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JSR-209 (Final Approval Ballot) | ||||||||||
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See:
Description
Interface Summary | |
StateEditable | StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit. |
UndoableEdit | An object representing an edit that has been done, and that can be undone and redone. |
Class Summary | |
AbstractUndoableEdit | An abstract implementation of UndoableEdit ,
implementing simple responses to all boolean methods in
that interface. |
CompoundEdit | A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones. |
Exception Summary | |
CannotRedoException | Thrown when an UndoableEdit is told to redo() and can't. |
CannotUndoException | Thrown when an UndoableEdit is told to undo() and can't. |
Allows developers to provide support for undo/redo in applications such as text editors.
Note: Most of the Swing API is not thread safe. For details, see Threads and Swing, a section in The Java Tutorial.
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JSR-209 (Final Approval Ballot) | ||||||||||
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