Method updatePaths

src/Mod/Material/App/MaterialLibrary.cpp:263–280

}

void MaterialLibraryLocal::updatePaths(const QString& oldPath, const QString& newPath)
{
    // Update the path map
    QString op = getRelativePath(oldPath);
    QString np = getRelativePath(newPath);
    std::unique_ptr<std::map<QString, std::shared_ptr<Material>>> pathMap =
        std::make_unique<std::map<QString, std::shared_ptr<Material>>>();
    for (auto& itp : *_materialPathMap) {
        QString path = itp.first;
        if (path.startsWith(op)) {
            path = np + path.remove(0, op.size());
        }
        itp.second->setDirectory(path);
        (*pathMap)[path] = itp.second;
    }

    _materialPathMap = std::move(pathMap);
}

std::shared_ptr<Material>
MaterialLibraryLocal::saveMaterial(const std::shared_ptr<Material>& material,