// 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.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.swing.AbstractAction;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.data.osm.RelationMember;
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 or updates chosen relation members, depending on completeness.
*
* @author Zverik
*/
public class DownloadChosenRelationAction extends AbstractAction implements ChosenRelationListener {
private ChosenRelation rel;
public DownloadChosenRelationAction(ChosenRelation rel) {
putValue(SMALL_ICON, ImageProvider.get("relcontext", "download"));
putValue(SHORT_DESCRIPTION, tr("Download incomplete members for the chosen relation"));
this.rel = rel;
rel.addChosenRelationListener(this);
setEnabled(false);
}
@Override
public void actionPerformed(ActionEvent e) {
Relation relation = rel.get();
if (relation == null || relation.isNew()) return;
int total = relation.getMembersCount();
int incomplete = relation.getIncompleteMembers().size();
if (incomplete <= 10 && incomplete * 3 < total) {
downloadIncomplete(relation);
} else {
downloadMembers(relation);
}
}
@Override
public void chosenRelationChanged(Relation oldRelation, Relation newRelation) {
boolean incomplete = false;
if (newRelation != null) {
for (RelationMember m : newRelation.getMembers()) {
if (m.getMember().isIncomplete()) {
incomplete = true;
break;
}
}
}
setEnabled(newRelation != null && incomplete);
}
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()));
}
}