Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.raster.grid.filter;

import java.util.ArrayList;

import java.util.EventObject;

import java.util.Iterator;

import javax.swing.JPanel;

import org.gvsig.raster.dataset.Params;

/**

 * Clase de la que deben heredar todos los paneles para filtros 

 * definidos por el usuario. Tiene los m?todos para el registro de listeners

 * 

 * 28/09/2007

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class RegistrableFilterListener extends JPanel {

        private static final long  serialVersionUID = 5528469123516861351L;

        private ArrayList          actionCommandListeners = new ArrayList();

        protected Params           params = null;

        /**

         * Borrar el disparador de eventos de los botones.

         * @param listener

         */

        public void removeStateChangedListener(FilterUIListener listener) {

                actionCommandListeners.remove(listener);

        }

        /**

         * 

         * Ejecuci?n del m?todo actionValuesCompleted en todos los filtros registrados

         */

        protected void callStateChanged() {

                Iterator acIterator = actionCommandListeners.iterator();

                while (acIterator.hasNext()) {

                        FilterUIListener listener = (FilterUIListener) acIterator.next();

                        listener.actionValuesCompleted(new EventObject(this));

                }

        }

        /**

         * A?adir el listener para los paneles definidos por el usuario

         * @param listener

         */

        public void addFilterUIListener(FilterUIListener listener) {

                if (!actionCommandListeners.contains(listener))

                        actionCommandListeners.add(listener);

        }

        /**

         * Obtiene los par?metros cargados por el panel

         * @return

         */

        public Params getParams() {

                return params;

        }

}