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Differences Between: [Versions 310 and 311] [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  /**
  17   * Core Report class of basic reporting plugin
  18   * @package   scormreport
  19   * @subpackage interactions
  20   * @author    Dan Marsden and Ankit Kumar Agarwal
  21   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  
  24  namespace scormreport_interactions;
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  require_once($CFG->dirroot.'/mod/scorm/report/interactions/responsessettings_form.php');
  29  
  30  class report extends \mod_scorm\report {
  31      /**
  32       * displays the full report
  33       * @param \stdClass $scorm full SCORM object
  34       * @param \stdClass $cm - full course_module object
  35       * @param \stdClass $course - full course object
  36       * @param string $download - type of download being requested
  37       */
  38      public function display($scorm, $cm, $course, $download) {
  39          global $CFG, $DB, $OUTPUT, $PAGE;
  40  
  41          $contextmodule = \context_module::instance($cm->id);
  42          $action = optional_param('action', '', PARAM_ALPHA);
  43          $attemptids = optional_param_array('attemptid', array(), PARAM_RAW);
  44          $attemptsmode = optional_param('attemptsmode', SCORM_REPORT_ATTEMPTS_ALL_STUDENTS, PARAM_INT);
  45          $PAGE->set_url(new \moodle_url($PAGE->url, array('attemptsmode' => $attemptsmode)));
  46  
  47          if ($action == 'delete' && has_capability('mod/scorm:deleteresponses', $contextmodule) && confirm_sesskey()) {
  48              if (scorm_delete_responses($attemptids, $scorm)) { // Delete responses.
  49                  echo $OUTPUT->notification(get_string('scormresponsedeleted', 'scorm'), 'notifysuccess');
  50              }
  51          }
  52          // Find out current groups mode.
  53          $currentgroup = groups_get_activity_group($cm, true);
  54  
  55          // Detailed report.
  56          $mform = new \mod_scorm_report_interactions_settings($PAGE->url, compact('currentgroup'));
  57          if ($fromform = $mform->get_data()) {
  58              $pagesize = $fromform->pagesize;
  59              $includeqtext = $fromform->qtext;
  60              $includeresp = $fromform->resp;
  61              $includeright = $fromform->right;
  62              $includeresult = $fromform->result;
  63              set_user_preference('scorm_report_pagesize', $pagesize);
  64              set_user_preference('scorm_report_interactions_qtext', $includeqtext);
  65              set_user_preference('scorm_report_interactions_resp', $includeresp);
  66              set_user_preference('scorm_report_interactions_right', $includeright);
  67              set_user_preference('scorm_report_interactions_result', $includeresult);
  68          } else {
  69              $pagesize = get_user_preferences('scorm_report_pagesize', 0);
  70              $includeqtext = get_user_preferences('scorm_report_interactions_qtext', 0);
  71              $includeresp = get_user_preferences('scorm_report_interactions_resp', 1);
  72              $includeright = get_user_preferences('scorm_report_interactions_right', 0);
  73              $includeresult = get_user_preferences('scorm_report_interactions_result', 0);
  74          }
  75          if ($pagesize < 1) {
  76              $pagesize = SCORM_REPORT_DEFAULT_PAGE_SIZE;
  77          }
  78  
  79          // Select group menu.
  80          $displayoptions = array();
  81          $displayoptions['attemptsmode'] = $attemptsmode;
  82          $displayoptions['qtext'] = $includeqtext;
  83          $displayoptions['resp'] = $includeresp;
  84          $displayoptions['right'] = $includeright;
  85          $displayoptions['result'] = $includeresult;
  86  
  87          $mform->set_data($displayoptions + array('pagesize' => $pagesize));
  88          if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used.
  89              if (!$download) {
  90                  groups_print_activity_menu($cm, new \moodle_url($PAGE->url, $displayoptions));
  91              }
  92          }
  93          $formattextoptions = array('context' => \context_course::instance($course->id));
  94  
  95          // We only want to show the checkbox to delete attempts
  96          // if the user has permissions and if the report mode is showing attempts.
  97          $candelete = has_capability('mod/scorm:deleteresponses', $contextmodule)
  98                  && ($attemptsmode != SCORM_REPORT_ATTEMPTS_STUDENTS_WITH_NO);
  99          // Select the students.
 100          $nostudents = false;
 101          list($allowedlistsql, $params) = get_enrolled_sql($contextmodule, 'mod/scorm:savetrack', (int) $currentgroup);
 102          if (empty($currentgroup)) {
 103              // All users who can attempt scoes.
 104              if (!$DB->record_exists_sql($allowedlistsql, $params)) {
 105                  echo $OUTPUT->notification(get_string('nostudentsyet'));
 106                  $nostudents = true;
 107              }
 108          } else {
 109              // All users who can attempt scoes and who are in the currently selected group.
 110              if (!$DB->record_exists_sql($allowedlistsql, $params)) {
 111                  echo $OUTPUT->notification(get_string('nostudentsingroup'));
 112                  $nostudents = true;
 113              }
 114          }
 115          if ( !$nostudents ) {
 116              // Now check if asked download of data.
 117              $coursecontext = \context_course::instance($course->id);
 118              if ($download) {
 119                  $filename = clean_filename("$course->shortname ".format_string($scorm->name, true, $formattextoptions));
 120              }
 121  
 122              // Define table columns.
 123              $columns = array();
 124              $headers = array();
 125              if (!$download && $candelete) {
 126                  $columns[] = 'checkbox';
 127                  $headers[] = $this->generate_master_checkbox();
 128              }
 129              if (!$download && $CFG->grade_report_showuserimage) {
 130                  $columns[] = 'picture';
 131                  $headers[] = '';
 132              }
 133              $columns[] = 'fullname';
 134              $headers[] = get_string('name');
 135  
 136              $extrafields = get_extra_user_fields($coursecontext);
 137              foreach ($extrafields as $field) {
 138                  $columns[] = $field;
 139                  $headers[] = get_user_field_name($field);
 140              }
 141              $columns[] = 'attempt';
 142              $headers[] = get_string('attempt', 'scorm');
 143              $columns[] = 'start';
 144              $headers[] = get_string('started', 'scorm');
 145              $columns[] = 'finish';
 146              $headers[] = get_string('last', 'scorm');
 147              $columns[] = 'score';
 148              $headers[] = get_string('score', 'scorm');
 149              $scoes = $DB->get_records('scorm_scoes', array("scorm" => $scorm->id), 'sortorder, id');
 150              foreach ($scoes as $sco) {
 151                  if ($sco->launch != '') {
 152                      $columns[] = 'scograde'.$sco->id;
 153                      $headers[] = format_string($sco->title, '', $formattextoptions);
 154                  }
 155              }
 156  
 157              // Construct the SQL.
 158              $select = 'SELECT DISTINCT '.$DB->sql_concat('u.id', '\'#\'', 'COALESCE(st.attempt, 0)').' AS uniqueid, ';
 159              $select .= 'st.scormid AS scormid, st.attempt AS attempt, ' .
 160                      \user_picture::fields('u', array('idnumber'), 'userid') .
 161                      get_extra_user_fields_sql($coursecontext, 'u', '', array('email', 'idnumber')) . ' ';
 162  
 163              // This part is the same for all cases - join users and scorm_scoes_track tables.
 164              $from = 'FROM {user} u ';
 165              $from .= 'LEFT JOIN {scorm_scoes_track} st ON st.userid = u.id AND st.scormid = '.$scorm->id;
 166              switch ($attemptsmode) {
 167                  case SCORM_REPORT_ATTEMPTS_STUDENTS_WITH:
 168                      // Show only students with attempts.
 169                      $where = " WHERE u.id IN ({$allowedlistsql}) AND st.userid IS NOT NULL";
 170                      break;
 171                  case SCORM_REPORT_ATTEMPTS_STUDENTS_WITH_NO:
 172                      // Show only students without attempts.
 173                      $where = " WHERE u.id IN ({$allowedlistsql}) AND st.userid IS NULL";
 174                      break;
 175                  case SCORM_REPORT_ATTEMPTS_ALL_STUDENTS:
 176                      // Show all students with or without attempts.
 177                      $where = " WHERE u.id IN ({$allowedlistsql}) AND (st.userid IS NOT NULL OR st.userid IS NULL)";
 178                      break;
 179              }
 180  
 181              $countsql = 'SELECT COUNT(DISTINCT('.$DB->sql_concat('u.id', '\'#\'', 'COALESCE(st.attempt, 0)').')) AS nbresults, ';
 182              $countsql .= 'COUNT(DISTINCT('.$DB->sql_concat('u.id', '\'#\'', 'st.attempt').')) AS nbattempts, ';
 183              $countsql .= 'COUNT(DISTINCT(u.id)) AS nbusers ';
 184              $countsql .= $from.$where;
 185              $questioncount = get_scorm_question_count($scorm->id);
 186              $nbmaincolumns = count($columns);
 187              for ($id = 0; $id < $questioncount; $id++) {
 188                  if ($displayoptions['qtext']) {
 189                      $columns[] = 'question' . $id;
 190                      $headers[] = get_string('questionx', 'scormreport_interactions', $id);
 191                  }
 192                  if ($displayoptions['resp']) {
 193                      $columns[] = 'response' . $id;
 194                      $headers[] = get_string('responsex', 'scormreport_interactions', $id);
 195                  }
 196                  if ($displayoptions['right']) {
 197                      $columns[] = 'right' . $id;
 198                      $headers[] = get_string('rightanswerx', 'scormreport_interactions', $id);
 199                  }
 200                  if ($displayoptions['result']) {
 201                      $columns[] = 'result' . $id;
 202                      $headers[] = get_string('resultx', 'scormreport_interactions', $id);
 203                  }
 204              }
 205  
 206              if (!$download) {
 207                  $table = new \flexible_table('mod-scorm-report');
 208  
 209                  $table->define_columns($columns);
 210                  $table->define_headers($headers);
 211                  $table->define_baseurl($PAGE->url);
 212  
 213                  $table->sortable(true);
 214                  $table->collapsible(true);
 215  
 216                  // This is done to prevent redundant data, when a user has multiple attempts.
 217                  $table->column_suppress('picture');
 218                  $table->column_suppress('fullname');
 219                  foreach ($extrafields as $field) {
 220                      $table->column_suppress($field);
 221                  }
 222  
 223                  $table->no_sorting('start');
 224                  $table->no_sorting('finish');
 225                  $table->no_sorting('score');
 226                  $table->no_sorting('checkbox');
 227                  $table->no_sorting('picture');
 228  
 229                  for ($id = 0; $id < $questioncount; $id++) {
 230                      if ($displayoptions['qtext']) {
 231                          $table->no_sorting('question'.$id);
 232                      }
 233                      if ($displayoptions['resp']) {
 234                          $table->no_sorting('response'.$id);
 235                      }
 236                      if ($displayoptions['right']) {
 237                          $table->no_sorting('right'.$id);
 238                      }
 239                      if ($displayoptions['result']) {
 240                          $table->no_sorting('result'.$id);
 241                      }
 242                  }
 243  
 244                  foreach ($scoes as $sco) {
 245                      if ($sco->launch != '') {
 246                          $table->no_sorting('scograde'.$sco->id);
 247                      }
 248                  }
 249  
 250                  $table->column_class('picture', 'picture');
 251                  $table->column_class('fullname', 'bold');
 252                  $table->column_class('score', 'bold');
 253  
 254                  $table->set_attribute('cellspacing', '0');
 255                  $table->set_attribute('id', 'attempts');
 256                  $table->set_attribute('class', 'generaltable generalbox');
 257  
 258                  // Start working -- this is necessary as soon as the niceties are over.
 259                  $table->setup();
 260              } else if ($download == 'ODS') {
 261                  require_once("$CFG->libdir/odslib.class.php");
 262  
 263                  $filename .= ".ods";
 264                  // Creating a workbook.
 265                  $workbook = new \MoodleODSWorkbook("-");
 266                  // Sending HTTP headers.
 267                  $workbook->send($filename);
 268                  // Creating the first worksheet.
 269                  $sheettitle = get_string('report', 'scorm');
 270                  $myxls = $workbook->add_worksheet($sheettitle);
 271                  // Format types.
 272                  $format = $workbook->add_format();
 273                  $format->set_bold(0);
 274                  $formatbc = $workbook->add_format();
 275                  $formatbc->set_bold(1);
 276                  $formatbc->set_align('center');
 277                  $formatb = $workbook->add_format();
 278                  $formatb->set_bold(1);
 279                  $formaty = $workbook->add_format();
 280                  $formaty->set_bg_color('yellow');
 281                  $formatc = $workbook->add_format();
 282                  $formatc->set_align('center');
 283                  $formatr = $workbook->add_format();
 284                  $formatr->set_bold(1);
 285                  $formatr->set_color('red');
 286                  $formatr->set_align('center');
 287                  $formatg = $workbook->add_format();
 288                  $formatg->set_bold(1);
 289                  $formatg->set_color('green');
 290                  $formatg->set_align('center');
 291                  // Here starts workshhet headers.
 292  
 293                  $colnum = 0;
 294                  foreach ($headers as $item) {
 295                      $myxls->write(0, $colnum, $item, $formatbc);
 296                      $colnum++;
 297                  }
 298                  $rownum = 1;
 299              } else if ($download == 'Excel') {
 300                  require_once("$CFG->libdir/excellib.class.php");
 301  
 302                  $filename .= ".xls";
 303                  // Creating a workbook.
 304                  $workbook = new \MoodleExcelWorkbook("-");
 305                  // Sending HTTP headers.
 306                  $workbook->send($filename);
 307                  // Creating the first worksheet.
 308                  $sheettitle = get_string('report', 'scorm');
 309                  $myxls = $workbook->add_worksheet($sheettitle);
 310                  // Format types.
 311                  $format = $workbook->add_format();
 312                  $format->set_bold(0);
 313                  $formatbc = $workbook->add_format();
 314                  $formatbc->set_bold(1);
 315                  $formatbc->set_align('center');
 316                  $formatb = $workbook->add_format();
 317                  $formatb->set_bold(1);
 318                  $formaty = $workbook->add_format();
 319                  $formaty->set_bg_color('yellow');
 320                  $formatc = $workbook->add_format();
 321                  $formatc->set_align('center');
 322                  $formatr = $workbook->add_format();
 323                  $formatr->set_bold(1);
 324                  $formatr->set_color('red');
 325                  $formatr->set_align('center');
 326                  $formatg = $workbook->add_format();
 327                  $formatg->set_bold(1);
 328                  $formatg->set_color('green');
 329                  $formatg->set_align('center');
 330  
 331                  $colnum = 0;
 332                  foreach ($headers as $item) {
 333                      $myxls->write(0, $colnum, $item, $formatbc);
 334                      $colnum++;
 335                  }
 336                  $rownum = 1;
 337              } else if ($download == 'CSV') {
 338                  $csvexport = new \csv_export_writer("tab");
 339                  $csvexport->set_filename($filename, ".txt");
 340                  $csvexport->add_data($headers);
 341              }
 342  
 343              if (!$download) {
 344                  $sort = $table->get_sql_sort();
 345              } else {
 346                  $sort = '';
 347              }
 348              // Fix some wired sorting.
 349              if (empty($sort)) {
 350                  $sort = ' ORDER BY uniqueid';
 351              } else {
 352                  $sort = ' ORDER BY '.$sort;
 353              }
 354  
 355              if (!$download) {
 356                  // Add extra limits due to initials bar.
 357                  list($twhere, $tparams) = $table->get_sql_where();
 358                  if ($twhere) {
 359                      $where .= ' AND '.$twhere; // Initial bar.
 360                      $params = array_merge($params, $tparams);
 361                  }
 362  
 363                  if (!empty($countsql)) {
 364                      $count = $DB->get_record_sql($countsql, $params);
 365                      $totalinitials = $count->nbresults;
 366                      if ($twhere) {
 367                          $countsql .= ' AND '.$twhere;
 368                      }
 369                      $count = $DB->get_record_sql($countsql, $params);
 370                      $total  = $count->nbresults;
 371                  }
 372  
 373                  $table->pagesize($pagesize, $total);
 374  
 375                  echo \html_writer::start_div('scormattemptcounts');
 376                  if ( $count->nbresults == $count->nbattempts ) {
 377                      echo get_string('reportcountattempts', 'scorm', $count);
 378                  } else if ( $count->nbattempts > 0 ) {
 379                      echo get_string('reportcountallattempts', 'scorm', $count);
 380                  } else {
 381                      echo $count->nbusers.' '.get_string('users');
 382                  }
 383                  echo \html_writer::end_div();
 384              }
 385  
 386              // Fetch the attempts.
 387              if (!$download) {
 388                  $attempts = $DB->get_records_sql($select.$from.$where.$sort, $params,
 389                  $table->get_page_start(), $table->get_page_size());
 390                  echo \html_writer::start_div('', array('id' => 'scormtablecontainer'));
 391                  if ($candelete) {
 392                      // Start form.
 393                      $strreallydel  = addslashes_js(get_string('deleteattemptcheck', 'scorm'));
 394                      echo \html_writer::start_tag('form', array('id' => 'attemptsform', 'method' => 'post',
 395                                                                  'action' => $PAGE->url->out(false),
 396                                                                  'onsubmit' => 'return confirm("'.$strreallydel.'");'));
 397                      echo \html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'action', 'value' => 'delete'));
 398                      echo \html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
 399                      echo \html_writer::start_div('', array('style' => 'display: none;'));
 400                      echo \html_writer::input_hidden_params($PAGE->url);
 401                      echo \html_writer::end_div();
 402                      echo \html_writer::start_div();
 403                  }
 404                  $table->initialbars($totalinitials > 20); // Build table rows.
 405              } else {
 406                  $attempts = $DB->get_records_sql($select.$from.$where.$sort, $params);
 407              }
 408              if ($attempts) {
 409                  foreach ($attempts as $scouser) {
 410                      $row = array();
 411                      if (!empty($scouser->attempt)) {
 412                          $timetracks = scorm_get_sco_runtime($scorm->id, false, $scouser->userid, $scouser->attempt);
 413                      } else {
 414                          $timetracks = '';
 415                      }
 416                      if (in_array('checkbox', $columns)) {
 417                          if ($candelete && !empty($timetracks->start)) {
 418                              $row[] = $this->generate_row_checkbox('attemptid[]', "{$scouser->userid}:{$scouser->attempt}");
 419                          } else if ($candelete) {
 420                              $row[] = '';
 421                          }
 422                      }
 423                      if (in_array('picture', $columns)) {
 424                          $user = new \stdClass();
 425                          $additionalfields = explode(',', \user_picture::fields());
 426                          $user = username_load_fields_from_object($user, $scouser, null, $additionalfields);
 427                          $user->id = $scouser->userid;
 428                          $row[] = $OUTPUT->user_picture($user, array('courseid' => $course->id));
 429                      }
 430                      if (!$download) {
 431                          $url = new \moodle_url('/user/view.php', array('id' => $scouser->userid, 'course' => $course->id));
 432                          $row[] = \html_writer::link($url, fullname($scouser));
 433                      } else {
 434                          $row[] = fullname($scouser);
 435                      }
 436                      foreach ($extrafields as $field) {
 437                          $row[] = s($scouser->{$field});
 438                      }
 439                      if (empty($timetracks->start)) {
 440                          $row[] = '-';
 441                          $row[] = '-';
 442                          $row[] = '-';
 443                          $row[] = '-';
 444                      } else {
 445                          if (!$download) {
 446                              $url = new \moodle_url('/mod/scorm/report/userreport.php',
 447                                                      array('id' => $cm->id,
 448                                                          'user' => $scouser->userid,
 449                                                          'attempt' => $scouser->attempt));
 450                              $row[] = \html_writer::link($url, $scouser->attempt);
 451                          } else {
 452                              $row[] = $scouser->attempt;
 453                          }
 454                          if ($download == 'ODS' || $download == 'Excel' ) {
 455                              $row[] = userdate($timetracks->start, get_string("strftimedatetime", "langconfig"));
 456                          } else {
 457                              $row[] = userdate($timetracks->start);
 458                          }
 459                          if ($download == 'ODS' || $download == 'Excel' ) {
 460                              $row[] = userdate($timetracks->finish, get_string('strftimedatetime', 'langconfig'));
 461                          } else {
 462                              $row[] = userdate($timetracks->finish);
 463                          }
 464                          $row[] = scorm_grade_user_attempt($scorm, $scouser->userid, $scouser->attempt);
 465                      }
 466                      // Print out all scores of attempt.
 467                      $emptyrow = $download ? '' : '&nbsp;';
 468                      foreach ($scoes as $sco) {
 469                          if ($sco->launch != '') {
 470                              if ($trackdata = scorm_get_tracks($sco->id, $scouser->userid, $scouser->attempt)) {
 471                                  if ($trackdata->status == '') {
 472                                      $trackdata->status = 'notattempted';
 473                                  }
 474                                  $strstatus = get_string($trackdata->status, 'scorm');
 475                                  // If raw score exists, print it.
 476                                  if ($trackdata->score_raw != '') {
 477                                      $score = $trackdata->score_raw;
 478                                      // Add max score if it exists.
 479                                      if (isset($trackdata->score_max)) {
 480                                          $score .= '/'.$trackdata->score_max;
 481                                      }
 482                                  } else { // Else print out status.
 483                                      $score = $strstatus;
 484                                  }
 485                                  if (!$download) {
 486                                      $url = new \moodle_url('/mod/scorm/report/userreporttracks.php', array('id' => $cm->id,
 487                                          'scoid' => $sco->id, 'user' => $scouser->userid, 'attempt' => $scouser->attempt));
 488                                      $row[] = $OUTPUT->pix_icon($trackdata->status, $strstatus, 'scorm') . '<br>' .
 489                                          \html_writer::link($url, $score, array('title' => get_string('details', 'scorm')));
 490                                  } else {
 491                                      $row[] = $score;
 492                                  }
 493                                  // Interaction data.
 494                                  for ($i = 0; $i < $questioncount; $i++) {
 495                                      if ($displayoptions['qtext']) {
 496                                          $element = 'cmi.interactions_'.$i.'.id';
 497                                          if (isset($trackdata->$element)) {
 498                                              $row[] = s($trackdata->$element);
 499                                          } else {
 500                                              $row[] = $emptyrow;
 501                                          }
 502                                      }
 503                                      if ($displayoptions['resp']) {
 504                                          $element = 'cmi.interactions_'.$i.'.student_response';
 505                                          if (isset($trackdata->$element)) {
 506                                              $row[] = s($trackdata->$element);
 507                                          } else {
 508                                              $row[] = $emptyrow;
 509                                          }
 510                                      }
 511                                      if ($displayoptions['right']) {
 512                                          $j = 0;
 513                                          $element = 'cmi.interactions_'.$i.'.correct_responses_'.$j.'.pattern';
 514                                          $rightans = '';
 515                                          if (isset($trackdata->$element)) {
 516                                              while (isset($trackdata->$element)) {
 517                                                  if ($j > 0) {
 518                                                      $rightans .= ',';
 519                                                  }
 520                                                  $rightans .= s($trackdata->$element);
 521                                                  $j++;
 522                                                  $element = 'cmi.interactions_'.$i.'.correct_responses_'.$j.'.pattern';
 523                                              }
 524                                              $row[] = $rightans;
 525                                          } else {
 526                                              $row[] = $emptyrow;
 527                                          }
 528                                      }
 529                                      if ($displayoptions['result']) {
 530                                          $element = 'cmi.interactions_'.$i.'.result';
 531                                          if (isset($trackdata->$element)) {
 532                                              $row[] = s($trackdata->$element);
 533                                          } else {
 534                                              $row[] = $emptyrow;
 535                                          }
 536                                      }
 537                                  }
 538                                  // End of interaction data.
 539                              } else {
 540                                  // If we don't have track data, we haven't attempted yet.
 541                                  $strstatus = get_string('notattempted', 'scorm');
 542                                  if (!$download) {
 543                                      $row[] = $OUTPUT->pix_icon('notattempted', $strstatus, 'scorm') . '<br>' . $strstatus;
 544                                  } else {
 545                                      $row[] = $strstatus;
 546                                  }
 547                                  // Complete the empty cells.
 548                                  for ($i = 0; $i < count($columns) - $nbmaincolumns; $i++) {
 549                                      $row[] = $emptyrow;
 550                                  }
 551                              }
 552                          }
 553                      }
 554  
 555                      if (!$download) {
 556                          $table->add_data($row);
 557                      } else if ($download == 'Excel' or $download == 'ODS') {
 558                          $colnum = 0;
 559                          foreach ($row as $item) {
 560                              $myxls->write($rownum, $colnum, $item, $format);
 561                              $colnum++;
 562                          }
 563                          $rownum++;
 564                      } else if ($download == 'CSV') {
 565                          $csvexport->add_data($row);
 566                      }
 567                  }
 568                  if (!$download) {
 569                      $table->finish_output();
 570                      if ($candelete) {
 571                          echo \html_writer::start_tag('table', array('id' => 'commands'));
 572                          echo \html_writer::start_tag('tr').\html_writer::start_tag('td');
 573                          echo $this->generate_delete_selected_button();
 574                          echo \html_writer::end_tag('td').\html_writer::end_tag('tr').\html_writer::end_tag('table');
 575                          // Close form.
 576                          echo \html_writer::end_tag('div');
 577                          echo \html_writer::end_tag('form');
 578                      }
 579                      echo \html_writer::end_div();
 580                      if (!empty($attempts)) {
 581                          echo \html_writer::start_tag('table', array('class' => 'boxaligncenter')).\html_writer::start_tag('tr');
 582                          echo \html_writer::start_tag('td');
 583                          echo $OUTPUT->single_button(new \moodle_url($PAGE->url,
 584                                                                     array('download' => 'ODS') + $displayoptions),
 585                                                                     get_string('downloadods'),
 586                                                                     'post',
 587                                                                     ['class' => 'mt-1']);
 588                          echo \html_writer::end_tag('td');
 589                          echo \html_writer::start_tag('td');
 590                          echo $OUTPUT->single_button(new \moodle_url($PAGE->url,
 591                                                                     array('download' => 'Excel') + $displayoptions),
 592                                                                     get_string('downloadexcel'),
 593                                                                     'post',
 594                                                                     ['class' => 'mt-1']);
 595                          echo \html_writer::end_tag('td');
 596                          echo \html_writer::start_tag('td');
 597                          echo $OUTPUT->single_button(new \moodle_url($PAGE->url,
 598                                                                     array('download' => 'CSV') + $displayoptions),
 599                                                                     get_string('downloadtext'),
 600                                                                     'post',
 601                                                                     ['class' => 'mt-1']);
 602                          echo \html_writer::end_tag('td');
 603                          echo \html_writer::start_tag('td');
 604                          echo \html_writer::end_tag('td');
 605                          echo \html_writer::end_tag('tr').\html_writer::end_tag('table');
 606                      }
 607                  }
 608              } else {
 609                  if ($candelete && !$download) {
 610                      echo \html_writer::end_div();
 611                      echo \html_writer::end_tag('form');
 612                      $table->finish_output();
 613                  }
 614                  echo \html_writer::end_div();
 615              }
 616              // Show preferences form irrespective of attempts are there to report or not.
 617              if (!$download) {
 618                  $mform->set_data(compact('pagesize', 'attemptsmode'));
 619                  $mform->display();
 620              }
 621              if ($download == 'Excel' or $download == 'ODS') {
 622                  $workbook->close();
 623                  exit;
 624              } else if ($download == 'CSV') {
 625                  $csvexport->download_file();
 626                  exit;
 627              }
 628          } else {
 629              echo $OUTPUT->notification(get_string('noactivity', 'scorm'));
 630          }
 631      }// Function ends.
 632  }