Exemplo n.º 1
0
void
GuiAppInstance::createNodeGui(const NodePtr &node,
                              const NodePtr& parentMultiInstance,
                              const CreateNodeArgs& args)
{
    NodeCollectionPtr group = node->getGroup();
    NodeGraph* graph;

    if (group) {
        NodeGraphI* graph_i = group->getNodeGraph();
        assert(graph_i);
        graph = dynamic_cast<NodeGraph*>(graph_i);
        assert(graph);
    } else {
        graph = _imp->_gui->getNodeGraph();
    }
    if (!graph) {
        throw std::logic_error("");
    }

    NodesGuiList selectedNodes = graph->getSelectedNodes();
    NodeGuiPtr nodegui = _imp->_gui->createNodeGUI(node, args);
    assert(nodegui);

    if (parentMultiInstance && nodegui) {
        nodegui->hideGui();


        NodeGuiIPtr parentNodeGui_i = parentMultiInstance->getNodeGui();
        assert(parentNodeGui_i);
        nodegui->setParentMultiInstance( boost::dynamic_pointer_cast<NodeGui>(parentNodeGui_i) );
    }

    bool isViewer = node->isEffectViewerInstance() != 0;
    if (isViewer) {
        _imp->_gui->createViewerGui(node);
    }

    // Must be done after the viewer gui has been created
    _imp->_gui->createNodeViewerInterface(nodegui);


    NodeGroupPtr isGroup = node->isEffectNodeGroup();
    if ( isGroup && isGroup->isSubGraphUserVisible() ) {
        _imp->_gui->createGroupGui(node, args);
    }

    ///Don't initialize inputs if it is a multi-instance child since it is not part of  the graph
    if (!parentMultiInstance) {
        nodegui->initializeInputs();
    }
    
    NodeSerializationPtr serialization = args.getProperty<NodeSerializationPtr >(kCreateNodeArgsPropNodeSerialization);
    if ( !serialization && !isViewer ) {
        ///we make sure we can have a clean preview.
        node->computePreviewImage( getTimeLine()->currentFrame() );
        triggerAutoSave();
    }


    ///only move main instances
    if ( node->getParentMultiInstanceName().empty() && !serialization) {
        bool autoConnect = args.getProperty<bool>(kCreateNodeArgsPropAutoConnect);

        if ( selectedNodes.empty() || serialization) {
            autoConnect = false;
        }
        double xPosHint = serialization ? INT_MIN : args.getProperty<double>(kCreateNodeArgsPropNodeInitialPosition, 0);
        double yPosHint = serialization ? INT_MIN : args.getProperty<double>(kCreateNodeArgsPropNodeInitialPosition, 1);
        if ( (xPosHint != INT_MIN) && (yPosHint != INT_MIN) && (!autoConnect) ) {
            QPointF pos = nodegui->mapToParent( nodegui->mapFromScene( QPointF(xPosHint, yPosHint) ) );
            nodegui->refreshPosition( pos.x(), pos.y(), true );
        } else {
            BackdropGuiPtr isBd = toBackdropGui(nodegui);
            if (!isBd) {
                NodeGuiPtr selectedNode;
                if ( !serialization && (selectedNodes.size() == 1) ) {
                    selectedNode = selectedNodes.front();
                    BackdropGuiPtr isBdGui = toBackdropGui(selectedNode);
                    if (isBdGui) {
                        selectedNode.reset();
                    }
                }
                nodegui->getDagGui()->moveNodesForIdealPosition(nodegui, selectedNode, autoConnect);
            }
        }
    }
} // createNodeGui