org.jhotdraw.draw.event
Class HandleEvent

java.lang.Object
  java.util.EventObject
      org.jhotdraw.draw.event.HandleEvent

All Implemented Interfaces:

java.io.Serializable

public class HandleEvent
extends java.util.EventObject

An EventObject sent to HandleListeners.

Design Patterns

Observer
State changes of handles can be observed by other objects. Specifically DrawingView observes area invalidations and remove requests of handles.
Subject: Handle; Observer: HandleListener; Event: HandleEvent; Concrete Observer: DrawingView.

Version:

$Id: HandleEvent.java 604 2010-01-09 12:00:29Z rawcoder $

Author:

Werner Randelshofer

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

HandleEvent(Handle src, java.awt.Rectangle invalidatedArea)
Creates a new instance.

Method Summary

Handle	getHandle()
java.awt.Rectangle	getInvalidatedArea() Gets the bounds of the invalidated area on the drawing view.

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

HandleEvent

public HandleEvent(Handle src,
                   java.awt.Rectangle invalidatedArea)

Creates a new instance.

Method Detail

getHandle

public Handle getHandle()

getInvalidatedArea

public java.awt.Rectangle getInvalidatedArea()

Gets the bounds of the invalidated area on the drawing view.