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Merge pull request #665 from realthunder/TreeViewFix

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TreeView: fixed disappearing item
This commit is contained in:
wwmayer
2017-04-02 09:51:02 +02:00
committed by GitHub
parent 1bde45172e b42c45becc
commit 78d8272d77
1 changed files with 16 additions and 1 deletions
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17
src/Gui/Tree.cpp
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@@ -1137,8 +1137,23 @@ void DocumentItem::populateItem(DocumentObjectItem *item, bool refresh) {
item->addChild(childItem);
}
}
for(auto childItem : oldItems)
for(auto childItem : oldItems) {
if (childItem->type() == TreeWidget::ObjectType) {
DocumentObjectItem* obj = static_cast<DocumentObjectItem*>(childItem);
// Add the child item back to document root if it is the only
// instance. Now, because of the lazy loading strategy, this may
// not truely be the last instance of the object. It may belong to
// other parents not expanded yet. We don't want to traverse the
// whole tree to confirm that. Just let it be. If the other
// parent(s) later expanded, this child item will be moved from
// root to its parent.
if(obj->myselves->size()==1) {
this->addChild(childItem);
continue;
}
}
delete childItem;
}
}
void DocumentItem::slotChangeObject(const Gui::ViewProviderDocumentObject& view)