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Long Term Support Release
<?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_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 = $this->get_answers(); foreach ($answers as $key => $answer) { $answers[$key] = parent::rewrite_answers_urls($answer); } shuffle($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); // Trigger an event question viewed. $eventparams = array( 'context' => context_module::instance($PAGE->cm->id), 'objectid' => $this->properties->id, 'other' => array( 'pagetype' => $this->get_typestring() ) ); $event = \mod_lesson\event\question_viewed::create($eventparams); $event->trigger(); 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); $answer = parent::rewrite_answers_urls($answer); 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) { $answer = parent::rewrite_answers_urls($answer); $cells = array(); if ($this->lesson->custom && $answer->score > 0) { // if the score is > 0, then it is correct $cells[] = '<label class="correct">' . get_string('answer', 'lesson') . " {$i}</label>: \n"; } else if ($this->lesson->custom) { $cells[] = '<label>' . get_string('answer', 'lesson') . " {$i}</label>: \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 { $cells[] = '<label class="correct">' . get_string('answer', 'lesson') . " {$i}</label>: \n"; } $cells[] = format_text($answer->answer, $answer->answerformat, $options); $table->data[] = new html_table_row($cells); $cells = array(); $cells[] = '<label>' . get_string('response', 'lesson') . ' ' . $i . '</label>:'; $cells[] = format_text($answer->response, $answer->responseformat, $options); $table->data[] = new html_table_row($cells); $cells = array(); $cells[] = '<label>' . get_string('score', 'lesson') . '</label>:'; $cells[] = $answer->score; $table->data[] = new html_table_row($cells); $cells = array(); $cells[] = '<label>' . get_string('jump', 'lesson') . '</label>:'; $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", $properties); // Trigger an event: page updated. \mod_lesson\event\page_updated::create_from_lesson_page($this, $context)->trigger(); // 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()); } // Save files in answers and responses. $this->save_answers_files($context, $maxbytes, $this->answers[$i], $properties->answer_editor[$i], $properties->response_editor[$i]); } 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); < }> $temp = $this->lesson->get_last_attempt($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; $formattextdefoptions->context = $answerpage->context; foreach ($answers as $answer) { $answer = parent::rewrite_answers_urls($answer);> $answertext = format_text($answer->answer, $answer->answerformat, $formattextdefoptions); if ($this->properties->qoption) { > $correctresponsetext = html_writer::div(get_string('correctresponse', 'lesson'), 'badge badge-success');if ($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\" />";> $checkboxelement = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$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\" />";> $checkboxelement = "<input type=\"checkbox\" readonly=\"readonly\" name=\"answer[$i]\" value=\"0\" disabled=\"disabled\" />";}> $answercontent = html_writer::label($checkboxelement . ' ' . $answertext, null);if (($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>";> $data = html_writer::div($answercontent, 'text-success') . $correctresponsetext;} else {< $data .= format_text($answer->answer, $answer->answerformat, $formattextdefoptions);> $data = $answercontent;} } else { if ($useranswer != null and $answer->id == $useranswer->answerid) { // make checked< $data = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";> $checkboxelement = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$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\" />";> $checkboxelement = "<input type=\"checkbox\" readonly=\"readonly\" name=\"answer[$i]\" value=\"0\" disabled=\"disabled\" />";}> $answercontent = html_writer::label($checkboxelement . ' ' . $answertext, null);if (($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>";> $data = html_writer::div($answercontent, 'text-success') . $correctresponsetext;} else {< $data .= format_text($answer->answer, $answer->answerformat, $formattextdefoptions);> $data = $answercontent;} } if (isset($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'; protected $answerformat = LESSON_ANSWER_HTML; protected $responseformat = LESSON_ANSWER_HTML; public function custom_definition() { $this->_form->addElement('header', 'answertitle0', get_string('correctresponse', 'lesson')); $this->add_answer(0, null, true, $this->get_answer_format()); $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->get_answer_format()); $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; } // Disable shortforms. $mform->setDisableShortforms(); $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; $radiobuttons = array(); foreach ($answers as $answer) { $ansid = 'answerid'; if ($hasattempt) { $ansid = 'answer_id'; } $answer = lesson_page_type_truefalse::rewrite_answers_urls($answer); $radiobuttons[] = $mform->createElement('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); } $i++; } $radiogroup = $mform->addGroup($radiobuttons, $ansid, '', array(''), false); $radiogroup->setAttributes(array('class' => 'answeroptiongroup')); if ($hasattempt) { $this->add_action_buttons(null, get_string("nextpage", "lesson")); } else { $this->add_action_buttons(null, get_string("submit", "lesson")); } } }