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using UnityEngine;
namespace UnityEditor.U2D.Sprites
{
internal interface IUndoSystem
{
void RegisterUndoCallback(Undo.UndoRedoCallback undoCallback);
void UnregisterUndoCallback(Undo.UndoRedoCallback undoCallback);
void RegisterCompleteObjectUndo(ScriptableObject obj, string undoText);
void ClearUndo(ScriptableObject obj);
}
internal class UndoSystem : IUndoSystem
{
public void RegisterUndoCallback(Undo.UndoRedoCallback undoCallback)
{
Undo.undoRedoPerformed += undoCallback;
}
public void UnregisterUndoCallback(Undo.UndoRedoCallback undoCallback)
{
Undo.undoRedoPerformed -= undoCallback;
}
public void RegisterCompleteObjectUndo(ScriptableObject so, string undoText)
{
if (so != null)
{
Undo.RegisterCompleteObjectUndo(so, undoText);
}
}
public void ClearUndo(ScriptableObject so)
{
if (so != null)
{
Undo.ClearUndo(so);
}
}
}
}