<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @copyright   Copyright (c) 2011 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * @category   Mage
 * @package    Mage_Adminhtml
 * @author      Magento Core Team <core@magentocommerce.com>
 */

class Mage_Adminhtml_Block_Catalog_Product_Attribute_Set_Toolbar_Main_Filter extends Mage_Adminhtml_Block_Widget_Form
{
    public function __construct()
    {
        parent::__construct();
    }

    protected function _prepareForm()
    {
        $form = new Varien_Data_Form();

        $collection = Mage::getModel('eav/entity_attribute_set')
            ->getResourceCollection()
            ->load()
            ->toOptionArray();

        $form->addField('set_switcher', 'select',
            array(
                'name' => 'set_switcher',
                'required' => true,
                'class' => 'left-col-block',
                'no_span' => true,
                'values' => $collection,
                'onchange' => 'this.form.submit()',
            )
        );

        $form->setUseContainer(true);
        $form->setMethod('post');
        $this->setForm($form);
    }
}
