C++ (Cpp) KFileItemModel::sortRole Beispiele

Beispiel #1

Datei: kfileitemlistview.cpp Projekt: blue-shell/folderview

void KFileItemListView::applyRolesToModel()
{
    if (!model()) {
        return;
    }

    Q_ASSERT(qobject_cast<KFileItemModel*>(model()));
    KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(model());

    // KFileItemModel does not distinct between "visible" and "invisible" roles.
    // Add all roles that are mandatory for having a working KFileItemListView:
    QSet<QByteArray> roles = visibleRoles().toSet();
    roles.insert("iconPixmap");
    roles.insert("iconName");
    roles.insert("text");
    roles.insert("isDir");
    roles.insert("isLink");
    if (supportsItemExpanding()) {
        roles.insert("isExpanded");
        roles.insert("isExpandable");
        roles.insert("expandedParentsCount");
    }

    // Assure that the role that is used for sorting will be determined
    roles.insert(fileItemModel->sortRole());

    fileItemModel->setRoles(roles);
    m_modelRolesUpdater->setRoles(roles);
}