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         $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
  47
  48         // Summary
  49         $this->add_intro_editor(true);
  50
  51         // Scorm types
  52         $scormtypes = array(SCORM_TYPE_LOCAL => get_string('typelocal', 'scorm'));
  53
  54         if ($cfg_scorm->allowtypeexternal) {
  55             $scormtypes[SCORM_TYPE_EXTERNAL] = get_string('typeexternal', 'scorm');
  56         }
  57
  58         if ($cfg_scorm->allowtypelocalsync) {
  59             $scormtypes[SCORM_TYPE_LOCALSYNC] = get_string('typelocalsync', 'scorm');
  60         }
  61
  62         if (!empty($CFG->repositoryactivate) and $cfg_scorm->allowtypeimsrepository) {
  63             $scormtypes[SCORM_TYPE_IMSREPOSITORY] = get_string('typeimsrepository', 'scorm');
  64         }
  65
  66         if ($cfg_scorm->allowtypeexternalaicc) {
  67             $scormtypes[SCORM_TYPE_AICCURL] = get_string('typeaiccurl', 'scorm');
  68         }
  69
  70         // Reference
  71         if (count($scormtypes) > 1) {
  72             $mform->addElement('select', 'scormtype', get_string('scormtype', 'scorm'), $scormtypes);
  73             $mform->addHelpButton('scormtype', 'scormtype', 'scorm');
  74             $mform->addElement('text', 'packageurl', get_string('packageurl', 'scorm'), array('size'=>60));
  75             $mform->setType('packageurl', PARAM_RAW);
  76             $mform->addHelpButton('packageurl', 'packageurl', 'scorm');
  77             $mform->disabledIf('packageurl', 'scormtype', 'eq', SCORM_TYPE_LOCAL);
  78         } else {
  79             $mform->addElement('hidden', 'scormtype', SCORM_TYPE_LOCAL);
  80         }
  81
  82         // New local package upload
  83         $maxbytes = get_max_upload_file_size($CFG->maxbytes, $COURSE->maxbytes);
  84         $mform->setMaxFileSize($maxbytes);
  85         $mform->addElement('filepicker', 'packagefile', get_string('package', 'scorm'));
  86         $mform->addHelpButton('packagefile', 'package', 'scorm');
  87         $mform->disabledIf('packagefile', 'scormtype', 'noteq', SCORM_TYPE_LOCAL);
  88
  89         //-------------------------------------------------------------------------------
  90         // Time restrictions
  91         $mform->addElement('header', 'timerestricthdr', get_string('timerestrict', 'scorm'));
  92
  93         $mform->addElement('date_time_selector', 'timeopen', get_string("scormopen", "scorm"), array('optional' => true));
  94         $mform->addElement('date_time_selector', 'timeclose', get_string("scormclose", "scorm"), array('optional' => true));
  95         //-------------------------------------------------------------------------------
  96         // display Settings
  97         $mform->addElement('header', 'displaysettings', get_string('displaysettings', 'scorm'));
  98         // Framed / Popup Window
  99         $mform->addElement('select', 'popup', get_string('display', 'scorm'), scorm_get_popup_display_array());
 100         $mform->setDefault('popup', $cfg_scorm->popup);
 101         $mform->setAdvanced('popup', $cfg_scorm->popup_adv);
 102
 103         // Width
 104         $mform->addElement('text', 'width', get_string('width', 'scorm'), 'maxlength="5" size="5"');
 105         $mform->setDefault('width', $cfg_scorm->framewidth);
 106         $mform->setType('width', PARAM_INT);
 107         $mform->setAdvanced('width', $cfg_scorm->framewidth_adv);
 108         $mform->disabledIf('width', 'popup', 'eq', 0);
 109
 110         // Height
 111         $mform->addElement('text', 'height', get_string('height', 'scorm'), 'maxlength="5" size="5"');
 112         $mform->setDefault('height', $cfg_scorm->frameheight);
 113         $mform->setType('height', PARAM_INT);
 114         $mform->setAdvanced('height', $cfg_scorm->frameheight_adv);
 115         $mform->disabledIf('height', 'popup', 'eq', 0);
 116
 117         // Window Options
 118         $winoptgrp = array();
 119         foreach (scorm_get_popup_options_array() as $key => $value) {
 120             $winoptgrp[] = &$mform->createElement('checkbox', $key, '', get_string($key, 'scorm'));
 121             $mform->setDefault($key, $value);
 122         }
 123         $mform->addGroup($winoptgrp, 'winoptgrp', get_string('options', 'scorm'), '<br />', false);
 124         $mform->disabledIf('winoptgrp', 'popup', 'eq', 0);
 125         $mform->setAdvanced('winoptgrp', $cfg_scorm->winoptgrp_adv);
 126
 127         // Skip view page
 128         $skipviewoptions = scorm_get_skip_view_array();
 129         if ($COURSE->format == 'scorm') { // Remove option that would cause a constant redirect.
 130             unset($skipviewoptions[SCORM_SKIPVIEW_ALWAYS]);
 131             if ($cfg_scorm->skipview == SCORM_SKIPVIEW_ALWAYS) {
 132                 $cfg_scorm->skipview = SCORM_SKIPVIEW_FIRST;
 133             }
 134         }
 135         $mform->addElement('select', 'skipview', get_string('skipview', 'scorm'), $skipviewoptions);
 136         $mform->addHelpButton('skipview', 'skipview', 'scorm');
 137         $mform->setDefault('skipview', $cfg_scorm->skipview);
 138         $mform->setAdvanced('skipview', $cfg_scorm->skipview_adv);
 139
 140         // Hide Browse
 141         $mform->addElement('selectyesno', 'hidebrowse', get_string('hidebrowse', 'scorm'));
 142         $mform->addHelpButton('hidebrowse', 'hidebrowse', 'scorm');
 143         $mform->setDefault('hidebrowse', $cfg_scorm->hidebrowse);
 144         $mform->setAdvanced('hidebrowse', $cfg_scorm->hidebrowse_adv);
 145
 146         // Display course structure
 147         $mform->addElement('selectyesno', 'displaycoursestructure', get_string('displaycoursestructure', 'scorm'));
 148         $mform->addHelpButton('displaycoursestructure', 'displaycoursestructure', 'scorm');
 149         $mform->setDefault('displaycoursestructure', $cfg_scorm->displaycoursestructure);
 150         $mform->setAdvanced('displaycoursestructure', $cfg_scorm->displaycoursestructure_adv);
 151
 152         // Toc display
 153         $mform->addElement('select', 'hidetoc', get_string('hidetoc', 'scorm'), scorm_get_hidetoc_array());
 154         $mform->addHelpButton('hidetoc', 'hidetoc', 'scorm');
 155         $mform->setDefault('hidetoc', $cfg_scorm->hidetoc);
 156         $mform->setAdvanced('hidetoc', $cfg_scorm->hidetoc_adv);
 157
 158         // Hide Navigation panel
 159         $mform->addElement('selectyesno', 'hidenav', get_string('hidenav', 'scorm'));
 160         $mform->setDefault('hidenav', $cfg_scorm->hidenav);
 161         $mform->setAdvanced('hidenav', $cfg_scorm->hidenav_adv);
 162         $mform->disabledIf('hidenav', 'hidetoc', 'noteq', 0);
 163
 164         //-------------------------------------------------------------------------------
 165         // grade Settings
 166         $mform->addElement('header', 'gradesettings', get_string('gradesettings', 'scorm'));
 167
 168         // Grade Method
 169         $mform->addElement('select', 'grademethod', get_string('grademethod', 'scorm'), scorm_get_grade_method_array());
 170         $mform->addHelpButton('grademethod', 'grademethod', 'scorm');
 171         $mform->setDefault('grademethod', $cfg_scorm->grademethod);
 172         $mform->setAdvanced('grademethod', $cfg_scorm->grademethod_adv);
 173
 174         // Maximum Grade
 175         for ($i=0; $i<=100; $i++) {
 176             $grades[$i] = "$i";
 177         }
 178         $mform->addElement('select', 'maxgrade', get_string('maximumgrade'), $grades);
 179         $mform->setDefault('maxgrade', $cfg_scorm->maxgrade);
 180         $mform->disabledIf('maxgrade', 'grademethod', 'eq', GRADESCOES);
 181         $mform->setAdvanced('maxgrade', $cfg_scorm->maxgrade_adv);
 182
 183         $mform->addElement('header', 'othersettings', get_string('othersettings', 'scorm'));
 184
 185         // Max Attempts
 186         $mform->addElement('select', 'maxattempt', get_string('maximumattempts', 'scorm'), scorm_get_attempts_array());
 187         $mform->addHelpButton('maxattempt', 'maximumattempts', 'scorm');
 188         $mform->setDefault('maxattempt', $cfg_scorm->maxattempt);
 189         $mform->setAdvanced('maxattempt', $cfg_scorm->maxattempt_adv);
 190
 191         // What Grade
 192         $mform->addElement('select', 'whatgrade', get_string('whatgrade', 'scorm'),  scorm_get_what_grade_array());
 193         $mform->disabledIf('whatgrade', 'maxattempt', 'eq', 1);
 194         $mform->addHelpButton('whatgrade', 'whatgrade', 'scorm');
 195         $mform->setDefault('whatgrade', $cfg_scorm->whatgrade);
 196         $mform->setAdvanced('whatgrade', $cfg_scorm->whatgrade_adv);
 197
 198         // Display attempt status
 199         $mform->addElement('select', 'displayattemptstatus', get_string('displayattemptstatus', 'scorm'), scorm_get_attemptstatus_array());
 200         $mform->addHelpButton('displayattemptstatus', 'displayattemptstatus', 'scorm');
 201         $mform->setDefault('displayattemptstatus', $cfg_scorm->displayattemptstatus);
 202         $mform->setAdvanced('displayattemptstatus', $cfg_scorm->displayattemptstatus_adv);
 203
 204         // Force completed
 205         $mform->addElement('selectyesno', 'forcecompleted', get_string('forcecompleted', 'scorm'));
 206         $mform->addHelpButton('forcecompleted', 'forcecompleted', 'scorm');
 207         $mform->setDefault('forcecompleted', $cfg_scorm->forcecompleted);
 208         $mform->setAdvanced('forcecompleted', $cfg_scorm->forcecompleted_adv);
 209
 210         // Force new attempt
 211         $mform->addElement('selectyesno', 'forcenewattempt', get_string('forcenewattempt', 'scorm'));
 212         $mform->addHelpButton('forcenewattempt', 'forcenewattempt', 'scorm');
 213         $mform->setDefault('forcenewattempt', $cfg_scorm->forcenewattempt);
 214         $mform->setAdvanced('forcenewattempt', $cfg_scorm->forcenewattempt_adv);
 215
 216         // Last attempt lock - lock the enter button after the last available attempt has been made
 217         $mform->addElement('selectyesno', 'lastattemptlock', get_string('lastattemptlock', 'scorm'));
 218         $mform->addHelpButton('lastattemptlock', 'lastattemptlock', 'scorm');
 219         $mform->setDefault('lastattemptlock', $cfg_scorm->lastattemptlock);
 220         $mform->setAdvanced('lastattemptlock', $cfg_scorm->lastattemptlock_adv);
 221
 222         // Activation period
 223 /*        $mform->addElement('static', '', '' ,'<hr />');
 224         $mform->addElement('static', 'activation', get_string('activation','scorm'));
 225         $datestartgrp = array();
 226         $datestartgrp[] = &$mform->createElement('date_time_selector', 'startdate');
 227         $datestartgrp[] = &$mform->createElement('checkbox', 'startdisabled', null, get_string('disable'));
 228         $mform->addGroup($datestartgrp, 'startdategrp', get_string('from'), ' ', false);
 229         $mform->setDefault('startdate', 0);
 230         $mform->setDefault('startdisabled', 1);
 231         $mform->disabledIf('startdategrp', 'startdisabled', 'checked');
 232
 233         $dateendgrp = array();
 234         $dateendgrp[] = &$mform->createElement('date_time_selector', 'enddate');
 235         $dateendgrp[] = &$mform->createElement('checkbox', 'enddisabled', null, get_string('disable'));
 236         $mform->addGroup($dateendgrp, 'dateendgrp', get_string('to'), ' ', false);
 237         $mform->setDefault('enddate', 0);
 238         $mform->setDefault('enddisabled', 1);
 239         $mform->disabledIf('dateendgrp', 'enddisabled', 'checked');
 240 */
 241
 242         // Autocontinue
 243         $mform->addElement('selectyesno', 'auto', get_string('autocontinue', 'scorm'));
 244         $mform->addHelpButton('auto', 'autocontinue', 'scorm');
 245         $mform->setDefault('auto', $cfg_scorm->auto);
 246         $mform->setAdvanced('auto', $cfg_scorm->auto_adv);
 247
 248         if (count($scormtypes) > 1) {
 249             // Update packages timing
 250             $mform->addElement('select', 'updatefreq', get_string('updatefreq', 'scorm'), scorm_get_updatefreq_array());
 251             $mform->setDefault('updatefreq', $cfg_scorm->updatefreq);
 252             $mform->setAdvanced('updatefreq', $cfg_scorm->updatefreq_adv);
 253             $mform->addHelpButton('updatefreq', 'updatefreq', 'scorm');
 254             $mform->disabledIf('updatefreq', 'scormtype', 'eq', SCORM_TYPE_LOCAL);
 255         } else {
 256             $mform->addElement('hidden', 'updatefreq', 0);
 257         }
 258         //-------------------------------------------------------------------------------
 259         // Hidden Settings
 260         $mform->addElement('hidden', 'datadir', null);
 261         $mform->setType('datadir', PARAM_RAW);
 262         $mform->addElement('hidden', 'pkgtype', null);
 263         $mform->setType('pkgtype', PARAM_RAW);
 264         $mform->addElement('hidden', 'launch', null);
 265         $mform->setType('launch', PARAM_RAW);
 266         $mform->addElement('hidden', 'redirect', null);
 267         $mform->setType('redirect', PARAM_RAW);
 268         $mform->addElement('hidden', 'redirecturl', null);
 269         $mform->setType('redirecturl', PARAM_RAW);
 270
 271         //-------------------------------------------------------------------------------
 272         $this->standard_coursemodule_elements();
 273         //-------------------------------------------------------------------------------
 274         // buttons
 275         $this->add_action_buttons();
 276     }
 277
 278     function data_preprocessing(&$default_values) {
 279         global $COURSE;
 280
 281         if (isset($default_values['popup']) && ($default_values['popup'] == 1) && isset($default_values['options'])) {
 282             if (!empty($default_values['options'])) {
 283                 $options = explode(',', $default_values['options']);
 284                 foreach ($options as $option) {
 285                     list($element, $value) = explode('=', $option);
 286                     $element = trim($element);
 287                     $default_values[$element] = trim($value);
 288                 }
 289             }
 290         }
 291         if (isset($default_values['grademethod'])) {
 292             $default_values['grademethod'] = intval($default_values['grademethod']);
 293         }
 294         if (isset($default_values['width']) && (strpos($default_values['width'], '%') === false) && ($default_values['width'] <= 100)) {
 295             $default_values['width'] .= '%';
 296         }
 297         if (isset($default_values['width']) && (strpos($default_values['height'], '%') === false) && ($default_values['height'] <= 100)) {
 298             $default_values['height'] .= '%';
 299         }
 300         $scorms = get_all_instances_in_course('scorm', $COURSE);
 301         $coursescorm = current($scorms);
 302
 303         $draftitemid = file_get_submitted_draft_itemid('packagefile');
 304         file_prepare_draft_area($draftitemid, $this->context->id, 'mod_scorm', 'package', 0);
 305         $default_values['packagefile'] = $draftitemid;
 306
 307         if (($COURSE->format == 'scorm') && ((count($scorms) == 0) || ($default_values['instance'] == $coursescorm->id))) {
 308             $default_values['redirect'] = 'yes';
 309             $default_values['redirecturl'] = '../course/view.php?id='.$default_values['course'];
 310         } else {
 311             $default_values['redirect'] = 'no';
 312             $default_values['redirecturl'] = '../mod/scorm/view.php?id='.$default_values['coursemodule'];
 313         }
 314         if (isset($default_values['version'])) {
 315             $default_values['pkgtype'] = (substr($default_values['version'], 0, 5) == 'SCORM') ? 'scorm':'aicc';
 316         }
 317         if (isset($default_values['instance'])) {
 318             $default_values['datadir'] = $default_values['instance'];
 319         }
 320         if (empty($default_values['timeopen'])) {
 321             $default_values['timeopen'] = 0;
 322         }
 323         if (empty($default_values['timeclose'])) {
 324             $default_values['timeclose'] = 0;
 325         }
 326
 327         // Set some completion default data
 328         if (!empty($default_values['completionstatusrequired']) && !is_array($default_values['completionstatusrequired'])) {
 329             // Unpack values
 330             $cvalues = array();
 331             foreach (scorm_status_options() as $key => $value) {
 332                 if (($default_values['completionstatusrequired'] & $key) == $key) {
 333                     $cvalues[$key] = 1;
 334                 }
 335             }
 336
 337             $default_values['completionstatusrequired'] = $cvalues;
 338         }
 339
 340         if (!isset($default_values['completionscorerequired']) || !strlen($default_values['completionscorerequired'])) {
 341             $default_values['completionscoredisabled'] = 1;
 342         }
 343
 344     }
 345
 346     function validation($data, $files) {
 347         global $CFG;
 348         $errors = parent::validation($data, $files);
 349
 350         $type = $data['scormtype'];
 351
 352         if ($type === SCORM_TYPE_LOCAL) {
 353             if (!empty($data['update'])) {
 354                 //ok, not required
 355
 356             } else if (empty($data['packagefile'])) {
 357                 $errors['packagefile'] = get_string('required');
 358
 359             } else {
 360                 $files = $this->get_draft_files('packagefile');
 361                 if (count($files)<1) {
 362                     $errors['packagefile'] = get_string('required');
 363                     return $errors;
 364                 }
 365                 $file = reset($files);
 366                 $filename = $CFG->tempdir.'/scormimport/scrom_'.time();
 367                 make_temp_directory('scormimport');
 368                 $file->copy_content_to($filename);
 369
 370                 $packer = get_file_packer('application/zip');
 371
 372                 $filelist = $packer->list_files($filename);
 373                 if (!is_array($filelist)) {
 374                     $errors['packagefile'] = 'Incorrect file package - not an archive'; //TODO: localise
 375                 } else {
 376                     $manifestpresent = false;
 377                     $aiccfound       = false;
 378                     foreach ($filelist as $info) {
 379                         if ($info->pathname == 'imsmanifest.xml') {
 380                             $manifestpresent = true;
 381                             break;
 382                         }
 383                         if (preg_match('/\.cst$/', $info->pathname)) {
 384                             $aiccfound = true;
 385                             break;
 386                         }
 387                     }
 388                     if (!$manifestpresent and !$aiccfound) {
 389                         $errors['packagefile'] = 'Incorrect file package - missing imsmanifest.xml or AICC structure'; //TODO: localise
 390                     }
 391                 }
 392                 unlink($filename);
 393             }
 394
 395         } else if ($type === SCORM_TYPE_EXTERNAL) {
 396             $reference = $data['packageurl'];
 397             // Syntax check.
 398             if (!preg_match('/(http:\/\/|https:\/\/|www).*\/imsmanifest.xml$/i', $reference)) {
 399                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 400             } else {
 401                 // Availability check.
 402                 $result = scorm_check_url($reference);
 403                 if (is_string($result)) {
 404                     $errors['packageurl'] = $result;
 405                 }
 406             }
 407
 408         } else if ($type === 'packageurl') {
 409             $reference = $data['reference'];
 410             // Syntax check.
 411             if (!preg_match('/(http:\/\/|https:\/\/|www).*(\.zip|\.pif)$/i', $reference)) {
 412                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 413             } else {
 414                 // Availability check.
 415                 $result = scorm_check_url($reference);
 416                 if (is_string($result)) {
 417                     $errors['packageurl'] = $result;
 418                 }
 419             }
 420
 421         } else if ($type === SCORM_TYPE_IMSREPOSITORY) {
 422             $reference = $data['packageurl'];
 423             if (stripos($reference, '#') !== 0) {
 424                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 425             }
 426
 427         } else if ($type === SCORM_TYPE_AICCURL) {
 428             $reference = $data['packageurl'];
 429             // Syntax check.
 430             if (!preg_match('/(http:\/\/|https:\/\/|www).*/', $reference)) {
 431                 $errors['packageurl'] = get_string('invalidurl', 'scorm');
 432             } else {
 433                 // Availability check.
 434                 $result = scorm_check_url($reference);
 435                 if (is_string($result)) {
 436                     $errors['packageurl'] = $result;
 437                 }
 438             }
 439
 440         }
 441
 442         return $errors;
 443     }
 444
 445     //need to translate the "options" and "reference" field.
 446     function set_data($default_values) {
 447         $default_values = (array)$default_values;
 448
 449         if (isset($default_values['scormtype']) and isset($default_values['reference'])) {
 450             switch ($default_values['scormtype']) {
 451                 case SCORM_TYPE_LOCALSYNC :
 452                 case SCORM_TYPE_EXTERNAL:
 453                 case SCORM_TYPE_IMSREPOSITORY:
 454                 case SCORM_TYPE_AICCURL:
 455                     $default_values['packageurl'] = $default_values['reference'];
 456             }
 457         }
 458         unset($default_values['reference']);
 459
 460         if (!empty($default_values['options'])) {
 461             $options = explode(',', $default_values['options']);
 462             foreach ($options as $option) {
 463                 $opt = explode('=', $option);
 464                 if (isset($opt[1])) {
 465                     $default_values[$opt[0]] = $opt[1];
 466                 }
 467             }
 468         }
 469
 470         $this->data_preprocessing($default_values);
 471         parent::set_data($default_values);
 472     }
 473
 474     function add_completion_rules() {
 475         $mform =& $this->_form;
 476         $items = array();
 477
 478         // Require score
 479         $group = array();
 480         $group[] =& $mform->createElement('text', 'completionscorerequired', '', array('size' => 5));
 481         $group[] =& $mform->createElement('checkbox', 'completionscoredisabled', null, get_string('disable'));
 482         $mform->setType('completionscorerequired', PARAM_INT);
 483         $mform->addGroup($group, 'completionscoregroup', get_string('completionscorerequired', 'scorm'), '', false);
 484         $mform->addHelpButton('completionscoregroup', 'completionscorerequired', 'scorm');
 485         $mform->disabledIf('completionscorerequired', 'completionscoredisabled', 'checked');
 486         $mform->setDefault('completionscorerequired', 0);
 487
 488         $items[] = 'completionscoregroup';
 489
 490
 491         // Require status
 492         $first = true;
 493         $firstkey = null;
 494         foreach (scorm_status_options(true) as $key => $value) {
 495             $name = null;
 496             $key = 'completionstatusrequired['.$key.']';
 497             if ($first) {
 498                 $name = get_string('completionstatusrequired', 'scorm');
 499                 $first = false;
 500                 $firstkey = $key;
 501             }
 502             $mform->addElement('checkbox', $key, $name, $value);
 503             $mform->setType($key, PARAM_BOOL);
 504             $items[] = $key;
 505         }
 506         $mform->addHelpButton($firstkey, 'completionstatusrequired', 'scorm');
 507
 508         return $items;
 509     }
 510
 511     function completion_rule_enabled($data) {
 512         $status = !empty($data['completionstatusrequired']);
 513         $score = empty($data['completionscoredisabled']) && strlen($data['completionscorerequired']);
 514
 515         return $status || $score;
 516     }
 517
 518     function get_data($slashed = true) {
 519         $data = parent::get_data($slashed);
 520
 521         if (!$data) {
 522             return false;
 523         }
 524
 525         if (!empty($data->completionunlocked)) {
 526             // Turn off completion settings if the checkboxes aren't ticked
 527             $autocompletion = isset($data->completion) && $data->completion == COMPLETION_TRACKING_AUTOMATIC;
 528
 529             if (isset($data->completionstatusrequired) &&
 530                     is_array($data->completionstatusrequired) && $autocompletion) {
 531                 $total = 0;
 532                 foreach (array_keys($data->completionstatusrequired) as $state) {
 533                     $total |= $state;
 534                 }
 535
 536                 $data->completionstatusrequired = $total;
 537             } else {
 538                 $data->completionstatusrequired = null;
 539             }
 540
 541             if (!empty($data->completionscoredisabled) || !$autocompletion) {
 542                 $data->completionscorerequired = null;
 543             }
 544         }
 545
 546         return $data;
 547     }
 548 }