+// For fixing up rendering of multipolygons with tags on the outer member.
+// https://github.com/systemed/iD/issues/613
+iD.geo.isSimpleMultipolygonOuterMember = function(entity, graph) {
+ if (entity.type !== 'way')
+ return false;
+
+ var parents = graph.parentRelations(entity);
+ if (parents.length !== 1)
+ return false;
+
+ var parent = parents[0];
+ if (!parent.isMultipolygon() || Object.keys(parent.tags).length > 1)
+ return false;
+
+ var members = parent.members, member;
+ for (var i = 0; i < members.length; i++) {
+ member = members[i];
+ if (member.id === entity.id && member.role && member.role !== 'outer')
+ return false; // Not outer member
+ if (member.id !== entity.id && (!member.role || member.role === 'outer'))
+ return false; // Not a simple multipolygon
+ }
+
+ return parent;
+};
+
+iD.geo.simpleMultipolygonOuterMember = function(entity, graph) {
+ if (entity.type !== 'way')
+ return false;
+
+ var parents = graph.parentRelations(entity);
+ if (parents.length !== 1)
+ return false;
+
+ var parent = parents[0];
+ if (!parent.isMultipolygon() || Object.keys(parent.tags).length > 1)
+ return false;
+
+ var members = parent.members, member, outerMember;
+ for (var i = 0; i < members.length; i++) {
+ member = members[i];
+ if (!member.role || member.role === 'outer') {
+ if (outerMember)
+ return false; // Not a simple multipolygon
+ outerMember = member;
+ }
+ }
+
+ return outerMember && graph.hasEntity(outerMember.id);
+};