Method copyNodesAndCreateInGroup

Gui/NodeGraph45.cpp:648–690

}

void
NodeGraph::copyNodesAndCreateInGroup(const NodesGuiList& nodes,
                                     const NodeCollectionPtr& group,
                                     std::list<std::pair<std::string, NodeGuiPtr> >& createdNodes)
{
    {
        CreatingNodeTreeFlag_RAII createNodeTree( getGui()->getApp() );
        NodeClipBoard clipboard;
        _imp->copyNodesInternal(nodes, clipboard);

        std::map<std::string, std::string> oldNewScriptNamesMapping;
        std::list<NodeSerializationPtr>::const_iterator itOther = clipboard.nodes.begin();
        for (std::list<NodeGuiSerializationPtr>::const_iterator it = clipboard.nodesUI.begin();
             it != clipboard.nodesUI.end(); ++it, ++itOther) {
            NodeGuiPtr node = _imp->pasteNode( *itOther, *it, QPointF(0, 0), group, std::string(), false, &oldNewScriptNamesMapping);
            assert(node);
            if (node) {
                oldNewScriptNamesMapping[(*itOther)->getNodeScriptName()] = node->getNode()->getScriptName();
                createdNodes.push_back( std::make_pair( (*itOther)->getNodeScriptName(), node ) );
            }
        }
        assert( clipboard.nodes.size() == createdNodes.size() );
        if ( clipboard.nodes.size() != createdNodes.size() ) {
            return;
        }

        ///Now that all nodes have been duplicated, try to restore nodes connections
        _imp->restoreConnections(clipboard.nodes, createdNodes, oldNewScriptNamesMapping);

        //Restore links once all children are created for alias knobs/expressions
        NodesList allNodes;
        getGui()->getApp()->getProject()->getActiveNodesExpandGroups(&allNodes);

        std::list<NodeSerializationPtr>::const_iterator itSerialization = clipboard.nodes.begin();
        for (std::list<std::pair<std::string, NodeGuiPtr> > ::iterator it = createdNodes.begin(); it != createdNodes.end(); ++it, ++itSerialization) {
            it->second->getNode()->storeKnobsLinks(**itSerialization, oldNewScriptNamesMapping);
            it->second->getNode()->restoreKnobsLinks(allNodes, oldNewScriptNamesMapping, true); // may not fail
        }

    }

    getGui()->getApp()->getProject()->forceComputeInputDependentDataOnAllTrees();
}

QPointF
NodeGraph::getRootPos() const