UIToolKit test

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/SubclassSelectorDrawer.cs

@@ -5,6 +5,8 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEditor;
 using UnityEditor.IMGUI.Controls;
+using UnityEngine.UIElements;
+using UnityEditor.UIElements;
 
 namespace MackySoft.SerializeReferenceExtensions.Editor
 {
@@ -110,6 +112,21 @@ namespace MackySoft.SerializeReferenceExtensions.Editor
 			EditorGUI.EndProperty();
 		}
 
+		public override VisualElement CreatePropertyGUI (SerializedProperty property)
+		{
+			VisualElement root = new VisualElement();
+			if (property.propertyType == SerializedPropertyType.ManagedReference)
+			{
+				TypePopupField typePopupField = new TypePopupField(property, new VisualElement());
+				root.Add(typePopupField);
+			}
+			else
+			{
+				return new Label(k_IsNotManagedReferenceLabel.text);
+			}
+			return root;
+		}
+
 		PropertyDrawer GetCustomPropertyDrawer (SerializedProperty property)
 		{
 			Type propertyType = ManagedReferenceUtility.GetType(property.managedReferenceFullTypename);

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/TypePopupField.cs

@@ -0,0 +1,59 @@
+#if UNITY_2019_3_OR_NEWER
+using UnityEditor;
+using UnityEngine.UIElements;
+
+namespace MackySoft.SerializeReferenceExtensions.Editor
+{
+	public sealed class TypePopupField : BaseField<object>
+	{
+
+		public new static readonly string ussClassName = "unity-base-popup-field";
+
+		public static readonly string textUssClassName = ussClassName + "__text";
+
+		public static readonly string arrowUssClassName = ussClassName + "__arrow";
+
+		public new static readonly string labelUssClassName = ussClassName + "__label";
+
+		public new static readonly string inputUssClassName = ussClassName + "__input";
+
+		readonly SerializedProperty m_Property;
+
+		readonly Toggle m_Toggle;
+
+		readonly VisualElement m_ArrowElement;
+		readonly Label m_TextElement;
+
+		public TypePopupField (SerializedProperty property, VisualElement visualInput) : base(property.displayName, visualInput)
+		{
+			m_Property = property;
+
+			style.flexDirection = FlexDirection.Row;
+			style.flexShrink = 0;
+			style.flexGrow	= 1;
+
+			AddToClassList(ussClassName);
+			AddToClassList("unity-base-field__aligned");
+			AddToClassList("unity-base-field__inspector-field");
+			
+			labelElement.AddToClassList(labelUssClassName);
+			labelElement.AddToClassList("unity-popup-field__label");
+			labelElement.AddToClassList("unity-property-field__label");
+
+			m_TextElement = new Label(property.displayName)
+			{
+				pickingMode = PickingMode.Ignore
+			};
+			m_TextElement.AddToClassList(textUssClassName);
+			visualInput.AddToClassList(inputUssClassName);
+			visualInput.Add(m_TextElement);
+			visualInput.pickingMode = PickingMode.Ignore;
+
+			m_ArrowElement = new VisualElement();
+			m_ArrowElement.AddToClassList(arrowUssClassName);
+			m_ArrowElement.pickingMode = PickingMode.Ignore;
+			visualInput.Add(m_ArrowElement);
+		}
+	}
+}
+#endif

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/TypePopupField.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ad665a39f1251a14ea9f40c0c9cf3a75
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: