| 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.app.project.documents.view.gui;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.util.ArrayList;

import javax.swing.ListModel;

import javax.swing.event.ListDataEvent;

import javax.swing.event.ListDataListener;

import org.gvsig.app.project.Project;

public class ExtentListSelectorModel implements ListModel, PropertyChangeListener {

        private Project project;

        private ArrayList listeners = new ArrayList();

        public ExtentListSelectorModel(Project p){

                project = p;

        }

        /**

         * @see javax.swing.ListModel#getSize()

         */

        public int getSize() {

                return project.getExtents().length;

        }

        /**

         * @see javax.swing.ListModel#getElementAt(int)

         */

        public Object getElementAt(int arg0) {

                return project.getExtents()[arg0];

        }

        /* (non-Javadoc)

         * @see javax.swing.ListModel#addListDataListener(javax.swing.event.ListDataListener)

         */

        public void addListDataListener(ListDataListener arg0) {

                listeners.add(arg0);

        }

        /**

         * @see javax.swing.ListModel#removeListDataListener(javax.swing.event.ListDataListener)

         */

        public void removeListDataListener(ListDataListener arg0) {

                listeners.remove(arg0);

        }

        /* (non-Javadoc)

         * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)

         */

        public void propertyChange(PropertyChangeEvent change) {

                if (change.getPropertyName().equals("addExtent")){

                        ListDataEvent event = new ListDataEvent(this, ListDataEvent.INTERVAL_ADDED, 0, getSize());

                        for (int i = 0; i < listeners.size(); i++){

                                ((ListDataListener) listeners.get(i)).intervalAdded(event);

                        }

                }else{

                        ListDataEvent event = new ListDataEvent(this, ListDataEvent.INTERVAL_ADDED, 0, getSize());

                        for (int i = 0; i < listeners.size(); i++){

                                ((ListDataListener) listeners.get(i)).intervalRemoved(event);

                        }

                }

        }

}