<?php // $Id$
-define("VALUESCOES",0);
-define("VALUEHIGHEST",1);
-define("VALUEAVERAGE",2);
-define("VALUESUM",3);
-
-//
-// Repository configurations
-//
-$repositoryconfigfile = $CFG->dirroot.'/mod/resource/type/ims/repository_config.php';
-$repositorybrowser = '/mod/resource/type/ims/finder.php';
-
-
-/// Local Library of functions and constants for module scorm
+/// Local Library of functions for module scorm
/**
* This function will permanently delete the given
}
}
-/**
-* Given a package directory, this function will check if the package is valid
-*
-* @param string $packagedir The package directory
-* @return mixed
-*/
-function scorm_validate($packagedir) {
- $validation = new stdClass();
- if (is_file($packagedir.'/imsmanifest.xml')) {
- $validation->result = 'found';
- $validation->pkgtype = 'SCORM';
- } else {
- if ($handle = opendir($packagedir)) {
- while (($file = readdir($handle)) !== false) {
- $ext = substr($file,strrpos($file,'.'));
- if (strtolower($ext) == '.cst') {
- $validation->result = 'found';
- $validation->pkgtype = 'AICC';
- break;
+function scorm_array_search($item, $needle, $haystacks, $strict=false) {
+ if (!empty($haystacks)) {
+ foreach ($haystacks as $key => $element) {
+ if ($strict) {
+ if ($element->{$item} === $needle) {
+ return $key;
+ }
+ } else {
+ if ($element->{$item} == $needle) {
+ return $key;
}
}
- closedir($handle);
- }
- if (!isset($validation->result)) {
- $validation->result = 'nomanifest';
- $validation->pkgtype = 'SCORM';
}
}
- return $validation;
+ return false;
}
-function scorm_get_user_data($userid) {
-/// Gets user info required to display the table of scorm results
-/// for report.php
+function scorm_repeater($what, $times) {
+ if ($times <= 0) {
+ return null;
+ }
+ $return = '';
+ for ($i=0; $i<$times;$i++) {
+ $return .= $what;
+ }
+ return $return;
+}
- return get_record('user','id',$userid,'','','','','firstname, lastname, picture');
+function scorm_external_link($link) {
+// check if a link is external
+ $result = false;
+ $link = strtolower($link);
+ if (substr($link,0,7) == 'http://') {
+ $result = true;
+ } else if (substr($link,0,8) == 'https://') {
+ $result = true;
+ } else if (substr($link,0,4) == 'www.') {
+ $result = true;
+ }
+ return $result;
}
function scorm_string_wrap($stringa, $len=15) {
}
}
-function scorm_eval_prerequisites($prerequisites,$usertracks) {
- $element = '';
- $stack = array();
- $statuses = array(
- 'passed' => 'passed',
- 'completed' => 'completed',
- 'failed' => 'failed',
- 'incomplete' => 'incomplete',
- 'browsed' => 'browsed',
- 'not attempted' => 'notattempted',
- 'p' => 'passed',
- 'c' => 'completed',
- 'f' => 'failed',
- 'i' => 'incomplete',
- 'b' => 'browsed',
- 'n' => 'notattempted'
- );
- $i=0;
- while ($i<strlen($prerequisites)) {
- $symbol = $prerequisites[$i];
- switch ($symbol) {
- case '&':
- case '|':
- $symbol .= $symbol;
- case '~':
- case '(':
- case ')':
- case '*':
- $element = trim($element);
-
- if (!empty($element)) {
- $element = trim($element);
- if (isset($usertracks[$element])) {
- $element = '((\''.$usertracks[$element]->status.'\' == \'completed\') || '.
- '(\''.$usertracks[$element]->status.'\' == \'passed\'))';
- } else if (($operator = strpos($element,'=')) !== false) {
- $item = trim(substr($element,0,$operator));
- if (!isset($usertracks[$item])) {
- return false;
- }
-
- $value = trim(trim(substr($element,$operator+1)),'"');
- if (isset($statuses[$value])) {
- $status = $statuses[$value];
- } else {
- return false;
- }
-
- $element = '(\''.$usertracks[$item]->status.'\' == \''.$status.'\')';
- } else if (($operator = strpos($element,'<>')) !== false) {
- $item = trim(substr($element,0,$operator));
- if (!isset($usertracks[$item])) {
- return false;
- }
-
- $value = trim(trim(substr($element,$operator+2)),'"');
- if (isset($statuses[$value])) {
- $status = $statuses[$value];
- } else {
- return false;
- }
-
- $element = '(\''.$usertracks[$item]->status.'\' != \''.$status.'\')';
- } else if (is_numeric($element)) {
- if ($symbol == '*') {
- $symbol = '';
- $open = strpos($prerequisites,'{',$i);
- $opened = 1;
- $closed = 0;
- for ($close=$open+1; (($opened > $closed) && ($close<strlen($prerequisites))); $close++) {
- if ($prerequisites[$close] == '}') {
- $closed++;
- } else if ($prerequisites[$close] == '{') {
- $opened++;
- }
- }
- $i = $close;
-
- $setelements = explode(',', substr($prerequisites, $open+1, $close-($open+1)-1));
- $settrue = 0;
- foreach ($setelements as $setelement) {
- if (scorm_eval_prerequisites($setelement,$usertracks)) {
- $settrue++;
- }
- }
-
- if ($settrue >= $element) {
- $element = 'true';
- } else {
- $element = 'false';
- }
- }
- } else {
- return false;
- }
-
- array_push($stack,$element);
- $element = '';
- }
- if ($symbol == '~') {
- $symbol = '!';
- }
- if (!empty($symbol)) {
- array_push($stack,$symbol);
+/**
+* Given a package directory, this function will check if the package is valid
+*
+* @param string $packagedir The package directory
+* @return mixed
+*/
+function scorm_validate($packagedir) {
+ $validation = new stdClass();
+ if (is_file($packagedir.'/imsmanifest.xml')) {
+ $validation->result = 'found';
+ $validation->pkgtype = 'SCORM';
+ } else {
+ if ($handle = opendir($packagedir)) {
+ while (($file = readdir($handle)) !== false) {
+ $ext = substr($file,strrpos($file,'.'));
+ if (strtolower($ext) == '.cst') {
+ $validation->result = 'found';
+ $validation->pkgtype = 'AICC';
+ break;
}
- break;
- default:
- $element .= $symbol;
- break;
- }
- $i++;
- }
- if (!empty($element)) {
- $element = trim($element);
- if (isset($usertracks[$element])) {
- $element = '((\''.$usertracks[$element]->status.'\' == \'completed\') || '.
- '(\''.$usertracks[$element]->status.'\' == \'passed\'))';
- } else if (($operator = strpos($element,'=')) !== false) {
- $item = trim(substr($element,0,$operator));
- if (!isset($usertracks[$item])) {
- return false;
- }
-
- $value = trim(trim(substr($element,$operator+1)),'"');
- if (isset($statuses[$value])) {
- $status = $statuses[$value];
- } else {
- return false;
- }
-
- $element = '(\''.$usertracks[$item]->status.'\' == \''.$status.'\')';
- } else if (($operator = strpos($element,'<>')) !== false) {
- $item = trim(substr($element,0,$operator));
- if (!isset($usertracks[$item])) {
- return false;
}
-
- $value = trim(trim(substr($element,$operator+1)),'"');
- if (isset($statuses[$value])) {
- $status = $statuses[$value];
- } else {
- return false;
- }
-
- $element = '(\''.$usertracks[$item]->status.'\' != \''.trim($status).'\')';
- } else {
- return false;
+ closedir($handle);
+ }
+ if (!isset($validation->result)) {
+ $validation->result = 'nomanifest';
+ $validation->pkgtype = 'SCORM';
}
-
- array_push($stack,$element);
}
- return eval('return '.implode($stack).';');
+ return $validation;
}
function scorm_insert_track($userid,$scormid,$scoid,$attempt,$element,$value) {
return $id;
}
-function scorm_add_time($a, $b) {
- $aes = explode(':',$a);
- $bes = explode(':',$b);
- $aseconds = explode('.',$aes[2]);
- $bseconds = explode('.',$bes[2]);
- $change = 0;
-
- $acents = 0; //Cents
- if (count($aseconds) > 1) {
- $acents = $aseconds[1];
- }
- $bcents = 0;
- if (count($bseconds) > 1) {
- $bcents = $bseconds[1];
- }
- $cents = $acents + $bcents;
- $change = floor($cents / 100);
- $cents = $cents - ($change * 100);
- if (floor($cents) < 10) {
- $cents = '0'. $cents;
- }
-
- $secs = $aseconds[0] + $bseconds[0] + $change; //Seconds
- $change = floor($secs / 60);
- $secs = $secs - ($change * 60);
- if (floor($secs) < 10) {
- $secs = '0'. $secs;
- }
-
- $mins = $aes[1] + $bes[1] + $change; //Minutes
- $change = floor($mins / 60);
- $mins = $mins - ($change * 60);
- if ($mins < 10) {
- $mins = '0' . $mins;
- }
-
- $hours = $aes[0] + $bes[0] + $change; //Hours
- if ($hours < 10) {
- $hours = '0' . $hours;
- }
-
- if ($cents != '0') {
- return $hours . ":" . $mins . ":" . $secs . '.' . $cents;
- } else {
- return $hours . ":" . $mins . ":" . $secs;
- }
-}
-
-function scorm_external_link($link) {
-// check if a link is external
- $result = false;
- $link = strtolower($link);
- if (substr($link,0,7) == 'http://') {
- $result = true;
- } else if (substr($link,0,8) == 'https://') {
- $result = true;
- } else if (substr($link,0,4) == 'www.') {
- $result = true;
- }
- return $result;
-}
-
-function scorm_grade_user($scoes, $userid, $grademethod=VALUESCOES) {
- $scores = NULL;
- $scores->scoes = 0;
- $scores->values = 0;
- $scores->max = 0;
- $scores->sum = 0;
-
- if (!$scoes) {
- return '';
- }
-
- $current = current($scoes);
- $attempt = scorm_get_last_attempt($current->scorm, $userid);
- foreach ($scoes as $sco) {
- if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
- if (($userdata->status == 'completed') || ($userdata->status == 'passed')) {
- $scores->scoes++;
- }
- if (!empty($userdata->score_raw)) {
- $scores->values++;
- $scores->sum += $userdata->score_raw;
- $scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
- }
- }
- }
- switch ($grademethod) {
- case VALUEHIGHEST:
- return $scores->max;
- break;
- case VALUEAVERAGE:
- if ($scores->values > 0) {
- return $scores->sum/$scores->values;
- } else {
- return 0;
- }
- break;
- case VALUESUM:
- return $scores->sum;
- break;
- case VALUESCOES:
- return $scores->scoes;
- break;
- }
-}
-
-function scorm_count_launchable($scormid,$organization) {
- return count_records_select('scorm_scoes',"scorm=$scormid AND organization='$organization' AND launch<>''");
-}
-
-function scorm_get_toc($user,$scorm,$liststyle,$currentorg='',$scoid='',$mode='normal',$attempt='',$play=false) {
- global $CFG;
-
- // Added by Pham Minh Duc
- $suspendscoid = scorm_get_suspendscoid($scorm->id,$user->id);
- // End add
-
- $strexpand = get_string('expcoll','scorm');
- $modestr = '';
- if ($mode == 'browse') {
- $modestr = '&mode='.$mode;
- }
- $scormpixdir = $CFG->modpixpath.'/scorm/pix';
-
- $result = new stdClass();
- $result->toc = "<ul id='0' class='$liststyle'>\n";
- $tocmenus = array();
- $result->prerequisites = true;
- $incomplete = false;
-
- //
- // Get the current organization infos
- //
- $organizationsql = '';
- if (!empty($currentorg)) {
- if (($organizationtitle = get_field('scorm_scoes','title','scorm',$scorm->id,'identifier',$currentorg)) != '') {
- $result->toc .= "\t<li>$organizationtitle</li>\n";
- $tocmenus[] = $organizationtitle;
- }
- $organizationsql = "AND organization='$currentorg'";
- }
- //
- // 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 = get_records_select('scorm_scoes',"scorm='$scorm->id' $organizationsql order by id ASC")){
- //
- // 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 $sco) {
- if ($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;"';
- }
- $result->toc .= "\t\t<li><ul id='$sublist' class='$liststyle'$style>\n";
- $level++;
- } else {
- $result->toc .= $closelist;
- $level = $i;
- }
- $parents[$level]=$sco->parent;
- }
- }
- $result->toc .= "\t\t<li>";
- $nextsco = next($scoes);
- if (($nextsco !== false) && ($sco->parent != $nextsco->parent) && (($level==0) || (($level>0) && ($nextsco->parent == $sco->identifier)))) {
- $sublist++;
- $icon = 'minus';
- if (isset($_COOKIE['hide:SCORMitem'.$nextsco->id])) {
- $icon = 'plus';
- }
- $result->toc .= '<a href="javascript:expandCollide(img'.$sublist.','.$sublist.','.$nextsco->id.');"><img id="img'.$sublist.'" src="'.$scormpixdir.'/'.$icon.'.gif" alt="'.$strexpand.'" title="'.$strexpand.'"/></a>';
- } else {
- $result->toc .= '<img src="'.$scormpixdir.'/spacer.gif" />';
- }
- if (empty($sco->title)) {
- $sco->title = $sco->identifier;
- }
- if (!empty($sco->launch)) {
- $startbold = '';
- $endbold = '';
- $score = '';
- if (empty($scoid) && ($mode != 'normal')) {
- $scoid = $sco->id;
- }
- // Modified by Pham Minh Duc
- if ($suspendscoid == $sco->id){
- $result->toc .= '<img src="'.$scormpixdir.'/suspend.gif" alt="Dang tam dung o day" title="Dang dung o day" />';
- } else {
- if (isset($usertracks[$sco->identifier])) {
- $usertrack = $usertracks[$sco->identifier];
- $strstatus = get_string($usertrack->status,'scorm');
- $result->toc .= '<img src="'.$scormpixdir.'/'.$usertrack->status.'.gif" alt="'.$strstatus.'" title="'.$strstatus.'" />';
-
- if (($usertrack->status == 'notattempted') || ($usertrack->status == 'incomplete') || ($usertrack->status == 'browsed')) {
- $incomplete = true;
- if ($play && empty($scoid)) {
- $scoid = $sco->id;
- }
- }
- if ($usertrack->score_raw != '') {
- $score = '('.get_string('score','scorm').': '.$usertrack->score_raw.')';
- }
- } else {
- if ($play && empty($scoid)) {
- $scoid = $sco->id;
- }
- if ($sco->scormtype == 'sco') {
- $result->toc .= '<img src="'.$scormpixdir.'/notattempted.gif" alt="'.get_string('notattempted','scorm').'" title="'.get_string('notattempted','scorm').'" />';
- $incomplete = true;
- } else {
- $result->toc .= '<img src="'.$scormpixdir.'/asset.gif" alt="'.get_string('asset','scorm').'" title="'.get_string('asset','scorm').'" />';
- }
- }
- }
- // End Modify
- if ($sco->id == $scoid) {
- $startbold = '<b>';
- $endbold = '</b>';
- $findnext = true;
- $shownext = $sco->next;
- $showprev = $sco->previous;
- }
-
- if (($nextid == 0) && (scorm_count_launchable($scorm->id,$currentorg) > 1) && ($nextsco!==false) && (!$findnext)) {
- if (!empty($sco->launch)) {
- $previd = $sco->id;
- }
- }
- if (empty($sco->prerequisites) || scorm_eval_prerequisites($sco->prerequisites,$usertracks)) {
- if ($sco->id == $scoid) {
- $result->prerequisites = true;
- }
- // Modified by Pham Minh Duc
- if (scorm_isChoice($scorm->id,$sco->id) == 1) {
- $url = $CFG->wwwroot.'/mod/scorm/player.php?a='.$scorm->id.'&currentorg='.$currentorg.$modestr.'&scoid='.$sco->id;
- $result->toc .= ' '.$startbold.'<a href="'.$url.'">'.format_string($sco->title).'</a>'.$score.$endbold."</li>\n";
- $tocmenus[$sco->id] = scorm_repeater('−',$level) . '>' . format_string($sco->title);
- } else {
- $result->toc .= ' '.$startbold.format_string($sco->title).$score.$endbold."</li>\n";
- $tocmenus[$sco->id] = scorm_repeater('−',$level) . '>' . format_string($sco->title);
- }
- // End modify
- } else {
- if ($sco->id == $scoid) {
- $result->prerequisites = false;
- }
- $result->toc .= ' '.$sco->title."</li>\n";
- }
- } else {
- $result->toc .= ' '.$sco->title."</li>\n";
- }
- if (($nextsco !== false) && ($nextid == 0) && ($findnext)) {
- if (!empty($nextsco->launch)) {
- $nextid = $nextsco->id;
- }
- }
- }
- for ($i=0;$i<$level;$i++) {
- $result->toc .= "\t\t</ul></li>\n";
- }
-
- if ($play) {
- $sco = get_record('scorm_scoes','id',$scoid);
- $sco->previd = $previd;
- $sco->nextid = $nextid;
- $result->sco = $sco;
- $result->incomplete = $incomplete;
- } else {
- $result->incomplete = $incomplete;
- }
- }
- $result->toc .= "\t</ul>\n";
- if ($scorm->hidetoc == 0) {
- $result->toc .= '
- <script language="javascript" type="text/javascript">
- <!--
- function expandCollide(which,list,item) {
- var nn=document.ids?true:false
- var w3c=document.getElementById?true:false
- var beg=nn?"document.ids.":w3c?"document.getElementById(":"document.all.";
- var mid=w3c?").style":".style";
-
- if (eval(beg+list+mid+".display") != "none") {
- which.src = "'.$scormpixdir.'/plus.gif";
- eval(beg+list+mid+".display=\'none\';");
- new cookie("hide:SCORMitem" + item, 1, 356, "/").set();
- } else {
- which.src = "'.$scormpixdir.'/minus.gif";
- eval(beg+list+mid+".display=\'block\';");
- new cookie("hide:SCORMitem" + item, 1, -1, "/").set();
- }
- }
- -->
- </script>'."\n";
- }
-
- $url = $CFG->wwwroot.'/mod/scorm/player.php?a='.$scorm->id.'&currentorg='.$currentorg.$modestr.'&scoid=';
- $result->tocmenu = popup_form($url,$tocmenus, "tocmenu", $sco->id, '', '', '', true);
-
- return $result;
-}
-
-function scorm_get_last_attempt($scormid, $userid) {
-/// Find the last attempt number for the given user id and scorm id
- if ($lastattempt = get_record('scorm_scoes_track', 'userid', $userid, 'scormid', $scormid, '', '', 'max(attempt) as a')) {
- if (empty($lastattempt->a)) {
- return '1';
- } else {
- return $lastattempt->a;
- }
- }
-}
-
function scorm_get_tracks($scoid,$userid,$attempt='') {
/// Gets all tracks of specified sco and user
global $CFG;
}
}
-/// Library of functions and constants for parsing packages
+function scorm_get_user_data($userid) {
+/// Gets user info required to display the table of scorm results
+/// for report.php
-function scorm_parse($scorm) {
- global $CFG,$repositoryconfigfile;
+ return get_record('user','id',$userid,'','','','','firstname, lastname, picture');
+}
- // Parse scorm manifest
- if ($scorm->pkgtype == 'AICC') {
- $scorm->launch = scorm_parse_aicc($scorm->dir.'/'.$scorm->id,$scorm->id);
- } else {
- $reference = $scorm->reference;
- if ($scorm->reference[0] == '#') {
- require_once($repositoryconfigfile);
- $reference = $CFG->repository.substr($scorm->reference,1).'/imsmanifest.xml';
- } else if (substr($reference,0,7) != 'http://') {
- $reference = $CFG->dataroot.'/'.$scorm->course.'/'.$scorm->reference;
- }
-
- if (basename($reference) != 'imsmanifest.xml') {
- $scorm->launch = scorm_parse_scorm($scorm->dir.'/'.$scorm->id,$scorm->id);
- } else {
- $scorm->launch = scorm_parse_scorm(dirname($reference),$scorm->id);
- }
- }
- return $scorm->launch;
-}
-
-/**
-* Take the header row of an AICC definition file
-* and returns sequence of columns and a pointer to
-* the sco identifier column.
-*
-* @param string $row AICC header row
-* @param string $mastername AICC sco identifier column
-* @return mixed
-*/
-function scorm_get_aicc_columns($row,$mastername='system_id') {
- $tok = strtok(strtolower($row),"\",\n\r");
- $result->columns = array();
- $i=0;
- while ($tok) {
- if ($tok !='') {
- $result->columns[] = $tok;
- if ($tok == $mastername) {
- $result->mastercol = $i;
- }
- $i++;
- }
- $tok = strtok("\",\n\r");
- }
- return $result;
-}
+function scorm_grade_user($scoes, $userid, $grademethod=VALUESCOES) {
+ $scores = NULL;
+ $scores->scoes = 0;
+ $scores->values = 0;
+ $scores->max = 0;
+ $scores->sum = 0;
-/**
-* Given a colums array return a string containing the regular
-* expression to match the columns in a text row.
-*
-* @param array $column The header columns
-* @param string $remodule The regular expression module for a single column
-* @return string
-*/
-function scorm_forge_cols_regexp($columns,$remodule='(".*")?,') {
- $regexp = '/^';
- foreach ($columns as $column) {
- $regexp .= $remodule;
+ if (!$scoes) {
+ return '';
}
- $regexp = substr($regexp,0,-1) . '/';
- return $regexp;
-}
-function scorm_parse_aicc($pkgdir,$scormid) {
- $version = 'AICC';
- $ids = array();
- $courses = array();
- $extaiccfiles = array('crs','des','au','cst','ort','pre','cmp');
- if ($handle = opendir($pkgdir)) {
- while (($file = readdir($handle)) !== false) {
- if ($file[0] != '.') {
- $ext = substr($file,strrpos($file,'.'));
- $extension = strtolower(substr($ext,1));
- if (in_array($extension,$extaiccfiles)) {
- $id = strtolower(basename($file,$ext));
- $ids[$id]->$extension = $file;
- }
- }
- }
- closedir($handle);
- }
- foreach ($ids as $courseid => $id) {
- if (isset($id->crs)) {
- if (is_file($pkgdir.'/'.$id->crs)) {
- $rows = file($pkgdir.'/'.$id->crs);
- foreach ($rows as $row) {
- if (preg_match("/^(.+)=(.+)$/",$row,$matches)) {
- switch (strtolower(trim($matches[1]))) {
- case 'course_id':
- $courses[$courseid]->id = trim($matches[2]);
- break;
- case 'course_title':
- $courses[$courseid]->title = trim($matches[2]);
- break;
- case 'version':
- $courses[$courseid]->version = 'AICC_'.trim($matches[2]);
- break;
- }
- }
- }
- }
- }
- if (isset($id->des)) {
- $rows = file($pkgdir.'/'.$id->des);
- $columns = scorm_get_aicc_columns($rows[0]);
- $regexp = scorm_forge_cols_regexp($columns->columns);
- for ($i=1;$i<count($rows);$i++) {
- if (preg_match($regexp,$rows[$i],$matches)) {
- for ($j=0;$j<count($columns->columns);$j++) {
- $column = $columns->columns[$j];
- $courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
- }
- }
- }
- }
- if (isset($id->au)) {
- $rows = file($pkgdir.'/'.$id->au);
- $columns = scorm_get_aicc_columns($rows[0]);
- $regexp = scorm_forge_cols_regexp($columns->columns);
- for ($i=1;$i<count($rows);$i++) {
- if (preg_match($regexp,$rows[$i],$matches)) {
- for ($j=0;$j<count($columns->columns);$j++) {
- $column = $columns->columns[$j];
- $courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
- }
- }
- }
- }
- if (isset($id->cst)) {
- $rows = file($pkgdir.'/'.$id->cst);
- $columns = scorm_get_aicc_columns($rows[0],'block');
- $regexp = scorm_forge_cols_regexp($columns->columns,'(.+)?,');
- for ($i=1;$i<count($rows);$i++) {
- if (preg_match($regexp,$rows[$i],$matches)) {
- for ($j=0;$j<count($columns->columns);$j++) {
- if ($j != $columns->mastercol) {
- $courses[$courseid]->elements[substr(trim($matches[$j+1]),1,-1)]->parent = substr(trim($matches[$columns->mastercol+1]),1,-1);
- }
- }
- }
- }
- }
- if (isset($id->ort)) {
- $rows = file($pkgdir.'/'.$id->ort);
- }
- if (isset($id->pre)) {
- $rows = file($pkgdir.'/'.$id->pre);
- $columns = scorm_get_aicc_columns($rows[0],'structure_element');
- $regexp = scorm_forge_cols_regexp($columns->columns,'(.+),');
- for ($i=1;$i<count($rows);$i++) {
- if (preg_match($regexp,$rows[$i],$matches)) {
- $courses[$courseid]->elements[$columns->mastercol+1]->prerequisites = substr(trim($matches[1-$columns->mastercol+1]),1,-1);
- }
- }
- }
- if (isset($id->cmp)) {
- $rows = file($pkgdir.'/'.$id->cmp);
- }
+ $current = current($scoes);
+ $attempt = scorm_get_last_attempt($current->scorm, $userid);
+ foreach ($scoes as $sco) {
+ if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
+ if (($userdata->status == 'completed') || ($userdata->status == 'passed')) {
+ $scores->scoes++;
+ }
+ if (!empty($userdata->score_raw)) {
+ $scores->values++;
+ $scores->sum += $userdata->score_raw;
+ $scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
+ }
+ }
}
- //print_r($courses);
-
- $oldscoes = get_records('scorm_scoes','scorm',$scormid);
-
- $launch = 0;
- if (isset($courses)) {
- foreach ($courses as $course) {
- unset($sco);
- $sco->identifier = $course->id;
- $sco->scorm = $scormid;
- $sco->organization = '';
- $sco->title = $course->title;
- $sco->parent = '/';
- $sco->launch = '';
- $sco->scormtype = '';
-
- //print_r($sco);
- if (get_record('scorm_scoes','scorm',$scormid,'identifier',$sco->identifier)) {
- $id = update_record('scorm_scoes',$sco);
- unset($oldscoes[$id]);
+ switch ($grademethod) {
+ case VALUEHIGHEST:
+ return $scores->max;
+ break;
+ case VALUEAVERAGE:
+ if ($scores->values > 0) {
+ return $scores->sum/$scores->values;
} else {
- $id = insert_record('scorm_scoes',$sco);
- }
-
- if ($launch == 0) {
- $launch = $id;
- }
- if (isset($course->elements)) {
- foreach($course->elements as $element) {
- unset($sco);
- $sco->identifier = $element->system_id;
- $sco->scorm = $scormid;
- $sco->organization = $course->id;
- $sco->title = $element->title;
- if (strtolower($element->parent) == 'root') {
- $sco->parent = '/';
- } else {
- $sco->parent = $element->parent;
- }
- if (isset($element->file_name)) {
- $sco->launch = $element->file_name;
- $sco->scormtype = 'sco';
- } else {
- $element->file_name = '';
- $sco->scormtype = '';
- }
- if (!isset($element->prerequisites)) {
- $element->prerequisites = '';
- }
- $sco->prerequisites = $element->prerequisites;
- if (!isset($element->max_time_allowed)) {
- $element->max_time_allowed = '';
- }
- $sco->maxtimeallowed = $element->max_time_allowed;
- if (!isset($element->time_limit_action)) {
- $element->time_limit_action = '';
- }
- $sco->timelimitaction = $element->time_limit_action;
- if (!isset($element->mastery_score)) {
- $element->mastery_score = '';
- }
- $sco->masteryscore = $element->mastery_score;
- $sco->previous = 0;
- $sco->next = 0;
- if ($oldscoid = scorm_array_search('identifier',$sco->identifier,$oldscoes)) {
- $sco->id = $oldscoid;
- $id = update_record('scorm_scoes',$sco);
- unset($oldscoes[$oldscoid]);
- } else {
- $id = insert_record('scorm_scoes',$sco);
- }
- if ($launch==0) {
- $launch = $id;
- }
- }
- }
- }
- }
- if (!empty($oldscoes)) {
- foreach($oldscoes as $oldsco) {
- delete_records('scorm_scoes','id',$oldsco->id);
- delete_records('scorm_scoes_track','scoid',$oldsco->id);
- }
+ return 0;
+ }
+ break;
+ case VALUESUM:
+ return $scores->sum;
+ break;
+ case VALUESCOES:
+ return $scores->scoes;
+ break;
}
- set_field('scorm','version','AICC','id',$scormid);
- return $launch;
}
-function scorm_get_resources($blocks) {
- $resources = array();
- foreach ($blocks as $block) {
- if ($block['name'] == 'RESOURCES') {
- foreach ($block['children'] as $resource) {
- if ($resource['name'] == 'RESOURCE') {
- $resources[addslashes($resource['attrs']['IDENTIFIER'])] = $resource['attrs'];
- }
- }
- }
- }
- return $resources;
+function scorm_count_launchable($scormid,$organization) {
+ return count_records_select('scorm_scoes',"scorm=$scormid AND organization='$organization' AND launch<>''");
}
-function scorm_get_manifest($blocks,$scoes) {
- static $parents = array();
- static $resources;
-
- static $manifest;
- static $organization;
-
- if (count($blocks) > 0) {
- foreach ($blocks as $block) {
- switch ($block['name']) {
- case 'METADATA':
- if (isset($block['children'])) {
- foreach ($block['children'] as $metadata) {
- if ($metadata['name'] == 'SCHEMAVERSION') {
- if (empty($scoes->version)) {
- if (isset($metadata['tagData']) && (preg_match("/^(1\.2)$|^(CAM )?(1\.3)$/",$metadata['tagData'],$matches))) {
- $scoes->version = 'SCORM_'.$matches[count($matches)-1];
- } else {
- $scoes->version = 'SCORM_1.2';
- }
- }
- }
- }
- }
- break;
- case 'MANIFEST':
- $manifest = addslashes($block['attrs']['IDENTIFIER']);
- $organization = '';
- $resources = array();
- $resources = scorm_get_resources($block['children']);
- $scoes = scorm_get_manifest($block['children'],$scoes);
- if (count($scoes->elements) <= 0) {
- foreach ($resources as $item => $resource) {
- if (!empty($resource['HREF'])) {
- $sco = new stdClass();
- $sco->identifier = $item;
- $sco->title = $item;
- $sco->parent = '/';
- $sco->launch = addslashes($resource['HREF']);
- $sco->scormtype = addslashes($resource['ADLCP:SCORMTYPE']);
- $scoes->elements[$manifest][$organization][$item] = $sco;
- }
- }
- }
- break;
- case 'ORGANIZATIONS':
- if (!isset($scoes->defaultorg)) {
- $scoes->defaultorg = addslashes($block['attrs']['DEFAULT']);
- }
- $scoes = scorm_get_manifest($block['children'],$scoes);
- break;
- case 'ORGANIZATION':
- $identifier = addslashes($block['attrs']['IDENTIFIER']);
- $organization = '';
- $scoes->elements[$manifest][$organization][$identifier]->identifier = $identifier;
- $scoes->elements[$manifest][$organization][$identifier]->parent = '/';
- $scoes->elements[$manifest][$organization][$identifier]->launch = '';
- $scoes->elements[$manifest][$organization][$identifier]->scormtype = '';
-
- $parents = array();
- $parent = new stdClass();
- $parent->identifier = $identifier;
- $parent->organization = $organization;
- array_push($parents, $parent);
- $organization = $identifier;
-
- $scoes = scorm_get_manifest($block['children'],$scoes);
-
- array_pop($parents);
- break;
- case 'ITEM':
- $parent = array_pop($parents);
- array_push($parents, $parent);
-
- $identifier = addslashes($block['attrs']['IDENTIFIER']);
- $scoes->elements[$manifest][$organization][$identifier]->identifier = $identifier;
- $scoes->elements[$manifest][$organization][$identifier]->parent = $parent->identifier;
- if (!isset($block['attrs']['ISVISIBLE'])) {
- $block['attrs']['ISVISIBLE'] = 'true';
- }
- $scoes->elements[$manifest][$organization][$identifier]->isvisible = addslashes($block['attrs']['ISVISIBLE']);
- if (!isset($block['attrs']['PARAMETERS'])) {
- $block['attrs']['PARAMETERS'] = '';
- }
- $scoes->elements[$manifest][$organization][$identifier]->parameters = addslashes($block['attrs']['PARAMETERS']);
- if (!isset($block['attrs']['IDENTIFIERREF'])) {
- $scoes->elements[$manifest][$organization][$identifier]->launch = '';
- $scoes->elements[$manifest][$organization][$identifier]->scormtype = 'asset';
- } else {
- $idref = addslashes($block['attrs']['IDENTIFIERREF']);
- $base = '';
- if (isset($resources[$idref]['XML:BASE'])) {
- $base = $resources[$idref]['XML:BASE'];
- }
- $scoes->elements[$manifest][$organization][$identifier]->launch = addslashes($base.$resources[$idref]['HREF']);
- if (empty($resources[$idref]['ADLCP:SCORMTYPE'])) {
- $resources[$idref]['ADLCP:SCORMTYPE'] = 'asset';
- }
- $scoes->elements[$manifest][$organization][$identifier]->scormtype = addslashes($resources[$idref]['ADLCP:SCORMTYPE']);
- }
-
- $parent = new stdClass();
- $parent->identifier = $identifier;
- $parent->organization = $organization;
- array_push($parents, $parent);
-
- $scoes = scorm_get_manifest($block['children'],$scoes);
-
- array_pop($parents);
- break;
- case 'TITLE':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- if (!isset($block['tagData'])) {
- $block['tagData'] = '';
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->title = addslashes($block['tagData']);
- break;
- case 'ADLCP:PREREQUISITES':
- if ($block['attrs']['TYPE'] == 'aicc_script') {
- $parent = array_pop($parents);
- array_push($parents, $parent);
- if (!isset($block['tagData'])) {
- $block['tagData'] = '';
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->prerequisites = addslashes($block['tagData']);
- }
- break;
- case 'ADLCP:MAXTIMEALLOWED':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- if (!isset($block['tagData'])) {
- $block['tagData'] = '';
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->maxtimeallowed = addslashes($block['tagData']);
- break;
- case 'ADLCP:TIMELIMITACTION':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- if (!isset($block['tagData'])) {
- $block['tagData'] = '';
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->timelimitaction = addslashes($block['tagData']);
- break;
- case 'ADLCP:DATAFROMLMS':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- if (!isset($block['tagData'])) {
- $block['tagData'] = '';
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->datafromlms = addslashes($block['tagData']);
- break;
- case 'ADLCP:MASTERYSCORE':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- if (!isset($block['tagData'])) {
- $block['tagData'] = '';
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->masteryscore = addslashes($block['tagData']);
- break;
- // Added by Pham Minh Duc
- case 'ADLNAV:PRESENTATION':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- foreach ($block['children'] as $adlnav) {
- if ($adlnav['name'] == 'ADLNAV:NAVIGATIONINTERFACE') {
- foreach ($adlnav['children'] as $adlnavInterface) {
- if ($adlnavInterface['name'] == 'ADLNAV:HIDELMSUI') {
- if ($adlnavInterface['tagData'] == 'continue') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->next = 1;
- }
- if ($adlnavInterface['tagData'] == 'previous') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->previous = 1;
- }
- }
-
- }
- }
- }
- break;
- case 'IMSSS:SEQUENCING':
- $parent = array_pop($parents);
- array_push($parents, $parent);
- foreach ($block['children'] as $sequencing) {
- if ($sequencing['name']=='IMSSS:CONTROLMODE') {
- if ($sequencing['attrs']['CHOICE'] == 'false') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->choice = 0;
- }
- if ($sequencing['attrs']['CHOICEEXIT'] == 'false') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->choiceexit = 0;
- }
- if ($sequencing['attrs']['FLOW'] == 'true') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->flow = 1;
- }
- if ($sequencing['attrs']['FORWARDONLY'] == 'true') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->forwardonly = 1;
- }
- if ($sequencing['attrs']['USECURRENTATTEMPTOBJECTINFO'] == 'true') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->usecurrentattemptobjectinfo = 1;
- }
- if ($sequencing['attrs']['USECURRENTATTEMPTPROGRESSINFO'] == 'true') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->usecurrentattemptprogressinfo = 1;
- }
- }
- if ($sequencing['name']=='ADLSEQ:CONSTRAINEDCHOICECONSIDERATIONS') {
- if ($sequencing['attrs']['CONSTRAINCHOICE'] == 'true') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->constrainChoice = 1;
- }
- if ($sequencing['attrs']['PREVENTACTIVATION'] == 'true') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->preventactivation = 1;
- }
-
- }
- if ($sequencing['name']=='IMSSS:OBJECTIVES') {
- foreach ($sequencing['children'] as $objective) {
- if ($objective['name']=='IMSSS:PRIMARYOBJECTIVE') {
- foreach ($objective['children'] as $primaryobjective) {
- if ($primaryobjective['name']=='IMSSS:MINNORMALIZEDMEASURE') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->minnormalizedmeasure = $primaryobjective['tagData'];
- }
- }
- }
- }
- }
- if ($sequencing['name']=='IMSSS:LIMITCONDITIONS') {
- if (!empty($sequencing['attrs']['ATTEMPTLIMIT'])) {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->attemptLimit = $sequencing['attrs']['ATTEMPTLIMIT'];
- }
- if (!empty($sequencing['attrs']['ATTEMPTABSOLUTEDURATIONLIMIT'])) {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->attemptAbsoluteDurationLimit = $sequencing['attrs']['ATTEMPTABSOLUTEDURATIONLIMIT'];
- }
- }
- if ($sequencing['name']=='IMSSS:ROLLUPRULES') {
- $rolluprules = array();
- if (!empty($sequencing['attrs']['ROLLUPOBJECTIVESATISFIED'])) {
- if ($sequencing['attrs']['ROLLUPOBJECTIVESATISFIED']== 'false') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->rollupobjectivesatisfied = 0;
- }
- }
- if (!empty($sequencing['attrs']['ROLLUPPROGRESSCOMPLETION'])) {
- if ($sequencing['attrs']['ROLLUPPROGRESSCOMPLETION']== 'false') {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->rollupprogresscompletion = 0;
- }
- }
- if (!empty($sequencing['attrs']['OBJECTIVEMEASUREWEIGHT'])) {
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->objectivemeasureweight = $sequencing['attrs']['OBJECTIVEMEASUREWEIGHT'];
- }
-
- if (!empty($sequencing['children'])){
- foreach ($sequencing['children'] as $sequencingrolluprule) {
- if ($sequencingrolluprule['name']=='IMSSS:ROLLUPRULE' ) {
- $rolluprule = new stdClass();
- if ($sequencingrolluprule['attrs']['CHILDACTIVITYSET'] !=' ') {
- $rolluprule->childactivityset = $sequencingrolluprule['attrs']['CHILDACTIVITYSET'];
- if (!empty($sequencingrolluprule['children'])) {
- foreach ($sequencingrolluprule['children'] as $rolluproleconditions) {
- if ($rolluproleconditions['name']=='IMSSS:ROLLUPCONDITIONS') {
- $conditions = array();
- if (!empty($rolluproleconditions['attrs']['conditionCombination'])) {
- $rolluprule->conditionCombination = $rolluproleconditions['attrs']['conditionCombination'];
- }
- foreach ($rolluproleconditions['children'] as $rolluprulecondition) {
- if ($rolluprulecondition['name']=='IMSSS:ROLLUPCONDITION') {
- $condition = new stdClass();
- if (!empty($rolluprulecondition['attrs']['OPERATOR'])) {
- $condition->operator = $rolluprulecondition['attrs']['OPERATOR'];
- }
- if (!empty($rolluprulecondition['attrs']['CONDITION'])) {
- $condition->condition = $rolluprulecondition['attrs']['CONDITION'];
- }
- array_push($conditions,$condition);
- }
- }
- $rolluprule->conditions = $conditions;
- }
- if ($rolluproleconditions['name']=='IMSSS:ROLLUPACTION') {
- $rolluprule->rollupruleaction = $rolluproleconditions['attrs']['ACTION'];
- }
- }
- }
- }
- array_push($rolluprules, $rolluprule);
- }
- }
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->rolluprules = $rolluprules;
- }
-
- if ($sequencing['name']=='IMSSS:SEQUENCINGRULES') {
- $sequencingrules = array();
- foreach ($sequencing['children'] as $conditionrules) {
- if ($conditionrules['name']=='IMSSS:EXITCONDITIONRULE') {
- $sequencingrule = new stdClass();
- if (!empty($conditionrules['children'])) {
- foreach ($conditionrules['children'] as $conditionrule) {
- if ($conditionrule['name']=='IMSSS:RULECONDITIONS') {
- $ruleconditions = array();
- if (!empty($conditionrule['attrs']['conditionCombination'])) {
- $sequencingrule->conditionCombination = $conditionrule['attrs']['conditionCombination'];
- }
- foreach ($conditionrule['children'] as $rulecondition) {
- if ($rulecondition['name']=='IMSSS:RULECONDITION') {
- $condition = new stdClass();
- if (!empty($rulecondition['attrs']['OPERATOR'])) {
- $condition->operator = $rulecondition['attrs']['OPERATOR'];
- }
- if (!empty($rulecondition['attrs']['CONDITION'])) {
- $condition->condition = $rulecondition['attrs']['CONDITION'];
- }
- if (!empty($rulecondition['attrs']['MEASURETHRESHOLD'])) {
- $condition->measurethreshold = $rulecondition['attrs']['MEASURETHRESHOLD'];
- }
- if (!empty($rulecondition['attrs']['REFERENCEDOBJECTIVE'])) {
- $condition->referencedobjective = $rulecondition['attrs']['REFERENCEDOBJECTIVE'];
- }
- array_push($ruleconditions,$condition);
- }
- }
- $sequencingrule->ruleconditions = $ruleconditions;
- }
- if ($conditionrule['name']=='IMSSS:RULEACTION') {
- $sequencingrule->exitconditionruleaction = $conditionrule['attrs']['ACTION'];
- }
- }
- }
- array_push($sequencingrules,$sequencingrule);
- }
- if ($conditionrules['name']=='IMSSS:PRECONDITIONRULE') {
- $sequencingrule = new stdClass();
- if (!empty($conditionrules['children'])) {
- foreach ($conditionrules['children'] as $conditionrule) {
- if ($conditionrule['name']=='IMSSS:RULECONDITIONS') {
- $ruleconditions = array();
- if (!empty($conditionrule['attrs']['conditionCombination'])) {
- $sequencingrule->conditionCombination = $conditionrule['attrs']['conditionCombination'];
- }
- foreach ($conditionrule['children'] as $rulecondition) {
- if ($rulecondition['name']=='IMSSS:RULECONDITION') {
- $condition = new stdClass();
- if (!empty($rulecondition['attrs']['OPERATOR'])) {
- $condition->operator = $rulecondition['attrs']['OPERATOR'];
- }
- if (!empty($rulecondition['attrs']['CONDITION'])) {
- $condition->condition = $rulecondition['attrs']['CONDITION'];
- }
- if (!empty($rulecondition['attrs']['MEASURETHRESHOLD'])) {
- $condition->measurethreshold = $rulecondition['attrs']['MEASURETHRESHOLD'];
- }
- if (!empty($rulecondition['attrs']['REFERENCEDOBJECTIVE'])) {
- $condition->referencedobjective = $rulecondition['attrs']['REFERENCEDOBJECTIVE'];
- }
- array_push($ruleconditions,$condition);
- }
- }
- $sequencingrule->ruleconditions = $ruleconditions;
- }
- if ($conditionrule['name']=='IMSSS:RULEACTION') {
- $sequencingrule->preconditionruleaction = $conditionrule['attrs']['ACTION'];
- }
- }
- }
- array_push($sequencingrules,$sequencingrule);
- }
- if ($conditionrules['name']=='IMSSS:POSTCONDITIONRULE') {
- $sequencingrule = new stdClass();
- if (!empty($conditionrules['children'])) {
- foreach ($conditionrules['children'] as $conditionrule) {
- if ($conditionrule['name']=='IMSSS:RULECONDITIONS'){
- $ruleconditions = array();
- if (!empty($conditionrule['attrs']['conditionCombination'])){
- $sequencingrule->conditionCombination = $conditionrule['attrs']['conditionCombination'];
- }
- foreach ($conditionrule['children'] as $rulecondition){
- if ($rulecondition['name']=='IMSSS:RULECONDITION'){
- $condition = new stdClass();
- if (!empty($rulecondition['attrs']['OPERATOR'])){
- $condition->operator = $rulecondition['attrs']['OPERATOR'];
- }
- if (!empty($rulecondition['attrs']['CONDITION'])){
- $condition->condition = $rulecondition['attrs']['CONDITION'];
- }
- if (!empty($rulecondition['attrs']['MEASURETHRESHOLD'])){
- $condition->measurethreshold = $rulecondition['attrs']['MEASURETHRESHOLD'];
- }
- if (!empty($rulecondition['attrs']['REFERENCEDOBJECTIVE'])){
- $condition->referencedobjective = $rulecondition['attrs']['REFERENCEDOBJECTIVE'];
- }
- array_push($ruleconditions,$condition);
- }
- }
- $sequencingrule->ruleconditions = $ruleconditions;
- }
- if ($conditionrule['name']=='IMSSS:RULEACTION'){
- $sequencingrule->postconditionruleaction = $conditionrule['attrs']['ACTION'];
- }
- }
- }
- array_push($sequencingrules,$sequencingrule);
- }
- $scoes->elements[$manifest][$parent->organization][$parent->identifier]->sequencingrules = $sequencingrules;
- }
- }
- }
- break;
- // End Add
- }
+function scorm_get_last_attempt($scormid, $userid) {
+/// Find the last attempt number for the given user id and scorm id
+ if ($lastattempt = get_record('scorm_scoes_track', 'userid', $userid, 'scormid', $scormid, '', '', 'max(attempt) as a')) {
+ if (empty($lastattempt->a)) {
+ return '1';
+ } else {
+ return $lastattempt->a;
}
}
- return $scoes;
}
-function scorm_parse_scorm($pkgdir,$scormid) {
- global $CFG;
-
- $launch = 0;
- $manifestfile = $pkgdir.'/imsmanifest.xml';
-
- if (is_file($manifestfile)) {
-
- $xmlstring = file_get_contents($manifestfile);
- $objXML = new xml2Array();
- $manifests = $objXML->parse($xmlstring);
- // print_r($manifests);
- $scoes = new stdClass();
- $scoes->version = '';
- $scoes = scorm_get_manifest($manifests,$scoes);
-
- if (count($scoes->elements) > 0) {
- $olditems = get_records('scorm_scoes','scorm',$scormid);
- foreach ($scoes->elements as $manifest => $organizations) {
- foreach ($organizations as $organization => $items) {
- foreach ($items as $identifier => $item) {
- $item->scorm = $scormid;
- $item->manifest = $manifest;
- $item->organization = $organization;
- if ($olditemid = scorm_array_search('identifier',$item->identifier,$olditems)) {
- $item->id = $olditemid;
- $id = update_record('scorm_scoes',$item);
- unset($olditems[$olditemid]);
- } else {
- $id = insert_record('scorm_scoes',$item);
- }
- // Added by Pham Minh Duc
- $item->scormid = $scormid;
- $item->scoid = $id;
- $idControlMode = insert_record('scorm_sequencing_controlmode',$item);
-
- if (!empty($item->sequencingrules)) {
- foreach($item->sequencingrules as $sequencingrule) {
- $sequencingrule->scormid = $scormid;
- $sequencingrule->scoid = $item->scoid;
- $idruleconditions = insert_record('scorm_sequencing_ruleconditions',$sequencingrule);
- foreach($sequencingrule->ruleconditions as $rulecondition) {
- $rulecondition->scormid = $sequencingrule->scormid;
- $rulecondition->scoid = $sequencingrule->scoid;
- $rulecondition->ruleconditionsid = $idruleconditions;
- $idrulecondition = insert_record('scorm_sequencing_rulecondition',$rulecondition);
- }
- }
- }
-
- if (!empty($item->rolluprules)) {
- $idControlMode = insert_record('scorm_sequencing_rolluprules',$item);
- foreach($item->rolluprules as $rollup) {
- $rollup->rolluprulesid =$idControlMode;
- $rollup->scormid = $scormid;
- $rollup->scoid = $item->scoid;
+function scorm_parse($scorm) {
+ global $CFG,$repositoryconfigfile;
- $idRollupRule = insert_record('scorm_sequencing_rolluprule',$rollup);
- $rollup->rollupruleid = $idRollupRule;
- $idconditions = insert_record('scorm_sequencing_rollupruleconditions',$rollup);
- foreach($rollup->conditions as $condition){
- $condition->ruleconditionsid = $idconditions;
- $condition->scormid = $rollup->scormid;
- $condition->scoid = $rollup->scoid;
- $idcondition = insert_record('scorm_sequencing_rolluprulecondition',$condition);
- }
- }
- }
- // End Add
- if (($launch == 0) && ((empty($scoes->defaultorg)) || ($scoes->defaultorg == $identifier))) {
- $launch = $id;
- }
- }
- }
- }
- if (!empty($olditems)) {
- foreach($olditems as $olditem) {
- delete_records('scorm_scoes','id',$olditem->id);
- delete_records('scorm_scoes_track','scoid',$olditem->id);
- }
- }
- set_field('scorm','version',$scoes->version,'id',$scormid);
+ // Parse scorm manifest
+ if ($scorm->pkgtype == 'AICC') {
+ require_once('datamodels/aicclib.php');
+ $scorm->launch = scorm_parse_aicc($scorm->dir.'/'.$scorm->id,$scorm->id);
+ } else {
+ require_once('datamodels/scormlib.php');
+ $reference = $scorm->reference;
+ if ($scorm->reference[0] == '#') {
+ require_once($repositoryconfigfile);
+ $reference = $CFG->repository.substr($scorm->reference,1).'/imsmanifest.xml';
+ } else if (substr($reference,0,7) != 'http://') {
+ $reference = $CFG->dataroot.'/'.$scorm->course.'/'.$scorm->reference;
}
- }
-
- return $launch;
-}
-function scorm_array_search($item, $needle, $haystacks, $strict=false) {
- if (!empty($haystacks)) {
- foreach ($haystacks as $key => $element) {
- if ($strict) {
- if ($element->{$item} === $needle) {
- return $key;
- }
- } else {
- if ($element->{$item} == $needle) {
- return $key;
- }
- }
+ if (basename($reference) != 'imsmanifest.xml') {
+ $scorm->launch = scorm_parse_scorm($scorm->dir.'/'.$scorm->id,$scorm->id);
+ } else {
+ $scorm->launch = scorm_parse_scorm(dirname($reference),$scorm->id);
}
}
- return false;
+ return $scorm->launch;
}
function scorm_course_format_display($user,$course) {
}
$colspan = '';
$headertext = '<table width="100%"><tr><td class="title">'.get_string('name').': <b>'.format_string($scorm->name).'</b>';
- if (isteacher($course->id, $user->id, true)) {
+ if (has_capability('moodle/course:manageactivities', $context)) {
if (isediting($course->id)) {
// Display update icon
$path = $CFG->wwwroot.'/course';
print_simple_box($headertext,'','100%');
scorm_view_display($user, $scorm, 'view.php?id='.$course->id, $cm, '100%');
} else {
- if (isteacheredit($course->id, $user->id)) {
+ if (has_capability('moodle/course:', $context)) {
// Create a new activity
- redirect('mod.php?id='.$course->id.'&section=0&sesskey='.sesskey().'&add=scorm');
+ redirect($CFG->wwwroot.'/course/mod.php?id='.$course->id.'&section=0&sesskey='.sesskey().'&add=scorm');
} else {
notify('Could not find a scorm course here');
}
echo '</div>';
}
-function scorm_view_display ($user, $scorm, $action, $cm, $blockwidth='') {
+function scorm_view_display ($user, $scorm, $action, $cm, $boxwidth='') {
global $CFG;
$organization = optional_param('organization', '', PARAM_INT);
- print_simple_box_start('center',$blockwidth);
+ print_simple_box_start('center',$boxwidth);
?>
<div class="structurehead"><?php print_string('coursestruct','scorm') ?></div>
<?php
$orgidentifier = $org->organization;
}
}
+ $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR)); // Just to be safe
+ require_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php');
+
$result = scorm_get_toc($user,$scorm,'structlist',$orgidentifier);
$incomplete = $result->incomplete;
echo $result->toc;
<div class="center">
<form name="theform" method="post" action="<?php echo $CFG->wwwroot ?>/mod/scorm/player.php?id=<?php echo $cm->id ?>"<?php echo $scorm->popup == 1?' target="newwin"':'' ?>>
<?php
- // Added by Pham Minh Duc
- $suspend = get_record("scorm_suspendtrack","scormid",$scorm->id,"userid",$user->id);
- // End Add
if ($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";
if ($incomplete === true) {
echo '<input type="radio" id="n" name="mode" value="normal" checked="checked" /><label for="n">'.get_string('normal','scorm')."</label>\n";
- // Added by Pham Minh Duc
- if (!empty($suspend)) {
- echo '<input type="radio" id="n" name="mode" value="continue" checked="checked" /><label for="n">'.get_string('continue','scorm')."</label>\n";
- }
- // End Add
- } else {
- echo '<input type="radio" id="r" name="mode" value="review" checked="checked" /><label for="r">'.get_string('review','scorm')."</label>\n";
}
} else {
if ($incomplete === true) {
<?php
}
-function scorm_repeater($what, $times) {
- if ($times <= 0) {
- return null;
- }
- $return = '';
- for ($i=0; $i<$times;$i++) {
- $return .= $what;
- }
- return $return;
-}
-
-/* Usage
- Grab some XML data, either from a file, URL, etc. however you want. Assume storage in $strYourXML;
-
- $objXML = new xml2Array();
- $arrOutput = $objXML->parse($strYourXML);
- print_r($arrOutput); //print it out, or do whatever!
-
-*/
-class xml2Array {
-
- var $arrOutput = array();
- var $resParser;
- var $strXmlData;
-
- /**
- * Convert a utf-8 string to html entities
- *
- * @param string $str The UTF-8 string
- * @return string
- */
- function utf8_to_entities($str) {
- global $CFG;
-
- $entities = '';
- $values = array();
- $lookingfor = 1;
-
- if (empty($CFG->unicodedb)) { // If Unicode DB support enable does not convert string
- $textlib = textlib_get_instance();
- for ($i = 0; $i < $textlib->strlen($str,'utf-8'); $i++) {
- $thisvalue = ord($str[$i]);
- if ($thisvalue < 128) {
- $entities .= $str[$i]; // Leave ASCII chars unchanged
- } else {
- if (count($values) == 0) {
- $lookingfor = ($thisvalue < 224) ? 2 : 3;
- }
- $values[] = $thisvalue;
- if (count($values) == $lookingfor) {
- $number = ($lookingfor == 3) ?
- (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64):
- (($values[0] % 32) * 64) + ($values[1] % 64);
- $entities .= '&#' . $number . ';';
- $values = array();
- $lookingfor = 1;
- }
- }
- }
- return $entities;
- } else {
- return $str;
- }
- }
-
- /**
- * Parse an XML text string and create an array tree that rapresent the XML structure
- *
- * @param string $strInputXML The XML string
- * @return array
- */
- function parse($strInputXML) {
- $this->resParser = xml_parser_create ('UTF-8');
- xml_set_object($this->resParser,$this);
- xml_set_element_handler($this->resParser, "tagOpen", "tagClosed");
-
- xml_set_character_data_handler($this->resParser, "tagData");
-
- $this->strXmlData = xml_parse($this->resParser,$strInputXML );
- if(!$this->strXmlData) {
- die(sprintf("XML error: %s at line %d",
- xml_error_string(xml_get_error_code($this->resParser)),
- xml_get_current_line_number($this->resParser)));
- }
-
- xml_parser_free($this->resParser);
-
- return $this->arrOutput;
- }
-
- function tagOpen($parser, $name, $attrs) {
- $tag=array("name"=>$name,"attrs"=>$attrs);
- array_push($this->arrOutput,$tag);
- }
-
- function tagData($parser, $tagData) {
- if(trim($tagData)) {
- if(isset($this->arrOutput[count($this->arrOutput)-1]['tagData'])) {
- $this->arrOutput[count($this->arrOutput)-1]['tagData'] .= $this->utf8_to_entities($tagData);
- } else {
- $this->arrOutput[count($this->arrOutput)-1]['tagData'] = $this->utf8_to_entities($tagData);
- }
- }
- }
-
- function tagClosed($parser, $name) {
- $this->arrOutput[count($this->arrOutput)-2]['children'][] = $this->arrOutput[count($this->arrOutput)-1];
- array_pop($this->arrOutput);
- }
-
-}
-
-//
-// Functions added by Pham Minh Duc
-//
-function scorm_get_score_from_parent($sco,$userid,$grademethod=VALUESCOES) {
- $scores = NULL;
- $scores->scoes = 0;
- $scores->values = 0;
- $scores->scaled = 0;
- $scores->max = 0;
- $scores->sum = 0;
-
- $scoes_total = 0;
- $scoes_count = 0;
- $attempt = scorm_get_last_attempt($sco->scorm, $userid);
- $scoes = get_records('scorm_scoes', 'parent', $sco->identifier);
- foreach ($scoes as $sco)
- {
- $scoes_total++;
- if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
- if (($userdata->status == 'completed') || ($userdata->success_status == 'passed')) {
- $scoes_count++;
- }
-
- $scoreraw = $userdata->score_raw;
- if (!empty($userdata->score_raw)) {
- $scores->values++;
- $scores->sum += $userdata->score_raw;
- $scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
- }
- if (!empty($userdata->score_scaled)) {
- $scores->scaled = $scores->scaled + $userdata->score_scaled;
- }
- }
- }
- if ($scoes_count > 0) {
- $scores->scaled = ($scores->scaled)/($scoes_count);
- }
- switch ($grademethod) {
- case VALUEHIGHEST:
- return $scores->max;
- break;
- case VALUEAVERAGE:
- if ($scores->values > 0) {
- return $scores->sum/$scores->values;
- } else {
- return 0;
- }
- break;
- case VALUESUM:
- return $scores->sum;
- break;
- case VALUESCOES:
- return $scores->scaled;
- break;
- }
-}
-
-function scorm_get_user_sco_count($scormid, $userid) {
- $scoes_count = 0;
- $attempt = scorm_get_last_attempt($current->scorm, $userid);
- $scoes = get_records('scorm_scoes', 'scorm', $scormid);
-
- foreach ($scoes as $sco) {
- if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
- if (($userdata->status == 'completed') || ($userdata->success_status == 'passed')) {
- $scoes_count++;
- }
- }
- }
- return $scoes_count;
-}
-
-function scorm_grade_user_new($scoes, $userid, $grademethod=VALUESCOES) {
- $scores = NULL;
- $scores->scoes = 0;
- $scores->values = 0;
- $scores->scaled = 0;
- $scores->max = 0;
- $scores->sum = 0;
-
- if (!$scoes) {
- return '';
- }
- $current = current($scoes);
- $attempt = scorm_get_last_attempt($current->scorm, $userid);
- foreach ($scoes as $sco) {
- if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
- if (($userdata->status == 'completed') || ($userdata->success_status == 'passed')) {
- $scores->scoes++;
- }
- $scaled = $userdata->score_scaled;
- $scoreraw = $userdata->score_raw;
- if ($scaled ==0){
- $scores->scaled = $scores->scaled / $scores->scoes;
- }
- if (!empty($userdata->score_raw)) {
- $scores->values++;
- $scores->sum += $userdata->score_raw;
- $scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
- }
- if (!empty($scaled)) {
- $scores->scaled = (($scores->scaled) * ($scores->scoes-1) + $scaled)/($scores->scoes);
- }
- }
- }
- switch ($grademethod) {
- case VALUEHIGHEST:
- return $scores->max;
- break;
- case VALUEAVERAGE:
- if ($scores->values > 0) {
- return $scores->sum/$scores->values;
- } else {
- return 0;
- }
- break;
- case VALUESUM:
- return $scores->sum;
- break;
- case VALUESCOES:
- return $scores->scaled;
- break;
- }
-}
-
-function scorm_insert_statistic($statisticInput){
- $id = null;
- if ($statistic = get_record_select('scorm_statistic',"userid='$statisticInput->userid' AND scormid='$statisticInput->scormid'")) {
-
- $statistic->durationtime = $statisticInput->duration;
- $statistic->accesstime = $statisticInput->accesstime;
- $statistic->status = $statisticInput->status;
- $statistic->attemptnumber = $statisticInput->attemptnumber;
- $id = update_record('scorm_statistic',$statistic);
- } else {
- $id = insert_record('scorm_statistic',$statisticInput);
- }
- return $id;
-}
-
-function scorm_insert_trackmodel($userid,$scormid,$scoid,$attempt) {
- $id = null;
- if ($suspendtrack = get_record_select('scorm_suspendtrack',"userid='$userid' AND scormid='$scormid'")) {
- $suspendtrack->suspendscoid = $scoid;
- $suspendtrack->attempt = $attempt;
- $id = update_record('scorm_suspendtrack',$suspendtrack);
- } else {
- $suspendtrack->scormid = $scormid;
- $suspendtrack->suspendscoid = $scoid;
- $suspendtrack->userid = $userid;
- $suspendtrack->attempt = $attempt;
- $id = insert_record('scorm_suspendtrack',$suspendtrack);
- }
- return $id;
-}
-
-function scorm_get_suspendscoid($scormid,$userid) {
- if ($sco = get_record("scorm_suspendtrack","scormid",$scormid,"userid",$userid)) {
- $suspendscoid = $sco->suspendscoid;
- return $suspendscoid;
- } else {
- return 0;
- }
-}
-
-function scorm_set_attempt($scoid,$userid) {
- if ($scormid = get_field('scorm_scoes','scorm','id',$scoid)) {
- $attempt = scorm_get_last_attempt($scormid,$userid);
- } else {
- $attempt = 1;
- }
- $scormtype = get_field('scorm_scoes','scormtype','id',$scoid) ;
- if ($scormtype == 'sco'){
- $element = 'cmi.attempt_status';
- $value = 'attempted';
- scorm_insert_track($userid,$scormid,$scoid,$attempt,$element,$value);
- }
-}
-
-function scorm_get_AbsoluteTimeLimit($scoid){
- $sco = get_record("scorm_scoes","id",$scoid);
- if (!empty($sco)){
- return $sco->attemptAbsoluteDurationLimit;
- }
- return 0;
-}
-
-function scorm_update_status($scormid,$scoid)
-{
-
-}
-
-function scorm_get_nextsco($scormid,$scoid)
-{
-
-}
-
-function scorm_get_presco($scormid,$scoid)
-{
-
-}
-
-function scorm_isChoice($scormid,$scoid)
-{
- $sco = get_record("scorm_sequencing_controlmode","scormid",$scormid,"scoid",$scoid);
- $scoparent = get_record("scorm_sequencing_controlmode","scormid",$scormid,"identifier",$sco->parent);
-
- return $scoparent->choice;
-}
-
-function scorm_isChoiceexit($scormid,$scoid)
-{
- $sco = get_record("scorm_sequencing_controlmode","scormid",$scormid,"scoid",$scoid);
- $scoparent = get_record("scorm_sequencing_controlmode","scormid",$scormid,"identifier",$sco->parent);
-
- return $scoparent->choiceexit;
-}
-// End add
?>