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.gui.wizard;

import java.util.ArrayList;

import java.util.Collection;

import javax.swing.AbstractListModel;

/**

 * DOCUMENT ME!

 *

 * @author Fernando Gonz?lez Cort?s

 */

public class LayerListModel extends AbstractListModel {

    private ArrayList nodos = new ArrayList();

    /**

     * DOCUMENT ME!

     *

     * @param elemento DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public boolean addElement(LayerInfo elemento) {

        if (elemento == null) {

            return false;

        }

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

            if (((LayerInfo) nodos.get(i)).equals(elemento)) {

                return false;

            }

        }

        nodos.add(elemento);

        fireContentsChanged(this, nodos.size() - 1, nodos.size() - 1);

        return true;

    }

        public void clear(){

                nodos.clear();

                fireContentsChanged(this, 0, 0);

        }

    /**

     * DOCUMENT ME!

     *

     * @param index DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public LayerInfo delElement(int index) {

        LayerInfo ret = (LayerInfo) nodos.remove(index);

        this.fireContentsChanged(this, index, index);

        return ret;

    }

    /**

     * DOCUMENT ME!

     *

     * @param c DOCUMENT ME!

     */

    public void delElements(Collection c) {

        nodos.removeAll(c);

        this.fireContentsChanged(this, 0, nodos.size());

    }

    /**

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

     */

    public int getSize() {

        return nodos.size();

    }

    /**

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

     */

    public Object getElementAt(int index) {

        return ((LayerInfo) nodos.get(index)).text;

    }

    /**

     * DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public LayerInfo[] getElements() {

        return (LayerInfo[]) nodos.toArray(new LayerInfo[0]);

    }

    /**

     * DOCUMENT ME!

     *

     * @param index DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public LayerInfo getLayerInfo(int index) {

        return (LayerInfo) nodos.get(index);

    }

}