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questiontype.php
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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/>.
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/question/type/wq/questiontype.php');
require_once($CFG->dirroot . '/question/type/shortanswer/questiontype.php');
require_once($CFG->dirroot . '/question/type/wq/quizzes/quizzes.php');
require_once($CFG->dirroot . '/question/type/shortanswerwiris/lib.php');
class qtype_shortanswerwiris extends qtype_wq {
public function __construct() {
parent::__construct(new qtype_shortanswer());
}
public function extra_question_fields() {
return array('qtype_shortanswer_options', 'usecase');
}
public function create_editing_form($submiturl, $question, $category, $contexts, $formeditable) {
global $CFG;
require_once($CFG->dirroot . '/question/type/shortanswerwiris/edit_shortanswerwiris_form.php');
$wform = new qtype_shortanswerwiris_helper_edit_form($submiturl, $question, $category, $contexts, $formeditable);
return new qtype_shortanswerwiris_edit_form($wform, $submiturl, $question, $category, $contexts, $formeditable);
}
public function initialise_question_instance(question_definition $question, $questiondata) {
parent::initialise_question_instance($question, $questiondata);
$question->answers = &$question->base->answers;
}
public function export_to_xml($question, qformat_xml $format, $extra=null) {
$expout = " <usecase>{$question->options->usecase}</usecase>\n";
$expout .= $format->write_answers($question->options->answers);
$expout .= parent::export_to_xml($question, $format);
return $expout;
}
public function import_from_xml($data, $question, qformat_xml $format, $extra=null) {
$wrap = com_wiris_system_CallWrapper::getInstance();
if (isset($question) && $question == 0) {
return false;
}
if (isset($data['#']['wirisquestion']) && substr($data['#']['wirisquestion'][0]['#'], 0, 9) == '«session') {
// Import from Moodle 1.x.
$iscompound = false;
if (isset($data['#']['wiriseditor'])) {
$wiriseditor = array();
parse_str($data['#']['wiriseditor'][0]['#'], $wiriseditor);
if (isset($wiriseditor['multipleAnswers']) && $wiriseditor['multipleAnswers'] == true) {
if (isset($wiriseditor['testFunctionName'])) {
$msg = '<p><strong>' . get_string('warning') . '</strong>:<br />';
$msg .= '<em>' . $data['#']['name'][0]['#']['text'][0]['#'] . '</em><br />';
$msg .= get_string('shortanswerwiris_cantimportcompoundtest', 'qtype_shortanswerwiris');
$msg .= '</p>';
echo $msg;
}
$iscompound = true;
}
}
$text = $data['#']['questiontext'][0]['#']['text'][0]['#'];
$text = $this->wrsqz_adapttext($text);
$data['#']['questiontext'][0]['#']['text'][0]['#'] = $text;
$answers = $data['#']['answer'];
foreach ($answers as $key => $value) {
$text = $answers[$key]['#']['feedback'][0]['#']['text'][0]['#'];
$text = $this->wrsqz_adapttext($text);
$data['#']['answer'][$key]['#']['feedback'][0]['#']['text'][0]['#'] = $text;
if ($iscompound) {
// Compound answers
// $originaltext will be used to check if there's a distribution.
$originaltext = $answers[$key]['#']['text'][0]['#'];
$text = wrsqz_convert_for_compound($originaltext);
$data['#']['answer'][$key]['#']['text'][0]['#'] = $text;
}
}
$text = $data['#']['generalfeedback'][0]['#']['text'][0]['#'];
$text = $this->wrsqz_adapttext($text);
$data['#']['generalfeedback'][0]['#']['text'][0]['#'] = $text;
$qo = parent::import_from_xml($data, $question, $format, $extra);
$wirisquestion = '<question><wirisCasSession>';
$wirisquestiondecoded = $this->wrsqz_mathml_decode(trim($data['#']['wirisquestion'][0]['#']));
$wirisquestion .= htmlspecialchars($wirisquestiondecoded, ENT_COMPAT, "UTF-8");
$wirisquestion .= '</wirisCasSession>';
$wirisquestion .= '<correctAnswers>';
foreach ($data['#']['answer'] as $key => $value) {
$answertext = $value['#']['text'][0]['#'];
$wirisquestion .= '<correctAnswer type="mathml">';
if ($iscompound) {
$wirisquestion .= htmlspecialchars($answertext, ENT_COMPAT, "UTF-8");
} else {
$wirisquestion .= $answertext;
}
$wirisquestion .= '</correctAnswer>';
}
$wirisquestion .= '</correctAnswers>';
if (isset($data['#']['wiriseditor'])) {
$wiriseditor = array();
parse_str($data['#']['wiriseditor'][0]['#'], $wiriseditor);
if (count($wiriseditor) > 0) {
// Grade function.
$wrap->start();
$wirisquestion .= '<assertions>';
if (isset($wiriseditor['testFunctionName'])) {
foreach ($answers as $key => $value) {
// @codingStandardsIgnoreStart
$wirisquestion .= '<assertion name="' .
com_wiris_quizzes_impl_Assertion::$SYNTAX_EXPRESSION . '" correctAnswer="' . $key . '"/>';
}
// @codingStandardsIgnoreEnd
foreach ($wiriseditor['testFunctionName'] as $key => $value) {
// @codingStandardsIgnoreStart
$wirisquestion .= '<assertion name="' .
com_wiris_quizzes_impl_Assertion::$EQUIVALENT_FUNCTION . '" correctAnswer="' . $key . '">';
// @codingStandardsIgnoreEnd
if (substr($value, 0, 1) == '#') {
$value = substr($value, 1);
}
$wirisquestion .= '<param name="name">' . $value . '</param>';
$wirisquestion .= '</assertion>';
}
} else {
foreach ($answers as $key => $value) {
// @codingStandardsIgnoreStart
$wirisquestion .= '<assertion name="' .
com_wiris_quizzes_impl_Assertion::$SYNTAX_EXPRESSION. '" correctAnswer="' . $key . '"/>';
$wirisquestion .= '<assertion name="' .
com_wiris_quizzes_impl_Assertion::$EQUIVALENT_SYMBOLIC . '" correctAnswer="' . $key . '"/>';
// @codingStandardsIgnoreEnd
}
}
$wirisquestion .= '</assertions>';
$wrap->stop();
// Editor and compound answer.
$wirisquestion .= '<localData>';
if (!$iscompound) {
if (isset($wiriseditor['editor']) && $wiriseditor['editor'] == true) {
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_ANSWER_FIELD_TYPE . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$ANSWER_FIELD_TYPE_INLINE_EDITOR;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
} else {
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_ANSWER_FIELD_TYPE . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$ANSWER_FIELD_TYPE_TEXT;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
}
} else {
// For compound answer set as default Popup editor.
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_ANSWER_FIELD_TYPE . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$ANSWER_FIELD_TYPE_POPUP_EDITOR;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_COMPOUND_ANSWER_GRADE . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_VALUE_COMPOUND_ANSWER_GRADE_DISTRIBUTE;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
$distribution = $this->wrsqz_get_distribution($originaltext);
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' .
com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_COMPOUND_ANSWER_GRADE_DISTRIBUTION . '">';
// @codingStandardsIgnoreEnd
if ($distribution != '') {
$wirisquestion .= $distribution;
}
$wirisquestion .= '</data>';
}
if (isset($wiriseditor['multipleAnswers']) && $wiriseditor['multipleAnswers'] == true) {
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_COMPOUND_ANSWER . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_VALUE_COMPOUND_ANSWER_TRUE;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
} else {
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_COMPOUND_ANSWER . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_VALUE_COMPOUND_ANSWER_FALSE;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
}
if (isset($data['#']['wirisoptions']) && count($data['#']['wirisoptions'][0]['#']) > 0) {
$wirisquestion .= $this->wrsqz_get_cas_for_computations($data);
$wirisquestion .= $this->wrsqz_hidden_initial_cas_value($data);
}
$wirisquestion .= '</localData>';
} else {
$wirisquestion .= '<localData>';
if (isset($data['#']['wirisoptions']) && count($data['#']['wirisoptions'][0]['#']) > 0) {
$wirisquestion .= $this->wrsqz_get_cas_for_computations($data);
$wirisquestion .= $this->wrsqz_hidden_initial_cas_value($data);
}
// @codingStandardsIgnoreStart
$wirisquestion .= '<data name="' . com_wiris_quizzes_api_QuizzesConstants::$PROPERTY_ANSWER_FIELD_TYPE . '">';
$wirisquestion .= com_wiris_quizzes_api_QuizzesConstants::$ANSWER_FIELD_TYPE_TEXT;
// @codingStandardsIgnoreEnd
$wirisquestion .= '</data>';
$wirisquestion .= '</localData>';
}
}
$wirisquestion .= '</question>';
$qo->wirisquestion = $wirisquestion;
} else {
// Import from Moodle 2.x.
$qo = $format->import_shortanswer($data);
$qo->qtype = 'shortanswerwiris';
$qo->wirisquestion = trim($this->decode_html_entities($data['#']['wirisquestion'][0]['#']));
}
return $qo;
}
private function wrsqz_get_distribution($text) {
$distribution = '';
$text = trim($text);
$answerarray = explode("#", $text);
foreach ($answerarray as $key => $value) {
if (strpos($value, '(')) {
$value = trim($value);
$compoundarray = explode(" ", $value);
$distribution .= $compoundarray[1] . ' ';
}
}
$distribution = str_replace('(', '', $distribution);
$distribution = str_replace(')', '', $distribution);
return trim($distribution);
}
}