DelayUndoManager

java.lang.Object
- javax.swing.undo.AbstractUndoableEdit
- - javax.swing.undo.CompoundEdit
  - - javax.swing.undo.UndoManager
    - - com.jidesoft.swing.DelayUndoManager

```
public class DelayUndoManager
extends javax.swing.undo.UndoManager
```
An undo manager that aggregates UndoableEdits into one CompoundEdit if they are executed very close to each other. By default, the gap is 500 ms. You can control it by passing in a different number in the constructor.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

protected javax.swing.Timer _timer
- Fields inherited from class javax.swing.undo.AbstractUndoableEdit
  RedoName, UndoName
- Fields inherited from class javax.swing.undo.CompoundEdit
  edits

Fields
Modifier and Type	Field	Description
`protected javax.swing.Timer`	`_timer`

Constructor Summary

Constructors
Constructor Description

DelayUndoManager()

DelayUndoManager(int delay)

Constructors
Constructor	Description
`DelayUndoManager()`
`DelayUndoManager(int delay)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`addEdit(javax.swing.undo.UndoableEdit anEdit)`
`void`	`addEditWithoutCaching()`	Calls super.addEdit without caching.
`boolean`	`canRedo()`	Override to commit the cache before checking redo status.
`boolean`	`canUndo()`	Override to commit the cache before checking undo status.
`void`	`commitCache()`	Commits the cached edit.
`void`	`discardAllEdits()`
`void`	`discardCache()`
`boolean`	`isCacheEmpty()`	Checks if there are pending edits in the DelayUndoManager.
`void`	`redo()`	Override to commit the cache before redo.
`void`	`undo()`	Override to commit the cache before undo.

Methods inherited from class javax.swing.undo.AbstractUndoableEdit
replaceEdit

Methods inherited from class javax.swing.undo.CompoundEdit
die, getPresentationName, isInProgress, isSignificant, lastEdit

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

Methods inherited from class javax.swing.undo.UndoManager
canUndoOrRedo, editToBeRedone, editToBeUndone, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, redoTo, setLimit, toString, trimEdits, trimForLimit, undoableEditHappened, undoOrRedo, undoTo

- Field Detail
  - _timer
```
protected javax.swing.Timer _timer
```
- Constructor Detail
  - DelayUndoManager
```
public DelayUndoManager()
```
  - DelayUndoManager
```
public DelayUndoManager(int delay)
```
- Method Detail
  - isCacheEmpty
```
public boolean isCacheEmpty()
```
    Checks if there are pending edits in the DelayUndoManager.
    
    Returns:
    
    true if there are pending edits. Otherwise false.
  - commitCache
```
public void commitCache()
```
    Commits the cached edit.
  - addEditWithoutCaching
```
public void addEditWithoutCaching()
```
    Calls super.addEdit without caching.
  - discardCache
```
public void discardCache()
```
  - addEdit
```
public boolean addEdit(javax.swing.undo.UndoableEdit anEdit)
```
    Overrides:
    
    addEdit in class javax.swing.undo.UndoManager
  - canUndo
```
public boolean canUndo()
```
    Override to commit the cache before checking undo status.
    
    Overrides:
    
    canUndo in class javax.swing.undo.UndoManager
    
    Returns:
    
    true if an undo operation would be successful now, false otherwise
  - canRedo
```
public boolean canRedo()
```
    Override to commit the cache before checking redo status.
    
    Overrides:
    
    canRedo in class javax.swing.undo.UndoManager
    
    Returns:
    
    true if an redo operation would be successful now, false otherwise
  - undo
```
public void undo()
          throws javax.swing.undo.CannotUndoException
```
    Override to commit the cache before undo.
    
    Overrides:
    
    undo in class javax.swing.undo.UndoManager
    
    Throws:
    
    javax.swing.undo.CannotUndoException
  - redo
```
public void redo()
          throws javax.swing.undo.CannotRedoException
```
    Override to commit the cache before redo.
    
    Overrides:
    
    redo in class javax.swing.undo.UndoManager
    
    Throws:
    
    javax.swing.undo.CannotRedoException
  - discardAllEdits
```
public void discardAllEdits()
```
    Overrides:
    
    discardAllEdits in class javax.swing.undo.UndoManager

Class DelayUndoManager

Field Summary

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

Fields inherited from class javax.swing.undo.CompoundEdit

Constructor Summary

Method Summary

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

Methods inherited from class javax.swing.undo.CompoundEdit

Methods inherited from class java.lang.Object

Methods inherited from class javax.swing.undo.UndoManager

Field Detail

_timer

Constructor Detail

DelayUndoManager

DelayUndoManager

Method Detail

isCacheEmpty

commitCache

addEditWithoutCaching

discardCache

addEdit

canUndo

canRedo

undo

redo

discardAllEdits