| 64 | } |
| 65 | |
| 66 | bool TreeItem::insertColumns(int position, int columns) { |
| 67 | if (position < 0 || position > itemData.size()) |
| 68 | return false; |
| 69 | |
| 70 | for (int column = 0; column < columns; ++column) |
| 71 | itemData.insert(position, QVariant()); |
| 72 | |
| 73 | for (auto* childItem : childItems) |
| 74 | childItem->insertColumns(position, columns); |
| 75 | |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | TreeItem* TreeItem::parent() { |
| 80 | return parentItem; |