Fixed issue in client-side Blazor, added ModuleMessage to ModuleInstance

Oqtane.Client/Modules/Controls/ModuleMessage.razor

@@ -1,11 +1,10 @@
 @namespace Oqtane.Modules.Controls
 @inherits ModuleBase
 
-@if (Message != "")
+@if (!string.IsNullOrEmpty(message))
 {
-    <div class="@type">@Message</div>
-    <br />
-    <br />
+    <div class="@classname" role="alert">@message</div>
+    <br /><br />
 }
 
 @code {
@@ -15,24 +14,39 @@
     [Parameter]
     public MessageType Type { get; set; }
 
-    string type = "alert alert-danger";
+    string message = "";
+    string classname = "alert alert-danger";
 
-    protected override void OnInitialized()
+    protected override void OnParametersSet()
     {
-        switch (Type)
+        message = Message;
+        classname = GetMessageType(Type);
+    }
+
+    public void SetModuleMessage(string message, MessageType type)
+    {
+        this.message = message;
+        classname = GetMessageType(type);
+    }
+
+    private string GetMessageType(MessageType type)
+    {
+        string classname = "";
+        switch (type)
         {
             case MessageType.Success:
-                type = "alert alert-success";
+                classname = "alert alert-success";
                 break;
             case MessageType.Info:
-                type = "alert alert-info";
+                classname = "alert alert-info";
                 break;
             case MessageType.Warning:
-                type = "alert alert-warning";
+                classname = "alert alert-warning";
                 break;
             case MessageType.Error:
-                type = "alert alert-danger";
+                classname = "alert alert-danger";
                 break;
         }
+        return classname;
     }
 }

Oqtane.Client/Modules/HtmlText/Index.razor

@@ -6,17 +6,13 @@
 @inject HttpClient http
 @inject SiteState sitestate
 
-<ModuleMessage Message="@message" />
-
 @((MarkupString)content)
 
 <br />
 <ActionLink Action="Edit" />
-<br />
-<br />
+<br /><br />
 
 @code {
-    string message = "";
     string content;
 
     protected override async Task OnParametersSetAsync()
@@ -32,7 +28,7 @@
         }
         catch (Exception ex)
         {
-            message = ex.Message;
+            ModuleInstance.AddModuleMessage(ex.Message, MessageType.Error);
         }
     }
 }

Oqtane.Client/Modules/ModuleBase.cs

@@ -17,6 +17,9 @@ namespace Oqtane.Modules
         [CascadingParameter]
         protected Module ModuleState { get; set; }
 
+        [CascadingParameter] 
+        protected ModuleInstance ModuleInstance { get; set; }
+
         public virtual SecurityAccessLevel SecurityAccessLevel { get { return SecurityAccessLevel.View; } set { } } // default security
 
         public virtual string Title { get { return ""; } }

Oqtane.Client/Shared/ModuleInstance.razor

@@ -1,6 +1,9 @@
 @namespace Oqtane.Shared
 
-@DynamicComponent
+<CascadingValue Value="this">
+    <ModuleMessage @ref="modulemessage" />
+    @DynamicComponent
+</CascadingValue>
 
 @code {
     [CascadingParameter]
@@ -9,6 +12,8 @@
     [CascadingParameter]
     private Module ModuleState { get; set; }
 
+    private ModuleMessage modulemessage { get; set; }
+
     RenderFragment DynamicComponent { get; set; }
 
     protected override void OnParametersSet()
@@ -32,11 +37,14 @@
             }
             else
             {
-            // module does not exist with typename specified
-            builder.OpenComponent(0, Type.GetType(Constants.ModuleMessageControl));
-                builder.AddAttribute(1, "Message", "Error Loading Component For Module " + ModuleState.ModuleDefinitionName);
-                builder.CloseComponent();
+                // module does not exist with typename specified
+                modulemessage.SetModuleMessage("Error Loading Component For Module " + ModuleState.ModuleDefinitionName, MessageType.Error);
             }
         };
     }
+
+    public void AddModuleMessage(string message, MessageType type)
+    {
+        modulemessage.SetModuleMessage(message, type);
+    }
 }

Oqtane.Server/Startup.cs

@@ -33,6 +33,7 @@ namespace Oqtane.Server
     public class Startup
     {
         public IConfigurationRoot Configuration { get; }
+
         public Startup(IWebHostEnvironment env)
         {
             var builder = new ConfigurationBuilder()
@@ -329,6 +330,8 @@ namespace Oqtane.Server
             // register custom claims principal factory for role claims
             services.AddTransient<IUserClaimsPrincipalFactory<IdentityUser>, ClaimsPrincipalFactory<IdentityUser>>();
 
+            // register singleton scoped core services
+            services.AddSingleton<IConfigurationRoot>(Configuration);
             services.AddSingleton<IInstallationManager, InstallationManager>();
 
             // install any modules or themes