Module java.desktop
Package javax.swing.undo
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
-
ClassDescriptionAn abstract implementation of
UndoableEdit
, implementing simple responses to all boolean methods in that interface.Thrown when an UndoableEdit is told toredo()
and can't.Thrown when an UndoableEdit is told toundo()
and can't.A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.StateEdit is a general edit for objects that change state.StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.AnUndoableEdit
represents an edit.A support class used for managingUndoableEdit
listeners.UndoManager
manages a list ofUndoableEdits
, providing a way to undo or redo the appropriate edits.