BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
setModel(filter);
connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
setModel(filter);
connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));