tao-test/app/tao/actions/form/class.Export.php

<?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);
 *
 */
/**
 * This container initialize the export form.
 *
 * @access public
 * @author Joel Bout, <joel@taotesting.com>
 * @package tao

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


    // --- ATTRIBUTES ---
    /**
     * @var array
     */
    private $exportHandlers;

    /**
     * @var tao_helpers_form_Form
     */
    private $subForm;

    // --- OPERATIONS ---

    public function __construct($exportHandlers, $subForm, $data)
    {
        $this->exportHandlers = $exportHandlers;
        $this->subForm = $subForm;
        parent::__construct($data);
    }

    public function setInfoBox(string $msg): void
    {
        $infoElement = tao_helpers_form_FormFactory::getElement('infoBox', 'Free');
        $infoElement->setValue($msg);
        $this->form->addElement($infoElement);
    }

    /**
     * Short description of method initForm
     *
     * @access public
     * @author Joel Bout, <joel.bout@tudor.lu>
     * @return mixed
     */
    public function initForm()
    {

        $this->form = new tao_helpers_form_xhtml_Form('exportChooser');

        $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(array('tag' => 'div', 'cssClass' => 'form-toolbar'))
        ]);

        $exportElt = tao_helpers_form_FormFactory::getElement('export', 'Free');
        $exportElt->setValue('<a href="#" class="form-submitter btn-success small"><span class="icon-export"></span>' . __('Export') . '</a>');
        $this->form->setActions([$exportElt], 'bottom');
    }

    /**
     * Short description of method initElements
     *
     * @access public
     * @return mixed
     * @throws common_Exception
     * @author Joel Bout, <joel.bout@tudor.lu>
     */
    public function initElements()
    {
        if (count($this->exportHandlers) > 1) {
            //create the element to select the import format
            $formatElt = tao_helpers_form_FormFactory::getElement('exportHandler', 'Radiobox');
            $formatElt->setDescription(__('Choose export format'));

            //mandatory field
            $formatElt->addValidator(tao_helpers_form_FormFactory::getValidator('NotEmpty'));
            $formatElt->setOptions($this->getFormats());

            if (isset($_POST['exportHandler'])) {
                if (array_key_exists($_POST['exportHandler'], $this->getFormats())) {
                    $formatElt->setValue($_POST['exportHandler']);
                }
            }

            $this->form->addElement($formatElt);
            $this->form->createGroup('formats', '<h3>' . __('Supported export formats') . '</h3>', ['exportHandler']);
        }

        if (isset($this->data['instance'])) {
            $item = $this->data['instance'];
            if ($item instanceof core_kernel_classes_Resource) {
                //add an hidden elt for the instance Uri
                $uriElt = tao_helpers_form_FormFactory::getElement('uri', 'Hidden');
                $uriElt->setValue($item->getUri());
                $this->form->addElement($uriElt);
            }
        }
        if (isset($this->data['class'])) {
            $class = $this->data['class'];
            if ($class instanceof core_kernel_classes_Class) {
                //add an hidden elt for the class uri
                $classUriElt = tao_helpers_form_FormFactory::getElement('classUri', 'Hidden');
                $classUriElt->setValue($class->getUri());
                $this->form->addElement($classUriElt);
            }
        }

        $idElt = tao_helpers_form_FormFactory::getElement('id', 'Hidden');
        $this->form->addElement($idElt);

        foreach ($this->subForm->getElements() as $element) {
            $this->form->addElement($element);
        }
        foreach ($this->subForm->getGroups() as $group) {
            $this->form->createGroup($group['title'], $group['title'], $group['elements'], $group['options']);
        }
    }

    private function getFormats()
    {
        $returnValue = [];
        foreach ($this->exportHandlers as $exportHandler) {
            $returnValue[get_class($exportHandler)] = $exportHandler->getLabel();
        }
        return $returnValue;
    }
}