tests.java.org.python.tests.Listenable Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
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);
}
}