Application: gvSIG desktop » gvSIG raster

/* 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.raster.tools.app.basic.raster.gui.wizard;

import java.awt.Component;

import java.util.Map;

import javax.swing.JOptionPane;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.prepareAction.PrepareContext;

import org.gvsig.app.prepareAction.PrepareContextView;

import org.gvsig.app.prepareAction.PrepareDataStoreParameters;

import org.gvsig.app.prepareAction.PrepareLayer;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters;

import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters;

import org.gvsig.fmap.dal.exception.CloseException;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.raster.fmap.layers.DefaultFLyrRaster;

import org.gvsig.raster.fmap.layers.FLyrRaster;

import org.gvsig.tools.exception.BaseException;

public class PrepareLayerAskUsingTiles implements PrepareDataStoreParameters, PrepareLayer {

        private boolean askMe    = true;

        private boolean answer   = false;

        /*

         * (non-Javadoc)

         * @see org.gvsig.app.prepareAction.PrepareDataStoreParameters#prepare(org.gvsig.fmap.dal.DataStoreParameters, org.gvsig.app.prepareAction.PrepareContext)

         */

        public DataStoreParameters prepare(DataStoreParameters storeParameters,

                        PrepareContext context) throws BaseException {

                if(!(storeParameters instanceof RasterDataParameters))

                        return storeParameters;

                if(askMe)

                        messageBoxYesOrNot(PluginServices.getText(this, "tiled_layer"), null);

                if(answer) {

                        DataManager manager = DALLocator.getDataManager();

                        TileDataParameters tileParams = null;

                        tileParams = (TileDataParameters) manager.createStoreParameters("Tile Store");

                        ((FilesystemStoreParameters) tileParams).setFile(((FilesystemStoreParameters)storeParameters).getFile());

                        tileParams.setDataParameters(storeParameters);

                        return tileParams;

                }

                return storeParameters;

        }

        public void post(DataStoreParameters storeParameters, PrepareContext context) {

                askMe = true;

        }

        public void pre(DataStoreParameters storeParameters, PrepareContext context) {

        }

        public boolean askMe() {

                return askMe;

        }

        public void setAskMe(boolean askMe) {

                this.askMe = askMe;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.app.prepareAction.PrepareLayer#prepare(org.gvsig.fmap.mapcontext.layers.FLayer, org.gvsig.app.prepareAction.PrepareContextView)

         */

        public FLayer prepare(FLayer layer, PrepareContextView context) {

                if(layer instanceof FLyrRaster) {

                        FLyrRaster lyrRaster = (FLyrRaster)layer;

                        if(lyrRaster.getDataStore().getParameters() instanceof TileDataParameters) {

                                if(        lyrRaster.getFullEnvelope().getMinimum(0) == 0 &&

                                                lyrRaster.getFullEnvelope().getMinimum(1) == 0 &&

                                                lyrRaster.getFullEnvelope().getMaximum(0) == (lyrRaster).getPxWidth() &&

                                                lyrRaster.getFullEnvelope().getMaximum(1) == (lyrRaster).getPxHeight()) {

                                        MapContextManager mcm = MapContextLocator.getMapContextManager();

                                        try {

                                                FLyrRaster newLayer = (DefaultFLyrRaster) mcm.createLayer(lyrRaster.getName(), 

                                                                (DataStoreParameters)((TileDataParameters)lyrRaster.getDataStore().getParameters()).getDataParameters());

                                                lyrRaster.getDataStore().close();

                                                return newLayer;

                                        } catch (LoadLayerException e) {

                                                return lyrRaster;

                                        } catch (CloseException e) {

                                        }

                                }

                        }

                }

                return layer;

        }

        public void end(Object param) {

        }

        public String getDescription() {

                return "Prepare Tiles for Raster Layer";

        }

        public String getName() {

                return "PrepareRasterLayerAskUsingTiles";

        }

        public Object create() {

                return this;

        }

        public Object create(Object[] args) {

                return this;

        }

        @SuppressWarnings("unchecked")

        public Object create(Map args) {

                return this;

        }

        public void interrupted() {

        }

        /**

         * Muestra un dialogo con un texto y un bot?n Si o No.

         * @param msg Mensaje a mostrar en el dialogo.

         * @param parentWindow Ventana desde la que se lanza el dialogo

         * @return El bot?n seleccionado por el usuario. true si ha seleccionado "si"

         *         y false si ha seleccionado "no"

         */

        public void messageBoxYesOrNot(String msg, Object parentWindow){

                String string1 = PluginServices.getText(parentWindow, "yes");

                String string2 = PluginServices.getText(parentWindow, "no");

                String string3 = PluginServices.getText(parentWindow, "yes_dont_ask_more");

                String string4 = PluginServices.getText(parentWindow, "no_dont_ask_more");

                Object[] options = {string1, string2, string3, string4};

                int n = JOptionPane.showOptionDialog((Component)PluginServices.getMainFrame(),

                                        "<html>" + PluginServices.getText(parentWindow, msg).replaceAll("\n", "<br>") + "</html>",

                                        PluginServices.getText(parentWindow, "confirmacion"),

                                        JOptionPane.YES_NO_OPTION,

                                        JOptionPane.QUESTION_MESSAGE,

                                        null,

                                        options,

                                        string1);

                answer = false;

                if (n == 0) 

                        answer = true;

                if (n == 2) {

                        askMe = false;

                        answer = true;

                }

                if (n == 3) 

                        askMe = false;

        }

}