// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.command.conflict;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.util.Collection;
import java.util.Objects;
import java.util.Set;
import javax.swing.Icon;
import org.openstreetmap.josm.data.conflict.Conflict;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.gui.conflict.pair.MergeDecisionType;
import org.openstreetmap.josm.tools.ImageProvider;
/**
* Represents the resolution of a conflict between the deleted flag of two {@link OsmPrimitive}s.
* @since 1654
*/
public class DeletedStateConflictResolveCommand extends ConflictResolveCommand {
/** the conflict to resolve */
private final Conflict<? extends OsmPrimitive> conflict;
/** the merge decision */
private final MergeDecisionType decision;
/**
* Constructs a new {@code DeletedStateConflictResolveCommand}.
*
* @param conflict the conflict data set
* @param decision the merge decision
*/
public DeletedStateConflictResolveCommand(Conflict<? extends OsmPrimitive> conflict, MergeDecisionType decision) {
this.conflict = conflict;
this.decision = decision;
}
@Override
public String getDescriptionText() {
return tr("Resolve conflicts in deleted state in {0}", conflict.getMy().getId());
}
@Override
public Icon getDescriptionIcon() {
return ImageProvider.get("data", "object");
}
@Override
public boolean executeCommand() {
// remember the current state of modified primitives, i.e. of OSM primitive 'my'
super.executeCommand();
if (decision.equals(MergeDecisionType.KEEP_MINE)) {
if (conflict.getMy().isDeleted() || conflict.isMyDeleted()) {
// because my was involved in a conflict it my still be referred
// to from a way or a relation. Fix this now.
deleteMy();
}
} else if (decision.equals(MergeDecisionType.KEEP_THEIR)) {
if (conflict.getTheir().isDeleted()) {
deleteMy();
} else {
conflict.getMy().setDeleted(false);
}
} else
// should not happen
throw new IllegalStateException(tr("Cannot resolve undecided conflict."));
rememberConflict(conflict);
return true;
}
private void deleteMy() {
Set<OsmPrimitive> referrers = getAffectedDataSet().unlinkReferencesToPrimitive(conflict.getMy());
for (OsmPrimitive p : referrers) {
if (!p.isNew() && !p.isDeleted()) {
p.setModified(true);
}
}
conflict.getMy().setDeleted(true);
}
@Override
public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted,
Collection<OsmPrimitive> added) {
modified.add(conflict.getMy());
modified.addAll(conflict.getMy().getReferrers());
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), conflict, decision);
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || getClass() != obj.getClass()) return false;
if (!super.equals(obj)) return false;
DeletedStateConflictResolveCommand that = (DeletedStateConflictResolveCommand) obj;
return decision == that.decision && Objects.equals(conflict, that.conflict);
}
}