org.jbpm.formbuilder.client.options
Class UndoRedoManager

java.lang.Object
  org.jbpm.formbuilder.client.options.UndoRedoManager

public class UndoRedoManager
extends Object

Handles undo / redo actions

Method Summary

boolean	canRedo()
boolean	canUndo()
static UndoRedoManager	getInstance()
void	redo() gets the next action in the history and redoes it
protected void	syncAdd(UndoableEvent event)
void	undo() gets the previous action in the history and reverts it

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static UndoRedoManager getInstance()

syncAdd

protected void syncAdd(UndoableEvent event)

undo

public void undo()

gets the previous action in the history and reverts it

redo

public void redo()

gets the next action in the history and redoes it

canUndo

public boolean canUndo()

canRedo

public boolean canRedo()