release 2.0.8-beta

src/Lemon.ModuleNavigation.Avaloniaui/Core/NavigationExtension.cs

@@ -213,7 +213,7 @@ private static void SetBinding(Control control,
                     {
                         return null;
                     }
-                    return navigationHandler.ModuleManager.CreateView(m) as Control;
+                    return navigationHandler.ModuleManager.GetOrCreateView(m, regionName) as Control;
                 });
             }
             else if (control is ItemsControl itemsControl)
@@ -248,7 +248,7 @@ private static void SetBinding(Control control,
                     {
                         return null;
                     }
-                    return navigationHandler.ModuleManager.CreateView(m) as Control;
+                    return navigationHandler.ModuleManager.GetOrCreateView(m, regionName) as Control;
                 });
             }
             else if (control is ContentControl contentControl)

src/Lemon.ModuleNavigation.Sample.DesktopHosting/Program.cs

@@ -36,6 +36,7 @@ public static void Main(string[] args)
         // views
         hostBuilder.Services.AddView<ViewAlpha, ViewAlphaViewModel>(nameof(ViewAlpha));
         hostBuilder.Services.AddView<ViewBeta, ViewBetaViewModel>(nameof(ViewBeta));
+        hostBuilder.Services.AddAvaDialogWindow<CustomDialogWindow>(nameof(CustomDialogWindow));
 
         hostBuilder.Services.AddAvaloniauiDesktopApplication<App>(BuildAvaloniaApp);
         hostBuilder.Services.AddMainWindow<MainWindow, MainViewModel>();

src/Lemon.ModuleNavigation.Sample.DesktopHosting/Properties/launchSettings.json

@@ -0,0 +1,11 @@
+{
+  "profiles": {
+    "Lemon.ModuleNavigation.Sample.DesktopHosting": {
+      "commandName": "Project"
+    },
+    "WSL": {
+      "commandName": "WSL2",
+      "distributionName": ""
+    }
+  }
+}

src/Lemon.ModuleNavigation.Sample/ViewModels/SampleViewModelBase.cs

@@ -5,7 +5,7 @@ namespace Lemon.ModuleNavigation.Sample.ViewModels;
 
 public class SampleViewModelBase : ReactiveObject, IDisposable
 {
-    public virtual string Greeting => $"Welcome to {GetType().Name}{Environment.NewLine}{DateTime.Now:yyyy-MM-dd HH-mm-ss.ffff}";
+    public virtual string Greeting => $"Welcome to {GetType().Name}[{Environment.ProcessId}][{Environment.CurrentManagedThreadId}]{Environment.NewLine}{DateTime.Now:yyyy-MM-dd HH-mm-ss.ffff}";
     public virtual void Dispose()
     {
 

src/Lemon.ModuleNavigation/Abstracts/IModule.cs

@@ -39,6 +39,14 @@ public Type ViewModelType
         {
             get;
         }
+        public IView? View
+        {
+            get;
+        }
+        public IModuleNavigationAware? ViewModel
+        {
+            get;
+        }
         public void Initialize();
     }
 }

src/Lemon.ModuleNavigation/Core/ModuleManager.cs

@@ -1,6 +1,5 @@
 using Lemon.ModuleNavigation.Abstracts;
 using Microsoft.Extensions.DependencyInjection;
-using System;
 using System.Collections.Concurrent;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
@@ -11,11 +10,15 @@ namespace Lemon.ModuleNavigation.Core
     public class ModuleManager : IModuleManager, INotifyPropertyChanged
     {
         private readonly ConcurrentDictionary<string, IModule> _modulesCache;
-        private readonly ConcurrentDictionary<(string, string), IView> _regionCache;
+        private readonly ConcurrentDictionary<(string RegionName, string ModuleKey), IView> _regionCache;
         private readonly IServiceProvider _serviceProvider;
-        public ModuleManager(IEnumerable<IModule> modules, IServiceProvider serviceProvider) 
+        private readonly IRegionManager _regionManager;
+        public ModuleManager(IEnumerable<IModule> modules,
+            IRegionManager regionManager,
+            IServiceProvider serviceProvider) 
         {
             _serviceProvider = serviceProvider;
+            _regionManager = regionManager;
             _regionCache = [];
             _modulesCache = new ConcurrentDictionary<string, IModule>(modules.ToDictionary(m => m.Key, m => m));
             Modules = _modulesCache.Values;
@@ -85,7 +88,6 @@ public void RequestNavigate(IModule module, NavigationParameters parameters)
                     ActiveModules.Add(module);
                 }
             }
-
             ///TODO:Consider an async implementation
             module.Initialize();
             module.IsActivated = true;
@@ -111,10 +113,30 @@ public IView GetOrCreateView(IModule module, string regionName)
             }
             else
             {
-                var view = CreateView(module);
+                IView view;
+                if (!IsRenderedOnAnyRegion(module.Key))
+                {
+                    view = module.View!;
+                }
+                else
+                {
+                    view = CreateView(module);
+                }
                 _regionCache.TryAdd((regionName, module.Key), view);
                 return view;
             }
         }
+
+        private bool IsRenderedOnAnyRegion(string moduleKey)
+        {
+            if (!_regionCache.IsEmpty)
+            {
+                foreach (var item in _regionCache)
+                {
+                    return (item.Key.ModuleKey == moduleKey);
+                }
+            }
+            return false;
+        }
     }
 }

src/Package.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <Version>2.0.7-beta</Version>
+        <Version>2.0.8-beta</Version>
         <Authors>Easley</Authors>
         <RepositoryUrl>https://github.com/NeverMorewd/Lemon.ModuleNavigation</RepositoryUrl>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>