Method GraphicContainer

bt_editor/graphic_container.cpp:17–70

using namespace QtNodes;

GraphicContainer::GraphicContainer(std::shared_ptr<DataModelRegistry> model_registry,
                                   QWidget *parent) :
    QObject(parent),
    _model_registry( std::move(model_registry) ),
    _signal_was_blocked(true)
{
    _scene = new EditorFlowScene( _model_registry, parent );
    _view  = new QtNodes::FlowView( _scene, parent );

    connect( _scene, &QtNodes::FlowScene::nodeDoubleClicked,
             this, &GraphicContainer::onNodeDoubleClicked);

    connect( _scene, &QtNodes::FlowScene::nodeCreated,
             this,   &GraphicContainer::onNodeCreated  );

    connect( _scene, &QtNodes::FlowScene::nodeContextMenu,
             this, &GraphicContainer::onNodeContextMenu );

    connect( _scene, &QtNodes::FlowScene::connectionContextMenu,
             this, &GraphicContainer::onConnectionContextMenu );

    connect( _scene, &QtNodes::FlowScene::nodeDeleted,
             this,   &GraphicContainer::undoableChange  );

    connect( _scene, &QtNodes::FlowScene::nodeMoved,
             this,   &GraphicContainer::undoableChange  );

    connect( _scene, &QtNodes::FlowScene::connectionDeleted,
             this,   &GraphicContainer::undoableChange  );

    connect( _view, &QtNodes::FlowView::startNodeDelete,
             this, [this]()
    {
        _signal_was_blocked = this->blockSignals(true);
    } );

    connect( _view, &QtNodes::FlowView::finishNodeDelete,
             this, [this]()
    {
        this->blockSignals(_signal_was_blocked);
        this->undoableChange();
    }  );


    connect( _scene, &QtNodes::FlowScene::connectionCreated,
             this, [this](QtNodes::Connection &c )
    {
        if( c.getNode(QtNodes::PortType::In) && c.getNode(QtNodes::PortType::Out))
        {
            undoableChange();
        }
    });

}

void GraphicContainer::lockEditing(bool locked)
{