Method setCurrentIndex

kdevplatform/util/multilevellistview.cpp:398–435

}

void MultiLevelListView::setCurrentIndex(const QModelIndex& index)
{
    Q_D(MultiLevelListView);

    // incoming index is for the original model
    Q_ASSERT(!index.isValid() || index.model() == d->model);

    const QModelIndex previous = currentIndex();

    QModelIndex idx(index);
    QVector<QModelIndex> indexes;

    while (idx.isValid()) {
        indexes.prepend(idx);
        idx = idx.parent();
    }

    for (int i = 0; i < d->levels; ++i) {
        QTreeView* view = d->views.at(i);
        if (indexes.size() <= i) {
            // select first item by default
            view->setCurrentIndex(view->model()->index(0, 0));
            continue;
        }

        QModelIndex index;
        if (i + 1 == d->levels) {
            // select the very last index in the list (i.e. might be deep down in the actual tree)
            index = indexes.last();
        } else {
            // select the first index for that level
            index = indexes.at(i);
        }
        view->setCurrentIndex(d->mapFromSource(index, i));
    }

    emit currentIndexChanged(index, previous);
}

void MultiLevelListView::setRootIndex(const QModelIndex& index)
{