<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2014 (original work) Open Assessment Technologies SA;
 *
 *
 */

namespace oat\taoDeliveryRdf\helper;

use oat\taoDeliveryRdf\model\GroupAssignment;

/**
 * Helper to render the delivery form on the group page
 *
 * @author joel bout, <joel@taotesting.com>
 * @package taoDelivery

 */
class DeliveryWidget
{
    public static function renderDeliveryTree(\core_kernel_classes_Resource $group)
    {

        // ensure constant is known since this helper can be called out of context
        \common_ext_ExtensionsManager::singleton()->getExtensionById('taoDeliveryRdf')->load();
        
        $property = new \core_kernel_classes_Property(GroupAssignment::PROPERTY_GROUP_DELIVERY);
        $tree = \tao_helpers_form_GenerisTreeForm::buildTree($group, $property);
        $tree->setData('title', __('Deliveries'));
        return $tree->render();
    }
}