Method PasteNodes

Code/EngineTools/NodeGraph/NodeGraph_View.cpp:1454–1617

        {
            auto pFlowGraph = GetFlowGraph();

            xml_node copiedConnectionsNode = dataNode.append_child( s_copiedConnectionsNodeName );

            for ( auto const& connection : pFlowGraph->m_connections )
            {
                auto SearchPredicate = [] ( BaseNode const* pNode, UUID const& nodeID ) { return pNode->GetID() == nodeID; };
                bool const wasFromNodeCopied = VectorContains( nodesToCopy, connection.m_fromNodeID, SearchPredicate );
                bool const wasToNodeCopied = VectorContains( nodesToCopy, connection.m_toNodeID, SearchPredicate );
                if ( wasFromNodeCopied && wasToNodeCopied )
                {
                    Serialization::WriteType( typeRegistry, &connection, copiedConnectionsNode );
                }
            }
        }

        //-------------------------------------------------------------------------

        String xmlStr;
        Serialization::WriteXmlToString( copiedData, xmlStr );
        ImGui::SetClipboardText( xmlStr.c_str() );
    }

    void GraphView::PasteNodes( TypeSystem::TypeRegistry const& typeRegistry, ImVec2 const& canvasPastePosition )
    {
        EE_ASSERT( m_pGraph != nullptr );

        if ( m_isReadOnly )
        {
            return;
        }

        // Get pasted data
        //-------------------------------------------------------------------------

        char const* pClipboardText = ImGui::GetClipboardText();
        if ( pClipboardText == nullptr )
        {
            return;
        }

        xml_document document;
        if ( !Serialization::ReadXmlFromString( pClipboardText, document ) )
        {
            return;
        }

        xml_node copiedDataNode = document.child( s_graphCopiedDataNodeName );
        if ( copiedDataNode.empty() )
        {
            return;
        }

        // Deserialize pasted nodes and regenerated IDs
        //-------------------------------------------------------------------------

        Log log( LogCategory::Tools, "Node Graph - Paste Node" );
        xml_node copiedNodesNode = copiedDataNode.child( s_copiedNodesNodeName );
        TInlineVector<xml_node, 10> graphNodeNodes;