Modifier and Type	Class and Description
public static interface	UndoManager.UndoPosition Represents a position in UndoManager's history.

Method Summary

Modifier and Type	Method and Description
public ObservableBooleanValue	atMarkedPositionProperty() Indicates whether this UndoManager's current position within its history is the same as the last marked position.
public void	close() Stops observing change events.
public void	forgetHistory() Forgets all changes prior to the current position in the history.
public UndoManager.UndoPosition	getCurrentPosition() Returns the current position within this UndoManager's history.
public default C	getNextRedo()
public default C	getNextUndo()
public boolean	isAtMarkedPosition()
public boolean	isPerformingAction()
public boolean	isRedoAvailable()
public boolean	isUndoAvailable()
public default void	mark() Sets this UndoManager's mark to the current position.
public Val<C>	nextRedoProperty() Gives a peek at the change that will be redone by `redo()`.
public Val<C>	nextUndoProperty() Gives a peek at the change that will be undone by `undo()`.
public ObservableBooleanValue	performingActionProperty() Indicates whether this undo manager is currently performing undo or redo action.
public void	preventMerge() Prevents the next change from being merged with the latest one.
public boolean	Returns: `true` if a change was redone, `false` otherwise. redo() Redo previously undone change, if there is any change to redo.
public Val<Boolean>	redoAvailableProperty() Indicates whether there is a change that can be redone.
public boolean	Returns: `true` if a change was undone, `false` otherwise. undo() Undo the most recent change, if there is any change to undo.
public Val<Boolean>	undoAvailableProperty() Indicates whether there is a change that can be undone.

Method Detail

atMarkedPositionProperty	back to summary
public ObservableBooleanValue atMarkedPositionProperty() Indicates whether this UndoManager's current position within its history is the same as the last marked position.

close	back to summary
public void close() Stops observing change events.

forgetHistory	back to summary
public void forgetHistory() Forgets all changes prior to the current position in the history.

getCurrentPosition	back to summary
public UndoManager.UndoPosition getCurrentPosition() Returns the current position within this UndoManager's history.

getNextRedo	back to summary
public default C getNextRedo()

getNextUndo	back to summary
public default C getNextUndo()

isAtMarkedPosition	back to summary
public boolean isAtMarkedPosition()

isPerformingAction	back to summary
public boolean isPerformingAction()

isRedoAvailable	back to summary
public boolean isRedoAvailable()

isUndoAvailable	back to summary
public boolean isUndoAvailable()

mark	back to summary
public default void mark() Sets this UndoManager's mark to the current position. This method is a convenient shortcut for `getCurrentPosition().mark()`.

nextRedoProperty	back to summary
public Val<C> nextRedoProperty() Gives a peek at the change that will be redone by `redo()`.

nextUndoProperty	back to summary
public Val<C> nextUndoProperty() Gives a peek at the change that will be undone by `undo()`.

performingActionProperty	back to summary
public ObservableBooleanValue performingActionProperty() Indicates whether this undo manager is currently performing undo or redo action.

preventMerge	back to summary
public void preventMerge() Prevents the next change from being merged with the latest one.

redo back to summary

redo	back to summary
public boolean redo() Redo previously undone change, if there is any change to redo. Returns:boolean `true` if a change was redone, `false` otherwise.

public boolean redo()

Redo previously undone change, if there is any change to redo.

Returns:boolean: true if a change was redone, false otherwise.

redoAvailableProperty	back to summary
public Val<Boolean> redoAvailableProperty() Indicates whether there is a change that can be redone.

undo back to summary

undo	back to summary
public boolean undo() Undo the most recent change, if there is any change to undo. Returns:boolean `true` if a change was undone, `false` otherwise.

public boolean undo()

Undo the most recent change, if there is any change to undo.

Returns:boolean: true if a change was undone, false otherwise.

undoAvailableProperty	back to summary
public Val<Boolean> undoAvailableProperty() Indicates whether there is a change that can be undone.

org.fxmisc.undo back to summary

public Interface UndoManager.UndoPosition

Known Direct Implementers: org.fxmisc.undo.impl.UndoManagerImpl.UndoPositionImpl

Represents a position in UndoManager's history.

Method Summary

Modifier and Type	Method and Description
public boolean	isValid() Checks whether this history position is still valid.
public void	mark() Sets the mark of the underlying UndoManager at this position.

Method Detail

isValid	back to summary
public boolean isValid() Checks whether this history position is still valid. A position becomes invalid when the change immediately preceding the position is undone and then discarded due to another incoming change; or the change immediately following the position is forgotten due to history size limit.

isValid

back to summary

public boolean isValid()

Checks whether this history position is still valid. A position becomes invalid when

the change immediately preceding the position is undone and then discarded due to another incoming change; or
the change immediately following the position is forgotten due to history size limit.

mark	back to summary
public void mark() Sets the mark of the underlying UndoManager at this position. The mark is set whether or not this position is valid. It is OK for an UndoManager to be marked at an invalid position.

public Interface UndoManager<C>

Nested and Inner Type Summary

Method Summary

Method Detail

public Interface UndoManager.UndoPosition

Method Summary

Method Detail