From 927b2274828b2eb9a381f2272365e9a9ad1be161 Mon Sep 17 00:00:00 2001
From: Andreas Scherren <andreas@spellfusion.com>
Date: Sat, 26 Oct 2024 18:28:06 +0200
Subject: [PATCH] Added a fix default value

---
 Editor/Elements/TriListElement.cs        | 26 ++++++++++++++++++++++++
 Runtime/Attributes/ListDrawerSettings.cs |  1 +
 2 files changed, 27 insertions(+)

diff --git a/Editor/Elements/TriListElement.cs b/Editor/Elements/TriListElement.cs
index c75fce3..a22a234 100644
--- a/Editor/Elements/TriListElement.cs
+++ b/Editor/Elements/TriListElement.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Linq;
+using System.Reflection;
 using TriInspectorUnityInternalBridge;
 using TriInspector.Utilities;
 using UnityEditor;
@@ -19,6 +20,7 @@ namespace TriInspector.Elements
         private readonly ReorderableList _reorderableListGui;
         private readonly bool _alwaysExpanded;
         private readonly bool _showElementLabels;
+        private readonly bool _fixDefaultValue;
 
         private float _lastContentWidth;
 
@@ -43,12 +45,30 @@ namespace TriInspector.Elements
                 onRemoveCallback = RemoveElementCallback,
                 onReorderCallbackWithDetails = ReorderCallback,
             };
+            _fixDefaultValue = settings?.FixDefaultValue ?? false;
 
             if (!_reorderableListGui.displayAdd && !_reorderableListGui.displayRemove)
             {
                 _reorderableListGui.footerHeight = 0f;
             }
         }
+        
+        private Type GetPropertyElementType(SerializedProperty property)
+        {
+            Type type = property.serializedObject.targetObject.GetType();
+            FieldInfo fieldInfo = type.GetField(property.propertyPath);
+
+            if (fieldInfo != null && fieldInfo.FieldType.IsArray)
+            {
+                return fieldInfo.FieldType.GetElementType(); // For arrays
+            }
+            else if (fieldInfo != null && fieldInfo.FieldType.IsGenericType)
+            {
+                return fieldInfo.FieldType.GetGenericArguments()[0]; // For lists
+            }
+
+            return null;
+        }
 
         public override bool Update()
         {
@@ -134,6 +154,12 @@ namespace TriInspector.Elements
             if (_property.TryGetSerializedProperty(out _))
             {
                 ReorderableListProxy.DoAddButton(reorderableList, addedReferenceValue);
+
+                if (_fixDefaultValue)
+                {
+                    reorderableList.serializedProperty.GetArrayElementAtIndex(reorderableList.index).boxedValue = Activator.CreateInstance(_property.ArrayElementType);
+                }
+
                 _property.NotifyValueChanged();
                 return;
             }
diff --git a/Runtime/Attributes/ListDrawerSettings.cs b/Runtime/Attributes/ListDrawerSettings.cs
index fd0f368..7117798 100644
--- a/Runtime/Attributes/ListDrawerSettings.cs
+++ b/Runtime/Attributes/ListDrawerSettings.cs
@@ -12,5 +12,6 @@ namespace TriInspector
         public bool HideRemoveButton { get; set; }
         public bool AlwaysExpanded { get; set; }
         public bool ShowElementLabels { get; set; }
+        public bool FixDefaultValue { get; set; } = false;
     }
 }
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