org.smallmind.swing.button.EventCoalescingButtonGroup Maven / Gradle / Ivy
/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.swing.button;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import org.smallmind.nutsnbolts.util.WeakEventListenerList;
public class EventCoalescingButtonGroup extends ButtonGroup implements ActionListener {
private final WeakEventListenerList listenerList = new WeakEventListenerList();
@Override
public void add (AbstractButton button) {
button.addActionListener(this);
super.add(button);
}
@Override
public void remove (AbstractButton button) {
button.removeActionListener(this);
super.remove(button);
}
@Override
public void actionPerformed (ActionEvent actionEvent) {
GroupedActionEvent groupedActionEvent = new GroupedActionEvent(this, actionEvent);
for (ActionListener actionListener : listenerList) {
actionListener.actionPerformed(groupedActionEvent);
}
}
public void addActionListener (ActionListener actionListener) {
listenerList.addListener(actionListener);
}
public void removeActionListener (ActionListener actionListener) {
listenerList.removeListener(actionListener);
}
}