// License: GPL. For details, see LICENSE file.
package relcontext.actions;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.swing.AbstractAction;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.downloadtasks.DownloadReferrersTask;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.gui.dialogs.relation.DownloadRelationMemberTask;
import org.openstreetmap.josm.gui.dialogs.relation.DownloadRelationTask;
import org.openstreetmap.josm.tools.ImageProvider;
import relcontext.ChosenRelation;
import relcontext.ChosenRelationListener;
/**
* Downloads parent relations for this relation and all parent objects for its members.
*
* @author Zverik
*/
public class DownloadParentsAction extends AbstractAction implements ChosenRelationListener {
private ChosenRelation rel;
public DownloadParentsAction(ChosenRelation rel) {
super(tr("Download referrers"));
putValue(SMALL_ICON, ImageProvider.get("download"));
putValue(SHORT_DESCRIPTION, tr("Download referrers for the chosen relation and its members."));
this.rel = rel;
rel.addChosenRelationListener(this);
setEnabled(rel.get() != null && Main.getLayerManager().getEditLayer() != null);
}
@Override
public void actionPerformed(ActionEvent e) {
Relation relation = rel.get();
if (relation == null) return;
List<OsmPrimitive> objects = new ArrayList<>();
objects.add(relation);
objects.addAll(relation.getMemberPrimitives());
Main.worker.submit(new DownloadReferrersTask(Main.getLayerManager().getEditLayer(), objects));
}
@Override
public void chosenRelationChanged(Relation oldRelation, Relation newRelation) {
setEnabled(newRelation != null && Main.getLayerManager().getEditLayer() != null);
}
protected void downloadMembers(Relation rel) {
if (!rel.isNew()) {
Main.worker.submit(new DownloadRelationTask(Collections.singletonList(rel), Main.getLayerManager().getEditLayer()));
}
}
protected void downloadIncomplete(Relation rel) {
if (rel.isNew()) return;
Set<OsmPrimitive> ret = new HashSet<>();
ret.addAll(rel.getIncompleteMembers());
if (ret.isEmpty()) return;
Main.worker.submit(new DownloadRelationMemberTask(Collections.singletonList(rel), ret, Main.getLayerManager().getEditLayer()));
}
}