Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- using System.Linq;
- using UnityEngine;
- using UnityEditor;
- using System.Reflection;
- public class OnChangedCallAttribute : PropertyAttribute
- {
- public string methodName;
- public OnChangedCallAttribute(string methodNameNoArguments)
- {
- methodName = methodNameNoArguments;
- }
- }
- #if UNITY_EDITOR
- [CustomPropertyDrawer(typeof(OnChangedCallAttribute))]
- public class OnChangedCallAttributePropertyDrawer : PropertyDrawer
- {
- public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
- {
- EditorGUI.BeginChangeCheck();
- EditorGUI.PropertyField(position, property, label);
- if (!EditorGUI.EndChangeCheck()) return;
- var targetObject = property.serializedObject.targetObject;
- OnChangedCallAttribute callAttribute = attribute as OnChangedCallAttribute;
- var methodName = callAttribute?.methodName;
- var classType = targetObject.GetType();
- var methodInfo = classType.GetMethods().FirstOrDefault(info => info.Name == methodName);
- // Update the serialized field
- property.serializedObject.ApplyModifiedProperties();
- // If we found a public function with the given name that takes no parameters, invoke it
- if (methodInfo != null && !methodInfo.GetParameters().Any())
- {
- methodInfo.Invoke(targetObject, null);
- }
- else
- {
- // TODO: Create proper exception
- Debug.LogError($"OnChangedCall error : No public function taking no " +
- $"argument named {methodName} in class {classType.Name}");
- }
- }
- }
- #endif
Add Comment
Please, Sign In to add comment
