/mod/lesson/pagetypes/truefalse.php
PHP | 408 lines | 326 code | 42 blank | 40 comment | 89 complexity | 795a8d1326fd0d5b02c1319430d9ebc1 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/>.
- /**
- * True/false
- *
- * @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();
- /** True/False question type */
- define("LESSON_PAGE_TRUEFALSE", "2");
- class lesson_page_type_truefalse extends lesson_page {
- protected $type = lesson_page::TYPE_QUESTION;
- protected $typeidstring = 'truefalse';
- protected $typeid = LESSON_PAGE_TRUEFALSE;
- 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 $USER, $CFG, $PAGE;
- $answers = $this->get_answers();
- shuffle($answers);
- $params = array('answers'=>$answers, 'lessonid'=>$this->lesson->id, 'contents'=>$this->get_contents(), 'attempt'=>$attempt);
- $mform = new lesson_display_answer_form_truefalse($CFG->wwwroot.'/mod/lesson/continue.php', $params);
- $data = new stdClass;
- $data->id = $PAGE->cm->id;
- $data->pageid = $this->properties->id;
- $mform->set_data($data);
- return $mform->display();
- }
- public function check_answer() {
- global $DB, $CFG;
- $formattextdefoptions = new stdClass();
- $formattextdefoptions->noclean = true;
- $formattextdefoptions->para = false;
- $answers = $this->get_answers();
- shuffle($answers);
- $params = array('answers'=>$answers, 'lessonid'=>$this->lesson->id, 'contents'=>$this->get_contents());
- $mform = new lesson_display_answer_form_truefalse($CFG->wwwroot.'/mod/lesson/continue.php', $params);
- $data = $mform->get_data();
- require_sesskey();
- $result = parent::check_answer();
- if (empty($data->answerid)) {
- $result->noanswer = true;
- return $result;
- }
- $result->answerid = $data->answerid;
- $answer = $DB->get_record("lesson_answers", array("id" => $result->answerid), '*', MUST_EXIST);
- if ($this->lesson->jumpto_is_correct($this->properties->id, $answer->jumpto)) {
- $result->correctanswer = true;
- }
- if ($this->lesson->custom) {
- if ($answer->score > 0) {
- $result->correctanswer = true;
- } else {
- $result->correctanswer = false;
- }
- }
- $result->newpageid = $answer->jumpto;
- $result->response = format_text($answer->response, $answer->responseformat, $formattextdefoptions);
- $result->studentanswer = $result->userresponse = $answer->answer;
- return $result;
- }
- public function display_answers(html_table $table) {
- $answers = $this->get_answers();
- $options = new stdClass();
- $options->noclean = true;
- $options->para = false;
- $i = 1;
- foreach ($answers as $answer) {
- $cells = array();
- if ($this->lesson->custom && $answer->score > 0) {
- // if the score is > 0, then it is correct
- $cells[] = '<span class="labelcorrect">'.get_string("answer", "lesson")." $i</span>: \n";
- } else if ($this->lesson->custom) {
- $cells[] = '<span class="label">'.get_string("answer", "lesson")." $i</span>: \n";
- } else if ($this->lesson->jumpto_is_correct($this->properties->id, $answer->jumpto)) {
- // underline correct answers
- $cells[] = '<span class="correct">'.get_string("answer", "lesson")." $i</span>: \n";
- } else {
- $cells[] = '<span class="labelcorrect">'.get_string("answer", "lesson")." $i</span>: \n";
- }
- $cells[] = format_text($answer->answer, $answer->answerformat, $options);
- $table->data[] = new html_table_row($cells);
- $cells = array();
- $cells[] = "<span class=\"label\">".get_string("response", "lesson")." $i</span>";
- $cells[] = format_text($answer->response, $answer->responseformat, $options);
- $table->data[] = new html_table_row($cells);
- $cells = array();
- $cells[] = "<span class=\"label\">".get_string("score", "lesson").'</span>';
- $cells[] = $answer->score;
- $table->data[] = new html_table_row($cells);
- $cells = array();
- $cells[] = "<span class=\"label\">".get_string("jump", "lesson").'</span>';
- $cells[] = $this->get_jump_name($answer->jumpto);
- $table->data[] = new html_table_row($cells);
- if ($i === 1){
- $table->data[count($table->data)-1]->cells[0]->style = 'width:20%;';
- }
- $i++;
- }
- return $table;
- }
- /**
- * Updates the page and its answers
- *
- * @global moodle_database $DB
- * @global moodle_page $PAGE
- * @param stdClass $properties
- * @return bool
- */
- public function update($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);
- // need to reset offset for correct and wrong responses
- $this->lesson->maxanswers = 2;
- for ($i = 0; $i < $this->lesson->maxanswers; $i++) {
- if (!array_key_exists($i, $this->answers)) {
- $this->answers[$i] = new stdClass;
- $this->answers[$i]->lessonid = $this->lesson->id;
- $this->answers[$i]->pageid = $this->id;
- $this->answers[$i]->timecreated = $this->timecreated;
- }
- if (!empty($properties->answer_editor[$i]) && is_array($properties->answer_editor[$i])) {
- $this->answers[$i]->answer = $properties->answer_editor[$i]['text'];
- $this->answers[$i]->answerformat = $properties->answer_editor[$i]['format'];
- }
- if (!empty($properties->response_editor[$i]) && is_array($properties->response_editor[$i])) {
- $this->answers[$i]->response = $properties->response_editor[$i]['text'];
- $this->answers[$i]->responseformat = $properties->response_editor[$i]['format'];
- }
- // we don't need to check for isset here because properties called it's own isset method.
- if ($this->answers[$i]->answer != '') {
- if (isset($properties->jumpto[$i])) {
- $this->answers[$i]->jumpto = $properties->jumpto[$i];
- }
- if ($this->lesson->custom && isset($properties->score[$i])) {
- $this->answers[$i]->score = $properties->score[$i];
- }
- if (!isset($this->answers[$i]->id)) {
- $this->answers[$i]->id = $DB->insert_record("lesson_answers", $this->answers[$i]);
- } else {
- $DB->update_record("lesson_answers", $this->answers[$i]->properties());
- }
- } else if (isset($this->answers[$i]->id)) {
- $DB->delete_records('lesson_answers', array('id'=>$this->answers[$i]->id));
- unset($this->answers[$i]);
- }
- }
- return true;
- }
- public function stats(array &$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);
- }
- if ($this->properties->qoption) {
- $userresponse = explode(",", $temp->useranswer);
- foreach ($userresponse as $response) {
- if (isset($pagestats[$temp->pageid][$response])) {
- $pagestats[$temp->pageid][$response]++;
- } else {
- $pagestats[$temp->pageid][$response] = 1;
- }
- }
- } else {
- if (isset($pagestats[$temp->pageid][$temp->answerid])) {
- $pagestats[$temp->pageid][$temp->answerid]++;
- } else {
- $pagestats[$temp->pageid][$temp->answerid] = 1;
- }
- }
- if (isset($pagestats[$temp->pageid]["total"])) {
- $pagestats[$temp->pageid]["total"]++;
- } else {
- $pagestats[$temp->pageid]["total"] = 1;
- }
- return true;
- }
- public function report_answers($answerpage, $answerdata, $useranswer, $pagestats, &$i, &$n) {
- $answers = $this->get_answers();
- $formattextdefoptions = new stdClass(); //I'll use it widely in this page
- $formattextdefoptions->para = false;
- $formattextdefoptions->noclean = true;
- foreach ($answers as $answer) {
- if ($this->properties->qoption) {
- if ($useranswer == null) {
- $userresponse = array();
- } else {
- $userresponse = explode(",", $useranswer->useranswer);
- }
- if (in_array($answer->id, $userresponse)) {
- // make checked
- $data = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";
- if (!isset($answerdata->response)) {
- if ($answer->response == null) {
- if ($useranswer->correct) {
- $answerdata->response = get_string("thatsthecorrectanswer", "lesson");
- } else {
- $answerdata->response = get_string("thatsthewronganswer", "lesson");
- }
- } else {
- $answerdata->response = format_text($answer->response, $answer->responseformat, $formattextdefoptions);
- }
- }
- if (!isset($answerdata->score)) {
- if ($this->lesson->custom) {
- $answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
- } elseif ($useranswer->correct) {
- $answerdata->score = get_string("receivedcredit", "lesson");
- } else {
- $answerdata->score = get_string("didnotreceivecredit", "lesson");
- }
- }
- } else {
- // unchecked
- $data = "<input type=\"checkbox\" readonly=\"readonly\" name=\"answer[$i]\" value=\"0\" disabled=\"disabled\" />";
- }
- if (($answer->score > 0 && $this->lesson->custom) || ($this->lesson->jumpto_is_correct($this->properties->id, $answer->jumpto) && !$this->lesson->custom)) {
- $data .= "<div class=highlight>".format_text($answer->answer, $answer->answerformat, $formattextdefoptions)."</div>";
- } else {
- $data .= format_text($answer->answer, $answer->answerformat, $formattextdefoptions);
- }
- } else {
- if ($useranswer != null and $answer->id == $useranswer->answerid) {
- // make checked
- $data = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";
- if ($answer->response == null) {
- if ($useranswer->correct) {
- $answerdata->response = get_string("thatsthecorrectanswer", "lesson");
- } else {
- $answerdata->response = get_string("thatsthewronganswer", "lesson");
- }
- } else {
- $answerdata->response = format_text($answer->response, $answer->responseformat, $formattextdefoptions);
- }
- if ($this->lesson->custom) {
- $answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
- } elseif ($useranswer->correct) {
- $answerdata->score = get_string("receivedcredit", "lesson");
- } else {
- $answerdata->score = get_string("didnotreceivecredit", "lesson");
- }
- } else {
- // unchecked
- $data = "<input type=\"checkbox\" readonly=\"readonly\" name=\"answer[$i]\" value=\"0\" disabled=\"disabled\" />";
- }
- if (($answer->score > 0 && $this->lesson->custom) || ($this->lesson->jumpto_is_correct($this->properties->id, $answer->jumpto) && !$this->lesson->custom)) {
- $data .= "<div class=\"highlight\">".format_text($answer->answer, $answer->answerformat, $formattextdefoptions)."</div>";
- } else {
- $data .= format_text($answer->answer, $answer->answerformat, $formattextdefoptions);
- }
- }
- if (isset($pagestats[$this->properties->id][$answer->id])) {
- $percent = $pagestats[$this->properties->id][$answer->id] / $pagestats[$this->properties->id]["total"] * 100;
- $percent = round($percent, 2);
- $percent .= "% ".get_string("checkedthisone", "lesson");
- } else {
- $percent = get_string("noonecheckedthis", "lesson");
- }
- $answerdata->answers[] = array($data, $percent);
- $answerpage->answerdata = $answerdata;
- }
- return $answerpage;
- }
- }
- class lesson_add_page_form_truefalse extends lesson_add_page_form_base {
- public $qtype = 'truefalse';
- public $qtypestring = 'truefalse';
- public function custom_definition() {
- $this->_form->addElement('header', 'answertitle0', get_string('correctresponse', 'lesson'));
- $this->add_answer(0, null, true);
- $this->add_response(0);
- $this->add_jumpto(0, get_string('correctanswerjump', 'lesson'), LESSON_NEXTPAGE);
- $this->add_score(0, get_string('correctanswerscore', 'lesson'), 1);
- $this->_form->addElement('header', 'answertitle1', get_string('wrongresponse', 'lesson'));
- $this->add_answer(1, null, true);
- $this->add_response(1);
- $this->add_jumpto(1, get_string('wronganswerjump', 'lesson'), LESSON_THISPAGE);
- $this->add_score(1, get_string('wronganswerscore', 'lesson'), 0);
- }
- }
- class lesson_display_answer_form_truefalse extends moodleform {
- public function definition() {
- global $USER, $OUTPUT;
- $mform = $this->_form;
- $answers = $this->_customdata['answers'];
- $lessonid = $this->_customdata['lessonid'];
- $contents = $this->_customdata['contents'];
- if (array_key_exists('attempt', $this->_customdata)) {
- $attempt = $this->_customdata['attempt'];
- } else {
- $attempt = new stdClass();
- $attempt->answerid = null;
- }
- $mform->addElement('header', 'pageheader');
- $mform->addElement('html', $OUTPUT->container($contents, 'contents'));
- $hasattempt = false;
- $disabled = '';
- if (isset($USER->modattempts[$lessonid]) && !empty($USER->modattempts[$lessonid])) {
- $hasattempt = true;
- $disabled = array('disabled' => 'disabled');
- }
- $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);
- $i = 0;
- foreach ($answers as $answer) {
- $mform->addElement('html', '<div class="answeroption">');
- $ansid = 'answerid';
- if ($hasattempt) {
- $ansid = 'answer_id';
- }
- $mform->addElement('radio', $ansid, null, format_text($answer->answer, $answer->answerformat, $options), $answer->id, $disabled);
- $mform->setType($ansid, PARAM_INT);
- if ($hasattempt && $answer->id == $USER->modattempts[$lessonid]->answerid) {
- $mform->setDefault($ansid, $attempt->answerid);
- $mform->addElement('hidden', 'answerid', $answer->id);
- $mform->setType('answerid', PARAM_INT);
- }
- $mform->addElement('html', '</div>');
- $i++;
- }
- if ($hasattempt) {
- $this->add_action_buttons(null, get_string("nextpage", "lesson"));
- } else {
- $this->add_action_buttons(null, get_string("submit", "lesson"));
- }
- }
- }