| gvSIG desktop 1

/* 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.FMapEvent;

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

/**

 * <p>Event or set of events produced when changes a legend.</p>

 * 

 * @see FMapEvent

 * @author Vicente Caballero Navarro

 */

public class LegendChangedEvent extends LegendEvent {

        /**

         * <p>Identifies this event as a changed of a legend.</p>

          */

        private static final int LEGEND_CHANGED = 0;

        /**

         * <p>Previous vector legend.</p>

         */

        private ILegend oldLegend;

        /**

         * <p>New vector legend.</p>

         */

        private ILegend newLegend;

        /**

         * <p>Events that constitute this one.</p>

         */

        private LegendChangedEvent[] events;

        /**

         * <p>Creates a new legend change event.</p>

         * 

         * @param oldLegend previous vector legend

         * @param newLegend new vector legend

         * 

         * @return a new legend change event

         */

        public static LegendChangedEvent createLegendChangedEvent(ILegend oldLegend,

                        ILegend newLegend){

                return new LegendChangedEvent(oldLegend, newLegend, LEGEND_CHANGED);

        }

        /**

         * <p>Creates a new legend change event.</p>

         *

         * @param oldLegend previous vector legend

         * @param newLegend new vector legend

         */

        private LegendChangedEvent(ILegend oldLegend,

                        ILegend newLegend, int eventType) {

                this.oldLegend = oldLegend;

                this.newLegend = newLegend;

                setEventType(eventType);

        }

        /**

         * <p>Gets the previous vector legend.</p>

         *

         * @return the previous vector legend

         */

        public ILegend getOldLegend() {

                return oldLegend;

        }

        /**

         * <p>Gets the new vector legend.</p>

         *

         * @return the new vector legend

         */

        public ILegend getNewLegend() {

                return newLegend;

        }

        /**

         * <p>Gets the events that constitute this one.</p>

         *

         * @return an array with the events that constitute this one

         */

        public LegendChangedEvent[] getEvents() {

                return events;

        }

        /**

         * <p>Sets the events that constitute this one.</p>

         *

         * @param events an array with the events that constitute this one

         */

        public void setEvents(LegendChangedEvent[] events) {

                this.events = events;

        }

}