figurechangelistener.java

来自「开源（Open Source）项目JHotDraw的文档和源程序」· Java 代码 · 共 44 行

/*
 * @(#)FigureChangeListener.java 5.2
 *
 */

package CH.ifa.draw.framework;

import java.awt.Rectangle;
import java.util.EventListener;

/**
 * Listener interested in Figure changes.
 *
 */
public interface FigureChangeListener extends EventListener {

    /**
     *  Sent when an area is invalid
     */
    public void figureInvalidated(FigureChangeEvent e);

    /**
     * Sent when a figure changed
     */
    public void figureChanged(FigureChangeEvent e);

    /**
     * Sent when a figure was removed
     */
    public void figureRemoved(FigureChangeEvent e);

    /**
     * Sent when requesting to remove a figure.
     */
    public void figureRequestRemove(FigureChangeEvent e);

    /**
     * Sent when an update should happen.
     *
     */
    public void figureRequestUpdate(FigureChangeEvent e);

}