public bool DrawField(string label, Func <object> getter, Action <object> setter, Type type)
{
//Primitive?
var primitiveDrawer = MessagePackPrimitivePropertyDrawer.GetDrawer(type);
if (primitiveDrawer != null)
{
return(primitiveDrawer.DrawField(label, getter, setter, type));
}
//Array?
if (type.IsArray)
{
if (_arrayDrawer == null)
{
_arrayDrawer = new ArrayMessagePackPropertyDrawer(_useFoldout);
}
return(_arrayDrawer.DrawField(label, getter, setter, type));
}
//[MessagePackObject]でもないし[Union]でもないなら処理不可
if (!MessagePackTypeCache.Instance.IsCached(type))
{
return(false);
}
bool edit = false;
//折り畳み処理
if (_useFoldout)
{
_foldoutOpen = EditorGUILayout.Foldout(_foldoutOpen, label);
if (!_foldoutOpen)
{
return(false);
}
}
var concreteType = type;
//すでにinstanceがあるか、取得しておく
var obj = getter();
//Union対象かを一度だけチェックする
if (!_unionChecked)
{
_unions = MessagePackTypeCache.Instance.GetUnions(type);
if (_unions != null && _unions.Length > 0)
{
_unionPopup = _unions.Select(x => new GUIContent(x.SubType.FullName)).ToArray();
}
_unionChecked = true;
}
if (_unionPopup != null)
{
//初回だけ、objに合わせたindexに調整する
if (_unionSelectedIndex == -1)
{
if (obj != null)
{
_unionSelectedIndex = Array.FindIndex(_unions, union => union.SubType == obj.GetType());
}
if (_unionSelectedIndex == -1)
{
_unionSelectedIndex = 0;
}
}
var newIndex = EditorGUILayout.Popup(UnionLabel, _unionSelectedIndex, _unionPopup);
if (newIndex != _unionSelectedIndex)
{
_unionSelectedIndex = newIndex;
//Unionの選択が変わったら再生成するためにobjをnullにしておく
obj = null;
setter(null);
edit = true;
}
concreteType = _unions[_unionSelectedIndex].SubType;
}
//デフォルトで作成
if (obj == null)
{
if (_useFoldout && GUILayout.Button("new", GUILayout.Width(100f)))
{
obj = Activator.CreateInstance(concreteType);
setter(obj);
edit = true;
}
}
else
{
if (_useFoldout && GUILayout.Button("set null", GUILayout.Width(100f)))
{
setter(null);
obj = null;
edit = true;
}
}
if (obj == null)
{
return(edit);
}
var props = MessagePackTypeCache.Instance.GetProperties(concreteType);
foreach (var prop in props)
{
DefaultMessagePackPropertyDrawer drawer = null;
if (!_childDrawers.TryGetValue(prop.Name, out drawer))
{
drawer = new DefaultMessagePackPropertyDrawer(); //子はFoldout使う
_childDrawers.Add(prop.Name, drawer);
}
edit |= drawer.DrawField(prop.Name, () => prop.GetValue(obj, null), (newValue) => prop.SetValue(obj, newValue, null), prop.PropertyType);
}
return(edit);
}
private void OnEnable()
{
_drawer = new DefaultMessagePackPropertyDrawer(useFoldout: false);
}
