Application: gvSIG desktop

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

 *

 * Copyright (C) 2004 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.layers;

import com.iver.cit.gvsig.fmap.rendering.LegendChangedEvent;

import java.util.ArrayList;

import java.util.Iterator;

/**

 * Clase que gestiona el a?adir, borrar y ejecutar los listeners de cambio de

 * estilo de las capas.

 *

 * @author Vicente Caballero Navarro

 */

public class LayerChangeSupport {

        private ArrayList listeners = new ArrayList();

        /**

         * A?ade un LegendListener al ArrayList de Listener.

         *

         * @param listener LegendListener.

         */

        public void addLayerListener(LegendListener listener) {

                listeners.add(listener);

        }

        /**

         * Borra un LegendListener del ArrayList.

         *

         * @param listener LegendListener.

         */

        public void removeLayerListener(LegendListener listener) {

                listeners.remove(listener);

        }

        /**

         * Llamada al m?todo legendChanged de los listener.

         *

         * @param e LegendChangeEvent

         */

        public void callLegendChanged(LegendChangedEvent e) {

                for (Iterator iter = listeners.iterator(); iter.hasNext();) {

                        LegendListener listener = (LegendListener) iter.next();

                        listener.legendChanged(e);

                }

        }

}