// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.layer.gpx;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.GraphicsEnvironment;
import java.awt.event.ActionEvent;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.swing.AbstractAction;
import javax.swing.JOptionPane;
import org.openstreetmap.gui.jmapviewer.tilesources.AbstractTMSTileSource;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.AbstractMergeAction;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.gpx.GpxData;
import org.openstreetmap.josm.data.gpx.GpxTrack;
import org.openstreetmap.josm.data.gpx.GpxTrackSegment;
import org.openstreetmap.josm.data.gpx.WayPoint;
import org.openstreetmap.josm.gui.PleaseWaitRunnable;
import org.openstreetmap.josm.gui.layer.AbstractTileSourceLayer;
import org.openstreetmap.josm.gui.progress.ProgressTaskId;
import org.openstreetmap.josm.gui.progress.ProgressTaskIds;
import org.openstreetmap.josm.io.OsmTransferException;
import org.openstreetmap.josm.tools.ImageProvider;
import org.xml.sax.SAXException;
/**
* Class downloading WMS and TMS along the GPX track.
* @since 5715
*/
public class DownloadWmsAlongTrackAction extends AbstractAction {
private final transient GpxData data;
/**
* @param data that represents GPX track, along which data should be downloaded
*/
public DownloadWmsAlongTrackAction(final GpxData data) {
super(tr("Precache imagery tiles along this track"), ImageProvider.get("downloadalongtrack"));
this.data = data;
}
static class PrecacheWmsTask extends PleaseWaitRunnable {
private final AbstractTileSourceLayer<? extends AbstractTMSTileSource> layer;
private final List<LatLon> points;
private AbstractTileSourceLayer<? extends AbstractTMSTileSource>.PrecacheTask precacheTask;
protected PrecacheWmsTask(AbstractTileSourceLayer<? extends AbstractTMSTileSource> layer, List<LatLon> points) {
super(tr("Precaching WMS"));
this.layer = layer;
this.points = points;
}
@Override
protected void realRun() throws SAXException, IOException, OsmTransferException {
precacheTask = layer.downloadAreaToCache(progressMonitor, points, 0, 0);
synchronized (this) {
try {
while (!precacheTask.isFinished() && !progressMonitor.isCanceled()) {
wait(200);
}
} catch (InterruptedException ex) {
Main.warn("InterruptedException in "+getClass().getSimpleName()+" while precaching WMS");
Thread.currentThread().interrupt();
}
}
}
@Override
protected void finish() {
// Do nothing
}
@Override
protected void cancel() {
precacheTask.cancel();
}
@Override
public ProgressTaskId canRunInBackground() {
return ProgressTaskIds.PRECACHE_WMS;
}
}
PrecacheWmsTask createTask() {
List<LatLon> points = new ArrayList<>();
for (GpxTrack trk : data.tracks) {
for (GpxTrackSegment segment : trk.getSegments()) {
for (WayPoint p : segment.getWayPoints()) {
points.add(p.getCoor());
}
}
}
for (WayPoint p : data.waypoints) {
points.add(p.getCoor());
}
AbstractTileSourceLayer<? extends AbstractTMSTileSource> layer = askedLayer();
return layer != null ? new PrecacheWmsTask(layer, points) : null;
}
@Override
public void actionPerformed(ActionEvent e) {
PrecacheWmsTask task = createTask();
if (task != null) {
Main.worker.execute(task);
}
}
@SuppressWarnings({ "rawtypes", "unchecked" })
protected AbstractTileSourceLayer<? extends AbstractTMSTileSource> askedLayer() {
if (!Main.isDisplayingMapView()) {
return null;
}
List<AbstractTileSourceLayer> targetLayers = Main.getLayerManager().getLayersOfType(AbstractTileSourceLayer.class);
if (targetLayers.isEmpty()) {
if (!GraphicsEnvironment.isHeadless()) {
warnNoImageryLayers();
}
return null;
}
return AbstractMergeAction.askTargetLayer(targetLayers.toArray(new AbstractTileSourceLayer[targetLayers.size()]),
tr("Please select the imagery layer."),
tr("Select imagery layer"),
tr("Download"), "dialogs/down");
}
protected void warnNoImageryLayers() {
JOptionPane.showMessageDialog(Main.parent, tr("There are no imagery layers."), tr("No imagery layers"), JOptionPane.WARNING_MESSAGE);
}
}