mod/scorm/report/interactions/report.php

   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 defined('MOODLE_INTERNAL') || die();
  25
  26 require_once($CFG->dirroot.'/mod/scorm/report/interactions/responsessettings_form.php');
  27
  28 class scorm_interactions_report extends scorm_default_report {
  29     /**
  30      * displays the full report
  31      * @param stdClass $scorm full SCORM object
  32      * @param stdClass $cm - full course_module object
  33      * @param stdClass $course - full course object
  34      * @param string $download - type of download being requested
  35      */
  36     function display($scorm, $cm, $course, $download) {
  37         global $CFG, $DB, $OUTPUT, $PAGE;
  38         $contextmodule = get_context_instance(CONTEXT_MODULE, $cm->id);
  39         $action = optional_param('action', '', PARAM_ALPHA);
  40         $attemptids = optional_param('attemptid', array(), PARAM_RAW);
  41
  42         if ($action == 'delete' && has_capability('mod/scorm:deleteresponses', $contextmodule) && confirm_sesskey()) {
  43             if (scorm_delete_responses($attemptids, $scorm)) { //delete responses.
  44                 add_to_log($course->id, 'scorm', 'delete attempts', 'report.php?id=' . $cm->id, implode(",", $attemptids), $cm->id);
  45                 echo $OUTPUT->notification(get_string('scormresponsedeleted', 'scorm'), 'notifysuccess');
  46             }
  47         }
  48
  49         // detailed report
  50         $mform = new mod_scorm_report_interactions_settings($PAGE->url, compact('currentgroup'));
  51         if ($fromform = $mform->get_data()) {
  52             $pagesize = $fromform->pagesize;
  53             $includeqtext = $fromform->qtext;
  54             $includeresp = $fromform->resp;
  55             $includeright = $fromform->right;
  56             $attemptsmode = !empty($fromform->attemptsmode) ? $fromform->attemptsmode : SCORM_REPORT_ATTEMPTS_ALL_STUDENTS;
  57             set_user_preference('scorm_report_pagesize', $pagesize);
  58             set_user_preference('scorm_report_interactions_qtext', $includeqtext);
  59             set_user_preference('scorm_report_interactions_resp', $includeresp);
  60             set_user_preference('scorm_report_interactions_right', $includeright);
  61         } else {
  62             $pagesize = get_user_preferences('scorm_report_pagesize', 0);
  63             $attemptsmode = optional_param('attemptsmode', SCORM_REPORT_ATTEMPTS_STUDENTS_WITH, PARAM_INT);
  64             $includeqtext = get_user_preferences('scorm_report_interactions_qtext', 0);
  65             $includeresp = get_user_preferences('scorm_report_interactions_resp', 1);
  66             $includeright = get_user_preferences('scorm_report_interactions_right', 0);
  67         }
  68         if ($pagesize < 1) {
  69             $pagesize = SCORM_REPORT_DEFAULT_PAGE_SIZE;
  70         }
  71
  72         // select group menu
  73         $displayoptions = array();
  74         $displayoptions['attemptsmode'] = $attemptsmode;
  75         $displayoptions['qtext'] = $includeqtext;
  76         $displayoptions['resp'] = $includeresp;
  77         $displayoptions['right'] = $includeright;
  78
  79         $mform->set_data($displayoptions + array('pagesize' => $pagesize));
  80         if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used
  81             if (!$download) {
  82                 groups_print_activity_menu($cm, new moodle_url($PAGE->url, $displayoptions));
  83             }
  84         }
  85         $formattextoptions = array('context' => get_context_instance(CONTEXT_COURSE, $course->id));
  86
  87         // We only want to show the checkbox to delete attempts
  88         // if the user has permissions and if the report mode is showing attempts.
  89         $candelete = has_capability('mod/scorm:deleteresponses', $contextmodule)
  90                 && ($attemptsmode != SCORM_REPORT_ATTEMPTS_STUDENTS_WITH_NO);
  91         // select the students
  92         $nostudents = false;
  93
  94         if (empty($currentgroup)) {
  95             // all users who can attempt scoes
  96             if (!$students = get_users_by_capability($contextmodule, 'mod/scorm:savetrack', '', '', '', '', '', '', false)) {
  97                 echo $OUTPUT->notification(get_string('nostudentsyet'));
  98                 $nostudents = true;
  99                 $allowedlist = '';
 100             } else {
 101                 $allowedlist = array_keys($students);
 102             }
 103         } else {
 104             // all users who can attempt scoes and who are in the currently selected group
 105             if (!$groupstudents = get_users_by_capability($contextmodule, 'mod/scorm:savetrack', '', '', '', '', $currentgroup, '', false)) {
 106                 echo $OUTPUT->notification(get_string('nostudentsingroup'));
 107                 $nostudents = true;
 108                 $groupstudents = array();
 109             }
 110             $allowedlist = ($groupstudents);
 111         }
 112         if ( !$nostudents ) {
 113             // Now check if asked download of data
 114             if ($download) {
 115                 $filename = clean_filename("$course->shortname ".format_string($scorm->name, true,$formattextoptions));
 116             }
 117
 118             // Define table columns
 119             $columns = array();
 120             $headers = array();
 121             if (!$download && $candelete) {
 122                 $columns[] = 'checkbox';
 123                 $headers[] = null;
 124             }
 125             if (!$download && $CFG->grade_report_showuserimage) {
 126                 $columns[] = 'picture';
 127                 $headers[] = '';
 128             }
 129             $columns[] = 'fullname';
 130             $headers[] = get_string('name');
 131             if ($CFG->grade_report_showuseridnumber) {
 132                 $columns[] = 'idnumber';
 133                 $headers[] = get_string('idnumber');
 134             }
 135             $columns[] = 'attempt';
 136             $headers[] = get_string('attempt', 'scorm');
 137             $columns[] = 'start';
 138             $headers[] = get_string('started', 'scorm');
 139             $columns[] = 'finish';
 140             $headers[] = get_string('last', 'scorm');
 141             $columns[] = 'score';
 142             $headers[] = get_string('score', 'scorm');
 143             $scoes = $DB->get_records('scorm_scoes', array("scorm"=>$scorm->id), 'id');
 144             foreach ($scoes as $sco) {
 145                 if ($sco->launch != '') {
 146                     $columns[] = 'scograde'.$sco->id;
 147                     $headers[] = format_string($sco->title,'',$formattextoptions);
 148                     $table->head[]= format_string($sco->title,'',$formattextoptions);
 149                 }
 150             }
 151
 152             $params = array();
 153             list($usql, $params) = $DB->get_in_or_equal($allowedlist);
 154                                     // Construct the SQL
 155             $select = 'SELECT DISTINCT '.$DB->sql_concat('u.id', '\'#\'', 'COALESCE(st.attempt, 0)').' AS uniqueid, ';
 156             $select .= 'st.scormid AS scormid, st.attempt AS attempt, ' .
 157                     'u.id AS userid, u.idnumber, u.firstname, u.lastname, u.picture, u.imagealt, u.email ';
 158
 159             // This part is the same for all cases - join users and scorm_scoes_track tables
 160             $from = 'FROM {user} u ';
 161             $from .= 'LEFT JOIN {scorm_scoes_track} st ON st.userid = u.id AND st.scormid = '.$scorm->id;
 162             switch ($attemptsmode) {
 163                 case SCORM_REPORT_ATTEMPTS_STUDENTS_WITH:
 164                     // Show only students with attempts
 165                     $where = ' WHERE u.id ' .$usql. ' AND st.userid IS NOT NULL';
 166                     break;
 167                 case SCORM_REPORT_ATTEMPTS_STUDENTS_WITH_NO:
 168                     // Show only students without attempts
 169                     $where = ' WHERE u.id ' .$usql. ' AND st.userid IS NULL';
 170                     break;
 171                 case SCORM_REPORT_ATTEMPTS_ALL_STUDENTS:
 172                     // Show all students with or without attempts
 173                     $where = ' WHERE u.id ' .$usql. ' AND (st.userid IS NOT NULL OR st.userid IS NULL)';
 174                     break;
 175             }
 176
 177             $countsql = 'SELECT COUNT(DISTINCT('.$DB->sql_concat('u.id', '\'#\'', 'COALESCE(st.attempt, 0)').')) AS nbresults, ';
 178             $countsql .= 'COUNT(DISTINCT('.$DB->sql_concat('u.id', '\'#\'', 'st.attempt').')) AS nbattempts, ';
 179             $countsql .= 'COUNT(DISTINCT(u.id)) AS nbusers ';
 180             $countsql .= $from.$where;
 181             $attempts = $DB->get_records_sql($select.$from.$where, $params);
 182             $questioncount = get_scorm_question_count($scorm->id);
 183             for($id = 0; $id < $questioncount; $id++) {
 184                 if ($displayoptions['qtext']) {
 185                     $columns[] = 'question' . $id;
 186                     $headers[] = get_string('questionx', 'scormreport_interactions', $id);
 187                 }
 188                 if ($displayoptions['resp']) {
 189                     $columns[] = 'response' . $id;
 190                     $headers[] = get_string('responsex', 'scormreport_interactions', $id);
 191                 }
 192                 if ($displayoptions['right']) {
 193                     $columns[] = 'right' . $id;
 194                     $headers[] = get_string('rightanswerx', 'scormreport_interactions', $id);
 195                 }
 196             }
 197
 198             if (!$download) {
 199                 $table = new flexible_table('mod-scorm-report');
 200
 201                 $table->define_columns($columns);
 202                 $table->define_headers($headers);
 203                 $table->define_baseurl($PAGE->url);
 204
 205                 $table->sortable(true);
 206                 $table->collapsible(true);
 207
 208                 $table->column_suppress('picture');
 209                 $table->column_suppress('fullname');
 210                 $table->column_suppress('idnumber');
 211
 212                 $table->no_sorting('start');
 213                 $table->no_sorting('finish');
 214                 $table->no_sorting('score');
 215
 216                 foreach ($scoes as $sco) {
 217                     if ($sco->launch != '') {
 218                         $table->no_sorting('scograde'.$sco->id);
 219                     }
 220                 }
 221
 222                 $table->column_class('picture', 'picture');
 223                 $table->column_class('fullname', 'bold');
 224                 $table->column_class('score', 'bold');
 225
 226                 $table->set_attribute('cellspacing', '0');
 227                 $table->set_attribute('id', 'attempts');
 228                 $table->set_attribute('class', 'generaltable generalbox');
 229
 230                 // Start working -- this is necessary as soon as the niceties are over
 231                 $table->setup();
 232             } else if ($download == 'ODS') {
 233                 require_once("$CFG->libdir/odslib.class.php");
 234
 235                 $filename .= ".ods";
 236                 // Creating a workbook
 237                 $workbook = new MoodleODSWorkbook("-");
 238                 // Sending HTTP headers
 239                 $workbook->send($filename);
 240                 // Creating the first worksheet
 241                 $sheettitle = get_string('report', 'scorm');
 242                 $myxls =& $workbook->add_worksheet($sheettitle);
 243                 // format types
 244                 $format =& $workbook->add_format();
 245                 $format->set_bold(0);
 246                 $formatbc =& $workbook->add_format();
 247                 $formatbc->set_bold(1);
 248                 $formatbc->set_align('center');
 249                 $formatb =& $workbook->add_format();
 250                 $formatb->set_bold(1);
 251                 $formaty =& $workbook->add_format();
 252                 $formaty->set_bg_color('yellow');
 253                 $formatc =& $workbook->add_format();
 254                 $formatc->set_align('center');
 255                 $formatr =& $workbook->add_format();
 256                 $formatr->set_bold(1);
 257                 $formatr->set_color('red');
 258                 $formatr->set_align('center');
 259                 $formatg =& $workbook->add_format();
 260                 $formatg->set_bold(1);
 261                 $formatg->set_color('green');
 262                 $formatg->set_align('center');
 263                 // Here starts workshhet headers
 264
 265                 $colnum = 0;
 266                 foreach ($headers as $item) {
 267                     $myxls->write(0, $colnum, $item, $formatbc);
 268                     $colnum++;
 269                 }
 270                 $rownum = 1;
 271             } else if ($download =='Excel') {
 272                 require_once("$CFG->libdir/excellib.class.php");
 273
 274                 $filename .= ".xls";
 275                 // Creating a workbook
 276                 $workbook = new MoodleExcelWorkbook("-");
 277                 // Sending HTTP headers
 278                 $workbook->send($filename);
 279                 // Creating the first worksheet
 280                 $sheettitle = get_string('report', 'scorm');
 281                 $myxls =& $workbook->add_worksheet($sheettitle);
 282                 // format types
 283                 $format =& $workbook->add_format();
 284                 $format->set_bold(0);
 285                 $formatbc =& $workbook->add_format();
 286                 $formatbc->set_bold(1);
 287                 $formatbc->set_align('center');
 288                 $formatb =& $workbook->add_format();
 289                 $formatb->set_bold(1);
 290                 $formaty =& $workbook->add_format();
 291                 $formaty->set_bg_color('yellow');
 292                 $formatc =& $workbook->add_format();
 293                 $formatc->set_align('center');
 294                 $formatr =& $workbook->add_format();
 295                 $formatr->set_bold(1);
 296                 $formatr->set_color('red');
 297                 $formatr->set_align('center');
 298                 $formatg =& $workbook->add_format();
 299                 $formatg->set_bold(1);
 300                 $formatg->set_color('green');
 301                 $formatg->set_align('center');
 302
 303                 $colnum = 0;
 304                 foreach ($headers as $item) {
 305                     $myxls->write(0, $colnum, $item, $formatbc);
 306                     $colnum++;
 307                 }
 308                 $rownum = 1;
 309             } else if ($download == 'CSV') {
 310                 $filename .= ".txt";
 311                 header("Content-Type: application/download\n");
 312                 header("Content-Disposition: attachment; filename=\"$filename\"");
 313                 header("Expires: 0");
 314                 header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
 315                 header("Pragma: public");
 316                 echo implode("\t", $headers)." \n";
 317             }
 318
 319             if (!$download) {
 320                 $sort = $table->get_sql_sort();
 321             } else {
 322                 $sort = '';
 323             }
 324             // Fix some wired sorting
 325             if (empty($sort)) {
 326                 $sort = ' ORDER BY uniqueid';
 327             } else {
 328                 $sort = ' ORDER BY '.$sort;
 329             }
 330
 331             if (!$download) {
 332                 // Add extra limits due to initials bar
 333                 list($twhere, $tparams) = $table->get_sql_where();
 334                 if ($twhere) {
 335                     $where .= ' AND '.$twhere; //initial bar
 336                     $params = array_merge($params, $tparams);
 337                 }
 338
 339                 if (!empty($countsql)) {
 340                     $count = $DB->get_record_sql($countsql,$params);
 341                     $totalinitials = $count->nbresults;
 342                     if ($twhere) {
 343                         $countsql .= ' AND '.$twhere;
 344                     }
 345                     $count = $DB->get_record_sql($countsql, $params);
 346                     $total  = $count->nbresults;
 347                 }
 348
 349                 $table->pagesize($pagesize, $total);
 350
 351                 echo '<div class="quizattemptcounts">';
 352                 if ( $count->nbresults == $count->nbattempts ) {
 353                     echo get_string('reportcountattempts', 'scorm', $count);
 354                 } else if ( $count->nbattempts>0 ) {
 355                     echo get_string('reportcountallattempts', 'scorm', $count);
 356                 } else {
 357                     echo $count->nbusers.' '.get_string('users');
 358                 }
 359                 echo '</div>';
 360             }
 361
 362             // Fetch the attempts
 363             if (!$download) {
 364                 $attempts = $DB->get_records_sql($select.$from.$where.$sort, $params,
 365                 $table->get_page_start(), $table->get_page_size());
 366                 echo '<div id="scormtablecontainer">';
 367                 if ($candelete) {
 368                     // Start form
 369                     $strreallydel  = addslashes_js(get_string('deleteattemptcheck', 'scorm'));
 370                     echo '<form id="attemptsform" method="post" action="' . $PAGE->url->out(false) .
 371                          '" onsubmit="return confirm(\''.$strreallydel.'\');">';
 372                     echo '<input type="hidden" name="action" value="delete"/>';
 373                     echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 374                     echo '<div style="display: none;">';
 375                     echo html_writer::input_hidden_params($PAGE->url);
 376                     echo '</div>';
 377                     echo '<div>';
 378                 }
 379                 $table->initialbars($totalinitials>20); // Build table rows
 380             } else {
 381                 $attempts = $DB->get_records_sql($select.$from.$where.$sort, $params);
 382             }
 383             if ($attempts) {
 384                 foreach ($attempts as $scouser) {
 385                     $row = array();
 386                     if (!empty($scouser->attempt)) {
 387                         $timetracks = scorm_get_sco_runtime($scorm->id, false, $scouser->userid, $scouser->attempt);
 388                     } else {
 389                         $timetracks = '';
 390                     }
 391                     if (in_array('checkbox', $columns)) {
 392                         if ($candelete && !empty($timetracks->start)) {
 393                             $row[] = '<input type="checkbox" name="attemptid[]" value="'. $scouser->userid . ':' . $scouser->attempt . '" />';
 394                         } else if ($candelete) {
 395                             $row[] = '';
 396                         }
 397                     }
 398                     if (in_array('picture', $columns)) {
 399                         $user = (object)array(
 400                                     'id'=>$scouser->userid,
 401                                     'picture'=>$scouser->picture,
 402                                     'imagealt'=>$scouser->imagealt,
 403                                     'email'=>$scouser->email,
 404                                     'firstname'=>$scouser->firstname,
 405                                     'lastname'=>$scouser->lastname);
 406                         $row[] = $OUTPUT->user_picture($user, array('courseid'=>$course->id));
 407                     }
 408                     if (!$download) {
 409                         $row[] = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$scouser->userid.'&amp;course='.$course->id.'">'.fullname($scouser).'</a>';
 410                     } else {
 411                         $row[] = fullname($scouser);
 412                     }
 413                     if (in_array('idnumber', $columns)) {
 414                         $row[] = $scouser->idnumber;
 415                     }
 416                     if (empty($timetracks->start)) {
 417                         $row[] = '-';
 418                         $row[] = '-';
 419                         $row[] = '-';
 420                         $row[] = '-';
 421                     } else {
 422                         if (!$download) {
 423                             $row[] = '<a href="userreport.php?a='.$scorm->id.'&amp;user='.$scouser->userid.'&amp;attempt='.$scouser->attempt.'">'.$scouser->attempt.'</a>';
 424                         } else {
 425                             $row[] = $scouser->attempt;
 426                         }
 427                         if ($download =='ODS' || $download =='Excel' ) {
 428                             $row[] = userdate($timetracks->start, get_string("strftimedatetime", "langconfig"));
 429                         } else {
 430                             $row[] = userdate($timetracks->start);
 431                         }
 432                         if ($download =='ODS' || $download =='Excel' ) {
 433                             $row[] = userdate($timetracks->finish, get_string('strftimedatetime', 'langconfig'));
 434                         } else {
 435                             $row[] = userdate($timetracks->finish);
 436                         }
 437                         $row[] = scorm_grade_user_attempt($scorm, $scouser->userid, $scouser->attempt);
 438                     }
 439                     // print out all scores of attempt
 440                     foreach ($scoes as $sco) {
 441                         if ($sco->launch != '') {
 442                             if ($trackdata = scorm_get_tracks($sco->id, $scouser->userid, $scouser->attempt)) {
 443                                 if ($trackdata->status == '') {
 444                                     $trackdata->status = 'notattempted';
 445                                 }
 446                                 $strstatus = get_string($trackdata->status, 'scorm');
 447                                 // if raw score exists, print it
 448                                 if ($trackdata->score_raw != '') {
 449                                     $score = $trackdata->score_raw;
 450                                     // add max score if it exists
 451                                     if ($scorm->version == 'SCORM_1.3') {
 452                                         $maxkey = 'cmi.score.max';
 453                                     } else {
 454                                         $maxkey = 'cmi.core.score.max';
 455                                     }
 456                                     if (isset($trackdata->$maxkey)) {
 457                                         $score .= '/'.$trackdata->$maxkey;
 458                                     }
 459                                 // else print out status
 460                                 } else {
 461                                     $score = $strstatus;
 462                                 }
 463                                 if (!$download) {
 464                                     $row[] = '<img src="'.$OUTPUT->pix_url($trackdata->status, 'scorm').'" alt="'.$strstatus.'" title="'.$strstatus.'" /><br/>
 465                                             <a href="userreport.php?b='.$sco->id.'&amp;user='.$scouser->userid.'&amp;attempt='.$scouser->attempt.
 466                                             '" title="'.get_string('details', 'scorm').'">'.$score.'</a>';
 467                                 } else {
 468                                     $row[] = $score;
 469                                 }
 470                                 // interaction data
 471                                 $i=0;
 472                                 $element='cmi.interactions_'.$i.'.id';
 473                                 while(isset($trackdata->$element)) {
 474                                     if ($displayoptions['qtext']) {
 475                                         $element='cmi.interactions_'.$i.'.id';
 476                                         if (isset($trackdata->$element)) {
 477                                             $row[] = s($trackdata->$element);
 478                                         } else {
 479                                             $row[] = '&nbsp;';
 480                                         }
 481                                     }
 482                                     if ($displayoptions['resp']) {
 483                                         $element='cmi.interactions_'.$i.'.student_response';
 484                                         if (isset($trackdata->$element)) {
 485                                             $row[] = s($trackdata->$element);
 486                                         } else {
 487                                             $row[] = '&nbsp;';
 488                                         }
 489                                     }
 490                                     if ($displayoptions['right']) {
 491                                         $j=0;
 492                                         $element = 'cmi.interactions_'.$i.'.correct_responses_'.$j.'.pattern';
 493                                         $rightans = '';
 494                                         if (isset($trackdata->$element)) {
 495                                             while(isset($trackdata->$element)) {
 496                                                 if($j>0) {
 497                                                     $rightans .= ',';
 498                                                 }
 499                                                 $rightans .= s($trackdata->$element);
 500                                                 $j++;
 501                                                 $element = 'cmi.interactions_'.$i.'.correct_responses_'.$j.'.pattern';
 502                                             }
 503                                             $row[] = $rightans;
 504                                         } else {
 505                                             $row[] = '&nbsp;';
 506                                         }
 507                                     }
 508                                     $i++;
 509                                     $element = 'cmi.interactions_'.$i.'.id';
 510                                 }
 511                             //---end of interaction data*/
 512                             } else {
 513                                 // if we don't have track data, we haven't attempted yet
 514                                 $strstatus = get_string('notattempted', 'scorm');
 515                                 if (!$download) {
 516                                     $row[] = '<img src="'.$OUTPUT->pix_url('notattempted', 'scorm').'" alt="'.$strstatus.'" title="'.$strstatus.'" /><br/>'.$strstatus;
 517                                 } else {
 518                                     $row[] = $strstatus;
 519                                 }
 520                             }
 521                         }
 522                     }
 523
 524                     if (!$download) {
 525                         $table->add_data($row);
 526                     } else if ($download == 'Excel' or $download == 'ODS') {
 527                         $colnum = 0;
 528                         foreach ($row as $item) {
 529                             $myxls->write($rownum, $colnum, $item, $format);
 530                             $colnum++;
 531                         }
 532                         $rownum++;
 533                     } else if ($download == 'CSV') {
 534                         $text = implode("\t", $row);
 535                         echo $text." \n";
 536                     }
 537                 }
 538                 if (!$download) {
 539                     $table->finish_output();
 540                     if ($candelete) {
 541                         echo '<table id="commands">';
 542                         echo '<tr><td>';
 543                         echo '<a href="javascript:select_all_in(\'DIV\', null, \'scormtablecontainer\');">'.
 544                              get_string('selectall', 'scorm').'</a> / ';
 545                         echo '<a href="javascript:deselect_all_in(\'DIV\', null, \'scormtablecontainer\');">'.
 546                              get_string('selectnone', 'scorm').'</a> ';
 547                         echo '&nbsp;&nbsp;';
 548                         echo '<input type="submit" value="'.get_string('deleteselected', 'quiz_overview').'"/>';
 549                         echo '</td></tr></table>';
 550                         // Close form
 551                         echo '</div>';
 552                         echo '</form>';
 553                     }
 554                     echo '</div>';
 555                     if (!empty($attempts)) {
 556                         echo '<table class="boxaligncenter"><tr>';
 557                         echo '<td>';
 558                         echo $OUTPUT->single_button(new moodle_url($PAGE->url,
 559                                                                    array('download'=>'ODS') + $displayoptions),
 560                                                                    get_string('downloadods'));
 561                         echo "</td>\n";
 562                         echo '<td>';
 563                         echo $OUTPUT->single_button(new moodle_url($PAGE->url,
 564                                                                    array('download'=>'Excel') + $displayoptions),
 565                                                                    get_string('downloadexcel'));
 566                         echo "</td>\n";
 567                         echo '<td>';
 568                         echo $OUTPUT->single_button(new moodle_url($PAGE->url,
 569                                                                    array('download'=>'CSV') + $displayoptions),
 570                                                                    get_string('downloadtext'));
 571                         echo "</td>\n";
 572                         echo "<td>";
 573                         echo "</td>\n";
 574                         echo '</tr></table>';
 575                     }
 576                 }
 577                 if (!$download) {
 578                     $mform->set_data(compact('detailedrep', 'pagesize'));
 579                     $mform->display();
 580                 }
 581             } else {
 582                 if ($candelete && !$download) {
 583                     echo '</div>';
 584                     echo '</form>';
 585                 }
 586                 echo '</div>';
 587                 echo $OUTPUT->notification(get_string('noactivity', 'scorm'));
 588             }
 589             if ($download == 'Excel' or $download == 'ODS') {
 590                 $workbook->close();
 591                 exit;
 592             } else if ($download == 'CSV') {
 593                 exit;
 594             }
 595         } else {
 596             echo $OUTPUT->notification(get_string('noactivity', 'scorm'));
 597         }
 598     }// function ends
 599 }