Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.app.project.documents.view.gui;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.util.ArrayList;

import java.util.List;

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 List<ListDataListener> listeners =

        new ArrayList<ListDataListener>();

    public ExtentListSelectorModel(Project p) {

        project = p;

    }

    public int getSize() {

        return project.getExtents().length;

    }

    public Object getElementAt(int arg0) {

        return project.getExtents()[arg0];

    }

    public void addListDataListener(ListDataListener arg0) {

        listeners.add(arg0);

    }

    public void removeListDataListener(ListDataListener arg0) {

        listeners.remove(arg0);

    }

    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++) {

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

            }

        } else {

            ListDataEvent event =

                new ListDataEvent(this, ListDataEvent.INTERVAL_REMOVED, 0,

                    getSize());

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

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

            }

        }

    }

}