Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JavaTM 2 Platform Std. Ed. v1.4.2
PREV PACKAGE NEXT PACKAGE | FRAMES NO FRAMES

## Package javax.swing.undo

Allows developers to provide support for undo/redo in applications such as text editors.

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 a `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

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.

## Related Documentation

For overviews, tutorials, examples, guides, and tool documentation, please see:

- Implementing Undo and Redo, a section in The Java Tutorial

Since:
  1.2

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JavaTM 2 Platform Std. Ed. v1.4.2
PREV PACKAGE NEXT PACKAGE | FRAMES NO FRAMES

Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.