org.jdrawing.event
Class DrawingModelEvent

java.lang.Object
  java.util.EventObject
      org.jdrawing.event.DrawingModelEvent

All Implemented Interfaces:

java.io.Serializable

public class DrawingModelEvent

extends java.util.EventObject

Encapsulates information describing changes to a drawing model, and used to notify drawing model listeners of the changes.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

DrawingModelEvent(java.lang.Object source)
Used to create an event when the model has changed in some way.

DrawingModelEvent(java.lang.Object source, java.lang.Object[] elements)
Used to create an event when some elements of the model have been changed, inserted or removed.

Method Summary

java.lang.Object[]

getElements() Returns the elements.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DrawingModelEvent

public DrawingModelEvent(java.lang.Object source)

Used to create an event when the model has changed in some way.

Parameters:

source - the Object responsible for generating the event (typically the creator of the event object passes this for its value)

DrawingModelEvent

public DrawingModelEvent(java.lang.Object source,
                         java.lang.Object[] elements)

Used to create an event when some elements of the model have been changed, inserted or removed.

Parameters:

source - the Object responsible for generating the event (typically the creator of the event object passes this for its value)

elements - an array of Object containing the inserted, removed, or changed elements

Method Detail

getElements

public java.lang.Object[] getElements()

Returns the elements. If this is a removal event the returned objects are no longer elements of the model.

Returns:

an array of Object containing the elements specified by the event