/mod/lesson/pagetypes/essay.php
PHP | 310 lines | 249 code | 34 blank | 27 comment | 39 complexity | 0bf69f1db61f925804fe7f0fdf106034 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-3.0, GPL-3.0, LGPL-2.1, Apache-2.0, BSD-3-Clause, AGPL-3.0
- <?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/>.
- /**
- * Essay
- *
- * @package mod
- * @subpackage lesson
- * @copyright 2009 Sam Hemelryk
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- **/
- defined('MOODLE_INTERNAL') || die();
- /** Essay question type */
- define("LESSON_PAGE_ESSAY", "10");
- class lesson_page_type_essay extends lesson_page {
- protected $type = lesson_page::TYPE_QUESTION;
- protected $typeidstring = 'essay';
- protected $typeid = LESSON_PAGE_ESSAY;
- protected $string = null;
- public function get_typeid() {
- return $this->typeid;
- }
- public function get_typestring() {
- if ($this->string===null) {
- $this->string = get_string($this->typeidstring, 'lesson');
- }
- return $this->string;
- }
- public function get_idstring() {
- return $this->typeidstring;
- }
- public function display($renderer, $attempt) {
- global $PAGE, $CFG, $USER;
- $mform = new lesson_display_answer_form_essay($CFG->wwwroot.'/mod/lesson/continue.php', array('contents'=>$this->get_contents(), 'lessonid'=>$this->lesson->id));
- $data = new stdClass;
- $data->id = $PAGE->cm->id;
- $data->pageid = $this->properties->id;
- if (isset($USER->modattempts[$this->lesson->id])) {
- $essayinfo = unserialize($attempt->useranswer);
- $data->answer = $essayinfo->answer;
- }
- $mform->set_data($data);
- return $mform->display();
- }
- public function create_answers($properties) {
- global $DB;
- // now add the answers
- $newanswer = new stdClass;
- $newanswer->lessonid = $this->lesson->id;
- $newanswer->pageid = $this->properties->id;
- $newanswer->timecreated = $this->properties->timecreated;
- if (isset($properties->jumpto[0])) {
- $newanswer->jumpto = $properties->jumpto[0];
- }
- if (isset($properties->score[0])) {
- $newanswer->score = $properties->score[0];
- }
- $newanswer->id = $DB->insert_record("lesson_answers", $newanswer);
- $answers = array($newanswer->id => new lesson_page_answer($newanswer));
- $this->answers = $answers;
- return $answers;
- }
- public function check_answer() {
- global $PAGE, $CFG;
- $result = parent::check_answer();
- $result->isessayquestion = true;
- $mform = new lesson_display_answer_form_essay($CFG->wwwroot.'/mod/lesson/continue.php', array('contents'=>$this->get_contents()));
- $data = $mform->get_data();
- require_sesskey();
- if (!$data) {
- redirect(new moodle_url('/mod/lesson/view.php', array('id'=>$PAGE->cm->id, 'pageid'=>$this->properties->id)));
- }
- if (is_array($data->answer)) {
- $studentanswer = $data->answer['text'];
- $studentanswerformat = $data->answer['format'];
- } else {
- $studentanswer = $data->answer;
- $studentanswerformat = FORMAT_MOODLE;
- }
- if (trim($studentanswer) === '') {
- $result->noanswer = true;
- return $result;
- }
- $answers = $this->get_answers();
- foreach ($answers as $answer) {
- $result->answerid = $answer->id;
- $result->newpageid = $answer->jumpto;
- }
- $userresponse = new stdClass;
- $userresponse->sent=0;
- $userresponse->graded = 0;
- $userresponse->score = 0;
- $userresponse->answer = $studentanswer;
- $userresponse->answerformat = $studentanswerformat;
- $userresponse->response = "";
- $result->userresponse = serialize($userresponse);
- $result->studentanswerformat = $studentanswerformat;
- $result->studentanswer = s($studentanswer);
- return $result;
- }
- public function update($properties, $context = null, $maxbytes = null) {
- global $DB, $PAGE;
- $answers = $this->get_answers();
- $properties->id = $this->properties->id;
- $properties->lessonid = $this->lesson->id;
- $properties->timemodified = time();
- $properties = file_postupdate_standard_editor($properties, 'contents', array('noclean'=>true, 'maxfiles'=>EDITOR_UNLIMITED_FILES, 'maxbytes'=>$PAGE->course->maxbytes), context_module::instance($PAGE->cm->id), 'mod_lesson', 'page_contents', $properties->id);
- $DB->update_record("lesson_pages", $properties);
- if (!array_key_exists(0, $this->answers)) {
- $this->answers[0] = new stdClass;
- $this->answers[0]->lessonid = $this->lesson->id;
- $this->answers[0]->pageid = $this->id;
- $this->answers[0]->timecreated = $this->timecreated;
- }
- if (isset($properties->jumpto[0])) {
- $this->answers[0]->jumpto = $properties->jumpto[0];
- }
- if (isset($properties->score[0])) {
- $this->answers[0]->score = $properties->score[0];
- }
- if (!isset($this->answers[0]->id)) {
- $this->answers[0]->id = $DB->insert_record("lesson_answers", $this->answers[0]);
- } else {
- $DB->update_record("lesson_answers", $this->answers[0]->properties());
- }
- return true;
- }
- public function stats(array &$pagestats, $tries) {
- if(count($tries) > $this->lesson->maxattempts) { // if there are more tries than the max that is allowed, grab the last "legal" attempt
- $temp = $tries[$this->lesson->maxattempts - 1];
- } else {
- // else, user attempted the question less than the max, so grab the last one
- $temp = end($tries);
- }
- $essayinfo = unserialize($temp->useranswer);
- if ($essayinfo->graded) {
- if (isset($pagestats[$temp->pageid])) {
- $essaystats = $pagestats[$temp->pageid];
- $essaystats->totalscore += $essayinfo->score;
- $essaystats->total++;
- $pagestats[$temp->pageid] = $essaystats;
- } else {
- $essaystats = new stdClass();
- $essaystats->totalscore = $essayinfo->score;
- $essaystats->total = 1;
- $pagestats[$temp->pageid] = $essaystats;
- }
- }
- return true;
- }
- public function report_answers($answerpage, $answerdata, $useranswer, $pagestats, &$i, &$n) {
- $answers = $this->get_answers();
- $formattextdefoptions = new stdClass;
- $formattextdefoptions->para = false; //I'll use it widely in this page
- $formattextdefoptions->context = $answerpage->context;
- foreach ($answers as $answer) {
- if ($useranswer != null) {
- $essayinfo = unserialize($useranswer->useranswer);
- if ($essayinfo->response == null) {
- $answerdata->response = get_string("nocommentyet", "lesson");
- } else {
- $answerdata->response = s($essayinfo->response);
- }
- if (isset($pagestats[$this->properties->id])) {
- $percent = $pagestats[$this->properties->id]->totalscore / $pagestats[$this->properties->id]->total * 100;
- $percent = round($percent, 2);
- $percent = get_string("averagescore", "lesson").": ". $percent ."%";
- } else {
- // dont think this should ever be reached....
- $percent = get_string("nooneansweredthisquestion", "lesson");
- }
- if ($essayinfo->graded) {
- if ($this->lesson->custom) {
- $answerdata->score = get_string("pointsearned", "lesson").": ".$essayinfo->score;
- } elseif ($essayinfo->score) {
- $answerdata->score = get_string("receivedcredit", "lesson");
- } else {
- $answerdata->score = get_string("didnotreceivecredit", "lesson");
- }
- } else {
- $answerdata->score = get_string("havenotgradedyet", "lesson");
- }
- } else {
- $essayinfo = new stdClass();
- $essayinfo->answer = get_string("didnotanswerquestion", "lesson");
- $essayinfo->answerformat = null;
- }
- if (isset($pagestats[$this->properties->id])) {
- $avescore = $pagestats[$this->properties->id]->totalscore / $pagestats[$this->properties->id]->total;
- $avescore = round($avescore, 2);
- $avescore = get_string("averagescore", "lesson").": ". $avescore ;
- } else {
- // dont think this should ever be reached....
- $avescore = get_string("nooneansweredthisquestion", "lesson");
- }
- $answerdata->answers[] = array(format_text($essayinfo->answer, $essayinfo->answerformat, $formattextdefoptions), $avescore);
- $answerpage->answerdata = $answerdata;
- }
- return $answerpage;
- }
- public function is_unanswered($nretakes) {
- global $DB, $USER;
- if (!$DB->count_records("lesson_attempts", array('pageid'=>$this->properties->id, 'userid'=>$USER->id, 'retry'=>$nretakes))) {
- return true;
- }
- return false;
- }
- public function requires_manual_grading() {
- return true;
- }
- public function get_earnedscore($answers, $attempt) {
- $essayinfo = unserialize($attempt->useranswer);
- return $essayinfo->score;
- }
- }
- class lesson_add_page_form_essay extends lesson_add_page_form_base {
- public $qtype = 'essay';
- public $qtypestring = 'essay';
- public function custom_definition() {
- $this->add_jumpto(0);
- $this->add_score(0, null, 1);
- }
- }
- class lesson_display_answer_form_essay extends moodleform {
- public function definition() {
- global $USER, $OUTPUT;
- $mform = $this->_form;
- $contents = $this->_customdata['contents'];
- $hasattempt = false;
- $attrs = '';
- $useranswer = '';
- $useranswerraw = '';
- if (isset($this->_customdata['lessonid'])) {
- $lessonid = $this->_customdata['lessonid'];
- if (isset($USER->modattempts[$lessonid]->useranswer) && !empty($USER->modattempts[$lessonid]->useranswer)) {
- $attrs = array('disabled' => 'disabled');
- $hasattempt = true;
- $useranswertemp = unserialize($USER->modattempts[$lessonid]->useranswer);
- $useranswer = htmlspecialchars_decode($useranswertemp->answer, ENT_QUOTES);
- $useranswerraw = $useranswertemp->answer;
- }
- }
- $mform->addElement('header', 'pageheader');
- $mform->addElement('html', $OUTPUT->container($contents, 'contents'));
- $options = new stdClass;
- $options->para = false;
- $options->noclean = true;
- $mform->addElement('hidden', 'id');
- $mform->setType('id', PARAM_INT);
- $mform->addElement('hidden', 'pageid');
- $mform->setType('pageid', PARAM_INT);
- if ($hasattempt) {
- $mform->addElement('hidden', 'answer', $useranswerraw);
- $mform->setType('answer', PARAM_RAW);
- $mform->addElement('html', $OUTPUT->container(get_string('youranswer', 'lesson'), 'youranswer'));
- $mform->addElement('html', $OUTPUT->container($useranswer, 'reviewessay'));
- $this->add_action_buttons(null, get_string("nextpage", "lesson"));
- } else {
- $mform->addElement('editor', 'answer', get_string('youranswer', 'lesson'), null, null);
- $mform->setType('answer', PARAM_RAW);
- $this->add_action_buttons(null, get_string("submit", "lesson"));
- }
- }
- }