Application: gvSIG desktop » gvSIG projections

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2012 gvSIG Association.

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.proj.swing.impl;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JComponent;

import javax.swing.event.ListDataEvent;

import javax.swing.event.ListDataListener;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.proj.CoordinateReferenceSystem;

import org.gvsig.proj.CoordinateReferenceSystemNotFoundException;

import org.gvsig.proj.swing.CoordinateReferenceSystemSelectorComponent;

import org.gvsig.proj.swing.CoordinateReferenceSystemSwingManager;

/**

 * Default implementation for the

 * {@link CoordinateReferenceSystemSelectorComponent}.

 * 

 * @author gvSIG Team

 * @version $Id$

 */

public class DefaultCoordinateReferenceSystemSelectorComponent extends DefaultCoordinateReferenceSystemSelectorComponentView

    implements CoordinateReferenceSystemSelectorComponent {

    private static final Logger LOG = LoggerFactory

        .getLogger(DefaultCoordinateReferenceSystemSelectorComponent.class);

    private static final long serialVersionUID = 2965442763236823977L;

    private final CoordinateReferenceSystemSwingManager uimanager;

    private CodeListModel codeModel;

    private AuthorityComboBoxModel authorityModel;

    public DefaultCoordinateReferenceSystemSelectorComponent(

        final DefaultCoordinateReferenceSystemSwingManager uimanager) {

        this.uimanager = uimanager;

        this.initComponents();

    }

    private void initComponents() {

        this.lblAutority.setText(uimanager.getTranslation("authority") + ":");

        this.lblCode.setText(uimanager.getTranslation("code") + ":");

        this.lblDefinition.setText(uimanager.getTranslation("definition") + ":");

        this.btnSearch.setText(uimanager.getTranslation("Search"));

        authorityModel = new AuthorityComboBoxModel(uimanager.getManager());

        this.cboAuthority.setModel(authorityModel);

        codeModel = new CodeListModel(uimanager.getManager(), authorityModel);

        this.lstCodes.setModel(codeModel);

        codeModel.addListDataListener(new ListDataListener() {

            @Override

            public void intervalRemoved(ListDataEvent e) {

                // Nothing to do

            }

            @Override

            public void intervalAdded(ListDataEvent e) {

                // Nothing to do

            }

            @Override

            public void contentsChanged(ListDataEvent e) {

                // A new code has been selected

                txtDefinition.setText("");

                CoordinateReferenceSystem crs =

                    getSelectedCoordinateReferenceSystem();

                if (crs != null) {

                    txtDefinition.setText(crs.getDefinition());

                }

            }

        });

        this.btnSearch.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent ae) {

                codeModel.applyFilter(txtCode.getText());

            }

        });

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

    @Override

    public Dimension getPreferredSize() {

        Dimension dim = super.getPreferredSize();

        if( dim.width<350 ) {

            dim.width = 350;

        }

        return dim; 

    }

    public CoordinateReferenceSystem getSelectedCoordinateReferenceSystem() {

        CoordinateReferenceSystem crs = null;

        String authority = authorityModel.getSelectedAuthority();

        String code = (String) this.lstCodes.getSelectedValue();

        if (authority != null && code != null) {

            try {

                crs = uimanager.getManager().getCoordinateReferenceSystem(

                        authority, code

                );

            } catch (CoordinateReferenceSystemNotFoundException e) {

                LOG.error("Could not find CRS with authority: " + authority

                    + " and code: " + code, e);

            }

        }

        return crs;

    }

    public void setCoordinateReferenceSystem(CoordinateReferenceSystem crs) {

        if (crs != null) {

            authorityModel.setSelectedAuthority(crs.getAuthorityName());

            this.lstCodes.setSelectedValue(crs.getCode(), true);

        }

    }

}