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svn-gvsig-desktop / tags / v1_0_2_Build_903+3D / applications / appgvSIG / src / com / iver / cit / gvsig / gui / wizards / LayerListModel.java @ 10722

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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig.gui.wizards;
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import java.util.ArrayList;
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import java.util.Collection;
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import javax.swing.AbstractListModel;
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/**
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 * DOCUMENT ME!
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 *
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 * @author Fernando Gonz?lez Cort?s
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 */
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public class LayerListModel extends AbstractListModel {
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    private ArrayList nodos = new ArrayList();
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    /**
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     * DOCUMENT ME!
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     *
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     * @param elemento DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public boolean addElement(LayerInfo elemento) {
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        if (elemento == null) {
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            return false;
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        }
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        for (int i = 0; i < nodos.size(); i++) {
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            if (((LayerInfo) nodos.get(i)).equals(elemento)) {
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                return false;
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            }
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        }
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        nodos.add(elemento);
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        fireContentsChanged(this, nodos.size() - 1, nodos.size() - 1);
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        return true;
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    }
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        public void clear(){
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                nodos.clear();
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                fireContentsChanged(this, 0, 0);
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        }
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    /**
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     * DOCUMENT ME!
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     *
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     * @param index DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public LayerInfo delElement(int index) {
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        LayerInfo ret = (LayerInfo) nodos.remove(index);
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        this.fireContentsChanged(this, index, index);
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        return ret;
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @param c DOCUMENT ME!
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     */
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    public void delElements(Collection c) {
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        nodos.removeAll(c);
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        this.fireContentsChanged(this, 0, nodos.size());
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    }
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    /**
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     * @see javax.swing.ListModel#getSize()
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     */
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    public int getSize() {
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        return nodos.size();
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    }
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    /**
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     * @see javax.swing.ListModel#getElementAt(int)
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     */
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    public Object getElementAt(int index) {
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        return ((LayerInfo) nodos.get(index)).text;
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public LayerInfo[] getElements() {
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        return (LayerInfo[]) nodos.toArray(new LayerInfo[0]);
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    }
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    /**
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     * DOCUMENT ME!
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     *
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     * @param index DOCUMENT ME!
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     *
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     * @return DOCUMENT ME!
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     */
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    public LayerInfo getLayerInfo(int index) {
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        return (LayerInfo) nodos.get(index);
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    }
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}