jelix\forms\Builder\HtmlBuilder::__construct PHP Метод

    public function __construct($form)
    {
        parent::__construct($form);
        $config = \jApp::config()->{$this->formConfig};
        if (isset($this->pluginsConf['root'])) {
            //first the builder conf
            $pluginName = $this->pluginsConf['root'];
        } elseif (isset($config['root'])) {
            //then the ini conf
            $pluginName = $config['root'];
        } else {
            //finaly the control type
            $pluginName = $this->formType;
        }
        $className = $pluginName . 'FormWidget';
        $this->rootWidget = \jApp::loadPlugin($pluginName, 'formwidget', '.formwidget.php', $className);
        if (!$this->rootWidget) {
            throw new \Exception('Unknown root widget plugin ' . $pluginName);
        }
    }