+void BufferWidget::setModel(BufferModel *bufferModel) {
+ if(_bufferModel) {
+ disconnect(_bufferModel, 0, this, 0);
+ }
+ _bufferModel = bufferModel;
+ connect(bufferModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex, int, int)),
+ this, SLOT(rowsAboutToBeRemoved(QModelIndex, int, int)));
+}
+
+void BufferWidget::setSelectionModel(QItemSelectionModel *selectionModel) {
+ if(_selectionModel) {
+ disconnect(_selectionModel, 0, this, 0);
+ }
+ _selectionModel = selectionModel;
+ connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
+ this, SLOT(currentChanged(QModelIndex, QModelIndex)));
+}
+
+void BufferWidget::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
+ Q_ASSERT(model());
+ if(!parent.isValid()) {
+ // ok this means that whole networks are about to be removed
+ // we can't determine which buffers are affect, so we hope that all nets are removed
+ // this is the most common case (for example disconnecting from the core or terminating the clint)
+ if(model()->rowCount(parent) != end - start + 1)
+ return;
+
+ ChatWidget *chatWidget;
+ QHash<BufferId, ChatWidget *>::iterator iter = _chatWidgets.begin();
+ while(iter != _chatWidgets.end()) {
+ chatWidget = *iter;
+ iter = _chatWidgets.erase(iter);
+ ui.stackedWidget->removeWidget(chatWidget);
+ chatWidget->deleteLater();
+ }
+
+ } else {
+ // check if there are explicitly buffers removed
+ for(int i = start; i <= end; i++) {
+ QVariant variant = parent.child(i,0).data(NetworkModel::BufferIdRole);
+ if(!variant.isValid())
+ continue;
+
+ BufferId bufferId = qVariantValue<BufferId>(variant);
+ removeBuffer(bufferId);
+ }
+ }
+}
+
+void BufferWidget::removeBuffer(BufferId bufferId) {
+ if(!_chatWidgets.contains(bufferId))
+ return;
+
+ ChatWidget *chatWidget = _chatWidgets.take(bufferId);
+ ui.stackedWidget->removeWidget(chatWidget);
+ chatWidget->deleteLater();