| gvSIG desktop 1

/*

 * Created on 03-jul-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: ReprojectGeoprocessController.java 6179 2006-07-04 16:43:18Z azabala $

* $Log$

* Revision 1.2  2006-07-04 16:43:18  azabala

* *** empty log message ***

*

* Revision 1.1  2006/07/03 20:28:29  azabala

* *** empty log message ***

*

*

*/

package com.iver.cit.gvsig.geoprocess.impl.reproject;

import java.io.File;

import java.util.HashMap;

import org.cresques.cts.IProjection;

import com.iver.andami.PluginServices;

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

import com.iver.cit.gvsig.fmap.edition.IWriter;

import com.iver.cit.gvsig.fmap.edition.ShpSchemaManager;

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

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

import com.iver.cit.gvsig.geoprocess.core.fmap.AbstractGeoprocessController;

import com.iver.cit.gvsig.geoprocess.core.fmap.GeoprocessException;

import com.iver.cit.gvsig.geoprocess.core.fmap.IGeoprocess;

import com.iver.cit.gvsig.geoprocess.core.gui.AddResultLayerTask;

import com.iver.cit.gvsig.geoprocess.core.gui.IGeoprocessPanel;

import com.iver.cit.gvsig.geoprocess.impl.reproject.fmap.ReprojectGeoprocess;

import com.iver.cit.gvsig.geoprocess.impl.reproject.gui.GeoprocessingReprojectPanel;

import com.iver.cit.gvsig.geoprocess.impl.xyshift.fmap.XYShiftGeoprocess;

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

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

public class ReprojectGeoprocessController extends AbstractGeoprocessController {

        private GeoprocessingReprojectPanel panel;

        private ReprojectGeoprocess reproject;

        public void setView(IGeoprocessPanel viewPanel) {

                this.panel = (GeoprocessingReprojectPanel) viewPanel;

        }

        public IGeoprocess getGeoprocess() {

                return new ReprojectGeoprocess();

        }

        public boolean launchGeoprocess() {

                FLyrVect inputLayer = panel.getInputLayer();

                FLayers layers = panel.getFLayers();

                File outputFile = panel.getOutputFile();

                if (outputFile == null || (outputFile.getAbsolutePath().length() == 0)) {

                        String error = PluginServices.getText(this, "Error_entrada_datos");

                        String errorDescription = PluginServices.getText(this, "Error_seleccionar_resultado");

                        panel.error(errorDescription, error);

                        return false;

                }

                if (outputFile.exists()) {

                        if (!panel.askForOverwriteOutputFile(outputFile)) {

                                return false;

                        }

                }

                reproject = (ReprojectGeoprocess) getGeoprocess();

                reproject.setFirstLayer(inputLayer);

                SHPLayerDefinition definition = 

                        (SHPLayerDefinition) reproject.createLayerDefinition();

                definition.setFile(outputFile);

                ShpSchemaManager schemaManager = new ShpSchemaManager(outputFile.getAbsolutePath());

                IWriter writer = null;

                try {

                        writer = getShpWriter(definition);

                } catch (Exception e1) {

                        String error = PluginServices.getText(this, "Error_escritura_resultados");

                        String errorDescription = PluginServices.getText(this, "Error_preparar_escritura_resultados");

                        panel.error(errorDescription, error);

                        return false;

                } 

                reproject.setResultLayerProperties(writer, schemaManager);

                HashMap params = new HashMap();

                boolean onlySelected = panel.isFirstOnlySelected();

                params.put("firstlayerselection", new Boolean(onlySelected));

                IProjection projection = panel.getTargetProjection();

                IProjection previousProj = inputLayer.getProjection();

                if(previousProj.equals(projection)){

                        String error = PluginServices.getText(this, "Error_entrada_datos");

                        String errorDesc = PluginServices.getText(this, "Error_proyecciones_iguales");

                        panel.error(errorDesc, error);

                        return false;

                }

                params.put("targetProjection", projection);

                try {

                        reproject.setParameters(params);

                        reproject.checkPreconditions();

                        IMonitorableTask task1 = reproject.createTask();

                        if(task1 == null){

                                return false;

                        }

                        AddResultLayerTask task2 = new AddResultLayerTask(reproject);

                        task2.setLayers(layers);

                        MonitorableDecoratorMainFirst globalTask = new MonitorableDecoratorMainFirst(task1,

                                        task2);

                        if (globalTask.preprocess())

                                PluginServices.cancelableBackgroundExecution(globalTask);

                } catch (GeoprocessException e) {

                        String error = PluginServices.getText(this, "Error_ejecucion");

                        String errorDescription = PluginServices.getText(this, "Error_fallo_geoproceso");

                        panel.error(errorDescription, error);

                        return false;

                }

                return true;

        }

}