org.jhotdraw.draw.event

Class CompositeFigureEvent

java.lang.Object

java.util.EventObject

org.jhotdraw.draw.event.CompositeFigureEvent

All Implemented Interfaces:

java.io.Serializable

public class CompositeFigureEvent
extends java.util.EventObject

An EventObject sent to CompositeFigureListeners. Design Patterns

Observer
Changes in the composition of a composite figure can be observed.
Subject: CompositeFigure; Observer: CompositeFigureListener; Event: CompositeFigureEvent.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
CompositeFigureEvent(CompositeFigure source, Figure child, java.awt.geom.Rectangle2D.Double invalidatedArea, int zIndex) Constructs an event for the provided CompositeFigure.

Method Summary

Modifier and Type	Method and Description
Figure	getChildFigure() Gets the changed child figure.
CompositeFigure	getCompositeFigure() Gets the changed drawing.
int	getIndex() Returns the z-index of the child figure.
java.awt.geom.Rectangle2D.Double	getInvalidatedArea() Gets the bounds of the invalidated area on the drawing.

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

CompositeFigureEvent

public CompositeFigureEvent(CompositeFigure source,
                            Figure child,
                            java.awt.geom.Rectangle2D.Double invalidatedArea,
                            int zIndex)

Constructs an event for the provided CompositeFigure.

Parameters:

source - The composite figure.

child - The changed figure.

invalidatedArea - The bounds of the invalidated area on the drawing.

Method Detail

getCompositeFigure

public CompositeFigure getCompositeFigure()

Gets the changed drawing.

getChildFigure

public Figure getChildFigure()

Gets the changed child figure.

getInvalidatedArea

public java.awt.geom.Rectangle2D.Double getInvalidatedArea()

Gets the bounds of the invalidated area on the drawing.

getIndex

public int getIndex()

Returns the z-index of the child figure.