/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
/*
* @(#)FigureListener.java 2.0 2007-07-17
*
* Copyright (c) 1996-2007 by the original authors of JHotDraw
* and all its contributors.
* All rights reserved.
*
* The copyright of this software is owned by the authors and
* contributors of the JHotDraw project ("the copyright holders").
* You may not use, copy or modify this software, except in
* accordance with the license agreement you entered into with
* the copyright holders. For details see accompanying license terms.
*/
package org.jhotdraw.draw;
import java.util.*;
/**
* Listener interested in Figure changes.
* <p>
* Design pattern:<br>
* Name: Observer.<br>
* Role: Observer.<br>
* Partners: {@link Figure} as Subject.
*
* @author Werner Randelshofer
* @version 2.0 2007-07-17 Shortened method names.
* <br>1.1 2007-02-09 Method figureHandlesChanged added.
* <br>1.0 2003-12-01 Derived from JHotDraw 5.4b1.
*/
public interface FigureListener extends EventListener {
/**
* Sent when the drawing area used by the figure needs to be repainted.
*/
public void areaInvalidated(FigureEvent e);
/**
* Sent when an attribute of the figure has changed.
*/
public void attributeChanged(FigureEvent e);
/**
* Sent when handles of a Figure have been added, removed or replaced.
* <p>
* DrawingViews listen to this event to repopulate the Handles.
* <p>
* A Figure should not fire this event, if just the state or the location
* of Handle has changed.
*/
public void figureHandlesChanged(FigureEvent e);
/**
* Sent when the geometry (for example the bounds) of the figure has changed.
*/
public void figureChanged(FigureEvent e);
/**
* Sent when a figure was added to a drawing.
*/
public void figureAdded(FigureEvent e);
/**
* Sent when a figure was removed from a drawing.
*/
public void figureRemoved(FigureEvent e);
/**
* Sent when the figure requests to be removed from a drawing.
*/
public void figureRequestRemove(FigureEvent e);
}