| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package relcontext.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.event.ActionEvent;
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| 7 | import java.util.Collections;
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| 8 | import java.util.HashSet;
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| 9 | import java.util.Set;
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| 10 |
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| 11 | import javax.swing.AbstractAction;
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| 12 |
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| 13 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 14 | import org.openstreetmap.josm.data.osm.Relation;
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| 15 | import org.openstreetmap.josm.data.osm.RelationMember;
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| 16 | import org.openstreetmap.josm.gui.MainApplication;
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| 17 | import org.openstreetmap.josm.gui.dialogs.relation.DownloadRelationMemberTask;
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| 18 | import org.openstreetmap.josm.gui.dialogs.relation.DownloadRelationTask;
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| 19 | import org.openstreetmap.josm.tools.ImageProvider;
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| 20 |
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| 21 | import relcontext.ChosenRelation;
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| 22 | import relcontext.ChosenRelationListener;
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| 23 |
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| 24 | /**
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| 25 | * Downloads or updates chosen relation members, depending on completeness.
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| 26 | *
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| 27 | * @author Zverik
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| 28 | */
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| 29 | public class DownloadChosenRelationAction extends AbstractAction implements ChosenRelationListener {
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| 30 | private final ChosenRelation rel;
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| 31 |
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| 32 | public DownloadChosenRelationAction(ChosenRelation rel) {
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| 33 | putValue(SMALL_ICON, ImageProvider.get("relcontext", "download"));
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| 34 | putValue(SHORT_DESCRIPTION, tr("Download incomplete members for the chosen relation"));
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| 35 | this.rel = rel;
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| 36 | rel.addChosenRelationListener(this);
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| 37 | setEnabled(false);
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| 38 | }
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| 39 |
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| 40 | @Override
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| 41 | public void actionPerformed(ActionEvent e) {
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| 42 | Relation relation = rel.get();
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| 43 | if (relation == null || relation.isNew()) return;
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| 44 | int total = relation.getMembersCount();
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| 45 | int incomplete = relation.getIncompleteMembers().size();
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| 46 | if (incomplete <= 10 && incomplete * 3 < total) {
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| 47 | downloadIncomplete(relation);
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| 48 | } else {
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| 49 | downloadMembers(relation);
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| 50 | }
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| 51 | }
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| 52 |
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| 53 | @Override
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| 54 | public void chosenRelationChanged(Relation oldRelation, Relation newRelation) {
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| 55 | boolean incomplete = false;
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| 56 | if (newRelation != null) {
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| 57 | for (RelationMember m : newRelation.getMembers()) {
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| 58 | if (m.getMember().isIncomplete()) {
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| 59 | incomplete = true;
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| 60 | break;
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| 61 | }
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| 62 | }
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| 63 | }
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| 64 | setEnabled(newRelation != null && incomplete);
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| 65 | }
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| 66 |
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| 67 | protected void downloadMembers(Relation rel) {
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| 68 | if (!rel.isNew()) {
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| 69 | MainApplication.worker.submit(
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| 70 | new DownloadRelationTask(Collections.singletonList(rel), MainApplication.getLayerManager().getEditLayer()));
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| 71 | }
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| 72 | }
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| 73 |
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| 74 | protected void downloadIncomplete(Relation rel) {
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| 75 | if (rel.isNew()) return;
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| 76 | Set<OsmPrimitive> ret = new HashSet<>(rel.getIncompleteMembers());
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| 77 | if (ret.isEmpty()) return;
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| 78 | MainApplication.worker.submit(
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| 79 | new DownloadRelationMemberTask(Collections.singletonList(rel), ret, MainApplication.getLayerManager().getEditLayer()));
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| 80 | }
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| 81 | }
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