Method toggleCollapse

src/controller.cpp:791–796

}

void RcxController::toggleCollapse(int nodeIdx) {
    if (nodeIdx < 0 || nodeIdx >= m_doc->tree.nodes.size()) return;
    auto& node = m_doc->tree.nodes[nodeIdx];
    m_doc->undoStack.push(new RcxCommand(this,
        cmd::Collapse{node.id, node.collapsed, !node.collapsed}));
}

void RcxController::materializeRefChildren(int nodeIdx) {
    if (nodeIdx < 0 || nodeIdx >= m_doc->tree.nodes.size()) return;