void ExplorerTreeView::openMaxClientSetDialog()
    {
        QModelIndex sel = selectedIndex();
        if(!sel.isValid()){
            return;
        }

        ExplorerServerItem *node = common::utils_qt::item<ExplorerServerItem*>(sel);
        if(!node){
            return;
        }

        IServerSPtr server = node->server();
        if(!server){
            return;
        }

        bool ok;
        int maxcl = QInputDialog::getInt(this, tr("Set max connection on %1 server").arg(server->name()),
                                             tr("Maximum connection:"), 10000, 1, INT32_MAX, 100, &ok);
        if(ok){
            server->setMaxConnection(maxcl);
        }
    }