UndoStack

```
public class UndoStack
extends java.lang.Object
```
Based on EditAction e.g. ShapeCreationTool.undoStack

Nested Classes
Modifier and Type	Class and Description
`static class`	`UndoStack.UndoActionResult`

Fields
Modifier and Type	Field and Description
`protected java.util.Stack<UndoAction>`	`undoStack`

Constructors
Constructor and Description
`UndoStack()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`dispose()`
`boolean`	`hasAction()`
`void`	`push(UndoAction action)`
`UndoStack.UndoActionResult`	`undo()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

protected java.util.Stack<UndoAction> undoStack

public UndoStack.UndoActionResult undo()

Class UndoStack