mod/scorm/mod_form.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 if (!defined('MOODLE_INTERNAL')) {
  18     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  19 }
  20
  21 require_once($CFG->dirroot.'/course/moodleform_mod.php');
  22 require_once($CFG->dirroot.'/mod/scorm/locallib.php');
  23
  24 class mod_scorm_mod_form extends moodleform_mod {
  25
  26     function definition() {
  27         global $CFG, $COURSE, $OUTPUT;
  28         $cfg_scorm = get_config('scorm');
  29
  30         $mform = $this->_form;
  31
  32         if (!$CFG->slasharguments) {
  33             $mform->addElement('static', '', '', $OUTPUT->notification(get_string('slashargs', 'scorm'), 'notifyproblem'));
  34         }
  35         //-------------------------------------------------------------------------------
  36         $mform->addElement('header', 'general', get_string('general', 'form'));
  37
  38         // Name
  39         $mform->addElement('text', 'name', get_string('name'));
  40         if (!empty($CFG->formatstringstriptags)) {
  41             $mform->setType('name', PARAM_TEXT);
  42         } else {
  43             $mform->setType('name', PARAM_CLEANHTML);
  44         }
  45         $mform->addRule('name', null, 'required', null, 'client');
  46
  47         // Summary
  48         $this->add_intro_editor(true);
  49
  50         // Scorm types
  51         $scormtypes = array(SCORM_TYPE_LOCAL => get_string('typelocal', 'scorm'));
  52
  53         if ($cfg_scorm->allowtypeexternal) {
  54             $scormtypes[SCORM_TYPE_EXTERNAL] = get_string('typeexternal', 'scorm');
  55         }
  56
  57         if ($cfg_scorm->allowtypelocalsync) {
  58             $scormtypes[SCORM_TYPE_LOCALSYNC] = get_string('typelocalsync', 'scorm');
  59         }
  60
  61         if (!empty($CFG->repositoryactivate) and $cfg_scorm->allowtypeimsrepository) {
  62             $scormtypes[SCORM_TYPE_IMSREPOSITORY] = get_string('typeimsrepository', 'scorm');
  63         }
  64
  65         if ($cfg_scorm->allowtypeexternalaicc) {
  66             $scormtypes[SCORM_TYPE_AICCURL] = get_string('typeaiccurl', 'scorm');
  67         }
  68
  69         // Reference
  70         if (count($scormtypes) > 1) {
  71             $mform->addElement('select', 'scormtype', get_string('scormtype', 'scorm'), $scormtypes);
  72             $mform->addHelpButton('scormtype', 'scormtype', 'scorm');
  73             $mform->addElement('text', 'packageurl', get_string('packageurl', 'scorm'), array('size'=>60));
  74             $mform->setType('packageurl', PARAM_RAW);
  75             $mform->addHelpButton('packageurl', 'packageurl', 'scorm');
  76             $mform->disabledIf('packageurl', 'scormtype', 'eq', SCORM_TYPE_LOCAL);
  77         } else {
  78             $mform->addElement('hidden', 'scormtype', SCORM_TYPE_LOCAL);
  79         }
  80
  81         // New local package upload
  82         $maxbytes = get_max_upload_file_size($CFG->maxbytes, $COURSE->maxbytes);
  83         $mform->setMaxFileSize($maxbytes);
  84         $mform->addElement('filepicker', 'packagefile', get_string('package', 'scorm'));
  85         $mform->addHelpButton('packagefile', 'package', 'scorm');
  86         $mform->disabledIf('packagefile', 'scormtype', 'noteq', SCORM_TYPE_LOCAL);
  87
  88         //-------------------------------------------------------------------------------
  89         // Time restrictions
  90         $mform->addElement('header', 'timerestricthdr', get_string('timerestrict', 'scorm'));
  91
  92         $mform->addElement('date_time_selector', 'timeopen', get_string("scormopen", "scorm"), array('optional' => true));
  93         $mform->addElement('date_time_selector', 'timeclose', get_string("scormclose", "scorm"), array('optional' => true));
  94         //-------------------------------------------------------------------------------
  95         // display Settings
  96         $mform->addElement('header', 'displaysettings', get_string('displaysettings', 'scorm'));
  97         // Framed / Popup Window
  98         $mform->addElement('select', 'popup', get_string('display', 'scorm'), scorm_get_popup_display_array());
  99         $mform->setDefault('popup', $cfg_scorm->popup);
 100         $mform->setAdvanced('popup', $cfg_scorm->popup_adv);
 101
 102         // Width
 103         $mform->addElement('text', 'width', get_string('width', 'scorm'), 'maxlength="5" size="5"');
 104         $mform->setDefault('width', $cfg_scorm->framewidth);
 105         $mform->setType('width', PARAM_INT);
 106         $mform->setAdvanced('width', $cfg_scorm->framewidth_adv);
 107         $mform->disabledIf('width', 'popup', 'eq', 0);
 108
 109         // Height
 110         $mform->addElement('text', 'height', get_string('height', 'scorm'), 'maxlength="5" size="5"');
 111         $mform->setDefault('height', $cfg_scorm->frameheight);
 112         $mform->setType('height', PARAM_INT);
 113         $mform->setAdvanced('height', $cfg_scorm->frameheight_adv);
 114         $mform->disabledIf('height', 'popup', 'eq', 0);
 115
 116         // Window Options
 117         $winoptgrp = array();
 118         foreach (scorm_get_popup_options_array() as $key => $value) {
 119             $winoptgrp[] = &$mform->createElement('checkbox', $key, '', get_string($key, 'scorm'));
 120             $mform->setDefault($key, $value);
 121         }
 122         $mform->addGroup($winoptgrp, 'winoptgrp', get_string('options', 'scorm'), '<br />', false);
 123         $mform->disabledIf('winoptgrp', 'popup', 'eq', 0);
 124         $mform->setAdvanced('winoptgrp', $cfg_scorm->winoptgrp_adv);
 125
 126         // Skip view page
 127         $skipviewoptions = scorm_get_skip_view_array();
 128         if ($COURSE->format == 'scorm') { // Remove option that would cause a constant redirect.
 129             unset($skipviewoptions[SCORM_SKIPVIEW_ALWAYS]);
 130             if ($cfg_scorm->skipview == SCORM_SKIPVIEW_ALWAYS) {
 131                 $cfg_scorm->skipview = SCORM_SKIPVIEW_FIRST;
 132             }
 133         }
 134         $mform->addElement('select', 'skipview', get_string('skipview', 'scorm'), $skipviewoptions);
 135         $mform->addHelpButton('skipview', 'skipview', 'scorm');
 136         $mform->setDefault('skipview', $cfg_scorm->skipview);
 137         $mform->setAdvanced('skipview', $cfg_scorm->skipview_adv);
 138
 139         // Hide Browse
 140         $mform->addElement('selectyesno', 'hidebrowse', get_string('hidebrowse', 'scorm'));
 141         $mform->addHelpButton('hidebrowse', 'hidebrowse', 'scorm');
 142         $mform->setDefault('hidebrowse', $cfg_scorm->hidebrowse);
 143         $mform->setAdvanced('hidebrowse', $cfg_scorm->hidebrowse_adv);
 144
 145         // Display course structure
 146         $mform->addElement('selectyesno', 'displaycoursestructure', get_string('displaycoursestructure', 'scorm'));
 147         $mform->addHelpButton('displaycoursestructure', 'displaycoursestructure', 'scorm');
 148         $mform->setDefault('displaycoursestructure', $cfg_scorm->displaycoursestructure);
 149         $mform->setAdvanced('displaycoursestructure', $cfg_scorm->displaycoursestructure_adv);
 150
 151         // Toc display
 152         $mform->addElement('select', 'hidetoc', get_string('hidetoc', 'scorm'), scorm_get_hidetoc_array());
 153         $mform->addHelpButton('hidetoc', 'hidetoc', 'scorm');
 154         $mform->setDefault('hidetoc', $cfg_scorm->hidetoc);
 155         $mform->setAdvanced('hidetoc', $cfg_scorm->hidetoc_adv);
 156
 157         // Hide Navigation panel
 158         $mform->addElement('selectyesno', 'hidenav', get_string('hidenav', 'scorm'));
 159         $mform->setDefault('hidenav', $cfg_scorm->hidenav);
 160         $mform->setAdvanced('hidenav', $cfg_scorm->hidenav_adv);
 161         $mform->disabledIf('hidenav', 'hidetoc', 'noteq', 0);
 162
 163         //-------------------------------------------------------------------------------
 164         // grade Settings
 165         $mform->addElement('header', 'gradesettings', get_string('gradesettings', 'scorm'));
 166
 167         // Grade Method
 168         $mform->addElement('select', 'grademethod', get_string('grademethod', 'scorm'), scorm_get_grade_method_array());
 169         $mform->addHelpButton('grademethod', 'grademethod', 'scorm');
 170         $mform->setDefault('grademethod', $cfg_scorm->grademethod);
 171         $mform->setAdvanced('grademethod', $cfg_scorm->grademethod_adv);
 172
 173         // Maximum Grade
 174         for ($i=0; $i<=100; $i++) {
 175             $grades[$i] = "$i";
 176         }
 177         $mform->addElement('select', 'maxgrade', get_string('maximumgrade'), $grades);
 178         $mform->setDefault('maxgrade', $cfg_scorm->maxgrade);
 179         $mform->disabledIf('maxgrade', 'grademethod', 'eq', GRADESCOES);
 180         $mform->setAdvanced('maxgrade', $cfg_scorm->maxgrade_adv);
 181
 182         $mform->addElement('header', 'othersettings', get_string('othersettings', 'scorm'));
 183
 184         // Max Attempts
 185         $mform->addElement('select', 'maxattempt', get_string('maximumattempts', 'scorm'), scorm_get_attempts_array());
 186         $mform->addHelpButton('maxattempt', 'maximumattempts', 'scorm');
 187         $mform->setDefault('maxattempt', $cfg_scorm->maxattempt);
 188         $mform->setAdvanced('maxattempt', $cfg_scorm->maxattempt_adv);
 189
 190         // What Grade
 191         $mform->addElement('select', 'whatgrade', get_string('whatgrade', 'scorm'),  scorm_get_what_grade_array());
 192         $mform->disabledIf('whatgrade', 'maxattempt', 'eq', 1);
 193         $mform->addHelpButton('whatgrade', 'whatgrade', 'scorm');
 194         $mform->setDefault('whatgrade', $cfg_scorm->whatgrade);
 195         $mform->setAdvanced('whatgrade', $cfg_scorm->whatgrade_adv);
 196
 197         // Display attempt status
 198         $mform->addElement('select', 'displayattemptstatus', get_string('displayattemptstatus', 'scorm'), scorm_get_attemptstatus_array());
 199         $mform->addHelpButton('displayattemptstatus', 'displayattemptstatus', 'scorm');
 200         $mform->setDefault('displayattemptstatus', $cfg_scorm->displayattemptstatus);
 201         $mform->setAdvanced('displayattemptstatus', $cfg_scorm->displayattemptstatus_adv);
 202
 203         // Force completed
 204         $mform->addElement('selectyesno', 'forcecompleted', get_string('forcecompleted', 'scorm'));
 205         $mform->addHelpButton('forcecompleted', 'forcecompleted', 'scorm');
 206         $mform->setDefault('forcecompleted', $cfg_scorm->forcecompleted);
 207         $mform->setAdvanced('forcecompleted', $cfg_scorm->forcecompleted_adv);
 208
 209         // Force new attempt
 210         $mform->addElement('selectyesno', 'forcenewattempt', get_string('forcenewattempt', 'scorm'));
 211         $mform->addHelpButton('forcenewattempt', 'forcenewattempt', 'scorm');
 212         $mform->setDefault('forcenewattempt', $cfg_scorm->forcenewattempt);
 213         $mform->setAdvanced('forcenewattempt', $cfg_scorm->forcenewattempt_adv);
 214
 215         // Last attempt lock - lock the enter button after the last available attempt has been made
 216         $mform->addElement('selectyesno', 'lastattemptlock', get_string('lastattemptlock', 'scorm'));
 217         $mform->addHelpButton('lastattemptlock', 'lastattemptlock', 'scorm');
 218         $mform->setDefault('lastattemptlock', $cfg_scorm->lastattemptlock);
 219         $mform->setAdvanced('lastattemptlock', $cfg_scorm->lastattemptlock_adv);
 220
 221         // Activation period
 222 /*        $mform->addElement('static', '', '' ,'<hr />');
 223         $mform->addElement('static', 'activation', get_string('activation','scorm'));
 224         $datestartgrp = array();
 225         $datestartgrp[] = &$mform->createElement('date_time_selector', 'startdate');
 226         $datestartgrp[] = &$mform->createElement('checkbox', 'startdisabled', null, get_string('disable'));
 227         $mform->addGroup($datestartgrp, 'startdategrp', get_string('from'), ' ', false);
 228         $mform->setDefault('startdate', 0);
 229         $mform->setDefault('startdisabled', 1);
 230         $mform->disabledIf('startdategrp', 'startdisabled', 'checked');
 231
 232         $dateendgrp = array();
 233         $dateendgrp[] = &$mform->createElement('date_time_selector', 'enddate');
 234         $dateendgrp[] = &$mform->createElement('checkbox', 'enddisabled', null, get_string('disable'));
 235         $mform->addGroup($dateendgrp, 'dateendgrp', get_string('to'), ' ', false);
 236         $mform->setDefault('enddate', 0);
 237         $mform->setDefault('enddisabled', 1);
 238         $mform->disabledIf('dateendgrp', 'enddisabled', 'checked');
 239 */
 240
 241         // Autocontinue
 242         $mform->addElement('selectyesno', 'auto', get_string('autocontinue', 'scorm'));
 243         $mform->addHelpButton('auto', 'autocontinue', 'scorm');
 244         $mform->setDefault('auto', $cfg_scorm->auto);
 245         $mform->setAdvanced('auto', $cfg_scorm->auto_adv);
 246
 247         if (count($scormtypes) > 1) {
 248             // Update packages timing
 249             $mform->addElement('select', 'updatefreq', get_string('updatefreq', 'scorm'), scorm_get_updatefreq_array());
 250             $mform->setDefault('updatefreq', $cfg_scorm->updatefreq);
 251             $mform->setAdvanced('updatefreq', $cfg_scorm->updatefreq_adv);
 252             $mform->addHelpButton('updatefreq', 'updatefreq', 'scorm');
 253             $mform->disabledIf('updatefreq', 'scormtype', 'eq', SCORM_TYPE_LOCAL);
 254         } else {
 255             $mform->addElement('hidden', 'updatefreq', 0);
 256         }
 257         //-------------------------------------------------------------------------------
 258         // Hidden Settings
 259         $mform->addElement('hidden', 'datadir', null);
 260         $mform->setType('datadir', PARAM_RAW);
 261         $mform->addElement('hidden', 'pkgtype', null);
 262         $mform->setType('pkgtype', PARAM_RAW);
 263         $mform->addElement('hidden', 'launch', null);
 264         $mform->setType('launch', PARAM_RAW);
 265         $mform->addElement('hidden', 'redirect', null);
 266         $mform->setType('redirect', PARAM_RAW);
 267         $mform->addElement('hidden', 'redirecturl', null);
 268         $mform->setType('redirecturl', PARAM_RAW);
 269
 270         //-------------------------------------------------------------------------------
 271         $this->standard_coursemodule_elements();
 272         //-------------------------------------------------------------------------------
 273         // buttons
 274         $this->add_action_buttons();
 275     }
 276
 277     function data_preprocessing(&$default_values) {
 278         global $COURSE;
 279
 280         if (isset($default_values['popup']) && ($default_values['popup'] == 1) && isset($default_values['options'])) {
 281             if (!empty($default_values['options'])) {
 282                 $options = explode(',', $default_values['options']);
 283                 foreach ($options as $option) {
 284                     list($element, $value) = explode('=', $option);
 285                     $element = trim($element);
 286                     $default_values[$element] = trim($value);
 287                 }
 288             }
 289         }
 290         if (isset($default_values['grademethod'])) {
 291             $default_values['grademethod'] = intval($default_values['grademethod']);
 292         }
 293         if (isset($default_values['width']) && (strpos($default_values['width'], '%') === false) && ($default_values['width'] <= 100)) {
 294             $default_values['width'] .= '%';
 295         }
 296         if (isset($default_values['width']) && (strpos($default_values['height'], '%') === false) && ($default_values['height'] <= 100)) {
 297             $default_values['height'] .= '%';
 298         }
 299         $scorms = get_all_instances_in_course('scorm', $COURSE);
 300         $coursescorm = current($scorms);
 301
 302         $draftitemid = file_get_submitted_draft_itemid('packagefile');
 303         file_prepare_draft_area($draftitemid, $this->context->id, 'mod_scorm', 'package', 0);
 304         $default_values['packagefile'] = $draftitemid;
 305
 306         if (($COURSE->format == 'scorm') && ((count($scorms) == 0) || ($default_values['instance'] == $coursescorm->id))) {
 307             $default_values['redirect'] = 'yes';
 308             $default_values['redirecturl'] = '../course/view.php?id='.$default_values['course'];
 309         } else {
 310             $default_values['redirect'] = 'no';
 311             $default_values['redirecturl'] = '../mod/scorm/view.php?id='.$default_values['coursemodule'];
 312         }
 313         if (isset($default_values['version'])) {
 314             $default_values['pkgtype'] = (substr($default_values['version'], 0, 5) == 'SCORM') ? 'scorm':'aicc';
 315         }
 316         if (isset($default_values['instance'])) {
 317             $default_values['datadir'] = $default_values['instance'];
 318         }
 319         if (empty($default_values['timeopen'])) {
 320             $default_values['timeopen'] = 0;
 321         }
 322         if (empty($default_values['timeclose'])) {
 323             $default_values['timeclose'] = 0;
 324         }
 325
 326         // Set some completion default data
 327         if (!empty($default_values['completionstatusrequired']) && !is_array($default_values['completionstatusrequired'])) {
 328             // Unpack values
 329             $cvalues = array();
 330             foreach (scorm_status_options() as $key => $value) {
 331                 if (($default_values['completionstatusrequired'] & $key) == $key) {
 332                     $cvalues[$key] = 1;
 333                 }
 334             }
 335
 336             $default_values['completionstatusrequired'] = $cvalues;
 337         }
 338
 339         if (!isset($default_values['completionscorerequired']) || !strlen($default_values['completionscorerequired'])) {
 340             $default_values['completionscoredisabled'] = 1;
 341         }
 342
 343     }
 344
 345     function validation($data, $files) {
 346         global $CFG;
 347         $errors = parent::validation($data, $files);
 348
 349         $type = $data['scormtype'];
 350
 351         if ($type === SCORM_TYPE_LOCAL) {
 352             if (!empty($data['update'])) {
 353                 //ok, not required
 354
 355             } else if (empty($data['packagefile'])) {
 356                 $errors['packagefile'] = get_string('required');
 357
 358             } else {
 359                 $files = $this->get_draft_files('packagefile');
 360                 if (count($files)<1) {
 361                     $errors['packagefile'] = get_string('required');
 362                     return $errors;
 363                 }
 364                 $file = reset($files);
 365                 $filename = $CFG->tempdir.'/scormimport/scrom_'.time();
 366                 make_temp_directory('scormimport');
 367                 $file->copy_content_to($filename);
 368
 369                 $packer = get_file_packer('application/zip');
 370
 371                 $filelist = $packer->list_files($filename);
 372                 if (!is_array($filelist)) {
 373                     $errors['packagefile'] = 'Incorrect file package - not an archive'; //TODO: localise
 374                 } else {
 375                     $manifestpresent = false;
 376                     $aiccfound       = false;
 377                     foreach ($filelist as $info) {
 378                         if ($info->pathname == 'imsmanifest.xml') {
 379                             $manifestpresent = true;
 380                             break;
 381                         }
 382                         if (preg_match('/\.cst$/', $info->pathname)) {
 383                             $aiccfound = true;
 384                             break;
 385                         }
 386                     }
 387                     if (!$manifestpresent and !$aiccfound) {
 388                         $errors['packagefile'] = 'Incorrect file package - missing imsmanifest.xml or AICC structure'; //TODO: localise
 389                     }
 390                 }
 391                 unlink($filename);
 392             }
 393
 394         } else if ($type === SCORM_TYPE_EXTERNAL) {
 395             $reference = $data['packageurl'];
 396             if (!preg_match('/(http:\/\/|https:\/\/|www).*\/imsmanifest.xml$/i', $reference)) {
 397                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 398             }
 399
 400         } else if ($type === 'packageurl') {
 401             $reference = $data['reference'];
 402             if (!preg_match('/(http:\/\/|https:\/\/|www).*(\.zip|\.pif)$/i', $reference)) {
 403                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 404             }
 405
 406         } else if ($type === SCORM_TYPE_IMSREPOSITORY) {
 407             $reference = $data['packageurl'];
 408             if (stripos($reference, '#') !== 0) {
 409                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 410             }
 411         } else if ($type === SCORM_TYPE_AICCURL) {
 412             $reference = $data['packageurl'];
 413             if (!preg_match('/(http:\/\/|https:\/\/|www).*/', $reference)) {
 414                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 415             }
 416         }
 417
 418         return $errors;
 419     }
 420
 421     //need to translate the "options" and "reference" field.
 422     function set_data($default_values) {
 423         $default_values = (array)$default_values;
 424
 425         if (isset($default_values['scormtype']) and isset($default_values['reference'])) {
 426             switch ($default_values['scormtype']) {
 427                 case SCORM_TYPE_LOCALSYNC :
 428                 case SCORM_TYPE_EXTERNAL:
 429                 case SCORM_TYPE_IMSREPOSITORY:
 430                 case SCORM_TYPE_AICCURL:
 431                     $default_values['packageurl'] = $default_values['reference'];
 432             }
 433         }
 434         unset($default_values['reference']);
 435
 436         if (!empty($default_values['options'])) {
 437             $options = explode(',', $default_values['options']);
 438             foreach ($options as $option) {
 439                 $opt = explode('=', $option);
 440                 if (isset($opt[1])) {
 441                     $default_values[$opt[0]] = $opt[1];
 442                 }
 443             }
 444         }
 445
 446         $this->data_preprocessing($default_values);
 447         parent::set_data($default_values);
 448     }
 449
 450     function add_completion_rules() {
 451         $mform =& $this->_form;
 452         $items = array();
 453
 454         // Require score
 455         $group = array();
 456         $group[] =& $mform->createElement('text', 'completionscorerequired', '', array('size' => 5));
 457         $group[] =& $mform->createElement('checkbox', 'completionscoredisabled', null, get_string('disable'));
 458         $mform->setType('completionscorerequired', PARAM_INT);
 459         $mform->addGroup($group, 'completionscoregroup', get_string('completionscorerequired', 'scorm'), '', false);
 460         $mform->addHelpButton('completionscoregroup', 'completionscorerequired', 'scorm');
 461         $mform->disabledIf('completionscorerequired', 'completionscoredisabled', 'checked');
 462         $mform->setDefault('completionscorerequired', 0);
 463
 464         $items[] = 'completionscoregroup';
 465
 466
 467         // Require status
 468         $first = true;
 469         $firstkey = null;
 470         foreach (scorm_status_options(true) as $key => $value) {
 471             $name = null;
 472             $key = 'completionstatusrequired['.$key.']';
 473             if ($first) {
 474                 $name = get_string('completionstatusrequired', 'scorm');
 475                 $first = false;
 476                 $firstkey = $key;
 477             }
 478             $mform->addElement('checkbox', $key, $name, $value);
 479             $mform->setType($key, PARAM_BOOL);
 480             $items[] = $key;
 481         }
 482         $mform->addHelpButton($firstkey, 'completionstatusrequired', 'scorm');
 483
 484         return $items;
 485     }
 486
 487     function completion_rule_enabled($data) {
 488         $status = !empty($data['completionstatusrequired']);
 489         $score = empty($data['completionscoredisabled']) && strlen($data['completionscorerequired']);
 490
 491         return $status || $score;
 492     }
 493
 494     function get_data($slashed = true) {
 495         $data = parent::get_data($slashed);
 496
 497         if (!$data) {
 498             return false;
 499         }
 500
 501         // Turn off completion settings if the checkboxes aren't ticked
 502         $autocompletion = !empty($data->completion) && $data->completion == COMPLETION_TRACKING_AUTOMATIC;
 503
 504         if (isset($data->completionstatusrequired) && is_array($data->completionstatusrequired)) {
 505             $total = 0;
 506             foreach (array_keys($data->completionstatusrequired) as $state) {
 507                 $total |= $state;
 508             }
 509
 510             $data->completionstatusrequired = $total;
 511         }
 512
 513         if (!$autocompletion) {
 514             $data->completionstatusrequired = null;
 515         }
 516
 517         if (!empty($data->completionscoredisabled) || !$autocompletion) {
 518             $data->completionscorerequired = null;
 519         }
 520
 521         return $data;
 522     }
 523 }