【Unity】ラベルを型名で表示するためのPropertyAttribute

LabelTypeNameAttribute.cs

using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif

/// <summary>
/// ラベルで型名を表示するための<see cref="PropertyAttribute"/>
/// </summary>
public class LabelTypeNameAttribute : PropertyAttribute
{
}

#if UNITY_EDITOR
/// <summary>
/// <see cref="LabelTypeNameAttribute"/>用の<see cref="PropertyDrawer"/>
/// </summary>
[CustomPropertyDrawer(typeof(LabelTypeNameAttribute))]
public class LabelTypeNameAttributeDrawer : PropertyDrawer
{
	public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
	{
		return EditorGUI.GetPropertyHeight(property, label);
	}

	public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
	{
		var labelTitle = GetTypeName(property);
		if(!string.IsNullOrEmpty(labelTitle)) {
			label.text = GetTypeName(property);
		}
		EditorGUI.PropertyField(position, property, label, true);
	}

	string GetTypeName(SerializedProperty serializedProperty)
	{
		string ret = "";

		switch (serializedProperty.propertyType) {
			
			case SerializedPropertyType.ManagedReference:
				ret = serializedProperty.managedReferenceValue.GetType().Name;
				break;
		}
		return ret;
	}
}
#endif