QModelIndex ProjectDirModel::index(int row, int column,
const QModelIndex &parent) const {
if (column != 0) return QModelIndex();
DvDirModelNode *parentNode = m_root;
if (parent.isValid()) parentNode = getNode(parent);
if (row < 0 || row >= parentNode->getChildCount()) return QModelIndex();
DvDirModelNode *node = parentNode->getChild(row);
return createIndex(row, column, node);
}
QModelIndex ProjectDirModel::childByName(const QModelIndex &parent,
const std::wstring &name) const {
if (!parent.isValid()) return QModelIndex();
DvDirModelNode *parentNode = getNode(parent);
if (!parentNode) return QModelIndex();
int row = parentNode->rowByName(name);
if (row < 0 || row >= parentNode->getChildCount()) return QModelIndex();
DvDirModelNode *childNode = parentNode->getChild(row);
return createIndex(row, 0, childNode);
}