1.12.0: Added FieldLabelFromArrayIndex

Editor/Predrawers/FieldLabelFromArrayIndexAttributeDrawer.cs

@@ -0,0 +1,36 @@
+using System.Text;
+using UnityEditor;
+using UnityEngine;
+
+namespace Module.Inspector.Editor
+{
+    [CustomPropertyDrawer(typeof(FieldLabelFromArrayIndexAttribute))]
+    internal sealed class FieldLabelFroArrayIndexAttributeDrawer : PredrawerModifierPropertyDrawer
+    {
+        public override void Modify(PredrawerModifierPropertyAttribute attribute, SerializedProperty property, GUIContent label)
+        {
+            var att = (FieldLabelFromArrayIndexAttribute)attribute;
+            var spParent = property.GetParent();
+
+            if (spParent == null || !spParent.isArray)
+                return;
+            
+            var index = spParent.IndexOfProperty(property);
+
+            if (index == -1)
+                return;
+
+            var builder = new StringBuilder();
+
+            if (!string.IsNullOrEmpty(att.prefix))
+                builder.Append(att.prefix);
+
+            builder.Append(index);
+            
+            if (!string.IsNullOrEmpty(att.postfix))
+                builder.Append(att.postfix);
+            
+            label.text = builder.ToString();
+        }
+    }
+}

Editor/Predrawers/FieldLabelFromArrayIndexAttributeDrawer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c3d86ca907fc4263af776ff820941320
+timeCreated: 1781374403

README.md

@@ -70,6 +70,8 @@ List of all available pre-drawer attributes:
     * Sets GUIContent label for `SerializedProperty` to value type from another field
 * `FieldLabelFromToString`
   * Sets GUIContent label for `SerializedProperty` to values ToString-method
+* `FieldLabelFromArrayIndex`
+  * Sets GUIContent label for `SerializedProperty` to array index with support for prefix, postfix, and array offset
 * `HideLabel`
     * Sets GUIContent label for `SerializedProperty` to empty string 
 

Runtime/Predrawers/FieldLabelFromArrayIndexAttribute.cs

@@ -0,0 +1,26 @@
+using System;
+
+namespace Module.Inspector
+{
+    [AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = true)]
+    public sealed class FieldLabelFromArrayIndexAttribute : PredrawerModifierPropertyAttribute
+    {
+        public readonly string prefix;
+        public readonly string postfix;
+        public readonly int offset;
+        
+        public FieldLabelFromArrayIndexAttribute(string prefix, int offset = 0)
+        {
+            this.prefix = prefix;
+            postfix = null;
+            this.offset = offset;
+        }
+
+        public FieldLabelFromArrayIndexAttribute(string prefix, string postfix, int offset = 0)
+        {
+            this.prefix = prefix;
+            this.postfix = postfix;
+            this.offset = offset;
+        }
+    }
+}

Runtime/Predrawers/FieldLabelFromArrayIndexAttribute.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 84143cf4320e4ead85b143498a27f8c4
+timeCreated: 1781374352

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.module.inspector",
-  "version": "1.11.3",
+  "version": "1.12.0",
   "displayName": "Module.Inspector",
   "description": "Custom inspector with various useful property drawers",
   "unity": "2019.2",