void SgObject::transferUpdate(SgUpdate& update)
{
update.push(this);
sigUpdated_(update);
for(const_parentIter p = parents.begin(); p != parents.end(); ++p){
(*p)->transferUpdate(update);
}
update.pop();
}
void SceneGraphViewImpl::onSceneGraphUpdated(const SgUpdate& update)
{
if(update.action() & (SgUpdate::ADDED)){
parentItem = rootItem;
SgUpdate::Path path = update.path();
if(path.size() > 1){
for(SgUpdate::Path::reverse_iterator it = ++path.rbegin(); it != path.rend(); ++it){
parentItem = findItem(parentItem, *it);
if(!parentItem)
return;
}
}
SgObject* parent = update.path().front();
SgGroup* group = dynamic_cast<SgGroup*>(parent);
if(group){
SgNode* node = findAddNode(group);
if(node){
node->accept(*this);
}
}
}
if(update.action() & (SgUpdate::REMOVED)){
parentItem = rootItem;
SgUpdate::Path path = update.path();
if(path.size() > 1){
for(SgUpdate::Path::reverse_iterator it = ++path.rbegin(); it != path.rend(); ++it){
parentItem = findItem(parentItem, *it);
if(!parentItem)
return;
}
}
SgObject* parent = update.path().front();
SgGroup* group = dynamic_cast<SgGroup*>(parent);
if(group){
SgvItem* item = findRemoveItem(group);
if(item){
removeItem(item);
}
}
}
}
void SceneGraphPropertyViewImpl::onSceneGraphUpdated(const SgUpdate& update)
{
if(update.action() & (SgUpdate::MODIFIED))
updateProperties();
}