+void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
+ QTreeView::dataChanged(topLeft, bottomRight);
+
+ // determine how many items have been changed and if any of them is a networkitem
+ // which just swichted from active to inactive or vice versa
+ if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
+ return;
+
+ for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
+ QModelIndex networkIdx = topLeft.sibling(topLeft.row(), 0);
+ if(model()->rowCount(networkIdx) == 0)
+ continue;
+
+ bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
+ if(isExpanded(networkIdx) != isActive)
+ setExpanded(networkIdx, isActive);
+ }
+}
+
+