UndoMgr

java.lang.Object
- javax.swing.undo.AbstractUndoableEdit
- - javax.swing.undo.CompoundEdit
  - - javax.swing.undo.UndoManager
    - - org.apache.uima.tools.cvd.control.UndoMgr

All Implemented Interfaces:

java.awt.event.ActionListener, java.io.Serializable, java.util.EventListener, javax.swing.event.UndoableEditListener, javax.swing.undo.UndoableEdit
```
public class UndoMgr
extends javax.swing.undo.UndoManager
implements java.awt.event.ActionListener
```
Undo manager for text area.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

private MainFrame main
The main.

private static long serialVersionUID
The Constant serialVersionUID.
- Fields inherited from class javax.swing.undo.CompoundEdit
  edits
- Fields inherited from class javax.swing.undo.AbstractUndoableEdit
  RedoName, UndoName

Constructor Summary

Constructors
Constructor Description

UndoMgr(MainFrame frame)
Instantiates a new undo mgr.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`actionPerformed(java.awt.event.ActionEvent arg0)`
`boolean`	`addEdit(javax.swing.undo.UndoableEdit arg0)`
`void`	`discardAllEdits()`

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

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

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

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

- Field Detail
  - main
```
private final MainFrame main
```
    The main.
  - serialVersionUID
```
private static final long serialVersionUID
```
    The Constant serialVersionUID.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - UndoMgr
```
public UndoMgr(MainFrame frame)
```
    Instantiates a new undo mgr.
    
    Parameters:
    
    frame - the frame
- Method Detail
  - actionPerformed
```
public void actionPerformed(java.awt.event.ActionEvent arg0)
```
    Specified by:
    
    actionPerformed in interface java.awt.event.ActionListener
  - addEdit
```
public boolean addEdit(javax.swing.undo.UndoableEdit arg0)
```
    Specified by:
    
    addEdit in interface javax.swing.undo.UndoableEdit
    
    Overrides:
    
    addEdit in class javax.swing.undo.UndoManager
  - discardAllEdits
```
public void discardAllEdits()
```
    Overrides:
    
    discardAllEdits in class javax.swing.undo.UndoManager