From 2759e0dd37585ef45d9be92b1324d005239b21bd Mon Sep 17 00:00:00 2001 From: Taylor Smock Date: Fri, 16 Nov 2018 08:44:42 -0700 Subject: [PATCH] Initial work on getting get_parent_ids working --- .../mappaint/mapcss/ExpressionFactory.java | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java b/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java index f49ac9390..fe98489e6 100644 --- a/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java +++ b/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java @@ -518,6 +518,32 @@ public final class ExpressionFactory { return env.parent == null ? null : env.parent.getUniqueId(); } + /** + * Gets a list of all OSM id's of the object's parent(s). + * + * The values are sorted according to {@link AlphanumComparator}. + * @param env the environment + * @return a list of non-null values of the OSM id's from the object's parent(s) + */ + public static List parent_osm_ids(final Environment env) { // NO_UCD (unused code) + if (env.parent == null) { + if (env.osm != null) { + final Collection ids = new TreeSet<>(); + //final Collection ids = new Collection<>(); + // we don't have a matched parent, so just search all referrers + for (IPrimitive parent : env.osm.getReferrers()) { + Long value = parent.getUniqueId(); + if (value != null) { + ids.add(value); + } + } + return new ArrayList<>(ids); + } + return Collections.emptyList(); + } + return Collections.singletonList(parent_osm_id(env)); + } + /** * Determines whether the object has a tag with the given key. * @param env the environment -- 2.17.2 (Apple Git-113)