Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 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: GPSExtension.java 7317 2006-09-18 08:02:46Z jaume $

* $Log$

* Revision 1.15  2006-09-18 08:02:46  jaume

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* Revision 1.11  2006/07/31 06:46:02  jaume

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* Revision 1.9  2006/05/02 15:57:53  jorpiell

* Se ha cambiado la interfaz Extension por dos clases: una interfaz (IExtension) y una clase abstract(Extension). A partir de ahora todas las extensiones deben heredar de Extension

*

* Revision 1.8  2006/04/10 11:21:52  jaume

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package org.gvsig.gps;

import java.awt.Color;

import java.awt.geom.Point2D;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

import java.util.ArrayList;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.cts.ProjectionPool;

import org.gvsig.gps.panel.GPSControlPanel;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.core.FPoint2D;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

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

import com.iver.cit.gvsig.fmap.rendering.FGraphic;

import com.iver.cit.gvsig.project.documents.view.gui.View;

public class GPSExtension extends Extension{

        public void execute(String actionCommand) {

                if (actionCommand.equals("GPS_CONTROL_PANEL"))

                        PluginServices.getMDIManager().addWindow(GPSControlPanel.getInstance());

                else if (actionCommand.equals("PAINT_POINTS")) {

                        paintPointsFromFile(null, null, new File("c:/gps-capture"));

                }

        }

        public boolean isEnabled() {

                return true;

        }

        public boolean isVisible() {

                return true;

        }

        /**

         * Takes an array of gvSIG views and draws an symbol in the specified location.

         * If views[] is empty (vies.length == 0) then no drawing in applied.

         * If views[] is null, then the symbol is drawn in every view in the project.

         * If the symbol is null, then a simple point is used as symbol.

         * @param views

         * @param location

         * @param symbol

         * @param refreshing, tells if the view will be refreshed (old points will be removed)

         */

        public void drawSymbol(View[] views, FSymbol symbol, Point2D location, boolean refreshing) {

                if (location == null || location.getX()==0 || location.getY()==0) return;

                if (views == null)

                {

                        IWindow[] aViews = PluginServices.getMDIManager().getAllWindows();

                        ArrayList gvViews = new ArrayList();

                        for (int i = 0; i < aViews.length; i++) {

                                if (aViews[i] instanceof View) {

                                        gvViews.add((View) aViews[i]);

                                }

                        }

                        views = (View[]) gvViews.toArray(new View[0]);

                }

                if (symbol == null) {

                        symbol = new FSymbol(FShape.CIRCLE, Color.ORANGE);

                        symbol.setSizeInPixels(true);

                        symbol.setSize(10);

                }

                for (int i = 0; i < views.length; i++) {

                        MapControl mc = views[i].getMapControl();

                        GraphicLayer graph = mc.getMapContext().getGraphicsLayer();

                        if (refreshing) {

                                // Remove old graphics

                                graph.clearAllGraphics();

                                graph.clearSymbolsGraphics();

                                mc.drawGraphics();

                        }

                        // Obtain the current view's projection

                        IProjection reqProj = mc.getProjection();

                        // the geodesic projection

                        IProjection latLonProj = ProjectionPool.get("EPSG:4326");

                        // create a translator from geodesic to the current view's projection

                        ICoordTrans ct = latLonProj.getCT(reqProj);

                        Point2D pDst = new Point2D.Double();

                        // reproject the point

                        pDst = ct.convert(location, pDst);

                        // add and draw the FSymbol to the reprojected location.

                        graph.addSymbol(symbol);

                        graph.addGraphic(new FGraphic(ShapeFactory.createPoint2D(new FPoint2D(pDst)), 0));

                        mc.drawGraphics();

                }

        }

        private void paintPointsFromFile(View[] views, FSymbol symbol, File f){

                try {

                        BufferedReader br = new BufferedReader(new FileReader(f));

                        String line;

                        for (line = br.readLine(); line!=null; line = br.readLine()){

                                String[] numbers = line.split(",");

                                double lon = Double.parseDouble(numbers[0]);

                                double lat = Double.parseDouble(numbers[1]);

                                drawSymbol(views, symbol, new Point2D.Double(lon, lat), false);

                        }

                } catch (Exception e) {

                        e.printStackTrace();

                }

        }

        public void initialize() {

        }

}