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Java Platform 1.2
Beta 4

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SUMMARY: INNER | FIELD | CONSTR | METHOD

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Class com.sun.java.swing.undo.UndoableEditSupport

java.lang.Object
  |
  +--com.sun.java.swing.undo.UndoableEditSupport

public class UndoableEditSupport

extends Object

Field Summary

protected CompoundEdit	compoundEdit
protected Vector	listeners
protected Object	realSource
protected int	updateLevel

Constructor Summary

UndoableEditSupport()

UndoableEditSupport(Object r)

Method Summary

protected void	_postEdit(UndoableEdit e) Called only from postEdit and endUpdate.
void	addUndoableEditListener(UndoableEditListener l)
void	beginUpdate()
protected 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 , 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