public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(position, label, property);
AllowedBindingTypesAttribute attribute = fieldInfo.GetCustomAttribute <AllowedBindingTypesAttribute>();
GUIContent[] options = null;
if (attribute != null)
{
options = GetAllowedTypesInAttribute(property, attribute);
}
else
{
options = AllBindings;
}
int currentIndex = GetIndex(options, property);
int newIndex = EditorGUI.Popup(position, label, currentIndex, options);
if (newIndex != currentIndex)
{
property.intValue = (int)GetValue(options, newIndex);
}
EditorGUI.EndProperty();
}
private static GUIContent[] GetAllowedTypesInAttribute(SerializedProperty property, AllowedBindingTypesAttribute attribute)
{
GUIContent[] result = null;
BindingType[] rawData = null;
if (attribute.AllowedTypes != null)
{
rawData = attribute.AllowedTypes;
}
else
{
BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
PropertyInfo propertyInfo = property.serializedObject.targetObject.GetType().GetProperty(attribute.Descriptor, flags);
if (propertyInfo == null)
{
Debug.LogError($"Property {attribute.Descriptor} not found in {property.serializedObject}");
}
else
{
rawData = propertyInfo.GetValue(property.serializedObject.targetObject) as BindingType[];
}
}
if (rawData != null && rawData.Length > 0)
{
result = rawData
.OrderBy((a) => (int)a)
.Select(x => new GUIContent(Enum.GetName(typeof(BindingType), x)))
.ToArray();
}
else
{
result = AllBindings;
}
return(result);
}
