show route type in route relation display name

This displays e.g. `hiking route ("foo-bar")` instead of just `route
("foo-bar")`, making it easier to distinguish different route relations.

Author: matthijskooijman

src/org/openstreetmap/josm/data/osm/DefaultNameFormatter.java

@@ -412,6 +412,10 @@ public Comparator<IRelation<?>> getRelationComparator() {
     private static String getRelationTypeName(IRelation<?> relation) {
         // see https://josm.openstreetmap.de/browser/osm/applications/editors/josm/i18n/specialmessages.java
         String name = trc("Relation type", relation.get("type"));
+        if (relation.hasTag("type", "route") && relation.hasKey("route")) {
+            String route = trc("Route type", relation.get("route"));
+            name = route + " " + name;
+        }
         if (name == null) {
             name = relation.hasKey("public_transport") ? tr("public transport") : null;
         }

test/unit/org/openstreetmap/josm/data/osm/DefaultNameFormatterTest.java

@@ -102,7 +102,7 @@ void testRelationName() {
                 getFormattedRelationName("X=Y"));
         assertEquals("relation (\"Foo\", 0 members)",
                 getFormattedRelationName("name=Foo"));
-        assertEquals("route (\"123\", 0 members)",
+        assertEquals("tram route (\"123\", 0 members)",
                 getFormattedRelationName("type=route route=tram ref=123"));
         assertEquals("multipolygon (\"building\", 0 members)",
                 getFormattedRelationName("type=multipolygon building=yes"));