Application: gvSIG desktop

/*

 * Created on 03-may-2006

 *

 * 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

 */

/* CVS MESSAGES:

*

* $Id: CreateSpatialIndexMonitorableTask.java 12826 2007-07-30 12:56:04Z jaume $

* $Log$

* Revision 1.4  2007-07-30 12:56:04  jaume

* organize imports, java 5 code downgraded to 1.4 and added PictureFillSymbol

*

* Revision 1.3  2007/05/15 07:22:56  cesar

* Add the finished method for execution from Event Dispatch Thread

*

* Revision 1.2  2007/03/06 16:37:08  caballero

* Exceptions

*

* Revision 1.1  2006/09/15 10:41:30  caballero

* extensibilidad de documentos

*

* Revision 1.2  2006/05/22 10:35:41  fjp

* Monitorable tasks easy

*

* Revision 1.1  2006/05/08 15:41:06  azabala

* added rtree spatial indexing capabilities

*

*

*/

package com.iver.cit.gvsig.project.documents.view.legend;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.hardcode.gdbms.engine.data.driver.DriverException;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.iver.utiles.swing.threads.CancellableMonitorable;

import com.iver.utiles.swing.threads.DefaultCancellableMonitorable;

import com.iver.utiles.swing.threads.IMonitorableTask;

public class CreateSpatialIndexMonitorableTask implements IMonitorableTask{

        String MAIN_MESSAGE;

        String HULL_MESSAGE = PluginServices.getText(this, "Indexando");

        String OF = "de";

        FLyrVect layer;

        /**

         * It monitors advance of indexing process

         */

        private CancellableMonitorable cancelMonitor = null;

        /**

         * flag to tell if the process is finished

         */

        private boolean finished = false;

        /**

         * Default constructor

         * @throws DriverIOException

         * @throws DriverException

         */

        public CreateSpatialIndexMonitorableTask(FLyrVect layer) throws ReadDriverException{

                this.layer = layer;

                MAIN_MESSAGE = PluginServices.getText(this, "Indexando_espacialmente") +

                                                                layer.getName();

                cancelMonitor = createCancelMonitor();

        }

        /**

         * Creates a CancellableMonitorable instance to monitor

         * progress and to cancel the process.

         * @return

         * @throws DriverIOException

         * @throws DriverException

         */

        private CancellableMonitorable createCancelMonitor()

                                throws ReadDriverException {

                DefaultCancellableMonitorable monitor =

                        new DefaultCancellableMonitorable();

                monitor.setInitialStep(0);

                monitor.setDeterminatedProcess(true);

                int numSteps = ((FLyrVect)layer).getSource().getShapeCount();

                monitor.setFinalStep(numSteps);

                return monitor;

        }

        public void run() throws Exception {

                ((FLyrVect)layer).createSpatialIndex(cancelMonitor);

                finished = true;

        }

        public int getInitialStep() {

                return cancelMonitor.getInitialStep();

        }

        public int getFinishStep() {

                return cancelMonitor.getFinalStep();

        }

        public int getCurrentStep() {

                return cancelMonitor.getCurrentStep();

        }

        public String getStatusMessage() {

                return MAIN_MESSAGE;

        }

        public String getNote() {

                return HULL_MESSAGE + " " +

                getCurrentStep()+ " " +

                OF  + " "+

                getFinishStep();

        }

        //FIXME Borrar los ficheros de indice en caso de cancelacion

        public void cancel() {

                ((DefaultCancellableMonitorable) cancelMonitor).setCanceled(true);

        }

        /**

         * Tells if it is a defined process (we know its number of steps)

         */

        public boolean isDefined() {

                return true;

        }

        public boolean isCanceled() {

                return cancelMonitor.isCanceled();

        }

        public boolean isFinished() {

                return finished;

        }

        /* (non-Javadoc)

         * @see com.iver.utiles.swing.threads.IMonitorableTask#finished()

         */

        public void finished() {

                // TODO Auto-generated method stub

        }

}//CreateSpatialIndexMonitorableTask