<?php

class Qs_Form_Decorator_Form extends Zend_Form_Decorator_Form
{
    public function initRender()
    {
        /** @var $form Qs_Form */
        $form = $this->getElement();
        if ($form->getAjaxValidation() && !($form instanceof Zend_Form_SubForm)) {
            /** @var $doc Qs_Doc */
            $doc = Zend_Registry::get('doc');
            $options = $form->getScriptOptions();
            $doc->addScript('js/lib/form.js')
                ->addScript('js/jquery.scrollTo.js')
                ->addInitFunction('Qs_Form.init', [$form->getId(), $options]);

        }
        return $this;
    }
}