UndoableActionManager (Keikai Spreadsheet Build 6.0.0 API)

All Known Implementing Classes:

DummyUndoableActionManager, UndoableActionManagerImpl
```
public interface UndoableActionManager
```
the manager to control undoable action

Author:

dennis

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	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 -