Add a way to easily add ToString converters (#88)

* Add a way to easily add ToString converters

* Allow replacing converters

Author: ManlyMarco

RuntimeUnityEditor.Core/Utils/TomlTypeConverter.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using RuntimeUnityEditor.Core.Inspector;
 using RuntimeUnityEditor.Core.Utils.Abstractions;
 using UnityEngine;
 using ColorUtility = RuntimeUnityEditor.Core.Utils.Abstractions.ColorUtility;
@@ -178,6 +179,7 @@ public static bool AddConverter(Type type, TypeConverter converter)
             }
 
             TypeConverters.Add(type, converter);
+            ToStringConverter._canCovertCache[type] = true;
             return true;
         }
 

RuntimeUnityEditor.Core/Windows/Inspector/ToStringConverter.cs

@@ -17,7 +17,11 @@ public static class ToStringConverter
 
         public static void AddConverter<TObj>(Func<TObj, string> objectToString)
         {
-            _toStringConverters.Add(typeof(TObj), o => objectToString.Invoke((TObj)o));
+            if (objectToString == null) throw new ArgumentNullException(nameof(objectToString));
+
+            var type = typeof(TObj);
+            _toStringConverters[type] = o => objectToString.Invoke((TObj)o);
+            _canCovertCache[type] = true;
         }
 
         public static string ObjectToString(object value)
@@ -108,7 +112,7 @@ internal static string EventEntryToString(UnityEventBase eventObj, int i)
             return $"{eventObj.GetPersistentTarget(i)?.GetType().GetSourceCodeRepresentation() ?? "[NULL]"}.{eventObj.GetPersistentMethodName(i)}";
         }
 
-        private static readonly Dictionary<Type, bool> _canCovertCache = new Dictionary<Type, bool>();
+        internal static readonly Dictionary<Type, bool> _canCovertCache = new Dictionary<Type, bool>();
 
         public static bool CanEditValue(ICacheEntry field, object value)
         {

RuntimeUnityEditor.Core/Windows/REPL/REPL.cs

@@ -5,6 +5,7 @@
 using System.Reflection;
 using System.Text;
 using Mono.CSharp;
+using RuntimeUnityEditor.Core.Inspector;
 using RuntimeUnityEditor.Core.Inspector.Entries;
 using RuntimeUnityEditor.Core.ObjectTree;
 using RuntimeUnityEditor.Core.Utils.Abstractions;
@@ -261,6 +262,12 @@ public static string dump(object @object)
             return Dumper.DumpToTempFile(@object, "REPL_OBJECT");
         }
 
+        [Documentation("registerToString<TObj>(Func<TObj, string>) - add a ToString converter for a Type to change how it's displayed in Inspector and some other places.")]
+        public static void registerToString<TObj>(Func<TObj, string> objectToString)
+        {
+            ToStringConverter.AddConverter(objectToString);
+        }
+
         [AttributeUsage(AttributeTargets.Method | AttributeTargets.Property)]
         private class DocumentationAttribute : Attribute
         {