Module org.jhotdraw8.draw

Package org.jhotdraw8.draw.figure

Class FigurePropertyChangeEvent

java.lang.Object

java.util.EventObject

org.jhotdraw8.base.event.Event<Figure>

org.jhotdraw8.draw.figure.FigurePropertyChangeEvent

All Implemented Interfaces:

Serializable

public class FigurePropertyChangeEvent
extends org.jhotdraw8.base.event.Event<Figure>

FigurePropertyChangeEvent.

Author:

Werner Randelshofer

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
FigurePropertyChangeEvent(@NonNull Figure source, @NonNull Key<T> key, @Nullable T oldValue, @Nullable T newValue, boolean wasAdded, boolean wasRemoved)

Method Summary

Modifier and Type	Method	Description
@NonNull Key<?>	getKey()	Returns the key of the property that has changed.
<T> @Nullable T	getNewValue()
<T> @Nullable T	getOldValue()
boolean	wasAdded()	If the change is the result of an add operation.
boolean	wasRemoved()	If the change is the result of a remove operation.

Methods inherited from class org.jhotdraw8.base.event.Event

getSource

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

FigurePropertyChangeEvent

public FigurePropertyChangeEvent(@NonNull Figure source,
 @NonNull Key<T> key,
 @Nullable T oldValue,
 @Nullable T newValue,
 boolean wasAdded,
 boolean wasRemoved)

Method Details

getKey

public @NonNull Key<?> getKey()

Returns the key of the property that has changed.

Returns:

the key or null

getOldValue

public <T> @Nullable T getOldValue()

getNewValue

public <T> @Nullable T getNewValue()

wasAdded

public boolean wasAdded()

If the change is the result of an add operation.

Returns:

true if a new key-value entry was added to the map.

wasRemoved

public boolean wasRemoved()

If the change is the result of a remove operation.

Returns:

true if an existing key-value entry was removed from the map.