| gvSIG desktop 1

/* 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

 */

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

import java.awt.Cursor;

import java.awt.geom.Point2D;

import java.text.NumberFormat;

import org.cresques.cts.IProjection;

import org.gvsig.gui.beans.controls.combolabel.ComboCoords;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiFrame.MainFrame;

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

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

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

import com.iver.cit.gvsig.fmap.tools.BehaviorException;

import com.iver.cit.gvsig.fmap.tools.Events.PointEvent;

import com.iver.cit.gvsig.fmap.tools.Listeners.PointListener;

import com.iver.cit.gvsig.project.documents.layout.Attributes;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class StatusBarListener implements PointListener {

        private MapControl mapControl = null;

        private NumberFormat nf = null;

        /**

         * Crea un nuevo StatusBarListener.

         *

         * @param mc DOCUMENT ME!

         */

        public StatusBarListener(MapControl mc) {

                mapControl = mc;

                nf = NumberFormat.getInstance();

                nf.setMaximumFractionDigits(2);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()

         */

        public Cursor getCursor() {

                return null;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()

         */

        public boolean cancelDrawing() {

                return false;

        }

        /**

         * 050211, jmorell: M?todo modificado para mejorar la manera de mostrar las

         * coordenadas geod?sicas en la barra de estado. Muestra Lat y Lon y aumenta

         * el n?mero de decimales para cuando trabajemos en coordenadas geod?sicas.

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

         */

        public void point(PointEvent event) throws BehaviorException {

                String[] axisText = new String[2];

                axisText[0] = "X = ";

                axisText[1] = "Y = ";

                Point2D p = mapControl.getMapContext().getViewPort().toMapPoint(event.getPoint());

                setFractionDigits(p);

                axisText = setCoorDisplayText(axisText);

                MainFrame mF = PluginServices.getMainFrame();

                if (mF != null){

                        mF.getStatusBar().setMessage("units",

                            PluginServices.getText(this, FConstant.NAMES[mapControl.getMapContext().getViewPort().getDistanceUnits()]));

            // FJP: No se debe llamar a setControlValue desde aqu?, porque

            // cambia la escala, y con ella el viewPort (adem?s, de

            // la vista que no es).

            // mF.getStatusBar().setControlValue("scale",String.valueOf(mapControl.getMapContext().getScaleView()));

            // Fin

                        mF.getStatusBar().setMessage("projection", mapControl.getViewPort().getProjection().getAbrev());

                        String[] coords=getCoords(p);

//                        mF.getStatusBar().setMessage("x",

//                                        axisText[0] + coords[0]);

//                        mF.getStatusBar().setMessage("y",

//                                        axisText[1] + coords[1]);

                        ComboCoords combocoords=(ComboCoords)PluginServices.getMainFrame().getComponentByName("coords");

                        combocoords.setLabelX(axisText[0]);

                        combocoords.setLabelY(axisText[1]);

                        combocoords.setValueX(coords[0]);

                        combocoords.setValueY(coords[1]);

                }

        }

        /**

         * Aumenta el n?mero de decimales visibles cuando trabajamos con coordeandas

         * geod?sicas. En concreto se a?aden 8 decimales, con lo que logramos una

         * definici?n subm?trica.

         * 050211, jmorell.

         * @param p

         */

        public void setFractionDigits(Point2D p) {

                IProjection iProj = mapControl.getMapContext().getProjection();

                if (!iProj.isProjected()) {

                        nf.setMaximumFractionDigits(8);

                } else {

                        nf.setMaximumFractionDigits(2);

                }

        }

        /**

         * Cambia X e Y por Lat y Lon enb la barra de estado cuando trabajamos con

         * coordenadas geod?sicas.

         * 050211, jmorell.

         * @param p

         */

        public String[] setCoorDisplayText(String[] axisText) {

                IProjection iProj = mapControl.getMapContext().getProjection();

                if (!iProj.isProjected() || mapControl.getViewPort().getDistanceUnits()==Attributes.NAMES.length-1) {

                        axisText[0] = "Lon = ";

                        axisText[1] = "Lat = ";

                } else {

                        axisText[0] = "X = ";

                        axisText[1] = "Y = ";

                }

                return axisText;

        }

        private String formatDegrees(double d) {

                String signo = d<0 ? "-" : "";

                d = Math.abs(d);

                long grado = 0;

                double minuto = 0;

                double segundo = 0;

                grado = (long)(d);

                minuto = (d - grado) * 60;

                segundo = (minuto - (long) minuto)*60;

//                System.out.println("Grados: " + grado);

//                System.out.println("Minutos: " + minuto);

//                System.out.println("Segundos: " + segundo);

                return signo+grado+"? "+(long) minuto+"' "+(long)segundo+"''";

        }

        public String[] getCoords(Point2D p) {

                String[] coords=new String[2];

                IProjection iProj = mapControl.getMapContext().getProjection();

                if (!iProj.isProjected()) {

                        coords[0]=String.valueOf(formatDegrees(p.getX()));

                        coords[1]=String.valueOf(formatDegrees(p.getY()));

                } else {

                        if (mapControl.getViewPort().getDistanceUnits()==Attributes.NAMES.length-1) {

                                Point2D pgeo=iProj.toGeo(p);

                                coords[0]=String.valueOf(formatDegrees(pgeo.getX()));

                                coords[1]=String.valueOf(formatDegrees(pgeo.getY()));

                        }else {

                                coords[0]=String.valueOf(nf.format((p.getX()/MapContext.CHANGEM[mapControl.getViewPort().getDistanceUnits()])*MapContext.CHANGEM[mapControl.getViewPort().getMapUnits()]));

                                coords[1]=String.valueOf(nf.format((p.getY()/MapContext.CHANGEM[mapControl.getViewPort().getDistanceUnits()])*MapContext.CHANGEM[mapControl.getViewPort().getMapUnits()]));

                        }

                }

                return coords;

        }

        public void pointDoubleClick(PointEvent event) throws BehaviorException {

                // TODO Auto-generated method stub

        }

}