UndoableAction (Keikai Spreadsheet Build 6.1.0.1 API)

All Known Implementing Classes:

Abstract2DCellDataStyleAction, AbstractCellDataStyleAction, AbstractEditTextAction, AbstractUndoableAction, AggregatedAction, AutoFillCellAction, CellBorderAction, CellCommentAction, CellEditTextAction, CellRichTextAction, CellStyleAction, ClearCellAction, CutCellAction, DataValidationAction, DeleteCellAction, FontStyleAction, HideHeaderAction, InsertCellAction, MergeCellAction, PasteCellAction, PasteSpecialCellAction, ResizeHeaderAction, ShiftCellAction, SortCellAction, ToggleMergeCellAction, UnmergeCellAction
```
public interface UndoableAction
```
Author:

dennis

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`doAction()`	do the action, either first time or redo
`String`	`getLabel()`
`AreaRef`	`getRedoSelection()`
`Sheet`	`getRedoSheet()`
`AreaRef`	`getUndoSelection()`
`Sheet`	`getUndoSheet()`
`boolean`	`isRedoable()`	Check if still redoable or not
`boolean`	`isUndoable()`	Check if still undoable or not
`void`	`undoAction()`	Undo the action

- Method Detail
  - getLabel
```
String getLabel()
```
    Returns:
    
    the label of this action
  - doAction
```
void doAction()
```
    do the action, either first time or redo
  - isUndoable
```
boolean isUndoable()
```
    Check if still undoable or not
    
    Returns:
  - isRedoable
```
boolean isRedoable()
```
    Check if still redoable or not
    
    Returns:
  - undoAction
```
void undoAction()
```
    Undo the action
  - getUndoSelection
```
AreaRef getUndoSelection()
```
    Returns:
    
    Selection after undo of this action, null if doesn't provided;
  - getRedoSelection
```
AreaRef getRedoSelection()
```
    Returns:
    
    Selection after redo of this action, null if doesn't provided;
  - getUndoSheet
```
Sheet getUndoSheet()
```
    Returns:
    
    target sheet of undo action, null if doesn't provided
  - getRedoSheet
```
Sheet getRedoSheet()
```
    Returns:
    
    target sheet of redo action, null if doesn't provided