| 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 org.gvsig.fmap.mapcontext.layers;

import org.gvsig.fmap.mapcontext.events.FMapEvent;

/**

 * <p>Event produced when changes the visibility, activation, edition status, or the name of a layer.</p>

 *

 * @author Fernando Gonz?lez Cort?s

 */

public class LayerEvent extends FMapEvent {

        /**

         * <p>String that identifies the property that has changed.</p>

         */

        private String property;

        /**

         * <p>Layer affected by the action.</p>

         */

        private FLayer source;

        /**

         * <p>Identifies this event as a action of change of the visibility status of a layer.</p>

         */

        public static final int VISIBILITY_CHANGED = 0;

        /**

         * <p>Identifies this event as a action of change of the activation status of a layer.</p>

         */

        public static final int ACTIVATION_CHANGED = 1;

        /**

         * <p>Identifies this event as a action of a change of the name of a layer.</p>

         */

        public static final int NAME_CHANGED = 2;

        /**

         * <p>Identifies this event as a action of change of the edition status of a layer.</p>

         */

        public static final int EDITION_CHANGED = 3;

        /**

         * <p>Identifies this event as a action of change of any property that affects to draw of the layer.</p>

         */

        public static final int DRAW_VALUES_CHANGED = 4;

        /**

         * <p>Creates a new layer event notifying a "visibility changed" action.</p>

         * 

         * @param default1 layer affected by the action

         * @param property property that has changed

         * 

         * @return a new layer event

         */

        public static LayerEvent createVisibilityChangedEvent(FLyrDefault default1, String property){

                return new LayerEvent(default1, property, VISIBILITY_CHANGED);

        }

        /**

         * <p>Creates a new layer event notifying an "activation changed" action.</p>

         * 

         * @param default1 layer affected by the action

         * @param property property that has changed

         * 

         * @return a new layer event

         */

        public static LayerEvent createActivationChangedEvent(FLyrDefault default1, String property){

                return new LayerEvent(default1, property, ACTIVATION_CHANGED);

        }

        public static LayerEvent createDrawValuesChangedEvent(FLyrDefault default1, String property){

                return new LayerEvent(default1, property, DRAW_VALUES_CHANGED);

        }

        /**

         * <p>Creates a new layer event notifying an action of "change of the name of a layer".</p>

         * 

         * @param default1 layer affected by the action

         * @param property property that has changed

         * 

         * @return a new layer event

         */        

        public static LayerEvent createNameChangedEvent(FLyrDefault default1, String property){

                return new LayerEvent(default1, property, NAME_CHANGED);

        }

        /**

         * <p>Creates a new layer event notifying an "edition changed" action.</p>

         * 

         * @param default1 layer affected by the action

         * @param property property that has changed

         * 

         * @return a new layer event

         */

        public static LayerEvent createEditionChangedEvent(FLyrDefault default1, String property){

                return new LayerEvent(default1, property, EDITION_CHANGED);

        }

        /**

         * <p>Creates a new layer event of the specified type.</p>

         * 

         * @param default1 layer affected by the action

         * @param property property that has changed

         * @param eventType type of layer collection event

         * 

         * @return a new layer collection event

         */

        private LayerEvent(FLayer default1, String property, int eventType) {

                source = default1;

                this.property = property;

                setEventType(eventType);

        }

        /**

         * <p>Gets the layer affected.</p>

         *

         * @return the layer affected

         */

        public FLayer getSource() {

                return source;

        }

        /**

         * <p>Sets the layer affected.</p>

         *

         * @param the layer affected

         */

        public void setSource(FLayer source) {

                this.source = source;

        }

        /**

         * <p>Gets the property that has changed.</p>

         *

         * @return the property that has changed

         */

        public String getProperty() {

                return property;

        }

        /**

         * <p>Sets the property that has changed.</p>

         *

         * @param the property that has changed

         */

        public void setProperty(String property) {

                this.property = property;

        }

}