Listeners.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the 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.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.turro.zkoss.dialog;
 
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.EventListener;
 
public class Listeners {
 
  public static Collection<EventListener> cancelListener(Component component, String eventType) {
    ArrayList<EventListener> list = new ArrayList<>();
    Iterator it = component.getEventListeners(eventType).iterator();
    while(it.hasNext()) {
      list.add((EventListener) it.next());
      it.remove();
    }
    return list;
  }
 
  public static void activateListeners(Component component, String eventType, Collection<EventListener> listeners) {
    for(EventListener el : listeners) {
      component.addEventListener(eventType, el);
    }
  }
 
  private Listeners() {
  }
 
}