.AdminLte.Site.Shared/MainLayout.razor
+++ b/src/Blazor.AdminLte.Site.Shared/MainLayout.razor
@@ -1,6 +1,7 @@
 @inherits LayoutComponentBase
 @inject NavigationManager NavigationManager
 @inject IJSRuntime JS
+@inject ILayoutManager layoutManager
 @inject NavBarLeftInjectableMenu navBarLeftInjectableMenu
 <NavBar>
     <NavBarLeft>
@@ -203,9 +204,12 @@
 
     protected override void OnAfterRender(bool isFirstRender)
     {
-        JS.InvokeVoidAsync("sideBarFixed", true);
-        JS.InvokeVoidAsync("navBarFixed", true);
-        JS.InvokeVoidAsync("footerFixed", true);
+        layoutManager.IsFooterFixed = true;
+        layoutManager.IsNavBarFixed = true;
+        layoutManager.IsSideBarFixed = true;
+        //JS.InvokeVoidAsync("sideBarFixed", true);
+       // JS.InvokeVoidAsync("navBarFixed", true);
+       // JS.InvokeVoidAsync("footerFixed", true);
         base.OnAfterRender(isFirstRender);
     }
 }
\ No newline at end of file
diff --git a/src/Blazor.AdminLte/Layout/ILayoutManager.cs b/src/Blazor.AdminLte/Layout/ILayoutManager.cs
new file mode 100644
index 00000000..8c49f627
--- /dev/null
+++ b/src/Blazor.AdminLte/Layout/ILayoutManager.cs
@@ -0,0 +1,11 @@
+namespace Blazor.AdminLte
+{
+    public interface ILayoutManager
+    {
+        bool IsFooterFixed { get; set; }
+        bool IsNavBarFixed { get; set; }
+        bool IsSideBarFixed { get; set; }
+
+        void OverlayMode(bool isOverlayMode);
+    }
+}
\ No newline at end of file
diff --git a/src/Blazor.AdminLte/Layout/LayoutManager.cs b/src/Blazor.AdminLte/Layout/LayoutManager.cs
new file mode 100644
index 00000000..d0dee355
--- /dev/null
+++ b/src/Blazor.AdminLte/Layout/LayoutManager.cs
@@ -0,0 +1,36 @@
+using Microsoft.JSInterop;
+
+namespace Blazor.AdminLte
+{
+    public class LayoutManager : ILayoutManager
+    {
+        private bool _IsSideBarFixed;
+        private bool _IsNavBarFixed;
+        private bool _IsFooterFixed;
+
+        public bool IsSideBarFixed { get { return _IsSideBarFixed; } set { _IsSideBarFixed = value; js.InvokeVoidAsync("sideBarFixed", value); } }
+        public bool IsNavBarFixed { get { return _IsNavBarFixed; } set { _IsNavBarFixed = value; js.InvokeVoidAsync("navBarFixed", value); } }
+        public bool IsFooterFixed { get { return _IsFooterFixed; } set { _IsFooterFixed = value; js.InvokeVoidAsync("footerFixed", value); } }
+
+        private readonly IJSRuntime js;
+
+        public LayoutManager(IJSRuntime js)
+        {
+            this.js = js;
+        }
+
+        public void OverlayMode(bool isOverlayMode)
+        {
+            if (isOverlayMode)
+            {
+                js.InvokeVoidAsync("navBarFixed", false);
+                js.InvokeVoidAsync("footerFixed", false);
+            }
+            else
+            {
+                js.InvokeVoidAsync("navBarFixed", _IsNavBarFixed);
+                js.InvokeVoidAsync("footerFixed", _IsFooterFixed);
+            }
+        }
+    }
+}
diff --git a/src/Blazor.AdminLte/Layout/Overlay.razor b/src/Blazor.AdminLte/Layout/Overlay.razor
index f19ad554..c07e605b 100644
--- a/src/Blazor.AdminLte/Layout/Overlay.razor
+++ b/src/Blazor.AdminLte/Layout/Overlay.razor
@@ -1,6 +1,6 @@
 @implements IDisposable
 @namespace Blazor.AdminLte
-
+@inject ILayoutManager layoutManager 
 @inject IJSRuntime js
 
 @inject NavigationManager NavigationManager
@@ -32,6 +32,7 @@
     }
     void LocationChanged(object sender, LocationChangedEventArgs e)
     {
+        layoutManager.OverlayMode(false);
         js.InvokeVoidAsync("overlay", false);
     }
     void IDisposable.Dispose()
@@ -43,6 +44,7 @@
 
     protected override Task OnAfterRenderAsync(bool firstRender)
     {
+        layoutManager.OverlayMode(true);
         js.InvokeVoidAsync("overlay", true);
         return base.OnAfterRenderAsync(firstRender);
     }
diff --git a/src/Blazor.AdminLte/ServiceCollectionExtensions.cs b/src/Blazor.AdminLte/ServiceCollectionExtensions.cs
index f7a0c8e5..f2147b73 100644
--- a/src/Blazor.AdminLte/ServiceCollectionExtensions.cs
+++ b/src/Blazor.AdminLte/ServiceCollectionExtensions.cs
@@ -8,13 +8,15 @@ public static class ServiceCollectionExtensions
     {
         public static IServiceCollection AddAdminLte(this IServiceCollection services)
         {
-            return services.AddScoped<NavBarLeftInjectableMenu>().AddBlazorState((aOptions) =>
+            return services
+                .AddScoped<NavBarLeftInjectableMenu>()
+                .AddBlazorState((aOptions) =>
                  aOptions.Assemblies = new Assembly[]
                  {
                     typeof(BaseClasses).GetTypeInfo().Assembly,
                     Assembly.GetExecutingAssembly()
                  }
-            );
+            ).AddScoped<ILayoutManager, LayoutManager>();
         }
     }
 }