Method checkValid

bt_editor/custom_node_dialog.cpp:129–197

void CustomNodeDialog::checkValid()
{
    bool valid = false;
    auto name = ui->lineEdit->text();
    int pos;

    if( name.toLower() == "root" )
    {
        ui->labelWarning->setText("The name 'root' is forbidden");
    }
    else if( name.isEmpty() )
    {
        ui->labelWarning->setText("The name cannot be empty");
    }
    else if( _validator->validate(name, pos) != QValidator::Acceptable)
    {
        ui->labelWarning->setText("Invalid name: use only letters, digits and underscores");
    }
    else if( _models.count( name ) > 0 && !_editing )
    {
        ui->labelWarning->setText("Another Node has the same name");
    }
    else {

        bool empty_param_name = false;
        bool invalid_param_name = false;
        std::set<QString> param_names;
        for (int row=0; row < ui->tableWidget->rowCount(); row++ )
        {
            auto param_name = ui->tableWidget->item(row,0)->text();
            if(param_name.isEmpty())
            {
                empty_param_name = true;
            }
            else if( _validator->validate(param_name, pos) != QValidator::Acceptable)
            {
                invalid_param_name = true;
            }
            else{
                param_names.insert(param_name);
            }
        }
        if( empty_param_name )
        {
           ui->labelWarning->setText("Empty NodeParameter key");
        }
        else if( invalid_param_name )
        {
            ui->labelWarning->setText("Invalid key: use only letters, digits and underscores");
        }
        else if( param_names.size() < ui->tableWidget->rowCount() )
        {
           ui->labelWarning->setText("Duplicated NodeParameter key");
        }
        else if( param_names.size() == ui->tableWidget->rowCount() )
        {
            valid = true;
        }