// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions.relation;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.openstreetmap.josm.Main;
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.io.OnlineResource;
import org.openstreetmap.josm.tools.ImageProvider;
import org.openstreetmap.josm.tools.SubclassFilteredCollection;
/**
* Action for downloading incomplete members of selected relations
* @since 5793
*/
public class DownloadSelectedIncompleteMembersAction extends AbstractRelationAction {
private transient Collection<OsmPrimitive> incompleteMembers;
/**
* Constructs a new <code>DownloadSelectedIncompleteMembersAction</code>.
*/
public DownloadSelectedIncompleteMembersAction() {
putValue(SHORT_DESCRIPTION, tr("Download incomplete members of selected relations"));
putValue(SMALL_ICON, ImageProvider.get("dialogs/relation", "downloadincompleteselected"));
putValue(NAME, tr("Download incomplete members"));
}
/**
* Returns the set of incomplete members of the given relations.
* @param rels The relations to inspect.
* @return The set of incomplete members of the given relations.
*/
public static Set<OsmPrimitive> buildSetOfIncompleteMembers(Collection<Relation> rels) {
Set<OsmPrimitive> ret = new HashSet<>();
for (Relation r : rels) {
ret.addAll(SubclassFilteredCollection.filter(r.getIncompleteMembers(), osm -> !osm.isNew()));
}
return ret;
}
@Override
public void actionPerformed(ActionEvent e) {
if (!isEnabled() || relations.isEmpty() || !Main.isDisplayingMapView()) return;
Main.worker.submit(new DownloadRelationMemberTask(
relations,
incompleteMembers,
Main.getLayerManager().getEditLayer()));
}
@Override
public void setPrimitives(Collection<? extends OsmPrimitive> primitives) {
// selected relations with incomplete members
this.relations = SubclassFilteredCollection.filter(getRelations(primitives), Relation::hasIncompleteMembers);
this.incompleteMembers = buildSetOfIncompleteMembers(relations);
updateEnabledState();
}
@Override
protected void updateEnabledState() {
setEnabled(!relations.isEmpty() && !incompleteMembers.isEmpty() && !Main.isOffline(OnlineResource.OSM_API));
}
}