GroupExtended.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.grid;
 
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Group;
 
public class GroupExtended extends Group {
 
  private boolean done = false;
 
  public GroupExtended(String label, Object value) {
    super(label, value);
    addAutoOpen();
  }
 
  public GroupExtended(String label) {
    super(label);
    addAutoOpen();
  }
 
  public GroupExtended() {
    addAutoOpen();
  }
 
  private void addAutoOpen() {
    if(!done) {
      addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          setOpen(!isOpen());
        }
      });
      done = true;
    }
  }
 
}