ScriptableRenderPipeline/MaterialGraphProject/Assets/NewNodes/Editor/TransformNodePresenter.cs

using System;
using System.Collections.Generic;
using UnityEditor.Experimental.UIElements.GraphView;
using UnityEngine.MaterialGraph;
using UnityEngine;

namespace UnityEditor.MaterialGraph.Drawing
{
    class TransformControlPresenter : GraphControlPresenter
    {
        public override void OnGUIHandler()
        {
            base.OnGUIHandler();

            var tNode = node as TransformNode;
            if (tNode == null)
                return;

            //EditorGUILayout.BeginHorizontal ();
            tNode.spaceFrom = (SimpleMatrixType)EditorGUILayout.EnumPopup("From", tNode.spaceFrom);
            tNode.spaceTo = (SimpleMatrixType)EditorGUILayout.EnumPopup("To", tNode.spaceTo);
            //EditorGUILayout.BeginHorizontal ();
        }

        public override float GetHeight()
        {
            return (EditorGUIUtility.singleLineHeight + 6 * EditorGUIUtility.standardVerticalSpacing) + EditorGUIUtility.standardVerticalSpacing;
        }
    }

    [Serializable]
    public class TransformNodePresenter : PropertyNodePresenter
    {
        protected override IEnumerable<GraphControlPresenter> GetControlData()
        {
            var instance = CreateInstance<TransformControlPresenter>();
            instance.Initialize(node);
            return new List<GraphControlPresenter>(base.GetControlData()) { instance };
        }
    }
}