| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2009 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.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2004-2009 IVER TI

*   

*/

package org.gvsig.app.project;

import java.awt.geom.Rectangle2D;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.Persistent;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 *

 * @author 2006-2009 Jose Manuel Vivo

 * @author 2005-         Vicente Caballero

 * @author 2009-         Joaquin del Cerro

 * 

 */

public class ProjectExtent implements Persistent {

        private static final GeometryManager geomManager = GeometryLocator.getGeometryManager();

        private static final Logger logger = LoggerFactory.getLogger(ProjectExtent.class);

    public static final String PERSISTENCE_DEFINITION_NAME = "org.gvsig.app.project.ProjectExtent";

        private Envelope extent;

    private String description;

    public ProjectExtent() {

            this.extent = null;

            this.description = null;

    }

    public String getDescription() {

        return description;

    }

    public void setDescription(String string) {

        description = string;

    }

    public Envelope getExtent() {

            if( this.extent == null ) {

                    try {

                                this.extent = geomManager.createEnvelope(Geometry.SUBTYPES.GEOM2D);

                        } catch (CreateEnvelopeException e) {

                                logger.warn("Can't create envelop.", e);

                        }

            }

            return this.extent;

    }

    public void setExtent(Envelope envelope) {

        this.extent = envelope;

    }

    /**

     * @deprecated use {link {@link #setExtent(Envelope)}

     */

    public void setExtent(Rectangle2D rectangle2D) {

        try {

                        this.extent = geomManager.createEnvelope(

                                        rectangle2D.getMinX(),

                                        rectangle2D.getMinY(),

                                        rectangle2D.getMaxX(),

                                        rectangle2D.getMaxY(),

                                        Geometry.SUBTYPES.GEOM2D);

                } catch (CreateEnvelopeException e) {

                        logger.warn("Can't create envelope.", e);

                        throw new RuntimeException("Can't create envelope.",e);

                }

    }

    public String getEncuadre() {

            Point lower = extent.getLowerCorner();

            Point upper = extent.getUpperCorner();

            return lower.getX() + "," + lower.getY() + "," + upper.getX() + "," + upper.getY(); 

    }

    public void setEncuadre(String encuadre) {

        String[] coords = encuadre.split(",");

        try {

                        this.extent = geomManager.createEnvelope(

                                        Double.parseDouble(coords[0]),

                                        Double.parseDouble(coords[1]),

                                        Double.parseDouble(coords[2]),

                                        Double.parseDouble(coords[3]),

                                        Geometry.SUBTYPES.GEOM2D);

                } catch (NumberFormatException e) {

                        logger.warn("Incorrect format string.", e);

                        throw new RuntimeException("Incorrect format string.",e);

                } catch (CreateEnvelopeException e) {

                        logger.warn("Can't create envelope.", e);

                        throw new RuntimeException("Can't create envelope.",e);

                }

    }

    /**

     * @see java.lang.Object#toString()

     */

    public String toString() {

        return description;

    }

    public void loadFromState(PersistentState state)

                        throws PersistenceException {

                this.extent = (Envelope) state.get("envelope");

                this.description = state.getString("description");

        }

        public void saveToState(PersistentState state) throws PersistenceException {

        state.set("description", description);

        state.set("envelope", extent);

        }

    /**

     * 

     */

    public static void registerPersistent() {

        PersistenceManager manager = ToolsLocator.getPersistenceManager();

        DynStruct definition = manager.getDefinition(PERSISTENCE_DEFINITION_NAME);

        if ( definition == null ){

            definition = manager.addDefinition(

                ProjectExtent.class,

                PERSISTENCE_DEFINITION_NAME,

                PERSISTENCE_DEFINITION_NAME + "  persistence definition",

                    null, 

                    null

            );

            definition.addDynFieldObject("envelope").setMandatory(true).setClassOfValue(Envelope.class);

            definition.addDynFieldString("description").setMandatory(true);

        }        

    }

}