1 files changed, 91 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Utils/UpperLeftWidgetHelper.cs b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Utils/UpperLeftWidgetHelper.cs
new file mode 100644
index 00000000..9e92fe2d
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Utils/UpperLeftWidgetHelper.cs
@@ -0,0 +1,91 @@
+using System;
+using UnityEngine;
+using UnityEditor;
+
+namespace AmplifyShaderEditor
+{
+	public class UpperLeftWidgetHelper
+	{
+		public int DrawWidget( ParentNode owner, int selectedIndex, GUIContent[] displayedOptions )
+		{
+			if( owner.DropdownEditing )
+			{
+				int newValue = owner.EditorGUIPopup( owner.DropdownRect, selectedIndex, displayedOptions, UIUtils.PropertyPopUp );
+				if( newValue != selectedIndex )
+				{
+					owner.DropdownEditing = false;
+				}
+				return newValue;
+			}
+			return selectedIndex;
+		}
+
+		public int DrawWidget( ParentNode owner, int selectedIndex, string[] displayedOptions )
+		{
+			if( owner.DropdownEditing )
+			{
+				int newValue = owner.EditorGUIPopup( owner.DropdownRect, selectedIndex, displayedOptions, UIUtils.PropertyPopUp );
+				if( newValue != selectedIndex )
+				{
+					owner.DropdownEditing = false;
+				}
+				return newValue;
+			}
+			return selectedIndex;
+		}
+
+		public int DrawWidget( ParentNode owner, int selectedIndex, string[] displayedOptions, int[] optionValues )
+		{
+			if( owner.DropdownEditing )
+			{
+				int newValue = owner.EditorGUIIntPopup( owner.DropdownRect, selectedIndex, displayedOptions, optionValues, UIUtils.PropertyPopUp );
+				if( newValue != selectedIndex )
+				{
+					owner.DropdownEditing = false;
+				}
+				return newValue;
+			}
+			return selectedIndex;
+		}
+
+		// GC free version
+		public void DrawWidget<TEnum>( ref TEnum selectedIndex, ParentNode owner, Action<ParentNode> callback ) where TEnum : struct
+		{
+			if( owner.DropdownEditing )
+			{
+				Enum asEnumType = selectedIndex as Enum;
+				if( asEnumType != null )
+				{
+					EditorGUI.BeginChangeCheck();
+					selectedIndex = ( owner.EditorGUIEnumPopup( owner.DropdownRect, asEnumType, UIUtils.PropertyPopUp ) as TEnum? ).Value;
+					if( EditorGUI.EndChangeCheck() )
+					{
+						owner.DropdownEditing = false;
+						if( callback != null )
+							callback( owner );
+					}
+				}
+			}
+		}
+
+		/* 
+		 * USE THIS OVERRIDE IN CASE THE NODE DOESN'T HAVE PREVIEW
+		 */
+		//public override void AfterCommonInit()
+		//{
+		//	base.AfterCommonInit();
+		//	if( PaddingTitleLeft == 0 )
+		//	{
+		//		PaddingTitleLeft = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
+		//		if( PaddingTitleRight == 0 )
+		//			PaddingTitleRight = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
+		//	}
+		//}
+
+
+		/* 
+		 * USE THE SOURCE CODE BELOW INTO THE NODE YOU WANT THE WIDGET TO SHOW
+		 */
+		//private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
+	}
+}