UndoManager

java.lang.Object
- com.inductiveautomation.ignition.designer.UndoManager

public class UndoManager
extends java.lang.Object

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface UndoManager.UndoAction

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(UndoManager.UndoAction action)`	Adds an undo action into the currently selected context
`void`	`add(UndoManager.UndoAction action, java.lang.Object context)`	Adds an undo action for the given context.
`void`	`destroyContext(java.lang.Object context)`
`void`	`doRedo()`
`void`	`doUndo()`
`static UndoManager`	`getInstance()`
`javax.swing.Action`	`getRedoAction()`
`java.lang.Object`	`getSelectedContext()`
`javax.swing.Action`	`getUndoAction()`
`void`	`reset()`
`void`	`setSelectedContext(java.lang.Object context)`	Called by the property change listener when the window changes, or by other contexts who manage their own selectedness

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

- Method Detail
  - getInstance
```
public static UndoManager getInstance()
```
  - setSelectedContext
```
public void setSelectedContext(java.lang.Object context)
```
    Called by the property change listener when the window changes, or by other contexts who manage their own selectedness
    
    Parameters:
    
    context - An object that uniquely represents a portion of the UI that will be adding UndoAction objects. Optionally may implement UndoDelegateContext for UI areas that want to manage their own Undo/Redo stack.
  - destroyContext
```
public void destroyContext(java.lang.Object context)
```
  - getSelectedContext
```
public java.lang.Object getSelectedContext()
```
  - reset
```
public void reset()
```
  - getUndoAction
```
public javax.swing.Action getUndoAction()
```
  - getRedoAction
```
public javax.swing.Action getRedoAction()
```
  - doUndo
```
public void doUndo()
```
  - doRedo
```
public void doRedo()
```
  - add
```
public void add(UndoManager.UndoAction action)
```
    Adds an undo action into the currently selected context
  - add
```
public void add(UndoManager.UndoAction action,
                java.lang.Object context)
```
    Adds an undo action for the given context.