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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Contains class mod_h5pactivity\output\result\choice
*
* @package mod_h5pactivity
* @copyright 2020 Ferran Recio
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_h5pactivity\output\result;
defined('MOODLE_INTERNAL') || die();
use mod_h5pactivity\output\result;
use renderer_base;
/**
* Class to display H5P choice result.
*
* @copyright 2020 Ferran Recio
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class choice extends result {
/**
* Return the options data structure.
*
* @return array of options
*/
protected function export_options(): ?array {
// Suppose H5P choices have only a single list of valid answers.
$correctpattern = reset($this->correctpattern);
if (empty($correctpattern)) {
$correctpattern = [];
}
$additionals = $this->additionals;
// H5P has a special extension for long choices.
$extensions = (array) $additionals->extensions ?? [];
$filter = isset($extensions['https://h5p.org/x-api/line-breaks']) ? true : false;
if (isset($additionals->choices)) {
$options = $this->get_descriptions($additionals->choices);
} else {
$options = [];
}
// Some H5P activities like Find the Words don't user the standard CMI format delimiter
// and don't use propper choice additionals. In those cases the report needs to fix this
// using the correct pattern as choices and using a non standard delimiter.
if (empty($options)) {
if (count($correctpattern) == 1) {
$correctpattern = explode(',', reset($correctpattern));
}
foreach ($correctpattern as $value) {
$option = (object)[
'id' => $value,
'description' => $value,
];
$options[$value] = $option;
}
}
foreach ($options as $key => $value) {
$correctstate = (in_array($key, $correctpattern)) ? parent::CHECKED : parent::UNCHECKED;
if (in_array($key, $this->response)) {
$answerstate = ($correctstate == parent::CHECKED) ? parent::PASS : parent::FAIL;
// In some cases, like Branching scenario H5P activity, no correct Pattern is provided
// so any answer is just a check.
if (empty($correctpattern)) {
$answerstate = parent::CHECKED;
}
$value->useranswer = $this->get_answer($answerstate);
}
$value->correctanswer = $this->get_answer($correctstate);
if ($filter && $correctstate == parent::UNCHECKED && !isset($value->useranswer)) {
unset($options[$key]);
}
}
return $options;
}
}