---
core-dave/src/org/openstreetmap/josm/data/osm/Relation.java | 33 ++++++++++++
1 file changed, 33 insertions(+)
diff -puN
src/org/openstreetmap/josm/data/osm/Relation.java~relation-updateMembers-p1
src/org/openstreetmap/josm/data/osm/Relation.java
---
core/src/org/openstreetmap/josm/data/osm/Relation.java~relation-updateMembers-p1
2008-04-28 18:59:32.000000000 -0700
+++ core-dave/src/org/openstreetmap/josm/data/osm/Relation.java 2008-04-28
18:59:32.000000000 -0700
@@ -1,9 +1,16 @@
package org.openstreetmap.josm.data.osm;
+import static org.openstreetmap.josm.tools.I18n.tr;
+
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.LinkedList;
import java.util.List;
+import org.openstreetmap.josm.command.AddRelationMemberCommand;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.command.RemoveRelationMemberCommand;
+import org.openstreetmap.josm.command.SequenceCommand;
import org.openstreetmap.josm.data.osm.visitor.Visitor;
/**
@@ -73,4 +80,30 @@ public final class Relation extends OsmP
return true;
return false;
}
+
+ /**
+ * @param from - the list of relation members that will get changed
+ * @param to - relation member that will be the new target
+ *
+ * If any RelationMember is in @from, it will get updated to point
+ * to @to. If any RelationMember is no
+ *
+ * @return set of commands to perform the update
+ */
+ public Command updateMembers(List<OsmPrimitive> _from, OsmPrimitive to)
{
+ List<OsmPrimitive> from = new LinkedList<OsmPrimitive>(_from);
+ List<Command> cmds = new LinkedList<Command>();
+ if (from.contains(to))
+ from.remove(to);
+ for (RelationMember rm : this.members) {
+ // Don't copy the member if it to one of our ways, just
keep a
+ // note to re-add it later on.
+ if (from.contains(rm.member)) {
+ RelationMember newrm = new
RelationMember(rm.role, to);
+ cmds.add(new RemoveRelationMemberCommand(this,
rm));
+ cmds.add(new AddRelationMemberCommand(this,
newrm));
+ }
+ }
+ return new SequenceCommand(tr("Update relation members"), cmds);
+ }
}
_
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