001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.command;
003
004import static org.openstreetmap.josm.tools.I18n.marktr;
005import static org.openstreetmap.josm.tools.I18n.tr;
006
007import java.util.Collection;
008import javax.swing.Icon;
009
010import org.openstreetmap.josm.data.conflict.Conflict;
011import org.openstreetmap.josm.data.osm.OsmPrimitive;
012import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
013import org.openstreetmap.josm.tools.ImageProvider;
014
015/**
016 * Represents a command for resolving a version conflict between two {@link OsmPrimitive}
017 *
018 *
019 */
020public class VersionConflictResolveCommand extends ConflictResolveCommand {
021
022    /** the conflict to resolve */
023    private Conflict<? extends OsmPrimitive> conflict;
024
025    /**
026     * constructor
027     * @param conflict the conflict data set
028     */
029    public VersionConflictResolveCommand(Conflict<? extends OsmPrimitive> conflict) {
030        this.conflict = conflict;
031    }
032
033    @Override
034    public String getDescriptionText() {
035        String msg = "";
036        switch(OsmPrimitiveType.from(conflict.getMy())) {
037        case NODE: msg = marktr("Resolve version conflict for node {0}"); break;
038        case WAY: msg = marktr("Resolve version conflict for way {0}"); break;
039        case RELATION: msg = marktr("Resolve version conflict for relation {0}"); break;
040        }
041        return tr(msg, conflict.getMy().getId());
042    }
043
044    @Override
045    public Icon getDescriptionIcon() {
046        return ImageProvider.get("data", "object");
047    }
048
049    @Override
050    public boolean executeCommand() {
051        super.executeCommand();
052        if (!conflict.getMy().isNew()) {
053            long myVersion = conflict.getMy().getVersion();
054            long theirVersion = conflict.getTheir().getVersion();
055            conflict.getMy().setOsmId(
056                    conflict.getMy().getId(),
057                    (int)Math.max(myVersion, theirVersion)
058            );
059            // update visiblity state
060            if (theirVersion >= myVersion) {
061                conflict.getMy().setVisible(conflict.getTheir().isVisible());
062            }
063        }
064        getLayer().getConflicts().remove(conflict);
065        rememberConflict(conflict);
066        return true;
067    }
068
069    @Override
070    public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted,
071            Collection<OsmPrimitive> added) {
072        modified.add(conflict.getMy());
073    }
074}