Method createSmartRemoveAction

bt_editor/graphic_container.cpp:492–521

}

void GraphicContainer::createSmartRemoveAction(QtNodes::Node &node, QMenu* node_menu)
{
    auto *smart_remove = new QAction("Smart Remove ", node_menu);
    node_menu->addAction(smart_remove);

    NodeState::ConnectionPtrSet conn_in  = node.nodeState().connections(PortType::In, 0);
    NodeState::ConnectionPtrSet conn_out = node.nodeState().connections(PortType::Out, 0);

    if( conn_in.size() != 1 || conn_out.size() == 0 )
    {
        smart_remove->setEnabled(false);
        return;
    }

    auto parent_node = conn_in.begin()->second->getNode(PortType::Out);
    auto policy = parent_node->nodeDataModel()->portOutConnectionPolicy(0);

    if( policy == NodeDataModel::ConnectionPolicy::One && conn_out.size() > 1)
    {
        smart_remove->setEnabled(false);
        return;
    }

    QtNodes::Node* node_ptr = &node;
    connect( smart_remove, &QAction::triggered,
             this, [this, node_ptr]()
    {
        onSmartRemove(node_ptr);
    });
}

void GraphicContainer::onSmartRemove(QtNodes::Node* node)
{