// If this was the last child to be removed, it's possible the parent
// node became a leaf. Let's ask the model about it.
if ( parentNode->GetChildNodes().empty() )
- parentNode->SetHasChildren(GetModel()->IsContainer(parent));
+ {
+ bool isContainer = GetModel()->IsContainer(parent);
+ parentNode->SetHasChildren(isContainer);
+ if ( isContainer )
+ {
+ // If it's still a container, make sure we show "+" icon for it
+ // and not "-" one as there is nothing to collapse any more.
+ if ( parentNode->IsOpen() )
+ parentNode->ToggleOpen();
+ }
+ }
// Update selection by removing 'item' and its entire children tree from the selection.
if ( !m_selection.empty() )