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.exportto.swing.prov.generic.panel;

import java.awt.BorderLayout;

import javax.swing.JList;

import javax.swing.JScrollPane;

import javax.swing.ListModel;

import javax.swing.event.ListSelectionListener;

import org.gvsig.exportto.swing.prov.generic.ExporttoGenericProvider;

import org.gvsig.exportto.swing.spi.ExporttoPanelValidationException;

/**

 * @author gvSIG Team

 * @version $Id$

 * 

 */

public abstract class AbstractProviderPanel extends

    AbstractExporttoGenericPanel {

    private static final long serialVersionUID = -3344421488964340688L;

    private JList dalProviderList = null;

    private JScrollPane scrollPane = null;

    public AbstractProviderPanel(

        ExporttoGenericProvider exporttoGenericProvider, ListModel listModel) {

        super(exporttoGenericProvider);

        initializeComponents(listModel);

    }

    private void initializeComponents(ListModel listModel) {

        this.setLayout(new BorderLayout());

        // Create the list

        dalProviderList = new JList();

        dalProviderList.setModel(listModel);

        scrollPane = new JScrollPane();

        scrollPane.setViewportView(dalProviderList);

        this.add(scrollPane, BorderLayout.CENTER);

    }

    protected void setModel(ListModel listModel) {

        dalProviderList.setModel(listModel);

    }

    public String getSelectedProvider() {

        Object obj = dalProviderList.getSelectedValue();

        if (obj != null) {

            return (String) obj;

        }

        return null;

    }

    public void AddListSelectionListener(

        ListSelectionListener listSelectionListener) {

        this.dalProviderList.addListSelectionListener(listSelectionListener);

    }

    @Override

    public boolean isValidPanel() throws ExporttoPanelValidationException {

        if (getSelectedProvider() == null) {

            throw new ExporttoPanelValidationException(

                "A provider has to be selected");

        }

        return true;

    }

}