OpenJDK 27 · javax.swing.undo.UndoableEditSupport · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
protected CompoundEdit	compoundEdit The compound edit.
protected Vector<UndoableEditListener>	listeners The list of listeners.
protected Object	realSource The real source.
protected int	updateLevel The update level.

Access	Constructor and Description
public	UndoableEditSupport() Constructs an `UndoableEditSupport` object.
public	UndoableEditSupport(Object an `Object` r) Constructs an `UndoableEditSupport` object.

Method Summary

Modifier and Type	Method and Description
protected void	_postEdit(UndoableEdit edit to be verified e) Called only from `postEdit` and `endUpdate`.
public synchronized void	addUndoableEditListener(UndoableEditListener an `UndoableEditListener` object l) Registers an `UndoableEditListener`.
public synchronized void	beginUpdate() Starts a compound edit update.
protected CompoundEdit	Returns: new created `CompoundEdit` object createCompoundEdit() Called only from `beginUpdate`.
public synchronized void	endUpdate() DEADLOCK WARNING: Calling this method may call `undoableEditHappened` in all listeners.
public synchronized UndoableEditListener[]	Returns: all of the `UndoableEditListener`s added or an empty array if no listeners have been added getUndoableEditListeners() Returns an array of all the `UndoableEditListener`s added to this UndoableEditSupport with addUndoableEditListener().
public int	Returns: an integer representing the update level getUpdateLevel() Returns the update level value.
public synchronized void	postEdit(UndoableEdit edit to be posted e) DEADLOCK WARNING: Calling this method may call `undoableEditHappened` in all listeners.
public synchronized void	removeUndoableEditListener(UndoableEditListener the `UndoableEditListener` object to be removed l) Removes an `UndoableEditListener`.
public String	Returns: a `String` representation of this object toString() Overrides java.lang.Object.toString. Returns a string that displays and identifies this object's properties.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

compoundEdit	back to summary
protected CompoundEdit compoundEdit The compound edit.

listeners	back to summary
protected Vector<UndoableEditListener> listeners The list of listeners.

realSource	back to summary
protected Object realSource The real source.

updateLevel	back to summary
protected int updateLevel The update level.

UndoableEditSupport	back to summary
public UndoableEditSupport() Constructs an `UndoableEditSupport` object.

UndoableEditSupport	back to summary
public UndoableEditSupport(Object r) Constructs an `UndoableEditSupport` object. Parameters r:Object an `Object`

Method Detail

_postEdit back to summary

_postEdit	back to summary
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 synchronized. Parameters e:UndoableEdit edit to be verified

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 synchronized.

Parameters

e:UndoableEdit: edit to be verified

addUndoableEditListener back to summary

addUndoableEditListener	back to summary
public synchronized void addUndoableEditListener(UndoableEditListener l) Registers an `UndoableEditListener`. The listener is notified whenever an edit occurs which can be undone. Parameters l:UndoableEditListener an `UndoableEditListener` object See Also `removeUndoableEditListener`

public synchronized void addUndoableEditListener(UndoableEditListener l)

Registers an UndoableEditListener. The listener is notified whenever an edit occurs which can be undone.

Parameters

l:UndoableEditListener: an UndoableEditListener object

See Also

removeUndoableEditListener

beginUpdate	back to summary
public synchronized void beginUpdate() Starts a compound edit update.

createCompoundEdit back to summary

createCompoundEdit	back to summary
protected CompoundEdit createCompoundEdit() Called only from `beginUpdate`. Exposed here for subclasses' use. Returns:CompoundEdit new created `CompoundEdit` object

protected CompoundEdit createCompoundEdit()

Called only from beginUpdate. Exposed here for subclasses' use.

Returns:CompoundEdit: new created CompoundEdit object

endUpdate	back to summary
public synchronized 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.

getUndoableEditListeners back to summary

getUndoableEditListeners	back to summary
public synchronized UndoableEditListener[] getUndoableEditListeners() Returns an array of all the `UndoableEditListener`s added to this UndoableEditSupport with addUndoableEditListener(). Returns:UndoableEditListener[] all of the `UndoableEditListener`s added or an empty array if no listeners have been added Since 1.4

public synchronized UndoableEditListener[] getUndoableEditListeners()

Returns an array of all the UndoableEditListeners added to this UndoableEditSupport with addUndoableEditListener().

Returns:UndoableEditListener[]: all of the UndoableEditListeners added or an empty array if no listeners have been added
Since: 1.4

getUpdateLevel	back to summary
public int getUpdateLevel() Returns the update level value. Returns:int an integer representing the update level

getUpdateLevel

back to summary

public int getUpdateLevel()

Returns the update level value.

Returns:int: an integer representing the update level

postEdit back to summary

postEdit	back to summary
public synchronized 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. Parameters e:UndoableEdit edit to be posted

public synchronized 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.

Parameters

e:UndoableEdit: edit to be posted

removeUndoableEditListener back to summary

removeUndoableEditListener	back to summary
public synchronized void removeUndoableEditListener(UndoableEditListener l) Removes an `UndoableEditListener`. Parameters l:UndoableEditListener the `UndoableEditListener` object to be removed See Also `addUndoableEditListener`

public synchronized void removeUndoableEditListener(UndoableEditListener l)

Removes an UndoableEditListener.

Parameters

l:UndoableEditListener: the UndoableEditListener object to be removed

See Also

addUndoableEditListener

toString back to summary

toString	back to summary
public String toString() Overrides java.lang.Object.toString. Returns a string that displays and identifies this object's properties. Returns:String a `String` representation of this object

public String toString()

Overrides java.lang.Object.toString.

Returns a string that displays and identifies this object's properties.

Returns:String: a String representation of this object

public Class UndoableEditSupport

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail