mod/lesson/pagetypes/matching.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Matching
  20  *
  21  * @package mod_lesson
  22  * @copyright  2009 Sam Hemelryk
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  **/
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 /** Matching question type */
  29 define("LESSON_PAGE_MATCHING",      "5");
  30
  31 class lesson_page_type_matching extends lesson_page {
  32
  33     protected $type = lesson_page::TYPE_QUESTION;
  34     protected $typeid = LESSON_PAGE_MATCHING;
  35     protected $typeidstring = 'matching';
  36     protected $string = null;
  37
  38     public function get_typeid() {
  39         return $this->typeid;
  40     }
  41     public function get_typestring() {
  42         if ($this->string===null) {
  43             $this->string = get_string($this->typeidstring, 'lesson');
  44         }
  45         return $this->string;
  46     }
  47     public function get_idstring() {
  48         return $this->typeidstring;
  49     }
  50     public function display($renderer, $attempt) {
  51         global $USER, $CFG, $PAGE;
  52         $mform = $this->make_answer_form($attempt);
  53         $data = new stdClass;
  54         $data->id = $PAGE->cm->id;
  55         $data->pageid = $this->properties->id;
  56         $mform->set_data($data);
  57
  58         // Trigger an event question viewed.
  59         $eventparams = array(
  60             'context' => context_module::instance($PAGE->cm->id),
  61             'objectid' => $this->properties->id,
  62             'other' => array(
  63                     'pagetype' => $this->get_typestring()
  64                 )
  65             );
  66
  67         $event = \mod_lesson\event\question_viewed::create($eventparams);
  68         $event->trigger();
  69         return $mform->display();
  70     }
  71
  72     protected function make_answer_form($attempt=null) {
  73         global $USER, $CFG;
  74         // don't shuffle answers (could be an option??)
  75         $getanswers = array_slice($this->get_answers(), 2);
  76
  77         $answers = array();
  78         foreach ($getanswers as $getanswer) {
  79             $answers[$getanswer->id] = $getanswer;
  80         }
  81
  82         $responses = array();
  83         foreach ($answers as $answer) {
  84             // get all the response
  85             if ($answer->response != null) {
  86                 $responses[] = trim($answer->response);
  87             }
  88         }
  89
  90         $responseoptions = array(''=>get_string('choosedots'));
  91         if (!empty($responses)) {
  92             shuffle($responses);
  93             foreach ($responses as  $response) {
  94                 $responseoptions[htmlspecialchars($response)] = $response;
  95             }
  96         }
  97         if (isset($USER->modattempts[$this->lesson->id]) && !empty($attempt->useranswer)) {
  98             $useranswers = explode(',', $attempt->useranswer);
  99             $t = 0;
 100         } else {
 101             $useranswers = array();
 102         }
 103
 104         $action = $CFG->wwwroot.'/mod/lesson/continue.php';
 105         $params = array('answers'=>$answers, 'useranswers'=>$useranswers, 'responseoptions'=>$responseoptions, 'lessonid'=>$this->lesson->id, 'contents'=>$this->get_contents());
 106         $mform = new lesson_display_answer_form_matching($action, $params);
 107         return $mform;
 108     }
 109
 110     public function create_answers($properties) {
 111         global $DB, $PAGE;
 112         // now add the answers
 113         $newanswer = new stdClass;
 114         $newanswer->lessonid = $this->lesson->id;
 115         $newanswer->pageid = $this->properties->id;
 116         $newanswer->timecreated = $this->properties->timecreated;
 117
 118         $cm = get_coursemodule_from_instance('lesson', $this->lesson->id, $this->lesson->course);
 119         $context = context_module::instance($cm->id);
 120
 121         // Check for duplicate response format.
 122         $duplicateresponse = array();
 123         if (is_array($properties->response_editor[0])) {
 124             foreach ($properties->response_editor as $response) {
 125                 $duplicateresponse[] = $response['text'];
 126             }
 127             $properties->response_editor = $duplicateresponse;
 128         }
 129
 130         $answers = array();
 131
 132         // need to add two to offset correct response and wrong response
 133         $this->lesson->maxanswers = $this->lesson->maxanswers + 2;
 134         for ($i = 0; $i < $this->lesson->maxanswers; $i++) {
 135             $answer = clone($newanswer);
 136             if (!empty($properties->answer_editor[$i]) && is_array($properties->answer_editor[$i])) {
 137                 $answer->answer = $properties->answer_editor[$i]['text'];
 138                 $answer->answerformat = $properties->answer_editor[$i]['format'];
 139             }
 140             if (!empty($properties->response_editor[$i])) {
 141                 $answer->response = $properties->response_editor[$i];
 142                 $answer->responseformat = 0;
 143             }
 144
 145             if (isset($properties->jumpto[$i])) {
 146                 $answer->jumpto = $properties->jumpto[$i];
 147             }
 148             if ($this->lesson->custom && isset($properties->score[$i])) {
 149                 $answer->score = $properties->score[$i];
 150             }
 151
 152             if (isset($answer->answer) && $answer->answer != '') {
 153                 $answer->id = $DB->insert_record("lesson_answers", $answer);
 154                 $this->save_answers_files($context, $PAGE->course->maxbytes,
 155                         $answer, $properties->answer_editor[$i]);
 156                 $answers[$answer->id] = new lesson_page_answer($answer);
 157             } else if ($i < 2) {
 158                 $answer->id = $DB->insert_record("lesson_answers", $answer);
 159                 $answers[$answer->id] = new lesson_page_answer($answer);
 160             } else {
 161                 break;
 162             }
 163         }
 164         $this->answers = $answers;
 165         return $answers;
 166     }
 167
 168     public function check_answer() {
 169         global $CFG, $PAGE;
 170
 171         $formattextdefoptions = new stdClass();
 172         $formattextdefoptions->noclean = true;
 173         $formattextdefoptions->para = false;
 174
 175         $result = parent::check_answer();
 176
 177         $mform = $this->make_answer_form();
 178
 179         $data = $mform->get_data();
 180         require_sesskey();
 181
 182         if (!$data) {
 183             redirect(new moodle_url('/mod/lesson/view.php', array('id'=>$PAGE->cm->id, 'pageid'=>$this->properties->id)));
 184         }
 185
 186         $response = $data->response;
 187         $getanswers = $this->get_answers();
 188         foreach ($getanswers as $key => $answer) {
 189             $getanswers[$key] = parent::rewrite_answers_urls($answer);
 190         }
 191
 192         $correct = array_shift($getanswers);
 193         $wrong   = array_shift($getanswers);
 194
 195         $answers = array();
 196         foreach ($getanswers as $key => $answer) {
 197             if ($answer->answer !== '' or $answer->response !== '') {
 198                 $answers[$answer->id] = $answer;
 199             }
 200         }
 201
 202         // get the user's exact responses for record keeping
 203         $hits = 0;
 204         $userresponse = array();
 205         $result->studentanswerformat = FORMAT_HTML;
 206         foreach ($response as $id => $value) {
 207             if ($value == '') {
 208                 $result->noanswer = true;
 209                 return $result;
 210             }
 211             $value = htmlspecialchars_decode($value);
 212             $userresponse[] = $value;
 213             // Make sure the user's answer exists in question's answer
 214             if (array_key_exists($id, $answers)) {
 215                 $answer = $answers[$id];
 216                 $result->studentanswer .= '<br />'.format_text($answer->answer, $answer->answerformat, $formattextdefoptions).' = '.$value;
 217                 if (trim($answer->response) == trim($value)) {
 218                     $hits++;
 219                 }
 220             }
 221         }
 222
 223         $result->userresponse = implode(",", $userresponse);
 224
 225         if ($hits == count($answers)) {
 226             $result->correctanswer = true;
 227             $result->response      = format_text($correct->answer, $correct->answerformat, $formattextdefoptions);
 228             $result->answerid      = $correct->id;
 229             $result->newpageid     = $correct->jumpto;
 230         } else {
 231             $result->correctanswer = false;
 232             $result->response      = format_text($wrong->answer, $wrong->answerformat, $formattextdefoptions);
 233             $result->answerid      = $wrong->id;
 234             $result->newpageid     = $wrong->jumpto;
 235         }
 236
 237         return $result;
 238     }
 239
 240     public function option_description_string() {
 241         return get_string("firstanswershould", "lesson");
 242     }
 243
 244     public function display_answers(html_table $table) {
 245         $answers = $this->get_answers();
 246         $options = new stdClass;
 247         $options->noclean = true;
 248         $options->para = false;
 249         $i = 1;
 250         $n = 0;
 251
 252         foreach ($answers as $answer) {
 253             $answer = parent::rewrite_answers_urls($answer);
 254             if ($n < 2) {
 255                 if ($answer->answer != null) {
 256                     $cells = array();
 257                     if ($n == 0) {
 258                         $cells[] = "<span class=\"label\">".get_string("correctresponse", "lesson").'</span>';
 259                     } else {
 260                         $cells[] = "<span class=\"label\">".get_string("wrongresponse", "lesson").'</span>';
 261                     }
 262                     $cells[] = format_text($answer->answer, $answer->answerformat, $options);
 263                     $table->data[] = new html_table_row($cells);
 264                 }
 265
 266                 if ($n == 0) {
 267                     $cells = array();
 268                     $cells[] = '<span class="label">'.get_string("correctanswerscore", "lesson")."</span>: ";
 269                     $cells[] = $answer->score;
 270                     $table->data[] = new html_table_row($cells);
 271
 272                     $cells = array();
 273                     $cells[] = '<span class="label">'.get_string("correctanswerjump", "lesson")."</span>: ";
 274                     $cells[] = $this->get_jump_name($answer->jumpto);
 275                     $table->data[] = new html_table_row($cells);
 276                 } elseif ($n == 1) {
 277                     $cells = array();
 278                     $cells[] = '<span class="label">'.get_string("wronganswerscore", "lesson")."</span>: ";
 279                     $cells[] = $answer->score;
 280                     $table->data[] = new html_table_row($cells);
 281
 282                     $cells = array();
 283                     $cells[] = '<span class="label">'.get_string("wronganswerjump", "lesson")."</span>: ";
 284                     $cells[] = $this->get_jump_name($answer->jumpto);
 285                     $table->data[] = new html_table_row($cells);
 286                 }
 287
 288                 if ($n === 0){
 289                     $table->data[count($table->data)-1]->cells[0]->style = 'width:20%;';
 290                 }
 291                 $n++;
 292                 $i--;
 293             } else {
 294                 $cells = array();
 295                 if ($this->lesson->custom && $answer->score > 0) {
 296                     // if the score is > 0, then it is correct
 297                     $cells[] = '<span class="labelcorrect">'.get_string("answer", "lesson")." $i</span>: \n";
 298                 } else if ($this->lesson->custom) {
 299                     $cells[] = '<span class="label">'.get_string("answer", "lesson")." $i</span>: \n";
 300                 } else if ($this->lesson->jumpto_is_correct($this->properties->id, $answer->jumpto)) {
 301                     $cells[] = '<span class="labelcorrect">'.get_string("answer", "lesson")." $i</span>: \n";
 302                 } else {
 303                     $cells[] = '<span class="label">'.get_string("answer", "lesson")." $i</span>: \n";
 304                 }
 305                 $cells[] = format_text($answer->answer, $answer->answerformat, $options);
 306                 $table->data[] = new html_table_row($cells);
 307
 308                 $cells = array();
 309                 $cells[] = '<span class="label">'.get_string("matchesanswer", "lesson")." $i</span>: ";
 310                 $cells[] = format_text($answer->response, $answer->responseformat, $options);
 311                 $table->data[] = new html_table_row($cells);
 312             }
 313             $i++;
 314         }
 315         return $table;
 316     }
 317     /**
 318      * Updates the page and its answers
 319      *
 320      * @global moodle_database $DB
 321      * @global moodle_page $PAGE
 322      * @param stdClass $properties
 323      * @return bool
 324      */
 325     public function update($properties, $context = null, $maxbytes = null) {
 326         global $DB, $PAGE;
 327         $answers  = $this->get_answers();
 328         $properties->id = $this->properties->id;
 329         $properties->lessonid = $this->lesson->id;
 330         $properties->timemodified = time();
 331         $properties = file_postupdate_standard_editor($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);
 332         $DB->update_record("lesson_pages", $properties);
 333
 334         // Trigger an event: page updated.
 335         \mod_lesson\event\page_updated::create_from_lesson_page($this, $context)->trigger();
 336
 337         // need to add two to offset correct response and wrong response
 338         $this->lesson->maxanswers += 2;
 339         for ($i = 0; $i < $this->lesson->maxanswers; $i++) {
 340             if (!array_key_exists($i, $this->answers)) {
 341                 $this->answers[$i] = new stdClass;
 342                 $this->answers[$i]->lessonid = $this->lesson->id;
 343                 $this->answers[$i]->pageid = $this->id;
 344                 $this->answers[$i]->timecreated = $this->timecreated;
 345             }
 346
 347             if (!empty($properties->answer_editor[$i]) && is_array($properties->answer_editor[$i])) {
 348                 $this->answers[$i]->answer = $properties->answer_editor[$i]['text'];
 349                 $this->answers[$i]->answerformat = $properties->answer_editor[$i]['format'];
 350             }
 351             if (!empty($properties->response_editor[$i])) {
 352                 $this->answers[$i]->response = $properties->response_editor[$i];
 353                 $this->answers[$i]->responseformat = 0;
 354             }
 355
 356             if (isset($properties->jumpto[$i])) {
 357                 $this->answers[$i]->jumpto = $properties->jumpto[$i];
 358             }
 359             if ($this->lesson->custom && isset($properties->score[$i])) {
 360                 $this->answers[$i]->score = $properties->score[$i];
 361             }
 362
 363             // we don't need to check for isset here because properties called it's own isset method.
 364             if ($this->answers[$i]->answer != '') {
 365                 if (!isset($this->answers[$i]->id)) {
 366                     $this->answers[$i]->id =  $DB->insert_record("lesson_answers", $this->answers[$i]);
 367                 } else {
 368                     $DB->update_record("lesson_answers", $this->answers[$i]->properties());
 369                 }
 370                 // Save files in answers (no response_editor for matching questions).
 371                 $this->save_answers_files($context, $maxbytes, $this->answers[$i], $properties->answer_editor[$i]);
 372             } else if ($i < 2) {
 373                 if (!isset($this->answers[$i]->id)) {
 374                     $this->answers[$i]->id =  $DB->insert_record("lesson_answers", $this->answers[$i]);
 375                 } else {
 376                     $DB->update_record("lesson_answers", $this->answers[$i]->properties());
 377                 }
 378
 379                 // Save files in answers (no response_editor for matching questions).
 380                 $this->save_answers_files($context, $maxbytes, $this->answers[$i], $properties->answer_editor[$i]);
 381             } else if (isset($this->answers[$i]->id)) {
 382                 $DB->delete_records('lesson_answers', array('id'=>$this->answers[$i]->id));
 383                 unset($this->answers[$i]);
 384             }
 385         }
 386         return true;
 387     }
 388     public function stats(array &$pagestats, $tries) {
 389         if(count($tries) > $this->lesson->maxattempts) { // if there are more tries than the max that is allowed, grab the last "legal" attempt
 390             $temp = $tries[$this->lesson->maxattempts - 1];
 391         } else {
 392             // else, user attempted the question less than the max, so grab the last one
 393             $temp = end($tries);
 394         }
 395         if ($temp->correct) {
 396             if (isset($pagestats[$temp->pageid]["correct"])) {
 397                 $pagestats[$temp->pageid]["correct"]++;
 398             } else {
 399                 $pagestats[$temp->pageid]["correct"] = 1;
 400             }
 401         }
 402         if (isset($pagestats[$temp->pageid]["total"])) {
 403             $pagestats[$temp->pageid]["total"]++;
 404         } else {
 405             $pagestats[$temp->pageid]["total"] = 1;
 406         }
 407         return true;
 408     }
 409     public function report_answers($answerpage, $answerdata, $useranswer, $pagestats, &$i, &$n) {
 410         $answers = array();
 411         foreach ($this->get_answers() as $answer) {
 412             $answers[$answer->id] = $answer;
 413         }
 414         $formattextdefoptions = new stdClass;
 415         $formattextdefoptions->para = false;  //I'll use it widely in this page
 416         foreach ($answers as $answer) {
 417             if ($n == 0 && $useranswer != null && $useranswer->correct) {
 418                 if ($answer->response == null && $useranswer != null) {
 419                     $answerdata->response = get_string("thatsthecorrectanswer", "lesson");
 420                 } else {
 421                     $answerdata->response = $answer->response;
 422                 }
 423                 if ($this->lesson->custom) {
 424                     $answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
 425                 } else {
 426                     $answerdata->score = get_string("receivedcredit", "lesson");
 427                 }
 428             } elseif ($n == 1 && $useranswer != null && !$useranswer->correct) {
 429                 if ($answer->response == null && $useranswer != null) {
 430                     $answerdata->response = get_string("thatsthewronganswer", "lesson");
 431                 } else {
 432                     $answerdata->response = $answer->response;
 433                 }
 434                 if ($this->lesson->custom) {
 435                     $answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
 436                 } else {
 437                     $answerdata->score = get_string("didnotreceivecredit", "lesson");
 438                 }
 439             } elseif ($n > 1) {
 440                 $data = '<label class="accesshide" for="answer_' . $n . '">' . get_string('answer', 'lesson') . '</label>';
 441                 $data .= strip_tags(format_string($answer->answer)) . ' ';
 442                 if ($useranswer != null) {
 443                     $userresponse = explode(",", $useranswer->useranswer);
 444                     $data .= '<label class="accesshide" for="stu_answer_response_' . $n . '">' . get_string('matchesanswer', 'lesson') . '</label>';
 445                     $data .= "<select id=\"stu_answer_response_" . $n . "\" disabled=\"disabled\"><option selected=\"selected\">";
 446                     if (array_key_exists($i, $userresponse)) {
 447                         $data .= $userresponse[$i];
 448                     }
 449                     $data .= "</option></select>";
 450                 } else {
 451                     $data .= '<label class="accesshide" for="answer_response_' . $n . '">' . get_string('matchesanswer', 'lesson') . '</label>';
 452                     $data .= "<select id=\"answer_response_" . $n . "\" disabled=\"disabled\"><option selected=\"selected\">".strip_tags(format_string($answer->response))."</option></select>";
 453                 }
 454
 455                 if ($n == 2) {
 456                     if (isset($pagestats[$this->properties->id])) {
 457                         if (!array_key_exists('correct', $pagestats[$this->properties->id])) {
 458                             $pagestats[$this->properties->id]["correct"] = 0;
 459                         }
 460                         $percent = $pagestats[$this->properties->id]["correct"] / $pagestats[$this->properties->id]["total"] * 100;
 461                         $percent = round($percent, 2);
 462                         $percent .= "% ".get_string("answeredcorrectly", "lesson");
 463                     } else {
 464                         $percent = get_string("nooneansweredthisquestion", "lesson");
 465                     }
 466                 } else {
 467                     $percent = '';
 468                 }
 469
 470                 $answerdata->answers[] = array($data, $percent);
 471                 $i++;
 472             }
 473             $n++;
 474             $answerpage->answerdata = $answerdata;
 475         }
 476         return $answerpage;
 477     }
 478     public function get_jumps() {
 479         global $DB;
 480         // The jumps for matching question type are stored in the 1st and 2nd answer record.
 481         $jumps = array();
 482         if ($answers = $DB->get_records("lesson_answers", array("lessonid" => $this->lesson->id, "pageid" => $this->properties->id), 'id', '*', 0, 2)) {
 483             foreach ($answers as $answer) {
 484                 $jumps[] = $this->get_jump_name($answer->jumpto);
 485             }
 486         } else {
 487             $jumps[] = $this->get_jump_name($this->properties->nextpageid);
 488         }
 489         return $jumps;
 490     }
 491 }
 492
 493 class lesson_add_page_form_matching extends lesson_add_page_form_base {
 494
 495     public $qtype = 'matching';
 496     public $qtypestring = 'matching';
 497     protected $answerformat = LESSON_ANSWER_HTML;
 498     protected $responseformat = '';
 499
 500     public function custom_definition() {
 501
 502         $this->_form->addElement('header', 'correctresponse', get_string('correctresponse', 'lesson'));
 503         $this->_form->addElement('editor', 'answer_editor[0]', get_string('correctresponse', 'lesson'),
 504                 array('rows' => '4', 'columns' => '80'),
 505                 array('noclean' => true, 'maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes' => $this->_customdata['maxbytes']));
 506         $this->_form->setType('answer_editor[0]', PARAM_RAW);
 507         $this->_form->setDefault('answer_editor[0]', array('text' => '', 'format' => FORMAT_HTML));
 508         $this->add_jumpto(0, get_string('correctanswerjump','lesson'), LESSON_NEXTPAGE);
 509         $this->add_score(0, get_string("correctanswerscore", "lesson"), 1);
 510
 511         $this->_form->addElement('header', 'wrongresponse', get_string('wrongresponse', 'lesson'));
 512         $this->_form->addElement('editor', 'answer_editor[1]', get_string('wrongresponse', 'lesson'),
 513                 array('rows' => '4', 'columns' => '80'),
 514                 array('noclean' => true, 'maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes' => $this->_customdata['maxbytes']));
 515         $this->_form->setType('answer_editor[1]', PARAM_RAW);
 516         $this->_form->setDefault('answer_editor[1]', array('text' => '', 'format' => FORMAT_HTML));
 517
 518         $this->add_jumpto(1, get_string('wronganswerjump','lesson'), LESSON_THISPAGE);
 519         $this->add_score(1, get_string("wronganswerscore", "lesson"), 0);
 520
 521         for ($i = 2; $i < $this->_customdata['lesson']->maxanswers+2; $i++) {
 522             $this->_form->addElement('header', 'matchingpair'.($i-1), get_string('matchingpair', 'lesson', $i-1));
 523             $this->add_answer($i, null, ($i < 4), LESSON_ANSWER_HTML);
 524             $required = ($i < 4);
 525             $label = get_string('matchesanswer','lesson');
 526             $count = $i;
 527             $this->_form->addElement('text', 'response_editor['.$count.']', $label, array('size'=>'50'));
 528             $this->_form->setType('response_editor['.$count.']', PARAM_NOTAGS);
 529             $this->_form->setDefault('response_editor['.$count.']', '');
 530             if ($required) {
 531                 $this->_form->addRule('response_editor['.$count.']', get_string('required'), 'required', null, 'client');
 532             }
 533         }
 534     }
 535 }
 536
 537 class lesson_display_answer_form_matching extends moodleform {
 538
 539     public function definition() {
 540         global $USER, $OUTPUT, $PAGE;
 541         $mform = $this->_form;
 542         $answers = $this->_customdata['answers'];
 543         $useranswers = $this->_customdata['useranswers'];
 544         $responseoptions = $this->_customdata['responseoptions'];
 545         $lessonid = $this->_customdata['lessonid'];
 546         $contents = $this->_customdata['contents'];
 547
 548         // Disable shortforms.
 549         $mform->setDisableShortforms();
 550
 551         $mform->addElement('header', 'pageheader');
 552
 553         $mform->addElement('html', $OUTPUT->container($contents, 'contents'));
 554
 555         $hasattempt = false;
 556         $disabled = '';
 557         if (isset($useranswers) && !empty($useranswers)) {
 558             $hasattempt = true;
 559             $disabled = array('disabled' => 'disabled');
 560         }
 561
 562         $options = new stdClass;
 563         $options->para = false;
 564         $options->noclean = true;
 565
 566         $mform->addElement('hidden', 'id');
 567         $mform->setType('id', PARAM_INT);
 568
 569         $mform->addElement('hidden', 'pageid');
 570         $mform->setType('pageid', PARAM_INT);
 571
 572         $i = 0;
 573
 574         foreach ($answers as $answer) {
 575             $mform->addElement('html', '<div class="answeroption">');
 576             if ($answer->response != null) {
 577                 $responseid = 'response['.$answer->id.']';
 578                 if ($hasattempt) {
 579                     $responseid = 'response_'.$answer->id;
 580                     $mform->addElement('hidden', 'response['.$answer->id.']', htmlspecialchars($useranswers[$i]));
 581                     // Temporary fixed until MDL-38885 gets integrated
 582                     $mform->setType('response', PARAM_TEXT);
 583                 }
 584                 $answer = lesson_page_type_matching::rewrite_answers_urls($answer);
 585                 $mform->addElement('select', $responseid, format_text($answer->answer,$answer->answerformat,$options), $responseoptions, $disabled);
 586                 $mform->setType($responseid, PARAM_TEXT);
 587                 if ($hasattempt) {
 588                     $mform->setDefault($responseid, htmlspecialchars(trim($useranswers[$i])));
 589                 } else {
 590                     $mform->setDefault($responseid, 'answeroption');
 591                 }
 592             }
 593             $mform->addElement('html', '</div>');
 594             $i++;
 595         }
 596         if ($hasattempt) {
 597             $this->add_action_buttons(null, get_string("nextpage", "lesson"));
 598         } else {
 599             $this->add_action_buttons(null, get_string("submit", "lesson"));
 600         }
 601     }
 602
 603 }