// yields the correct result for "a/a/1" and "a/a-1/", whis is non-trivial because they share the
// first three characters.
QSet<QByteArray> modelRoles = m_model->roles();
- modelRoles << "isExpanded" << "expansionLevel";
+ modelRoles << "isExpanded" << "isExpandable" << "expansionLevel";
m_model->setRoles(modelRoles);
QStringList files;