void OsmMapIndex::preGeometryChange(Element* e)
{
if (_nodeToWayMap != 0)
{
VALIDATE(_nodeToWayMap->validate(_map));
}
// if the element to relation map is being maintained and this is not a node. Node movement
// doesn't impact any relation memberships.
if (_elementToRelationMap != 0 && e->getElementType() != ElementType::Node)
{
assert(_pendingRelationChange.size() == 0);
VALIDATE(_elementToRelationMap->validate(_map));
// find out which relations will be impacted by the changes.
_pendingRelationChange = _elementToRelationMap->getRelationByElement(e);
// if the relation itself is being changed, then add it to the pending list.
if (e->getElementType() == ElementType::Relation)
{
_pendingRelationChange.insert(e->getId());
}
// remove all the relations that are being impacted.
for (set<long>::iterator it = _pendingRelationChange.begin();
it != _pendingRelationChange.end(); ++it)
{
_elementToRelationMap->removeRelation(_map, _map.getRelation(*it));
}
}
if (e->getElementType() == ElementType::Way)
{
removeWay(_map.getWay(e->getId()));
}
}
void RemoveElementOp::apply(OsmMapPtr& map)
{
if (ElementType::Node == _eIdToRemove.getType().getEnum())
{
// Remove node fully (Removes node from relations & ways, then removes node from map)
RemoveNodeOp removeNode(_eIdToRemove.getId(), _doCheck, true);
removeNode.apply(map);
}
else if (ElementType::Way == _eIdToRemove.getType().getEnum())
{
RemoveWayOp removeWay(_eIdToRemove.getId(), _doCheck);
removeWay.apply(map);
}
else if (ElementType::Relation == _eIdToRemove.getType().getEnum())
{
RemoveRelationOp removeRelation(_eIdToRemove.getId());
removeRelation.apply(map);
}
else
{
throw HootException(QString("Unexpected element type: %1").arg(_eIdToRemove.toString()));
}
}
