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package org.python.tests;

import java.awt.event.ComponentEvent;

import java.awt.event.ComponentListener;

import java.util.TooManyListenersException;

public class Listenable {

ComponentListener listener;

public void addComponentListener(ComponentListener l) throws TooManyListenersException {

if(listener != null)

throw new TooManyListenersException();

listener = l;

}

public void removeComponentListener(ComponentListener l) {

listener = null;

}

public void fireComponentMoved(ComponentEvent evt) {

if(listener != null)

listener.componentMoved(evt);

}

public void fireComponentHidden(ComponentEvent evt) {

if(listener != null)

listener.componentHidden(evt);

}

public void fireComponentShown(ComponentEvent evt) {

if(listener != null)

listener.componentShown(evt);

}

}