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Top Description Interfaces Classes

module java.desktop

Package javax.swing.undo

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 Concurrency in 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

Interface Summary

Modifier and Type	Interface and Description
public interface	StateEditable StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.
public interface	UndoableEdit An `UndoableEdit` represents an edit.

Class Summary

Modifier and Type	Class and Description
public class	AbstractUndoableEdit An abstract implementation of `UndoableEdit`, implementing simple responses to all boolean methods in that interface.
public class	CannotRedoException Thrown when an UndoableEdit is told to `redo()` and can't.
public class	CannotUndoException Thrown when an UndoableEdit is told to `undo()` and can't.
public class	CompoundEdit A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.
public class	StateEdit StateEdit is a general edit for objects that change state.
public class	UndoableEditSupport A support class used for managing `UndoableEdit` listeners.
public class	UndoManager `UndoManager` manages a list of `UndoableEdits`, providing a way to undo or redo the appropriate edits.