org.jgraph.graph

Class GraphUndoManager

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.undo.CompoundEdit

javax.swing.undo.UndoManager

org.jgraph.graph.GraphUndoManager

All Implemented Interfaces:

java.io.Serializable, java.util.EventListener, javax.swing.event.UndoableEditListener, javax.swing.undo.UndoableEdit

public class GraphUndoManager
extends javax.swing.undo.UndoManager

An UndoManager that may be shared among multiple GraphLayoutCache's.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GraphUndoManager()

Method Summary

Modifier and Type	Method and Description
boolean	canRedo(java.lang.Object source) Overridden to preserve usual semantics: returns true if a redo operation would be successful now for the given view, false otherwise
boolean	canUndo(java.lang.Object source) Overridden to preserve usual semantics: returns true if an undo operation would be successful now for the given view, false otherwise
void	redo(java.lang.Object source) If this UndoManager is inProgress, redoes the last significant UndoableEdit with respect to source or after, and all insignificant edits up to it.
void	undo(java.lang.Object source) If this UndoManager is inProgress, undo the last significant UndoableEdit wrt to source, and all insignificant edits back to it.

Methods inherited from class javax.swing.undo.UndoManager

addEdit, canRedo, canUndo, canUndoOrRedo, discardAllEdits, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, redo, setLimit, toString, undo, undoableEditHappened, undoOrRedo

Methods inherited from class javax.swing.undo.CompoundEdit

die, getPresentationName, isInProgress, isSignificant

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

replaceEdit

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

GraphUndoManager

public GraphUndoManager()

Method Detail

canUndo

public boolean canUndo(java.lang.Object source)

Overridden to preserve usual semantics: returns true if an undo operation would be successful now for the given view, false otherwise

canRedo

public boolean canRedo(java.lang.Object source)

Overridden to preserve usual semantics: returns true if a redo operation would be successful now for the given view, false otherwise

undo

public void undo(java.lang.Object source)

If this UndoManager is inProgress, undo the last significant UndoableEdit wrt to source, and all insignificant edits back to it. Updates indexOfNextAdd accordingly.

If not inProgress, indexOfNextAdd is ignored and super's routine is called.

See Also:

UndoManager.undo()

redo

public void redo(java.lang.Object source)

If this UndoManager is inProgress, redoes the last significant UndoableEdit with respect to source or after, and all insignificant edits up to it. Updates indexOfNextAdd accordingly.

If not inProgress, indexOfNextAdd is ignored and super's routine is called.