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Class java.awt.swing.undo.UndoableEditSupport

java.lang.Object
    |
    +----java.awt.swing.undo.UndoableEditSupport

public class UndoableEditSupport
extends Object

Field Summary
CompoundEdit  compoundEdit
 
Vector  listeners
 
Object  realSource
 
int  updateLevel
 
 

Constructor Summary
 UndoableEditSupport()
 
 UndoableEditSupport(Object r)
 
 

Method Summary
void  _postEdit(UndoableEdit e)
Called only from postEdit and endUpdate.
void  addUndoableEditListener(UndoableEditListener l)
 
void  beginUpdate()
 
CompoundEdit  createCompoundEdit()
Called only from beginUpdate.
void  endUpdate()
DEADLOCK WARNING: Calling this method may call undoableEditHappened in all listeners.
int  getUpdateLevel()
 
void  postEdit(UndoableEdit e)
DEADLOCK WARNING: Calling this method may call undoableEditHappened in all listeners.
void  removeUndoableEditListener(UndoableEditListener l)
 
String  toString()
 
 
Methods inherited from class java.lang.Object
 clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

updateLevel

protected int updateLevel

compoundEdit

protected CompoundEdit compoundEdit

listeners

protected Vector listeners

realSource

protected Object realSource
Constructor Detail

UndoableEditSupport

public UndoableEditSupport()

UndoableEditSupport

public UndoableEditSupport(Object r)
Method Detail

addUndoableEditListener

public void addUndoableEditListener(UndoableEditListener l)

removeUndoableEditListener

public void removeUndoableEditListener(UndoableEditListener l)

_postEdit

protected void _postEdit(UndoableEdit e)
Called only from postEdit and endUpdate. Calls undoableEditHappened in all listeners. No synchronization is performed here, since the two calling methods are synchonized.

postEdit

public void postEdit(UndoableEdit e)
DEADLOCK WARNING: Calling this method may call undoableEditHappened in all listeners. It is unwise to call this method from one of its listeners.

getUpdateLevel

public int getUpdateLevel()

beginUpdate

public void beginUpdate()

createCompoundEdit

protected CompoundEdit createCompoundEdit()
Called only from beginUpdate. Exposed here for subclasses' use

endUpdate

public void endUpdate()
DEADLOCK WARNING: Calling this method may call undoableEditHappened in all listeners. It is unwise to call this method from one of its listeners.

toString

public String toString()
Overrides:
toString in class Object

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