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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\fillin
*
* @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;
use stdClass;
/**
* Class to display H5P fill-in result.
*
* @copyright 2020 Ferran Recio
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class fillin extends result {
/**
* Return the options data structure.
*
* @return array of options
*/
protected function export_options(): ?array {
$correctpatterns = $this->correctpattern;
$additionals = $this->additionals;
$extensions = (array) $additionals->extensions ?? [];
// There are two way in which H5P could force case sensitivity, with extensions
// or using options in the correctpatterns. By default it is case sensible.
$casesensitive = $extensions['https://h5p.org/x-api/case-sensitivity'] ?? true;
if (!empty($this->result->correctpattern) && strpos($this->result->correctpattern, '{case_matters=false}') !== null) {
$casesensitive = false;
}
$values = [];
// Add all possibilities from $additionals.
if (isset($extensions['https://h5p.org/x-api/alternatives'])) {
foreach ($extensions['https://h5p.org/x-api/alternatives'] as $key => $value) {
if (!is_array($value)) {
$value = [$value];
}
$values[$key] = ($casesensitive) ? $value : array_change_key_case($value);
}
}
// Add possibilities from correctpattern.
foreach ($correctpatterns as $correctpattern) {
foreach ($correctpattern as $key => $pattern) {
// The xAPI admits more params a part form values.
// For now this extra information is not used in reporting
// but it is posible future H5P types need them.
$value = preg_replace('/\{.+=.*\}/', '', $pattern);
$value = ($casesensitive) ? $value : strtolower($value);
if (!isset($values[$key])) {
$values[$key] = [];
}
if (!in_array($value, $values[$key])) {
array_unshift($values[$key], $value);
}
}
}
// Generate options.
$options = [];
$num = 1;
foreach ($values as $key => $value) {
$option = (object)[
'id' => $key,
'description' => get_string('result_fill-in_gap', 'mod_h5pactivity', $num),
];
$gapresponse = $this->response[$key] ?? null;
$gapresponse = ($casesensitive) ? $gapresponse : strtolower($gapresponse);
if ($gapresponse !== null && in_array($gapresponse, $value)) {
$state = parent::CORRECT;
} else {
$state = parent::INCORRECT;
}
$option->useranswer = $this->get_answer($state, $gapresponse);
$option->correctanswer = $this->get_answer(parent::TEXT, implode(' / ', $value));
$options[] = $option;
$num++;
}
return $options;
}
/**
* Return a label for result user options/choices
*
* Specific result types can override this method to customize
* the result options table header.
*
* @return string to use in options table
*/
protected function get_optionslabel(): string {
return get_string('result_matching', 'mod_h5pactivity');
}
}