// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions;
import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.geom.Area;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Future;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.downloadtasks.DownloadTaskList;
import org.openstreetmap.josm.data.osm.DataSource;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
import org.openstreetmap.josm.tools.Shortcut;
public class UpdateDataAction extends JosmAction{
public UpdateDataAction() {
super(tr("Update data"),
"updatedata",
tr("Updates the objects in the active data layer from the server."),
Shortcut.registerShortcut("file:updatedata",
tr("File: {0}", tr("Update data")),
KeyEvent.VK_U, Shortcut.CTRL),
true);
putValue("help", ht("/Action/UpdateData"));
}
/**
* Refreshes the enabled state
*
*/
@Override
protected void updateEnabledState() {
setEnabled(getEditLayer() != null);
}
public void updateLayer(OsmDataLayer layer) {
}
@Override
public void actionPerformed(ActionEvent e) {
if (! isEnabled())
return;
if (getEditLayer() == null)
return;
List<Area> areas = new ArrayList<>();
for(DataSource ds : getEditLayer().data.dataSources) {
areas.add(new Area(ds.bounds.asRect()));
}
// The next two blocks removes every intersection from every DataSource Area
// This prevents downloading the same data numerous times at intersections
// and also skips smaller bounding boxes that are contained within larger ones
// entirely.
for(int i = 0; i < areas.size(); i++) {
for(int j = i+1; j < areas.size(); j++) {
areas.get(i).subtract(areas.get(j));
}
}
for(int i = areas.size()-1; i > 0 ; i--) {
for(int j = i-1; j > 0; j--) {
areas.get(i).subtract(areas.get(j));
}
}
List<Area> areasToDownload = new ArrayList<>();
for(Area a : areas) {
if(a.isEmpty()) {
continue;
}
areasToDownload.add(a);
}
if(areasToDownload.isEmpty()) {
// no bounds defined in the dataset? we update all primitives in the data set
// using a series of multi fetch requests
//
UpdateSelectionAction.updatePrimitives(getEditLayer().data.allPrimitives());
} else {
// bounds defined? => use the bbox downloader
//
final PleaseWaitProgressMonitor monitor = new PleaseWaitProgressMonitor(tr("Download data"));
final Future<?> future = new DownloadTaskList().download(false /* no new layer */, areasToDownload, true, false, monitor);
Main.worker.submit(
new Runnable() {
@Override
public void run() {
try {
future.get();
} catch(Exception e) {
Main.error(e);
return;
}
monitor.close();
}
}
);
}
}
}