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- <?php // $Id: index.php 16620 2008-10-25 20:03:54Z yannoo $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2008 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact: Dokeos, rue Notre Dame, 152, B-1140 Evere, Belgium, info@dokeos.com
- ==============================================================================
- */
- /**
- * This (abstract?) class defines the parent attributes and methods for the dokeos learnpaths and scorm
- * learnpaths. It is used by the scorm class as well as the dokeos_lp class.
- * @package dokeos.learnpath
- * @author Yannick Warnier <ywarnier@beeznest.org>
- * @license GNU/GPL - See Dokeos license directory for details
- */
- /**
- * Defines the learnpath parent class
- * @package dokeos.learnpath
- */
- class learnpath {
- var $attempt = 0; //the number for the current ID view
- var $cc; //course (code) this learnpath is located in
- var $current; //id of the current item the user is viewing
- var $current_score; //the score of the current item
- var $current_time_start; //the time the user loaded this resource (this does not mean he can see it yet)
- var $current_time_stop; //the time the user closed this resource
- var $default_status = 'not attempted';
- var $encoding = 'ISO-8859-1';
- var $error = '';
- var $extra_information = ''; //this string can be used by proprietary SCORM contents to store data about the current learnpath
- var $force_commit = false; //for SCORM only - if set to true, will send a scorm LMSCommit() request on each LMSSetValue()
- var $index; //the index of the active learnpath_item in $ordered_items array
- var $items = array();
- var $last; //item_id of last item viewed in the learning path
- var $last_item_seen = 0; //in case we have already come in this learnpath, reuse the last item seen if authorized
- var $license; //which license this course has been given - not used yet on 20060522
- var $lp_id; //DB ID for this learnpath
- var $lp_view_id; //DB ID for lp_view
- var $log_file; //file where to log learnpath API msg
- var $maker; //which maker has conceived the content (ENI, Articulate, ...)
- var $message = '';
- var $mode='embedded'; //holds the video display mode (fullscreen or embedded)
- var $name; //learnpath name (they generally have one)
- var $ordered_items = array(); //list of the learnpath items in the order they are to be read
- var $path = ''; //path inside the scorm directory (if scorm)
- var $theme; // the current theme of the learning path
- var $preview_image; // the current image of the learning path
-
- // Tells if all the items of the learnpath can be tried again. Defaults to "no" (=1)
- var $prevent_reinit = 1;
-
- // Describes the mode of progress bar display
- var $progress_bar_mode = '%';
-
- // Percentage progress as saved in the db
- var $progress_db = '0';
- var $proximity; //wether the content is distant or local or unknown
- var $refs_list = array(); //list of items by ref => db_id. Used only for prerequisites match.
- //!!!This array (refs_list) is built differently depending on the nature of the LP.
- //If SCORM, uses ref, if Dokeos, uses id to keep a unique value
- var $type; //type of learnpath. Could be 'dokeos', 'scorm', 'scorm2004', 'aicc', ...
- //TODO check if this type variable is useful here (instead of just in the controller script)
- var $user_id; //ID of the user that is viewing/using the course
- var $update_queue = array();
- var $scorm_debug = 0;
-
- var $arrMenu = array(); //array for the menu items
- var $debug = 1; //logging level
- /**
- * Class constructor. Needs a database handler, a course code and a learnpath id from the database.
- * Also builds the list of items into $this->items.
- * @param string Course code
- * @param integer Learnpath ID
- * @param integer User ID
- * @return boolean True on success, false on error
- */
- function learnpath($course, $lp_id, $user_id) {
- //check params
- //check course code
- if($this->debug>0){error_log('New LP - In learnpath::learnpath('.$course.','.$lp_id.','.$user_id.')',0);}
- if(empty($course)){
- $this->error = 'Course code is empty';
- return false;
- }
- else
- {
- $main_table = Database::get_main_table(TABLE_MAIN_COURSE);
- //$course = Database::escape_string($course);
- $course = $this->escape_string($course);
- $sql = "SELECT * FROM $main_table WHERE code = '$course'";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Querying course: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0)
- {
- $this->cc = $course;
- }
- else
- {
- $this->error = 'Course code does not exist in database ('.$sql.')';
- return false;
- }
- }
- //check learnpath ID
- if(empty($lp_id))
- {
- $this->error = 'Learnpath ID is empty';
- return false;
- }
- else
- {
- //TODO make it flexible to use any course_code (still using env course code here)
- $lp_table = Database::get_course_table('lp');
- //$id = Database::escape_integer($id);
- $lp_id = $this->escape_string($lp_id);
- $sql = "SELECT * FROM $lp_table WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Querying lp: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0)
- {
- $this->lp_id = $lp_id;
- $row = Database::fetch_array($res);
- $this->type = $row['lp_type'];
- $this->name = stripslashes($row['name']);
- $this->encoding = $row['default_encoding'];
- $this->proximity = $row['content_local'];
- $this->theme = $row['theme'];
- $this->maker = $row['content_maker'];
- $this->prevent_reinit = $row['prevent_reinit'];
- $this->license = $row['content_license'];
- $this->scorm_debug = $row['debug'];
- $this->js_lib = $row['js_lib'];
- $this->path = $row['path'];
- $this->preview_image= $row['preview_image'];
- $this->author= $row['author'];
-
- if($this->type == 2){
- if($row['force_commit'] == 1){
- $this->force_commit = true;
- }
- }
- $this->mode = $row['default_view_mod'];
- }
- else
- {
- $this->error = 'Learnpath ID does not exist in database ('.$sql.')';
- return false;
- }
- }
- //check user ID
- if(empty($user_id)){
- $this->error = 'User ID is empty';
- return false;
- }
- else
- {
- //$main_table = Database::get_main_user_table();
- $main_table = Database::get_main_table(TABLE_MAIN_USER);
- //$user_id = Database::escape_integer($user_id);
- $user_id = $this->escape_string($user_id);
- $sql = "SELECT * FROM $main_table WHERE user_id = '$user_id'";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Querying user: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0)
- {
- $this->user_id = $user_id;
- }
- else
- {
- $this->error = 'User ID does not exist in database ('.$sql.')';
- return false;
- }
- }
- //end of variables checking
-
- //now get the latest attempt from this user on this LP, if available, otherwise create a new one
- $lp_table = Database::get_course_table(TABLE_LP_VIEW);
- //selecting by view_count descending allows to get the highest view_count first
- $sql = "SELECT * FROM $lp_table WHERE lp_id = '$lp_id' AND user_id = '$user_id' ORDER BY view_count DESC";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - querying lp_view: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $view_id = 0; //used later to query lp_item_view
- if(Database::num_rows($res)>0)
- {
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Found previous view',0);}
- $row = Database::fetch_array($res);
- $this->attempt = $row['view_count'];
- $this->lp_view_id = $row['id'];
- $this->last_item_seen = $row['last_item'];
- $this->progress_db = $row['progress'];
- }
- else
- {
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - NOT Found previous view',0);}
- $this->attempt = 1;
- $sql_ins = "INSERT INTO $lp_table (lp_id,user_id,view_count) VALUES ($lp_id,$user_id,1)";
- $res_ins = api_sql_query($sql_ins, __FILE__, __LINE__);
- $this->lp_view_id = Database::get_last_insert_id();
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - inserting new lp_view: '.$sql_ins,0);}
- }
- //initialise items
- $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM $lp_item_table WHERE lp_id = '".$this->lp_id."' ORDER BY parent_item_id, display_order";
- $res = api_sql_query($sql, __FILE__, __LINE__);
-
- while($row = Database::fetch_array($res))
- {
- $oItem = '';
- //$this->ordered_items[] = $row['id'];
- switch($this->type){
-
- case 3: //aicc
- $oItem = new aiccItem('db',$row['id']);
- if(is_object($oItem)){
- $my_item_id = $oItem->get_id();
- $oItem->set_lp_view($this->lp_view_id);
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$oItem->ref]=$my_item_id;
- if($this->debug>2){error_log('New LP - learnpath::learnpath() - aicc object with id '.$my_item_id.' set in items[]',0);}
- }
- break;
- case 2:
- require_once('scorm.class.php');
- require_once('scormItem.class.php');
- $oItem = new scormItem('db',$row['id']);
- if(is_object($oItem)){
- $my_item_id = $oItem->get_id();
- $oItem->set_lp_view($this->lp_view_id);
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$oItem->ref]=$my_item_id;
- if($this->debug>2){error_log('New LP - object with id '.$my_item_id.' set in items[]',0);}
- }
- break;
- case 1:
- default:
- require_once('learnpathItem.class.php');
- $oItem = new learnpathItem($row['id'],$user_id);
- if(is_object($oItem)){
- $my_item_id = $oItem->get_id();
- //$oItem->set_lp_view($this->lp_view_id); moved down to when we are sure the item_view exists
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$my_item_id]=$my_item_id;
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - object with id '.$my_item_id.' set in items[]',0);}
- }
- break;
- }
- //items is a list of pointers to all items, classified by DB ID, not SCO id
- if($row['parent_item_id'] == 0 OR empty($this->items[$row['parent_item_id']])){
- $this->items[$row['id']]->set_level(0);
- }else{
- $level = $this->items[$row['parent_item_id']]->get_level()+1;
- $this->items[$row['id']]->set_level($level);
- if(is_object($this->items[$row['parent_item_id']])){
- //items is a list of pointers from item DB ids to item objects
- $this->items[$row['parent_item_id']]->add_child($row['id']);
- }else{
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - The parent item ('.$row['parent_item_id'].') of item '.$row['id'].' could not be found',0);}
- }
- }
- //get last viewing vars
- $lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- //this query should only return one or zero result
- $sql = "SELECT * " .
- "FROM $lp_item_view_table " .
- "WHERE lp_view_id = ".$this->lp_view_id." " .
- "AND lp_item_id = ".$row['id']." ORDER BY view_count DESC ";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() - Selecting item_views: '.$sql,0);}
- //get the item status
- $res2 = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res2)>0)
- {
- //if this learnpath has already been used by this user, get his last attempt count and
- //the last item seen back into this object
- //$max = 0;
- $row2 = Database::fetch_array($res2);
- if($this->debug>2){error_log('New LP - learnpath::learnpath() - Got item_view: '.print_r($row2,true),0);}
- $this->items[$row['id']]->set_status($row2['status']);
- if(empty($row2['status'])){
- $this->items[$row['id']]->set_status($this->default_status);
- }
- //$this->attempt = $row['view_count'];
- //$this->last_item = $row['id'];
- }
- else //no item found in lp_item_view for this view
- {
- //first attempt from this user. Set attempt to 1 and last_item to 0 (first item available)
- //TODO if the learnpath has not got attempts activated, always use attempt '1'
- //$this->attempt = 1;
- //$this->last_item = 0;
- $this->items[$row['id']]->set_status($this->default_status);
- //Add that row to the lp_item_view table so that we have something to show in the stats page
- $sql_ins = "INSERT INTO $lp_item_view_table " .
- "(lp_item_id, lp_view_id, view_count, status) VALUES " .
- "(".$row['id'].",".$this->lp_view_id.",1,'not attempted')";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Inserting blank item_view : '.$sql_ins,0);}
- $res_ins = api_sql_query($sql_ins, __FILE__, __LINE__);
- }
- //setting the view in the item object
- $this->items[$row['id']]->set_lp_view($this->lp_view_id);
- }
- $this->ordered_items = $this->get_flat_ordered_items_list($this->get_id(),0);
- $this->max_ordered_items = 0;
- foreach($this->ordered_items as $index=>$dummy){
- if($index > $this->max_ordered_items AND !empty($dummy)){
- $this->max_ordered_items = $index;
- }
- }
- //TODO define the current item better
- $this->first();
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - End of learnpath constructor for learnpath '.$this->get_id(),0);}
- }
-
- /**
- * Function rewritten based on old_add_item() from Yannick Warnier. Due the fact that users can decide where the item should come, I had to overlook this function and
- * I found it better to rewrite it. Old function is still available. Added also the possibility to add a description.
- *
- * @param int $parent
- * @param int $previous
- * @param string $type
- * @param int $id
- * @param string $title
- * @param string $description
- * @return int
- */
- function add_item($parent, $previous, $type = 'dokeos_chapter', $id, $title, $description, $prerequisites=0, $max_time_allowed=0)
- {
- global $charset;
-
- if($this->debug>0){error_log('New LP - In learnpath::add_item('.$parent.','.$previous.','.$type.','.$id.','.$title.')',0);}
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $parent = intval($parent);
- $previous = intval($previous);
- $type = $this->escape_string($type);
- $id = intval($id);
- $max_time_allowed = $this->escape_string(htmlentities($max_time_allowed));
- if (empty($max_time_allowed)) { $max_time_allowed = 0; }
-
- $title = $this->escape_string(mb_convert_encoding($title,$this->encoding,$charset));
- $description = $this->escape_string(mb_convert_encoding($description,$this->encoding,$charset));
-
- $sql_count = "
- SELECT COUNT(id) AS num
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->get_id() . " AND
- parent_item_id = " . $parent;
-
- $res_count = api_sql_query($sql_count, __FILE__, __LINE__);
- $row = Database::fetch_array($res_count);
-
- $num = $row['num'];
-
- if($num > 0) {
- if($previous == 0) {
- $sql = "
- SELECT
- id,
- next_item_id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->get_id() . " AND
- parent_item_id = " . $parent . " AND
- previous_item_id = 0 OR previous_item_id=".$parent;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $tmp_previous = 0;
- $next = $row['id'];
- $display_order = 0;
- } else {
- $previous = (int) $previous;
- $sql = "
- SELECT
- id,
- previous_item_id,
- next_item_id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->get_id() . " AND
- id = " . $previous;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $tmp_previous = $row['id'];
- $next = $row['next_item_id'];
-
- $display_order = $row['display_order'];
- }
- } else {
- $tmp_previous = 0;
- $next = 0;
- $display_order = 0;
- }
-
- $new_item_id = -1;
- $id = $this->escape_string($id);
-
- if($type == 'quiz') {
- $sql = 'SELECT SUM(ponderation)
- FROM '.Database :: get_course_table(TABLE_QUIZ_QUESTION).' as quiz_question
- INNER JOIN '.Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION).' as quiz_rel_question
- ON quiz_question.id = quiz_rel_question.question_id
- AND quiz_rel_question.exercice_id = '.$id;
- $rsQuiz = api_sql_query($sql, __FILE__, __LINE__);
- $max_score = Database::result($rsQuiz, 0, 0);
- } else {
- $max_score = 100;
- }
-
- if($prerequisites!=0) {
- $sql_ins = "
- INSERT INTO " . $tbl_lp_item . " (
- lp_id,
- item_type,
- ref,
- title,
- description,
- path,
- max_score,
- parent_item_id,
- previous_item_id,
- next_item_id,
- display_order,
- prerequisite,
- max_time_allowed
-
- ) VALUES (
- " . $this->get_id() . ",
- '" . $type . "',
- '',
- '" . $title . "',
- '" . $description . "',
- '" . $id . "',
- '" . $max_score. "',
- " . $parent . ",
- " . $previous . ",
- " . $next . ",
- " . ($display_order + 1) . ",
- " . $prerequisites . ",
- " . $max_time_allowed . "
- )";
- } else {
- //insert new item
- $sql_ins = "
- INSERT INTO " . $tbl_lp_item . " (
- lp_id,
- item_type,
- ref,
- title,
- description,
- path,
- max_score,
- parent_item_id,
- previous_item_id,
- next_item_id,
- display_order,
- max_time_allowed
- ) VALUES (
- " . $this->get_id() . ",
- '" . $type . "',
- '',
- '" . $title . "',
- '" . $description . "',
- '" . $id . "',
- '" . $max_score. "',
- " . $parent . ",
- " . $previous . ",
- " . $next . ",
- " . ($display_order + 1) . ",
- " . $max_time_allowed . "
- )";
- }
-
- if($this->debug>2){error_log('New LP - Inserting dokeos_chapter: '.$sql_ins,0);}
- $res_ins = api_sql_query($sql_ins, __FILE__, __LINE__);
-
- if($res_ins > 0)
- {
- $new_item_id = Database::get_last_insert_id($res_ins);
-
- //update the item that should come after the new item
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $new_item_id . "
- WHERE id = " . $next;
-
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
-
- //update the item that should be before the new item
- $sql_update_previous = "
- UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $new_item_id . "
- WHERE id = " . $tmp_previous;
-
- $res_update_previous = api_sql_query($sql_update_previous, __FILE__, __LINE__);
-
- //update all the items after the new item
- $sql_update_order = "
- UPDATE " . $tbl_lp_item . "
- SET display_order = display_order + 1
- WHERE
- lp_id = " . $this->get_id() . " AND
- id <> " . $new_item_id . " AND
- parent_item_id = " . $parent . " AND
- display_order > " . $display_order;
-
- $res_update_previous = api_sql_query($sql_update_order, __FILE__, __LINE__);
-
- //update the item that should come after the new item
- $sql_update_ref = "
- UPDATE " . $tbl_lp_item . "
- SET ref = " . $new_item_id . "
- WHERE id = " . $new_item_id;
-
- api_sql_query($sql_update_ref, __FILE__, __LINE__);
-
- }
-
- // upload audio
- if (!empty($_FILES['mp3']['name'])) {
- // create the audio folder if it does not exist yet
- global $_course;
- $filepath = api_get_path('SYS_COURSE_PATH').$_course['path'].'/document/';
- if(!is_dir($filepath.'audio')) {
- $perm = api_get_setting('permissions_for_new_directories');
- $perm = octdec(!empty($perm)?$perm:'0770');
- mkdir($filepath.'audio',$perm);
- $audio_id=add_document($_course,'/audio','folder',0,'audio');
- api_item_property_update($_course, TOOL_DOCUMENT, $audio_id, 'FolderCreated', api_get_user_id());
- }
-
- // upload the file in the documents tool
- include_once(api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php');
- $file_path = handle_uploaded_document($_course, $_FILES['mp3'],api_get_path('SYS_COURSE_PATH').$_course['path'].'/document','/audio',api_get_user_id(),'','','','','',false);
-
- // getting the filename only
- $file_components = explode('/',$file_path);
- $file = $file_components[count($file_components)-1];
-
- // store the mp3 file in the lp_item table
- $sql_insert_audio = "UPDATE $tbl_lp_item SET audio = '".Database::escape_string($file)."' WHERE id = '".Database::escape_string($new_item_id)."'";
- api_sql_query($sql_insert_audio, __FILE__, __LINE__);
- }
- return $new_item_id;
- }
-
- /**
- * Static admin function allowing addition of a learnpath to a course.
- * @param string Course code
- * @param string Learnpath name
- * @param string Learnpath description string, if provided
- * @param string Type of learnpath (default = 'guess', others = 'dokeos', 'aicc',...)
- * @param string Type of files origin (default = 'zip', others = 'dir','web_dir',...)
- * @param string Zip file containing the learnpath or directory containing the learnpath
- * @return integer The new learnpath ID on success, 0 on failure
- */
- function add_lp($course,$name,$description='',$learnpath='guess',$origin='zip',$zipname='')
- {
- //if($this->debug>0){error_log('New LP - In learnpath::add_lp()',0);}
- //TODO
- $tbl_lp = Database::get_course_table('lp');
- //check course code exists
- //check lp_name doesn't exist, otherwise append something
- $i = 0;
- $name = learnpath::escape_string(htmlentities($name)); //Kevin Van Den Haute: added htmlentities()
- $check_name = "SELECT * FROM $tbl_lp WHERE name = '$name'";
- //if($this->debug>2){error_log('New LP - Checking the name for new LP: '.$check_name,0);}
- $res_name = api_sql_query($check_name, __FILE__, __LINE__);
- while(Database::num_rows($res_name)){
- //there is already one such name, update the current one a bit
- $i++;
- $name = $name.' - '.$i;
- $check_name = "SELECT * FROM $tbl_lp WHERE name = '$name'";
- //if($this->debug>2){error_log('New LP - Checking the name for new LP: '.$check_name,0);}
- $res_name = api_sql_query($check_name, __FILE__, __LINE__);
- }
- //new name does not exist yet; keep it
- //escape description
- $description = learnpath::escape_string(htmlentities($description)); //Kevin: added htmlentities()
- $type = 1;
- switch($learnpath){
- case 'guess':
- break;
- case 'dokeos':
- $type = 1;
- break;
- case 'aicc':
- break;
- }
- switch($origin){
- case 'zip':
- //check zipname string. If empty, we are currently creating a new Dokeos learnpath
- break;
- case 'manual':
- default:
- $get_max = "SELECT MAX(display_order) FROM $tbl_lp";
- $res_max = api_sql_query($get_max, __FILE__, __LINE__);
- if(Database::num_rows($res_max)<1){
- $dsp = 1;
- }else{
- $row = Database::fetch_array($res_max);
- $dsp = $row[0]+1;
- }
- $sql_insert = "INSERT INTO $tbl_lp " .
- "(lp_type,name,description,path,default_view_mod," .
- "default_encoding,display_order,content_maker," .
- "content_local,js_lib) " .
- "VALUES ($type,'$name','$description','','embedded'," .
- "'UTF-8','$dsp','Dokeos'," .
- "'local','')";
- //if($this->debug>2){error_log('New LP - Inserting new lp '.$sql_insert,0);}
- $res_insert = api_sql_query($sql_insert, __FILE__, __LINE__);
- $id = Database::get_last_insert_id();
- if($id>0){
- //insert into item_property
- api_item_property_update(api_get_course_info(),TOOL_LEARNPATH,$id,'LearnpathAdded',api_get_user_id());
- return $id;
- }
- break;
- }
- }
- /**
- * Appends a message to the message attribute
- * @param string Message to append.
- */
- function append_message($string)
- {
- if($this->debug>0){error_log('New LP - In learnpath::append_message()',0);}
- $this->message .= $string;
- }
- /**
- * Autocompletes the parents of an item in case it's been completed or passed
- * @param integer Optional ID of the item from which to look for parents
- */
- function autocomplete_parents($item)
- {
- if($this->debug>0){error_log('New LP - In learnpath::autocomplete_parents()',0);}
- if(empty($item)){
- $item = $this->current;
- }
- $parent_id = $this->items[$item]->get_parent();
- if($this->debug>2){error_log('New LP - autocompleting parent of item '.$item.' (item '.$parent_id.')',0);}
- if(is_object($this->items[$item]) and !empty($parent_id))
- {//if $item points to an object and there is a parent
- if($this->debug>2){error_log('New LP - '.$item.' is an item, proceed',0);}
- $current_item =& $this->items[$item];
- $parent =& $this->items[$parent_id]; //get the parent
- //new experiment including failed and browsed in completed status
- $current_status = $current_item->get_status();
- if($current_item->is_done() || $current_status=='browsed' || $current_status=='failed')
- {
- //if the current item is completed or passes or succeeded
- $completed = true;
- if($this->debug>2){error_log('New LP - Status of current item is alright',0);}
- foreach($parent->get_children() as $child)
- {
- //check all his brothers (his parent's children) for completion status
- if($child!= $item)
- {
- if($this->debug>2){error_log('New LP - Looking at brother with ID '.$child.', status is '.$this->items[$child]->get_status(),0);}
- //if($this->items[$child]->status_is(array('completed','passed','succeeded')))
- //Trying completing parents of failed and browsed items as well
- if($this->items[$child]->status_is(array('completed','passed','succeeded','browsed','failed')))
- {
- //keep completion status to true
- }else{
- if($this->debug>2){error_log('New LP - Found one incomplete child of '.$parent_id.': '.$child.' is '.$this->items[$child]->get_status(),0);}
- $completed = false;
- }
- }
- }
- if($completed == true)
- { //if all the children were completed
- $parent->set_status('completed');
- $parent->save(false,$this->prerequisites_match($parent->get_id()));
- $this->update_queue[$parent->get_id()] = $parent->get_status();
- if($this->debug>2){error_log('New LP - Added parent to update queue '.print_r($this->update_queue,true),0);}
- $this->autocomplete_parents($parent->get_id()); //recursive call
- }
- }else{
- //error_log('New LP - status of current item is not enough to get bothered with it',0);
- }
- }
- }
- /**
- * Autosaves the current results into the database for the whole learnpath
- */
- function autosave()
- {
- if($this->debug>0){error_log('New LP - In learnpath::autosave()',0);}
- //TODO add aditionnal save operations for the learnpath itself
- }
- /**
- * Clears the message attribute
- */
- function clear_message()
- {
- if($this->debug>0){error_log('New LP - In learnpath::clear_message()',0);}
- $this->message = '';
- }
- /**
- * Closes the current resource
- *
- * Stops the timer
- * Saves into the database if required
- * Clears the current resource data from this object
- * @return boolean True on success, false on failure
- */
- function close()
- {
- if($this->debug>0){error_log('New LP - In learnpath::close()',0);}
- if(empty($this->lp_id))
- {
- $this->error = 'Trying to close this learnpath but no ID is set';
- return false;
- }
- $this->current_time_stop = time();
- if($this->save)
- {
- $learnpath_view_table = Database::get_course_table(TABLE_LP_VIEW);
- /*
- $sql = "UPDATE $learnpath_view_table " .
- "SET " .
- "stop_time = ".$this->current_time_stop.", " .
- "score = ".$this->current_score.", ".
- "WHERE learnpath_id = '".$this->lp_id."'";
- //$res = Database::query($sql);
- $res = api_sql_query($res);
- if(mysql_affected_rows($res)<1)
- {
- $this->error = 'Could not update learnpath_view table while closing learnpath';
- return false;
- }
- */
- }
- $this->ordered_items = array();
- $this->index=0;
- unset($this->lp_id);
- //unset other stuff
- return true;
- }
- /**
- * Static admin function allowing removal of a learnpath
- * @param string Course code
- * @param integer Learnpath ID
- * @param string Whether to delete data or keep it (default: 'keep', others: 'remove')
- * @return boolean True on success, false on failure (might change that to return number of elements deleted)
- */
- function delete($course=null,$id=null,$delete='keep')
- {
- //TODO implement a way of getting this to work when the current object is not set
- //In clear: implement this in the item class as well (abstract class) and use the given ID in queries
- //if(empty($course)){$course = api_get_course_id();}
- //if(empty($id)){$id = $this->get_id();}
- //If an ID is specifically given and the current LP is not the same,
- //prevent delete
- if(!empty($id) && ($id != $this->lp_id)){return false;}
- $lp = Database::get_course_table('lp');
- $lp_view = Database::get_course_table('lp_view');
- $lp_item_view = Database::get_course_table('lp_item_view');
-
- //if($this->debug>0){error_log('New LP - In learnpath::delete()',0);}
- //delete lp item id
- foreach($this->items as $id => $dummy) {
- //$this->items[$id]->delete();
- $sql_del_view = "DELETE FROM $lp_item_view WHERE lp_item_id = '".$id."'";
- $res_del_item_view=api_sql_query($sql_del_view,__FILE__,__LINE__);
- }
- $sql_del_view = "DELETE FROM $lp_view WHERE lp_id = ".$this->lp_id;
- //if($this->debug>2){error_log('New LP - Deleting views bound to lp '.$this->lp_id.': '.$sql_del_view,0);}
- $res_del_view = api_sql_query($sql_del_view, __FILE__, __LINE__);
- $this->toggle_publish($this->lp_id,'i');
- //if($this->debug>2){error_log('New LP - Deleting lp '.$this->lp_id.' of type '.$this->type,0);}
- if($this->type == 2 OR $this->type==3){
- //this is a scorm learning path, delete the files as well
- $sql = "SELECT path FROM $lp WHERE id = ".$this->lp_id;
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $path = $row['path'];
- $sql = "SELECT id FROM $lp WHERE path = '$path' AND id != ".$this->lp_id;
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0)
- { //another learning path uses this directory, so don't delete it
- if($this->debug>2){error_log('New LP - In learnpath::delete(), found other LP using path '.$path.', keeping directory',0);}
- }else{
- //no other LP uses that directory, delete it
- $course_rel_dir = api_get_course_path().'/scorm/'; //scorm dir web path starting from /courses
- $course_scorm_dir = api_get_path(SYS_COURSE_PATH).$course_rel_dir; //absolute system path for this course
- if($delete == 'remove' && is_dir($course_scorm_dir.$path) and !empty($course_scorm_dir)){
- if($this->debug>2){error_log('New LP - In learnpath::delete(), found SCORM, deleting directory: '.$course_scorm_dir.$path,0);}
- exec('rm -rf '.$course_scorm_dir.$path);
- }
- }
- }
- }
- $sql_del_lp = "DELETE FROM $lp WHERE id = ".$this->lp_id;
- //if($this->debug>2){error_log('New LP - Deleting lp '.$this->lp_id.': '.$sql_del_lp,0);}
- $res_del_lp = api_sql_query($sql_del_lp, __FILE__, __LINE__);
- $this->update_display_order();//updates the display order of all lps
- api_item_property_update(api_get_course_info(),TOOL_LEARNPATH,$this->lp_id,'delete',api_get_user_id());
-
- require_once '../gradebook/lib/be.inc.php';
- $tbl_grade_link = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
- //delete link of gradebook tool
- $sql='SELECT gl.id FROM '.$tbl_grade_link.' gl WHERE gl.type="4" AND gl.ref_id="'.$id.'";';
- $result=api_sql_query($sql,__FILE__,__LINE__);
- $row=Database::fetch_array($result,'ASSOC');
- $link= LinkFactory :: load($row['id']);
- if ($link[0] != null) {
- $link[0]->delete();
- }
- //TODO: also delete items and item-views
- if (api_get_setting('search_enabled') == 'true') {
- require_once(api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php');
- $r = delete_all_values_for_item($this->cc, TOOL_LEARNPATH, $this->lp_id);
- }
- }
- /**
- * Removes all the children of one item - dangerous!
- * @param integer Element ID of which children have to be removed
- * @return integer Total number of children removed
- */
- function delete_children_items($id){
- if($this->debug>0){error_log('New LP - In learnpath::delete_children_items('.$id.')',0);}
- $num = 0;
- if(empty($id) || $id != strval(intval($id))){return false;}
- $lp_item = Database::get_course_table('lp_item');
- $sql = "SELECT * FROM $lp_item WHERE parent_item_id = $id";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- while($row = Database::fetch_array($res)){
- $num += $this->delete_children_items($row['id']);
- $sql_del = "DELETE FROM $lp_item WHERE id = ".$row['id'];
- $res_del = api_sql_query($sql_del, __FILE__, __LINE__);
- $num++;
- }
- return $num;
- }
- /**
- * Removes an item from the current learnpath
- * @param integer Elem ID (0 if first)
- * @param integer Whether to remove the resource/data from the system or leave it (default: 'keep', others 'remove')
- * @return integer Number of elements moved
- * @todo implement resource removal
- */
- function delete_item($id, $remove='keep')
- {
- if($this->debug>0){error_log('New LP - In learnpath::delete_item()',0);}
- //TODO - implement the resource removal
- if(empty($id) || $id != strval(intval($id))){return false;}
- //first select item to get previous, next, and display order
- $lp_item = Database::get_course_table('lp_item');
- $sql_sel = "SELECT * FROM $lp_item WHERE id = $id";
- $res_sel = api_sql_query($sql_sel,__FILE__,__LINE__);
- if(Database::num_rows($res_sel)<1){return false;}
- $row = Database::fetch_array($res_sel);
- $previous = $row['previous_item_id'];
- $next = $row['next_item_id'];
- $display = $row['display_order'];
- $parent = $row['parent_item_id'];
- $lp = $row['lp_id'];
- //delete children items
- $num = $this->delete_children_items($id);
- if($this->debug>2){error_log('New LP - learnpath::delete_item() - deleted '.$num.' children of element '.$id,0);}
- //now delete the item
- $sql_del = "DELETE FROM $lp_item WHERE id = $id";
- if($this->debug>2){error_log('New LP - Deleting item: '.$sql_del,0);}
- $res_del = api_sql_query($sql_del,__FILE__,__LINE__);
- //now update surrounding items
- $sql_upd = "UPDATE $lp_item SET next_item_id = $next WHERE id = $previous";
- $res_upd = api_sql_query($sql_upd,__FILE__,__LINE__);
- $sql_upd = "UPDATE $lp_item SET previous_item_id = $previous WHERE id = $next";
- $res_upd = api_sql_query($sql_upd,__FILE__,__LINE__);
- //now update all following items with new display order
- $sql_all = "UPDATE $lp_item SET display_order = display_order-1 WHERE lp_id = $lp AND parent_item_id = $parent AND display_order > $display";
- $res_all = api_sql_query($sql_all,__FILE__,__LINE__);
- // remove from search engine if enabled
- if (api_get_setting('search_enabled') == 'true') {
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level=%d LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp, $id);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if (Database::num_rows($res) > 0) {
- $row2 = Database::fetch_array($res);
- require_once(api_get_path(LIBRARY_PATH) .'search/DokeosIndexer.class.php');
- $di = new DokeosIndexer();
- $di->remove_document((int)$row2['search_did']);
- }
- $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level=%d LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp, $id);
- api_sql_query($sql, __FILE__, __LINE__);
- }
- }
- /**
- * Updates an item's content in place
- * @param integer Element ID
- * @param integer Parent item ID
- * @param integer Previous item ID
- * @param string Item title
- * @param string Item description
- * @param string Prerequisites (optional)
- * @param string Indexing terms (optional)
- * @param array The array resulting of the $_FILES[mp3] element
- * @return boolean True on success, false on error
- */
- function edit_item($id, $parent, $previous, $title, $description, $prerequisites=0, $audio=NULL, $max_time_allowed=0) {
- if($this->debug > 0){error_log('New LP - In learnpath::edit_item()', 0);}
- if(empty($max_time_allowed)) { $max_time_allowed = 0;}
- if(empty($id) or ($id != strval(intval($id))) or empty($title)){ return false; }
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $sql_select = "SELECT * FROM " . $tbl_lp_item . " WHERE id = " . $id;
- $res_select = api_sql_query($sql_select, __FILE__, __LINE__);
- $row_select = Database::fetch_array($res_select);
- $audio_update_sql = '';
- if (is_array($audio) && !empty($audio['tmp_name']) && $audio['error']===0) {
- // create the audio folder if it does not exist yet
- global $_course;
- $filepath = api_get_path('SYS_COURSE_PATH').$_course['path'].'/document/';
- if(!is_dir($filepath.'audio')) {
- $perm = api_get_setting('permissions_for_new_directories');
- $perm = octdec(!empty($perm)?$perm:'0770');
- mkdir($filepath.'audio',$perm);
- $audio_id=add_document($_course,'/audio','folder',0,'audio');
- api_item_property_update($_course, TOOL_DOCUMENT, $audio_id, 'FolderCreated', api_get_user_id());
- }
-
- //upload file in documents
- $pi = pathinfo($audio['name']);
- if ($pi['extension'] == 'mp3') {
- $c_det = api_get_course_info($this->cc);
- $bp = api_get_path(SYS_COURSE_PATH).$c_det['path'].'/document';
- $path = handle_uploaded_document($c_det,$audio,$bp,'/audio',api_get_user_id(),0,null,'',0,'rename',false,0);
- $path = substr($path,7);
- //update reference in lp_item - audio path is the path from inside de document/audio/ dir
- $audio_update_sql = ", audio = '".Database::escape_string($path)."' ";
- }
- }
- $same_parent = ($row_select['parent_item_id'] == $parent) ? true : false;
- $same_previous = ($row_select['previous_item_id'] == $previous) ? true : false;
-
- if($same_parent && $same_previous) {
- //only update title and description
- $sql_update = "
- UPDATE " . $tbl_lp_item . "
- SET
- title = '" . $this->escape_string(htmlentities($title)) . "',
- prerequisite = '".$prerequisites."',
- description = '" . $this->escape_string(htmlentities($description)) . "'
- ". $audio_update_sql . ",
- max_time_allowed = '" . $this->escape_string(htmlentities($max_time_allowed)) . "'
- WHERE id = " . $id;
- $res_update = api_sql_query($sql_update, __FILE__, __LINE__);
- }
- else
- {
- $old_parent = $row_select['parent_item_id'];
- $old_previous = $row_select['previous_item_id'];
- $old_next = $row_select['next_item_id'];
- $old_order = $row_select['display_order'];
- $old_prerequisite = $row_select['prerequisite'];
- $old_max_time_allowed = $row_select['max_time_allowed'];
-
- /* BEGIN -- virtually remove the current item id */
- /* for the next and previous item it is like the current item doesn't exist anymore */
-
- if($old_previous != 0)
- {
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $old_next . "
- WHERE id = " . $old_previous;
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_next . '</p>';
- }
-
- if($old_next != 0)
- {
- $sql_update_previous = "
- UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $old_previous . "
- WHERE id = " . $old_next;
- $res_update_previous = api_sql_query($sql_update_previous, __FILE__, __LINE__);
-
- //echo '<p>' . $sql_update_previous . '</p>';
- }
-
- //display_order - 1 for every item with a display_order bigger then the display_order of the current item
- $sql_update_order = "
- UPDATE " . $tbl_lp_item . "
- SET display_order = display_order - 1
- WHERE
- display_order > " . $old_order . " AND
- parent_item_id = " . $old_parent;
- $res_update_order = api_sql_query($sql_update_order, __FILE__, __LINE__);
-
- //echo '<p>' . $sql_update_order . '</p>';
-
- /* END -- virtually remove the current item id */
-
- /* BEGIN -- update the current item id to his new location */
-
- if($previous == 0)
- {
- //select the data of the item that should come after the current item
- $sql_select_old = "
- SELECT
- id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id . " AND
- parent_item_id = " . $parent . " AND
- previous_item_id = " . $previous;
- $res_select_old = api_sql_query($sql_select_old, __FILE__, __LINE__);
- $row_select_old = Database::fetch_array($res_select_old);
-
- //echo '<p>' . $sql_select_old . '</p>';
-
- //if the new parent didn't have children before
- if(Database::num_rows($res_select_old) == 0)
- {
- $new_next = 0;
- $new_order = 1;
- }
- else
- {
- $new_next = $row_select_old['id'];
- $new_order = $row_select_old['display_order'];
- }
-
- //echo 'New next_item_id of current item: ' . $new_next . '<br />';
- //echo 'New previous_item_id of current item: ' . $previous . '<br />';
- //echo 'New display_order of current item: ' . $new_order . '<br />';
-
- }
- else
- {
- //select the data of the item that should come before the current item
- $sql_select_old = "
- SELECT
- next_item_id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE id = " . $previous;
- $res_select_old = api_sql_query($sql_select_old, __FILE__, __LINE__);
- $row_select_old = Database::fetch_array($res_select_old);
-
- //echo '<p>' . $sql_select_old . '</p>';
-
- //echo 'New next_item_id of current item: ' . $row_select_old['next_item_id'] . '<br />';
- //echo 'New previous_item_id of current item: ' . $previous . '<br />';
- //echo 'New display_order of current item: ' . ($row_select_old['display_order'] + 1) . '<br />';
-
- $new_next = $row_select_old['next_item_id'];
- $new_order = $row_select_old['display_order'] + 1;
- }
-
- //update the current item with the new data
- $sql_update = "
- UPDATE " . $tbl_lp_item . "
- SET
- title = '" . $this->escape_string(htmlentities($title)) . "',
- description = '" . $this->escape_string(htmlentities($description)) . "',
- parent_item_id = " . $parent . ",
- previous_item_id = " . $previous . ",
- next_item_id = " . $new_next . ",
- display_order = " . $new_order . "
- ". $audio_update_sql . "
- WHERE id = " . $id;
- $res_update_next = api_sql_query($sql_update, __FILE__, __LINE__);
- //echo '<p>' . $sql_update . '</p>';
-
- if($previous != 0)
- {
- //update the previous item's next_item_id
- $sql_update_previous = "
- UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $id . "
- WHERE id = " . $previous;
- $res_update_next = api_sql_query($sql_update_previous, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_previous . '</p>';
- }
-
- if($new_next != 0)
- {
- //update the next item's previous_item_id
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $id . "
- WHERE id = " . $new_next;
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_next . '</p>';
- }
-
- if($old_prerequisite!=$prerequisites){
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET prerequisite = " . $prerequisites . "
- WHERE id = " . $id;
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
- }
-
- if($old_max_time_allowed!=$max_time_allowed){
- $sql_update_max_time_allowed = "
- UPDATE " . $tbl_lp_item . "
- SET max_time_allowed = " . $max_time_allowed . "
- WHERE id = " . $id;
- $res_update_max_time_allowed = api_sql_query($sql_update_max_time_allowed, __FILE__, __LINE__);
- }
-
- //update all the items with the same or a bigger display_order than
- //the current item
- $sql_update_order = "
- UPDATE " . $tbl_lp_item . "
- SET display_order = display_order + 1
- WHERE
- lp_id = " . $this->get_id() . " AND
- id <> " . $id . " AND
- parent_item_id = " . $parent . " AND
- display_order >= " . $new_order;
-
- $res_update_next = api_sql_query($sql_update_order, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_order . '</p>';
-
- /* END -- update the current item id to his new location */
- }
- }
-
- /**
- * Updates an item's prereq in place
- * @param integer Element ID
- * @param string Prerequisite Element ID
- *
- * @param string Prerequisite item type
- *
- * @param string Prerequisite min score
- *
- * @param string Prerequisite max score
- * @return boolean True on success, false on error
- */
- function edit_item_prereq($id, $prerequisite_id, $mastery_score = 0, $max_score = 100)
- {
- if($this->debug>0){error_log('New LP - In learnpath::edit_item_prereq('.$id.','.$prerequisite_id.','.$mastery_score.','.$max_score.')',0);}
- if(empty($id) or ($id != strval(intval($id))) or empty($prerequisite_id)){ return false; }
- $prerequisite_id = $this->escape_string($prerequisite_id);
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- if(!is_numeric($mastery_score) || $mastery_score < 0)
- $mastery_score = 0;
-
- if(!is_numeric($max_score) || $max_score < 0)
- $max_score = 100;
-
- if($mastery_score > $max_score)
- $max_score = $mastery_score;
-
- if(!is_numeric($prerequisite_id))
- $prerequisite_id = 'NULL';
-
- $sql_upd = "
- UPDATE " . $tbl_lp_item . "
- SET prerequisite = ".$prerequisite_id." WHERE id = ".$id;
- $res_upd = api_sql_query($sql_upd ,__FILE__, __LINE__);
- if($prerequisite_id!='NULL' && $prerequisite_id!='')
- {
- $sql_upd = " UPDATE ".$tbl_lp_item." SET
- mastery_score = " . $mastery_score .
- //", max_score = " . $max_score . " " . //max score cannot be changed in the form anyway - see display_item_prerequisites_form()
- " WHERE ref = '" . $prerequisite_id."'" ; //will this be enough to ensure unicity?
-
- $res_upd = api_sql_query($sql_upd ,__FILE__, __LINE__);
- }
- //TODO update the item object (can be ignored for now because refreshed)
- return true;
- }
- /**
- * Escapes a string with the available database escape function
- * @param string String to escape
- * @return string String escaped
- */
- function escape_string($string){
- //if($this->debug>0){error_log('New LP - In learnpath::escape_string('.$string.')',0);}
- return Database::escape_string($string);
- }
- /**
- * Static admin function exporting a learnpath into a zip file
- * @param string Export type (scorm, zip, cd)
- * @param string Course code
- * @param integer Learnpath ID
- * @param string Zip file name
- * @return string Zip file path (or false on error)
- */
- function export_lp($type, $course, $id, $zipname)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::export_lp()',0);}
- //TODO
- if(empty($type) OR empty($course) OR empty($id) OR empty($zipname)){return false;}
- $url = '';
- switch($type){
- case 'scorm':
-
- break;
- case 'zip':
- break;
- case 'cdrom':
- break;
- }
- return $url;
- }
- /**
- * Gets all the chapters belonging to the same parent as the item/chapter given
- * Can also be called as abstract method
- * @param integer Item ID
- * @return array A list of all the "brother items" (or an empty array on failure)
- */
- function get_brother_chapters($id){
- if($this->debug>0){error_log('New LP - In learnpath::get_brother_chapters()',0);}
- if(empty($id) OR $id != strval(intval($id))){ return array();}
- $lp_item = Database::get_course_table('lp_item');
- $sql_parent = "SELECT * FROM $lp_item WHERE id = $id AND item_type='dokeos_chapter'";
- $res_parent = api_sql_query($sql_parent,__FILE__,__LINE__);
- if(Database::num_rows($res_parent)>0){
- $row_parent = Database::fetch_array($res_parent);
- $parent = $row_parent['parent_item_id'];
- $sql_bros = "SELECT * FROM $lp_item WHERE parent_item_id = $parent AND id = $id AND item_type='dokeos_chapter' ORDER BY display_order";
- $res_bros = api_sql_query($sql_bros,__FILE__,__LINE__);
- $list = array();
- while ($row_bro = Database::fetch_array($res_bros)){
- $list[] = $row_bro;
- }
- return $list;
- }
- return array();
- }
- /**
- * Gets all the items belonging to the same parent as the item given
- * Can also be called as abstract method
- * @param integer Item ID
- * @return array A list of all the "brother items" (or an empty array on failure)
- */
- function get_brother_items($id){
- if($this->debug>0){error_log('New LP - In learnpath::get_brother_items('.$id.')',0);}
- if(empty($id) OR $id != strval(intval($id))){ return array();}
- $lp_item = Database::get_course_table('lp_item');
- $sql_parent = "SELECT * FROM $lp_item WHERE id = $id";
- $res_parent = api_sql_query($sql_parent,__FILE__,__LINE__);
- if(Database::num_rows($res_parent)>0){
- $row_parent = Database::fetch_array($res_parent);
- $parent = $row_parent['parent_item_id'];
- $sql_bros = "SELECT * FROM $lp_item WHERE parent_item_id = $parent ORDER BY display_order";
- $res_bros = api_sql_query($sql_bros,__FILE__,__LINE__);
- $list = array();
- while ($row_bro = Database::fetch_array($res_bros)){
- $list[] = $row_bro;
- }
- return $list;
- }
- return array();
- }
- /**
- * Get the specific prefix index terms of this learning path
- * @return array Array of terms
- */
- function get_common_index_terms_by_prefix($prefix)
- {
- require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
- $terms = get_specific_field_values_list_by_prefix($prefix, $this->cc, TOOL_LEARNPATH, $this->lp_id);
- $prefix_terms = array();
- foreach($terms as $term)
- {
- $prefix_terms[] = $term['value'];
- }
- return $prefix_terms;
- }
- /**
- * Gets the number of items currently completed
- * @return integer The number of items currently completed
- */
- function get_complete_items_count()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_complete_items_count()',0);}
- $i = 0;
- foreach($this->items as $id => $dummy){
- //if($this->items[$id]->status_is(array('completed','passed','succeeded'))){
- //Trying failed and browsed considered "progressed" as well
- if($this->items[$id]->status_is(array('completed','passed','succeeded','browsed','failed'))&&$this->items[$id]->get_type()!='dokeos_chapter'&&$this->items[$id]->get_type()!='dir'){
- $i++;
- }
- }
- return $i;
- }
- /**
- * Gets the current item ID
- * @return integer The current learnpath item id
- */
- function get_current_item_id()
- {
- $current = 0;
- if($this->debug>0){error_log('New LP - In learnpath::get_current_item_id()',0);}
- if(!empty($this->current))
- {
- $current = $this->current;
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_current_item_id() - Returning '.$current,0);}
- return $current;
- }
-
-
- /** Force to get the first learnpath item id
- * @return integer The current learnpath item id
- */
- function get_first_item_id()
- {
- $current = 0;
- if (is_array($this->ordered_items)) {
- $current = $this->ordered_items[0];
- }
- return $current;
- }
-
-
-
- /**
- * Gets the total number of items available for viewing in this SCORM
- * @return integer The total number of items
- */
- function get_total_items_count()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_total_items_count()',0);}
- return count($this->items);
- }
- /**
- * Gets the total number of items available for viewing in this SCORM but without chapters
- * @return integer The total no-chapters number of items
- */
- function get_total_items_count_without_chapters()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_total_items_count_without_chapters()',0);}
- $total=0;
- foreach($this->items as $temp=>$temp2){
- if(!in_array($temp2->get_type(), array('dokeos_chapter','chapter','dir'))) $total++;
- }
- return $total;
- }
- /**
- * Gets the first element URL.
- * @return string URL to load into the viewer
- */
- function first()
- {
- if($this->debug>0){error_log('New LP - In learnpath::first()',0);}
- //test if the last_item_seen exists and is not a dir
- if ( count($this->ordered_items) == 0 ) {
- $this->index = 0;
- }
- if(!empty($this->last_item_seen)
- && !empty($this->items[$this->last_item_seen])
- && $this->items[$this->last_item_seen]->get_type() != 'dir'
- && $this->items[$this->last_item_seen]->get_type() != 'dokeos_chapter'
- && $this->items[$this->last_item_seen]->is_done() != true
- ){
- if($this->debug>2){error_log('New LP - In learnpath::first() - Last item seen is '.$this->last_item_seen.' of type '.$this->items[$this->last_item_seen]->get_type(),0);}
- $index = -1;
- foreach($this->ordered_items as $myindex => $item_id){
- if($item_id == $this->last_item_seen){
- $index = $myindex;
- break;
- }
- }
- if($index==-1){
- //index hasn't changed, so item not found - panic (this shouldn't happen)
- if($this->debug>2){error_log('New LP - Last item ('.$this->last_item_seen.') was found in items but not in ordered_items, panic!',0);}
- return false;
- }else{
- $this->last = $this->last_item_seen;
- $this->current = $this->last_item_seen;
- $this->index = $index;
- }
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::first() - No last item seen',0);}
- $index = 0;
- //loop through all ordered items and stop at the first item that is
- //not a directory *and* that has not been completed yet
- while (!empty($this->ordered_items[$index])
- AND
- is_a($this->items[$this->ordered_items[$index]],'learnpathItem')
- AND
- (
- $this->items[$this->ordered_items[$index]]->get_type() == 'dir'
- OR $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter'
- OR $this->items[$this->ordered_items[$index]]->is_done() === true
- )
- AND $index < $this->max_ordered_items)
- {
- $index ++;
- }
- $this->last = $this->current;
- //current is
- $this->current = $this->ordered_items[$index];
- $this->index = $index;
- if($this->debug>2){error_log('New LP - In learnpath::first() - No last item seen. New last = '.$this->last.'('.$this->ordered_items[$index].')',0);}
- }
- if($this->debug>2){error_log('New LP - In learnpath::first() - First item is '.$this->get_current_item_id());}
- }
- /**
- * Gets the information about an item in a format usable as JavaScript to update
- * the JS API by just printing this content into the <head> section of the message frame
- * @param integer Item ID
- * @return string
- */
- function get_js_info($item_id=''){
- if($this->debug>0){error_log('New LP - In learnpath::get_js_info('.$item_id.')',0);}
- $info = '';
- $item_id = $this->escape_string($item_id);
- if(!empty($item_id) && is_object($this->items[$item_id])){
- //if item is defined, return values from DB
- $oItem = $this->items[$item_id];
- $info .= '<script language="javascript">';
- $info .= "top.set_score(".$oItem->get_score().");\n";
- $info .= "top.set_max(".$oItem->get_max().");\n";
- $info .= "top.set_min(".$oItem->get_min().");\n";
- $info .= "top.set_lesson_status('".$oItem->get_status()."');";
- $info .= "top.set_session_time('".$oItem->get_scorm_time('js')."');";
- $info .= "top.set_suspend_data('".$oItem->get_suspend_data()."');";
- $info .= "top.set_saved_lesson_status('".$oItem->get_status()."');";
- $info .= "top.set_flag_synchronized();";
- $info .= '</script>';
- if($this->debug>2){error_log('New LP - in learnpath::get_js_info('.$item_id.') - returning: '.$info,0);}
- return $info;
- }else{
- //if item_id is empty, just update to default SCORM data
- $info .= '<script language="javascript">';
- $info .= "top.set_score(".learnpathItem::get_score().");\n";
- $info .= "top.set_max(".learnpathItem::get_max().");\n";
- $info .= "top.set_min(".learnpathItem::get_min().");\n";
- $info .= "top.set_lesson_status('".learnpathItem::get_status()."');";
- $info .= "top.set_session_time('".learnpathItem::get_scorm_time('js')."');";
- $info .= "top.set_suspend_data('".learnpathItem::get_suspend_data()."');";
- $info .= "top.set_saved_lesson_status('".learnpathItem::get_status()."');";
- $info .= "top.set_flag_synchronized();";
- $info .= '</script>';
- if($this->debug>2){error_log('New LP - in learnpath::get_js_info('.$item_id.') - returning: '.$info,0);}
- return $info;
- }
- }
- /**
- * Gets the js library from the database
- * @return string The name of the javascript library to be used
- */
- function get_js_lib(){
- $lib = '';
- if(!empty($this->js_lib)){
- $lib = $this->js_lib;
- }
- return $lib;
- }
- /**
- * Gets the learnpath database ID
- * @return integer Learnpath ID in the lp table
- */
- function get_id()
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_id()',0);}
- if(!empty($this->lp_id))
- {
- return $this->lp_id;
- }else{
- return 0;
- }
- }
- /**
- * Gets the last element URL.
- * @return string URL to load into the viewer
- */
- function get_last()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_last()',0);}
- $this->index = count($this->ordered_items)-1;
- return $this->ordered_items[$this->index];
- }
- /**
- * Gets the navigation bar for the learnpath display screen
- * @return string The HTML string to use as a navigation bar
- */
- function get_navigation_bar()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_navigation_bar()',0);}
- //TODO find a good value for the following variables
- $file = '';
- $openDir = '';
- $edoceo = '';
- $time = 0;
- $navbar = '';
- $RequestUri = '';
- $mycurrentitemid = $this->get_current_item_id();
- if($this->mode == 'fullscreen')
- {
- $navbar = '<table cellpadding="0" cellspacing="0" align="left">'."\n".
- ' <tr> '."\n" .
- ' <td>'."\n" .
- ' <div class="buttons">'."\n" .
- ' <a href="lp_controller.php?action=stats" onclick="window.parent.API.save_asset();return true;" target="content_name_blank" title="stats" id="stats_link"><img border="0" src="../img/lp_stats.gif" title="'.get_lang('Reporting').'"></a>'."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'previous\');return false;" title="previous"><img border="0" src="../img/lp_leftarrow.gif" title="'.get_lang('ScormPrevious').'"></a>'."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'next\');return false;" title="next" ><img border="0" src="../img/lp_rightarrow.gif" title="'.get_lang('ScormNext').'"></a>'."\n" .
- //' <a href="lp_controller.php?action=mode&mode=embedded" target="_top" title="embedded mode"><img border="0" src="../img/view_choose.gif" title="'.get_lang('ScormExitFullScreen').'"></a>'."\n" .
- //' <a href="lp_controller.php?action=list" target="_top" title="learnpaths list"><img border="0" src="../img/exit.png" title="Exit"></a>'."\n" .
- ' </div>'."\n" .
- ' </td>'."\n" .
- ' </tr>'."\n" .
- '</table>'."\n" ;
-
- }else{
- $navbar = '<table cellpadding="0" cellspacing="0" align="left">'."\n".
- ' <tr> '."\n" .
- ' <td>'."\n" .
- ' <div class="buttons">'."\n" .
- ' <a href="lp_controller.php?action=stats" onclick="window.parent.API.save_asset();return true;" target="content_name" title="stats" id="stats_link"><img border="0" src="../img/lp_stats.gif" title="'.get_lang('Reporting').'"></a>'."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'previous\');return false;" title="previous"><img border="0" src="../img/lp_leftarrow.gif" title="'.get_lang('ScormPrevious').'"></a>'."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'next\');return false;" title="next" ><img border="0" src="../img/lp_rightarrow.gif" title="'.get_lang('ScormNext').'"></a>'."\n" .
- // ' <a href="lp_controller.php?action=mode&mode=fullscreen" target="_top" title="fullscreen"><img border="0" src="../img/view_fullscreen.gif" width="18" height="18" title="'.get_lang('ScormFullScreen').'"></a>'."\n" .
- ' </div>'."\n" .
- ' </td>'."\n" .
- ' </tr>'."\n" .
- '</table>'."\n" ;
- }
- return $navbar;
- }
- /**
- * Gets the next resource in queue (url).
- * @return string URL to load into the viewer
- */
- function get_next_index()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_next_index()',0);}
- //TODO
- $index = $this->index;
- $index ++;
- if($this->debug>2){error_log('New LP - Now looking at ordered_items['.($index).'] - type is '.$this->items[$this->ordered_items[$index]]->type,0);}
- while(!empty($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') AND $index < $this->max_ordered_items)
- {
- $index ++;
- if($index == $this->max_ordered_items)
- {
- return $this->index;
- }
- }
- if(empty($this->ordered_items[$index])){
- return $this->index;
- }
- if($this->debug>2){error_log('New LP - index is now '.$index,0);}
- return $index;
- }
- /**
- * Gets item_id for the next element
- * @return integer Next item (DB) ID
- */
- function get_next_item_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_next_item_id()',0);}
- $new_index = $this->get_next_index();
- if(!empty($new_index))
- {
- if(isset($this->ordered_items[$new_index]))
- {
- if($this->debug>2){error_log('New LP - In learnpath::get_next_index() - Returning '.$this->ordered_items[$new_index],0);}
- return $this->ordered_items[$new_index];
- }
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_next_index() - Problem - Returning 0',0);}
- return 0;
- }
- /**
- * Returns the package type ('scorm','aicc','scorm2004','dokeos','ppt'...)
- *
- * Generally, the package provided is in the form of a zip file, so the function
- * has been written to test a zip file. If not a zip, the function will return the
- * default return value: ''
- * @param string the path to the file
- * @param string the original name of the file
- * @return string 'scorm','aicc','scorm2004','dokeos' or '' if the package cannot be recognized
- */
- function get_package_type($file_path,$file_name){
-
- //get name of the zip file without the extension
- $file_info = pathinfo($file_name);
- $filename = $file_info['basename'];//name including extension
- $extension = $file_info['extension'];//extension only
-
- if(!empty($_POST['ppt2lp']) && !in_array($extension,array('dll','exe')))
- {
- return 'oogie';
- }
- if(!empty($_POST['woogie']) && !in_array($extension,array('dll','exe')))
- {
- return 'woogie';
- }
-
-
- $file_base_name = str_replace('.'.$extension,'',$filename); //filename without its extension
-
- $zipFile = new pclZip($file_path);
- // Check the zip content (real size and file extension)
- $zipContentArray = $zipFile->listContent();
- $package_type='';
- $at_root = false;
- $manifest = '';
- //the following loop should be stopped as soon as we found the right imsmanifest.xml (how to recognize it?)
- if (is_array($zipContentArray) && count($zipContentArray)>0) {
- foreach($zipContentArray as $thisContent)
- {
- if ( preg_match('~.(php.*|phtml)$~i', $thisContent['filename']) )
- {
- //New behaviour: Don't do anything. These files will be removed in scorm::import_package
- }
- elseif(stristr($thisContent['filename'],'imsmanifest.xml')!==FALSE)
- {
- $manifest = $thisContent['filename']; //just the relative directory inside scorm/
- $package_type = 'scorm';
- break;//exit the foreach loop
- }
- elseif(preg_match('/aicc\//i',$thisContent['filename'])!=false)
- {//if found an aicc directory... (!= false means it cannot be false (error) or 0 (no match))
- $package_type='aicc';
- //break;//don't exit the loop, because if we find an imsmanifest afterwards, we want it, not the AICC
- }
- else
- {
- $package_type = '';
- }
- }
- }
- return $package_type;
- }
- /**
- * Gets the previous resource in queue (url). Also initialises time values for this viewing
- * @return string URL to load into the viewer
- */
- function get_previous_index()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_previous_index()',0);}
- $index = $this->index;
- if(isset($this->ordered_items[$index-1])){
- $index --;
- while(isset($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter'))
- {
- $index --;
- if($index < 0){
- return $this->index;
- }
- }
- }else{
- if($this->debug>2){error_log('New LP - get_previous_index() - there was no previous index available, reusing '.$index,0);}
- //no previous item
- }
- return $index;
- }
- /**
- * Gets item_id for the next element
- * @return integer Previous item (DB) ID
- */
- function get_previous_item_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_previous_item_id()',0);}
- $new_index = $this->get_previous_index();
- return $this->ordered_items[$new_index];
- }
- /**
- * Gets the progress value from the progress_db attribute
- * @return integer Current progress value
- */
- function get_progress()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_progress()',0);}
- if(!empty($this->progress_db))
- {
- return $this->progress_db;
- }
- return 0;
- }
- /**
- * Gets the progress value from the progress field in the database (allows use as abstract method)
- * @param integer Learnpath ID
- * @param integer User ID
- * @param string Mode of display ('%','abs' or 'both')
- * @param string Course database name (optional, defaults to '')
- * @param boolean Whether to return null if no record was found (true), or 0 (false) (optional, defaults to false)
- * @return integer Current progress value as found in the database
- */
- function get_db_progress($lp_id,$user_id,$mode='%', $course_db='', $sincere=false)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_db_progress()',0);}
- $table = Database::get_course_table('lp_view', $course_db);
- $sql = "SELECT * FROM $table WHERE lp_id = $lp_id AND user_id = $user_id";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $view_id = 0;
- if(Database::num_rows($res)>0)
- {
- $row = Database::fetch_array($res);
- $progress = $row['progress'];
- $view_id = $row['id'];
- }
- else
- {
- if($sincere)
- {
- return null;
- }
- }
- if(empty($progress))
- {
- $progress = '0';
- }
- if($mode == '%')
- {
- return $progress.'%';
- }
- else
- {
- //get the number of items completed and the number of items total
- $tbl = Database::get_course_table('lp_item', $course_db);
- $sql = "SELECT count(*) FROM $tbl WHERE lp_id = ".$lp_id."
- AND item_type NOT IN('dokeos_chapter','chapter','dir')";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
- $total = $row[0];
- $tbl_item_view = Database::get_course_table('lp_item_view', $course_db);
- $tbl_item = Database::get_course_table('lp_item', $course_db);
-
- //$sql = "SELECT count(distinct(lp_item_id)) FROM $tbl WHERE lp_view_id = ".$view_id." AND status IN ('passed','completed','succeeded')";
- //trying as also counting browsed and failed items
- $sql = "SELECT count(distinct(lp_item_id))
- FROM $tbl_item_view as item_view
- INNER JOIN $tbl_item as item
- ON item.id = item_view.lp_item_id
- AND item_type NOT IN('dokeos_chapter','chapter','dir')
- WHERE lp_view_id = ".$view_id."
- AND status IN ('passed','completed','succeeded','browsed','failed')";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
- $completed = $row[0];
- if($mode == 'abs')
- {
- return $completed.'/'.$total;
- }
- elseif($mode == 'both')
- {
- if($progress<($completed/($total?$total:1)))
- {
- $progress = number_format(($completed/($total?$total:1))*100,0);
- }
- return $progress.'% ('.$completed.'/'.$total.')';
- }
- }
- return $progress;
- }
-
- function get_mediaplayer()
- {
- global $_course;
-
- // Database table definition
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- // getting all the information about the item
- $sql = "SELECT * FROM " . $tbl_lp_item . " as lp WHERE lp.id = '" . $_SESSION['oLP']->current."'";
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row= mysql_fetch_assoc($result);
- $output='';
- if (!empty($row['audio']))
- {
- // the mp3 player
- $output = '<div id="container"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</div>';
- $output .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
- $output .= '<script type="text/javascript">
- var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
- s1.addParam("allowscriptaccess","always");
- s1.addParam("flashvars","file='.api_get_path(WEB_COURSE_PATH).$_course['path'].'/document/audio/'.$row['audio'].'&image=preview.jpg&autostart=true");
- s1.write("container");
- </script>';
- }
- return $output;
- }
-
-
- /**
- * Gets a progress bar for the learnpath by counting the number of items in it and the number of items
- * completed so far.
- * @param string Mode in which we want the values
- * @param integer Progress value to display (optional but mandatory if used in abstract context)
- * @param string Text to display near the progress value (optional but mandatory in abstract context)
- * @param boolean true if it comes from a Diplay LP view
- * @return string HTML string containing the progress bar
- */
- function get_progress_bar($mode='',$percentage=-1,$text_add='',$from_lp=false)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar()',0);}
- global $lp_theme_css;
-
- // Setting up the CSS path of the current style if exists
- if (!empty($lp_theme_css))
- {
- $css_path=api_get_path(WEB_CODE_PATH).'css/'.$lp_theme_css.'/images/';
- }
- else
- {
- $css_path='../img/';
- }
-
- //if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar()',0);}
- if(isset($this) && is_object($this) && ($percentage=='-1' OR $text_add==''))
- {
- list ($percentage, $text_add) = $this->get_progress_bar_text($mode);
- }
- $text = $percentage.$text_add;
-
- //Default progress bar config
- // times that will be greater or shorter
- $factor=1.2;
- if ($from_lp)
- $progress_height='26';
- else
- $progress_height='16';
- $size = str_replace('%','',$percentage);
-
- $output = ''
- //.htmlentities(get_lang('ScormCompstatus'),ENT_QUOTES,'ISO-8859-1')."<br />"
- .'<table border="0" cellpadding="0" cellspacing="0"><tr><td>'
- .'<img id="progress_img_limit_left" src="'.$css_path.'bar_1.gif" width="1" height="'.$progress_height.'">'
- .'<img id="progress_img_full" src="'.$css_path.'bar_1u.gif" width="'.$size*$factor.'px" height="'.$progress_height.'" id="full_portion">'
- .'<img id="progress_img_limit_middle" src="'.$css_path.'bar_1m.gif" width="1" height="'.$progress_height.'">';
-
- if($percentage <= 98)
- {
- $output .= '<img id="progress_img_empty" src="'.$css_path.'bar_1r.gif" width="'.(100-$size)*$factor.'px" height="'.$progress_height.'" id="empty_portion">';
- }
- else
- {
- $output .= '<img id="progress_img_empty" src="'.$css_path.'bar_1r.gif" width="0" height="'.$progress_height.'" id="empty_portion">';
- }
-
- $output .= '<img id="progress_bar_img_limit_right" src="'.$css_path.'bar_1.gif" width="1" height="'.$progress_height.'"></td></tr></table>'
- .'<div class="progresstext" id="progress_text">'.$text.'</div>';
-
-
- return $output;
- }
- /**
- * Gets the progress bar info to display inside the progress bar. Also used by scorm_api.php
- * @param string Mode of display (can be '%' or 'abs').abs means we display a number of completed elements per total elements
- * //@param integer Additional steps to fake as completed
- * @return list Percentage or number and symbol (% or /xx)
- */
- function get_progress_bar_text($mode='',$add=0)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar_text()',0);}
- if(empty($mode)){$mode = $this->progress_bar_mode;}
- $total_items = $this->get_total_items_count_without_chapters();
- if($this->debug>2){error_log('New LP - Total items available in this learnpath: '.$total_items,0);}
- $i = $this->get_complete_items_count();
- if($this->debug>2){error_log('New LP - Items completed so far: '.$i,0);}
- if($add != 0){
- $i += $add;
- if($this->debug>2){error_log('New LP - Items completed so far (+modifier): '.$i,0);}
- }
- $text = '';
- if($i>$total_items){
- $i = $total_items;
- }
- if($mode == '%'){
- if($total_items>0){
- $percentage = ((float)$i/(float)$total_items)*100;
- }
- else
- {
- $percentage = 0;
- }
- $percentage = number_format($percentage,0);
- $text = '%';
- }elseif($mode == 'abs'){
- $percentage = $i;
- $text = '/'.$total_items;
- }
- return array($percentage,$text);
- }
- /**
- * Gets the progress bar mode
- * @return string The progress bar mode attribute
- */
- function get_progress_bar_mode()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar_mode()',0);}
- if(!empty($this->progress_bar_mode))
- {
- return $this->progress_bar_mode;
- }else{
- return '%';
- }
- }
- /**
- * Gets the learnpath proximity (remote or local)
- * @return string Learnpath proximity
- */
- function get_proximity()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_proximity()',0);}
- if(!empty($this->proximity)){return $this->proximity;}else{return '';}
- }
-
- /**
- * Gets the learnpath theme (remote or local)
- * @return string Learnpath theme
- */
- function get_theme()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_theme()',0);}
- if(!empty($this->theme)){return $this->theme;}else{return '';}
- }
-
-
- /**
- * Gets the learnpath image
- * @return string Web URL of the LP image
- */
- function get_preview_image()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_preview_image()',0);}
- if(!empty($this->preview_image)){return $this->preview_image;}else{return '';}
- }
-
-
- /**
- * Gets the learnpath author
- * @return string LP's author
- */
- function get_author()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_author()',0);}
- if(!empty($this->author)){return $this->author;}else{return '';}
- }
-
- /**
- * Generate a new prerequisites string for a given item. If this item was a sco and
- * its prerequisites were strings (instead of IDs), then transform those strings into
- * IDs, knowing that SCORM IDs are kept in the "ref" field of the lp_item table.
- * Prefix all item IDs that end-up in the prerequisites string by "ITEM_" to use the
- * same rule as the scorm_export() method
- * @param integer Item ID
- * @return string Prerequisites string ready for the export as SCORM
- */
- function get_scorm_prereq_string($item_id)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_scorm_prereq_string()',0);}
- if(!is_object($this->items[$item_id])){return false;}
- $oItem = $this->items[$item_id];
- $prereq = $oItem->get_prereq_string();
- if(empty($prereq))
- {
- return '';
- }
- if(preg_match('/^\d+$/',$prereq) && is_object($this->items[$prereq]))
- { //if the prerequisite is a simple integer ID and this ID exists as an item ID,
- //then simply return it (with the ITEM_ prefix)
- return 'ITEM_'.$prereq;
- }
- else
- {
- if(isset($this->refs_list[$prereq]))
- {
- //it's a simple string item from which the ID can be found in the refs list
- //so we can transform it directly to an ID for export
- return 'ITEM_'.$this->refs_list[$prereq];
- }
- else
- {
- //last case, if it's a complex form, then find all the IDs (SCORM strings)
- //and replace them, one by one, by the internal IDs (dokeos db)
- //TODO modify the '*' replacement to replace the multiplier in front of it
- //by a space as well
- $find = array('&','|','~','=','<>','{','}','*','(',')');
- $replace = array(' ',' ',' ',' ',' ',' ',' ',' ',' ',' ');
- $prereq_mod = str_replace($find,$replace,$prereq);
- $ids = split(' ',$prereq_mod);
- foreach($ids as $id)
- {
- $id = trim($id);
- if(isset($this->refs_list[$id]))
- {
- $prereq = preg_replace('/[^a-zA-Z_0-9]('.$id.')[^a-zA-Z_0-9]/','ITEM_'.$this->refs_list[$id],$prereq);
- }
- }
- error_log('New LP - In learnpath::get_scorm_prereq_string(): returning modified string: '.$prereq,0);
- return $prereq;
- }
- }
- }
- /**
- * Returns the XML DOM document's node
- * @param resource Reference to a list of objects to search for the given ITEM_*
- * @param string The identifier to look for
- * @return mixed The reference to the element found with that identifier. False if not found
- */
- function get_scorm_xml_node(&$children,$id)
- {
- for($i=0;$i<$children->length;$i++){
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item')
- {
- if($item_temp->getAttribute('identifier') == $id)
- {
- return $item_temp;
- }
- }
- $subchildren = $item_temp->childNodes;
- if($subchildren->length>0)
- {
- $val = $this->get_scorm_xml_node($subchildren,$id);
- if(is_object($val))
- {
- return $val;
- }
- }
- }
- return false;
- }
-
- /**
- * Returns a usable array of stats related to the current learnpath and user
- * @return array Well-formatted array containing status for the current learnpath
- */
- function get_stats()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_stats()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course (for all learnpaths and all users)
- * @param string Course code
- * @return array Well-formatted array containing status for the course's learnpaths
- */
- function get_stats_course($course)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_course()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course and learnpath (for all users)
- * @param string Course code
- * @param integer Learnpath ID
- * @return array Well-formatted array containing status for the specified learnpath
- */
- function get_stats_lp($course,$lp)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_lp()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course, learnpath and user.
- * @param string Course code
- * @param integer Learnpath ID
- * @param integer User ID
- * @return array Well-formatted array containing status for the specified learnpath and user
- */
- function get_stats_lp_user($course,$lp,$user)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_lp_user()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course and learnpath (for all users)
- * @param string Course code
- * @param integer User ID
- * @return array Well-formatted array containing status for the user's learnpaths
- */
- function get_stats_user($course,$user)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_user()',0);}
- //TODO
- }
- /**
- * Gets the status list for all LP's items
- * @return array Array of [index] => [item ID => current status]
- */
- function get_items_status_list(){
- if($this->debug>0){error_log('New LP - In learnpath::get_items_status_list()',0);}
- $list = array();
- foreach($this->ordered_items as $item_id)
- {
- $list[]= array($item_id => $this->items[$item_id]->get_status());
- }
- return $list;
- }
- /**
- * Return the number of interactions for the given learnpath Item View ID.
- * This method can be used as static.
- * @param integer Item View ID
- * @return integer Number of interactions
- */
- function get_interactions_count_from_db($lp_iv_id=0){
- if(empty($lp_iv_id)){return -1;}
- $table = Database::get_course_table('lp_iv_interaction');
- $sql = "SELECT count(*) FROM $table WHERE lp_iv_id = $lp_iv_id";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $row = Database::fetch_array($res);
- $num = $row[0];
- return $num;
- }
- /**
- * Return the interactions as an array for the given lp_iv_id.
- * This method can be used as static.
- * @param integer Learnpath Item View ID
- * @return array
- * @todo Translate labels
- */
- function get_iv_interactions_array($lp_iv_id=0){
- $list = array();
- $table = Database::get_course_table('lp_iv_interaction');
- $sql = "SELECT * FROM $table WHERE lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $num = Database::num_rows($res);
- if($num>0){
- $list[] = array(
- "order_id"=>htmlentities(get_lang('Order')),
- "id"=>htmlentities(get_lang('InteractionID')),
- "type"=>htmlentities(get_lang('Type')),
- "time"=>htmlentities(get_lang('TimeFinished')),
- "correct_responses"=>htmlentities(get_lang('CorrectAnswers')),
- "student_response"=>htmlentities(get_lang('StudentResponse')),
- "result"=>htmlentities(get_lang('Result')),
- "latency"=>htmlentities(get_lang('LatencyTimeSpent')));
- while ($row = Database::fetch_array($res)){
- $list[] = array(
- "order_id"=>($row['order_id']+1),
- "id"=>urldecode($row['interaction_id']),//urldecode because they often have %2F or stuff like that
- "type"=>$row['interaction_type'],
- "time"=>$row['completion_time'],
- //"correct_responses"=>$row['correct_responses'],
- //hide correct responses from students
- "correct_responses"=>'',
- "student_response"=>$row['student_response'],
- "result"=>$row['result'],
- "latency"=>$row['latency']);
- }
- }
- return $list;
- }
- /**
- * Return the number of objectives for the given learnpath Item View ID.
- * This method can be used as static.
- * @param integer Item View ID
- * @return integer Number of objectives
- */
- function get_objectives_count_from_db($lp_iv_id=0){
- if(empty($lp_iv_id)){return -1;}
- $table = Database::get_course_table('lp_iv_objective');
- $sql = "SELECT count(*) FROM $table WHERE lp_iv_id = $lp_iv_id";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $row = Database::fetch_array($res);
- $num = $row[0];
- return $num;
- }
- /**
- * Return the objectives as an array for the given lp_iv_id.
- * This method can be used as static.
- * @param integer Learnpath Item View ID
- * @return array
- * @todo Translate labels
- */
- function get_iv_objectives_array($lp_iv_id=0){
- $list = array();
- $table = Database::get_course_table('lp_iv_objective');
- $sql = "SELECT * FROM $table WHERE lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $num = Database::num_rows($res);
- if($num>0){
- $list[] = array(
- "order_id"=>htmlentities(get_lang('Order')),
- "objective_id"=>htmlentities(get_lang('ObjectiveID')),
- "score_raw"=>htmlentities(get_lang('ObjectiveRawScore')),
- "score_max"=>htmlentities(get_lang('ObjectiveMaxScore')),
- "score_min"=>htmlentities(get_lang('ObjectiveMinScore')),
- "status"=>htmlentities(get_lang('ObjectiveStatus')));
- while ($row = Database::fetch_array($res)){
- $list[] = array(
- "order_id"=>($row['order_id']+1),
- "objective_id"=>urldecode($row['objective_id']),//urldecode because they often have %2F or stuff like that
- "score_raw"=>$row['score_raw'],
- "score_max"=>$row['score_max'],
- "score_min"=>$row['score_min'],
- "status"=>$row['status']);
- }
- }
- return $list;
- }
- /**
- * Generate and return the table of contents for this learnpath. The (flat) table returned can be
- * used by get_html_toc() to be ready to display
- * @return array TOC as a table with 4 elements per row: title, link, status and level
- */
- function get_toc()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_toc()',0);}
- $toc = array();
- //echo "<pre>".print_r($this->items,true)."</pre>";
- foreach($this->ordered_items as $item_id)
- {
- if($this->debug>2){error_log('New LP - learnpath::get_toc(): getting info for item '.$item_id,0);}
- //TODO change this link generation and use new function instead
- $toc[] = array(
- 'id'=>$item_id,
- 'title'=>$this->items[$item_id]->get_title(),
- //'link'=>get_addedresource_link_in_learnpath('document',$item_id,1),
- 'status'=>$this->items[$item_id]->get_status(),
- 'level'=>$this->items[$item_id]->get_level(),
- 'type' =>$this->items[$item_id]->get_type(),
- 'description'=>$this->items[$item_id]->get_description(),
- 'path'=>$this->items[$item_id]->get_path(),
- );
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_toc() - TOC array: '.print_r($toc,true),0);}
- return $toc;
- }
- /**
- * Gets the learning path type
- * @param boolean Return the name? If false, return the ID. Default is false.
- * @return mixed Type ID or name, depending on the parameter
- */
- function get_type($get_name = false)
- {
- $res = false;
- if($this->debug>0){error_log('New LP - In learnpath::get_type()',0);}
- if(!empty($this->type))
- {
- if($get_name)
- {
- //get it from the lp_type table in main db
- }else{
- $res = $this->type;
- }
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_type() - Returning '.($res==false?'false':$res),0);}
- return $res;
- }
- /**
- * Gets the learning path type as static method
- * @param boolean Return the name? If false, return the ID. Default is false.
- * @return mixed Type ID or name, depending on the parameter
- */
- function get_type_static($lp_id=0)
- {
- $tbl_lp = Database::get_course_table('lp');
- $sql = "SELECT lp_type FROM $tbl_lp WHERE id = '".$lp_id."'";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if($res===false){ return null;}
- if(Database::num_rows($res)<=0){return null;}
- $row = Database::fetch_array($res);
- return $row['lp_type'];
- }
- /**
- * Gets a flat list of item IDs ordered for display (level by level ordered by order_display)
- * This method can be used as abstract and is recursive
- * @param integer Learnpath ID
- * @param integer Parent ID of the items to look for
- * @return mixed Ordered list of item IDs or false on error
- */
- function get_flat_ordered_items_list($lp,$parent=0)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_flat_ordered_items_list('.$lp.','.$parent.')',0);}
- $list = array();
- if(empty($lp)){return false;}
- $tbl_lp_item = Database::get_course_table('lp_item');
- $sql = "SELECT * FROM $tbl_lp_item WHERE lp_id = $lp AND parent_item_id = $parent ORDER BY display_order";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- while($row = Database::fetch_array($res)){
- $sublist = learnpath::get_flat_ordered_items_list($lp,$row['id']);
- $list[] = $row['id'];
- foreach($sublist as $item){
- $list[] = $item;
- }
- }
- return $list;
- }
- /**
- * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
- * @return string HTML TOC ready to display
- */
- /*function get_html_toc()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_html_toc()',0);}
- $list = $this->get_toc();
- //echo $this->current;
- //$parent = $this->items[$this->current]->get_parent();
- //if(empty($parent)){$parent = $this->ordered_items[$this->items[$this->current]->get_previous_index()];}
- $html = '<div class="inner_lp_toc">'."\n" ;
- // " onchange=\"javascript:document.getElementById('toc_$parent').focus();\">\n";
- require_once('resourcelinker.inc.php');
-
- //temp variables
- $mycurrentitemid = $this->get_current_item_id();
-
- foreach($list as $item)
- {
- if($this->debug>2){error_log('New LP - learnpath::get_html_toc(): using item '.$item['id'],0);}
- //TODO complete this
- $icon_name = array('not attempted' => '../img/notattempted.gif',
- 'incomplete' => '../img/incomplete.gif',
- 'failed' => '../img/failed.gif',
- 'completed' => '../img/completed.gif',
- 'passed' => '../img/passed.gif',
- 'succeeded' => '../img/succeeded.gif',
- 'browsed' => '../img/completed.gif');
-
- $style = 'scorm_item';
- if($item['id'] == $this->current){
- $style = 'scorm_item_highlight';
- }
- //the anchor will let us center the TOC on the currently viewed item &^D
- $html .= '<a name="atoc_'.$item['id'].'" /><div class="'.$style.'" style="padding-left: '.($item['level']/2).'em; padding-right:'.($item['level']/2).'em" id="toc_'.$item['id'].'" >' .
- '<img id="toc_img_'.$item['id'].'" class="scorm_status_img" src="'.$icon_name[$item['status']].'" alt="'.substr($item['status'],0,1).'" />';
-
- //$title = htmlspecialchars($item['title'],ENT_QUOTES,$this->encoding);
- $title = $item['title'];
- if(empty($title)){
- $title = rl_get_resource_name(api_get_course_id(),$this->get_id(),$item['id']);
- $title = htmlspecialchars($title,ENT_QUOTES,$this->encoding);
- }
- if(empty($title))$title = '-';
-
- if($item['type']!='dokeos_chapter' and $item['type']!='dir'){
- //$html .= "<a href='lp_controller.php?".api_get_cidReq()."&action=content&lp_id=".$this->get_id()."&item_id=".$item['id']."' target='lp_content_frame_name'>".$title."</a>" ;
- $url = $this->get_link('http',$item['id']);
- //$html .= '<a href="'.$url.'" target="content_name" onclick="top.load_item('.$item['id'].',\''.$url.'\');">'.$title.'</a>' ;
- //$html .= '<a href="" onclick="top.load_item('.$item['id'].',\''.$url.'\');return false;">'.$title.'</a>' ;
- $html .= '<a href="" onclick="dokeos_xajax_handler.switch_item(' .
- $mycurrentitemid.',' .
- $item['id'].');' .
- 'return false;" >'.$title.'</a>' ;
- }else{
- $html .= $title;
- }
- $html .= "</div>\n";
- }
- $html .= "</div>\n";
- return $html;
- }*/
-
-
- /**
- * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
- * @return string HTML TOC ready to display
- */
- function get_html_toc()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_html_toc()',0);}
- $list = $this->get_toc();
- $mych = api_get_setting('platform_charset');
- //echo $this->current;
- //$parent = $this->items[$this->current]->get_parent();
- //if(empty($parent)){$parent = $this->ordered_items[$this->items[$this->current]->get_previous_index()];}
- $html= '<div class="scorm_title"><div class="scorm_title_text">'.mb_convert_encoding($this->get_name(),$this->encoding,$mych).'</div></div>';
-
- // build, display
- if(api_is_allowed_to_edit())
- {
- $html .='<div class="actions_lp">';
- //the icon it was removed in display (build)
- //$html .= "<a href='lp_controller.php?".api_get_cidreq()."&action=build&lp_id=".$this->lp_id."' target='_parent'>".Display::return_icon('learnpath_build.gif', get_lang('Build')).' '.mb_convert_encoding(get_lang('Build'),$this->encoding,$mych)."</a>";
- $html .= "<a href='lp_controller.php?".api_get_cidreq()."&action=build&lp_id=".$this->lp_id."' target='_parent'>".mb_convert_encoding(get_lang('Build'),$this->encoding,$mych)."</a>";
- //the icon it was removed in display (organize)
- //$html .= "<a href='lp_controller.php?".api_get_cidreq()."&action=admin_view&lp_id=".$this->lp_id."' target='_parent'>".Display::return_icon('learnpath_organize.gif', get_lang('BasicOverview')).' '.mb_convert_encoding(get_lang('BasicOverview'),$this->encoding,$mych)."</a>";
- $html .= "<a href='lp_controller.php?".api_get_cidreq()."&action=admin_view&lp_id=".$this->lp_id."' target='_parent'>".mb_convert_encoding(get_lang('BasicOverview'),$this->encoding,$mych)."</a>";
- //the icon it was removed in display (display)
- //$html .= '<span>'.Display::return_icon('learnpath_view.gif', get_lang("Display")).' '.mb_convert_encoding(get_lang("Display"),$this->encoding,$mych).'</span>';
- $html .= '<span>'.mb_convert_encoding(get_lang("Display"),$this->encoding,$mych).'</span>';
- $html .= '</div>';
- unset($mych);
- }
-
- $html.= '<div id="inner_lp_toc" class="inner_lp_toc">'."\n" ;
- //$html.= '<div class="scorm_title"><div class="scorm_title_text">'.mb_convert_encoding($this->get_name(),$this->encoding,$mych).'</div></div>';
-
-
- // " onchange=\"javascript:document.getElementById('toc_$parent').focus();\">\n";
- require_once('resourcelinker.inc.php');
-
- //temp variables
- $mycurrentitemid = $this->get_current_item_id();
- $color_counter=0;
- $i=0;
- foreach($list as $item)
- {
- if($this->debug>2){error_log('New LP - learnpath::get_html_toc(): using item '.$item['id'],0);}
- //TODO complete this
- $icon_name = array('not attempted' => '../img/notattempted.gif',
- 'incomplete' => '../img/incomplete.gif',
- 'failed' => '../img/failed.gif',
- 'completed' => '../img/completed.gif',
- 'passed' => '../img/passed.gif',
- 'succeeded' => '../img/succeeded.gif',
- 'browsed' => '../img/completed.gif');
-
- $style = 'scorm_item';
- $scorm_color_background='scorm_item';
- $style_item ='scorm_item';
- $current=false;
-
- if($item['id'] == $this->current)
- {
- $style = 'scorm_item_highlight';
- $scorm_color_background ='scorm_item_highlight';
- }
- else
-
- if ($color_counter%2==0)
- {
- $scorm_color_background='scorm_item_1';
- }
- else
- {
- $scorm_color_background='scorm_item_2';
- }
-
- if ($scorm_color_background!='')
- {
- $html .= '<div id="toc_'.$item['id'].'" class="'.$scorm_color_background.'">';
- }
-
- //the anchor will let us center the TOC on the currently viewed item &^D
- if($item['type']!='dokeos_module' AND $item['type']!='dokeos_chapter')
- {
- $html .= '<a name="atoc_'.$item['id'].'" />';
- $html .= '<div class="'.$style_item.'" style="padding-left: '.($item['level']*1.5).'em; padding-right:'.($item['level']/2).'em" title="'.$item['description'].'" >';
- }
- else
- {
- $html .= '<div class="'.$style_item.'" style="padding-left: '.($item['level']*2).'em; padding-right:'.($item['level']*1.5).'em" title="'.$item['description'].'" >';
- }
-
- $title=$item['title'];
-
- if(empty($title))
- {
- $title = rl_get_resource_name(api_get_course_id(),$this->get_id(),$item['id']);
- }
-
- $title = utf8_decode(html_entity_decode($title,ENT_QUOTES,$this->encoding));
-
- if($item['type']!='dokeos_chapter' and $item['type']!='dir' AND $item['type']!='dokeos_module')
- {
- //$html .= "<a href='lp_controller.php?".api_get_cidreq()."&action=content&lp_id=".$this->get_id()."&item_id=".$item['id']."' target='lp_content_frame_name'>".$title."</a>" ;
- $url = $this->get_link('http',$item['id']);
- //$html .= '<a href="'.$url.'" target="content_name" onclick="top.load_item('.$item['id'].',\''.$url.'\');">'.$title.'</a>' ;
- //$html .= '<a href="" onclick="top.load_item('.$item['id'].',\''.$url.'\');return false;">'.$title.'</a>' ;
-
- //<img align="absbottom" width="13" height="13" src="../img/lp_document.png"> background:#aaa;
- $html .= '<a href="" onclick="dokeos_xajax_handler.switch_item(' .
- $mycurrentitemid.',' .
- $item['id'].');' .
- 'return false;" >'.stripslashes($title).'</a>' ;
- }
- elseif($item['type']=='dokeos_module' || $item['type']=='dokeos_chapter')
- {
- $html .= "<img align='absbottom' width='13' height='13' src='../img/lp_dokeos_module.png'> ".stripslashes($title);
- }
- elseif($item['type']=='dir')
- {
- $html .= stripslashes($title);
- }
-
- $tbl_track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $user_id = api_get_user_id();
- $course_id = api_get_course_id();
- $sql = "SELECT path FROM $tbl_track_e_exercises, $tbl_lp_item
- WHERE path = '".$item['path']."' AND exe_user_id = '$user_id' AND exe_cours_id = '$course_id' AND path = exe_exo_id AND status <> 'incomplete'";
- $result = api_sql_query($sql,__FILE__,__LINE__);
- $count = Database::num_rows($result);
- if ($item['type']=='quiz') {
- if ($item['status']=='completed') {
- $html .= " <img id='toc_img_".$item['id']."' src='".$icon_name[$item['status']]."' alt='".substr($item['status'],0,1)."' width='12' height='12' />";
- }
- } else {
- if ($item['type']!='dokeos_chapter' && $item['type']!='dokeos_module' && $item['type']!='dir') {
- $html .= " <img id='toc_img_".$item['id']."' src='".$icon_name[$item['status']]."' alt='".substr($item['status'],0,1)."' width='12' height='12' />";
- }
-
- }
-
- $html .= "</div>";
-
- if ($scorm_color_background!='')
- {
- $html .= '</div>';
- }
-
-
-
-
- $color_counter++;
- }
- $html .= "</div>\n";
- return $html;
- }
- /**
- * Gets the learnpath maker name - generally the editor's name
- * @return string Learnpath maker name
- */
- function get_maker()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_maker()',0);}
- if(!empty($this->maker)){return $this->maker;}else{return '';}
- }
- /**
- * Gets the user-friendly message stored in $this->message
- * @return string Message
- */
- function get_message(){
- if($this->debug>0){error_log('New LP - In learnpath::get_message()',0);}
- return $this->message;
- }
- /**
- * Gets the learnpath name/title
- * @return string Learnpath name/title
- */
- function get_name()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_name()',0);}
- if(!empty($this->name)){return $this->name;}else{return 'N/A';}
- }
- /**
- * Gets a link to the resource from the present location, depending on item ID.
- * @param string Type of link expected
- * @param integer Learnpath item ID
- * @return string Link to the lp_item resource
- */
- function get_link($type='http',$item_id=null)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_link('.$type.','.$item_id.')',0);}
- if(empty($item_id))
- {
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - no item id given in learnpath::get_link(), using current: '.$this->get_current_item_id(),0);}
- $item_id = $this->get_current_item_id();
- }
- if(empty($item_id)){
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - no current item id found in learnpath object',0);}
- //still empty, this means there was no item_id given and we are not in an object context or
- //the object property is empty, return empty link
- $item_id = $this->first();
- return '';
- }
- $file = '';
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
- $lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sel = "SELECT l.lp_type as ltype, l.path as lpath, li.item_type as litype, li.path as lipath, li.parameters as liparams " .
- "FROM $lp_table l, $lp_item_table li WHERE li.id = $item_id AND li.lp_id = l.id";
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - selecting item '.$sel,0);}
- $res = api_sql_query($sel, __FILE__, __LINE__);
- if(Database::num_rows($res)>0)
- {
- $row = Database::fetch_array($res);
- //var_dump($row);
- $lp_type = $row['ltype'];
- $lp_path = $row['lpath'];
- $lp_item_type = $row['litype'];
- $lp_item_path = $row['lipath'];
- $lp_item_params = $row['liparams'];
- if(empty($lp_item_params) && strpos($lp_item_path,'?')!==false)
- {
- list($lp_item_path,$lp_item_params) = explode('?',$lp_item_path);
- }
- //$lp_item_params = '?'.$lp_item_params;
-
- //add ? if none - left commented to give freedom to scorm implementation
- //if(substr($lp_item_params,0,1)!='?'){
- // $lp_item_params = '?'.$lp_item_params;
- //}
- $sys_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
- if($type == 'http'){
- $course_path = api_get_path(WEB_COURSE_PATH).api_get_course_path(); //web path
- }else{
- $course_path = $sys_course_path; //system path
- }
- //now go through the specific cases to get the end of the path
- switch($lp_type){
- case 1:
- if($lp_item_type == 'dokeos_chapter'){
- $file = 'lp_content.php?type=dir';
- }else{
- require_once('resourcelinker.inc.php');
- $file = rl_get_resource_link_for_learnpath(api_get_course_id(),$this->get_id(),$item_id);
-
- // check how much attempts of a exercise exits in lp
- $lp_item_id = $this->get_current_item_id();
- $lp_view_id = $this->get_view_id();
- $prevent_reinit = $this->items[$this->current]->prevent_reinit;
- $list = $this->get_toc();
- $type_quiz = false;
-
- foreach($list as $toc) {
- if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz') ) {
- $type_quiz = true;
- }
- }
-
- if ($type_quiz) {
- $lp_item_id = Database::escape_string($lp_item_id);
- $lp_view_id = Database::escape_string($lp_view_id);
- $sql = "SELECT count(*) FROM $lp_item_view_table WHERE lp_item_id='".(int)$lp_item_id."' AND lp_view_id ='".(int)$lp_view_id."' AND status='completed'";
- $result = api_sql_query($sql,__FILE__,__LINE__);
- $row_count = Database::fetch_row($result);
- $count_item_view = (int)$row_count[0];
- $not_multiple_attempt = 0;
- if ($prevent_reinit === 1 && $count_item_view > 0) {
- $not_multiple_attempt = 1;
- }
- $file .= '¬_multiple_attempt='.$not_multiple_attempt;
- }
-
- $tmp_array=explode("/",$file);
- $document_name=$tmp_array[count($tmp_array)-1];
- if(strpos($document_name,'_DELETED_')){
- $file = 'blank.php?error=document_deleted';
- }
- }
- break;
- case 2:
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Item type: '.$lp_item_type,0);}
- if($lp_item_type!='dir'){
- //Quite complex here:
- //we want to make sure 'http://' (and similar) links can
- //be loaded as is (withouth the Dokeos path in front) but
- //some contents use this form: resource.htm?resource=http://blablabla
- //which means we have to find a protocol at the path's start, otherwise
- //it should not be considered as an external URL
-
- //if($this->prerequisites_match($item_id)){
- if(preg_match('#^[a-zA-Z]{2,5}://#',$lp_item_path)!=0){
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Found match for protocol in '.$lp_item_path,0);}
- //distant url, return as is
- $file = $lp_item_path;
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - No starting protocol in '.$lp_item_path,0);}
- //prevent getting untranslatable urls
- $lp_item_path = preg_replace('/%2F/','/',$lp_item_path);
- $lp_item_path = preg_replace('/%3A/',':',$lp_item_path);
- //prepare the path
- $file = $course_path.'/scorm/'.$lp_path.'/'.$lp_item_path;
- //TODO fix this for urls with protocol header
- $file = str_replace('//','/',$file);
- $file = str_replace(':/','://',$file);
- if(substr($lp_path,-1)=='/')
- {
- $lp_path = substr($lp_path,0,-1);
- }
- if(!is_file(realpath($sys_course_path.'/scorm/'.$lp_path.'/'.$lp_item_path)))
- {//if file not found
- $decoded = html_entity_decode($lp_item_path);
- list($decoded) = explode('?',$decoded);
- if(!is_file(realpath($sys_course_path.'/scorm/'.$lp_path.'/'.$decoded)))
- {
- require_once('resourcelinker.inc.php');
- $file = rl_get_resource_link_for_learnpath(api_get_course_id(),$this->get_id(),$item_id);
- $tmp_array=explode("/",$file);
- $document_name=$tmp_array[count($tmp_array)-1];
- if(strpos($document_name,'_DELETED_')){
- $file = 'blank.php?error=document_deleted';
- }
- }
- else
- {
- $file = $course_path.'/scorm/'.$lp_path.'/'.$decoded;
- }
- }
- }
- //}else{
- //prerequisites did not match
- //$file = 'blank.php';
- //}
- //We want to use parameters if they were defined in the imsmanifest
- if($file!='blank.php')
- {
- $file.= (strstr($file,'?')===false?'?':'').$lp_item_params;
- }
- }else{
- $file = 'lp_content.php?type=dir';
- }
- break;
- case 3:
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Item type: '.$lp_item_type,0);}
- //formatting AICC HACP append URL
- $aicc_append = '?aicc_sid='.urlencode(session_id()).'&aicc_url='.urlencode(api_get_path(WEB_CODE_PATH).'newscorm/aicc_hacp.php').'&';
- if($lp_item_type!='dir'){
- //Quite complex here:
- //we want to make sure 'http://' (and similar) links can
- //be loaded as is (withouth the Dokeos path in front) but
- //some contents use this form: resource.htm?resource=http://blablabla
- //which means we have to find a protocol at the path's start, otherwise
- //it should not be considered as an external URL
-
- if(preg_match('#^[a-zA-Z]{2,5}://#',$lp_item_path)!=0){
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Found match for protocol in '.$lp_item_path,0);}
- //distant url, return as is
- $file = $lp_item_path;
- /*
- if(stristr($file,'<servername>')!==false){
- $file = str_replace('<servername>',$course_path.'/scorm/'.$lp_path.'/',$lp_item_path);
- }
- */
- $file .= $aicc_append;
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - No starting protocol in '.$lp_item_path,0);}
- //prevent getting untranslatable urls
- $lp_item_path = preg_replace('/%2F/','/',$lp_item_path);
- $lp_item_path = preg_replace('/%3A/',':',$lp_item_path);
- //prepare the path - lp_path might be unusable because it includes the "aicc" subdir name
- $file = $course_path.'/scorm/'.$lp_path.'/'.$lp_item_path;
- //TODO fix this for urls with protocol header
- $file = str_replace('//','/',$file);
- $file = str_replace(':/','://',$file);
- $file .= $aicc_append;
- }
- }else{
- $file = 'lp_content.php?type=dir';
- }
- break;
- case 4:
- break;
- default:
- break;
- }
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - returning "'.$file.'" from get_link',0);}
- return $file;
- }
- /**
- * Gets the latest usable view or generate a new one
- * @param integer Optional attempt number. If none given, takes the highest from the lp_view table
- * @return integer DB lp_view id
- */
- function get_view($attempt_num=0)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_view()',0);}
- $search = '';
- //use $attempt_num to enable multi-views management (disabled so far)
- if($attempt_num != 0 AND intval(strval($attempt_num)) == $attempt_num)
- {
- $search = 'AND view_count = '.$attempt_num;
- }
- //when missing $attempt_num, search for a unique lp_view record for this lp and user
- $lp_view_table = Database::get_course_table('lp_view');
- $sql = "SELECT id, view_count FROM $lp_view_table " .
- "WHERE lp_id = ".$this->get_id()." " .
- "AND user_id = ".$this->get_user_id()." " .
- $search .
- " ORDER BY view_count DESC";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0)
- {
- $row = Database::fetch_array($res);
- $this->lp_view_id = $row['id'];
- }else{
- //no database record, create one
- $sql = "INSERT INTO $lp_view_table(lp_id,user_id,view_count)" .
- "VALUES (".$this->get_id().",".$this->get_user_id().",1)";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $id = Database::get_last_insert_id();
- $this->lp_view_id = $id;
- }
- return $this->lp_view_id;
- }
- /**
- * Gets the current view id
- * @return integer View ID (from lp_view)
- */
- function get_view_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_view_id()',0);}
- if(!empty($this->lp_view_id))
- {
- return $this->lp_view_id;
- }else{
- return 0;
- }
- }
- /**
- * Gets the update queue
- * @return array Array containing IDs of items to be updated by JavaScript
- */
- function get_update_queue()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_update_queue()',0);}
- return $this->update_queue;
- }
- /**
- * Gets the user ID
- * @return integer User ID
- */
- function get_user_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_user_id()',0);}
- if(!empty($this->user_id))
- {
- return $this->user_id;
- }else{
- return false;
- }
- }
- /**
- * Checks if any of the items has an audio element attached
- * @return bool True or false
- */
- function has_audio() {
- if($this->debug>1){error_log('New LP - In learnpath::has_audio()',0);}
- $has = false;
- foreach ($this->items as $i=>$item) {
- if (!empty($this->items[$i]->audio)) {
- $has = true;
- break;
- }
- }
- return $has;
- }
- /**
- * Logs a message into a file
- * @param string Message to log
- * @return boolean True on success, false on error or if msg empty
- */
- function log($msg)
- {
- if($this->debug>0){error_log('New LP - In learnpath::log()',0);}
- //TODO
- $this->error .= $msg."\n";
- return true;
- }
- /**
- * Moves an item up and down at its level
- * @param integer Item to move up and down
- * @param string Direction 'up' or 'down'
- * @return integer New display order, or false on error
- */
- function move_item($id, $direction){
- if($this->debug>0){error_log('New LP - In learnpath::move_item('.$id.','.$direction.')',0);}
- if(empty($id) or empty($direction)){return false;}
- $tbl_lp_item = Database::get_course_table('lp_item');
- $sql_sel = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $id;
- $res_sel = api_sql_query($sql_sel,__FILE__,__LINE__);
- //check if elem exists
- if(Database::num_rows($res_sel)<1){return false;}
- //gather data
- $row = Database::fetch_array($res_sel);
- $previous = $row['previous_item_id'];
- $next = $row['next_item_id'];
- $display = $row['display_order'];
- $parent = $row['parent_item_id'];
- $lp = $row['lp_id'];
- //update the item (switch with previous/next one)
- switch($direction)
- {
- case 'up':
- if($this->debug>2){error_log('Movement up detected',0);}
- if($display <= 1){/*do nothing*/}
- else{
- $sql_sel2 = "SELECT *
- FROM $tbl_lp_item
- WHERE id = $previous";
- if($this->debug>2){error_log('Selecting previous: '.$sql_sel2,0);}
- $res_sel2 = api_sql_query($sql_sel2,__FILE__,__LINE__);
- if(Database::num_rows($res_sel2)<1){$previous_previous = 0;}
- //gather data
- $row2 = Database::fetch_array($res_sel2);
- $previous_previous = $row2['previous_item_id'];
- //update previous_previous item (switch "next" with current)
- if($previous_previous != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $id WHERE id = $previous_previous";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- //update previous item (switch with current)
- if($previous != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next, previous_item_id = $id, display_order = display_order +1 WHERE id = $previous";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- //update current item (switch with previous)
- if($id != 0){
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $previous, previous_item_id = $previous_previous, display_order = display_order-1 WHERE id = $id";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- //update next item (new previous item)
- if($next != 0){
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous WHERE id = $next";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- $display = $display-1;
- }
- break;
- case 'down':
- if($this->debug>2){error_log('Movement down detected',0);}
- if($next == 0){/*do nothing*/}
- else{
- $sql_sel2 = "SELECT * FROM $tbl_lp_item WHERE id = $next";
- if($this->debug>2){error_log('Selecting next: '.$sql_sel2,0);}
- $res_sel2 = api_sql_query($sql_sel2,__FILE__,__LINE__);
- if(Database::num_rows($res_sel2)<1){$next_next = 0;}
- //gather data
- $row2 = Database::fetch_array($res_sel2);
- $next_next = $row2['next_item_id'];
- //update previous item (switch with current)
- if($previous != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next WHERE id = $previous";
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- //update current item (switch with previous)
- if($id != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $next, next_item_id = $next_next, display_order = display_order+1 WHERE id = $id";
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- //update next item (new previous item)
- if($next != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous, next_item_id = $id, display_order = display_order-1 WHERE id = $next";
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- //update next_next item (switch "previous" with current)
- if($next_next != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $id WHERE id = $next_next";
- $res_upd2 = api_sql_query($sql_upd2, __FILE__, __LINE__);
- }
- $display = $display+1;
- }
- break;
- default:
- return false;
- }
- return $display;
- }
- /**
- * Move a learnpath up (display_order)
- * @param integer Learnpath ID
- */
- function move_up($lp_id)
- {
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table ORDER BY display_order";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if($res === false) return false;
- $lps = array();
- $lp_order = array();
- $num = Database::num_rows($res);
- //first check the order is correct, globally (might be wrong because
- //of versions < 1.8.4)
- if($num>0)
- {
- $i = 1;
- while($row = Database::fetch_array($res))
- {
- if($row['display_order'] != $i)
- { //if we find a gap in the order, we need to fix it
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i WHERE id = ".$row['id'];
- $res_u = api_sql_query($sql_u, __FILE__, __LINE__);
- }
- $row['display_order'] = $i;
- $lps[$row['id']] = $row;
- $lp_order[$i] = $row['id'];
- $i++;
- }
- }
- if($num>1) //if there's only one element, no need to sort
- {
- $order = $lps[$lp_id]['display_order'];
- if($order>1) //if it's the first element, no need to move up
- {
- $sql_u1 = "UPDATE $lp_table SET display_order = $order WHERE id = ".$lp_order[$order-1];
- $res_u1 = api_sql_query($sql_u1, __FILE__, __LINE__);
- $sql_u2 = "UPDATE $lp_table SET display_order = ".($order-1)." WHERE id = ".$lp_id;
- $res_u2 = api_sql_query($sql_u2, __FILE__, __LINE__);
- }
- }
- }
- /**
- * Move a learnpath down (display_order)
- * @param integer Learnpath ID
- */
- function move_down($lp_id)
- {
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table ORDER BY display_order";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if($res === false) return false;
- $lps = array();
- $lp_order = array();
- $num = Database::num_rows($res);
- $max = 0;
- //first check the order is correct, globally (might be wrong because
- //of versions < 1.8.4)
- if($num>0)
- {
- $i = 1;
- while($row = Database::fetch_array($res))
- {
- $max = $i;
- if($row['display_order'] != $i)
- { //if we find a gap in the order, we need to fix it
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i WHERE id = ".$row['id'];
- $res_u = api_sql_query($sql_u, __FILE__, __LINE__);
- }
- $row['display_order'] = $i;
- $lps[$row['id']] = $row;
- $lp_order[$i] = $row['id'];
- $i++;
- }
- }
- if($num>1) //if there's only one element, no need to sort
- {
- $order = $lps[$lp_id]['display_order'];
- if($order<$max) //if it's the first element, no need to move up
- {
- $sql_u1 = "UPDATE $lp_table SET display_order = $order WHERE id = ".$lp_order[$order+1];
- $res_u1 = api_sql_query($sql_u1, __FILE__, __LINE__);
- $sql_u2 = "UPDATE $lp_table SET display_order = ".($order+1)." WHERE id = ".$lp_id;
- $res_u2 = api_sql_query($sql_u2, __FILE__, __LINE__);
- }
- }
- }
- /**
- * Updates learnpath attributes to point to the next element
- * The last part is similar to set_current_item but processing the other way around
- */
- function next()
- {
- if($this->debug>0){error_log('New LP - In learnpath::next()',0);}
- $this->last = $this->get_current_item_id();
- $this->items[$this->last]->save(false,$this->prerequisites_match($this->last));
- $this->autocomplete_parents($this->last);
- $new_index = $this->get_next_index();
- if($this->debug>2){error_log('New LP - New index: '.$new_index,0);}
- $this->index = $new_index;
- if($this->debug>2){error_log('New LP - Now having orderedlist['.$new_index.'] = '. $this->ordered_items[$new_index],0);}
- $this->current = $this->ordered_items[$new_index];
- if($this->debug>2){error_log('New LP - new item id is '.$this->current.'-'.$this->get_current_item_id(),0);}
- }
- /**
- * Open a resource = initialise all local variables relative to this resource. Depending on the child
- * class, this might be redefined to allow several behaviours depending on the document type.
- * @param integer Resource ID
- * @return boolean True on success, false otherwise
- */
- function open($id)
- {
- if($this->debug>0){error_log('New LP - In learnpath::open()',0);}
- //TODO
- //set the current resource attribute to this resource
- //switch on element type (redefine in child class?)
- //set status for this item to "opened"
- //start timer
- //initialise score
- $this->index = 0; //or = the last item seen (see $this->last)
- }
- /**
- * Check that all prerequisites are fulfilled. Returns true and an empty string on succes, returns false
- * and the prerequisite string on error.
- * This function is based on the rules for aicc_script language as described in the SCORM 1.2 CAM documentation page 108.
- * @param integer Optional item ID. If none given, uses the current open item.
- * @return boolean True if prerequisites are matched, false otherwise
- * @return string Empty string if true returned, prerequisites string otherwise.
- */
- function prerequisites_match($item = null)
- {
- if($this->debug>0){error_log('New LP - In learnpath::prerequisites_match()',0);}
- if(empty($item)){$item = $this->current;}
- if(is_object($this->items[$item]))
- {
- $prereq_string = $this->items[$item]->get_prereq_string();
- if(empty($prereq_string)){return true;}
- //clean spaces
- $prereq_string = str_replace(' ','',$prereq_string);
- if($this->debug>0){error_log('Found prereq_string: '.$prereq_string,0);}
- //now send to the parse_prereq() function that will check this component's prerequisites
- $result = $this->items[$item]->parse_prereq($prereq_string,$this->items,$this->refs_list,$this->get_user_id());
-
- if($result === false)
- {
- $this->set_error_msg($this->items[$item]->prereq_alert);
- }
- }else{
- $result = true;
- if($this->debug>1){error_log('New LP - $this->items['.$item.'] was not an object',0);}
- }
- if($this->debug>1){error_log('New LP - End of prerequisites_match(). Error message is now '.$this->error,0);}
- return $result;
- }
- /**
- * Updates learnpath attributes to point to the previous element
- * The last part is similar to set_current_item but processing the other way around
- */
- function previous()
- {
- if($this->debug>0){error_log('New LP - In learnpath::previous()',0);}
- $this->last = $this->get_current_item_id();
- $this->items[$this->last]->save(false,$this->prerequisites_match($this->last));
- $this->autocomplete_parents($this->last);
- $new_index = $this->get_previous_index();
- $this->index = $new_index;
- $this->current = $this->ordered_items[$new_index];
- }
- /**
- * Publishes a learnpath. This basically means show or hide the learnpath
- * to normal users.
- * Can be used as abstract
- * @param integer Learnpath ID
- * @param string New visibility
- */
- function toggle_visibility($lp_id,$set_visibility=1)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::toggle_visibility()',0);}
- $action = 'visible';
- if($set_visibility != 1)
- {
- $action = 'invisible';
- }
- return api_item_property_update(api_get_course_info(),TOOL_LEARNPATH,$lp_id,$action,api_get_user_id());
- }
- /**
- * Publishes a learnpath. This basically means show or hide the learnpath
- * on the course homepage
- * Can be used as abstract
- * @param integer Learnpath ID
- * @param string New visibility
- */
- function toggle_publish($lp_id,$set_visibility='v')
- {
- //if($this->debug>0){error_log('New LP - In learnpath::toggle_publish()',0);}
- $tbl_lp = Database::get_course_table('lp');
- $sql="SELECT * FROM $tbl_lp where id=$lp_id";
- $result=api_sql_query($sql,__FILE__,__LINE__);
- $row=Database::fetch_array($result);
- $name=domesticate($row['name']);
- if($set_visibility == 'i') {
- $s=$name." ".get_lang('_no_published');
- $dialogBox=$s;
- $v=0;
- }
- if($set_visibility == 'v')
- {
- $s=$name." ".get_lang('_published');
- $dialogBox=$s;
- $v=1;
- }
- $tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
- $link = 'newscorm/lp_controller.php?action=view&lp_id='.$lp_id;
- $sql="SELECT * FROM $tbl_tool where name='$name' and image='scormbuilder.gif' and link LIKE '$link%'";
- $result=api_sql_query($sql,__FILE__,__LINE__);
- $num=Database::num_rows($result);
- $row2=Database::fetch_array($result);
- //if($this->debug>2){error_log('New LP - '.$sql.' - '.$num,0);}
- if(($set_visibility == 'i') && ($num>0))
- {
- $sql ="DELETE FROM $tbl_tool WHERE (name='$name' and image='scormbuilder.gif' and link LIKE '$link%')";
- }
- elseif(($set_visibility == 'v') && ($num==0))
- {
- $sql ="INSERT INTO $tbl_tool (name, link, image, visibility, admin, address, added_tool) VALUES ('$name','newscorm/lp_controller.php?action=view&lp_id=$lp_id','scormbuilder.gif','$v','0','pastillegris.gif',0)";
- }
- else
- {
- //parameter and database incompatible, do nothing
- }
- $result=api_sql_query($sql,__FILE__,__LINE__);
- //if($this->debug>2){error_log('New LP - Leaving learnpath::toggle_visibility: '.$sql,0);}
- }
- /**
- * Restart the whole learnpath. Return the URL of the first element.
- * Make sure the results are saved with anoter method. This method should probably be
- * redefined in children classes.
- * To use a similar method statically, use the create_new_attempt() method
- * @return string URL to load in the viewer
- */
- function restart()
- {
- if($this->debug>0){error_log('New LP - In learnpath::restart()',0);}
- //TODO
- //call autosave method to save the current progress
- //$this->index = 0;
- $lp_view_table = Database::get_course_table('lp_view');
- $sql = "INSERT INTO $lp_view_table (lp_id, user_id, view_count) " .
- "VALUES (".$this->lp_id.",".$this->get_user_id().",".($this->attempt+1).")";
- if($this->debug>2){error_log('New LP - Inserting new lp_view for restart: '.$sql,0);}
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if($view_id = Database::get_last_insert_id($res))
- {
- $this->lp_view_id = $view_id;
- $this->attempt = $this->attempt+1;
- }else{
- $this->error = 'Could not insert into item_view table...';
- return false;
- }
- $this->autocomplete_parents($this->current);
- foreach($this->items as $index=>$dummy){
- $this->items[$index]->restart();
- $this->items[$index]->set_lp_view($this->lp_view_id);
- }
- $this->first();
- return true;
- }
- /**
- * Saves the current item
- * @return boolean
- */
- function save_current(){
- if($this->debug>0){error_log('New LP - In learnpath::save_current()',0);}
- //TODO do a better check on the index pointing to the right item (it is supposed to be working
- // on $ordered_items[] but not sure it's always safe to use with $items[])
- if($this->debug>2){error_log('New LP - save_current() saving item '.$this->current,0);}
- if($this->debug>2){error_log(''.print_r($this->items,true),0);}
- if(is_object($this->items[$this->current])){
- //$res = $this->items[$this->current]->save(false);
- $res = $this->items[$this->current]->save(false,$this->prerequisites_match($this->current));
- $this->autocomplete_parents($this->current);
- $status = $this->items[$this->current]->get_status();
- $this->append_message('new_item_status: '.$status);
- $this->update_queue[$this->current] = $status;
- return $res;
- }
- return false;
- }
- /**
- * Saves the given item
- * @param integer Item ID. Optional (will take from $_REQUEST if null)
- * @param boolean Save from url params (true) or from current attributes (false). Optional. Defaults to true
- * @return boolean
- */
- function save_item($item_id=null,$from_outside=true){
- if($this->debug>0){error_log('New LP - In learnpath::save_item('.$item_id.','.$from_outside.')',0);}
- //TODO do a better check on the index pointing to the right item (it is supposed to be working
- // on $ordered_items[] but not sure it's always safe to use with $items[])
- if(empty($item_id)){
- $item_id = $this->escape_string($_REQUEST['id']);
- }
- if(empty($item_id))
- {
- $item_id = $this->get_current_item_id();
- }
- if($this->debug>2){error_log('New LP - save_current() saving item '.$item_id,0);}
- if(is_object($this->items[$item_id])){
- $res = $this->items[$item_id]->save($from_outside,$this->prerequisites_match($item_id));
- //$res = $this->items[$item_id]->save($from_outside);
- $this->autocomplete_parents($item_id);
- $status = $this->items[$item_id]->get_status();
- $this->append_message('new_item_status: '.$status);
- $this->update_queue[$item_id] = $status;
- return $res;
- }
- return false;
- }
- /**
- * Saves the last item seen's ID only in case
- */
- function save_last(){
- if($this->debug>0){error_log('New LP - In learnpath::save_last()',0);}
- $table = Database::get_course_table('lp_view');
- if(isset($this->current)){
- if($this->debug>2){error_log('New LP - Saving current item ('.$this->current.') for later review',0);}
- $sql = "UPDATE $table SET last_item = ".$this->get_current_item_id()." " .
- "WHERE lp_id = ".$this->get_id()." AND user_id = ".$this->get_user_id();
- if($this->debug>2){error_log('New LP - Saving last item seen : '.$sql,0);}
- $res = api_sql_query($sql,__FILE__,__LINE__);
- }
- //save progress
- list($progress,$text) = $this->get_progress_bar_text('%');
- if($progress>=0 AND $progress<=100){
- $progress= (int)$progress;
- $sql = "UPDATE $table SET progress = $progress " .
- "WHERE lp_id = ".$this->get_id()." AND " .
- "user_id = ".$this->get_user_id();
- $res = api_sql_query($sql,__FILE__, __LINE__); //ignore errors as some tables might not have the progress field just yet
- $this->progress_db = $progress;
- }
- }
- /**
- * Sets the current item ID (checks if valid and authorized first)
- * @param integer New item ID. If not given or not authorized, defaults to current
- */
- function set_current_item($item_id=null)
- {
- if($this->debug>0){error_log('New LP - In learnpath::set_current_item('.$item_id.')',0);}
- if(empty($item_id)){
- if($this->debug>2){error_log('New LP - No new current item given, ignore...',0);}
- //do nothing
- }else{
- if($this->debug>2){error_log('New LP - New current item given is '.$item_id.'...',0);}
- $item_id = $this->escape_string($item_id);
- //TODO check in database here
- $this->last = $this->current;
- $this->current = $item_id;
- //TODO update $this->index as well
- foreach($this->ordered_items as $index => $item)
- {
- if($item == $this->current)
- {
- $this->index = $index;
- break;
- }
- }
- if($this->debug>2){error_log('New LP - set_current_item('.$item_id.') done. Index is now : '.$this->index,0);}
- }
- }
- /**
- * Sets the encoding
- * @param string New encoding
- */
- function set_encoding($enc='ISO-8859-1'){
- if($this->debug>0){error_log('New LP - In learnpath::set_encoding()',0);}
- $enc = strtoupper($enc);
- $encodings = array('UTF-8','ISO-8859-1','ISO-8859-15','cp1251','cp1252','KOI8-R','BIG5','GB2312','Shift_JIS','EUC-JP','');
- if(in_array($enc,$encodings)){
- $lp = $this->get_id();
- if($lp!=0){
- $tbl_lp = Database::get_course_table('lp');
- $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE id = ".$lp;
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return $res;
- }
- }
- return false;
- }
- /**
- * Sets the JS lib setting in the database directly.
- * This is the JavaScript library file this lp needs to load on startup
- * @param string Proximity setting
- */
- function set_jslib($lib=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_jslib()',0);}
- $lp = $this->get_id();
- if($lp!=0){
- $tbl_lp = Database::get_course_table('lp');
- $sql = "UPDATE $tbl_lp SET js_lib = '$lib' WHERE id = ".$lp;
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return $res;
- }else{
- return false;
- }
- }
- /**
- * Sets the name of the LP maker (publisher) (and save)
- * @param string Optional string giving the new content_maker of this learnpath
- */
- function set_maker($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_maker()',0);}
- if(empty($name))return false;
-
- $this->maker = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET content_maker = '".$this->maker."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new content_maker : '.$this->maker,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
- /**
- * Sets the name of the current learnpath (and save)
- * @param string Optional string giving the new name of this learnpath
- */
- function set_name($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_name()',0);}
- if(empty($name))return false;
-
- $this->name = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET name = '".$this->name."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new name : '.$this->name,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
-
- // if the lp is visible on the homepage, change his name there
- if(mysql_affected_rows())
- {
- $table = Database :: get_course_table(TABLE_TOOL_LIST);
- $sql = 'UPDATE '.$table.' SET
- name = "'.$this->name.'"
- WHERE link = "newscorm/lp_controller.php?action=view&lp_id='.$lp_id.'"';
- api_sql_query($sql, __FILE__, __LINE__);
- }
- return true;
- }
- /**
- * Set index specified prefix terms for all items in this path
- * @param string Comma-separated list of terms
- * @param char Xapian term prefix
- * @return boolean False on error, true otherwise
- */
- function set_terms_by_prefix($terms_string, $prefix) {
- if (api_get_setting('search_enabled') !== 'true')
- return FALSE;
- $terms_string = trim($terms_string);
- $terms = explode(',', $terms_string);
- array_walk($terms, 'trim_value');
-
- $stored_terms = $this->get_common_index_terms_by_prefix($prefix);
- //var_dump($stored_terms);
- //var_dump($terms);
- // don't do anything if no change, verify only at DB, not the search engine
- if ( (count(array_diff($terms, $stored_terms))==0) && (count(array_diff($stored_terms, $terms))==0) )
- return FALSE;
- require_once('xapian.php'); //TODO try catch every xapian use or make wrappers on api
- require_once(api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php');
- require_once(api_get_path(LIBRARY_PATH).'search/xapian/XapianQuery.php');
- require_once(api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php');
- $items_table = Database::get_course_table('lp_item');
- //TODO: make query secure agains XSS : use member attr instead of post var
- $lp_id = $_POST['lp_id'];
- $sql = "SELECT * FROM $items_table WHERE lp_id = $lp_id";
- $result = api_sql_query($sql);
- $di = new DokeosIndexer();
-
- while($lp_item = Database::fetch_array($result))
- {
- // get search_did
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level=%d LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp_id, $lp_item['id']);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $se_ref = Database::fetch_array($res);
- // compare terms
- $doc = $di->get_document($se_ref['search_did']);
- $xapian_terms = xapian_get_doc_terms($doc, $prefix);
- //var_dump($xapian_terms);
- $xterms = array();
- foreach ($xapian_terms as $xapian_term) $xterms[] = substr($xapian_term['name'],1);
- $dterms = $terms;
- //var_dump($xterms);
- //var_dump($dterms);
-
- $missing_terms = array_diff($dterms, $xterms);
- $deprecated_terms = array_diff($xterms, $dterms);
- // save it to search engine
- foreach ($missing_terms as $term)
- {
- $doc->add_term($prefix. $term, 1);
- }
- foreach ($deprecated_terms as $term)
- {
- $doc->remove_term($prefix.$term);
- }
- $di->getDb()->replace_document((int)$se_ref['search_did'], $doc);
- $di->getDb()->flush();
- }
- return true;
- }
- /**
- * Sets the theme of the LP (local/remote) (and save)
- * @param string Optional string giving the new theme of this learnpath
- * @return bool returns true if theme name is not empty
- */
- function set_theme($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_theme()',0);}
- $this->theme = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET theme = '".$this->theme."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new theme : '.$this->theme,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
- /**
- * Sets the image of an LP (and save)
- * @param string Optional string giving the new image of this learnpath
- * @return bool returns true if theme name is not empty
- */
- function set_preview_image($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_preview_image()',0);}
- $this->preview_image = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET preview_image = '".$this->preview_image."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new preview image : '.$this->preview_image,0);}
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
-
-
- /**
- * Sets the author of a LP (and save)
- * @param string Optional string giving the new author of this learnpath
- * @return bool returns true if author's name is not empty
- */
- function set_author($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_author()',0);}
- $this->author = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET author = '".$this->author."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new preview author : '.$this->author,0);}
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
-
- /**
- * Sets the location/proximity of the LP (local/remote) (and save)
- * @param string Optional string giving the new location of this learnpath
- */
- function set_proximity($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_proximity()',0);}
- if(empty($name))return false;
-
- $this->proximity = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET content_local = '".$this->proximity."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new proximity : '.$this->proximity,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
- /**
- * Sets the previous item ID to a given ID. Generally, this should be set to the previous 'current' item
- * @param integer DB ID of the item
- */
- function set_previous_item($id)
- {
- if($this->debug>0){error_log('New LP - In learnpath::set_previous_item()',0);}
- $this->last = $id;
- }
- /**
- * Sets the object's error message
- * @param string Error message. If empty, reinits the error string
- * @return void
- */
- function set_error_msg($error='')
- {
- if($this->debug>0){error_log('New LP - In learnpath::set_error_msg()',0);}
- if(empty($error)){
- $this->error = '';
- }else{
- $this->error .= $error;
- }
- }
- /**
- * Launches the current item if not 'sco' (starts timer and make sure there is a record ready in the DB)
- *
- */
- function start_current_item($allow_new_attempt=false){
- if($this->debug>0){error_log('New LP - In learnpath::start_current_item()',0);}
- if($this->current != 0 AND
- is_object($this->items[$this->current]))
- {
- $type = $this->get_type();
- $item_type = $this->items[$this->current]->get_type();
- if(
- ($type == 2 && $item_type!='sco')
- OR
- ($type == 3 && $item_type!='au')
- OR
- ($type == 1 && $item_type!=TOOL_QUIZ && $item_type!=TOOL_HOTPOTATOES)
- )
- {
- $this->items[$this->current]->open($allow_new_attempt);
-
- $this->autocomplete_parents($this->current);
- $prereq_check = $this->prerequisites_match($this->current);
- $this->items[$this->current]->save(false,$prereq_check);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- }else{
- //if sco, then it is supposed to have been updated by some other call
- }
- if ($item_type=='sco') {
- $this->items[$this->current]->restart();
- }
- }
- if($this->debug>0){error_log('New LP - End of learnpath::start_current_item()',0);}
- return true;
- }
- /**
- * Stops the processing and counters for the old item (as held in $this->last)
- * @param
- */
- function stop_previous_item(){
- if($this->debug>0){error_log('New LP - In learnpath::stop_previous_item()',0);}
- if($this->last != 0 AND $this->last!=$this->current AND is_object($this->items[$this->last]))
- {
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' is object',0);}
- switch($this->get_type()){
- case '3':
- if($this->items[$this->last]->get_type()!='au')
- {
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 3 is <> au',0);}
- $this->items[$this->last]->close();
- //$this->autocomplete_parents($this->last);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - Item is an AU, saving is managed by AICC signals',0);}
- }
- case '2':
- if($this->items[$this->last]->get_type()!='sco')
- {
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 2 is <> sco',0);}
- $this->items[$this->last]->close();
- //$this->autocomplete_parents($this->last);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - Item is a SCO, saving is managed by SCO signals',0);}
- }
- break;
- case '1':
- default:
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 1 is asset',0);}
- $this->items[$this->last]->close();
- break;
- }
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - No previous element found, ignoring...',0);}
- return false;
- }
- return true;
- }
- /**
- * Updates the default view mode from fullscreen to embedded and inversely
- * @return string The current default view mode ('fullscreen' or 'embedded')
- */
- function update_default_view_mode()
- {
- if($this->debug>0){error_log('New LP - In learnpath::update_default_view_mode()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $view_mode = $row['default_view_mod'];
- if($view_mode == 'fullscreen'){
- $view_mode = 'embedded';
- }elseif($view_mode == 'embedded'){
- $view_mode = 'fullscreen';
- }
- $sql = "UPDATE $lp_table SET default_view_mod = '$view_mode' WHERE id = ".$this->get_id();
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $this->mode = $view_mode;
- return $view_mode;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_default_view() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
- /**
- * Updates the default behaviour about auto-commiting SCORM updates
- * @return boolean True if auto-commit has been set to 'on', false otherwise
- */
- function update_default_scorm_commit(){
- if($this->debug>0){error_log('New LP - In learnpath::update_default_scorm_commit()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $force = $row['force_commit'];
- if($force == 1){
- $force = 0;
- $force_return = false;
- }elseif($force == 0){
- $force = 1;
- $force_return = true;
- }
- $sql = "UPDATE $lp_table SET force_commit = $force WHERE id = ".$this->get_id();
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $this->force_commit = $force_return;
- return $force_return;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_default_scorm_commit() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
- /**
- * Updates the order of learning paths (goes through all of them by order and fills the gaps)
- * @return bool True on success, false on failure
- */
- function update_display_order()
- {
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table ORDER BY display_order";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if($res === false) return false;
- $lps = array();
- $lp_order = array();
- $num = Database::num_rows($res);
- //first check the order is correct, globally (might be wrong because
- //of versions < 1.8.4)
- if($num>0)
- {
- $i = 1;
- while($row = Database::fetch_array($res))
- {
- if($row['display_order'] != $i)
- { //if we find a gap in the order, we need to fix it
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i WHERE id = ".$row['id'];
- $res_u = api_sql_query($sql_u, __FILE__, __LINE__);
- }
- $i++;
- }
- }
- return true;
- }
- /**
- * Updates the "prevent_reinit" value that enables control on reinitialising items on second view
- * @return boolean True if prevent_reinit has been set to 'on', false otherwise (or 1 or 0 in this case)
- */
- function update_reinit(){
- if($this->debug>0){error_log('New LP - In learnpath::update_reinit()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $force = $row['prevent_reinit'];
- if($force == 1){
- $force = 0;
- }elseif($force == 0){
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET prevent_reinit = $force WHERE id = ".$this->get_id();
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $this->prevent_reinit = $force;
- return $force;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_reinit() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
- /**
- * Updates the "scorm_debug" value that shows or hide the debug window
- * @return boolean True if scorm_debug has been set to 'on', false otherwise (or 1 or 0 in this case)
- */
- function update_scorm_debug(){
- if($this->debug>0){error_log('New LP - In learnpath::update_scorm_debug()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql, __FILE__, __LINE__);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $force = $row['debug'];
- if($force == 1){
- $force = 0;
- }elseif($force == 0){
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET debug = $force WHERE id = ".$this->get_id();
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $this->scorm_debug = $force;
- return $force;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_scorm_debug() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
-
- /**
- * Function that makes a call to the function sort_tree_array and create_tree_array
- *
- * @author Kevin Van Den Haute
- *
- * @param unknown_type $array
- */
- function tree_array($array)
- {
- if($this->debug>1){error_log('New LP - In learnpath::tree_array()',0);}
- $array = $this->sort_tree_array($array);
- $this->create_tree_array($array);
- }
- /**
- * Creates an array with the elements of the learning path tree in it
- *
- * @author Kevin Van Den Haute
- *
- * @param array $array
- * @param int $parent
- * @param int $depth
- * @param array $tmp
- */
- function create_tree_array($array, $parent = 0, $depth = -1, $tmp = array())
- {
- if($this->debug>1){error_log('New LP - In learnpath::create_tree_array())',0);}
- if(is_array($array))
- {
- for($i = 0; $i < count($array); $i++)
- {
- if($array[$i]['parent_item_id'] == $parent)
- {
- if(!in_array($array[$i]['parent_item_id'], $tmp))
- {
- $tmp[] = $array[$i]['parent_item_id'];
- $depth++;
- }
- $preq = (empty($array[$i]['prerequisite'])?'':$array[$i]['prerequisite']);
- $this->arrMenu[] = array(
- 'id' => $array[$i]['id'],
- 'item_type' => $array[$i]['item_type'],
- 'title' => $array[$i]['title'],
- 'path' => $array[$i]['path'],
- 'description' => $array[$i]['description'],
- 'parent_item_id' => $array[$i]['parent_item_id'],
- 'previous_item_id' => $array[$i]['previous_item_id'],
- 'next_item_id' => $array[$i]['next_item_id'],
- 'min_score' => $array[$i]['min_score'],
- 'max_score' => $array[$i]['max_score'],
- 'mastery_score' => $array[$i]['mastery_score'],
- 'display_order' => $array[$i]['display_order'],
- 'prerequisite' => $preq,
- 'depth' => $depth,
- 'audio' => $array[$i]['audio']
- );
-
- $this->create_tree_array($array, $array[$i]['id'], $depth, $tmp);
- }
- }
- }
- }
-
- /**
- * Sorts a multi dimensional array by parent id and display order
- * @author Kevin Van Den Haute
- *
- * @param array $array (array with al the learning path items in it)
- *
- * @return array
- */
- function sort_tree_array($array)
- {
- foreach($array as $key => $row)
- {
- $parent[$key] = $row['parent_item_id'];
- $position[$key] = $row['display_order'];
- }
-
- if(count($array) > 0)
- array_multisort($parent, SORT_ASC, $position, SORT_ASC, $array);
-
- return $array;
- }
-
-
-
- /**
- * Function that creates a table structure with a learning path his modules, chapters and documents.
- * Also the actions for the modules, chapters and documents are in this table.
- *
- * @author Kevin Van Den Haute
- *
- * @param int $lp_id
- *
- * @return string
- */
- function overview()
- {
- if($this->debug>0){error_log('New LP - In learnpath::overview()',0);}
- global $charset, $_course;
- $return = '';
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- $mycharset=api_get_setting('platform_charset');
-
- while($row = Database::fetch_array($result))
- {
-
- $row['title'] = mb_convert_encoding($row['title'], $mycharset,$this->encoding);
-
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'display_order' => $row['display_order'],
- 'audio' => $row['audio']
- );
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- if(api_is_allowed_to_edit())
- {
- $return .= '<div class="actions">';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=build&lp_id=' . $this->lp_id . '">'.Display::return_icon('learnpath_build.gif', get_lang('Build')).' '.get_lang('Build').'</a>';
-
- $return .= '<span>'.Display::return_icon('learnpath_organize.gif', get_lang("BasicOverview")).' '.get_lang("BasicOverview").'</span>';
-
- $return .= '<a href="lp_controller.php?cidReq='.$_GET['cidReq'].'&action=view&lp_id='.$this->lp_id.'">'.Display::return_icon('learnpath_view.gif', get_lang("Display")).' '.get_lang("Display").'</a>';
-
- $return .= '<a href="'.api_get_self().'?cidReq='.Security::remove_XSS($_GET['cidReq']).'&action='.Security::remove_XSS($_GET['action']).'&lp_id='.Security::remove_XSS($_GET['lp_id']).'&updateaudio=true">'.Display::return_icon('audio.gif', get_lang('UpdateAllAudioFragments')).' '.get_lang('UpdateAllAudioFragments').'</a>';
- $return .= '</div>';
- }
-
- // we need to start a form when we want to update all the mp3 files
- if ($_GET['updateaudio'] == 'true' AND count($arrLP) <> 0)
- {
- $return .= '<form action="'.api_get_self().'?cidReq='.Security::remove_XSS($_GET['cidReq']).'&action='.Security::remove_XSS($_GET['action']).'&lp_id='.Security::remove_XSS($_GET['lp_id']).'" method="post" enctype="multipart/form-data" name="updatemp3" id="updatemp3">';
- $return .= Display::display_warning_message(get_lang('LeaveEmptyToKeepCurrentFile'));
- }
-
- $return .= '<table class="data_table">' . "\n";
-
- $return .= "\t" . '<tr>' . "\n";
-
- $return .= "\t" . '<th width="60%">'.get_lang("Title").'</th>' . "\n";
- //$return .= "\t" . '<th>'.get_lang("Description").'</th>' . "\n";
- $return .= "\t" . '<th>'.get_lang("Audio").'</th>' . "\n";
- $return .= "\t" . '<th>'.get_lang("Move").'</th>' . "\n";
- $return .= "\t" . '<th>'.get_lang("Actions").'</th>' . "\n";
-
- $return .= "\t" . '</tr>' . "\n";
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- $title=$arrLP[$i]['title'];
-
- if($arrLP[$i]['description'] == '')
- $arrLP[$i]['description'] = ' ';
-
- if (($i % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
-
- $return .= "\t" . '<tr class="'.$oddclass.'">' . "\n";
-
- $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
- if (file_exists("../img/lp_" . $icon_name . ".png"))
- {
- $return .= "\t\t" . '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/lp_' . $icon_name . '.png" style="margin-right:3px;" />' . $title . '</td>' . "\n";
- }
- else if(file_exists("../img/lp_" . $icon_name . ".gif"))
- {
- $return .= "\t\t" . '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/lp_' . $icon_name . '.gif" style="margin-right:3px;" />' . $title . '</td>' . "\n";
- }
- else
- {
- $return .= "\t\t" . '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/lp_document.png" style="margin-right:3px;" />' . $title . '</td>' . "\n";
- }
- //$return .= "\t\t" . '<td>' . stripslashes($arrLP[$i]['description']) . '</td>' . "\n";
-
- // The audio column
- $return .= "\t\t" . '<td align="center">';
- if (!$_GET['updateaudio'] OR $_GET['updateaudio'] <> 'true')
- {
- if (!empty($arrLP[$i]['audio']))
- {
- $return .= '<span id="container'.$i.'"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</span>';
- $return .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
- $return .= '<script type="text/javascript">
- var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
- s1.addParam("allowscriptaccess","always");
- s1.addParam("flashvars","file=../../courses/'.$_course['path'].'/document/audio/'.$arrLP[$i]['audio'].'&image=preview.jpg");
- s1.write("container'.$i.'");
- </script>';
- }
- else
- {
- $return .= ' - ';
- }
- }
- else
- {
- if ($arrLP[$i]['item_type']!='dokeos_chapter' && $arrLP[$i]['item_type'] != 'dokeos_module' && $arrLP[$i]['item_type'] != 'dir') {
- $return .= ' <input type="file" name="mp3file'.$arrLP[$i]['id'].'" id="mp3file" />';
- if (!empty($arrLP[$i]['audio']))
- {
- $return .= '<br /><input type="checkbox" name="removemp3'.$arrLP[$i]['id'].'" id="checkbox'.$arrLP[$i]['id'].'" />'.get_lang('RemoveAudio');
- }
- }
- }
- $return .= '</td>' . "\n";
-
- if(api_is_allowed_to_edit())
- {
- $return .= "\t\t" . '<td align="center">' . "\n";
-
- if($arrLP[$i]['previous_item_id'] != 0)
- {
-
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=move_item&direction=up&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '">';
- $return .= '<img style="margin:1px;" alt="" src="../img/arrow_up_' . ($arrLP[$i]['depth'] % 3). '.gif" title="' . get_lang('MoveUp') .'"/>';
- $return .= '</a>' . "\n";
-
- }
- else
- $return .= "\t\t\t" . '<img alt="" src="../img/blanco.png" title="" />' . "\n";
-
- if($arrLP[$i]['next_item_id'] != 0)
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=move_item&direction=down&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '">';
- $return .= '<img style="margin:1px;" src="../img/arrow_down_' . ($arrLP[$i]['depth'] % 3) . '.gif" title="' . get_lang('MoveDown') . '" />';
-
- $return .= '</a>' . "\n";
- }
- else
- $return .= "\t\t\t" . '<img alt="" src="../img/blanco.png" title="" />' . "\n";
-
- $return .= "\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '<td align="center">' . "\n";
-
- if($arrLP[$i]['item_type'] != 'dokeos_chapter' && $arrLP[$i]['item_type'] != 'dokeos_module')
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item&view=build&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '&path_item='.$arrLP[$i]['path'].'">';
- $return .= '<img style="margin:1px;" alt="" src="../img/edit.gif" title="' . get_lang('_edit_learnpath_module') . '" />';
- $return .= '</a>' . "\n";
- }
- else
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '&path_item='.$arrLP[$i]['path'].'">';
- $return .= '<img style="margin:1px;" alt="" src="../img/edit.gif" title="' . get_lang('_edit_learnpath_module') . '" />';
- $return .= '</a>' . "\n";
- }
-
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=delete_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '" onclick="return confirmation(\'' . addslashes($title). '\');">';
- $return .= '<img style="margin:1px;" alt="" src="../img/delete.gif" title="' . get_lang('_delete_learnpath_module') . '" />';
- $return .= '</a>' . "\n";
-
- $return .= "\t\t" . '</td>' . "\n";
- }
-
- $return .= "\t" . '</tr>' . "\n";
- }
-
- if(count($arrLP) == 0)
- {
- $return .= "\t" . '<tr>' . "\n";
- $return .= "\t\t" . '<td colspan="4">'.get_lang("NoItemsInLp").'</td>' . "\n";
- $return .= "\t" . '</tr>' . "\n";
- }
- $return .= '</table>' . "\n";
- // we need to close the form when we are updating the mp3 files
-
- if ($_GET['updateaudio'] == 'true')
- {
- $return .= '<div style="margin:40px 0; float:right;"><button class="save" type="submit" name="save_audio" id="save_audio">'.get_lang('Save audio and organization').'</button></div>';
- }
-
-
- // we need to close the form when we are updating the mp3 files
- if ($_GET['updateaudio'] == 'true' AND count($arrLP) <> 0)
- {
- $return .= '</form>';
- }
-
- return $return;
- }
- /**
- * This function builds the action menu
- *
- * */
- function build_action_menu()
- {
- echo '<div class="actions">';
- echo '<span>'.Display::return_icon('learnpath_build.gif').' '.get_lang('Build').'</span>';
- echo '<a href="' .api_get_self(). '?cidReq=' . Security::remove_XSS($_GET['cidReq']) . '&action=admin_view&lp_id=' . $_SESSION['oLP']->lp_id . '">'.Display::return_icon('learnpath_organize.gif').' '.get_lang("BasicOverview").'</a>';
- echo '<a href="lp_controller.php?cidReq='.Security::remove_XSS($_GET['cidReq']).'&action=view&lp_id='.$_SESSION['oLP']->lp_id.'">'.Display::return_icon('learnpath_view.gif').' '.get_lang('Display').'</a>';
- echo '<a href="' .api_get_self(). '?cidReq=' . Security::remove_XSS($_GET['cidReq']) . '&action=add_item&type=chapter&lp_id=' . $_SESSION['oLP']->lp_id . '" title="'.get_lang("NewChapter").'"><img alt="'.get_lang("NewChapter").'" src="../img/lp_dokeos_chapter_add.png" title="'.get_lang("NewChapter").'" />'.get_lang("NewChapter").'</a>';
- echo '<a href="' .api_get_self(). '?cidReq=' . Security::remove_XSS($_GET['cidReq']) . '&action=add_item&type=step&lp_id=' . $_SESSION['oLP']->lp_id . '" title="'.get_lang("NewStep").'"><img alt="'.get_lang("NewStep").'" src="../img/lp_dokeos_step_add.png" title="'.get_lang("NewStep").'" />'.get_lang("NewStep").'</a>';
- echo '</div>';
- }
-
- /**
- * This functions builds the LP tree based on data from the database.
- *
- * @return string
- * @uses dtree.js :: necessary javascript for building this tree
- */
- function build_tree()
- {
- $return = "<script type=\"text/javascript\">\n";
- $return .= "\tm = new dTree('m');\n\n";
- $return .= "\tm.config.folderLinks = true;\n";
- $return .= "\tm.config.useCookies = true;\n";
- $return .= "\tm.config.useIcons = true;\n";
- $return .= "\tm.config.useLines = true;\n";
- $return .= "\tm.config.useSelection = true;\n";
- $return .= "\tm.config.useStatustext = false;\n\n";
-
- $menu = 0;
- $parent = '';
-
- $return .= "\tm.add(" . $menu . ", -1, '" . addslashes($this->name) . "');\n";
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- $mycharset=api_get_setting('platform_charset');
-
- while($row = Database::fetch_array($result))
- {
-
- if($this->encoding!=$mycharset)
- {
- $row['title'] = mb_convert_encoding($row['title'], $mycharset,$this->encoding);
- }
-
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'display_order' => $row['display_order']);
- }
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
- $title='';
- for($i = 0; $i < count($arrLP); $i++)
- {
- $title = addslashes($arrLP[$i]['title']);
- $menu_page = api_get_self() . '?cidReq=' . $_GET['cidReq'] . '&action=view_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $_SESSION['oLP']->lp_id;
- $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
- if (file_exists("../img/lp_" . $icon_name . ".png"))
- {
- $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . $title . "', '" . $menu_page . "', '', '', '../img/lp_" . $icon_name . ".png', '../img/lp_" . $icon_name . ".png');\n";
- }
- else if(file_exists("../img/lp_" . $icon_name . ".gif"))
- {
- $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . $title . "', '" . $menu_page . "', '', '', '../img/lp_" . $icon_name . ".gif', '../img/lp_" . $icon_name . ".gif');\n";
- }
- else
- {
- $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . $title . "', '" . $menu_page . "', '', '', '../img/lp_document.png', '../img/lp_document.png');\n";
- }
- if($menu < $arrLP[$i]['id'])
- $menu = $arrLP[$i]['id'];
- }
-
- $return .= "\n\tdocument.write(m);\n";
- $return .= "\t if(!m.selectedNode) m.s(1);";
- $return .= "</script>\n";
-
- return $return;
- }
-
- /**
- * Create a new document //still needs some finetuning
- *
- * @param array $_course
- * @return string
- */
- function create_document($_course)
- {
- $dir = isset($_GET['dir']) ? $_GET['dir'] : $_POST['dir']; // please do not modify this dirname formatting
-
- if(strstr($dir, '..'))
- $dir = '/';
-
- if($dir[0] == '.')
- $dir = substr($dir, 1);
-
- if($dir[0] != '/')
- $dir = '/'.$dir;
-
- if($dir[strlen($dir) - 1] != '/')
- $dir .= '/';
-
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document' . $dir;
-
- if(!is_dir($filepath))
- {
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document/';
-
- $dir = '/';
- }
-
- //stripslashes before calling replace_dangerous_char() because $_POST['title']
- //is already escaped twice when it gets here
- $title = replace_dangerous_char(stripslashes($_POST['title']));
- $title = disable_dangerous_file($title);
- $title = replace_accents($title);
-
- $filename = $title;
- $content = $_POST['content_lp'];
-
- $tmp_filename = $filename;
-
- $i=0;
- while(file_exists($filepath . $tmp_filename . '.html'))
- $tmp_filename = $filename . '_' . ++$i;
-
- $filename = $tmp_filename . '.html';
-
- $content = stripslashes(text_filter($content));
-
- $content = str_replace(api_get_path('WEB_COURSE_PATH'), api_get_path(REL_PATH).'courses/', $content);
-
- // change the path of mp3 to absolute
- // first regexp deals with ../../../ urls
- $content = preg_replace("|(flashvars=\"file=)(\.+/)+|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/',$content);
- //second regexp deals with audio/ urls
- $content = preg_replace("|(flashvars=\"file=)([^/]+)/|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/',$content);
-
-
- // for flv player : to prevent edition problem with firefox, we have to use a strange tip (don't blame me please)
- $content = str_replace('</body>','<style type="text/css">body{}</style></body>',$content);
-
- if(!file_exists($filepath . $filename))
- {
- if($fp = @fopen($filepath . $filename, 'w'))
- {
- fputs($fp, $content);
- fclose($fp);
-
- $file_size = filesize($filepath . $filename);
- $save_file_path = $dir . $filename;
-
- $document_id = add_document($_course, $save_file_path, 'file', $file_size, $filename . '.html');
-
- if($document_id)
- {
- api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', api_get_user_id());
-
- //update parent folders
- //item_property_update_on_folder($_course, $_GET['dir'], $_user['user_id']);
-
- $new_comment = (isset($_POST['comment'])) ? trim($_POST['comment']) : '';
- $new_title = (isset($_POST['title'])) ? trim($_POST['title']) : '';
-
- if($new_comment || $new_title)
- {
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
- $ct = '';
-
- if($new_comment)
- $ct .= ", comment='" . $new_comment . "'";
-
- if($new_title)
- $ct .= ", title='" . $new_title . ".html '";
-
- $sql_update = "
- UPDATE " . $tbl_doc . "
- SET " . substr($ct, 1) . "
- WHERE id = " . $document_id;
- api_sql_query($sql_update, __FILE__, __LINE__);
- }
- }
-
- return $document_id;
- }
- }
- }
-
- /**
- * Edit a document based on $_POST and $_GET parameters 'dir' and 'path'
- *
- * @param array $_course array
- * @return void
- */
- function edit_document($_course)
- {
- global $_configuration;
-
-
- $dir = isset($_GET['dir']) ? $_GET['dir'] : $_POST['dir']; // please do not modify this dirname formatting
-
- if(strstr($dir, '..'))
- $dir = '/';
-
- if($dir[0] == '.')
- $dir = substr($dir, 1);
-
- if($dir[0] != '/')
- $dir = '/'.$dir;
-
- if($dir[strlen($dir) - 1] != '/')
- $dir .= '/';
-
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document'.$dir;
-
- if(!is_dir($filepath))
- {
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document/';
-
- $dir = '/';
- }
-
- $table_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql = "
- SELECT path
- FROM " . $table_doc . "
- WHERE id = " . $_POST['path'];
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
- $content = stripslashes($_POST['content_lp']);
- $file = $filepath . $row['path'];
-
-
- if($fp = @fopen($file, 'w'))
- {
- $content = text_filter($content);
- $content = str_replace(api_get_path('WEB_COURSE_PATH'), $_configuration['url_append'].'/courses/', $content);
-
- // change the path of mp3 to absolute
- // first regexp deals with ../../../ urls
- $content = preg_replace("|(flashvars=\"file=)(\.+/)+|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/',$content);
- //second regexp deals with audio/ urls
- $content = preg_replace("|(flashvars=\"file=)([^/]+)/|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/',$content);
-
- fputs($fp, $content);
- fclose($fp);
- }
- }
-
- /**
- * Displays the selected item, with a panel for manipulating the item
- *
- * @param int $item_id
- * @param string $msg
- * @return string
- */
- function display_item($item_id, $iframe = true, $msg = '')
- {
- global $_course; //will disappear
-
- $return = '';
-
- if(is_numeric($item_id))
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
- $sql = "
- SELECT
- lp.*
- FROM " . $tbl_lp_item . " as lp
- WHERE
- lp.id = " . $item_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- while($row = Database::fetch_array($result))
- {
- $_SESSION['parent_item_id'] = ($row['item_type']=='dokeos_chapter' || $row['item_type']=='dokeos_module' || $row['item_type']=='dir')?$item_id:0;
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
-
- $return .= '<div style="padding:10px;">';
-
- if($msg != '')
- $return .= $msg;
-
- if($this->encoding=='UTF-8')
- {
- $row['title'] = utf8_decode($row['title']);
- }
-
- $return .= '<p class="lp_title">' . stripslashes($row['title']) . '</p>';
- //$return .= '<p class="lp_text">' . ((trim($row['description']) == '') ? 'no description' : stripslashes($row['description'])) . '</p>';
-
- //$return .= '<hr />';
-
- if($row['item_type'] == TOOL_DOCUMENT)
- {
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql_doc = "SELECT path FROM " . $tbl_doc . " WHERE id = " . $row['path'];
- $result=api_sql_query($sql_doc, __FILE__, __LINE__);
- $path_file=Database::result($result,0,0);
- $path_parts = pathinfo($path_file);
-
- if(in_array($path_parts['extension'],array('html','txt','png', 'jpg', 'JPG', 'jpeg', 'JPEG', 'gif', 'swf')))
- {
- $return .= $this->display_document($row['path'], true, true);
- }
- }
-
- $return .= '</div>';
- }
- }
-
- return $return;
- }
-
- /**
- * Shows the needed forms for editing a specific item
- *
- * @param int $item_id
- * @return string
- */
- function display_edit_item($item_id)
- {
- global $_course; //will disappear
-
- $return = '';
-
- if(is_numeric($item_id))
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $item_id;
-
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
-
- switch($row['item_type'])
- {
- case 'dokeos_chapter': case 'dir' : case 'asset' : case 'sco' :
- if(isset($_GET['view']) && $_GET['view'] == 'build')
- {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang("EditCurrentChapter").' :', 'edit', $item_id, $row);
- }
- else
- {
- $return .= $this->display_item_small_form($row['item_type'], get_lang("EditCurrentChapter").' :', $row);
- }
-
- break;
-
- case TOOL_DOCUMENT:
-
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql_step = "
- SELECT
- lp.*,
- doc.path as dir
- FROM " . $tbl_lp_item . " as lp
- LEFT JOIN " . $tbl_doc . " as doc ON doc.id = lp.path
- WHERE
- lp.id = " . $item_id;
- $res_step = api_sql_query($sql_step, __FILE__, __LINE__);
- $row_step = Database::fetch_array($res_step);
-
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('edit', $item_id, $row_step);
-
- break;
-
- case TOOL_LINK:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('edit', $item_id, $row);
-
- break;
-
- case 'dokeos_module':
-
- if(isset($_GET['view']) && $_GET['view'] == 'build')
- {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang("EditCurrentModule").' :', 'edit', $item_id, $row);
- }
- else
- {
- $return .= $this->display_item_small_form($row['item_type'], get_lang("EditCurrentModule").' :', $row);
- }
-
- break;
-
- case TOOL_QUIZ:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_quiz_form('edit', $item_id, $row);
-
- break;
-
- case TOOL_HOTPOTATOES:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_hotpotatoes_form('edit', $item_id, $row);
- break;
-
-
- case TOOL_STUDENTPUBLICATION:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_student_publication_form('edit', $item_id, $row);
-
- break;
-
- case TOOL_FORUM:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('edit', $item_id, $row);
-
- break;
-
- case TOOL_THREAD:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_thread_form('edit', $item_id, $row);
-
- break;
- }
- }
-
- return $return;
- }
-
- /**
- * Function that displays a list with al the resources that could be added to the learning path
- *
- * @return string
- */
- function display_resources()
- {
- global $_course; //TODO: don't use globals
-
- $return .= '<div class="sectiontitle">'.get_lang('CreateNewStep').'</div>';
-
- $return .= '<div class="sectioncomment"><a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_DOCUMENT . '&lp_id=' . $_SESSION['oLP']->lp_id . '">'.'<img title="Nuevo documento" src="../img/new_doc.gif" alt="Nuevo documento"/> '.get_lang("NewDocument").'</a></div>';
-
- $return .= '<div class="sectiontitle">'.get_lang('UseAnExistingResource').'</div>';
-
- $return .= '<div class="sectioncomment">';
-
- /* get all the docs */
- $return .= $this->get_documents();
-
- /* get all the exercises */
- $return .= $this->get_exercises();
-
- /* get all the links */
- $return .= $this->get_links();
-
- /* get al the student publications */
- $return .= $this->get_student_publications();
-
- /* get al the forums */
- $return .= $this->get_forums();
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Returns the extension of a document
- *
- * @param unknown_type $filename
- * @return unknown
- */
- function get_extension($filename)
- {
- $explode = explode('.', $filename);
-
- return $explode[count($explode) - 1];
- }
-
- /**
- * Displays a document by id
- *
- * @param unknown_type $id
- * @return unknown
- */
- function display_document($id, $show_title = false, $iframe = true, $edit_link = false)
- {
- global $_course; //temporary
-
- $return = '';
-
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql_doc = "
- SELECT *
- FROM " . $tbl_doc . "
- WHERE id = " . $id;
- $res_doc = api_sql_query($sql_doc, __FILE__, __LINE__);
- $row_doc = Database::fetch_array($res_doc);
-
- //if($show_title)
- //$return .= '<p class="lp_title">' . $row_doc['title'] . ($edit_link ? ' [ <a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_DOCUMENT . '&file=' . $_GET['file'] . '&edit=true&lp_id=' . $_GET['lp_id'] . '">Edit this document</a> ]' : '') . '</p>';
-
- //TODO: add a path filter
- if($iframe){
- $return .= '<iframe id="learnpath_preview_frame" frameborder="0" height="400" width="100%" scrolling="auto" src="' . api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/document' . str_replace('%2F','/',urlencode($row_doc['path'])) . '?'.api_get_cidreq().'"></iframe>';
- }
- else{
- $return .= file_get_contents(api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $row_doc['path']);
- }
-
- return $return;
- }
-
- /**
- * Return HTML form to add/edit a quiz
- *
- * @param string Action (add/edit)
- * @param integer Item ID if already exists
- * @param mixed Extra information (quiz ID if integer)
- * @return string HTML form
- */
- function display_quiz_form($action = 'add', $id = 0, $extra_info = '')
- {
- global $charset;
-
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
-
- if($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- } elseif(is_numeric($extra_info)) {
- $sql_quiz = "
- SELECT
- title,
- description
- FROM " . $tbl_quiz . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_quiz, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
- $item_title = $row['title'];
- $item_description = $row['description'];
- } else {
- $item_title = '';
- $item_description = '';
- }
-
- $item_title = mb_convert_encoding($item_title,$charset,$this->encoding);
- $return = '<div class="sectiontitle">';
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- while($row = Database::fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'max_time_allowed' => $row['max_time_allowed']);
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= get_lang("CreateTheExercise").' :' . "\n";
- elseif($action == 'move')
- $return .= get_lang("MoveTheCurrentExercise").' :' . "\n";
- else
- $return .= get_lang("EditCurrentExecice").' :' . "\n";
-
- if(isset($_GET['edit']) && $_GET['edit'] == 'true') {
- $return .= '<div class="warning-message">';
- $return .= '<p class="lp_title">'.get_lang("Warning").' !</p>';
- $return .= get_lang("WarningEditingDocument");
- $return .= '</div>';
- }
- $return .= '</div>';
- $return .= '<div class="sectioncomment">';
-
- $return .= '<form method="POST">' . "\n";
- $return .= "\t" . '<table>' . "\n";
-
- if($action != 'move') {
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" size="44" type="text" class="learnpath_item_form" value="' . $item_title . '" /></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" style="width:100%;" name="parent" onchange="load_cbo(this.value);" class="learnpath_item_form" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
- $parent_item_id = $_SESSION['parent_item_id'];
- for($i = 0; $i < count($arrLP); $i++) {
- if($action != 'add') {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
-
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang('Position').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select class="learnpath_item_form" style="width:100%;" id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
-
- for($i = 0; $i < count($arrLP); $i++) {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- if($action != 'move') {
- $id_prerequisite=0;
- if (is_array($arrLP )) {
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++) {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- }
- }
- /*//comented the prerequisites, only visible in edit (exercise)
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
- */
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="maxTimeAllowed">'.get_lang('MaxTimeAllowed').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input name="maxTimeAllowed" style="width:98%;" id="maxTimeAllowed" value="' . $extra_info['max_time_allowed'] . '" /></td>';
-
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td> </td><td><button class="save" name="submit_button" type="submit">'.get_lang('AddExercise').'</button></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move') {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info)) {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- } elseif(is_array($extra_info)) {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_QUIZ.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
- $return .= '</div>' . "\n";
- return $return;
- }
- /**
- * Addition of Hotpotatoes tests
- * @param string Action
- * @param integer Internal ID of the item
- * @param mixed Extra information - can be an array with title and description indexes
- * @return string HTML structure to display the hotpotatoes addition formular
- */
- function display_hotpotatoes_form($action = 'add', $id = 0, $extra_info = '')
- {
- global $charset;
- $uploadPath = DIR_HOTPOTATOES; //defined in main_api
- $tbl_lp_item = Database::get_course_table('lp_item');
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- }
- elseif(is_numeric($extra_info))
- {
- $TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
- $sql_hot = "SELECT * FROM ".$TBL_DOCUMENT."
- WHERE path LIKE '".$uploadPath."/%/%htm%'
- ORDER BY id ASC";
-
-
- $res_hot = api_sql_query($sql_hot, __FILE__, __LINE__);
- $row = Database::fetch_array($res_hot);
- $item_title = $row['title'];
- $item_description = $row['description'];
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $item_title=mb_convert_encoding($item_title,$charset,$this->encoding);
- $item_description=mb_convert_encoding($item_description,$charset,$this->encoding);
-
- $return = '<div style="margin:3px 12px;">';
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'max_time_allowed' => $row['max_time_allowed']);
- }
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheExercise").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentExercise").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentExecice").' :</p>' . "\n";
- if(isset($_GET['edit']) && $_GET['edit'] == 'true')
- {
- $return .= '<div class="warning-message">';
- $return .= '<p class="lp_title">'.get_lang("Warning").' !</p>';
- $return .= get_lang("WarningEditingDocument");
- $return .= '</div>';
- }
- $return .= '<form method="POST">' . "\n";
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
- $arrHide = array($id);
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- }
- reset($arrLP);
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '"</option>';
- }
- }
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- }
- }
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites"><option value="0">'.get_lang("NoPrerequisites").'</option>';
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
- $return .= "</select></td>";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- }
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="'.get_lang('Ok').'" /></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t" . '</table>' . "\n";
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_HOTPOTATOES.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
- $return .= '</form>' . "\n";
- $return .= '</div>' . "\n";
- return $return;
- }
- //fin du hotpot form
-
- /**
- * Return the form to display the forum edit/add option
- *
- * @param string Action (add/edit)
- * @param integer ID of the lp_item if already exists
- * @param mixed Forum ID or title
- * @return string HTML form
- */
- function display_forum_form($action = 'add', $id = 0, $extra_info = '')
- {
- global $charset;
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_forum = Database::get_course_table(TABLE_FORUM);
-
- if($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- } elseif(is_numeric($extra_info)) {
- $sql_forum = "
- SELECT
- forum_title as title, forum_comment as comment
- FROM " . $tbl_forum . "
- WHERE forum_id = " . $extra_info;
-
- $result = api_sql_query($sql_forum, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- $item_description = $row['comment'];
- } else {
- $item_title = '';
- $item_description = '';
- }
-
- $item_title=mb_convert_encoding($item_title,$charset,$this->encoding);
- $item_description=mb_convert_encoding($item_description,$charset,$this->encoding);
-
- $return = '<div class="sectiontitle">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= get_lang("CreateTheForum").' :' . "\n";
- elseif($action == 'move')
- $return .= get_lang("MoveTheCurrentForum").' :' . "\n";
- else
- $return .= get_lang("EditCurrentForum").' :' . "\n";
-
- $return .= '</div>';
- $return .= '<div class="sectioncomment">';
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table>' . "\n";
-
- if($action != 'move') {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" size="44" name="title" type="text" value="' . $item_title . '" class="learnpath_item_form" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" style="width:100%;" name="parent" onchange="load_cbo(this.value);" class="learnpath_item_form" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- $parent_item_id = $_SESSION['parent_item_id'];
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
-
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang('Position').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- if (is_array($arrLP)) {
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++) {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- }
- }
- /* //comented the prerequisites, only visible in edit (forum)
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value) {
- if($key==$s_selected_position && $action == 'add') {
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }elseif($key==$id_prerequisite && $action == 'edit') {
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- } else {
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
- */
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td> </td><td><button class="save" name="submit_button" type="submit"> '.get_lang('Ok').' </button></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move') {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info)) {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- } elseif(is_array($extra_info)) {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_FORUM.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
- return $return;
- }
-
- /**
- * Return HTML form to add/edit forum threads
- * @param string Action (add/edit)
- * @param integer Item ID if already exists in learning path
- * @param mixed Extra information (thread ID if integer)
- * @return string HTML form
- */
- function display_thread_form($action = 'add', $id = 0, $extra_info = '')
- {
- global $charset;
- echo '
- <style>
-
- div.row div.label {
- width:110px;
- }
-
- div.row div.formw {
- width: 82%;
- }
- </style>';
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_forum = Database::get_course_table(TABLE_FORUM_THREAD);
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- }
- elseif(is_numeric($extra_info))
- {
- $sql_forum = "
- SELECT
- thread_title as title
- FROM " . $tbl_forum . "
- WHERE thread_id = " . $extra_info;
-
- $result = api_sql_query($sql_forum, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- $item_description = '';
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
- $item_title=mb_convert_encoding($item_title,$charset,$this->encoding);
- $item_description=mb_convert_encoding($item_description,$charset,$this->encoding);
-
- $return = '<div style="margin:3px 12px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheForum").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentForum").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentForum").' :</p>' . "\n";
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- }
- if ($arrLP!=null) {
- reset($arrLP);
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- if ($arrLP!=null) {
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
-
- }
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="'.get_lang('Ok').'" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_THREAD.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
- return $return;
- }
-
- /**
- * Return the HTML form to display an item (generally a section/module item)
- *
- * @param string Item type (module/dokeos_module)
- * @param string Title (optional, only when creating)
- * @param string Action ('add'/'edit')
- * @param integer lp_item ID
- * @param mixed Extra info
- * @return string HTML form
- */
- function display_item_form($item_type, $title = '', $action = 'add', $id = 0, $extra_info = 'new')
- {
- global $_course;
- global $charset;
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = $extra_info['title'];
- $item_description = $extra_info['description'];
- $item_path = api_get_path(WEB_COURSE_PATH) . $_course['path'].'/scorm/'.$this->path.'/'.stripslashes($extra_info['path']);
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div class="sectiontitle">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE lp_id = " . $this->lp_id. " AND id != " . $id. " ";
-
- if($item_type == 'module')
- $sql .= " AND parent_item_id = 0";
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'display_order' => $row['display_order']);
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- $return .= $title . "\n";
- $return .= '</div>';
- $return .= '<div class="sectioncomment">';
-
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
- $form = new FormValidator('form','POST',api_get_self()."?".$_SERVER["QUERY_STRING"]);
-
- $defaults["title"]=mb_convert_encoding($item_title,$charset,$this->encoding);
- $defaults["description"]=mb_convert_encoding($item_description,$charset,$this->encoding);
- $form->addElement('html',$return);
-
- //$arrHide = array($id);
-
- $arrHide[0]['value']=$this->name;
- $arrHide[0]['padding']=3;
-
- if($item_type != 'module' && $item_type != 'dokeos_module')
- {
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id'])
- {
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- {
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id'])
- {
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- }
-
- if($action != 'move')
- {
- $form->addElement('text','title', get_lang('Title'),'id="idTitle" class="learnpath_chapter_form" size="40%"');
- //$form->addElement('textarea','description',get_lang("Description").' :', 'id="idDescription"');
- }
- else
- {
- $form->addElement('hidden','title');
- }
-
- $parent_select = &$form->addElement('select', 'parent', get_lang("Parent"), '', 'class="learnpath_chapter_form" style="width:37%;" id="Parent" onchange="load_cbo(this.value);"');
- foreach($arrHide as $key => $value)
- {
- $parent_select->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
- $parent_select -> setSelected($s_selected_parent);
- }
- if(is_array($arrLP)) { reset($arrLP); }
-
- $arrHide=array();
- //POSITION
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=$arrLP[$i]['id'];
- $arrHide[$arrLP[$i]['id']]['value']=get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
-
- }
- }
-
- $position = &$form->addElement('select', 'previous', get_lang('Position'), '', 'id="idPosition" class="learnpath_chapter_form" style="width:37%;"');
-
- $position->addOption(get_lang('FirstPosition'),0,'style="padding-left:'.$value['padding'].'px;"');
-
- foreach($arrHide as $key => $value)
- {
- $position->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
-
- if(!empty($s_selected_position)) { $position->setSelected($s_selected_position); }
-
- if(is_array($arrLP)) { reset($arrLP); }
-
- $form->addElement('style_submit_button', 'submit_button', get_lang('Save'),'class="save"');
-
- if($item_type == 'module' || $item_type == 'dokeos_module')
- {
- $form->addElement('hidden', 'parent', '0');
- }
- $extension = pathinfo($item_path, PATHINFO_EXTENSION);
- if(($item_type=='asset' || $item_type=='sco') && ($extension == 'html' || $extension == 'htm'))
- {
- if($item_type=='sco')
- {
- $form->addElement('html','<script type="text/javascript">alert("'.get_lang('WarningWhenEditingScorm').'")</script>');
- }
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<br /> {label}<br />{element}','content_lp');
- $form->addElement('html_editor','content_lp','');
- //$form->addElement('html_editor','content_lp','');
- $defaults["content_lp"]=file_get_contents($item_path);
- }
- $form->addElement('hidden', 'type', 'dokeos_'.$item_type);
- $form->addElement('hidden', 'post_time', time());
- $form->setDefaults($defaults);
- $form->addElement('html','</div>');
- return $form->return_form();
- }
-
-
- /**
- * Returns the form to update or create a document
- *
- * @param string Action (add/edit)
- * @param integer ID of the lp_item (if already exists)
- * @param mixed Integer if document ID, string if info ('new')
- * @return string HTML form
- */
- function display_document_form($action = 'add', $id = 0, $extra_info = 'new')
- {
- global $charset;
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $path_parts = pathinfo($extra_info['dir']);
- $no_display_edit_textarea=false;
-
- //If action==edit document
- //We don't display the document form if it's not an editable document (html or txt file)
- if($action=="edit"){
- if(is_array($extra_info)){
- if($path_parts['extension']!="txt" && $path_parts['extension']!="html"){
- $no_display_edit_textarea=true;
- }
- }
- }
-
- $no_display_add=false;
-
- //If action==add an existing document
- //We don't display the document form if it's not an editable document (html or txt file)
- if($action=="add"){
- if(is_numeric($extra_info)){
-
- $sql_doc = "SELECT path FROM " . $tbl_doc . "WHERE id = " . $extra_info;
- $result=api_sql_query($sql_doc, __FILE__, __LINE__);
- $path_file=Database::result($result,0,0);
-
- $path_parts = pathinfo($path_file);
-
- if($path_parts['extension']!="txt" && $path_parts['extension']!="html"){
- $no_display_add=true;
- }
- }
- }
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- $item_terms = stripslashes($extra_info['terms']);
- if(empty($item_title))
- {
- $path_parts = pathinfo($extra_info['path']);
- $item_title = stripslashes($path_parts['filename']);
- }
- }
- elseif(is_numeric($extra_info))
- {
- $sql_doc = "
- SELECT path, title
- FROM " . $tbl_doc . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_doc, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $explode = explode('.', $row['title']);
-
- if(count($explode)>1){
- for($i = 0; $i < count($explode) - 1; $i++)
- $item_title .= $explode[$i];
- }
- else{
- $item_title=$row['title'];
- }
-
- $item_title = str_replace('_', ' ', $item_title);
-
- if(empty($item_title))
- {
- $path_parts = pathinfo($row['path']);
- $item_title = stripslashes($path_parts['filename']);
- }
-
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div class="sectiontitle">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- if($action == 'add')
- {
- $return .= get_lang("CreateTheDocument") . "\n";
- }
- elseif($action == 'move')
- {
- $return .= get_lang("MoveTheCurrentDocument") . "\n";
- }
- else
- {
- $return .= get_lang("EditTheCurrentDocument") . "\n";
- }
- $return .= '</div>';
- if(isset($_GET['edit']) && $_GET['edit'] == 'true')
- {
- $return .= '<div class="warning-message">';
- $return .= '<strong>'.get_lang("Warning").' !</strong><br />';
- $return .= get_lang("WarningEditingDocument");
- $return .= '</div>';
- }
- /*
- if($no_display_add==true){
- $return .= '<div class="warning-message">';
- $return .= get_lang("CantEditDocument");
- $return .= '</div>';
- return $return;
- }
- */
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
-
- $form = new FormValidator('form','POST',api_get_self()."?".$_SERVER["QUERY_STRING"],'','enctype="multipart/form-data"');
-
- $defaults["title"] = html_entity_decode($item_title);
- $defaults["title"]=mb_convert_encoding($defaults["title"],$charset,$this->encoding);
- if(empty($defaults["title"]))
- {
- $defaults["title"] = html_entity_decode($item_title);
- }
- $defaults["description"]=mb_convert_encoding($item_description,$charset,$this->encoding);
-
- $form->addElement('html',$return);
-
- if($action != 'move')
- {
- $form->addElement('text','title', get_lang('Title'),'id="idTitle" class="learnpath_item_form" size=44%');
- }
-
- //$arrHide = array($id);
-
- $arrHide[0]['value']=$this->name;
- $arrHide[0]['padding']=3;
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add'){
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)){
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id']){
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- else{
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir'){
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id']){
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- }
- $parent_select = &$form->addElement('select', 'parent', get_lang('Parent'), '', 'class="learnpath_item_form" style="width:40%;" onchange="load_cbo(this.value);"');
-
- foreach($arrHide as $key => $value) {
- $parent_select->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
-
- if (!empty($id)) {
- $parent_select -> setSelected($parent);
- } else {
- $parent_item_id = $_SESSION['parent_item_id'];
- $parent_select -> setSelected($parent_item_id);
- }
-
- if(is_array($arrLP)) {
- reset($arrLP);
- }
-
- $arrHide=array();
-
- //POSITION
- for($i = 0; $i < count($arrLP); $i++) {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=$arrLP[$i]['id'];
-
- $arrHide[$arrLP[$i]['id']]['value']=get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding).'"';
-
- }
- }
-
- $position = &$form->addElement('select', 'previous', get_lang('Position'), '', 'id="idPosition" class="learnpath_item_form" style="width:40%;"');
- $position->addOption(get_lang("FirstPosition"),0);
-
- foreach($arrHide as $key => $value) {
- $position->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
- $position -> setSelected($s_selected_position);
- if(is_array($arrLP)) {
- reset($arrLP);
- }
-
- if($action != 'move') {
- $id_prerequisite=0;
- if(is_array($arrLP)) {
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
- //comented the prerequisites, only visible in edit (new document)
- //$select_prerequisites=$form->addElement('select', 'prerequisites', get_lang('Prerequisites'),null,'id="prerequisites" class="learnpath_item_form" style="width:263px;"');
- //$select_prerequisites->addOption(get_lang("NoPrerequisites"),0);
- // form element for uploading an mp3 file
- //$form->addElement('file','mp3',get_lang('UploadMp3audio'),'id="mp3" size="33"');
- //$form->addRule('file', 'The extension of the Song file should be *.mp3', 'filename', '/^.*\.mp3$/');
-
- /* Code deprecated - moved to lp level (not lp-item)
- if ( api_get_setting('search_enabled') === 'true' )
- {
- //add terms field
- $terms = $form->addElement('text','terms', get_lang('SearchFeatureTerms').' :','id="idTerms" class="learnpath_item_form"');
- $terms->setValue($item_terms);
- }
- */
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=$arrLP[$i]['id'];
-
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
-
- }
- }
-
- /* foreach($arrHide as $key => $value){
- $select_prerequisites->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- if($key==$s_selected_position && $action == 'add'){
- $select_prerequisites -> setSelected(0);
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $select_prerequisites -> setSelected($id_prerequisite);
- }
- }
- */
- if(!$no_display_add)
- {
- if(($extra_info == 'new' || $extra_info['item_type'] == TOOL_DOCUMENT || $_GET['edit'] == 'true'))
- {
-
- if(isset($_POST['content']))
- $content = stripslashes($_POST['content']);
- elseif(is_array($extra_info)){
- //If it's an html document or a text file
- if(!$no_display_edit_textarea){
- $content = $this->display_document($extra_info['path'], false, false);
- }
- }
- elseif(is_numeric($extra_info))
- $content = $this->display_document($extra_info, false, false);
- else
- $content = '';
-
- if(!$no_display_edit_textarea)
- {
- // We need to claculate here some specific settings for the online editor.
- // The calculated settings work for documents in the Documents tool
- // (on the root or in subfolders).
- // For documents in native scorm packages it is unclear whether the
- // online editor should be activated or not.
- global $fck_attribute;
- $fck_attribute['Width'] = '100%';
- $fck_attribute['Height'] = '700';
- $fck_attribute['ToolbarSet'] = 'LearnPath';
- $fck_attribute['Config']['FullPage'] = true;
- $relative_path = $extra_info['dir'];
- if ($relative_path == 'n/')
- {
- // A new document, it is in the root of the repository.
- $relative_path = '';
- $relative_prefix = '';
- }
- else
- {
- // The document already exists. Whe have to determine its relative path towards the repository root.
- $relative_path = explode('/', $relative_path);
- $cnt = count($relative_path) - 2;
- if ($cnt < 0) { $cnt = 0; }
- $relative_prefix = str_repeat('../', $cnt);
- $relative_path = array_slice($relative_path, 1, $cnt);
- $relative_path = implode('/', $relative_path);
- if (strlen($relative_path) > 0)
- {
- $relative_path = $relative_path.'/';
- }
- }
- $fck_attribute['Config']['CreateDocumentDir'] = $relative_prefix;
- $fck_attribute['Config']['CreateDocumentWebDir'] = api_get_path('WEB_COURSE_PATH').api_get_course_path().'/document/';
- $fck_attribute['Config']['BaseHref'] = api_get_path('WEB_COURSE_PATH').api_get_course_path().'/document/'.$relative_path;
-
- if ($_GET['action']=='add_item'){
- $class='add';
- $text=get_lang('LPCreateDocument');
- } else if ($_GET['action']=='edit_item'){
- $class='save';
- $text=get_lang('LPModifyDocument');
- }
-
- $form->addElement('style_submit_button', 'submit_button', $text,'class="'.$class.'"');
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<br /> {label}<br />{element}','content_lp');
- $form->addElement('html','<div style="margin:3px 12px">');
- $form->addElement('html_editor','content_lp','');
- $form->addElement('html','</div>');
- $defaults["content_lp"]=$content;
- }
-
- }
-
- elseif(is_numeric($extra_info))
- {
-
- $form->addElement('style_submit_button', 'submit_button', get_lang('SaveDocument'), 'class="save"');
-
- $return = $this->display_document($extra_info, true, true, true);
- $form->addElement('html',$return);
- }
- }
-
- }
- if($action == 'move')
- {
- $form->addElement('hidden', 'title', $item_title);
- $form->addElement('hidden', 'description', $item_description);
- }
- if(is_numeric($extra_info))
- {
- $form->addElement('style_submit_button', 'submit_button', get_lang('SaveDocument'), 'value="submit_button", class="save"');
- $form->addElement('hidden', 'path', $extra_info);
- }
- elseif(is_array($extra_info))
- {
- $form->addElement('style_submit_button', 'submit_button', get_lang('TitleManipulateDocument'), 'class="save"');
- $form->addElement('hidden', 'path', $extra_info['path']);
- }
-
- $form->addElement('hidden', 'type', TOOL_DOCUMENT);
- $form->addElement('hidden', 'post_time', time());
-
-
-
- $form->setDefaults($defaults);
-
-
- return $form->return_form();
- }
-
- /**
- * Return HTML form to add/edit a link item
- *
- * @param string Action (add/edit)
- * @param integer Item ID if exists
- * @param mixed Extra info
- * @return string HTML form
- */
- function display_link_form($action = 'add', $id = 0, $extra_info = '')
- {
- global $charset;
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_link = Database::get_course_table(TABLE_LINK);
-
- if($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- } elseif(is_numeric($extra_info)) {
- $sql_link = "
- SELECT
- title,
- description,
- url
- FROM " . $tbl_link . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_link, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
-
- $item_description = $row['description'];
- $item_url = $row['url'];
- } else {
- $item_title = '';
- $item_description = '';
- }
- $item_title=mb_convert_encoding($item_title,$charset,$this->encoding);
- $item_description=mb_convert_encoding($item_description,$charset,$this->encoding);
- $return = '<div class="sectiontitle">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
-
- while($row = Database::fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= get_lang("CreateTheLink").' :' . "\n";
- elseif($action == 'move')
- $return .= get_lang("MoveCurrentLink").' :' . "\n";
- else
- $return .= get_lang("EditCurrentLink").' :' . "\n";
-
- $return .= '</div>';
- $return .= '<div class="sectioncomment">';
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table>' . "\n";
-
- if($action != 'move') {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="' . $item_title . '" class="learnpath_item_form"/></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" style="width:100%;" name="parent" onchange="load_cbo(this.value);" class="learnpath_item_form" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- $parent_item_id = $_SESSION['parent_item_id'];
-
- for($i = 0; $i < count($arrLP); $i++) {
- if($action != 'add') {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- }
-
- if(is_array($arrLP)) {
- reset($arrLP);
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang('Position').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang("FirstPosition").'</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move') {
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang('Description').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" style="width:100%;" name="description" class="learnpath_item_form" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idURL">'.get_lang('Url').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input' . (is_numeric($extra_info) ? ' disabled="disabled"' : '') . ' id="idURL" name="url" style="width:99%;" type="text" value="' . $item_url . '" class="learnpath_item_form" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- if (is_array($arrLP)){
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++) {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
-
- }
- }
-
- /*//comented the prerequisites, only visible in edit (link)
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value)
- {
- if($key==$s_selected_position && $action == 'add')
- {
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
- */
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td> </td><td><button class="save" name="submit_button" type="submit">'.get_lang("Ok").'</button></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_LINK.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
-
- return $return;
- }
-
- /**
- * Return HTML form to add/edit a student publication (work)
- *
- * @param string Action (add/edit)
- * @param integer Item ID if already exists
- * @param mixed Extra info (work ID if integer)
- * @return string HTML form
- */
- function display_student_publication_form($action = 'add', $id = 0, $extra_info = '')
- {
- global $charset;
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_publication = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
-
- if($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- } elseif(is_numeric($extra_info)) {
- $sql_publication = "
- SELECT
- title,
- description
- FROM " . $tbl_publication . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_publication, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- } else {
- $item_title = '';
- }
-
- $item_title=mb_convert_encoding($item_title,$charset,$this->encoding);
- $return = '<div class="sectiontitle">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= get_lang("Student_publication").' :' . "\n";
- elseif($action == 'move')
- $return .= get_lang("MoveCurrentStudentPublication").' :' . "\n";
- else
- $return .= get_lang("EditCurrentStudentPublication").' :' . "\n";
-
- $return .= '</div>';
- $return .= '<div class="sectioncomment">';
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="' . $item_title . '" class="learnpath_item_form" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" style="width:100%;" onchange="load_cbo(this.value);" class="learnpath_item_form" size="1">';
-
-
- $parent_item_id = $_SESSION['parent_item_id'];
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding). '</option>';
- }
- }
-
- if(is_array($arrLP))
- {
- reset($arrLP);
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang('Position').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang("FirstPosition").'</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
-
- $id_prerequisite=0;
- if(is_array($arrLP))
- {
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=mb_convert_encoding($arrLP[$i]['title'],$charset,$this->encoding);
-
- }
- }
-
- //comented the prerequisites, only visible in edit (work)
- /*
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
- */
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td> </td><td><button class="save" name="submit_button" type="submit">'.get_lang("Ok").'</button></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_STUDENTPUBLICATION.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
-
- return $return;
- }
-
- /**
- * Displays the menu for manipulating a step
- *
- * @return unknown
- */
- function display_manipulate($item_id, $item_type = TOOL_DOCUMENT)
- {
- global $charset, $_course;
- $return = '<div class="actions">';
-
- switch($item_type)
- {
- case 'dokeos_chapter':
- case 'chapter':
- //comented the message cause should not show it
- //$lang = get_lang('TitleManipulateChapter');
- break;
-
- case 'dokeos_module':
- case 'module':
- //comented the message cause should not show it
- //$lang = get_lang('TitleManipulateModule');
-
- break;
-
- case TOOL_DOCUMENT:
- //comented the message cause should not show it
- //$lang = get_lang('TitleManipulateDocument');
- break;
-
- case TOOL_LINK:
- case 'link':
- //comented the message cause should not show it
- //$lang = get_lang('TitleManipulateLink');
-
- break;
-
- case TOOL_QUIZ:
- //comented the message cause should not show it
- //$lang = get_lang('TitleManipulateQuiz');
-
- break;
-
- case TOOL_STUDENTPUBLICATION:
- //comented the message cause should not show it
- //$lang = get_lang('TitleManipulateStudentPublication');
-
- break;
- }
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT
- *
- FROM " . $tbl_lp_item . " as lp
- WHERE
- lp.id = " . $item_id;
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $row= mysql_fetch_assoc($result);
- $s_title = $row['title'];
- $s_title=mb_convert_encoding($s_title,$charset,$this->encoding);
-
-
- // we display an audio player if needed
- if (!empty($row['audio']))
- {
- $return .= '<div class="lp_mediaplayer" id="container"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</div>';
- $return .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
- $return .= '<script type="text/javascript">
- var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
- s1.addParam("allowscriptaccess","always");
- s1.addParam("flashvars","file=../../courses/'.$_course['path'].'/document/audio/'.$row['audio'].'&image=preview.jpg&autostart=true");
- s1.write("container");
- </script>';
- }
- //commented ":" for message in step
- //$return .= $lang.': ';
-
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '&path_item='.$row['path'].'" title="'.get_lang('Edit').'"><img align="absbottom" alt="Edit the current item" src="../img/edit.gif" title="'.get_lang("Edit").'" /> '.get_lang("Edit").'</a>';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=move_item&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" title="Move the current item"><img align="absbottom" alt="Move the current item" src="../img/deplacer_fichier.gif" title="'.get_lang("Move").'" /> '.get_lang("Move").'</a>';
- // commented for now as prerequisites cannot be added to chapters
- if($item_type != 'dokeos_chapter' && $item_type != 'chapter')
- {
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item_prereq&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" title="'.get_lang('Prerequisites').'"><img align="absbottom" alt="'.get_lang('Prerequisites').'" src="../img/right.gif" title="'.get_lang('Prerequisites').'" /> '.get_lang('Prerequisites').'</a>';
- }
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=delete_item&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" onclick="return confirmation(\'' .addslashes($s_title). '\');" title="Delete the current item"><img alt="Delete the current item" align="absbottom" src="../img/delete.gif" title="'.get_lang("Delete").'" /> '.get_lang("Delete").'</a>';
-
- //$return .= '<br><br><p class="lp_text">' . ((trim($s_description) == '') ? ''.get_lang("NoDescription").'' : stripslashes(nl2br($s_description))) . '</p>';
-
- //$return.="</td><td valign='top'>";
-
- // get the audiorecorder. Use of ob_* functions since there are echos in the file
- ob_start();
- $audio_recorder_studentview = 'false';
- $audio_recorder_item_id = $item_id;
- if(api_get_setting('service_visio','active')=='true'){
- include('audiorecorder.inc.php');
- }
- $return .= ob_get_contents();
- ob_end_clean();
- // end of audiorecorder include
-
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates the javascript needed for filling up the checkboxes without page reload
- *
- * @return string
- */
- function create_js()
- {
- $return = '<script language="javascript" type="text/javascript">' . "\n";
-
- $return .= 'function load_cbo(id){' . "\n";
-
- $return .= "var cbo = document.getElementById('idPosition');\n";
-
- $return .= 'for(var i = cbo.length - 1; i > 0; i--)';
- $return .= 'cbo.options[i] = null;'."\n";
- $return .= 'var k=0;'."\n";
- $return .= 'for(var i = 1; i <= child_name[id].length; i++){'."\n";
- $return .= ' cbo.options[i] = new Option(child_name[id][i-1], child_value[id][i-1]);'."\n";
- $return .= 'k=i;';
- $return .= '}' . "\n\n";
- $return .= 'if( typeof cbo != "undefined" ) {cbo.options[k].selected = true;}';
- $return .='}';
-
- $return .= 'var child_name = new Array();' . "\n";
- $return .= 'var child_value = new Array();' . "\n\n";
-
- $return .= 'child_name[0] = new Array();' . "\n";
- $return .= 'child_value[0] = new Array();' . "\n\n";
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql_zero = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id . " AND
- parent_item_id = 0
- ORDER BY display_order ASC";
- $res_zero = api_sql_query($sql_zero, __FILE__, __LINE__);
- global $charset;
- $i = 0;
- while($row_zero = Database::fetch_array($res_zero))
- {
- $return .= 'child_name[0][' . $i . '] = "'.get_lang("After").' \"' . mb_convert_encoding($row_zero['title'],$charset,$this->encoding) . '\"";' . "\n";
- $return .= 'child_value[0][' . $i++ . '] = "' . $row_zero['id'] . '";' . "\n";
- }
-
- $return .= "\n";
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
- $res = api_sql_query($sql, __FILE__, __LINE__);
-
- while($row = Database::fetch_array($res))
- {
- $sql_parent = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE parent_item_id = " . $row['id'] . "
- ORDER BY display_order ASC";
- $res_parent = api_sql_query($sql_parent, __FILE__, __LINE__);
-
- $i = 0;
-
- $return .= 'child_name[' . $row['id'] . '] = new Array();' . "\n";
- $return .= 'child_value[' . $row['id'] . '] = new Array();' . "\n\n";
-
- while($row_parent = Database::fetch_array($res_parent))
- {
- $return .= 'child_name[' . $row['id'] . '][' . $i . '] = "'.get_lang("After").' \"' . mb_convert_encoding($row_parent['title'],$charset,$this->encoding) . '\"";' . "\n";
- $return .= 'child_value[' . $row['id'] . '][' . $i++ . '] = "' . $row_parent['id'] . '";' . "\n";
- }
-
- $return .= "\n";
- }
-
- $return .= '</script>' . "\n";
-
- return $return;
- }
-
- /**
- * Display the form to allow moving an item
- *
- * @param integer Item ID
- * @return string HTML form
- */
- function display_move_item($item_id)
- {
- global $_course; //will disappear
- global $charset;
- $return = '';
-
- if(is_numeric($item_id))
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $item_id;
-
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
-
- switch($row['item_type'])
- {
- case 'dokeos_chapter': case 'dir' : case 'asset' :
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang('MoveCurrentChapter'), 'move', $item_id, $row);
-
- break;
-
- case 'dokeos_module':
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], 'Move th current module:', 'move', $item_id, $row);
-
- break;
-
- case TOOL_DOCUMENT:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('move', $item_id, $row);
-
- break;
-
- case TOOL_LINK:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('move', $item_id, $row);
-
- break;
-
- case TOOL_HOTPOTATOES:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('move', $item_id, $row);
- break;
-
- case TOOL_QUIZ:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_quiz_form('move', $item_id, $row);
-
- break;
-
- case TOOL_STUDENTPUBLICATION:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_student_publication_form('move', $item_id, $row);
-
- break;
-
-
- case TOOL_FORUM :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('move', $item_id, $row);
- }
- }
-
- return $return;
- }
-
- /**
- * Displays a basic form on the overview page for changing the item title and the item description.
- *
- * @param string $item_type
- * @param string $title
- * @param array $data
- * @return string
- */
- function display_item_small_form($item_type, $title = '', $data)
- {
- $return .= '<div class="lp_small_form">' . "\n";
-
- $return .= '<p class="lp_title">' . $title . '</p>';
-
- $return .= '<form method="post">' . "\n";
-
- $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">Title :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input class="small_form" id="idTitle" name="title" type="text" value="' . $data['title'] . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idDescription">Description :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><textarea class="small_form" id="idDescription" name="description" rows="4">' . $data['description'] . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><button class="save" name="submit_button" type="submit">'.get_lang('Save').'</button></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '</table>' . "\n";
-
- $return .= "\t" . '<input name="parent" type="hidden" value="' . $data['parent_item_id'] . '"/>' . "\n";
- $return .= "\t" . '<input name="previous" type="hidden" value="' . $data['previous_item_id'] . '"/>' . "\n";
-
- $return .= '</form>';
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Return HTML form to allow prerequisites selection
- *
- * @param integer Item ID
- * @return string HTML form
- */
- function display_item_prerequisites_form($item_id)
- {
- global $charset;
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- /* current prerequisite */
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $item_id;
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $preq_id = $row['prerequisite'];
- //$preq_mastery = $row['mastery_score'];
- //$preq_max = $row['max_score'];
-
- $return = $this->display_manipulate($item_id, TOOL_DOCUMENT);
- $return .= '<div class="sectiontitle">';
- $return .= get_lang('AddEditPrerequisites');
- $return .= '</div>';
- $return .= '<div class="sectioncomment">';
- $return .= '<form method="POST">';
- $return .= '<table class="lp_prerequisites">';
- $return .= '<tr>';
- $return .= '<th></th>';
- $return .= '<th >'.get_lang('Minimum').'</th>';
- $return .= '<th>'.get_lang('Maximum').'</th>';
- $return .= '</tr>';
- $return .= '<tr>';
- $return .= '<td class="radio">';
- $return .= '<input checked="checked" id="idNone" name="prerequisites" style="margin-left:0; margin-right:10px;" type="radio" />';
- $return .= '<label for="idNone">'.get_lang('None').'</label>';
- $return .= '</td><td colspan="2" />';
- $return .= '</tr>';
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => mb_convert_encoding($row['title'],$charset,$this->encoding),
- 'ref' => $row['ref'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order']);
- if($row['ref'] == $preq_id)
- {
- $preq_mastery = $row['mastery_score'];
- $preq_max = $row['max_score'];
- }
- }
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] == $item_id)
- break;
- $return .= '<tr>';
- $return .= '<td class="radio"' . (($arrLP[$i]['item_type'] != TOOL_QUIZ && $arrLP[$i]['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . '>';
- $return .= '<input' . (($arrLP[$i]['id'] == $preq_id) ? ' checked="checked" ' : '') . (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter') ? ' disabled="disabled" ' : ' ') . 'id="id' . $arrLP[$i]['id'] . '" name="prerequisites" style="margin-left:' . $arrLP[$i]['depth'] * 10 . 'px; margin-right:10px;" type="radio" value="' . $arrLP[$i]['id'] . '" />';
- $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
- if (file_exists("../img/lp_" . $icon_name . ".png"))
- {
- $return .= '<img alt="" src="../img/lp_' . $icon_name . '.png" style="margin-right:5px;" title="" />';
- }
- else if(file_exists("../img/lp_" . $icon_name . ".gif"))
- {
- $return .= '<img alt="" src="../img/lp_' . $icon_name . '.gif" style="margin-right:5px;" title="" />';
- }
- else
- {
- $return .= '<img alt="" src="../img/lp_document.png" style="margin-right:5px;" title="" />';
- }
- $return .= '<label for="id' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</label>';
- $return .= '</td>';
- //$return .= '<td class="radio"' . (($arrLP[$i]['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . ' />';
-
- if($arrLP[$i]['item_type'] == TOOL_QUIZ)
- {
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="min_' . $arrLP[$i]['id'] . '" type="text" value="' . (($arrLP[$i]['id'] == $preq_id) ? $preq_mastery : 0) . '" />';
- $return .= '</td>';
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="max_' . $arrLP[$i]['id'] . '" type="text" value="' . $arrLP[$i]['max_score'] . '" disabled="true" />';
- $return .= '</td>';
- }
- if($arrLP[$i]['item_type'] == TOOL_HOTPOTATOES)
- {
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="min_' . $arrLP[$i]['id'] . '" type="text" value="' . (($arrLP[$i]['id'] == $preq_id) ? $preq_mastery : 0) . '" />';
- $return .= '</td>';
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="max_' . $arrLP[$i]['id'] . '" type="text" value="' . $arrLP[$i]['max_score'] . '" disabled="true" />';
- $return .= '</td>';
- }
- $return .='</tr>';
- }
- $return .= '<tr>';
- $return .= '<td colspan="3">';
- $return .= '<button class="save" name="submit_button" type="submit">'.get_lang("ModifyPrerequisites").' </button></td>' . "\n";
- $return .= '</td>';
- $return .= '</tr>';
- $return .= '</table>';
- $return .= '</form>';
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates a list with all the documents in it
- *
- * @return string
- */
- function get_documents()
- {
- global $_course;
-
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql_doc = "
- SELECT *
- FROM " . $tbl_doc . "
- WHERE
- path NOT LIKE '%_DELETED_%'
- ORDER BY path ASC";
- $res_doc = api_sql_query($sql_doc, __FILE__, __LINE__);
-
- $return = '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resDoc').style.display == 'block') {document.getElementById('resDoc').style.display = 'none';} else {document.getElementById('resDoc').style.display = 'block';}\"" . '><img alt="" src="../img/lp_' . TOOL_DOCUMENT . '.gif" style="margin-right:5px;" title="" />'.get_lang("Documents").'</div>';
- $return .= '<div class="lp_resource_elements" id="resDoc">';
-
-
- $resources=api_store_result($res_doc);
-
- $resources_sorted = array();
-
- // if you want to debug it, I advise you to do "echo" on the eval statements
-
- foreach($resources as $resource)
- {
- $resource_paths = explode('/',$resource['path']);
- array_shift($resource_paths);
- $path_to_eval = $last_path = '';
- $is_file = false;
- foreach($resource_paths as $key => $resource_path)
- {
- if(strpos($resource_path,'.')===false && $key != count($resource_paths)-1)
- { // it's a folder
- $path_to_eval .= '["'.$resource_path.'"]["files"]';
- }
- else if(strpos($resource_path,'.')!==false)
- $is_file = true;
- $last_path = $resource_path;
- }
- if($is_file)
- {
- eval('$resources_sorted'.$path_to_eval.'['.$resource['id'].'] = "'.$last_path.'";');
- }
- else
- {
- eval('$resources_sorted'.$path_to_eval.'["'.$last_path.'"]["id"]='.$resource['id'].';');
- }
-
- }
- $return .=$this->write_resources_tree($resources_sorted);
-
- $return .='</div>';
- if(Database::num_rows($res_doc) == 0)
- $return .= '<div class="lp_resource_element">'.get_lang("NoDocuments").'</div>';
-
- return $return;
- }
-
- /**
- * Generate and return an HTML list of resources based on a given array.
- *
- * This list is used to show the course creator a list of available resources to choose from
- * when creating a learning path.
- * @param array Array of elements to add to the list
- * @param integer Enables the tree display by shifting the new elements a certain distance to the right
- * @return string The HTML list
- */
- function write_resources_tree($resources_sorted, $num=0){
-
- include_once(api_get_path(LIBRARY_PATH).'fileDisplay.lib.php');
-
- if(count($resources_sorted)>0)
- {
- foreach($resources_sorted as $key=>$resource)
- {
-
- if(is_int($resource['id']))
- { // it's a folder
- $return .= '<div><div style="margin-left:' . ($num * 15) . 'px;margin-right:5px;"><img style="cursor: pointer;" src="../img/nolines_plus.gif" align="absmiddle" id="img_'.$resource["id"].'" onclick="testResources(\''.$resource["id"].'\',\'img_'.$resource["id"].'\')"><img alt="" src="../img/lp_folder.gif" title="" align="absmiddle" /> <span onclick="testResources(\''.$resource["id"].'\',\'img_'.$resource["id"].'\')" style="cursor: pointer;" >'.$key.'</span></div><div style="display: none;" id="'.$resource['id'].'">';
- $return .= $this->write_resources_tree($resource['files'], $num+1);
- $return .= "</div></div>\r\n";
- }
- else
- {
- // it's a file
- $icon = choose_image($resource);
- $position = strrpos($icon,'.');
- $icon=substr($icon,0,$position).'_small.gif';
- $return .= '<div><div style="margin-left:' . (($num+1) * 15) . 'px;margin-right:5px;"><a href="' . api_get_self() . '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_DOCUMENT . '&file=' . $key . '&lp_id=' . $this->lp_id . '"><img alt="" src="../img/'.$icon.'" title="" /> '.$resource."</a></div></div>\r\n";
- }
-
- }
- }
- return $return;
- }
-
- /**
- * Creates a list with all the exercises (quiz) in it
- *
- * @return string
- */
- function get_exercises()
- {
- // new for hotpotatoes
- $uploadPath = DIR_HOTPOTATOES; //defined in main_api
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
- $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
-
- $sql_quiz = "
- SELECT *
- FROM " . $tbl_quiz . "
- WHERE active<>'-1'
- ORDER BY title ASC";
-
- $sql_hot = "SELECT * FROM ".$tbl_doc." " .
- " WHERE path LIKE '".$uploadPath."/%/%htm%'" .
- " ORDER BY id ASC";
- $res_quiz = api_sql_query($sql_quiz, __FILE__, __LINE__);
- $res_hot = api_sql_query($sql_hot, __FILE__, __LINE__);
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resExercise').style.display == 'block') {document.getElementById('resExercise').style.display = 'none';} else {document.getElementById('resExercise').style.display = 'block';}\"" . ' ><img align="left" alt="" src="../img/lp_' . TOOL_QUIZ . '.gif" style="margin-right:5px;" title="" />'.get_lang('Quiz').'</div>';
- $return .= '<div class="lp_resource_elements" id="resExercise">';
- while ($row_hot = Database::fetch_array($res_hot)) {
- $return .= '<div class="lp_resource_element">';
- //display quizhotpotatoes
- $return .= '<img alt="" src="../img/jqz.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_HOTPOTATOES . '&file=' . $row_hot['id'] . '&lp_id=' . $this->lp_id . '">' . $row_hot['title'] . '</a>';
- //$return .= $row_quiz['title'];
- $return .= '</div>';
- }
- while($row_quiz = Database::fetch_array($res_quiz)) {
- $return .= '<div class="lp_resource_element">';
- $return .= '<img alt="" src="../img/quizz_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_QUIZ . '&file=' . $row_quiz['id'] . '&lp_id=' . $this->lp_id . '">' . $row_quiz['title'] . '</a>';
- //$return .= $row_quiz['title'];
- $return .= '</div>';
- }
-
- if(Database::num_rows($res_quiz) == 0)
- $return .= '<div class="lp_resource_element">'.get_lang("NoExercisesAvailable").'</div>';
-
- $return .= '<div class="lp_resource_element">';
- $return .= '<img alt="" src="../img/new_test_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="'.api_get_path(REL_CODE_PATH).'exercice/exercise_admin.php">' . get_lang('NewExercise') . '</a>';
- $return .= '</div>';
- $return .= '</div>';
-
- return $return;
- }
- /**
- * Creates a list with all the links in it
- *
- * @return string
- */
- function get_links()
- {
- $tbl_link = Database::get_course_table(TABLE_LINK);
-
- $sql_link = "
- SELECT *
- FROM " . $tbl_link . "
- ORDER BY title ASC";
- $res_link = api_sql_query($sql_link, __FILE__, __LINE__);
-
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resLink').style.display == 'block') {document.getElementById('resLink').style.display = 'none';} else {document.getElementById('resLink').style.display = 'block';}\"" . '><img alt="" src="../img/lp_' . TOOL_LINK . '.gif" style="margin-right:5px;" title="" />'.get_lang("Links").'</div>';
- $return .= '<div class="lp_resource_elements" id="resLink">';
-
- while($row_link = Database::fetch_array($res_link))
- {
- $return .= '<div class="lp_resource_element">';
-
- $return .= '<img alt="" src="../img/file_html_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_LINK . '&file=' . $row_link['id'] . '&lp_id=' . $this->lp_id . '">' . $row_link['title'] . '</a>';
-
- $return .= '</div>';
- }
- $return .= '<div class="lp_resource_element">';
- $return .= '<img alt="" src="../img/file_html_new_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="'.api_get_path(REL_CODE_PATH).'link/link.php?'.api_get_cidreq().'&action=addlink" title="' . get_lang('LinkAdd') . '">' . get_lang('LinkAdd') . '</a>';
- $return .= '</div>';
-
- if(Database::num_rows($res_link) == 0)
- $return .= '<div class="lp_resource_element">'.get_lang("NoLinksAvailable").'</div>';
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates a list with all the student publications in it
- *
- * @return unknown
- */
- function get_student_publications()
- {
- $tbl_student = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
-
- $sql_student = "
- SELECT *
- FROM " . $tbl_student . "
- ORDER BY title ASC";
- $res_student = api_sql_query($sql_student, __FILE__, __LINE__);
-
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resStudent').style.display == 'block') {document.getElementById('resStudent').style.display = 'none';} else {document.getElementById('resStudent').style.display = 'block';}\"" . '><img alt="" src="../img/lp_' . TOOL_STUDENTPUBLICATION . '.gif" style="margin-right:5px;" title="" />'.get_lang('Student_publication').'</div>';
- $return .= '<div class="lp_resource_elements" id="resStudent">';
- $return .= '<div class="lp_resource_element">';
- $return .= '<img align="left" alt="" src="../img/works_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_STUDENTPUBLICATION . '&lp_id=' . $this->lp_id . '">' . get_lang('AddAssignmentPage') . '</a>';
- $return .= '</div>';
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates a list with all the forums in it
- *
- * @return string
- */
- function get_forums()
- {
- include ('../forum/forumfunction.inc.php');
- include ('../forum/forumconfig.inc.php');
- global $table_forums, $table_threads,$table_posts, $table_item_property, $table_users;
- $table_forums = Database :: get_course_table(TABLE_FORUM);
- $table_threads = Database :: get_course_table(TABLE_FORUM_THREAD);
- $table_posts = Database :: get_course_table(TABLE_FORUM_POST);
- $table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
- $table_users = Database :: get_main_table(TABLE_MAIN_USER);
- $a_forums = get_forums();
-
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('forums').style.display == 'block') {document.getElementById('forums').style.display = 'none';} else {document.getElementById('forums').style.display = 'block';}\"" . '><img alt="" src="../img/lp_forum.gif" style="margin-right:5px;" title="" />'.get_lang('Forums').'</div>';
- $return .= '<div class="lp_resource_elements" style="border:1px solid #999999;" id="forums">';
-
- foreach($a_forums as $forum)
- {
- $return .= '<div class="lp_resource_element">';
- $return .= '<script type="text/javascript">
- function toggle_forum(forum_id){
- if(document.getElementById("forum_"+forum_id+"_content").style.display == "none"){
- document.getElementById("forum_"+forum_id+"_content").style.display = "block";
- document.getElementById("forum_"+forum_id+"_opener").src = "'.api_get_path(WEB_IMG_PATH).'remove.gif";
- }
- else {
- document.getElementById("forum_"+forum_id+"_content").style.display = "none";
- document.getElementById("forum_"+forum_id+"_opener").src = "'.api_get_path(WEB_IMG_PATH).'add.gif";
- }
- }
- </script>
- ';
- $return .= '<img alt="" src="../img/lp_forum.gif" style="margin-right:5px;" title="" />';
- $return .= '<a style="cursor:hand" onclick="toggle_forum('.$forum['forum_id'].')" style="vertical-align:middle"><img src="'.api_get_path(WEB_IMG_PATH).'add.gif" id="forum_'.$forum['forum_id'].'_opener" align="absbottom" /></a>
- <a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_FORUM . '&forum_id=' . $forum['forum_id'] . '&lp_id=' . $this->lp_id . '" style="vertical-align:middle">' . $forum['forum_title'] . '</a><ul style="display:none" id="forum_'.$forum['forum_id'].'_content">';
- $a_threads = get_threads($forum['forum_id']);
- if(is_array($a_threads)){
- foreach($a_threads as $thread)
- {
- $return .= '<li><a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_THREAD . '&thread_id=' . $thread['thread_id'] . '&lp_id=' . $this->lp_id . '">' . $thread['thread_title'] . '</a></li>';
- }
- }
- $return .= '</ul></div>';
- }
-
- $return .= '<div class="lp_resource_element">';
- $return .= '<img alt="" src="../img/forum_new_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="'.api_get_path(REL_CODE_PATH).'forum/index.php?'.api_get_cidreq().'&action=add&content=forum" title="'.get_lang('CreateANewForum').'">'.get_lang('CreateANewForum').'</a>';
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Exports the learning path as a SCORM package. This is the main function that
- * gathers the content, transforms it, writes the imsmanifest.xml file, zips the
- * whole thing and returns the zip.
- *
- * This method needs to be called in PHP5, as it will fail with non-adequate
- * XML package (like the ones for PHP4), and it is *not* a static method, so
- * you need to call it on a learnpath object.
- * @TODO The method might be redefined later on in the scorm class itself to avoid
- * creating a SCORM structure if there is one already. However, if the initial SCORM
- * path has been modified, it should use the generic method here below.
- * @TODO link this function with the export_lp() function in the same class
- * @param string Optional name of zip file. If none, title of learnpath is
- * domesticated and trailed with ".zip"
- * @return string Returns the zip package string, or null if error
- */
- function scorm_export()
- {
- global $_course;
- if (!class_exists('DomDocument'))
- {
- error_log('DOM functions not supported for PHP version below 5.0',0);
- $this->error = 'PHP DOM functions not supported for PHP versions below 5.0';
- return null;
- }
- //remove memory and time limits as much as possible as this might be a long process...
- if(function_exists('ini_set'))
- {
- $mem = ini_get('memory_limit');
- if(substr($mem,-1,1)=='M')
- {
- $mem_num = substr($mem,0,-1);
- if($mem_num<128)
- {
- ini_set('memory_limit','128M');
- }
- }
- else
- {
- ini_set('memory_limit','128M');
- }
- ini_set('max_execution_time',600);
- //}else{
- //error_log('Scorm export: could not change memory and time limits',0);
- }
- //Create the zip handler (this will remain available throughout the method)
- $garbage_path = api_get_path(GARBAGE_PATH);
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $temp_dir_short = uniqid();
- $temp_zip_dir = $garbage_path."/".$temp_dir_short;
- $temp_zip_file = $temp_zip_dir."/".md5(time()).".zip";
- $zip_folder=new PclZip($temp_zip_file);
- $current_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
- $root_path = $main_path = api_get_path(SYS_PATH);
- $files_cleanup = array();
-
- //place to temporarily stash the zipfiles
- //create the temp dir if it doesn't exist
- //or do a cleanup befor creating the zipfile
- if(!is_dir($temp_zip_dir))
- {
- mkdir($temp_zip_dir);
- }
- else
- {//cleanup: check the temp dir for old files and delete them
- $handle=opendir($temp_zip_dir);
- while (false!==($file = readdir($handle)))
- {
- if ($file != "." && $file != "..")
- {
- unlink("$temp_zip_dir/$file");
- }
- }
- closedir($handle);
- }
- $zip_files = $zip_files_abs = $zip_files_dist = array();
- if(is_dir($current_course_path.'/scorm/'.$this->path) && is_file($current_course_path.'/scorm/'.$this->path.'/imsmanifest.xml'))
- {
- // remove the possible . at the end of the path
- $dest_path_to_lp = substr($this->path, -1) == '.' ? substr($this->path, 0, -1) : $this->path;
- $dest_path_to_scorm_folder = str_replace('//','/',$temp_zip_dir.'/scorm/'.$dest_path_to_lp);
- $perm = api_get_setting('permissions_for_new_directories');
- $perm = octdec(!empty($perm)?$perm:'0770');
- mkdir ($dest_path_to_scorm_folder, $perm, true);
- $zip_files_dist = copyr($current_course_path.'/scorm/'.$this->path, $dest_path_to_scorm_folder, array('imsmanifest'), $zip_files);
- }
- //Build a dummy imsmanifest structure. Do not add to the zip yet (we still need it)
- //This structure is developed following regulations for SCORM 1.2 packaging in the SCORM 1.2 Content
- //Aggregation Model official document, secion "2.3 Content Packaging"
- $xmldoc = new DOMDocument('1.0',$this->encoding);
- $root = $xmldoc->createElement('manifest');
- $root->setAttribute('identifier','SingleCourseManifest');
- $root->setAttribute('version','1.1');
- $root->setAttribute('xmlns','http://www.imsproject.org/xsd/imscp_rootv1p1p2');
- $root->setAttribute('xmlns:adlcp','http://www.adlnet.org/xsd/adlcp_rootv1p2');
- $root->setAttribute('xmlns:xsi','http://www.w3.org/2001/XMLSchema-instance');
- $root->setAttribute('xsi:schemaLocation','http://www.imsproject.org/xsd/imscp_rootv1p1p2 imscp_rootv1p1p2.xsd
- http://www.imsglobal.org/xsd/imsmd_rootv1p2p1 imsmd_rootv1p2p1.xsd
- http://www.adlnet.org/xsd/adlcp_rootv1p2 adlcp_rootv1p2.xsd');
- //Build mandatory sub-root container elements
- $metadata = $xmldoc->createElement('metadata');
- $md_schema = $xmldoc->createElement('schema','ADL SCORM');
- $metadata->appendChild($md_schema);
- $md_schemaversion = $xmldoc->createElement('schemaversion','1.2');
- $metadata->appendChild($md_schemaversion);
- $root->appendChild($metadata);
-
- $organizations = $xmldoc->createElement('organizations');
-
- $resources = $xmldoc->createElement('resources');
-
- //Build the only organization we will use in building our learnpaths
- $organizations->setAttribute('default','dokeos_scorm_export');
- $organization = $xmldoc->createElement('organization');
- $organization->setAttribute('identifier','dokeos_scorm_export');
- //to set the title of the SCORM entity (=organization), we take the name given
- //in Dokeos and convert it to HTML entities using the Dokeos charset (not the
- //learning path charset) as it is the encoding that defines how it is stored
- //in the database. Then we convert it to HTML entities again as the "&" character
- //alone is not authorized in XML (must be &)
- //The title is then decoded twice when extracting (see scorm::parse_manifest)
- global $charset;
- $org_title = $xmldoc->createElement('title',htmlentities(htmlentities($this->get_name(),ENT_QUOTES,$charset)));
- $organization->appendChild($org_title);
-
- //For each element, add it to the imsmanifest structure, then add it to the zip.
- //Always call the learnpathItem->scorm_export() method to change it to the SCORM
- //format
- $link_updates = array();
- foreach($this->items as $index => $item){
- if(!in_array($item->type , array(TOOL_QUIZ, TOOL_FORUM, TOOL_THREAD, TOOL_LINK, TOOL_STUDENTPUBLICATION)))
- {
- //get included documents from this item
- if($item->type=='sco')
- $inc_docs = $item->get_resources_from_source(null,api_get_path(SYS_COURSE_PATH).api_get_course_path().'/'.'scorm/'.$this->path.'/'.$item->get_path());
- else
- $inc_docs = $item->get_resources_from_source();
- //give a child element <item> to the <organization> element
- $my_item_id = $item->get_id();
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier','ITEM_'.$my_item_id);
- $my_item->setAttribute('identifierref','RESOURCE_'.$my_item_id);
- $my_item->setAttribute('isvisible','true');
- //give a child element <title> to the <item> element
- $my_title = $xmldoc->createElement('title',htmlspecialchars($item->get_title(),ENT_QUOTES));
- $my_item->appendChild($my_title);
- //give a child element <adlcp:prerequisites> to the <item> element
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites',$this->get_scorm_prereq_string($my_item_id));
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- //give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:maxtimeallowed','');
- //give a child element <adlcp:timelimitaction> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:timelimitaction','');
- //give a child element <adlcp:datafromlms> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:datafromlms','');
- //give a child element <adlcp:masteryscore> to the <item> element
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore',$item->masteryscore);
- $my_item->appendChild($my_masteryscore);
-
-
- //attach this item to the organization element or hits parent if there is one
- if(!empty($item->parent) && $item->parent!=0)
- {
- $children = $organization->childNodes;
- $possible_parent = &$this->get_scorm_xml_node($children,'ITEM_'.$item->parent);
- if(is_object($possible_parent))
- {
- $possible_parent->appendChild($my_item);
- }
- else
- {
- if($this->debug>0){error_log('Parent ITEM_'.$item->parent.' of item ITEM_'.$my_item_id.' not found');}
- }
- }
- else
- {
- if($this->debug>0){error_log('No parent');}
- $organization->appendChild($my_item);
- }
-
-
- //get the path of the file(s) from the course directory root
- $my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
-
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href',$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- if($item->type=='sco')
- {
- $my_resource->setAttribute('adlcp:scormtype','sco');
- }
- else
- {
- $my_resource->setAttribute('adlcp:scormtype','asset');
- }
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href',$my_xml_file_path);
- $my_resource->appendChild($my_file);
-
- //dependency to other files - not yet supported
- $i = 1;
- foreach($inc_docs as $doc_info)
- {
- if(count($doc_info)<1 or empty($doc_info[0])){continue;}
- $my_dep = $xmldoc->createElement('resource');
- $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
- $my_dep->setAttribute('identifier',$res_id);
- $my_dep->setAttribute('type','webcontent');
- $my_dep->setAttribute('adlcp:scormtype','asset');
- $my_dep_file = $xmldoc->createElement('file');
- //check type of URL
- //error_log(__LINE__.'Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2],0);
- if($doc_info[1] == 'remote')
- { //remote file. Save url as is
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- }elseif($doc_info[1] == 'local'){
- switch($doc_info[2])
- {
- case 'url': //local URL - save path as url for now, don't zip file
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH),'',$doc_info[0]);
- $current_dir = dirname($abs_path);
- $file_path = realpath($abs_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path)-1);
- //echo $file_path;echo '<br><br>';
- //error_log(__LINE__.'Reduced url path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'abs': //absolute path from DocumentRoot. Save file and leave path as is in the zip
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
-
- //$current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- //the next lines fix a bug when using the "subdir" mode of Dokeos, whereas
- //an image path would be constructed as /var/www/subdir/subdir/img/foo.bar
- $abs_img_path_without_subdir = $doc_info[0];
- $relp = api_get_path(REL_PATH); //the url-append config param
- $pos = strpos($abs_img_path_without_subdir,$relp);
- if($pos===0)
- {
- $abs_img_path_without_subdir = '/'.substr($abs_img_path_without_subdir,strlen($relp));
- }
- //$file_path = realpath(api_get_path(SYS_PATH).$doc_info[0]);
- $file_path = realpath(api_get_path(SYS_PATH).$abs_img_path_without_subdir);
- $file_path = str_replace('\\','/',$file_path);
- $file_path = str_replace('//','/',$file_path);
- //error_log(__LINE__.'Abs path: '.$file_path,0);
- //prepare the current directory path (until just under 'document') with a trailing slash
- $cur_path = substr($current_course_path,-1)=='/'?$current_course_path:$current_course_path.'/';
- //check if the current document is in that path
- if(strstr($file_path,$cur_path) !== false)
- {
- //the document is in that path, now get the relative path
- //to the containing document
- $orig_file_path = dirname($cur_path.$my_file_path).'/';
- $relative_path ='';
- if(strstr($file_path,$cur_path)!==false)
- {
- $relative_path = substr($file_path,strlen($orig_file_path));
- $file_path = substr($file_path,strlen($cur_path));
- }
- else
- {
- //this case is still a problem as it's difficult to calculate a relative path easily
- //might still generate wrong links
- //$file_path = substr($file_path,strlen($cur_path));
- //calculate the directory path to the current file (without trailing slash)
- $my_relative_path = dirname($file_path);
- $my_relative_file = basename($file_path);
- //calculate the directory path to the containing file (without trailing slash)
- $my_orig_file_path = substr($orig_file_path,0,-1);
- $dotdot = '';
- $subdir = '';
- while(strstr($my_relative_path,$my_orig_file_path)===false && (strlen($my_orig_file_path)>1) && (strlen($my_relative_path)>1))
- {
- $my_relative_path2 = dirname($my_relative_path);
- $my_orig_file_path = dirname($my_orig_file_path);
- $subdir = substr($my_relative_path,strlen($my_relative_path2)+1)."/".$subdir;
- $dotdot += '../';
- $my_relative_path = $my_relative_path2;
- }
- $relative_path = $dotdot.$subdir.$my_relative_file;
- }
- //put the current document in the zip (this array is the array
- //that will manage documents already in the course folder - relative)
- $zip_files[] = $file_path;
- //update the links to the current document in the containing document (make them relative)
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$relative_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- elseif(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'rel': //path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
- if(substr($doc_info[0],0,2)=='..')
- { //relative path going up
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $file_path = realpath($current_dir.$doc_info[0]);
- //error_log($file_path.' <-> '.$main_path,0);
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }else{
- $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base',$my_xml_sub_dir);
- }
- break;
- default:
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- break;
- }
- }
- $my_dep->appendChild($my_dep_file);
- $resources->appendChild($my_dep);
- $dependency = $xmldoc->createElement('dependency');
- $dependency->setAttribute('identifierref',$res_id);
- $my_resource->appendChild($dependency);
- $i++;
- }
- //$my_dependency = $xmldoc->createElement('dependency');
- //$my_dependency->setAttribute('identifierref','');
- $resources->appendChild($my_resource);
- $zip_files[] = $my_file_path;
-
- //error_log('File '.$my_file_path. ' added to $zip_files',0);
- }
- else
- { // if the item is a quiz or a link or whatever non-exportable, we include a step indicating it
-
- if($item->type == TOOL_LINK)
- {
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier','ITEM_'.$item->get_id());
- $my_item->setAttribute('identifierref','RESOURCE_'.$item->get_id());
- $my_item->setAttribute('isvisible','true');
- //give a child element <title> to the <item> element
- $my_title = $xmldoc->createElement('title',htmlspecialchars($item->get_title(),ENT_QUOTES));
- $my_item->appendChild($my_title);
- //give a child element <adlcp:prerequisites> to the <item> element
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites',$item->get_prereq_string());
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- //give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:maxtimeallowed','');
- //give a child element <adlcp:timelimitaction> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:timelimitaction','');
- //give a child element <adlcp:datafromlms> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:datafromlms','');
- //give a child element <adlcp:masteryscore> to the <item> element
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore',$item->masteryscore);
- $my_item->appendChild($my_masteryscore);
-
-
- //attach this item to the organization element or its parent if there is one
- if(!empty($item->parent) && $item->parent!=0)
- {
- $children = $organization->childNodes;
- for($i=0;$i<$children->length;$i++){
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item')
- {
- if($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent)
- {
- $item_temp -> appendChild($my_item);
- }
-
- }
- }
- }
- else
- {
- $organization->appendChild($my_item);
- }
- $my_file_path = 'link_'.$item->get_id().'.html';
- $sql = 'SELECT url, title FROM '.Database :: get_course_table(TABLE_LINK).' WHERE id='.$item->path;
- $rs = api_sql_query($sql, __FILE__, __LINE__);
- if($link = Database :: fetch_array($rs))
- {
- $url = $link['url'];
- $title = stripslashes($link['title']);
- $links_to_create[$my_file_path] = array('title'=>$title,'url'=>$url);
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href',$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- $my_resource->setAttribute('adlcp:scormtype','asset');
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href',$my_xml_file_path);
- $my_resource->appendChild($my_file);
- $resources->appendChild($my_resource);
- }
- }
- elseif($item->type == TOOL_QUIZ)
- {
- require_once(api_get_path(SYS_CODE_PATH).'exercice/exercise.class.php');
- $exe_id = $item->path; //should be using ref when everything will be cleaned up in this regard
- $exe = new Exercise();
- $exe->read($exe_id);
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier','ITEM_'.$item->get_id());
- $my_item->setAttribute('identifierref','RESOURCE_'.$item->get_id());
- $my_item->setAttribute('isvisible','true');
- //give a child element <title> to the <item> element
- $my_title = $xmldoc->createElement('title',htmlspecialchars($item->get_title(),ENT_QUOTES));
- $my_item->appendChild($my_title);
- //give a child element <adlcp:prerequisites> to the <item> element
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites',$item->get_prereq_string());
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- //give a child element <adlcp:masteryscore> to the <item> element
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore',$item->masteryscore);
- $my_item->appendChild($my_masteryscore);
- //attach this item to the organization element or hits parent if there is one
- if(!empty($item->parent) && $item->parent!=0)
- {
- $children = $organization->childNodes;
- for($i=0;$i<$children->length;$i++){
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item')
- {
- if($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent)
- {
- $item_temp -> appendChild($my_item);
- }
-
- }
- }
- }
- else
- {
- $organization->appendChild($my_item);
- }
-
- //include export scripts
- require_once(api_get_path(SYS_CODE_PATH).'exercice/export/scorm/scorm_export.php');
- //get the path of the file(s) from the course directory root
- //$my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
- $my_file_path = 'quiz_'.$item->get_id().'.html';
- //write the contents of the exported exercise into a (big) html file
- //to later pack it into the exported SCORM. The file will be removed afterwards
- $contents = export_exercise($exe_id,true);
- $tmp_file_path = $garbage_path.$temp_dir_short.'/'.$my_file_path;
- $res = file_put_contents($tmp_file_path,$contents);
- if($res === false){error_log('Could not write into file '.$tmp_file_path.' '.__FILE__.' '.__LINE__,0);}
- $files_cleanup[] = $tmp_file_path;
- //error_log($tmp_path);die();
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href',$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- $my_resource->setAttribute('adlcp:scormtype','sco');
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href',$my_xml_file_path);
- $my_resource->appendChild($my_file);
- //get included docs
- $inc_docs = $item->get_resources_from_source(null,$tmp_file_path);
- //dependency to other files - not yet supported
- $i = 1;
- foreach($inc_docs as $doc_info)
- {
- if(count($doc_info)<1 or empty($doc_info[0])){continue;}
- $my_dep = $xmldoc->createElement('resource');
- $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
- $my_dep->setAttribute('identifier',$res_id);
- $my_dep->setAttribute('type','webcontent');
- $my_dep->setAttribute('adlcp:scormtype','asset');
- $my_dep_file = $xmldoc->createElement('file');
- //check type of URL
- //error_log(__LINE__.'Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2],0);
- if($doc_info[1] == 'remote')
- { //remote file. Save url as is
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- }elseif($doc_info[1] == 'local'){
- switch($doc_info[2])
- {
- case 'url': //local URL - save path as url for now, don't zip file
- //save file but as local file (retrieve from URL)
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH),'',$doc_info[0]);
- $current_dir = dirname($abs_path);
- $file_path = realpath($abs_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>'document/'.$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>'document/'.$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'abs': //absolute path from DocumentRoot. Save file and leave path as is in the zip
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $file_path = realpath($doc_info[0]);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
-
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'rel': //path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
- if(substr($doc_info[0],0,2)=='..')
- { //relative path going up
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $file_path = realpath($current_dir.$doc_info[0]);
- //error_log($file_path.' <-> '.$main_path,0);
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }else{
- $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base',$my_xml_sub_dir);
- }
- break;
- default:
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- break;
- }
- }
- $my_dep->appendChild($my_dep_file);
- $resources->appendChild($my_dep);
- $dependency = $xmldoc->createElement('dependency');
- $dependency->setAttribute('identifierref',$res_id);
- $my_resource->appendChild($dependency);
- $i++;
- }
- $resources->appendChild($my_resource);
- $zip_files[] = $my_file_path;
-
- }
- else
- {
-
- //get the path of the file(s) from the course directory root
- $my_file_path = 'non_exportable.html';
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href','document/'.$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- $my_resource->setAttribute('adlcp:scormtype','asset');
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href','document/'.$my_xml_file_path);
- $my_resource->appendChild($my_file);
- $resources->appendChild($my_resource);
-
- }
- }
- }
- $organizations->appendChild($organization);
- $root->appendChild($organizations);
- $root->appendChild($resources);
- $xmldoc->appendChild($root);
- //todo: add a readme file here, with a short description and a link to the Reload player
- //then add the file to the zip, then destroy the file (this is done automatically)
- // http://www.reload.ac.uk/scormplayer.html - once done, don't forget to close FS#138
- //error_log(print_r($zip_files,true),0);
- foreach($zip_files as $file_path)
- {
- if(empty($file_path)){continue;}
- //error_log(__LINE__.'getting document from '.$sys_course_path.$_course['path'].'/'.$file_path.' removing '.$sys_course_path.$_course['path'].'/',0);
- $dest_file = $garbage_path.$temp_dir_short.'/'.$file_path;
- $this->create_path($dest_file);
- //error_log('copy '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' to '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,0);
- //echo $main_path.$file_path.'<br>';
- @copy($sys_course_path.$_course['path'].'/'.$file_path,$dest_file);
- //check if the file needs a link update
- if(in_array($file_path,array_keys($link_updates))){
- $string = file_get_contents($dest_file);
- unlink($dest_file);
- foreach($link_updates[$file_path] as $old_new)
- {
- //error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path,0);
- //this is an ugly hack that allows .flv files to be found by the flv player that
- // will be added in document/main/inc/lib/flv_player/flv_player.swf and that needs
- // to find the flv to play in document/main/, so we replace main/ in the flv path by
- // ../../.. to return from inc/lib/flv_player to the document/main path
- if(substr($old_new['dest'],-3)=='flv' && substr($old_new['dest'],0,5)=='main/')
- {
- $old_new['dest'] = str_replace('main/','../../../',$old_new['dest']);
- }
- elseif(substr($old_new['dest'],-3)=='flv' && substr($old_new['dest'],0,6)=='video/')
- {
- $old_new['dest'] = str_replace('video/','../../../../video/',$old_new['dest']);
- }
- $string = str_replace($old_new['orig'],$old_new['dest'],$string);
- }
- file_put_contents($dest_file,$string);
- }
- }
- foreach($zip_files_abs as $file_path)
- {
- if(empty($file_path)){continue;}
- //error_log(__LINE__.'checking existence of '.$main_path.$file_path.'',0);
- if(!is_file($main_path.$file_path) || !is_readable($main_path.$file_path)){continue;}
- //error_log(__LINE__.'getting document from '.$main_path.$file_path.' removing '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/',0);
- $dest_file = $garbage_path.$temp_dir_short.'/document/'.$file_path;
- $this->create_path($dest_file);
- //error_log('Created path '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/document/'.$file_path,0);
- //error_log('copy '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' to '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,0);
- //echo $main_path.$file_path.' - '.$dest_file.'<br>';
-
- copy($main_path.$file_path,$dest_file);
- //check if the file needs a link update
- if(in_array($file_path,array_keys($link_updates)))
- {
- $string = file_get_contents($dest_file);
- unlink($dest_file);
- foreach($link_updates[$file_path] as $old_new)
- {
- //error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path,0);
- //this is an ugly hack that allows .flv files to be found by the flv player that
- // will be added in document/main/inc/lib/flv_player/flv_player.swf and that needs
- // to find the flv to play in document/main/, so we replace main/ in the flv path by
- // ../../.. to return from inc/lib/flv_player to the document/main path
- if(substr($old_new['dest'],-3)=='flv' && substr($old_new['dest'],0,5)=='main/')
- {
- $old_new['dest'] = str_replace('main/','../../../',$old_new['dest']);
- }
- $string = str_replace($old_new['orig'],$old_new['dest'],$string);
- }
- file_put_contents($dest_file,$string);
- }
- }
- if(is_array($links_to_create))
- {
- foreach($links_to_create as $file=>$link)
- {
- $file_content = '<html><body><div style="text-align:center"><a href="'.$link['url'].'">'.$link['title'].'</a></div></body></html>';
- file_put_contents($garbage_path.$temp_dir_short.'/'.$file, $file_content);
- }
- }
- // add non exportable message explanation
- $lang_not_exportable = get_lang('ThisItemIsNotExportable');
- $file_content =
- <<<EOD
- <html>
- <head>
- <style>
- .error-message {
- font-family: arial, verdana, helvetica, sans-serif;
- border-width: 1px;
- border-style: solid;
- left: 50%;
- margin: 10px auto;
- min-height: 30px;
- padding: 5px;
- right: 50%;
- width: 500px;
- background-color: #FFD1D1;
- border-color: #FF0000;
- color: #000;
- }
- </style>
- <body>
- <div class="error-message">
- $lang_not_exportable
- </div>
- </body>
- </html>
- EOD;
- if(!is_dir($garbage_path.$temp_dir_short.'/document'))
- {
- @mkdir($garbage_path.$temp_dir_short.'/document');
- }
- file_put_contents($garbage_path.$temp_dir_short.'/document/non_exportable.html', $file_content);
-
- //Add the extra files that go along with a SCORM package
- $main_code_path = api_get_path(SYS_CODE_PATH).'newscorm/packaging/';
- $extra_files = scandir($main_code_path);
- foreach($extra_files as $extra_file)
- {
- if(strpos($extra_file,'.')===0) continue;
- else
- {
- $dest_file = $garbage_path.$temp_dir_short.'/'.$extra_file;
- $this->create_path($dest_file);
- copy($main_code_path.$extra_file,$dest_file);
- }
- }
-
- //Finalize the imsmanifest structure, add to the zip, then return the zip
-
- $xmldoc->save($garbage_path.'/'.$temp_dir_short.'/imsmanifest.xml');
-
-
- $zip_folder->add($garbage_path.'/'.$temp_dir_short, PCLZIP_OPT_REMOVE_PATH, $garbage_path.'/'.$temp_dir_short.'/');
- //clean possible temporary files
- foreach($files_cleanup as $file)
- {
- $res = unlink($file);
- if($res === false){error_log('Could not delete temp file '.$file.' '.__FILE__.' '.__LINE__,0);}
- }
- //Send file to client
- //$name = 'scorm_export_'.$this->lp_id.'.zip';
- require_once(api_get_path(LIBRARY_PATH).'fileUpload.lib.php');
- $name = preg_replace('([^a-zA-Z0-9_\.])','-',html_entity_decode($this->get_name(),ENT_QUOTES)).'.zip';
- DocumentManager::file_send_for_download($temp_zip_file,true,$name);
- }
- /**
- * Temp function to be moved in main_api or the best place around for this. Creates a file path
- * if it doesn't exist
- */
- function create_path($path){
- $path_bits = split('/',dirname($path));
- // IS_WINDOWS_OS has been defined in main_api.lib.php
- $path_built = IS_WINDOWS_OS ? '' : '/';
- foreach($path_bits as $bit){
- if(!empty($bit)){
- $new_path = $path_built.$bit;
- if(is_dir($new_path)){
- $path_built = $new_path.'/';
- }
- else
- {
- mkdir($new_path);
- $path_built = $new_path.'/';
- }
- }
- }
- }
- /**
- * Delete the image relative to this learning path. No parameter. Only works on instanciated object.
- * @return boolean The results of the unlink function, or false if there was no image to start with
- */
- function delete_lp_image()
- {
- $img = $this->get_preview_image();
- if ($img!='')
- {
- $del_file = api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$img;
- $this->set_preview_image('');
- return @unlink($del_file);
- }
- else
- {
- return false;
- }
-
- }
-
- /**
- * Uploads an author image to the upload/learning_path/images directory
- * @param array The image array, coming from the $_FILES superglobal
- * @return boolean True on success, false on error
- */
- function upload_image($image_array)
- {
- $image_moved=false;
- if(!empty($image_array['name']))
- {
- $upload_ok = process_uploaded_file($image_array);
- $has_attachment=true;
- }
- else
- {
- $image_moved=true;
- }
-
- if($upload_ok)
- {
- if ($has_attachment)
- {
- $courseDir = api_get_course_path().'/upload/learning_path/images';
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $updir = $sys_course_path.$courseDir;
- // Try to add an extension to the file if it hasn't one
- $new_file_name = add_ext_on_mime(stripslashes($image_array['name']), $image_array['type']);
-
-
- if (!filter_extension($new_file_name))
- {
- //Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
- $image_moved=false;
- }
- else
- {
- $file_extension = explode('.', $image_array['name']);
- $file_extension = strtolower($file_extension[sizeof($file_extension) - 1]);
- $new_file_name = uniqid('').'.'.$file_extension;
- $new_path=$updir.'/'.$new_file_name;
-
- //$result= @move_uploaded_file($image_array['tmp_name'], $new_path);
-
- // resize the image
- include_once (api_get_path(LIBRARY_PATH).'image.lib.php');
- $temp = new image($image_array['tmp_name']);
- $picture_infos=getimagesize($image_array['tmp_name']); // $picture_infos[0]-> width
- if ($picture_infos[0]>240)
- $thumbwidth=240;
- else
- $thumbwidth=$picture_infos[0];
-
- if ($picture_infos[1]>100)
- $new_height=100;
- else
- $new_height = $picture_infos[1];
-
-
- //$new_height = round(($thumbwidth/$picture_infos[0])*$picture_infos[1]);
-
- $temp->resize($thumbwidth,$new_height,0);
- $type=$picture_infos[2];
- $result=false;
-
- switch ($type)
- {
- case 2 :
- $result=$temp->send_image('JPG',$new_path);
- break;
- case 3 :
- $result=$temp->send_image('PNG',$new_path);
- break;
- case 1 :
- $result=$temp->send_image('GIF',$new_path);
- break;
- }
-
- // Storing the image filename
- if ($result)
- {
- $image_moved=true;
- $this->set_preview_image($new_file_name);
- return true;
- }
-
- }
- }
- }
- return false;
- }
- }
- if (!function_exists('trim_value')) {
- function trim_value(&$value) {
- $value = trim($value);
- }
- }
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