<?php

abstract class App_ECommerce_Product_Abstract_Form extends Qs_Form
{
    protected function _initPaths()
    {
        parent::_initPaths();
        $this->addPrefixPath(
            'App_ECommerce_Product_Form_Element',
            'App/ECommerce/Product/Form/Element/',
            'element'
        );
        $this->addPrefixPath(
            'App_ECommerce_Product_Form_Decorator',
            'App/ECommerce/Product/Form/Decorator/',
            'decorator'
        );
        $this->_addHelperPath($this->getView());
        return $this;
    }

    protected function _addHelperPath(Qs_View $view)
    {
        $view->addHelperPath('App/ECommerce/Product/View/Helper/', 'App_ECommerce_Product_View_Helper_');
        return $this;
    }

    public function getAjaxData()
    {
        $data = parent::getAjaxData();

        foreach ($this as $item) {
            if ($item instanceof App_ECommerce_Product_Form_Element_CategoriesSelector) {
                /** @var $item Zend_Form_Element */
                $name = $item->getName();
                if ($item->isRequired() && null === Qs_Array::get($data, $name, null)) {
                    Qs_Array::set($data, $name, '');
                }
            }
        }

        return $data;
    }
}