PHP scorm_get_sco函数代码示例

function scorm_view_display($user, $scorm, $action, $cm, $boxwidth = '')
{
    global $CFG, $DB, $PAGE, $OUTPUT;
    if ($scorm->updatefreq == UPDATE_EVERYTIME) {
        scorm_parse($scorm, false);
    }
    $organization = optional_param('organization', '', PARAM_INT);
    if ($scorm->displaycoursestructure == 1) {
        echo $OUTPUT->box_start('generalbox boxaligncenter');
        ?>
        <div class="structurehead"><?php 
        print_string('contents', 'scorm');
        ?>
</div>
<?php 
    }
    if (empty($organization)) {
        $organization = $scorm->launch;
    }
    if ($orgs = $DB->get_records_menu('scorm_scoes', array('scorm' => $scorm->id, 'organization' => '', 'launch' => ''), 'id', 'id,title')) {
        if (count($orgs) > 1) {
            ?>
            <div class='scorm-center'>
                <?php 
            print_string('organizations', 'scorm');
            ?>
                <form id='changeorg' method='post' action='<?php 
            echo $action;
            ?>
'>
                    <?php 
            $select = new html_select();
            $select->options = $orgs;
            $select->name = 'organization';
            $select->selectedvalue = $organization;
            $select->add_action('change', 'submit_form_by_id', array('id' => 'changeorg'));
            echo $OUTPUT->select($select);
            ?>
                </form>
            </div>
<?php 
        }
    }
    $orgidentifier = '';
    if ($sco = scorm_get_sco($organization, SCO_ONLY)) {
        if ($sco->organization == '' && $sco->launch == '') {
            $orgidentifier = $sco->identifier;
        } else {
            $orgidentifier = $sco->organization;
        }
    }
    /*
     $orgidentifier = '';
        if ($org = $DB->get_record('scorm_scoes', array('id'=>$organization))) {
            if (($org->organization == '') && ($org->launch == '')) {
                $orgidentifier = $org->identifier;
            } else {
                $orgidentifier = $org->organization;
            }
        }*/
    $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));
    // Just to be safe
    if (!file_exists($CFG->dirroot . '/mod/scorm/datamodels/' . $scorm->version . 'lib.php')) {
        $scorm->version = 'scorm_12';
    }
    require_once $CFG->dirroot . '/mod/scorm/datamodels/' . $scorm->version . 'lib.php';
    $result = scorm_get_toc($user, $scorm, 'structlist', $orgidentifier);
    $incomplete = $result->incomplete;
    // do we want the TOC to be displayed?
    if ($scorm->displaycoursestructure == 1) {
        echo $result->toc;
        echo $OUTPUT->box_end();
    }
    // is this the first attempt ?
    $attemptcount = scorm_get_attempt_count($user, $scorm);
    // do not give the player launch FORM if the SCORM object is locked after the final attempt
    if ($scorm->lastattemptlock == 0 || $result->attemptleft > 0) {
        ?>
            <div class="scorm-center">
               <form id="theform" method="post" action="<?php 
        echo $CFG->wwwroot;
        ?>
/mod/scorm/player.php">
              <?php 
        if ($scorm->hidebrowse == 0) {
            print_string('mode', 'scorm');
            echo ': <input type="radio" id="b" name="mode" value="browse" /><label for="b">' . get_string('browse', 'scorm') . '</label>' . "\n";
            echo '<input type="radio" id="n" name="mode" value="normal" checked="checked" /><label for="n">' . get_string('normal', 'scorm') . "</label>\n";
        } else {
            echo '<input type="hidden" name="mode" value="normal" />' . "\n";
        }
        if ($scorm->forcenewattempt == 1) {
            if ($incomplete === false) {
                echo '<input type="hidden" name="newattempt" value="on" />' . "\n";
            }
        } elseif ($attemptcount != 0 && $incomplete === false && ($result->attemptleft > 0 || $scorm->maxattempt == 0)) {
            ?>
                      <br />
                      <input type="checkbox" id="a" name="newattempt" />
                      <label for="a"><?php 
//.........这里部分代码省略.........

/**
 * Check if the current sco is launchable
 * If not, find the next launchable sco
 *
 * @param stdClass $scorm Scorm object
 * @param integer $scoid id of scorm_scoes record.
 * @return integer scoid of correct sco to launch or empty if one cannot be found, which will trigger first sco.
 */
function scorm_check_launchable_sco($scorm, $scoid) {
    global $DB;
    if ($sco = scorm_get_sco($scoid, SCO_ONLY)) {
        if ($sco->launch == '') {
            // This scoid might be a top level org that can't be launched, find the first launchable sco after this sco.
            $scoes = $DB->get_records_select('scorm_scoes',
                                             'scorm = ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true).
                                             ' AND id > ?', array($scorm->id, $sco->id), 'sortorder, id', 'id', 0, 1);
            if (!empty($scoes)) {
                $sco = reset($scoes); // Get first item from the list.
                return $sco->id;
            }
        } else {
            return $sco->id;
        }
    }
    // Returning 0 will cause default behaviour which will find the first launchable sco in the package.
    return 0;
}

function scorm_get_parent($sco)
{
    global $DB;
    if ($sco->parent != '/') {
        if ($parent = $DB->get_record('scorm_scoes', array('scorm' => $sco->scorm, 'identifier' => $sco->parent))) {
            return scorm_get_sco($parent->id);
        }
    }
    return null;
}

function JLMS_LoadSCOSCORM($option)
{
    global $JLMS_DB, $my, $Itemid;
    $JLMS_CONFIG =& JLMSFactory::getConfig();
    $id = intval(mosGetParam($_REQUEST, 'id', 0));
    $delayseconds = 20;
    // Delay time before sco launch, used to give time to browser to define API
    $delayseconds_nojs = 2;
    // if API were defined earlier than timer is passed - SCO will be launched
    if ($id) {
        $query = "SELECT * FROM #__lms_n_scorm WHERE id = {$id}";
        $JLMS_DB->SetQuery($query);
        $scorm = $JLMS_DB->LoadObject();
        if (is_object($scorm)) {
            $scoid = intval(mosGetParam($_REQUEST, 'scoid', 0));
            if (!empty($scoid)) {
                //
                // Direct SCO request
                //
                if ($sco = scorm_get_sco($scoid)) {
                    // (DEN) check if this $scoid from our SCORM !!!!
                    if ($sco->launch == '') {
                        // Search for the next launchable sco
                        $query = "SELECT * FROM #__lms_n_scorm_scoes WHERE scorm = {$scorm->id} AND launch <> '' AND id > {$sco->id} ORDER BY id ASC";
                        $JLMS_DB->SetQuery($query);
                        $scoes = $JLMS_DB->LoadObjectList();
                        //if ($scoes = get_records_select('scorm_scoes','scorm='.$scorm->id." AND launch<>'' AND id>".$sco->id,'id ASC')) {
                        if (!empty($scoes)) {
                            $sco = current($scoes);
                        }
                    }
                }
            }
            //
            // If no sco was found get the first of SCORM package
            //
            if (!isset($sco)) {
                $query = "SELECT * FROM #__lms_n_scorm_scoes WHERE scorm = {$scorm->id} AND launch <> '' ORDER BY id ASC";
                $JLMS_DB->SetQuery($query);
                $scoes = $JLMS_DB->LoadObjectList();
                //$scoes = get_records_select('scorm_scoes','scorm='.$scorm->id." AND launch<>''",'id ASC');
                $sco = current($scoes);
            }
            if (!empty($sco)) {
                if ($sco->scormtype == 'asset') {
                    $attempt = scorm_get_last_attempt($scorm->id, $my->id);
                    $element = $scorm->version == 'scorm_13' ? 'cmi.completion_status' : 'cmi.core.lesson_status';
                    $value = 'completed';
                    $result = scorm_insert_track($my->id, $scorm->id, $sco->id, $attempt, $element, $value);
                }
            }
            //
            // Forge SCO URL
            //
            $connector = '';
            $version = substr($scorm->version, 0, 4);
            if (isset($sco->parameters) && !empty($sco->parameters) || $version == 'AICC') {
                /**
                 * 06.10.2007 (DEN) "''." - is added for compatibility with Joomla compatibility :)) library compat.php50x.php (on line 105 in PHP 4.4.7 there was a notice)
                 */
                if (stripos('' . $sco->launch, '?') !== false) {
                    $connector = '&';
                } else {
                    $connector = '?';
                }
                if (isset($sco->parameters) && !empty($sco->parameters) && $sco->parameters[0] == '?') {
                    $sco->parameters = substr($sco->parameters, 1);
                }
            }
            if ($version == 'AICC') {
                if (isset($sco->parameters) && !empty($sco->parameters)) {
                    $sco->parameters = '&' . $sco->parameters;
                }
                //$launcher = $sco->launch.$connector.'aicc_sid='.$my->id.'&aicc_url='.$CFG->wwwroot.'/mod/scorm/aicc.php'.$sco->parameters;
                $launcher = $sco->launch . $connector . 'aicc_sid=' . $my->id . '&aicc_url=' . $JLMS_CONFIG->get('live_site') . "/index.php?option={$option}&Itemid={$Itemid}&task=aicc_task&course_id={$course_id}" . $sco->parameters;
                // (DEN) check this URL /\ !!!!!!!!!
            } else {
                if (isset($sco->parameters) && !empty($sco->parameters)) {
                    $launcher = $sco->launch . $connector . $sco->parameters;
                } else {
                    $launcher = $sco->launch;
                }
            }
            $query = "SELECT * FROM #__lms_scorm_packages WHERE id = {$scorm->scorm_package}";
            $JLMS_DB->SetQuery($query);
            $scorm_ref = $JLMS_DB->LoadObject();
            //$reference = $CFG->dataroot.'/'.$courseid.'/'.$reference;
            //$row->reference = _JOOMLMS_SCORM_FOLDER_PATH . "/" . $scorm_ref->package_srv_name;
            $reference_folder = $JLMS_CONFIG->get('live_site') . "/" . _JOOMLMS_SCORM_PLAYER . "/" . $scorm_ref->folder_srv_name;
            //$reference_folder = _JOOMLMS_SCORM_FOLDER_PATH . "/" . $scorm_ref->folder_srv_name;
            // (DEN) we don't use external links nor repositry (but maybe...maybe...)
            /*if (scorm_external_link($sco->launch)) {
            			// Remote learning activity
            			$result = $launcher;
            		} else if ($scorm->reference[0] == '#') {
            			// Repository
            			require_once($repositoryconfigfile);
            			$result = $CFG->repositorywebroot.substr($scorm->reference,1).'/'.$sco->launch;
            		} else {*/
            if (true) {
//.........这里部分代码省略.........

/**
 * Return a SCO object and the SCO launch URL
 *
 * @param  stdClass $scorm SCORM object
 * @param  int $scoid The SCO id in database
 * @param  stdClass $context context object
 * @return array the SCO object and URL
 * @since  Moodle 3.1
 */
function scorm_get_sco_and_launch_url($scorm, $scoid, $context) {
    global $CFG, $DB;

    if (!empty($scoid)) {
        // Direct SCO request.
        if ($sco = scorm_get_sco($scoid)) {
            if ($sco->launch == '') {
                // Search for the next launchable sco.
                if ($scoes = $DB->get_records_select(
                        'scorm_scoes',
                        'scorm = ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true).' AND id > ?',
                        array($scorm->id, $sco->id),
                        'sortorder, id')) {
                    $sco = current($scoes);
                }
            }
        }
    }

    // If no sco was found get the first of SCORM package.
    if (!isset($sco)) {
        $scoes = $DB->get_records_select(
            'scorm_scoes',
            'scorm = ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true),
            array($scorm->id),
            'sortorder, id'
        );
        $sco = current($scoes);
    }

    $connector = '';
    $version = substr($scorm->version, 0, 4);
    if ((isset($sco->parameters) && (!empty($sco->parameters))) || ($version == 'AICC')) {
        if (stripos($sco->launch, '?') !== false) {
            $connector = '&';
        } else {
            $connector = '?';
        }
        if ((isset($sco->parameters) && (!empty($sco->parameters))) && ($sco->parameters[0] == '?')) {
            $sco->parameters = substr($sco->parameters, 1);
        }
    }

    if ($version == 'AICC') {
        require_once("$CFG->dirroot/mod/scorm/datamodels/aicclib.php");
        $aiccsid = scorm_aicc_get_hacp_session($scorm->id);
        if (empty($aiccsid)) {
            $aiccsid = sesskey();
        }
        $scoparams = '';
        if (isset($sco->parameters) && (!empty($sco->parameters))) {
            $scoparams = '&'. $sco->parameters;
        }
        $launcher = $sco->launch.$connector.'aicc_sid='.$aiccsid.'&aicc_url='.$CFG->wwwroot.'/mod/scorm/aicc.php'.$scoparams;
    } else {
        if (isset($sco->parameters) && (!empty($sco->parameters))) {
            $launcher = $sco->launch.$connector.$sco->parameters;
        } else {
            $launcher = $sco->launch;
        }
    }

    if (scorm_external_link($sco->launch)) {
        // TODO: does this happen?
        $scolaunchurl = $launcher;
    } else if ($scorm->scormtype === SCORM_TYPE_EXTERNAL) {
        // Remote learning activity.
        $scolaunchurl = dirname($scorm->reference).'/'.$launcher;
    } else if ($scorm->scormtype === SCORM_TYPE_LOCAL && strtolower($scorm->reference) == 'imsmanifest.xml') {
        // This SCORM content sits in a repository that allows relative links.
        $scolaunchurl = "$CFG->wwwroot/pluginfile.php/$context->id/mod_scorm/imsmanifest/$scorm->revision/$launcher";
    } else if ($scorm->scormtype === SCORM_TYPE_LOCAL or $scorm->scormtype === SCORM_TYPE_LOCALSYNC) {
        // Note: do not convert this to use moodle_url().
        // SCORM does not work without slasharguments and moodle_url() encodes querystring vars.
        $scolaunchurl = "$CFG->wwwroot/pluginfile.php/$context->id/mod_scorm/content/$scorm->revision/$launcher";
    }
    return array($sco, $scolaunchurl);
}

function scorm_randomize_children_process($scoid, $userid)
{
    $sco = scorm_get_sco($scoid);
    if (!scorm_is_leaf($sco)) {
        if (!scorm_seq_is('suspended', $scoid, $userid) && !scorm_seq_is('active', $scoid, $userid)) {
            $r = get_record('scorm_scoes_track', 'scoid', $scoid, 'userid', $userid, 'element', 'randomizationtiming');
            switch ($r->value) {
                case 'never':
                    break;
                case 'oneachnewattempt':
                case 'once':
                    if (!scorm_seq_is('activityprogressstatus', $scoid, $userid)) {
                        if (scorm_seq_is('randomizechildren', $scoid, $userid)) {
                            $childlist = array();
                            $res = scorm_get_available_children($sco);
                            $i = sizeof($res) - 1;
                            $children = $res->value;
                            while ($i >= 0) {
                                $pos = array_rand($children);
                                array_push($childlist, $children[$pos]);
                                array_splice($children, $pos, 1);
                                $i--;
                            }
                            $clist = serialize($childlist);
                            scorm_seq_set('availablechildren', $scoid, $userid, false);
                            scorm_seq_set('availablechildren', $scoid, $userid, $clist);
                        }
                    }
                    break;
            }
        }
    }
}

function scorm_get_toc($user, $scorm, $liststyle, $currentorg = '', $scoid = '', $mode = 'normal', $attempt = '', $play = false, $tocheader = false)
{
    global $CFG, $DB, $PAGE, $OUTPUT;
    $strexpand = get_string('expcoll', 'scorm');
    $modestr = '';
    if ($mode == 'browse') {
        $modestr = '&mode=' . $mode;
    }
    $result = new stdClass();
    //$result->toc = "<ul id='s0' class='$liststyle'>\n";
    if ($tocheader) {
        $result->toc = '<div id="scorm_layout">';
        $result->toc .= '<div id="scorm_toc">';
        $result->toc .= '<div id="scorm_tree">';
    }
    $result->toc .= '<ul>';
    $tocmenus = array();
    $result->prerequisites = true;
    $incomplete = false;
    //
    // Get the current organization infos
    //
    if (!empty($currentorg)) {
        if (($organizationtitle = $DB->get_field('scorm_scoes', 'title', array('scorm' => $scorm->id, 'identifier' => $currentorg))) != '') {
            if ($play) {
                $result->toctitle = "{$organizationtitle}";
            } else {
                $result->toc .= "\t<li>{$organizationtitle}</li>\n";
            }
            $tocmenus[] = $organizationtitle;
        }
    }
    //
    // If not specified retrieve the last attempt number
    //
    if (empty($attempt)) {
        $attempt = scorm_get_last_attempt($scorm->id, $user->id);
    }
    $result->attemptleft = $scorm->maxattempt - $attempt;
    if ($scoes = scorm_get_scoes($scorm->id, $currentorg)) {
        //
        // Retrieve user tracking data for each learning object
        //
        $usertracks = array();
        foreach ($scoes as $sco) {
            if (!empty($sco->launch)) {
                if (empty($scoid)) {
                    $scoid = $sco->id;
                }
                if ($usertrack = scorm_get_tracks($sco->id, $user->id, $attempt)) {
                    if ($usertrack->status == '') {
                        $usertrack->status = 'notattempted';
                    }
                    $usertracks[$sco->identifier] = $usertrack;
                }
            }
        }
        $level = 0;
        $sublist = 1;
        $previd = 0;
        $nextid = 0;
        $findnext = false;
        $parents[$level] = '/';
        foreach ($scoes as $pos => $sco) {
            $isvisible = false;
            $sco->title = $sco->title;
            if (!isset($sco->isvisible) || isset($sco->isvisible) && $sco->isvisible == 'true') {
                $isvisible = true;
            }
            if ($parents[$level] != $sco->parent) {
                if ($newlevel = array_search($sco->parent, $parents)) {
                    for ($i = 0; $i < $level - $newlevel; $i++) {
                        $result->toc .= "\t\t</li></ul></li>\n";
                    }
                    $level = $newlevel;
                } else {
                    $i = $level;
                    $closelist = '';
                    while ($i > 0 && $parents[$level] != $sco->parent) {
                        $closelist .= "\t\t</li></ul></li>\n";
                        $i--;
                    }
                    if ($i == 0 && $sco->parent != $currentorg) {
                        $style = '';
                        if (isset($_COOKIE['hide:SCORMitem' . $sco->id])) {
                            $style = ' style="display: none;"';
                        }
                        //$result->toc .= "\t\t<li><ul id='s$sublist' class='$liststyle'$style>\n";
                        $result->toc .= "\t\t<ul>\n";
                        $level++;
                    } else {
                        $result->toc .= $closelist;
                        $level = $i;
                    }
                    $parents[$level] = $sco->parent;
                }
            }
            if ($isvisible) {
                $result->toc .= "\t\t<li>";
            }
//.........这里部分代码省略.........

/**
 * Sets up $userdata array and default values for AICC package.
 *
 * @param stdClass $userdata an empty stdClass variable that should be set up with user values
 * @param object $scorm package record
 * @param string $scoid SCO Id
 * @param string $attempt attempt number for the user
 * @param string $mode scorm display mode type
 * @return array The default values that should be used for AICC package
 */
function get_scorm_default(&$userdata, $scorm, $scoid, $attempt, $mode)
{
    global $USER;
    $aiccuserid = get_config('scorm', 'aiccuserid');
    if (!empty($aiccuserid)) {
        $userdata->student_id = $USER->id;
    } else {
        $userdata->student_id = $USER->username;
    }
    $userdata->student_name = $USER->lastname . ', ' . $USER->firstname;
    if ($usertrack = scorm_get_tracks($scoid, $USER->id, $attempt)) {
        foreach ($usertrack as $key => $value) {
            $userdata->{$key} = $value;
        }
    } else {
        $userdata->status = '';
        $userdata->score_raw = '';
    }
    if ($scodatas = scorm_get_sco($scoid, SCO_DATA)) {
        foreach ($scodatas as $key => $value) {
            $userdata->{$key} = $value;
        }
    } else {
        print_error('cannotfindsco', 'scorm');
    }
    if (!($sco = scorm_get_sco($scoid))) {
        print_error('cannotfindsco', 'scorm');
    }
    $userdata->mode = 'normal';
    if (!empty($mode)) {
        $userdata->mode = $mode;
    }
    if ($userdata->mode == 'normal') {
        $userdata->credit = 'credit';
    } else {
        $userdata->credit = 'no-credit';
    }
    if (isset($userdata->status)) {
        if ($userdata->status == '') {
            $userdata->entry = 'ab-initio';
        } else {
            if (isset($userdata->{'cmi.core.exit'}) && $userdata->{'cmi.core.exit'} == 'suspend') {
                $userdata->entry = 'resume';
            } else {
                $userdata->entry = '';
            }
        }
    }
    $def = array();
    $def['cmi.core.student_id'] = $userdata->student_id;
    $def['cmi.core.student_name'] = $userdata->student_name;
    $def['cmi.core.credit'] = $userdata->credit;
    $def['cmi.core.entry'] = $userdata->entry;
    $def['cmi.launch_data'] = scorm_isset($userdata, 'datafromlms');
    $def['cmi.core.lesson_mode'] = $userdata->mode;
    $def['cmi.student_data.attempt_number'] = scorm_isset($userdata, 'cmi.student_data.attempt_number');
    $def['cmi.student_data.mastery_score'] = scorm_isset($userdata, 'mastery_score');
    $def['cmi.student_data.max_time_allowed'] = scorm_isset($userdata, 'max_time_allowed');
    $def['cmi.student_data.time_limit_action'] = scorm_isset($userdata, 'time_limit_action');
    $def['cmi.student_data.tries_during_lesson'] = scorm_isset($userdata, 'cmi.student_data.tries_during_lesson');
    $def['cmi.core.lesson_location'] = scorm_isset($userdata, 'cmi.core.lesson_location');
    $def['cmi.core.lesson_status'] = scorm_isset($userdata, 'cmi.core.lesson_status');
    $def['cmi.core.exit'] = scorm_isset($userdata, 'cmi.core.exit');
    $def['cmi.core.score.raw'] = scorm_isset($userdata, 'cmi.core.score.raw');
    $def['cmi.core.score.max'] = scorm_isset($userdata, 'cmi.core.score.max');
    $def['cmi.core.score.min'] = scorm_isset($userdata, 'cmi.core.score.min');
    $def['cmi.core.total_time'] = scorm_isset($userdata, 'cmi.core.total_time', '00:00:00');
    $def['cmi.suspend_data'] = scorm_isset($userdata, 'cmi.suspend_data');
    $def['cmi.comments'] = scorm_isset($userdata, 'cmi.comments');
    return $def;
}

function scorm_seq_set($what, $scoid, $userid, $attempt = 0, $value = 'true')
{
    /// set passed activity to active or not
    if ($value == false) {
        delete_record('scorm_scoes_track', 'scoid', $scoid, 'userid', $userid, 'element', $what);
    } else {
        $sco = scorm_get_sco($scoid);
        scorm_insert_track($userid, $sco->scorm, $sco->id, 0, $what, $value);
    }
}

    $scorm = $DB->get_record("scorm", array("id" => $cm->instance), '*', MUST_EXIST);
} else {
    if (!empty($a)) {
        $scorm = $DB->get_record("scorm", array("id" => $a), '*', MUST_EXIST);
        $course = $DB->get_record("course", array("id" => $scorm->course), '*', MUST_EXIST);
        $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id, false, MUST_EXIST);
    } else {
        print_error('missingparameter');
    }
}
$PAGE->set_url('/mod/scorm/datamodels/sequencinghandler.php', array('scoid' => $scoid, 'attempt' => $attempt, 'id' => $cm->id, 'function' => $function, 'request' => $request));
require_login($course, false, $cm);
if (!empty($scoid) && !empty($function)) {
    require_once $CFG->dirroot . '/mod/scorm/datamodels/scorm_13lib.php';
    if (has_capability('mod/scorm:savetrack', context_module::instance($cm->id))) {
        $result = null;
        switch ($function) {
            case 'scorm_seq_flow':
                if ($request == 'forward' || $request == 'backward') {
                    $seq = scorm_seq_navigation($scoid, $USER->id, $request . '_', $attempt);
                    $sco = scorm_get_sco($scoid);
                    $seq = scorm_seq_flow($sco, $request, $seq, true, $USER->id);
                    if (!empty($seq->nextactivity)) {
                        scorm_seq_end_attempt($sco, $USER->id, $seq);
                    }
                }
                echo json_encode($seq);
                break;
        }
    }
}

} else {
    $userdata->status = '';
    $userdata->score_raw = '';
}
$userdata->student_id = addslashes($USER->username);
$userdata->student_name = addslashes($USER->lastname . ', ' . $USER->firstname);
$userdata->mode = 'normal';
if (isset($mode)) {
    $userdata->mode = $mode;
}
if ($userdata->mode == 'normal') {
    $userdata->credit = 'credit';
} else {
    $userdata->credit = 'no-credit';
}
if ($scodatas = scorm_get_sco($scoid, SCO_DATA)) {
    foreach ($scodatas as $key => $value) {
        $userdata->{$key} = $value;
    }
} else {
    error('Sco not found');
}
$scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));
// Just to be safe
if (file_exists($CFG->dirroot . '/mod/scorm/datamodels/' . $scorm->version . '.js.php')) {
    include_once $CFG->dirroot . '/mod/scorm/datamodels/' . $scorm->version . '.js.php';
} else {
    include_once $CFG->dirroot . '/mod/scorm/datamodels/scorm_12.js.php';
}
?>

    $PAGE->add_body_class('forcejavascript');
}
require_login($course, false, $cm);
$context = context_course::instance($course->id);
$contextmodule = context_module::instance($cm->id);
$launch = false;
// Does this automatically trigger a launch based on skipview.
if (!empty($scorm->popup)) {
    $orgidentifier = '';
    $scoid = 0;
    if ($scorm->skipview >= SCORM_SKIPVIEW_FIRST && has_capability('mod/scorm:skipview', $contextmodule) && !has_capability('mod/scorm:viewreport', $contextmodule)) {
        // Don't skip users with the capability to view reports.
        // do we launch immediately and redirect the parent back ?
        if ($scorm->skipview == SCORM_SKIPVIEW_ALWAYS || !scorm_has_tracks($scorm->id, $USER->id)) {
            $orgidentifier = '';
            if ($sco = scorm_get_sco($scorm->launch, SCO_ONLY)) {
                if ($sco->organization == '' && $sco->launch == '') {
                    $orgidentifier = $sco->identifier;
                } else {
                    $orgidentifier = $sco->organization;
                }
                $scoid = $sco->id;
            }
            $launch = true;
        }
    }
    // Redirect back to the section with one section per page ?
    $courseformat = course_get_format($course)->get_course();
    $sectionid = '';
    if (isset($courseformat->coursedisplay) && $courseformat->coursedisplay == COURSE_DISPLAY_MULTIPAGE) {
        $sectionid = $cm->sectionnum;

function scorm_get_toc($user, $scorm, $cmid, $toclink = TOCJSLINK, $currentorg = '', $scoid = '', $mode = 'normal', $attempt = '', $play = false, $tocheader = false)
{
    global $CFG, $DB, $OUTPUT;
    if (empty($attempt)) {
        $attempt = scorm_get_last_attempt($scorm->id, $user->id);
    }
    $result = new stdClass();
    $organizationsco = null;
    if ($tocheader) {
        $result->toc = html_writer::start_div('yui3-g-r', array('id' => 'scorm_layout'));
        $result->toc .= html_writer::start_div('yui3-u-1-5', array('id' => 'scorm_toc'));
        $result->toc .= html_writer::div('', '', array('id' => 'scorm_toc_title'));
        $result->toc .= html_writer::start_div('', array('id' => 'scorm_tree'));
    }
    if (!empty($currentorg)) {
        $organizationsco = $DB->get_record('scorm_scoes', array('scorm' => $scorm->id, 'identifier' => $currentorg));
        if (!empty($organizationsco->title)) {
            if ($play) {
                $result->toctitle = $organizationsco->title;
            }
        }
    }
    $scoes = scorm_get_toc_object($user, $scorm, $currentorg, $scoid, $mode, $attempt, $play, $organizationsco);
    $treeview = scorm_format_toc_for_treeview($user, $scorm, $scoes['scoes'][0]->children, $scoes['usertracks'], $cmid, $toclink, $currentorg, $attempt, $play, $organizationsco, false);
    if ($tocheader) {
        $result->toc .= $treeview->toc;
    } else {
        $result->toc = $treeview->toc;
    }
    if (!empty($scoes['scoid'])) {
        $scoid = $scoes['scoid'];
    }
    if (empty($scoid)) {
        // If this is a normal package with an org sco and child scos get the first child.
        if (!empty($scoes['scoes'][0]->children)) {
            $result->sco = $scoes['scoes'][0]->children[0];
        } else {
            // This package only has one sco - it may be a simple external AICC package.
            $result->sco = $scoes['scoes'][0];
        }
    } else {
        $result->sco = scorm_get_sco($scoid);
    }
    if ($scorm->hidetoc == SCORM_TOC_POPUP) {
        $tocmenu = scorm_format_toc_for_droplist($scorm, $scoes['scoes'][0]->children, $scoes['usertracks'], $currentorg, $organizationsco);
        $modestr = '';
        if ($mode != 'normal') {
            $modestr = '&mode=' . $mode;
        }
        $url = new moodle_url('/mod/scorm/player.php?a=' . $scorm->id . '&currentorg=' . $currentorg . $modestr);
        $result->tocmenu = $OUTPUT->single_select($url, 'scoid', $tocmenu, $result->sco->id, null, "tocmenu");
    }
    $result->prerequisites = $treeview->prerequisites;
    $result->incomplete = $treeview->incomplete;
    $result->attemptleft = $treeview->attemptleft;
    if ($tocheader) {
        $result->toc .= html_writer::end_div() . html_writer::end_div();
        $result->toc .= html_writer::start_div('', array('id' => 'scorm_toc_toggle'));
        $result->toc .= html_writer::tag('button', '', array('id' => 'scorm_toc_toggle_btn')) . html_writer::end_div();
        $result->toc .= html_writer::start_div('', array('id' => 'scorm_content'));
        $result->toc .= html_writer::div('', '', array('id' => 'scorm_navpanel'));
        $result->toc .= html_writer::end_div() . html_writer::end_div();
    }
    return $result;
}

 /**
  * Retrieves SCO tracking data for the given user id and attempt number
  *
  * @param int $scoid the sco id
  * @param int $userid the user id
  * @param int $attempt the attempt number
  * @return array warnings and the scoes data
  * @since Moodle 3.0
  */
 public static function get_scorm_sco_tracks($scoid, $userid, $attempt = 0)
 {
     global $USER, $DB;
     $params = self::validate_parameters(self::get_scorm_sco_tracks_parameters(), array('scoid' => $scoid, 'userid' => $userid, 'attempt' => $attempt));
     $tracks = array();
     $warnings = array();
     $sco = scorm_get_sco($params['scoid'], SCO_ONLY);
     if (!$sco) {
         throw new moodle_exception('cannotfindsco', 'scorm');
     }
     $scorm = $DB->get_record('scorm', array('id' => $sco->scorm), '*', MUST_EXIST);
     $cm = get_coursemodule_from_instance('scorm', $scorm->id);
     $context = context_module::instance($cm->id);
     self::validate_context($context);
     $user = core_user::get_user($params['userid'], '*', MUST_EXIST);
     core_user::require_active_user($user);
     // Extra checks so only users with permissions can view other users attempts.
     if ($USER->id != $user->id) {
         require_capability('mod/scorm:viewreport', $context);
     }
     scorm_require_available($scorm, true, $context);
     if (empty($params['attempt'])) {
         $params['attempt'] = scorm_get_last_attempt($scorm->id, $user->id);
     }
     $attempted = false;
     if ($scormtracks = scorm_get_tracks($sco->id, $params['userid'], $params['attempt'])) {
         // Check if attempted.
         if ($scormtracks->status != '') {
             $attempted = true;
             foreach ($scormtracks as $element => $value) {
                 $tracks[] = array('element' => $element, 'value' => $value);
             }
         }
     }
     if (!$attempted) {
         $warnings[] = array('item' => 'attempt', 'itemid' => $params['attempt'], 'warningcode' => 'notattempted', 'message' => get_string('notattempted', 'scorm'));
     }
     $result = array();
     $result['data']['attempt'] = $params['attempt'];
     $result['data']['tracks'] = $tracks;
     $result['warnings'] = $warnings;
     return $result;
 }

function scorm_get_toc($user, $scorm, $liststyle, $currentorg = '', $scoid = '', $mode = 'normal', $attempt = '', $play = false)
{
    global $CFG, $DB, $PAGE, $OUTPUT;
    $strexpand = get_string('expcoll', 'scorm');
    $modestr = '';
    if ($mode == 'browse') {
        $modestr = '&mode=' . $mode;
    }
    $result = new stdClass();
    $result->toc = "<ul id='s0' class='{$liststyle}'>\n";
    $tocmenus = array();
    $result->prerequisites = true;
    $incomplete = false;
    //
    // Get the current organization infos
    //
    if (!empty($currentorg)) {
        if (($organizationtitle = $DB->get_field('scorm_scoes', 'title', array('scorm' => $scorm->id, 'identifier' => $currentorg))) != '') {
            $result->toc .= "\t<li>{$organizationtitle}</li>\n";
            $tocmenus[] = $organizationtitle;
        }
    }
    //
    // If not specified retrieve the last attempt number
    //
    if (empty($attempt)) {
        $attempt = scorm_get_last_attempt($scorm->id, $user->id);
    }
    $result->attemptleft = $scorm->maxattempt - $attempt;
    $conditions['scorm'] = $scorm->id;
    if ($scoes = scorm_get_scoes($scorm->id, $currentorg)) {
        //
        // Retrieve user tracking data for each learning object
        //
        $usertracks = array();
        foreach ($scoes as $sco) {
            if (!empty($sco->launch)) {
                if ($usertrack = scorm_get_tracks($sco->id, $user->id, $attempt)) {
                    if ($usertrack->status == '') {
                        $usertrack->status = 'notattempted';
                    }
                    $usertracks[$sco->identifier] = $usertrack;
                }
            }
        }
        $level = 0;
        $sublist = 1;
        $previd = 0;
        $nextid = 0;
        $findnext = false;
        $parents[$level] = '/';
        foreach ($scoes as $pos => $sco) {
            $isvisible = false;
            $sco->title = $sco->title;
            if (!isset($sco->isvisible) || isset($sco->isvisible) && $sco->isvisible == 'true') {
                $isvisible = true;
            }
            if ($parents[$level] != $sco->parent) {
                if ($newlevel = array_search($sco->parent, $parents)) {
                    for ($i = 0; $i < $level - $newlevel; $i++) {
                        $result->toc .= "\t\t</ul></li>\n";
                    }
                    $level = $newlevel;
                } else {
                    $i = $level;
                    $closelist = '';
                    while ($i > 0 && $parents[$level] != $sco->parent) {
                        $closelist .= "\t\t</ul></li>\n";
                        $i--;
                    }
                    if ($i == 0 && $sco->parent != $currentorg) {
                        $style = '';
                        if (isset($_COOKIE['hide:SCORMitem' . $sco->id])) {
                            $style = ' style="display: none;"';
                        }
                        $result->toc .= "\t\t<li><ul id='s{$sublist}' class='{$liststyle}'{$style}>\n";
                        $level++;
                    } else {
                        $result->toc .= $closelist;
                        $level = $i;
                    }
                    $parents[$level] = $sco->parent;
                }
            }
            if ($isvisible) {
                $result->toc .= "\t\t<li>";
            }
            if (isset($scoes[$pos + 1])) {
                $nextsco = $scoes[$pos + 1];
            } else {
                $nextsco = false;
            }
            $nextisvisible = false;
            if ($nextsco !== false && (!isset($nextsco->isvisible) || isset($nextsco->isvisible) && $nextsco->isvisible == 'true')) {
                $nextisvisible = true;
            }
            if ($nextisvisible && $nextsco !== false && $sco->parent != $nextsco->parent && ($level == 0 || $level > 0 && $nextsco->parent == $sco->identifier)) {
                $sublist++;
                $icon = 'minus';
                if (isset($_COOKIE['hide:SCORMitem' . $nextsco->id])) {
//.........这里部分代码省略.........