<?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) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
 *               2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
 *
 */

namespace oat\taoQtiItem\model\import;

use oat\generis\Helper\SystemHelper;
use \tao_helpers_form_FormContainer;
use \tao_helpers_form_xhtml_Form;
use \tao_helpers_form_xhtml_TagWrapper;
use \tao_helpers_form_FormFactory;
use \tao_helpers_Environment;

/**
 * Import form for QTI packages
 *
 * @access public
 * @author Joel Bout, <joel.bout@tudor.lu>
 * @package taoQTI

 */
class QtiPackageImportForm extends tao_helpers_form_FormContainer
{
    // --- ASSOCIATIONS ---


    // --- ATTRIBUTES ---

    // --- OPERATIONS ---
    /**
     * (non-PHPdoc)
     * @see tao_helpers_form_FormContainer::initForm()
     */
    public function initForm()
    {
        $this->form = new tao_helpers_form_xhtml_Form('export');

        $this->form->setDecorators([
            'element'           => new tao_helpers_form_xhtml_TagWrapper(['tag' => 'div']),
            'group'             => new tao_helpers_form_xhtml_TagWrapper(['tag' => 'div', 'cssClass' => 'form-group']),
            'error'             => new tao_helpers_form_xhtml_TagWrapper(['tag' => 'div', 'cssClass' => 'form-error ui-state-error ui-corner-all']),
            'actions-bottom'    => new tao_helpers_form_xhtml_TagWrapper(['tag' => 'div', 'cssClass' => 'form-toolbar']),
            'actions-top'       => new tao_helpers_form_xhtml_TagWrapper(['tag' => 'div', 'cssClass' => 'form-toolbar'])
        ]);

        $submitElt = tao_helpers_form_FormFactory::getElement('import', 'Free');
        $submitElt->setValue('<a href="#" class="form-submitter btn-success small"><span class="icon-import"></span> ' . __('Import') . '</a>');
        

        $this->form->setActions([$submitElt], 'bottom');
    }
    
    /**
     * (non-PHPdoc)
     * @see tao_helpers_form_FormContainer::initElements()
     */
    public function initElements()
    {
        //create file upload form box
        $fileElt = tao_helpers_form_FormFactory::getElement('source', 'AsyncFile');
        $fileElt->setDescription(__("Add a ZIP file containing QTI/APIP items"));
        if (isset($_POST['import_sent_qti'])) {
            $fileElt->addValidator(tao_helpers_form_FormFactory::getValidator('NotEmpty'));
        } else {
            $fileElt->addValidator(tao_helpers_form_FormFactory::getValidator('NotEmpty', ['message' => '']));
        }
        $fileElt->addValidators([
            tao_helpers_form_FormFactory::getValidator('FileMimeType', ['mimetype' => ['application/zip', 'application/x-zip', 'application/x-zip-compressed', 'application/octet-stream'], 'extension' => ['zip']]),
            tao_helpers_form_FormFactory::getValidator('FileSize', ['max' => SystemHelper::getFileUploadLimit()])
        ]);
        $this->form->addElement($fileElt);
        
        $rollbackElt = tao_helpers_form_FormFactory::getElement('rollback', 'Checkbox');
        $rollbackElt->setOptions(['error' => 'error', 'warning' => 'warning']);
        $rollbackElt->setDescription(__('Rollback on...'));
        $this->form->addElement($rollbackElt);
        
        $this->form->createGroup('file', __('Import a QTI/APIP Content Package'), ['source', 'rollback']);
        
        
        $qtiSentElt = tao_helpers_form_FormFactory::getElement('import_sent_qti', 'Hidden');
        $qtiSentElt->setValue(1);
        $this->form->addElement($qtiSentElt);
    }
}