source: osm/applications/editors/josm/plugins/surveyor/src/livegps/LiveGpsDialog.java@ 2974

/**
 * 
 */
package livegps;

import static org.openstreetmap.josm.tools.I18n.tr;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.coor.EastNorth;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.gui.MapFrame;
import org.openstreetmap.josm.gui.dialogs.ToggleDialog;

/**
 * @author cdaller
 *
 */
public class LiveGpsDialog extends ToggleDialog implements PropertyChangeListener {
    private static final long serialVersionUID = 6183400754671501117L;
    private JLabel statusLabel;
    private JLabel wayLabel;
    private JLabel latLabel;
    private JLabel longLabel;
    private JLabel courseLabel;
    private JLabel speedLabel;
    private JPanel panel;

    /**
     * @param name
     * @param iconName
     * @param tooltip
     * @param shortCut
     * @param preferredHeight
     */
    public LiveGpsDialog(final MapFrame mapFrame) {
        super(tr("Live GPS"), "livegps", tr("Show GPS data."), KeyEvent.VK_G, 100);
        panel = new JPanel();
        panel.setLayout(new GridLayout(6,2));
        panel.add(new JLabel(tr("Status")));
        panel.add(statusLabel = new JLabel());
        panel.add(new JLabel(tr("Way Info")));
        panel.add(wayLabel = new JLabel());
        panel.add(new JLabel(tr("Latitude")));
        panel.add(latLabel = new JLabel());
        panel.add(new JLabel(tr("Longitude")));
        panel.add(longLabel = new JLabel());
        panel.add(new JLabel(tr("Speed")));
        panel.add(speedLabel = new JLabel());
        panel.add(new JLabel(tr("Course")));
        panel.add(courseLabel = new JLabel());
        add(new JScrollPane(panel), BorderLayout.CENTER);
    }
    
    /* (non-Javadoc)
     * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
     */
    public void propertyChange(PropertyChangeEvent evt) {
        if (!isVisible())
            return;
        if("gpsdata".equals(evt.getPropertyName())) {
            LiveGpsData data = (LiveGpsData) evt.getNewValue();
            if(data.isFix()) {
//                fixLabel.setText("fix");
                panel.setBackground(Color.WHITE);
                latLabel.setText(data.getLatitude() + "deg");
                longLabel.setText(data.getLongitude() + "deg");
                speedLabel.setText((data.getSpeed() * 3.6f) + "km/h"); // m(s to km/h
                courseLabel.setText(data.getCourse() + "deg");
                
                EastNorth eastnorth = Main.proj.latlon2eastNorth(data.getLatLon()); 
                Point xy = Main.map.mapView.getPoint(eastnorth); 
                Way way = Main.map.mapView.getNearestWay(xy);
                if(way != null) {
                    String label = way.get("name") + " (" + way.get("highway") + ")";
                    wayLabel.setText(label);
                } else {
                    wayLabel.setText("unknown");
                }
                
            } else {
//                fixLabel.setText("no fix");
                latLabel.setText("");
                longLabel.setText("");
                speedLabel.setText("");
                courseLabel.setText("");
                panel.setBackground(Color.RED);
            }
        } else if ("gpsstatus".equals(evt.getPropertyName())) {
            LiveGpsStatus status = (LiveGpsStatus) evt.getNewValue();
            statusLabel.setText(status.getStatusMessage());
            if(status.getStatus() != LiveGpsStatus.GpsStatus.CONNECTED) {
                panel.setBackground(Color.RED);
            } else {
                panel.setBackground(Color.WHITE);                
            }
        }
        
    }



}