| 39 | } |
| 40 | |
| 41 | QModelIndex T_TreeViewModel::parent(const QModelIndex& child) const |
| 42 | { |
| 43 | if (!child.isValid()) |
| 44 | { |
| 45 | return QModelIndex(); |
| 46 | } |
| 47 | T_TreeItem* childItem = static_cast<T_TreeItem*>(child.internalPointer()); |
| 48 | T_TreeItem* parentItem = childItem->getParentItem(); |
| 49 | if (parentItem == _rootItem) |
| 50 | { |
| 51 | return QModelIndex(); |
| 52 | } |
| 53 | else if (parentItem == nullptr) |
| 54 | { |
| 55 | return QModelIndex(); |
| 56 | } |
| 57 | return createIndex(parentItem->getRow(), 0, parentItem); |
| 58 | } |
| 59 | |
| 60 | QModelIndex T_TreeViewModel::index(int row, int column, const QModelIndex& parent) const |
| 61 | { |