Method removeNode

src/qanGraph.cpp:708–725

}

bool    Graph::removeNode(qan::Node* node, bool force)
{
    // PRECONDITIONS:
        // node can't be nullptr
        // node can't be protected or locked
    if (node == nullptr)
        return false;
    if (!force &&
         (node->getIsProtected() ||
          node->getLocked()))
        return false;

    onNodeRemoved(*node);
    emit nodeRemoved(node);
    if (_selectedNodes.contains(node))
        _selectedNodes.removeAll(node);
    return super_t::remove_node(node);  // warning node pointer now invalid
}

int     Graph::getNodeCount() const noexcept { return super_t::get_node_count(); }