Function buildTreeNodeModelFromXML

bt_editor/XML_utilities.cpp:12–79

using namespace QtNodes;

NodeModel buildTreeNodeModelFromXML(const QDomElement& node)
{
    PortModels ports_list;

    QString tag_name = node.tagName();
    QString ID = tag_name;
    if(  node.hasAttribute("ID") )
    {
        ID = QString(node.attribute("ID"));
    }

    const auto node_type = BT::convertFromString<BT::NodeType>(tag_name.toStdString());

    if( node_type == BT::NodeType::UNDEFINED )
    {
        return {};
    }

    // this make sense for ports inside the <BehaviorTree> tag
    QDomNamedNodeMap attributes = node.attributes ();
    for (int i=0; i< attributes.size(); i++ )
    {
        QDomAttr attr = attributes.item(i).toAttr();

        QString attr_name( attr.name() );
        if(attr_name != "ID" && attr_name != "name")
        {
            PortModel port_model;
            port_model.direction = PortDirection::INOUT;
            ports_list.insert( { attr_name, std::move(port_model)} );
        }
    }
    // this is used for ports inside the <TreeNodesModel> tag
    const std::vector<std::pair<QString, PortDirection>> portsTypes = {
        {"input_port", PortDirection::INPUT},
        {"output_port", PortDirection::OUTPUT},
        {"inout_port", PortDirection::INPUT}
    };

    for(const auto& it: portsTypes)
    {
        for( QDomElement port_element = node.firstChildElement( it.first );
             !port_element.isNull();
             port_element = port_element.nextSiblingElement( it.first ) )
        {
            PortModel port_model;
            port_model.direction = it.second;
            port_model.description = port_element.text();

            if( port_element.hasAttribute("type") )
            {
                port_model.type_name = port_element.attribute("type");
            }
            if( port_element.hasAttribute("default") )
            {
                port_model.default_value = port_element.attribute("default");
            }