/**
* Removes a given OsmPrimitive from all relations
*
* @param osm Element to remove from all relations
* @return List of relations with roles the primitives was part of
*/
private List<RelationRole> removeFromAllRelations(OsmPrimitive osm) {
List<RelationRole> result = new ArrayList<RelationRole>();
for (Relation r : Main.main.getCurrentDataSet().getRelations()) {
if (r.isDeleted()) {
continue;
}
for (RelationMember rm : r.getMembers()) {
if (rm.getMember() != osm) {
continue;
}
Relation newRel = new Relation(r);
List<RelationMember> members = newRel.getMembers();
members.remove(rm);
newRel.setMembers(members);
cmds.add(new ChangeCommand(r, newRel));
RelationRole saverel = new RelationRole(r, rm.getRole());
if (!result.contains(saverel)) {
result.add(saverel);
}
break;
}
}
commitCommands(marktr("Removed Element from Relations"));
return result;
}
protected Relation parseRelation() throws XMLStreamException {
RelationData rd = new RelationData();
readCommon(rd);
Relation r = new Relation(rd.getId(), rd.getVersion());
r.setVisible(rd.isVisible());
r.load(rd);
externalIdMap.put(rd.getPrimitiveId(), r);
Collection<RelationMemberData> members = new ArrayList<RelationMemberData>();
while (true) {
int event = parser.next();
if (event == XMLStreamConstants.START_ELEMENT) {
if (parser.getLocalName().equals("member")) {
members.add(parseRelationMember(r));
} else if (parser.getLocalName().equals("tag")) {
parseTag(r);
} else {
parseUnknown();
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
break;
}
}
if (r.isDeleted() && members.size() > 0) {
System.out.println(tr("Deleted relation {0} contains members", r.getUniqueId()));
members = new ArrayList<RelationMemberData>();
}
relations.put(rd.getUniqueId(), members);
return r;
}
public void visit(Relation r) {
if (r.isNewOrUndeleted() || r.isModified() || r.isDeleted()) {
hull.add(r);
for (OsmPrimitive p : r.getMemberPrimitives()) {
// add new relation members. Don't include modified
// relation members. r shouldn't refer to deleted primitives,
// so wont check here for deleted primitives here
//
if (p.isNewOrUndeleted()) {
p.visit(this);
}
}
}
}
/**
* This method analyzes multipolygon relationships of given ways and collects addition inner ways
* to consider.
*
* @param selectedWays the selected ways
* @return list of polygons, or null if too complex relation encountered.
*/
private List<Multipolygon> collectMultipolygons(List<Way> selectedWays) {
List<Multipolygon> result = new ArrayList<Multipolygon>();
// prepare the lists, to minimize memory allocation.
List<Way> outerWays = new ArrayList<Way>();
List<Way> innerWays = new ArrayList<Way>();
Set<Way> processedOuterWays = new LinkedHashSet<Way>();
Set<Way> processedInnerWays = new LinkedHashSet<Way>();
for (Relation r : OsmPrimitive.getParentRelations(selectedWays)) {
if (r.isDeleted() || !r.isMultipolygon()) {
continue;
}
boolean hasKnownOuter = false;
outerWays.clear();
innerWays.clear();
for (RelationMember rm : r.getMembers()) {
if (rm.getRole().equalsIgnoreCase("outer")) {
outerWays.add(rm.getWay());
hasKnownOuter |= selectedWays.contains(rm.getWay());
} else if (rm.getRole().equalsIgnoreCase("inner")) {
innerWays.add(rm.getWay());
}
}
if (!hasKnownOuter) {
continue;
}
if (outerWays.size() > 1) {
new Notification(
tr("Sorry. Cannot handle multipolygon relations with multiple outer ways."))
.setIcon(JOptionPane.INFORMATION_MESSAGE)
.show();
return null;
}
Way outerWay = outerWays.get(0);
// retain only selected inner ways
innerWays.retainAll(selectedWays);
if (processedOuterWays.contains(outerWay)) {
new Notification(
tr("Sorry. Cannot handle way that is outer in multiple multipolygon relations."))
.setIcon(JOptionPane.INFORMATION_MESSAGE)
.show();
return null;
}
if (processedInnerWays.contains(outerWay)) {
new Notification(
tr(
"Sorry. Cannot handle way that is both inner and outer in multipolygon relations."))
.setIcon(JOptionPane.INFORMATION_MESSAGE)
.show();
return null;
}
for (Way way : innerWays) {
if (processedOuterWays.contains(way)) {
new Notification(
tr(
"Sorry. Cannot handle way that is both inner and outer in multipolygon relations."))
.setIcon(JOptionPane.INFORMATION_MESSAGE)
.show();
return null;
}
if (processedInnerWays.contains(way)) {
new Notification(
tr("Sorry. Cannot handle way that is inner in multiple multipolygon relations."))
.setIcon(JOptionPane.INFORMATION_MESSAGE)
.show();
return null;
}
}
processedOuterWays.add(outerWay);
processedInnerWays.addAll(innerWays);
Multipolygon pol = new Multipolygon(outerWay);
pol.innerWays.addAll(innerWays);
result.add(pol);
}
// add remaining ways, not in relations
for (Way way : selectedWays) {
if (processedOuterWays.contains(way) || processedInnerWays.contains(way)) {
continue;
}
result.add(new Multipolygon(way));
}
return result;
}
/**
* Determines if the given relation is listable in last relations.
*
* @param relation relation
* @return {@code true} if relation is non null, not deleted, and in current dataset
*/
public static boolean isRelationListable(Relation relation) {
return relation != null
&& !relation.isDeleted()
&& Main.main.getCurrentDataSet().containsRelation(relation);
}
/**
* Determines if the given relation is listable in last relations.
*
* @param relation relation
* @return {@code true} if relation is non null, not deleted, and in current dataset
*/
public static boolean isRelationListable(Relation relation) {
return relation != null
&& !relation.isDeleted()
&& Main.getLayerManager().getEditDataSet().containsRelation(relation);
}