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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Package javax.swing.undo - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

JavaTM 2 Platform
Standard Edition

Package javax.swing.undo

Provides support for undo/redo capabilities in an application such as a text editor.

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.
StateEdit StateEdit is a general edit for objects that change state.
UndoableEditSupport A support class used for managing UndoableEdit listeners.
UndoManager Concrete subclass of CompoundEdit which can serve as an UndoableEditListener, consolidating the UndoableEditEvents from a variety of sources, and undoing or redoing them one at a time.
 

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.
 

Package javax.swing.undo Description

Provides support for undo/redo capabilities in an application such as a text editor. It is for developers that provide undo/redo capabilities in their application.

Since:
JDK1.2

JavaTM 2 Platform
Standard Edition

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