io.keikai.ui.sys

Interface UndoableActionManager

All Known Implementing Classes:

DummyUndoableActionManager, UndoableActionManagerImpl

public interface UndoableActionManager

the manager to control undoable action

Author:

dennis

Method Summary

Modifier and Type	Method and Description
void	bind(Spreadsheet spreadsheet) Will be called when a manager create
void	clear() clear the history
void	doAction(UndoableAction action) Do the action and put it into history
String	getRedoLabel() Get redo label, only available if isRedoable()
String	getUndoLabel() Get undo label, only available if isUndoable()
boolean	isRedoable() Is redoable
boolean	isUndoable() Is undoable
void	redoAction() redo the last undo action, only availabel if isRedoable()
void	setMaxHsitorySize(int size) Sets the maximun history size
void	undoAction() undo last action, only available if isUndoable()

Method Detail

doAction

void doAction(UndoableAction action)

Do the action and put it into history

Parameters:

action -

isUndoable

boolean isUndoable()

Is undoable

Returns:

getUndoLabel

String getUndoLabel()

Get undo label, only available if isUndoable()

Returns:

undoAction

void undoAction()

undo last action, only available if isUndoable()

isRedoable

boolean isRedoable()

Is redoable

Returns:

getRedoLabel

String getRedoLabel()

Get redo label, only available if isRedoable()

Returns:

redoAction

void redoAction()

redo the last undo action, only availabel if isRedoable()

clear

void clear()

clear the history

setMaxHsitorySize

void setMaxHsitorySize(int size)

Sets the maximun history size

Parameters:

size -

bind

void bind(Spreadsheet spreadsheet)

Will be called when a manager create

Parameters:

sparedsheet -