15 RootItem::RootItem() : AbstractTreeItem(NULL), AbstractNullDataItem() {
16 m_lastVisibleFilteredItem = NULL;
21 RootItem::~RootItem() {
22 m_lastVisibleFilteredItem = NULL;
26 void RootItem::setLastVisibleFilteredItem(AbstractTreeItem *item) {
27 m_lastVisibleFilteredItem = item;
31 const AbstractTreeItem *RootItem::getLastVisibleFilteredItem()
const {
32 return m_lastVisibleFilteredItem;