widget enhancements

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/IWidgetDefinitionProvider.cs

@@ -0,0 +1,9 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Widgets
+{
+    public interface IWidgetDefinitionProvider
+    {
+        List<WidgetDefinition> GetDefinitions();
+    }
+}

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/WidgetDefinition.cs

@@ -24,7 +24,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Widgets
         private ILocalizableString _displayName;
 
         [NotNull]
-        public Type ViewComponentType { get; set; }
+        public Type ViewComponentType { get; }
 
         [CanBeNull]
         public WidgetDimensions DefaultDimensions { get; set; }

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/WidgetOptionsExtensions.cs

@@ -0,0 +1,13 @@
+namespace Volo.Abp.AspNetCore.Mvc.UI.Widgets
+{
+    public static class WidgetOptionsExtensions
+    {
+        public static void AddWidgets<T>(this WidgetOptions options)
+            where T : IWidgetDefinitionProvider, new()
+        {
+            var provider = new T();
+            var widgets = provider.GetDefinitions();
+            options.Widgets.AddRange(widgets);
+        }
+    }
+}

samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemoWebModule.cs

@@ -84,8 +84,7 @@ namespace DashboardDemo
         {
             Configure<WidgetOptions>(options =>
             {
-                options.Widgets.Add(new WidgetDefinition("MyWidget", typeof(MyWidgetViewComponentModel),
+                options.AddWidgets<WidgetDefinitionProvider>();
-                    new LocalizableString(typeof(DashboardDemoResource), "MyWidgett")));
             });
         }
 

samples/DashboardDemo/src/DashboardDemo.Web/WidgetDefinitionProvider.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using DashboardDemo.Localization.DashboardDemo;
+using DashboardDemo.Pages.widgets;
+using Volo.Abp.AspNetCore.Mvc.UI.Widgets;
+using Volo.Abp.Localization;
+
+namespace DashboardDemo
+{
+    public class WidgetDefinitionProvider : IWidgetDefinitionProvider
+    {
+        public List<WidgetDefinition> GetDefinitions()
+        {
+            var widgets = new List<WidgetDefinition>();
+
+            var myWidget = new WidgetDefinition("MyWidget", typeof(MyWidgetViewComponentModel),
+                new LocalizableString(typeof(DashboardDemoResource), "MyWidgett"));
+
+            widgets.Add(myWidget);
+
+            return widgets;
+        }
+    }
+}