Add UI Widget to new asset creation for quick UI setup

Source/Editor/Content/Proxy/PrefabProxy.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
 
 using System;
+using System.IO;
 using FlaxEditor.Content.Thumbnails;
 using FlaxEditor.Viewport.Previews;
 using FlaxEditor.Windows;
@@ -194,4 +195,64 @@ namespace FlaxEditor.Content
             base.Dispose();
         }
     }
+
+    /// <summary>
+    /// Content proxy for quick UI Control prefab creation as widget.
+    /// </summary>
+    [ContentContextMenu("New/Widget")]
+    internal sealed class WidgetProxy : AssetProxy
+    {
+        /// <inheritdoc />
+        public override string Name => "UI Widget";
+
+        /// <inheritdoc />
+        public override bool IsProxyFor(ContentItem item)
+        {
+            return false;
+        }
+
+        /// <inheritdoc />
+        public override string FileExtension => PrefabProxy.Extension;
+
+        /// <inheritdoc />
+        public override EditorWindow Open(Editor editor, ContentItem item)
+        {
+            return null;
+        }
+
+        /// <inheritdoc />
+        public override Color AccentColor => Color.Transparent;
+
+        /// <inheritdoc />
+        public override string TypeName => PrefabProxy.AssetTypename;
+
+        /// <inheritdoc />
+        public override AssetItem ConstructItem(string path, string typeName, ref Guid id)
+        {
+            return null;
+        }
+
+        /// <inheritdoc />
+        public override bool CanCreate(ContentFolder targetLocation)
+        {
+            return targetLocation.CanHaveAssets;
+        }
+
+        /// <inheritdoc />
+        public override void Create(string outputPath, object arg)
+        {
+            // Create prefab with UI Control
+            var actor = new UIControl
+            {
+                Name = Path.GetFileNameWithoutExtension(outputPath),
+                StaticFlags = StaticFlags.None,
+            };
+            actor.Control = new Button
+            {
+                Text = "Button",
+            };
+            PrefabManager.CreatePrefab(actor, outputPath, false);
+            Object.Destroy(actor, 20.0f);
+        }
+    }
 }

Source/Editor/Modules/ContentDatabaseModule.cs

@@ -1106,6 +1106,7 @@ namespace FlaxEditor.Modules
             Proxy.Add(new VisualScriptProxy());
             Proxy.Add(new BehaviorTreeProxy());
             Proxy.Add(new LocalizedStringTableProxy());
+            Proxy.Add(new WidgetProxy());
             Proxy.Add(new FileProxy());
             Proxy.Add(new SpawnableJsonAssetProxy<PhysicalMaterial>());