Method setModel

plugins/modelinspector/selectionmodelmodel.cpp:116–139

}

void SelectionModelModel::setModel(QAbstractItemModel *model)
{
    if (model == m_model)
        return;

    if (!m_currentSelectionModels.isEmpty()) {
        beginRemoveRows(QModelIndex(), 0, m_currentSelectionModels.size() - 1);
        m_currentSelectionModels.clear();
        endRemoveRows();
    }

    m_model = model;
    QVector<QItemSelectionModel *> models;
    std::copy_if(m_selectionModels.constBegin(), m_selectionModels.constEnd(), std::back_inserter(models), [this](QItemSelectionModel *model) {
        return model->model() == m_model;
    });

    if (models.isEmpty())
        return;

    beginInsertRows(QModelIndex(), 0, models.size() - 1);
    m_currentSelectionModels = std::move(models);
    endInsertRows();
}

int SelectionModelModel::columnCount(const QModelIndex &parent) const
{