// 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.GridBagLayout;
import java.awt.event.ActionEvent;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.swing.AbstractAction;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.AbstractMergeAction.LayerListCellRenderer;
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.ExtendedDialog;
import org.openstreetmap.josm.gui.PleaseWaitRunnable;
import org.openstreetmap.josm.gui.layer.WMSLayer;
import org.openstreetmap.josm.gui.layer.WMSLayer.PrecacheTask;
import org.openstreetmap.josm.gui.progress.ProgressTaskId;
import org.openstreetmap.josm.gui.progress.ProgressTaskIds;
import org.openstreetmap.josm.gui.widgets.JosmComboBox;
import org.openstreetmap.josm.io.OsmTransferException;
import org.openstreetmap.josm.tools.GBC;
import org.openstreetmap.josm.tools.ImageProvider;
import org.xml.sax.SAXException;
public class DownloadWmsAlongTrackAction extends AbstractAction {
private final GpxData data;
public DownloadWmsAlongTrackAction(final GpxData data) {
super(tr("Precache imagery tiles along this track"), ImageProvider.get("downloadalongtrack"));
this.data = data;
}
@Override
public void actionPerformed(ActionEvent e) {
final 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());
}
final WMSLayer layer = askWMSLayer();
if (layer != null) {
PleaseWaitRunnable task = new PleaseWaitRunnable(tr("Precaching WMS")) {
private PrecacheTask precacheTask;
@Override
protected void realRun() throws SAXException, IOException, OsmTransferException {
precacheTask = new PrecacheTask(progressMonitor);
layer.downloadAreaToCache(precacheTask, points, 0, 0);
while (!precacheTask.isFinished() && !progressMonitor.isCanceled()) {
synchronized (this) {
try {
wait(200);
} catch (InterruptedException ex) {
Main.warn("InterruptedException in "+getClass().getSimpleName()+" while precaching WMS");
}
}
}
}
@Override
protected void finish() {
}
@Override
protected void cancel() {
precacheTask.cancel();
}
@Override
public ProgressTaskId canRunInBackground() {
return ProgressTaskIds.PRECACHE_WMS;
}
};
Main.worker.execute(task);
}
}
protected WMSLayer askWMSLayer() {
Collection<WMSLayer> targetLayers = Main.map.mapView.getLayersOfType(WMSLayer.class);
if (targetLayers.isEmpty()) {
warnNoImageryLayers();
return null;
}
JosmComboBox<WMSLayer> layerList = new JosmComboBox<>(targetLayers.toArray(new WMSLayer[0]));
layerList.setRenderer(new LayerListCellRenderer());
layerList.setSelectedIndex(0);
JPanel pnl = new JPanel(new GridBagLayout());
pnl.add(new JLabel(tr("Please select the imagery layer.")), GBC.eol());
pnl.add(layerList, GBC.eol());
ExtendedDialog ed = new ExtendedDialog(Main.parent, tr("Select imagery layer"), new String[]{tr("Download"), tr("Cancel")});
ed.setButtonIcons(new String[]{"dialogs/down", "cancel"});
ed.setContent(pnl);
ed.showDialog();
if (ed.getValue() != 1) {
return null;
}
return (WMSLayer) layerList.getSelectedItem();
}
protected void warnNoImageryLayers() {
JOptionPane.showMessageDialog(Main.parent, tr("There are no imagery layers."), tr("No imagery layers"), JOptionPane.WARNING_MESSAGE);
}
}