C++ (Cpp) BrowserNode::itemAbove示例

void EdgeMenuDialogBase::PickNextSibling()
{
    bool continueSearch = true;
    BrowserNode * nextNode = 0;
    BrowserNode * originalNode = GetCurrentNode();
    BrowserNode * currentNode = originalNode;

    while (continueSearch)
    {

        nextNode = dynamic_cast<BrowserNode *>(currentNode->itemAbove());
        QLOG_INFO() << "CurrentNode is: "<< currentNode->get_name();
        if (!nextNode)
            break;

        QLOG_INFO() << "NEXT: " << nextNode->get_name() << " " << nextNode->depth();


        QLOG_INFO() << "NextNode is: "<< nextNode->get_name();
        bool sameLevel = originalNode->depth() == nextNode->depth();
        bool sameType = originalNode->get_stype() == nextNode->get_stype();

        QLOG_INFO() << originalNode->get_stype();
        QLOG_INFO() << nextNode->get_stype();
        //        QLOG_INFO() << "NEXT: " << "Origin level : " << originalNode->depth();
        //        QLOG_INFO() << "NEXT: " << "Current level : " << nextNode->depth();
        if (sameLevel && sameType)
            continueSearch = false;

        currentNode = nextNode;
    }

    if (nextNode == 0)
        return;

    SaveData();
    FillGuiElements(nextNode);
}