Call methods on components without a CustomEditor #80

Runtime/UIToolkit/InspectorButtonAttribute.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace StansAssets.Foundation
+{
+    public enum InspectorButtonMode
+    {
+        AllModes,
+        OnlyPlayMode,
+        OnlyEditorMode,
+    }
+
+    public class InspectorButtonAttribute : PropertyAttribute
+    {
+        public string MethodName { get; }
+        public InspectorButtonMode Mode { get; }
+
+        public InspectorButtonAttribute(string methodName, InspectorButtonMode mode = InspectorButtonMode.AllModes)
+        {
+            Mode = mode;
+            MethodName = methodName;
+        }
+    }
+}

Runtime/UIToolkit/InspectorButtonDrawer.cs

@@ -0,0 +1,57 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Reflection;
+using UnityEditor;
+using UnityEngine;
+
+namespace StansAssets.Foundation
+{
+    [CustomPropertyDrawer(typeof(InspectorButtonAttribute))]
+    public class InspectorButtonDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
+            var buttonAttribute = attribute as InspectorButtonAttribute;
+            if (buttonAttribute == null)
+            {
+                return;
+            }
+
+            string methodName = buttonAttribute.MethodName;
+            UnityEngine.Object target = property.serializedObject.targetObject;
+            System.Type type = target.GetType();
+            System.Reflection.MethodInfo method = type.GetMethod(methodName,
+                BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);
+
+            if (method == null)
+            {
+                GUI.Label(position, $"Method {methodName} could not be found");
+                return;
+            }
+
+            if (method.GetParameters().Length > 0)
+            {
+                GUI.Label(position, "Method cannot have parameters.");
+                return;
+            }
+
+            switch (buttonAttribute.Mode)
+            {
+                case InspectorButtonMode.OnlyEditorMode:
+                    GUI.enabled = Application.isPlaying == false;
+                    break;
+
+                case InspectorButtonMode.OnlyPlayMode:
+                    GUI.enabled = Application.isPlaying;
+                    break;
+            }
+
+            if (GUI.Button(position, method.Name))
+            {
+                method.Invoke(target, null);
+            }
+
+            GUI.enabled = true;
+        }
+    }
+}

package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.stansassets.foundation",
   "displayName": "Stans Assets - Foundation",
-  "version": "1.0.25",
+  "version": "1.0.26",
   "unity": "2018.4",
   "description": "Foundation package is a collection of utility methods, design patterns, and extensions for Unity.",
   "keywords": [