Package ptolemy.kernel.undo

Undo/Redo management.

Since:

Ptolemy II 3.1

Interface Summary

Interface	Description
UndoAction	This interface represents an undo or redo action that is maintained on an undo/redo stack, such as that maintained by UndoStackAttribute.

Class Summary

Class	Description
RedoChangeRequest	A change request to redo.
UndoActionsList	This class contains a sequential list of UndoAction instances that can be executed in order.
UndoChangeRequest	A change request to undo.
UndoStackAttribute	This attribute holds the undo/redo information for a model.