source: josm/trunk/src/org/openstreetmap/josm/actions/downloadtasks/DownloadGpsTask.java@ 1148

// License: GPL. Copyright 2007 by Immanuel Scholz and others
package org.openstreetmap.josm.actions.downloadtasks;

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

import java.io.IOException;

import javax.swing.JCheckBox;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.DownloadAction;
import org.openstreetmap.josm.gui.PleaseWaitRunnable;
import org.openstreetmap.josm.gui.download.DownloadDialog.DownloadTask;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.gui.layer.GpxLayer;
import org.openstreetmap.josm.data.gpx.GpxData;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.io.BoundingBoxDownloader;
import org.xml.sax.SAXException;

public class DownloadGpsTask implements DownloadTask {

        private static class Task extends PleaseWaitRunnable {
                private BoundingBoxDownloader reader;
                private GpxData rawData;
                private final boolean newLayer;

                public Task(boolean newLayer, BoundingBoxDownloader reader) {
                        super(tr("Downloading GPS data"));
                        this.reader = reader;
                        this.newLayer = newLayer;
                }

                @Override public void realRun() throws IOException, SAXException {
                        rawData = reader.parseRawGps();
                }

                @Override protected void finish() {
                        if (rawData == null)
                                return;
                        rawData.recalculateBounds();
                        Bounds b = rawData.bounds;
                                                String name = b.min.lat() + " " + b.min.lon() + " x " + b.max.lat() + " " + b.max.lon();
                                                GpxLayer layer = new GpxLayer(rawData, name);
                        if (newLayer || findMergeLayer() == null)
                    Main.main.addLayer(layer);
                        else
                                findMergeLayer().mergeFrom(layer);
                }

                private Layer findMergeLayer() {
                        if (Main.map == null)
                                return null;
                Layer active = Main.map.mapView.getActiveLayer();
                if (active != null && active instanceof GpxLayer)
                        return active;
                for (Layer l : Main.map.mapView.getAllLayers())
                                if (l instanceof GpxLayer)
                                return l;
                return null;
        }

                @Override protected void cancel() {
                        if (reader != null)
                                reader.cancel();
                }
        }

        private JCheckBox checkBox = new JCheckBox(tr("Raw GPS data"));

        public void download(DownloadAction action, double minlat, double minlon, double maxlat, double maxlon) {
                Task task = new Task(action.dialog.newLayer.isSelected(), new BoundingBoxDownloader(minlat, minlon, maxlat, maxlon));
                Main.worker.execute(task);
        }

        public JCheckBox getCheckBox() {
            return checkBox;
    }

        public String getPreferencesSuffix() {
            return "gps";
    }

    public void loadUrl(boolean a,java.lang.String b) { 
        // FIXME this is not currently used
    }
}