learnpath.class.php 423 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This class defines the parent attributes and methods for Chamilo learnpaths and SCORM
  5. * learnpaths. It is used by the scorm class.
  6. *
  7. * @package chamilo.learnpath
  8. * @author Yannick Warnier <ywarnier@beeznest.org>
  9. * @author Julio Montoya <gugli100@gmail.com> Several improvements and fixes
  10. */
  11. /**
  12. * Defines the learnpath parent class
  13. * @package chamilo.learnpath
  14. */
  15. class learnpath {
  16. public $attempt = 0; // The number for the current ID view.
  17. public $cc; // Course (code) this learnpath is located in. @todo change name for something more comprensible ...
  18. public $current; // Id of the current item the user is viewing.
  19. public $current_score; // The score of the current item.
  20. public $current_time_start; // The time the user loaded this resource (this does not mean he can see it yet).
  21. public $current_time_stop; // The time the user closed this resource.
  22. public $default_status = 'not attempted';
  23. public $encoding = 'UTF-8';
  24. public $error = '';
  25. public $extra_information = ''; // This string can be used by proprietary SCORM contents to store data about the current learnpath.
  26. public $force_commit = false; // For SCORM only - if set to true, will send a scorm LMSCommit() request on each LMSSetValue().
  27. public $index; // The index of the active learnpath_item in $ordered_items array.
  28. public $items = array();
  29. public $last; // item_id of last item viewed in the learning path.
  30. public $last_item_seen = 0; // In case we have already come in this learnpath, reuse the last item seen if authorized.
  31. public $license; // Which license this course has been given - not used yet on 20060522.
  32. public $lp_id; // DB ID for this learnpath.
  33. public $lp_view_id; // DB ID for lp_view
  34. public $log_file; // File where to log learnpath API msg.
  35. public $maker; // Which maker has conceived the content (ENI, Articulate, ...).
  36. public $message = '';
  37. public $mode = 'embedded'; // Holds the video display mode (fullscreen or embedded).
  38. public $name; // Learnpath name (they generally have one).
  39. public $ordered_items = array(); // List of the learnpath items in the order they are to be read.
  40. public $path = ''; // Path inside the scorm directory (if scorm).
  41. public $theme; // The current theme of the learning path.
  42. public $preview_image; // The current image of the learning path.
  43. // Tells if all the items of the learnpath can be tried again. Defaults to "no" (=1).
  44. public $prevent_reinit = 1;
  45. // Describes the mode of progress bar display.
  46. public $seriousgame_mode = 0;
  47. public $progress_bar_mode = '%';
  48. // Percentage progress as saved in the db.
  49. public $progress_db = '0';
  50. public $proximity; // Wether the content is distant or local or unknown.
  51. public $refs_list = array (); //list of items by ref => db_id. Used only for prerequisites match.
  52. // !!!This array (refs_list) is built differently depending on the nature of the LP.
  53. // If SCORM, uses ref, if Chamilo, uses id to keep a unique value.
  54. public $type; //type of learnpath. Could be 'dokeos', 'scorm', 'scorm2004', 'aicc', ...
  55. // TODO: Check if this type variable is useful here (instead of just in the controller script).
  56. public $user_id; //ID of the user that is viewing/using the course
  57. public $update_queue = array();
  58. public $scorm_debug = 0;
  59. public $arrMenu = array(); // Array for the menu items.
  60. public $debug = 0; // Logging level.
  61. public $lp_session_id =0;
  62. public $lp_view_session_id =0; // The specific view might be bound to a session.
  63. public $prerequisite = 0;
  64. public $use_max_score = 1; // 1 or 0
  65. public $created_on = '';
  66. public $modified_on = '';
  67. public $publicated_on = '';
  68. public $expired_on = '';
  69. /**
  70. * Class constructor. Needs a database handler, a course code and a learnpath id from the database.
  71. * Also builds the list of items into $this->items.
  72. * @param string Course code
  73. * @param integer Learnpath ID
  74. * @param integer User ID
  75. * @return boolean True on success, false on error
  76. */
  77. public function __construct($course, $lp_id, $user_id) {
  78. $this->encoding = api_get_system_encoding(); // Chamilo 1.8.8: We intend always to use the system encoding.
  79. // Check params.
  80. // Check course code.
  81. $course_db = '';
  82. $course_id = api_get_course_int_id();
  83. if ($this->debug > 0) {error_log('New LP - In learnpath::__construct('.$course.','.$lp_id.','.$user_id.')', 0); }
  84. if (empty($course)) {
  85. $this->error = 'Course code is empty';
  86. return false;
  87. } else {
  88. $main_table = Database::get_main_table(TABLE_MAIN_COURSE);
  89. $course = $this->escape_string($course);
  90. $sql = "SELECT * FROM $main_table WHERE code = '$course'";
  91. if ($this->debug > 2) { error_log('New LP - learnpath::__construct() '.__LINE__.' - Querying course: '.$sql, 0); }
  92. $res = Database::query($sql);
  93. if (Database::num_rows($res) > 0) {
  94. $this->cc = $course;
  95. $row_course = Database::fetch_array($res);
  96. $course_id = $row_course['id'];
  97. $course_db = $row_course['db_name'];
  98. } else {
  99. $this->error = 'Course code does not exist in database ('.$sql.')';
  100. return false;
  101. }
  102. }
  103. // Check learnpath ID.
  104. if (empty($lp_id)) {
  105. $this->error = 'Learnpath ID is empty';
  106. return false;
  107. } else {
  108. // TODO: Make it flexible to use any course_code (still using env course code here).
  109. $lp_table = Database::get_course_table(TABLE_LP_MAIN);
  110. //$id = Database::escape_integer($id);
  111. $lp_id = $this->escape_string($lp_id);
  112. $sql = "SELECT * FROM $lp_table WHERE id = '$lp_id' AND c_id = $course_id";
  113. if ($this->debug > 2) { error_log('New LP - learnpath::__construct() '.__LINE__.' - Querying lp: '.$sql, 0); }
  114. $res = Database::query($sql);
  115. if (Database::num_rows($res) > 0) {
  116. $this->lp_id = $lp_id;
  117. $row = Database::fetch_array($res);
  118. $this->type = $row['lp_type'];
  119. $this->name = stripslashes($row['name']);
  120. //$this->encoding = $row['default_encoding']; // Chamilo 1.8.8: We intend not to use 'default_encoding' field anymore.
  121. $this->proximity = $row['content_local'];
  122. $this->theme = $row['theme'];
  123. $this->maker = $row['content_maker'];
  124. $this->prevent_reinit = $row['prevent_reinit'];
  125. $this->seriousgame_mode = $row['seriousgame_mode'];
  126. $this->license = $row['content_license'];
  127. $this->scorm_debug = $row['debug'];
  128. $this->js_lib = $row['js_lib'];
  129. $this->path = $row['path'];
  130. $this->preview_image = $row['preview_image'];
  131. $this->author = $row['author'];
  132. $this->hide_toc_frame = $row['hide_toc_frame'];
  133. $this->lp_session_id = $row['session_id'];
  134. $this->use_max_score = $row['use_max_score'];
  135. $this->created_on = $row['created_on'];
  136. $this->modified_on = $row['modified_on'];
  137. if ($row['publicated_on'] != '0000-00-00 00:00:00') {
  138. $this->publicated_on = $row['publicated_on'];
  139. }
  140. if ($row['expired_on'] != '0000-00-00 00:00:00') {
  141. $this->expired_on = $row['expired_on'];
  142. }
  143. if ($this->type == 2) {
  144. if ($row['force_commit'] == 1) {
  145. $this->force_commit = true;
  146. }
  147. }
  148. $this->mode = $row['default_view_mod'];
  149. } else {
  150. $this->error = 'Learnpath ID does not exist in database ('.$sql.')';
  151. return false;
  152. }
  153. }
  154. // Check user ID.
  155. if (empty($user_id)) {
  156. $this->error = 'User ID is empty';
  157. return false;
  158. } else {
  159. //$main_table = Database::get_main_user_table();
  160. $main_table = Database::get_main_table(TABLE_MAIN_USER);
  161. //$user_id = Database::escape_integer($user_id);
  162. $user_id = $this->escape_string($user_id);
  163. $sql = "SELECT * FROM $main_table WHERE user_id = '$user_id'";
  164. if ($this->debug > 2) { error_log('New LP - learnpath::__construct() '.__LINE__.' - Querying user: '.$sql, 0); }
  165. $res = Database::query($sql);
  166. if (Database::num_rows($res) > 0) {
  167. $this->user_id = $user_id;
  168. } else {
  169. $this->error = 'User ID does not exist in database ('.$sql.')';
  170. return false;
  171. }
  172. }
  173. // End of variables checking.
  174. $session_id = api_get_session_id();
  175. // Get the session condition for learning paths of the base + session.
  176. $session = api_get_session_condition($session_id);
  177. // Now get the latest attempt from this user on this LP, if available, otherwise create a new one.
  178. $lp_table = Database::get_course_table(TABLE_LP_VIEW);
  179. // Selecting by view_count descending allows to get the highest view_count first.
  180. $sql = "SELECT * FROM $lp_table WHERE c_id = '.$course_id.' AND lp_id = '$lp_id' AND user_id = '$user_id' $session ORDER BY view_count DESC";
  181. if ($this->debug > 2) { error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - querying lp_view: ' . $sql, 0); }
  182. $res = Database::query($sql);
  183. $view_id = 0; // Used later to query lp_item_view.
  184. if (Database :: num_rows($res) > 0) {
  185. if ($this->debug > 2) {
  186. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - Found previous view', 0);
  187. }
  188. $row = Database :: fetch_array($res);
  189. $this->attempt = $row['view_count'];
  190. $this->lp_view_id = $row['id'];
  191. $this->last_item_seen = $row['last_item'];
  192. $this->progress_db = $row['progress'];
  193. $this->lp_view_session_id = $row['session_id'];
  194. } else {
  195. if ($this->debug > 2) {
  196. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - NOT Found previous view', 0);
  197. }
  198. $this->attempt = 1;
  199. $sql_ins = "INSERT INTO $lp_table (c_id, lp_id,user_id,view_count, session_id) VALUES ($course_id, $lp_id, $user_id, 1, $session_id)";
  200. $res_ins = Database::query($sql_ins);
  201. $this->lp_view_id = Database :: insert_id();
  202. if ($this->debug > 2) {
  203. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - inserting new lp_view: ' . $sql_ins, 0);
  204. }
  205. }
  206. // Initialise items.
  207. $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
  208. $sql = "SELECT * FROM $lp_item_table WHERE c_id = $course_id AND lp_id = '".$this->lp_id."' ORDER BY parent_item_id, display_order";
  209. $res = Database::query($sql);
  210. while ($row = Database::fetch_array($res)) {
  211. $oItem = '';
  212. //$this->ordered_items[] = $row['id'];
  213. switch ($this->type) {
  214. case 3: //aicc
  215. $oItem = new aiccItem('db', $row['id'], $course_db);
  216. if (is_object($oItem)) {
  217. $my_item_id = $oItem->get_id();
  218. $oItem->set_lp_view($this->lp_view_id, $course_id);
  219. $oItem->set_prevent_reinit($this->prevent_reinit);
  220. // Don't use reference here as the next loop will make the pointed object change.
  221. $this->items[$my_item_id] = $oItem;
  222. $this->refs_list[$oItem->ref] = $my_item_id;
  223. if ($this->debug > 2) {
  224. error_log('New LP - learnpath::__construct() - aicc object with id ' . $my_item_id . ' set in items[]', 0);
  225. }
  226. }
  227. break;
  228. case 2:
  229. require_once 'scorm.class.php';
  230. require_once 'scormItem.class.php';
  231. $oItem = new scormItem('db', $row['id'], $course_db);
  232. if (is_object($oItem)) {
  233. $my_item_id = $oItem->get_id();
  234. $oItem->set_lp_view($this->lp_view_id, $course_id);
  235. $oItem->set_prevent_reinit($this->prevent_reinit);
  236. // Don't use reference here as the next loop will make the pointed object change.
  237. $this->items[$my_item_id] = $oItem;
  238. $this->refs_list[$oItem->ref] = $my_item_id;
  239. if ($this->debug > 2) {
  240. error_log('New LP - object with id ' . $my_item_id . ' set in items[]', 0);
  241. }
  242. }
  243. break;
  244. case 1:
  245. default:
  246. require_once 'learnpathItem.class.php';
  247. $oItem = new learnpathItem($row['id'], $user_id, $course_id);
  248. if (is_object($oItem)) {
  249. $my_item_id = $oItem->get_id();
  250. //$oItem->set_lp_view($this->lp_view_id); // Moved down to when we are sure the item_view exists.
  251. $oItem->set_prevent_reinit($this->prevent_reinit);
  252. // Don't use reference here as the next loop will make the pointed object change.
  253. $this->items[$my_item_id] = $oItem;
  254. $this->refs_list[$my_item_id] = $my_item_id;
  255. if ($this->debug > 2) {
  256. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - object with id ' . $my_item_id . ' set in items[]', 0);
  257. }
  258. }
  259. break;
  260. }
  261. // Items is a list of pointers to all items, classified by DB ID, not SCO id.
  262. if ($row['parent_item_id'] == 0 || empty ($this->items[$row['parent_item_id']])) {
  263. if (is_object($this->items[$row['id']])) {
  264. $this->items[$row['id']]->set_level(0);
  265. }
  266. } else {
  267. $level = $this->items[$row['parent_item_id']]->get_level() + 1;
  268. $this->items[$row['id']]->set_level($level);
  269. if (is_object($this->items[$row['parent_item_id']])) {
  270. // Items is a list of pointers from item DB ids to item objects.
  271. $this->items[$row['parent_item_id']]->add_child($row['id']);
  272. } else {
  273. if ($this->debug > 2) {
  274. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - The parent item (' . $row['parent_item_id'] . ') of item ' . $row['id'] . ' could not be found', 0);
  275. }
  276. }
  277. }
  278. // Get last viewing vars.
  279. $lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
  280. // This query should only return one or zero result.
  281. $sql = "SELECT * " .
  282. "FROM $lp_item_view_table " .
  283. "WHERE c_id = ".$course_id." AND lp_view_id = " . $this->lp_view_id . " " .
  284. "AND lp_item_id = " . $row['id'] . " ORDER BY view_count DESC ";
  285. if ($this->debug > 2) {
  286. error_log('New LP - learnpath::__construct() - Selecting item_views: ' . $sql, 0);
  287. }
  288. // Get the item status.
  289. $res2 = Database::query($sql);
  290. if (Database :: num_rows($res2) > 0) {
  291. // If this learnpath has already been used by this user, get his last attempt count and
  292. // the last item seen back into this object.
  293. //$max = 0;
  294. $row2 = Database :: fetch_array($res2);
  295. if ($this->debug > 2) {
  296. error_log('New LP - learnpath::__construct() - Got item_view: ' . print_r($row2, true), 0);
  297. }
  298. if (is_object($this->items[$row['id']])) {
  299. $this->items[$row['id']]->set_status($row2['status']);
  300. if (empty ($row2['status'])) {
  301. $this->items[$row['id']]->set_status($this->default_status);
  302. }
  303. }
  304. //$this->attempt = $row['view_count'];
  305. //$this->last_item = $row['id'];
  306. } else { // No item has been found in lp_item_view for this view.
  307. // The first attempt of this user. Set attempt to 1 and last_item to 0 (first item available).
  308. // TODO: If the learnpath has not got attempts activated, always use attempt '1'.
  309. //$this->attempt = 1;
  310. //$this->last_item = 0;
  311. if (is_object($this->items[$row['id']])) {
  312. $this->items[$row['id']]->set_status($this->default_status);
  313. }
  314. // Add that row to the lp_item_view table so that we have something to show in the stats page.
  315. $sql_ins = "INSERT INTO $lp_item_view_table (c_id, lp_item_id, lp_view_id, view_count, status)
  316. VALUES ($course_id, ".$row['id'] . "," . $this->lp_view_id . ",1,'not attempted')";
  317. if ($this->debug > 2) {
  318. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - Inserting blank item_view : ' . $sql_ins, 0);
  319. }
  320. $res_ins = Database::query($sql_ins);
  321. }
  322. // Setting the view in the item object.
  323. if (is_object($this->items[$row['id']])) {
  324. $this->items[$row['id']]->set_lp_view($this->lp_view_id, $course_id);
  325. }
  326. }
  327. $this->ordered_items = $this->get_flat_ordered_items_list($this->get_id(), 0, $course_id);
  328. $this->max_ordered_items = 0;
  329. foreach ($this->ordered_items as $index => $dummy) {
  330. if ($index > $this->max_ordered_items && !empty($dummy)) {
  331. $this->max_ordered_items = $index;
  332. }
  333. }
  334. // TODO: Define the current item better.
  335. $this->first();
  336. if ($this->debug > 2) {
  337. error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - End of learnpath constructor for learnpath ' . $this->get_id(), 0);
  338. }
  339. }
  340. /**
  341. * 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
  342. * I found it better to rewrite it. Old function is still available. Added also the possibility to add a description.
  343. *
  344. * @param int $parent
  345. * @param int $previous
  346. * @param string $type
  347. * @param int resource ID (ref)
  348. * @param string $title
  349. * @param string $description
  350. * @return int
  351. */
  352. public function add_item($parent, $previous, $type = 'dokeos_chapter', $id, $title, $description, $prerequisites = 0, $max_time_allowed = 0) {
  353. $course_id = api_get_course_int_id();
  354. if ($this->debug > 0) {
  355. error_log('New LP - In learnpath::add_item(' . $parent . ',' . $previous . ',' . $type . ',' . $id . ',' . $title . ')', 0);
  356. }
  357. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  358. $parent = intval($parent);
  359. $previous = intval($previous);
  360. $type = $this->escape_string($type);
  361. $id = intval($id);
  362. $max_time_allowed = $this->escape_string(htmlentities($max_time_allowed));
  363. if (empty ($max_time_allowed)) {
  364. $max_time_allowed = 0;
  365. }
  366. $title = $this->escape_string($title);
  367. $description = $this->escape_string($description);
  368. $sql_count = " SELECT COUNT(id) AS num
  369. FROM " . $tbl_lp_item . "
  370. WHERE c_id = ".$course_id." AND lp_id = " . $this->get_id() . " AND parent_item_id = " . $parent;
  371. $res_count = Database::query($sql_count);
  372. $row = Database :: fetch_array($res_count);
  373. $num = $row['num'];
  374. if ($num > 0) {
  375. if ($previous == 0) {
  376. $sql = "SELECT id, next_item_id, display_order
  377. FROM " . $tbl_lp_item . "
  378. WHERE c_id = ".$course_id." AND
  379. lp_id = " . $this->get_id() . " AND
  380. parent_item_id = " . $parent . " AND
  381. previous_item_id = 0 OR previous_item_id=" . $parent;
  382. $result = Database::query($sql);
  383. $row = Database :: fetch_array($result);
  384. $tmp_previous = 0;
  385. $next = $row['id'];
  386. $display_order = 0;
  387. } else {
  388. $previous = (int) $previous;
  389. $sql = "SELECT id, previous_item_id, next_item_id, display_order
  390. FROM " . $tbl_lp_item . "
  391. WHERE c_id = ".$course_id." AND lp_id = " . $this->get_id() . " AND id = " . $previous;
  392. $result = Database::query($sql);
  393. $row = Database :: fetch_array($result);
  394. $tmp_previous = $row['id'];
  395. $next = $row['next_item_id'];
  396. $display_order = $row['display_order'];
  397. }
  398. } else {
  399. $tmp_previous = 0;
  400. $next = 0;
  401. $display_order = 0;
  402. }
  403. $new_item_id = -1;
  404. $id = $this->escape_string($id);
  405. if ($type == 'quiz') {
  406. $sql = 'SELECT SUM(ponderation)
  407. FROM ' . Database :: get_course_table(TABLE_QUIZ_QUESTION) . ' as quiz_question
  408. INNER JOIN ' . Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION) . ' as quiz_rel_question
  409. ON quiz_question.id = quiz_rel_question.question_id
  410. WHERE quiz_rel_question.exercice_id = ' . $id." AND
  411. quiz_question.c_id = $course_id AND
  412. quiz_rel_question.c_id = $course_id ";
  413. $rsQuiz = Database::query($sql);
  414. $max_score = Database :: result($rsQuiz, 0, 0);
  415. } else {
  416. $max_score = 100;
  417. }
  418. if ($prerequisites != 0) {
  419. $sql_ins = "INSERT INTO " . $tbl_lp_item . " (
  420. c_id,
  421. lp_id, ".
  422. "item_type, ".
  423. "ref, ".
  424. "title, ".
  425. "description, ".
  426. "path, ".
  427. "max_score, ".
  428. "parent_item_id, ".
  429. "previous_item_id, ".
  430. "next_item_id, ".
  431. "display_order, ".
  432. "prerequisite, ".
  433. "max_time_allowed ".
  434. ") VALUES (
  435. $course_id ,
  436. ".$this->get_id() . ", ".
  437. "'" . $type . "', ".
  438. "'', ".
  439. "'" . $title . "', ".
  440. "'" . $description . "', ".
  441. "'" . $id . "', ".
  442. "'" . $max_score . "', ".
  443. $parent . ", ".
  444. $previous . ", ".
  445. $next . ", ".
  446. ($display_order +1) . ", ".
  447. $prerequisites . ", ".
  448. $max_time_allowed .
  449. ")";
  450. } else {
  451. // Insert new item.
  452. $sql_ins = "
  453. INSERT INTO " . $tbl_lp_item . " ( ".
  454. "c_id, ".
  455. "lp_id, ".
  456. "item_type, ".
  457. "ref, ".
  458. "title, ".
  459. "description, ".
  460. "path, ".
  461. "max_score, ".
  462. "parent_item_id, ".
  463. "previous_item_id, ".
  464. "next_item_id, ".
  465. "display_order, ".
  466. "max_time_allowed ".
  467. ") VALUES (".
  468. $course_id. ",".
  469. $this->get_id() . ",".
  470. "'" . $type . "',".
  471. "'',".
  472. "'" . $title . "',".
  473. "'" . $description . "',".
  474. "'" . $id . "',".
  475. "'" . $max_score . "',".
  476. $parent . ",".
  477. $previous . ",".
  478. $next . ",".
  479. ($display_order +1) . ",".
  480. $max_time_allowed .
  481. ")";
  482. }
  483. if ($this->debug > 2) {
  484. error_log('New LP - Inserting dokeos_chapter: ' . $sql_ins, 0);
  485. }
  486. $res_ins = Database::query($sql_ins);
  487. if ($res_ins > 0) {
  488. $new_item_id = Database :: insert_id($res_ins);
  489. // Update the item that should come after the new item.
  490. $sql_update_next = "
  491. UPDATE " . $tbl_lp_item . "
  492. SET previous_item_id = " . $new_item_id . "
  493. WHERE c_id = $course_id AND id = " . $next;
  494. $res_update_next = Database::query($sql_update_next);
  495. // Update the item that should be before the new item.
  496. $sql_update_previous = "
  497. UPDATE " . $tbl_lp_item . "
  498. SET next_item_id = " . $new_item_id . "
  499. WHERE c_id = $course_id AND id = " . $tmp_previous;
  500. $res_update_previous = Database::query($sql_update_previous);
  501. // Update all the items after the new item.
  502. $sql_update_order = "
  503. UPDATE " . $tbl_lp_item . "
  504. SET display_order = display_order + 1
  505. WHERE
  506. c_id = $course_id AND
  507. lp_id = " . $this->get_id() . " AND
  508. id <> " . $new_item_id . " AND
  509. parent_item_id = " . $parent . " AND
  510. display_order > " . $display_order;
  511. $res_update_previous = Database::query($sql_update_order);
  512. // Update the item that should come after the new item.
  513. $sql_update_ref = "UPDATE " . $tbl_lp_item . "
  514. SET ref = " . $new_item_id . "
  515. WHERE c_id = $course_id AND id = " . $new_item_id;
  516. Database::query($sql_update_ref);
  517. }
  518. // Upload audio.
  519. if (!empty ($_FILES['mp3']['name'])) {
  520. // Create the audio folder if it does not exist yet.
  521. global $_course;
  522. $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
  523. if (!is_dir($filepath . 'audio')) {
  524. mkdir($filepath . 'audio', api_get_permissions_for_new_directories());
  525. $audio_id = add_document($_course, '/audio', 'folder', 0, 'audio');
  526. api_item_property_update($_course, TOOL_DOCUMENT, $audio_id, 'FolderCreated', api_get_user_id(), null, null, null, null, api_get_session_id());
  527. }
  528. // Upload the file in the documents tool.
  529. include_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
  530. $file_path = handle_uploaded_document($_course, $_FILES['mp3'], api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document', '/audio', api_get_user_id(), '', '', '', '', '', false);
  531. // Getting the filename only.
  532. $file_components = explode('/', $file_path);
  533. $file = $file_components[count($file_components) - 1];
  534. // Store the mp3 file in the lp_item table.
  535. $sql_insert_audio = "UPDATE $tbl_lp_item SET audio = '" . Database :: escape_string($file) . "' WHERE id = '" . Database :: escape_string($new_item_id) . "'";
  536. Database::query($sql_insert_audio);
  537. }
  538. return $new_item_id;
  539. }
  540. /**
  541. * Static admin function allowing addition of a learnpath to a course.
  542. * @param string Course code
  543. * @param string Learnpath name
  544. * @param string Learnpath description string, if provided
  545. * @param string Type of learnpath (default = 'guess', others = 'dokeos', 'aicc',...)
  546. * @param string Type of files origin (default = 'zip', others = 'dir','web_dir',...)
  547. * @param string Zip file containing the learnpath or directory containing the learnpath
  548. * @return integer The new learnpath ID on success, 0 on failure
  549. */
  550. public function add_lp($course, $name, $description = '', $learnpath = 'guess', $origin = 'zip', $zipname = '', $publicated_on = '', $expired_on = '') {
  551. global $charset;
  552. $course_id = api_get_course_int_id();
  553. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  554. // Check course code exists.
  555. // Check lp_name doesn't exist, otherwise append something.
  556. $i = 0;
  557. $name = learnpath :: escape_string($name);
  558. // Session id.
  559. $session_id = api_get_session_id();
  560. $check_name = "SELECT * FROM $tbl_lp WHERE c_id = ".$course_id." AND name = '$name'";
  561. //if ($this->debug > 2) { error_log('New LP - Checking the name for new LP: '.$check_name, 0); }
  562. $res_name = Database::query($check_name);
  563. if ($publicated_on == '0000-00-00 00:00:00' || empty($publicated_on)) {
  564. //by default the publication date is the same that the creation date
  565. //The behaviour above was changed due BT#2800
  566. global $_custom;
  567. if (isset($_custom['lps_hidden_when_no_start_date']) && $_custom['lps_hidden_when_no_start_date']) {
  568. $publicated_on = '';
  569. } else {
  570. $publicated_on = api_get_utc_datetime();
  571. }
  572. } else {
  573. $publicated_on = Database::escape_string(api_get_utc_datetime($publicated_on));
  574. }
  575. if ($expired_on == '0000-00-00 00:00:00' || empty($expired_on)) {
  576. $expired_on = '';
  577. } else {
  578. $expired_on = Database::escape_string(api_get_utc_datetime($expired_on));
  579. }
  580. while (Database :: num_rows($res_name)) {
  581. // There is already one such name, update the current one a bit.
  582. $i++;
  583. $name = $name . ' - ' . $i;
  584. $check_name = "SELECT * FROM $tbl_lp WHERE c_id = ".$course_id." AND name = '$name'";
  585. //if ($this->debug > 2) { error_log('New LP - Checking the name for new LP: '.$check_name, 0); }
  586. $res_name = Database::query($check_name);
  587. }
  588. // New name does not exist yet; keep it.
  589. // Escape description.
  590. $description = learnpath :: escape_string(api_htmlentities($description, ENT_QUOTES, $charset)); // Kevin: added htmlentities().
  591. $type = 1;
  592. switch ($learnpath) {
  593. case 'guess':
  594. break;
  595. case 'dokeos':
  596. case 'chamilo':
  597. $type = 1;
  598. break;
  599. case 'aicc':
  600. break;
  601. }
  602. switch ($origin) {
  603. case 'zip':
  604. // Check zipname string. If empty, we are currently creating a new Chamilo learnpath.
  605. break;
  606. case 'manual':
  607. default:
  608. $get_max = "SELECT MAX(display_order) FROM $tbl_lp WHERE c_id = ".$course_id." ";
  609. $res_max = Database::query($get_max);
  610. if (Database :: num_rows($res_max) < 1) {
  611. $dsp = 1;
  612. } else {
  613. $row = Database :: fetch_array($res_max);
  614. $dsp = $row[0] + 1;
  615. }
  616. $sql_insert = "INSERT INTO $tbl_lp (c_id, lp_type,name,description,path,default_view_mod, default_encoding,display_order,content_maker,content_local,js_lib,session_id, created_on, publicated_on, expired_on) " .
  617. "VALUES ($course_id, $type,'$name','$description','','embedded','UTF-8','$dsp','Chamilo','local','','".$session_id."', '".api_get_utc_datetime()."' , '".$publicated_on."' , '".$expired_on."')";
  618. $res_insert = Database::query($sql_insert);
  619. $id = Database :: insert_id();
  620. if ($id > 0) {
  621. // Insert into item_property.
  622. api_item_property_update(api_get_course_info(), TOOL_LEARNPATH, $id, 'LearnpathAdded', api_get_user_id());
  623. return $id;
  624. }
  625. break;
  626. }
  627. }
  628. /**
  629. * Appends a message to the message attribute
  630. * @param string Message to append.
  631. */
  632. public function append_message($string) {
  633. if ($this->debug > 0) {
  634. error_log('New LP - In learnpath::append_message()', 0);
  635. }
  636. $this->message .= $string;
  637. }
  638. /**
  639. * Autocompletes the parents of an item in case it's been completed or passed
  640. * @param integer Optional ID of the item from which to look for parents
  641. */
  642. public function autocomplete_parents($item) {
  643. $course_id = api_get_course_int_id();
  644. if ($this->debug > 0) {
  645. error_log('New LP - In learnpath::autocomplete_parents()', 0);
  646. }
  647. if (empty ($item)) {
  648. $item = $this->current;
  649. }
  650. $parent_id = $this->items[$item]->get_parent();
  651. if ($this->debug > 2) {
  652. error_log('New LP - autocompleting parent of item ' . $item . ' (item ' . $parent_id . ')', 0);
  653. }
  654. if (is_object($this->items[$item]) and !empty ($parent_id)) {
  655. // if $item points to an object and there is a parent.
  656. if ($this->debug > 2) {
  657. error_log('New LP - ' . $item . ' is an item, proceed', 0);
  658. }
  659. $current_item = & $this->items[$item];
  660. $parent = & $this->items[$parent_id]; // Get the parent.
  661. // New experiment including failed and browsed in completed status.
  662. $current_status = $current_item->get_status();
  663. if ($current_item->is_done() || $current_status == 'browsed' || $current_status == 'failed') {
  664. // If the current item is completed or passes or succeeded.
  665. $completed = true;
  666. if ($this->debug > 2) {
  667. error_log('New LP - Status of current item is alright', 0);
  668. }
  669. foreach ($parent->get_children() as $child) {
  670. // Check all his brothers (his parent's children) for completion status.
  671. if ($child != $item) {
  672. if ($this->debug > 2) {
  673. error_log('New LP - Looking at brother with ID ' . $child . ', status is ' . $this->items[$child]->get_status(), 0);
  674. }
  675. //if($this->items[$child]->status_is(array('completed','passed','succeeded')))
  676. // Trying completing parents of failed and browsed items as well.
  677. if ($this->items[$child]->status_is(array (
  678. 'completed',
  679. 'passed',
  680. 'succeeded',
  681. 'browsed',
  682. 'failed'
  683. ))) {
  684. // Keep completion status to true.
  685. } else {
  686. if ($this->debug > 2) {
  687. error_log('New LP - Found one incomplete child of ' . $parent_id . ': ' . $child . ' is ' . $this->items[$child]->get_status(), 0);
  688. }
  689. $completed = false;
  690. }
  691. }
  692. }
  693. if ($completed) { // If all the children were completed:
  694. $parent->set_status('completed');
  695. $parent->save(false, $this->prerequisites_match($parent->get_id()));
  696. $this->update_queue[$parent->get_id()] = $parent->get_status();
  697. if ($this->debug > 2) {
  698. error_log('New LP - Added parent to update queue ' . print_r($this->update_queue, true), 0);
  699. }
  700. $this->autocomplete_parents($parent->get_id()); // Recursive call.
  701. }
  702. } else {
  703. //error_log('New LP - status of current item is not enough to get bothered with it', 0);
  704. }
  705. }
  706. }
  707. /**
  708. * Autosaves the current results into the database for the whole learnpath
  709. */
  710. public function autosave() {
  711. if ($this->debug > 0) {
  712. error_log('New LP - In learnpath::autosave()', 0);
  713. }
  714. // TODO: Add save operations for the learnpath itself.
  715. }
  716. /**
  717. * Clears the message attribute
  718. */
  719. public function clear_message() {
  720. if ($this->debug > 0) {
  721. error_log('New LP - In learnpath::clear_message()', 0);
  722. }
  723. $this->message = '';
  724. }
  725. /**
  726. * Closes the current resource
  727. *
  728. * Stops the timer
  729. * Saves into the database if required
  730. * Clears the current resource data from this object
  731. * @return boolean True on success, false on failure
  732. */
  733. public function close() {
  734. $course_id = api_get_course_int_id();
  735. if ($this->debug > 0) {
  736. error_log('New LP - In learnpath::close()', 0);
  737. }
  738. if (empty ($this->lp_id)) {
  739. $this->error = 'Trying to close this learnpath but no ID is set';
  740. return false;
  741. }
  742. $this->current_time_stop = time();
  743. if ($this->save) {
  744. $learnpath_view_table = Database :: get_course_table(TABLE_LP_VIEW);
  745. /*
  746. $sql = "UPDATE $learnpath_view_table " .
  747. "SET " .
  748. "stop_time = ".$this->current_time_stop.", " .
  749. "score = ".$this->current_score.", ".
  750. "WHERE learnpath_id = '".$this->lp_id."'";
  751. //$res = Database::query($sql);
  752. $res = Database::query($res);
  753. if (Database::affected_rows($res) < 1) {
  754. $this->error = 'Could not update learnpath_view table while closing learnpath';
  755. return false;
  756. }
  757. */
  758. }
  759. $this->ordered_items = array ();
  760. $this->index = 0;
  761. unset ($this->lp_id);
  762. //unset other stuff
  763. return true;
  764. }
  765. /**
  766. * Static admin function allowing removal of a learnpath
  767. * @param string Course code
  768. * @param integer Learnpath ID
  769. * @param string Whether to delete data or keep it (default: 'keep', others: 'remove')
  770. * @return boolean True on success, false on failure (might change that to return number of elements deleted)
  771. */
  772. public function delete($course = null, $id = null, $delete = 'keep') {
  773. $course_id = api_get_course_int_id();
  774. // TODO: Implement a way of getting this to work when the current object is not set.
  775. // In clear: implement this in the item class as well (abstract class) and use the given ID in queries.
  776. //if (empty($course)) { $course = api_get_course_id(); }
  777. //if (empty($id)) { $id = $this->get_id(); }
  778. // If an ID is specifically given and the current LP is not the same, prevent delete.
  779. if (!empty ($id) && ($id != $this->lp_id)) {
  780. return false;
  781. }
  782. $lp = Database :: get_course_table(TABLE_LP_MAIN);
  783. $lp_item = Database :: get_course_table(TABLE_LP_ITEM); // Proposed by Christophe (clefevre), see below.
  784. $lp_view = Database :: get_course_table(TABLE_LP_VIEW);
  785. $lp_item_view = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
  786. //if ($this->debug > 0) { error_log('New LP - In learnpath::delete()', 0); }
  787. // Delete lp item id.
  788. foreach ($this->items as $id => $dummy) {
  789. //$this->items[$id]->delete();
  790. $sql_del_view = "DELETE FROM $lp_item_view WHERE c_id = $course_id AND lp_item_id = '" . $id . "'";
  791. $res_del_item_view = Database::query($sql_del_view);
  792. }
  793. // Proposed by Christophe (nickname: clefevre), see http://www.dokeos.com/forum/viewtopic.php?t=29673
  794. $sql_del_item = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  795. $res_del_item = Database::query($sql_del_item);
  796. $sql_del_view = "DELETE FROM $lp_view WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  797. //if ($this->debug > 2) { error_log('New LP - Deleting views bound to lp '.$this->lp_id.': '.$sql_del_view, 0); }
  798. $res_del_view = Database::query($sql_del_view);
  799. $this->toggle_publish($this->lp_id, 'i');
  800. //if ($this->debug > 2) { error_log('New LP - Deleting lp '.$this->lp_id.' of type '.$this->type, 0); }
  801. if ($this->type == 2 || $this->type == 3) {
  802. // This is a scorm learning path, delete the files as well.
  803. $sql = "SELECT path FROM $lp WHERE c_id = ".$course_id." AND id = " . $this->lp_id;
  804. $res = Database::query($sql);
  805. if (Database :: num_rows($res) > 0) {
  806. $row = Database :: fetch_array($res);
  807. $path = $row['path'];
  808. $sql = "SELECT id FROM $lp WHERE c_id = ".$course_id." AND path = '$path' AND id != " . $this->lp_id;
  809. $res = Database::query($sql);
  810. if (Database :: num_rows($res) > 0) { // Another learning path uses this directory, so don't delete it.
  811. if ($this->debug > 2) {
  812. error_log('New LP - In learnpath::delete(), found other LP using path ' . $path . ', keeping directory', 0);
  813. }
  814. } else {
  815. // No other LP uses that directory, delete it.
  816. $course_rel_dir = api_get_course_path() . '/scorm/'; // scorm dir web path starting from /courses
  817. $course_scorm_dir = api_get_path(SYS_COURSE_PATH) . $course_rel_dir; // The absolute system path for this course.
  818. if ($delete == 'remove' && is_dir($course_scorm_dir . $path) and !empty ($course_scorm_dir)) {
  819. if ($this->debug > 2) {
  820. error_log('New LP - In learnpath::delete(), found SCORM, deleting directory: ' . $course_scorm_dir . $path, 0);
  821. }
  822. // Proposed by Christophe (clefevre).
  823. if (strcmp(substr($path, -2), "/.") == 0) {
  824. $path = substr($path, 0, -1); // Remove "." at the end.
  825. }
  826. //exec('rm -rf ' . $course_scorm_dir . $path); // See Bug #5208, this is not OS-portable way.
  827. rmdirr($course_scorm_dir . $path);
  828. }
  829. }
  830. }
  831. }
  832. $sql_del_lp = "DELETE FROM $lp WHERE c_id = ".$course_id." AND id = " . $this->lp_id;
  833. //if ($this->debug > 2) { error_log('New LP - Deleting lp '.$this->lp_id.': '.$sql_del_lp, 0); }
  834. $res_del_lp = Database::query($sql_del_lp);
  835. $this->update_display_order(); // Updates the display order of all lps.
  836. api_item_property_update(api_get_course_info(), TOOL_LEARNPATH, $this->lp_id, 'delete', api_get_user_id());
  837. require_once '../gradebook/lib/be.inc.php';
  838. // Delete link of gradebook tool
  839. //$tbl_grade_link = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
  840. /*$sql = 'SELECT gl.id FROM ' . $tbl_grade_link . ' gl WHERE gl.type="4" AND gl.ref_id="' . $id . '";';
  841. $result = Database::query($sql);
  842. $row = Database :: fetch_array($result, 'ASSOC');*/
  843. // Fixing gradebook link deleted see #5229.
  844. /*
  845. if (!empty($row['id'])) {
  846. $link = LinkFactory :: load($row['id']);
  847. if ($link[0] != null) {
  848. $link[0]->delete();
  849. }
  850. }*/
  851. require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
  852. $link_id = is_resource_in_course_gradebook(api_get_course_id(), 4 , $id, api_get_session_id());
  853. if ($link_id !== false) {
  854. remove_resource_from_course_gradebook($link_id);
  855. }
  856. if (api_get_setting('search_enabled') == 'true') {
  857. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  858. $r = delete_all_values_for_item($this->cc, TOOL_LEARNPATH, $this->lp_id);
  859. }
  860. }
  861. /**
  862. * Removes all the children of one item - dangerous!
  863. * @param integer Element ID of which children have to be removed
  864. * @return integer Total number of children removed
  865. */
  866. public function delete_children_items($id) {
  867. $course_id = api_get_course_int_id();
  868. if ($this->debug > 0) {
  869. error_log('New LP - In learnpath::delete_children_items(' . $id . ')', 0);
  870. }
  871. $num = 0;
  872. if (empty ($id) || $id != strval(intval($id))) {
  873. return false;
  874. }
  875. $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  876. $sql = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND parent_item_id = $id";
  877. $res = Database::query($sql);
  878. while ($row = Database :: fetch_array($res)) {
  879. $num += $this->delete_children_items($row['id']);
  880. $sql_del = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND id = " . $row['id'];
  881. $res_del = Database::query($sql_del);
  882. $num++;
  883. }
  884. return $num;
  885. }
  886. /**
  887. * Removes an item from the current learnpath
  888. * @param integer Elem ID (0 if first)
  889. * @param integer Whether to remove the resource/data from the system or leave it (default: 'keep', others 'remove')
  890. * @return integer Number of elements moved
  891. * @todo implement resource removal
  892. */
  893. public function delete_item($id, $remove = 'keep') {
  894. $course_id = api_get_course_int_id();
  895. if ($this->debug > 0) {
  896. error_log('New LP - In learnpath::delete_item()', 0);
  897. }
  898. // TODO: Implement the resource removal.
  899. if (empty ($id) || $id != strval(intval($id))) {
  900. return false;
  901. }
  902. // First select item to get previous, next, and display order.
  903. $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  904. $sql_sel = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND id = $id";
  905. $res_sel = Database::query($sql_sel);
  906. if (Database :: num_rows($res_sel) < 1) {
  907. return false;
  908. }
  909. $row = Database :: fetch_array($res_sel);
  910. $previous = $row['previous_item_id'];
  911. $next = $row['next_item_id'];
  912. $display = $row['display_order'];
  913. $parent = $row['parent_item_id'];
  914. $lp = $row['lp_id'];
  915. // Delete children items.
  916. $num = $this->delete_children_items($id);
  917. if ($this->debug > 2) {
  918. error_log('New LP - learnpath::delete_item() - deleted ' . $num . ' children of element ' . $id, 0);
  919. }
  920. // Now delete the item.
  921. $sql_del = "DELETE FROM $lp_item WHERE c_id = $course_id AND id = $id";
  922. if ($this->debug > 2) {
  923. error_log('New LP - Deleting item: ' . $sql_del, 0);
  924. }
  925. $res_del = Database::query($sql_del);
  926. // Now update surrounding items.
  927. $sql_upd = "UPDATE $lp_item SET next_item_id = $next WHERE c_id = ".$course_id." AND id = $previous";
  928. $res_upd = Database::query($sql_upd);
  929. $sql_upd = "UPDATE $lp_item SET previous_item_id = $previous WHERE c_id = ".$course_id." AND id = $next";
  930. $res_upd = Database::query($sql_upd);
  931. // Now update all following items with new display order.
  932. $sql_all = "UPDATE $lp_item SET display_order = display_order-1 WHERE c_id = ".$course_id." AND lp_id = $lp AND parent_item_id = $parent AND display_order > $display";
  933. $res_all = Database::query($sql_all);
  934. //Removing prerequisites since the item will not longer exist
  935. $sql_all = "UPDATE $lp_item SET prerequisite = '' WHERE c_id = ".$course_id." AND prerequisite = $id";
  936. $res_all = Database::query($sql_all);
  937. // Remove from search engine if enabled.
  938. if (api_get_setting('search_enabled') == 'true') {
  939. $tbl_se_ref = Database :: get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  940. $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';
  941. $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp, $id);
  942. $res = Database::query($sql);
  943. if (Database :: num_rows($res) > 0) {
  944. $row2 = Database :: fetch_array($res);
  945. require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php';
  946. $di = new DokeosIndexer();
  947. $di->remove_document((int) $row2['search_did']);
  948. }
  949. $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';
  950. $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp, $id);
  951. Database::query($sql);
  952. }
  953. }
  954. /**
  955. * Updates an item's content in place
  956. * @param integer Element ID
  957. * @param integer Parent item ID
  958. * @param integer Previous item ID
  959. * @param string Item title
  960. * @param string Item description
  961. * @param string Prerequisites (optional)
  962. * @param string Indexing terms (optional)
  963. * @param array The array resulting of the $_FILES[mp3] element
  964. * @return boolean True on success, false on error
  965. */
  966. public function edit_item($id, $parent, $previous, $title, $description, $prerequisites = 0, $audio = null, $max_time_allowed = 0) {
  967. $course_id = api_get_course_int_id();
  968. if ($this->debug > 0) {
  969. error_log('New LP - In learnpath::edit_item()', 0);
  970. }
  971. if (empty ($max_time_allowed)) {
  972. $max_time_allowed = 0;
  973. }
  974. if (empty ($id) || ($id != strval(intval($id))) || empty ($title)) {
  975. return false;
  976. }
  977. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  978. $sql_select = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = ".$course_id." AND id = " . $id;
  979. $res_select = Database::query($sql_select);
  980. $row_select = Database :: fetch_array($res_select);
  981. $audio_update_sql = '';
  982. if (is_array($audio) && !empty ($audio['tmp_name']) && $audio['error'] === 0) {
  983. // Create the audio folder if it does not exist yet.
  984. global $_course;
  985. $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
  986. if (!is_dir($filepath . 'audio')) {
  987. mkdir($filepath . 'audio', api_get_permissions_for_new_directories());
  988. $audio_id = add_document($_course, '/audio', 'folder', 0, 'audio');
  989. api_item_property_update($_course, TOOL_DOCUMENT, $audio_id, 'FolderCreated', api_get_user_id(), null, null, null, null, api_get_session_id());
  990. }
  991. // Upload file in documents.
  992. $pi = pathinfo($audio['name']);
  993. if ($pi['extension'] == 'mp3') {
  994. $c_det = api_get_course_info($this->cc);
  995. $bp = api_get_path(SYS_COURSE_PATH) . $c_det['path'] . '/document';
  996. $path = handle_uploaded_document($c_det, $audio, $bp, '/audio', api_get_user_id(), 0, null, '', 0, 'rename', false, 0);
  997. $path = substr($path, 7);
  998. // Update reference in lp_item - audio path is the path from inside de document/audio/ dir.
  999. $audio_update_sql = ", audio = '" . Database :: escape_string($path) . "' ";
  1000. }
  1001. }
  1002. $same_parent = ($row_select['parent_item_id'] == $parent) ? true : false;
  1003. $same_previous = ($row_select['previous_item_id'] == $previous) ? true : false;
  1004. // TODO: htmlspecialchars to be checked for encoding related problems.
  1005. if ($same_parent && $same_previous) {
  1006. // Only update title and description.
  1007. $sql_update = " UPDATE " . $tbl_lp_item . "
  1008. SET title = '" . $this->escape_string($title) . "',
  1009. prerequisite = '" . $prerequisites . "',
  1010. description = '" . $this->escape_string($description) . "'
  1011. " . $audio_update_sql . ",
  1012. max_time_allowed = '" . $this->escape_string($max_time_allowed) . "'
  1013. WHERE c_id = ".$course_id." AND id = " . $id;
  1014. $res_update = Database::query($sql_update);
  1015. } else {
  1016. $old_parent = $row_select['parent_item_id'];
  1017. $old_previous = $row_select['previous_item_id'];
  1018. $old_next = $row_select['next_item_id'];
  1019. $old_order = $row_select['display_order'];
  1020. $old_prerequisite = $row_select['prerequisite'];
  1021. $old_max_time_allowed = $row_select['max_time_allowed'];
  1022. /* BEGIN -- virtually remove the current item id */
  1023. /* for the next and previous item it is like the current item doesn't exist anymore */
  1024. if ($old_previous != 0) {
  1025. $sql_update_next = "
  1026. UPDATE " . $tbl_lp_item . "
  1027. SET next_item_id = " . $old_next . "
  1028. WHERE c_id = ".$course_id." AND id = " . $old_previous;
  1029. $res_update_next = Database::query($sql_update_next);
  1030. //echo '<p>' . $sql_update_next . '</p>';
  1031. }
  1032. if ($old_next != 0) {
  1033. $sql_update_previous = "
  1034. UPDATE " . $tbl_lp_item . "
  1035. SET previous_item_id = " . $old_previous . "
  1036. WHERE c_id = ".$course_id." AND id = " . $old_next;
  1037. $res_update_previous = Database::query($sql_update_previous);
  1038. //echo '<p>' . $sql_update_previous . '</p>';
  1039. }
  1040. // display_order - 1 for every item with a display_order bigger then the display_order of the current item.
  1041. $sql_update_order = "
  1042. UPDATE " . $tbl_lp_item . "
  1043. SET display_order = display_order - 1
  1044. WHERE
  1045. c_id = ".$course_id." AND
  1046. display_order > " . $old_order . " AND lp_id = " . $this->lp_id . " AND
  1047. parent_item_id = " . $old_parent;
  1048. $res_update_order = Database::query($sql_update_order);
  1049. //echo '<p>' . $sql_update_order . '</p>';
  1050. /* END -- virtually remove the current item id */
  1051. /* BEGIN -- update the current item id to his new location */
  1052. if ($previous == 0) {
  1053. // Select the data of the item that should come after the current item.
  1054. $sql_select_old = "SELECT id, display_order
  1055. FROM " . $tbl_lp_item . "
  1056. WHERE
  1057. c_id = ".$course_id." AND
  1058. lp_id = " . $this->lp_id . " AND
  1059. parent_item_id = " . $parent . " AND
  1060. previous_item_id = " . $previous;
  1061. $res_select_old = Database::query($sql_select_old);
  1062. $row_select_old = Database :: fetch_array($res_select_old);
  1063. //echo '<p>' . $sql_select_old . '</p>';
  1064. // If the new parent didn't have children before.
  1065. if (Database :: num_rows($res_select_old) == 0) {
  1066. $new_next = 0;
  1067. $new_order = 1;
  1068. } else {
  1069. $new_next = $row_select_old['id'];
  1070. $new_order = $row_select_old['display_order'];
  1071. }
  1072. //echo 'New next_item_id of current item: ' . $new_next . '<br />';
  1073. //echo 'New previous_item_id of current item: ' . $previous . '<br />';
  1074. //echo 'New display_order of current item: ' . $new_order . '<br />';
  1075. } else {
  1076. // Select the data of the item that should come before the current item.
  1077. $sql_select_old = " SELECT next_item_id, display_order
  1078. FROM " . $tbl_lp_item . "
  1079. WHERE c_id = ".$course_id." AND id = " . $previous;
  1080. $res_select_old = Database::query($sql_select_old);
  1081. $row_select_old = Database :: fetch_array($res_select_old);
  1082. //echo '<p>' . $sql_select_old . '</p>';
  1083. //echo 'New next_item_id of current item: ' . $row_select_old['next_item_id'] . '<br />';
  1084. //echo 'New previous_item_id of current item: ' . $previous . '<br />';
  1085. //echo 'New display_order of current item: ' . ($row_select_old['display_order'] + 1) . '<br />';
  1086. $new_next = $row_select_old['next_item_id'];
  1087. $new_order = $row_select_old['display_order'] + 1;
  1088. }
  1089. // TODO: htmlspecialchars to be checked for encoding related problems.
  1090. // Update the current item with the new data.
  1091. $sql_update = "UPDATE " . $tbl_lp_item . "
  1092. SET
  1093. title = '" . $this->escape_string($title) . "',
  1094. description = '" . $this->escape_string($description) . "',
  1095. parent_item_id = " . $parent . ",
  1096. previous_item_id = " . $previous . ",
  1097. next_item_id = " . $new_next . ",
  1098. display_order = " . $new_order . "
  1099. " . $audio_update_sql . "
  1100. WHERE c_id = ".$course_id." AND id = " . $id;
  1101. $res_update_next = Database::query($sql_update);
  1102. //echo '<p>' . $sql_update . '</p>';
  1103. if ($previous != 0) {
  1104. // Update the previous item's next_item_id.
  1105. $sql_update_previous = "
  1106. UPDATE " . $tbl_lp_item . "
  1107. SET next_item_id = " . $id . "
  1108. WHERE c_id = ".$course_id." AND id = " . $previous;
  1109. $res_update_next = Database::query($sql_update_previous);
  1110. //echo '<p>' . $sql_update_previous . '</p>';
  1111. }
  1112. if ($new_next != 0) {
  1113. // Update the next item's previous_item_id.
  1114. $sql_update_next = "
  1115. UPDATE " . $tbl_lp_item . "
  1116. SET previous_item_id = " . $id . "
  1117. WHERE c_id = ".$course_id." AND id = " . $new_next;
  1118. $res_update_next = Database::query($sql_update_next);
  1119. //echo '<p>' . $sql_update_next . '</p>';
  1120. }
  1121. if ($old_prerequisite != $prerequisites) {
  1122. $sql_update_next = "
  1123. UPDATE " . $tbl_lp_item . "
  1124. SET prerequisite = " . $prerequisites . "
  1125. WHERE c_id = ".$course_id." AND id = " . $id;
  1126. $res_update_next = Database::query($sql_update_next);
  1127. }
  1128. if ($old_max_time_allowed != $max_time_allowed) {
  1129. $sql_update_max_time_allowed = "
  1130. UPDATE " . $tbl_lp_item . "
  1131. SET max_time_allowed = " . $max_time_allowed . "
  1132. WHERE c_id = ".$course_id." AND id = " . $id;
  1133. $res_update_max_time_allowed = Database::query($sql_update_max_time_allowed);
  1134. }
  1135. // Update all the items with the same or a bigger display_order than the current item.
  1136. $sql_update_order = "
  1137. UPDATE " . $tbl_lp_item . "
  1138. SET display_order = display_order + 1
  1139. WHERE
  1140. c_id = ".$course_id." AND
  1141. lp_id = " . $this->get_id() . " AND
  1142. id <> " . $id . " AND
  1143. parent_item_id = " . $parent . " AND
  1144. display_order >= " . $new_order;
  1145. $res_update_next = Database::query($sql_update_order);
  1146. }
  1147. }
  1148. /**
  1149. * Updates an item's prereq in place
  1150. * @param integer Element ID
  1151. * @param string Prerequisite Element ID
  1152. * @param string Prerequisite item type
  1153. * @param string Prerequisite min score
  1154. * @param string Prerequisite max score
  1155. * @return boolean True on success, false on error
  1156. */
  1157. public function edit_item_prereq($id, $prerequisite_id, $mastery_score = 0, $max_score = 100) {
  1158. $course_id = api_get_course_int_id();
  1159. if ($this->debug > 0) {
  1160. error_log('New LP - In learnpath::edit_item_prereq(' . $id . ',' . $prerequisite_id . ',' . $mastery_score . ',' . $max_score . ')', 0);
  1161. }
  1162. if (empty ($id) or ($id != strval(intval($id))) or empty ($prerequisite_id)) {
  1163. return false;
  1164. }
  1165. $prerequisite_id = $this->escape_string($prerequisite_id);
  1166. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  1167. if (!is_numeric($mastery_score) || $mastery_score < 0)
  1168. $mastery_score = 0;
  1169. if (!is_numeric($max_score) || $max_score < 0)
  1170. $max_score = 100;
  1171. if ($mastery_score > $max_score)
  1172. $max_score = $mastery_score;
  1173. if (!is_numeric($prerequisite_id))
  1174. $prerequisite_id = 'NULL';
  1175. $sql_upd = " UPDATE " . $tbl_lp_item . "
  1176. SET prerequisite = " . $prerequisite_id . " WHERE c_id = ".$course_id." AND id = " . $id;
  1177. $res_upd = Database::query($sql_upd);
  1178. if ($prerequisite_id != 'NULL' && $prerequisite_id != '') {
  1179. $sql_upd = " UPDATE " . $tbl_lp_item . " SET
  1180. mastery_score = " . $mastery_score .
  1181. //", max_score = " . $max_score . " " . // Max score cannot be changed in the form anyway - see display_item_prerequisites_form().
  1182. " WHERE c_id = ".$course_id." AND ref = '" . $prerequisite_id . "'"; // Will this be enough to ensure unicity?
  1183. $res_upd = Database::query($sql_upd);
  1184. }
  1185. // TODO: Update the item object (can be ignored for now because refreshed).
  1186. return true;
  1187. }
  1188. /**
  1189. * Escapes a string with the available database escape function
  1190. * @param string String to escape
  1191. * @return string String escaped
  1192. */
  1193. public function escape_string($string) {
  1194. //if ($this->debug > 0) { error_log('New LP - In learnpath::escape_string('.$string.')', 0); }
  1195. return Database :: escape_string($string);
  1196. }
  1197. /**
  1198. * Static admin function exporting a learnpath into a zip file
  1199. * @param string Export type (scorm, zip, cd)
  1200. * @param string Course code
  1201. * @param integer Learnpath ID
  1202. * @param string Zip file name
  1203. * @return string Zip file path (or false on error)
  1204. */
  1205. public function export_lp($type, $course, $id, $zipname) {
  1206. $course_id = api_get_course_int_id();
  1207. //if ($this->debug > 0) { error_log('New LP - In learnpath::export_lp()', 0); }
  1208. if (empty($type) || empty($course) || empty($id) || empty($zipname)) {
  1209. return false;
  1210. }
  1211. $url = '';
  1212. switch ($type) {
  1213. case 'scorm':
  1214. break;
  1215. case 'zip':
  1216. break;
  1217. case 'cdrom':
  1218. break;
  1219. }
  1220. return $url;
  1221. }
  1222. /**
  1223. * Gets all the chapters belonging to the same parent as the item/chapter given
  1224. * Can also be called as abstract method
  1225. * @param integer Item ID
  1226. * @return array A list of all the "brother items" (or an empty array on failure)
  1227. */
  1228. public function get_brother_chapters($id) {
  1229. $course_id = api_get_course_int_id();
  1230. if ($this->debug > 0) {
  1231. error_log('New LP - In learnpath::get_brother_chapters()', 0);
  1232. }
  1233. if (empty ($id) OR $id != strval(intval($id))) {
  1234. return array ();
  1235. }
  1236. $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  1237. $sql_parent = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND id = $id AND item_type='dokeos_chapter'";
  1238. $res_parent = Database::query($sql_parent);
  1239. if (Database :: num_rows($res_parent) > 0) {
  1240. $row_parent = Database :: fetch_array($res_parent);
  1241. $parent = $row_parent['parent_item_id'];
  1242. $sql_bros = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND parent_item_id = $parent AND id = $id AND item_type='dokeos_chapter' ORDER BY display_order";
  1243. $res_bros = Database::query($sql_bros);
  1244. $list = array ();
  1245. while ($row_bro = Database :: fetch_array($res_bros)) {
  1246. $list[] = $row_bro;
  1247. }
  1248. return $list;
  1249. }
  1250. return array ();
  1251. }
  1252. /**
  1253. * Gets all the items belonging to the same parent as the item given
  1254. * Can also be called as abstract method
  1255. * @param integer Item ID
  1256. * @return array A list of all the "brother items" (or an empty array on failure)
  1257. */
  1258. public function get_brother_items($id) {
  1259. $course_id = api_get_course_int_id();
  1260. if ($this->debug > 0) {
  1261. error_log('New LP - In learnpath::get_brother_items(' . $id . ')', 0);
  1262. }
  1263. if (empty ($id) OR $id != strval(intval($id))) {
  1264. return array ();
  1265. }
  1266. $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  1267. $sql_parent = "SELECT * FROM $lp_item WHERE c_id = $course_id AND id = $id";
  1268. $res_parent = Database::query($sql_parent);
  1269. if (Database :: num_rows($res_parent) > 0) {
  1270. $row_parent = Database :: fetch_array($res_parent);
  1271. $parent = $row_parent['parent_item_id'];
  1272. $sql_bros = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND parent_item_id = $parent ORDER BY display_order";
  1273. $res_bros = Database::query($sql_bros);
  1274. $list = array ();
  1275. while ($row_bro = Database :: fetch_array($res_bros)) {
  1276. $list[] = $row_bro;
  1277. }
  1278. return $list;
  1279. }
  1280. return array ();
  1281. }
  1282. /**
  1283. * Get the specific prefix index terms of this learning path
  1284. * @return array Array of terms
  1285. */
  1286. public function get_common_index_terms_by_prefix($prefix) {
  1287. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  1288. $terms = get_specific_field_values_list_by_prefix($prefix, $this->cc, TOOL_LEARNPATH, $this->lp_id);
  1289. $prefix_terms = array();
  1290. if (!empty($terms)) {
  1291. foreach ($terms as $term) {
  1292. $prefix_terms[] = $term['value'];
  1293. }
  1294. }
  1295. return $prefix_terms;
  1296. }
  1297. /**
  1298. * Gets the number of items currently completed
  1299. * @return integer The number of items currently completed
  1300. */
  1301. public function get_complete_items_count() {
  1302. if ($this->debug > 0) {
  1303. error_log('New LP - In learnpath::get_complete_items_count()', 0);
  1304. }
  1305. $i = 0;
  1306. foreach ($this->items as $id => $dummy) {
  1307. // Trying failed and browsed considered "progressed" as well.
  1308. if ($this->items[$id]->status_is(array (
  1309. 'completed',
  1310. 'passed',
  1311. 'succeeded',
  1312. 'browsed',
  1313. 'failed'
  1314. )) && $this->items[$id]->get_type() != 'dokeos_chapter' && $this->items[$id]->get_type() != 'dir') {
  1315. $i++;
  1316. }
  1317. }
  1318. return $i;
  1319. }
  1320. /**
  1321. * Gets the current item ID
  1322. * @return integer The current learnpath item id
  1323. */
  1324. public function get_current_item_id() {
  1325. $current = 0;
  1326. if ($this->debug > 0) {
  1327. error_log('New LP - In learnpath::get_current_item_id()', 0);
  1328. }
  1329. if (!empty ($this->current)) {
  1330. $current = $this->current;
  1331. }
  1332. if ($this->debug > 2) {
  1333. error_log('New LP - In learnpath::get_current_item_id() - Returning ' . $current, 0);
  1334. }
  1335. return $current;
  1336. }
  1337. /**
  1338. * Force to get the first learnpath item id
  1339. * @return integer The current learnpath item id
  1340. */
  1341. public function get_first_item_id() {
  1342. $current = 0;
  1343. if (is_array($this->ordered_items)) {
  1344. $current = $this->ordered_items[0];
  1345. }
  1346. return $current;
  1347. }
  1348. /**
  1349. * Gets the total number of items available for viewing in this SCORM
  1350. * @return integer The total number of items
  1351. */
  1352. public function get_total_items_count() {
  1353. if ($this->debug > 0) {
  1354. error_log('New LP - In learnpath::get_total_items_count()', 0);
  1355. }
  1356. return count($this->items);
  1357. }
  1358. /**
  1359. * Gets the total number of items available for viewing in this SCORM but without chapters
  1360. * @return integer The total no-chapters number of items
  1361. */
  1362. public function get_total_items_count_without_chapters() {
  1363. if ($this->debug > 0) {
  1364. error_log('New LP - In learnpath::get_total_items_count_without_chapters()', 0);
  1365. }
  1366. $total = 0;
  1367. foreach ($this->items as $temp => $temp2) {
  1368. if (!in_array($temp2->get_type(), array (
  1369. 'dokeos_chapter',
  1370. 'chapter',
  1371. 'dir'
  1372. )))
  1373. $total++;
  1374. }
  1375. return $total;
  1376. }
  1377. /**
  1378. * Gets the first element URL.
  1379. * @return string URL to load into the viewer
  1380. */
  1381. public function first() {
  1382. if ($this->debug > 0) {
  1383. error_log('New LP - In learnpath::first()', 0);
  1384. }
  1385. // Test if the last_item_seen exists and is not a dir.
  1386. if (count($this->ordered_items) == 0) {
  1387. $this->index = 0;
  1388. }
  1389. if (!empty($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()) {
  1390. if ($this->debug > 2) {
  1391. 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);
  1392. }
  1393. $index = -1;
  1394. foreach ($this->ordered_items as $myindex => $item_id) {
  1395. if ($item_id == $this->last_item_seen) {
  1396. $index = $myindex;
  1397. break;
  1398. }
  1399. }
  1400. if ($index == -1) {
  1401. // Index hasn't changed, so item not found - panic (this shouldn't happen).
  1402. if ($this->debug > 2) {
  1403. error_log('New LP - Last item (' . $this->last_item_seen . ') was found in items but not in ordered_items, panic!', 0);
  1404. }
  1405. return false;
  1406. } else {
  1407. $this->last = $this->last_item_seen;
  1408. $this->current = $this->last_item_seen;
  1409. $this->index = $index;
  1410. }
  1411. } else {
  1412. if ($this->debug > 2) {
  1413. error_log('New LP - In learnpath::first() - No last item seen', 0);
  1414. }
  1415. $index = 0;
  1416. // Loop through all ordered items and stop at the first item that is
  1417. // not a directory *and* that has not been completed yet.
  1418. while (!empty($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) {
  1419. $index++;
  1420. }
  1421. $this->last = $this->current;
  1422. // current is
  1423. $this->current = $this->ordered_items[$index];
  1424. $this->index = $index;
  1425. if ($this->debug > 2) {
  1426. error_log('New LP - In learnpath::first() - No last item seen. New last = ' . $this->last . '(' . $this->ordered_items[$index] . ')', 0);
  1427. }
  1428. }
  1429. if ($this->debug > 2) {
  1430. error_log('New LP - In learnpath::first() - First item is ' . $this->get_current_item_id());
  1431. }
  1432. }
  1433. /**
  1434. * Gets the information about an item in a format usable as JavaScript to update
  1435. * the JS API by just printing this content into the <head> section of the message frame
  1436. * @param integer Item ID
  1437. * @return string
  1438. */
  1439. public function get_js_info($item_id = '') {
  1440. if ($this->debug > 0) {
  1441. error_log('New LP - In learnpath::get_js_info(' . $item_id . ')', 0);
  1442. }
  1443. $info = '';
  1444. $item_id = $this->escape_string($item_id);
  1445. if (!empty($item_id) && is_object($this->items[$item_id])) {
  1446. //if item is defined, return values from DB
  1447. $oItem = $this->items[$item_id];
  1448. $info .= '<script language="javascript">';
  1449. $info .= "top.set_score(" . $oItem->get_score() . ");\n";
  1450. $info .= "top.set_max(" . $oItem->get_max() . ");\n";
  1451. $info .= "top.set_min(" . $oItem->get_min() . ");\n";
  1452. $info .= "top.set_lesson_status('" . $oItem->get_status() . "');";
  1453. $info .= "top.set_session_time('" . $oItem->get_scorm_time('js') . "');";
  1454. $info .= "top.set_suspend_data('" . $oItem->get_suspend_data() . "');";
  1455. $info .= "top.set_saved_lesson_status('" . $oItem->get_status() . "');";
  1456. $info .= "top.set_flag_synchronized();";
  1457. $info .= '</script>';
  1458. if ($this->debug > 2) {
  1459. error_log('New LP - in learnpath::get_js_info(' . $item_id . ') - returning: ' . $info, 0);
  1460. }
  1461. return $info;
  1462. } else {
  1463. // If item_id is empty, just update to default SCORM data.
  1464. $info .= '<script language="javascript">';
  1465. $info .= "top.set_score(" . learnpathItem :: get_score() . ");\n";
  1466. $info .= "top.set_max(" . learnpathItem :: get_max() . ");\n";
  1467. $info .= "top.set_min(" . learnpathItem :: get_min() . ");\n";
  1468. $info .= "top.set_lesson_status('" . learnpathItem :: get_status() . "');";
  1469. $info .= "top.set_session_time('" . learnpathItem :: get_scorm_time('js') . "');";
  1470. $info .= "top.set_suspend_data('" . learnpathItem :: get_suspend_data() . "');";
  1471. $info .= "top.set_saved_lesson_status('" . learnpathItem :: get_status() . "');";
  1472. $info .= "top.set_flag_synchronized();";
  1473. $info .= '</script>';
  1474. if ($this->debug > 2) {
  1475. error_log('New LP - in learnpath::get_js_info(' . $item_id . ') - returning: ' . $info, 0);
  1476. }
  1477. return $info;
  1478. }
  1479. }
  1480. /**
  1481. * Gets the js library from the database
  1482. * @return string The name of the javascript library to be used
  1483. */
  1484. public function get_js_lib() {
  1485. $lib = '';
  1486. if (!empty ($this->js_lib)) {
  1487. $lib = $this->js_lib;
  1488. }
  1489. return $lib;
  1490. }
  1491. /**
  1492. * Gets the learnpath database ID
  1493. * @return integer Learnpath ID in the lp table
  1494. */
  1495. public function get_id() {
  1496. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_id()', 0); }
  1497. if (!empty ($this->lp_id)) {
  1498. return $this->lp_id;
  1499. } else {
  1500. return 0;
  1501. }
  1502. }
  1503. /**
  1504. * Gets the last element URL.
  1505. * @return string URL to load into the viewer
  1506. */
  1507. public function get_last() {
  1508. if ($this->debug > 0) {
  1509. error_log('New LP - In learnpath::get_last()', 0);
  1510. }
  1511. $this->index = count($this->ordered_items) - 1;
  1512. return $this->ordered_items[$this->index];
  1513. }
  1514. /**
  1515. * Gets the navigation bar for the learnpath display screen
  1516. * @return string The HTML string to use as a navigation bar
  1517. */
  1518. public function get_navigation_bar() {
  1519. if ($this->debug > 0) {
  1520. error_log('New LP - In learnpath::get_navigation_bar()', 0);
  1521. }
  1522. // TODO: Find a good value for the following variables.
  1523. $file = '';
  1524. $openDir = '';
  1525. $edoceo = '';
  1526. $time = 0;
  1527. $navbar = '';
  1528. $RequestUri = '';
  1529. $mycurrentitemid = $this->get_current_item_id();
  1530. if ($this->mode == 'fullscreen') {
  1531. $navbar = '
  1532. <div class="buttons">
  1533. <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>
  1534. <a href="" onClick="switch_item(' . $mycurrentitemid . ',\'previous\');return false;" title="previous"><img border="0" src="../img/lp_leftarrow.gif" title="' . get_lang('ScormPrevious') . '"></a>
  1535. <a href="" onClick="switch_item(' . $mycurrentitemid . ',\'next\');return false;" title="next" ><img border="0" src="../img/lp_rightarrow.gif" title="' . get_lang('ScormNext') . '"></a>.
  1536. <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>
  1537. </div>';
  1538. } else {
  1539. $navbar = '
  1540. <div class="buttons">
  1541. <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>
  1542. <a href="" onClick="switch_item(' . $mycurrentitemid . ',\'previous\');return false;" title="previous"><img border="0" src="../img/lp_leftarrow.gif" title="' . get_lang('ScormPrevious') . '"></a>
  1543. <a href="" onClick="switch_item(' . $mycurrentitemid . ',\'next\');return false;" title="next" ><img border="0" src="../img/lp_rightarrow.gif" title="' . get_lang('ScormNext') . '"></a>
  1544. </div>';
  1545. }
  1546. return $navbar;
  1547. }
  1548. /**
  1549. * Gets the next resource in queue (url).
  1550. * @return string URL to load into the viewer
  1551. */
  1552. public function get_next_index() {
  1553. if ($this->debug > 0) {
  1554. error_log('New LP - In learnpath::get_next_index()', 0);
  1555. }
  1556. // TODO
  1557. $index = $this->index;
  1558. $index++;
  1559. if ($this->debug > 2) {
  1560. error_log('New LP - Now looking at ordered_items[' . ($index) . '] - type is ' . $this->items[$this->ordered_items[$index]]->type, 0);
  1561. }
  1562. while (!empty ($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) {
  1563. $index++;
  1564. if ($index == $this->max_ordered_items){
  1565. if ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') {
  1566. return $this->index;
  1567. } else {
  1568. return $index;
  1569. }
  1570. }
  1571. }
  1572. if (empty ($this->ordered_items[$index])) {
  1573. return $this->index;
  1574. }
  1575. if ($this->debug > 2) {
  1576. error_log('New LP - index is now ' . $index, 0);
  1577. }
  1578. return $index;
  1579. }
  1580. /**
  1581. * Gets item_id for the next element
  1582. * @return integer Next item (DB) ID
  1583. */
  1584. public function get_next_item_id() {
  1585. if ($this->debug > 0) {
  1586. error_log('New LP - In learnpath::get_next_item_id()', 0);
  1587. }
  1588. $new_index = $this->get_next_index();
  1589. if (!empty ($new_index)) {
  1590. if (isset ($this->ordered_items[$new_index])) {
  1591. if ($this->debug > 2) {
  1592. error_log('New LP - In learnpath::get_next_index() - Returning ' . $this->ordered_items[$new_index], 0);
  1593. }
  1594. return $this->ordered_items[$new_index];
  1595. }
  1596. }
  1597. if ($this->debug > 2) {
  1598. error_log('New LP - In learnpath::get_next_index() - Problem - Returning 0', 0);
  1599. }
  1600. return 0;
  1601. }
  1602. /**
  1603. * Returns the package type ('scorm','aicc','scorm2004','dokeos','ppt'...)
  1604. *
  1605. * Generally, the package provided is in the form of a zip file, so the function
  1606. * has been written to test a zip file. If not a zip, the function will return the
  1607. * default return value: ''
  1608. * @param string the path to the file
  1609. * @param string the original name of the file
  1610. * @return string 'scorm','aicc','scorm2004','dokeos' or '' if the package cannot be recognized
  1611. */
  1612. public function get_package_type($file_path, $file_name) {
  1613. // Get name of the zip file without the extension.
  1614. $file_info = pathinfo($file_name);
  1615. $filename = $file_info['basename']; // Name including extension.
  1616. $extension = $file_info['extension']; // Extension only.
  1617. if (!empty($_POST['ppt2lp']) && !in_array(strtolower($extension), array (
  1618. 'dll',
  1619. 'exe'
  1620. ))) {
  1621. return 'oogie';
  1622. }
  1623. if (!empty($_POST['woogie']) && !in_array(strtolower($extension), array (
  1624. 'dll',
  1625. 'exe'
  1626. ))) {
  1627. return 'woogie';
  1628. }
  1629. $file_base_name = str_replace('.' . $extension, '', $filename); // Filename without its extension.
  1630. $zipFile = new pclZip($file_path);
  1631. // Check the zip content (real size and file extension).
  1632. $zipContentArray = $zipFile->listContent();
  1633. $package_type = '';
  1634. $at_root = false;
  1635. $manifest = '';
  1636. // The following loop should be stopped as soon as we found the right imsmanifest.xml (how to recognize it?).
  1637. if (is_array($zipContentArray) && count($zipContentArray) > 0) {
  1638. foreach ($zipContentArray as $thisContent) {
  1639. if (preg_match('~.(php.*|phtml)$~i', $thisContent['filename'])) {
  1640. // New behaviour: Don't do anything. These files will be removed in scorm::import_package.
  1641. }
  1642. elseif (stristr($thisContent['filename'], 'imsmanifest.xml') !== false) {
  1643. $manifest = $thisContent['filename']; // Just the relative directory inside scorm/
  1644. $package_type = 'scorm';
  1645. break; // Exit the foreach loop.
  1646. }
  1647. elseif (preg_match('/aicc\//i', $thisContent['filename'])) {
  1648. // If found an aicc directory... (!= false means it cannot be false (error) or 0 (no match)).
  1649. $package_type = 'aicc';
  1650. //break; // Don't exit the loop, because if we find an imsmanifest afterwards, we want it, not the AICC.
  1651. } else {
  1652. $package_type = '';
  1653. }
  1654. }
  1655. }
  1656. return $package_type;
  1657. }
  1658. /**
  1659. * Gets the previous resource in queue (url). Also initialises time values for this viewing
  1660. * @return string URL to load into the viewer
  1661. */
  1662. public function get_previous_index() {
  1663. if ($this->debug > 0) {
  1664. error_log('New LP - In learnpath::get_previous_index()', 0);
  1665. }
  1666. $index = $this->index;
  1667. if (isset ($this->ordered_items[$index -1])) {
  1668. $index--;
  1669. while (isset ($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter')) {
  1670. $index--;
  1671. if ($index < 0) {
  1672. return $this->index;
  1673. }
  1674. }
  1675. } else {
  1676. if ($this->debug > 2) {
  1677. error_log('New LP - get_previous_index() - there was no previous index available, reusing ' . $index, 0);
  1678. }
  1679. // There is no previous item.
  1680. }
  1681. return $index;
  1682. }
  1683. /**
  1684. * Gets item_id for the next element
  1685. * @return integer Previous item (DB) ID
  1686. */
  1687. public function get_previous_item_id() {
  1688. if ($this->debug > 0) {
  1689. error_log('New LP - In learnpath::get_previous_item_id()', 0);
  1690. }
  1691. $new_index = $this->get_previous_index();
  1692. return $this->ordered_items[$new_index];
  1693. }
  1694. /**
  1695. * Gets the progress value from the progress_db attribute
  1696. * @return integer Current progress value
  1697. */
  1698. public function get_progress() {
  1699. if ($this->debug > 0) {
  1700. error_log('New LP - In learnpath::get_progress()', 0);
  1701. }
  1702. if (!empty ($this->progress_db)) {
  1703. return $this->progress_db;
  1704. }
  1705. return 0;
  1706. }
  1707. /**
  1708. * Gets the progress value from the progress field in the database (allows use as abstract method)
  1709. * @param integer Learnpath ID
  1710. * @param integer User ID
  1711. * @param string Mode of display ('%','abs' or 'both')
  1712. * @param string Course database name (optional, defaults to '')
  1713. * @param boolean Whether to return null if no record was found (true), or 0 (false) (optional, defaults to false)
  1714. * @return integer Current progress value as found in the database
  1715. */
  1716. public function get_db_progress($lp_id, $user_id, $mode = '%', $course_code = '', $sincere = false,$session_id = 0) {
  1717. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_db_progress()', 0); }
  1718. $session_id = intval($session_id);
  1719. $course_info = api_get_course_info($course_code);
  1720. $session_condition = api_get_session_condition($session_id);
  1721. $course_id = $course_info['real_id'];
  1722. $table = Database :: get_course_table(TABLE_LP_VIEW);
  1723. $sql = "SELECT * FROM $table WHERE c_id = ".$course_id." AND lp_id = $lp_id AND user_id = $user_id $session_condition";
  1724. $res = Database::query($sql);
  1725. $view_id = 0;
  1726. if (Database :: num_rows($res) > 0) {
  1727. $row = Database :: fetch_array($res);
  1728. $progress = $row['progress'];
  1729. $view_id = $row['id'];
  1730. } else {
  1731. if ($sincere) {
  1732. return null;
  1733. }
  1734. }
  1735. if (empty ($progress)) {
  1736. $progress = '0';
  1737. }
  1738. if ($mode == '%') {
  1739. return $progress . '%';
  1740. } else {
  1741. // Get the number of items completed and the number of items total.
  1742. $tbl = Database :: get_course_table(TABLE_LP_ITEM);
  1743. $sql = "SELECT count(*) FROM $tbl
  1744. WHERE c_id = $course_id AND c_id = ".$course_id." AND lp_id = " . $lp_id . " AND item_type NOT IN('dokeos_chapter','chapter','dir')";
  1745. $res = Database::query($sql);
  1746. $row = Database :: fetch_array($res);
  1747. $total = $row[0];
  1748. $tbl_item_view = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
  1749. $tbl_item = Database :: get_course_table(TABLE_LP_ITEM);
  1750. //$sql = "SELECT count(distinct(lp_item_id)) FROM $tbl WHERE lp_view_id = ".$view_id." AND status IN ('passed','completed','succeeded')";
  1751. // Trying as also counting browsed and failed items.
  1752. $sql = "SELECT count(distinct(lp_item_id))
  1753. FROM $tbl_item_view as item_view
  1754. INNER JOIN $tbl_item as item
  1755. ON item.id = item_view.lp_item_id
  1756. AND item_type NOT IN('dokeos_chapter','chapter','dir')
  1757. WHERE
  1758. item_view.c_id = $course_id AND
  1759. item.c_id = $course_id AND
  1760. lp_view_id = " . $view_id . " AND
  1761. status IN ('passed','completed','succeeded','browsed','failed')"; //echo '<br />';
  1762. $res = Database::query($sql);
  1763. $row = Database :: fetch_array($res);
  1764. $completed = $row[0];
  1765. if ($mode == 'abs') {
  1766. return $completed . '/' . $total;
  1767. } elseif ($mode == 'both') {
  1768. if ($progress < ($completed / ($total ? $total : 1))) {
  1769. $progress = number_format(($completed / ($total ? $total : 1)) * 100, 0);
  1770. }
  1771. return $progress . '% (' . $completed . '/' . $total . ')';
  1772. }
  1773. }
  1774. return $progress;
  1775. }
  1776. /**
  1777. * Returns the HTML necessary to print a mediaplayer block inside a page
  1778. * @return string The mediaplayer HTML
  1779. */
  1780. public function get_mediaplayer($autostart='true') {
  1781. $course_id = api_get_course_int_id();
  1782. global $_course;
  1783. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  1784. $tbl_lp_item_view = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
  1785. // Getting all the information about the item.
  1786. $sql = "SELECT * FROM " . $tbl_lp_item . " as lp INNER JOIN " . $tbl_lp_item_view . " as lp_view on lp.id = lp_view.lp_item_id " .
  1787. "WHERE lp.id = '" . $_SESSION['oLP']->current . "' AND
  1788. lp.c_id = $course_id AND
  1789. lp_view.c_id = $course_id";
  1790. $result = Database::query($sql);
  1791. $row = Database::fetch_assoc($result);
  1792. $output = '';
  1793. if (!empty ($row['audio'])) {
  1794. $list = $_SESSION['oLP']->get_toc();
  1795. $type_quiz = false;
  1796. foreach($list as $toc) {
  1797. if ($toc['id'] == $_SESSION['oLP']->current && ($toc['type']=='quiz') ) {
  1798. $type_quiz = true;
  1799. }
  1800. }
  1801. if ($type_quiz) {
  1802. if ($_SESSION['oLP']->prevent_reinit == 1) {
  1803. $row['status'] === 'completed' ? $autostart_audio = 'false' : $autostart_audio = 'true';
  1804. } else {
  1805. $autostart_audio = $autostart;
  1806. }
  1807. } else {
  1808. $autostart_audio = 'true';
  1809. }
  1810. // The mp3 player.
  1811. $output = '<div id="container">';
  1812. $output .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
  1813. $output .= '<script type="text/javascript">
  1814. var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
  1815. s1.addParam("allowscriptaccess","always");
  1816. s1.addParam("flashvars","file=' . api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/document/audio/' . $row['audio'] . '&autostart=' . $autostart_audio.'");
  1817. s1.write("container");
  1818. </script></div>';
  1819. }
  1820. return $output;
  1821. }
  1822. /**
  1823. * This function checks if the learnpath is visible for student after the progress of its prerequisite is completed, and considering time availability
  1824. * @param int Learnpath id
  1825. * @param int Student id
  1826. * @param string Course code (optional)
  1827. * @return bool True if
  1828. */
  1829. public function is_lp_visible_for_student($lp_id, $student_id, $course = null) {
  1830. $lp_id = (int)$lp_id;
  1831. $course = api_get_course_info($course);
  1832. $tbl_learnpath = Database :: get_course_table(TABLE_LP_MAIN);
  1833. // Get current prerequisite
  1834. $sql = "SELECT id, prerequisite, publicated_on, expired_on FROM $tbl_learnpath WHERE c_id = ".$course['real_id']." AND id = $lp_id";
  1835. $rs = Database::query($sql);
  1836. $now = time();
  1837. if (Database::num_rows($rs)>0) {
  1838. $row = Database::fetch_array($rs, 'ASSOC');
  1839. $prerequisite = $row['prerequisite'];
  1840. $is_visible = true;
  1841. $progress = 0;
  1842. if (!empty($prerequisite)) {
  1843. $progress = self::get_db_progress($prerequisite,$student_id,'%', '', false, api_get_session_id());
  1844. $progress = intval($progress);
  1845. if ($progress < 100) {
  1846. $is_visible = false;
  1847. }
  1848. }
  1849. // Also check the time availability of the LP
  1850. if ($is_visible) {
  1851. //Adding visibility reestrinctions
  1852. if (!empty($row['publicated_on']) && $row['publicated_on'] != '0000-00-00 00:00:00') {
  1853. if ($now < api_strtotime($row['publicated_on'], 'UTC')) {
  1854. //api_not_allowed();
  1855. $is_visible = false;
  1856. }
  1857. }
  1858. //Blocking empty start times see BT#2800
  1859. global $_custom;
  1860. if (isset($_custom['lps_hidden_when_no_start_date']) && $_custom['lps_hidden_when_no_start_date']) {
  1861. if (empty($row['publicated_on']) || $row['publicated_on'] == '0000-00-00 00:00:00') {
  1862. //api_not_allowed();
  1863. $is_visible = false;
  1864. }
  1865. }
  1866. if (!empty($row['expired_on']) && $row['expired_on'] != '0000-00-00 00:00:00') {
  1867. if ($now > api_strtotime($row['expired_on'], 'UTC')) {
  1868. //api_not_allowed();
  1869. $is_visible = false;
  1870. }
  1871. }
  1872. }
  1873. return $is_visible;
  1874. }
  1875. return false;
  1876. }
  1877. /**
  1878. * Gets a progress bar for the learnpath by counting the number of items in it and the number of items
  1879. * completed so far.
  1880. * @param string Mode in which we want the values
  1881. * @param integer Progress value to display (optional but mandatory if used in abstract context)
  1882. * @param string Text to display near the progress value (optional but mandatory in abstract context)
  1883. * @param boolean true if it comes from a Diplay LP view
  1884. * @return string HTML string containing the progress bar
  1885. */
  1886. public function get_progress_bar($mode = '', $percentage = -1, $text_add = '', $from_lp = false) {
  1887. //if ($this->debug > 0) {error_log('New LP - In learnpath::get_progress_bar('.$mode.','.$percentage.','.$text_add.','.$from_lp.')', 0); }
  1888. global $lp_theme_css;
  1889. // Setting up the CSS path of the current style if exists.
  1890. if (!empty ($lp_theme_css)) {
  1891. $css_path = api_get_path(WEB_CODE_PATH) . 'css/' . $lp_theme_css . '/images/';
  1892. } else {
  1893. $css_path = '../img/';
  1894. }
  1895. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_progress_bar()', 0); }
  1896. if (isset($this) && is_object($this) && ($percentage == '-1' OR $text_add == '')) {
  1897. list($percentage, $text_add) = $this->get_progress_bar_text($mode);
  1898. }
  1899. $text = $percentage . $text_add;
  1900. // Default progress bar config
  1901. // times that will be greater or shorter
  1902. $factor = 1.2;
  1903. if ($from_lp)
  1904. $progress_height = '26';
  1905. else
  1906. $progress_height = '16';
  1907. $size = str_replace('%', '', $percentage);
  1908. $output ='<div>' .
  1909. '<img id="progress_img_limit_left" src="' . $css_path . 'bar_1.gif" width="1px" height="' . $progress_height . '">' .
  1910. '<img id="progress_img_full" src="' . $css_path . 'bar_1u.gif" width="' . $size * $factor . 'px" height="' . $progress_height . 'px" id="full_portion">' .
  1911. '<img id="progress_img_limit_middle" src="' . $css_path . 'bar_1m.gif" width="1px" height="' . $progress_height . '">';
  1912. if ($percentage <= 98) {
  1913. $output .= '<img id="progress_img_empty" src="' . $css_path . 'bar_1r.gif" width="' . (100 - $size) * $factor . 'px" height="' . $progress_height . 'px" id="empty_portion">';
  1914. } else {
  1915. //$output .= '<img id="progress_img_empty" src="' . $css_path . 'bar_1r.gif" width="0px" height="' . $progress_height . '" id="empty_portion">';
  1916. }
  1917. $output .= '<img id="progress_bar_img_limit_right" src="' . $css_path . 'bar_1.gif" width="1px" height="' . $progress_height . '"></div>' .
  1918. '<div class="progresstext" id="progress_text">' . $text . '</div>';
  1919. return $output;
  1920. }
  1921. /**
  1922. * Gets the progress bar info to display inside the progress bar. Also used by scorm_api.php
  1923. * @param string Mode of display (can be '%' or 'abs').abs means we display a number of completed elements per total elements
  1924. * @param integer Additional steps to fake as completed
  1925. * @return list Percentage or number and symbol (% or /xx)
  1926. */
  1927. public function get_progress_bar_text($mode = '', $add = 0) {
  1928. if ($this->debug > 0) {
  1929. error_log('New LP - In learnpath::get_progress_bar_text()', 0);
  1930. }
  1931. if (empty ($mode)) {
  1932. $mode = $this->progress_bar_mode;
  1933. }
  1934. $total_items = $this->get_total_items_count_without_chapters();
  1935. if ($this->debug > 2) {
  1936. error_log('New LP - Total items available in this learnpath: ' . $total_items, 0);
  1937. }
  1938. $i = $this->get_complete_items_count();
  1939. if ($this->debug > 2) {
  1940. error_log('New LP - Items completed so far: ' . $i, 0);
  1941. }
  1942. if ($add != 0) {
  1943. $i += $add;
  1944. if ($this->debug > 2) {
  1945. error_log('New LP - Items completed so far (+modifier): ' . $i, 0);
  1946. }
  1947. }
  1948. $text = '';
  1949. if ($i > $total_items) {
  1950. $i = $total_items;
  1951. }
  1952. if ($mode == '%') {
  1953. if ($total_items > 0) {
  1954. $percentage = ((float) $i / (float) $total_items) * 100;
  1955. } else {
  1956. $percentage = 0;
  1957. }
  1958. $percentage = number_format($percentage, 0);
  1959. $text = '%';
  1960. }
  1961. elseif ($mode == 'abs') {
  1962. $percentage = $i;
  1963. $text = '/' . $total_items;
  1964. }
  1965. return array (
  1966. $percentage,
  1967. $text
  1968. );
  1969. }
  1970. /**
  1971. * Gets the progress bar mode
  1972. * @return string The progress bar mode attribute
  1973. */
  1974. public function get_progress_bar_mode() {
  1975. if ($this->debug > 0) {
  1976. error_log('New LP - In learnpath::get_progress_bar_mode()', 0);
  1977. }
  1978. if (!empty ($this->progress_bar_mode)) {
  1979. return $this->progress_bar_mode;
  1980. } else {
  1981. return '%';
  1982. }
  1983. }
  1984. /**
  1985. * Gets the learnpath proximity (remote or local)
  1986. * @return string Learnpath proximity
  1987. */
  1988. public function get_proximity() {
  1989. if ($this->debug > 0) {
  1990. error_log('New LP - In learnpath::get_proximity()', 0);
  1991. }
  1992. if (!empty ($this->proximity)) {
  1993. return $this->proximity;
  1994. } else {
  1995. return '';
  1996. }
  1997. }
  1998. /**
  1999. * Gets the learnpath theme (remote or local)
  2000. * @return string Learnpath theme
  2001. */
  2002. public function get_theme() {
  2003. if ($this->debug > 0) {
  2004. error_log('New LP - In learnpath::get_theme()', 0);
  2005. }
  2006. if (!empty ($this->theme)) {
  2007. return $this->theme;
  2008. } else {
  2009. return '';
  2010. }
  2011. }
  2012. /**
  2013. * Gets the learnpath session id
  2014. * @return string Learnpath theme
  2015. */
  2016. public function get_lp_session_id() {
  2017. if ($this->debug > 0) {
  2018. error_log('New LP - In learnpath::get_lp_session_id()', 0);
  2019. }
  2020. if (!empty ($this->lp_session_id)) {
  2021. return $this->lp_session_id;
  2022. } else {
  2023. return 0;
  2024. }
  2025. }
  2026. /**
  2027. * Gets the learnpath image
  2028. * @return string Web URL of the LP image
  2029. */
  2030. public function get_preview_image() {
  2031. if ($this->debug > 0) {
  2032. error_log('New LP - In learnpath::get_preview_image()', 0);
  2033. }
  2034. if (!empty ($this->preview_image)) {
  2035. return $this->preview_image;
  2036. } else {
  2037. return '';
  2038. }
  2039. }
  2040. /**
  2041. * Gets the learnpath author
  2042. * @return string LP's author
  2043. */
  2044. public function get_author() {
  2045. if ($this->debug > 0) {
  2046. error_log('New LP - In learnpath::get_author()', 0);
  2047. }
  2048. if (!empty ($this->author)) {
  2049. return $this->author;
  2050. } else {
  2051. return '';
  2052. }
  2053. }
  2054. /**
  2055. * Gets the learnpath author
  2056. * @return string LP's author
  2057. */
  2058. public function get_hide_toc_frame() {
  2059. if ($this->debug > 0) {
  2060. error_log('New LP - In learnpath::get_author()', 0);
  2061. }
  2062. if (!empty ($this->hide_toc_frame)) {
  2063. return $this->hide_toc_frame;
  2064. } else {
  2065. return '';
  2066. }
  2067. }
  2068. /**
  2069. * Generate a new prerequisites string for a given item. If this item was a sco and
  2070. * its prerequisites were strings (instead of IDs), then transform those strings into
  2071. * IDs, knowing that SCORM IDs are kept in the "ref" field of the lp_item table.
  2072. * Prefix all item IDs that end-up in the prerequisites string by "ITEM_" to use the
  2073. * same rule as the scorm_export() method
  2074. * @param integer Item ID
  2075. * @return string Prerequisites string ready for the export as SCORM
  2076. */
  2077. public function get_scorm_prereq_string($item_id) {
  2078. if ($this->debug > 0) {
  2079. error_log('New LP - In learnpath::get_scorm_prereq_string()', 0);
  2080. }
  2081. if (!is_object($this->items[$item_id])) {
  2082. return false;
  2083. }
  2084. $oItem = $this->items[$item_id];
  2085. $prereq = $oItem->get_prereq_string();
  2086. if (empty ($prereq)) {
  2087. return '';
  2088. }
  2089. 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,
  2090. // then simply return it (with the ITEM_ prefix).
  2091. return 'ITEM_' . $prereq;
  2092. } else {
  2093. if (isset ($this->refs_list[$prereq])) {
  2094. // It's a simple string item from which the ID can be found in the refs list,
  2095. // so we can transform it directly to an ID for export.
  2096. return 'ITEM_' . $this->refs_list[$prereq];
  2097. } else {
  2098. // The last case, if it's a complex form, then find all the IDs (SCORM strings)
  2099. // and replace them, one by one, by the internal IDs (chamilo db)
  2100. // TODO: Modify the '*' replacement to replace the multiplier in front of it
  2101. // by a space as well.
  2102. $find = array (
  2103. '&',
  2104. '|',
  2105. '~',
  2106. '=',
  2107. '<>',
  2108. '{',
  2109. '}',
  2110. '*',
  2111. '(',
  2112. ')'
  2113. );
  2114. $replace = array (
  2115. ' ',
  2116. ' ',
  2117. ' ',
  2118. ' ',
  2119. ' ',
  2120. ' ',
  2121. ' ',
  2122. ' ',
  2123. ' ',
  2124. ' '
  2125. );
  2126. $prereq_mod = str_replace($find, $replace, $prereq);
  2127. $ids = split(' ', $prereq_mod);
  2128. foreach ($ids as $id) {
  2129. $id = trim($id);
  2130. if (isset ($this->refs_list[$id])) {
  2131. $prereq = preg_replace('/[^a-zA-Z_0-9](' . $id . ')[^a-zA-Z_0-9]/', 'ITEM_' . $this->refs_list[$id], $prereq);
  2132. }
  2133. }
  2134. error_log('New LP - In learnpath::get_scorm_prereq_string(): returning modified string: ' . $prereq, 0);
  2135. return $prereq;
  2136. }
  2137. }
  2138. }
  2139. /**
  2140. * Returns the XML DOM document's node
  2141. * @param resource Reference to a list of objects to search for the given ITEM_*
  2142. * @param string The identifier to look for
  2143. * @return mixed The reference to the element found with that identifier. False if not found
  2144. */
  2145. public function get_scorm_xml_node(& $children, $id) {
  2146. for ($i = 0; $i < $children->length; $i++) {
  2147. $item_temp = $children->item($i);
  2148. if ($item_temp->nodeName == 'item') {
  2149. if ($item_temp->getAttribute('identifier') == $id) {
  2150. return $item_temp;
  2151. }
  2152. }
  2153. $subchildren = $item_temp->childNodes;
  2154. if ($subchildren->length > 0) {
  2155. $val = $this->get_scorm_xml_node($subchildren, $id);
  2156. if (is_object($val)) {
  2157. return $val;
  2158. }
  2159. }
  2160. }
  2161. return false;
  2162. }
  2163. /**
  2164. * Returns a usable array of stats related to the current learnpath and user
  2165. * @return array Well-formatted array containing status for the current learnpath
  2166. */
  2167. public function get_stats() {
  2168. if ($this->debug > 0) {
  2169. error_log('New LP - In learnpath::get_stats()', 0);
  2170. }
  2171. // TODO
  2172. }
  2173. /**
  2174. * Static method. Can be re-implemented by children. Gives an array of statistics for
  2175. * the given course (for all learnpaths and all users)
  2176. * @param string Course code
  2177. * @return array Well-formatted array containing status for the course's learnpaths
  2178. */
  2179. public function get_stats_course($course) {
  2180. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_course()', 0); }
  2181. // TODO
  2182. }
  2183. /**
  2184. * Static method. Can be re-implemented by children. Gives an array of statistics for
  2185. * the given course and learnpath (for all users)
  2186. * @param string Course code
  2187. * @param integer Learnpath ID
  2188. * @return array Well-formatted array containing status for the specified learnpath
  2189. */
  2190. public function get_stats_lp($course, $lp) {
  2191. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_lp()', 0); }
  2192. // TODO
  2193. }
  2194. /**
  2195. * Static method. Can be re-implemented by children. Gives an array of statistics for
  2196. * the given course, learnpath and user.
  2197. * @param string Course code
  2198. * @param integer Learnpath ID
  2199. * @param integer User ID
  2200. * @return array Well-formatted array containing status for the specified learnpath and user
  2201. */
  2202. public function get_stats_lp_user($course, $lp, $user) {
  2203. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_lp_user()', 0); }
  2204. // TODO
  2205. }
  2206. /**
  2207. * Static method. Can be re-implemented by children. Gives an array of statistics for
  2208. * the given course and learnpath (for all users)
  2209. * @param string Course code
  2210. * @param integer User ID
  2211. * @return array Well-formatted array containing status for the user's learnpaths
  2212. */
  2213. public function get_stats_user($course, $user) {
  2214. //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_user()', 0); }
  2215. // TODO
  2216. }
  2217. /**
  2218. * Gets the status list for all LP's items
  2219. * @return array Array of [index] => [item ID => current status]
  2220. */
  2221. public function get_items_status_list() {
  2222. if ($this->debug > 0) {
  2223. error_log('New LP - In learnpath::get_items_status_list()', 0);
  2224. }
  2225. $list = array ();
  2226. foreach ($this->ordered_items as $item_id) {
  2227. $list[] = array (
  2228. $item_id => $this->items[$item_id]->get_status()
  2229. );
  2230. }
  2231. return $list;
  2232. }
  2233. /**
  2234. * Return the number of interactions for the given learnpath Item View ID.
  2235. * This method can be used as static.
  2236. * @param integer Item View ID
  2237. * @param integer course id
  2238. * @return integer Number of interactions
  2239. */
  2240. public function get_interactions_count_from_db($lp_iv_id, $course_id) {
  2241. $table = Database :: get_course_table(TABLE_LP_IV_INTERACTION);
  2242. $lp_iv_id = intval($lp_iv_id);
  2243. $course_id = intval($course_id);
  2244. $sql = "SELECT count(*) FROM $table WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id";
  2245. $res = Database::query($sql);
  2246. $res = 0;
  2247. if (Database::num_rows($res)) {
  2248. $row = Database::fetch_array($res);
  2249. $num = $row[0];
  2250. }
  2251. return $num;
  2252. }
  2253. /**
  2254. * Return the interactions as an array for the given lp_iv_id.
  2255. * This method can be used as static.
  2256. * @param integer Learnpath Item View ID
  2257. * @return array
  2258. * @todo Transcode labels instead of switching to HTML (which requires to know the encoding of the LP)
  2259. */
  2260. public function get_iv_interactions_array($lp_iv_id = 0) {
  2261. $course_id = api_get_course_int_id();
  2262. $list = array ();
  2263. $table = Database :: get_course_table(TABLE_LP_IV_INTERACTION);
  2264. $sql = "SELECT * FROM $table WHERE c_id = ".$course_id." AND lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
  2265. $res = Database::query($sql);
  2266. $num = Database :: num_rows($res);
  2267. if ($num > 0) {
  2268. $list[] = array (
  2269. 'order_id' => api_htmlentities(get_lang('Order'), ENT_QUOTES),
  2270. 'id' => api_htmlentities(get_lang('InteractionID'), ENT_QUOTES),
  2271. 'type' => api_htmlentities(get_lang('Type'), ENT_QUOTES),
  2272. 'time' => api_htmlentities(get_lang('TimeFinished'), ENT_QUOTES),
  2273. 'correct_responses' => api_htmlentities(get_lang('CorrectAnswers'), ENT_QUOTES),
  2274. 'student_response' => api_htmlentities(get_lang('StudentResponse'), ENT_QUOTES),
  2275. 'result' => api_htmlentities(get_lang('Result'), ENT_QUOTES),
  2276. 'latency' => api_htmlentities(get_lang('LatencyTimeSpent'), ENT_QUOTES)
  2277. );
  2278. while ($row = Database :: fetch_array($res)) {
  2279. $list[] = array (
  2280. 'order_id' => ($row['order_id'] + 1),
  2281. 'id' => urldecode($row['interaction_id']), //urldecode because they often have %2F or stuff like that
  2282. 'type' => $row['interaction_type'],
  2283. 'time' => $row['completion_time'],
  2284. //'correct_responses' => $row['correct_responses'],
  2285. 'correct_responses' => '', // Hide correct responses from students.
  2286. 'student_response' => $row['student_response'],
  2287. 'result' => $row['result'],
  2288. 'latency' => $row['latency']
  2289. );
  2290. }
  2291. }
  2292. return $list;
  2293. }
  2294. /**
  2295. * Return the number of objectives for the given learnpath Item View ID.
  2296. * This method can be used as static.
  2297. * @param integer Item View ID
  2298. * @return integer Number of objectives
  2299. */
  2300. public function get_objectives_count_from_db($lp_iv_id, $course_id) {
  2301. $table = Database :: get_course_table(TABLE_LP_IV_OBJECTIVE);
  2302. $course_id = intval($course_id);
  2303. $lp_iv_id = intval($lp_iv_id);
  2304. $sql = "SELECT count(*) FROM $table WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id";
  2305. $res = Database::query($sql);
  2306. $res = 0;
  2307. if (Database::num_rows($res)) {
  2308. $row = Database :: fetch_array($res);
  2309. $num = $row[0];
  2310. }
  2311. return $num;
  2312. }
  2313. /**
  2314. * Return the objectives as an array for the given lp_iv_id.
  2315. * This method can be used as static.
  2316. * @param integer Learnpath Item View ID
  2317. * @return array
  2318. * @todo Translate labels
  2319. */
  2320. public function get_iv_objectives_array($lp_iv_id = 0) {
  2321. $course_id = api_get_course_int_id();
  2322. $list = array();
  2323. $table = Database :: get_course_table(TABLE_LP_IV_OBJECTIVE);
  2324. $sql = "SELECT * FROM $table WHERE c_id = ".$course_id." AND lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
  2325. $res = Database::query($sql);
  2326. $num = Database :: num_rows($res);
  2327. if ($num > 0) {
  2328. $list[] = array (
  2329. 'order_id' => api_htmlentities(get_lang('Order'), ENT_QUOTES),
  2330. 'objective_id' => api_htmlentities(get_lang('ObjectiveID'), ENT_QUOTES),
  2331. 'score_raw' => api_htmlentities(get_lang('ObjectiveRawScore'), ENT_QUOTES),
  2332. 'score_max' => api_htmlentities(get_lang('ObjectiveMaxScore'), ENT_QUOTES),
  2333. 'score_min' => api_htmlentities(get_lang('ObjectiveMinScore'), ENT_QUOTES),
  2334. 'status' => api_htmlentities(get_lang('ObjectiveStatus'), ENT_QUOTES)
  2335. );
  2336. while ($row = Database :: fetch_array($res)) {
  2337. $list[] = array (
  2338. 'order_id' => ($row['order_id'] + 1),
  2339. 'objective_id' => urldecode($row['objective_id']), // urldecode() because they often have %2F or stuff like that.
  2340. 'score_raw' => $row['score_raw'],
  2341. 'score_max' => $row['score_max'],
  2342. 'score_min' => $row['score_min'],
  2343. 'status' => $row['status']
  2344. );
  2345. }
  2346. }
  2347. return $list;
  2348. }
  2349. /**
  2350. * Generate and return the table of contents for this learnpath. The (flat) table returned can be
  2351. * used by get_html_toc() to be ready to display
  2352. * @return array TOC as a table with 4 elements per row: title, link, status and level
  2353. */
  2354. public function get_toc() {
  2355. if ($this->debug > 0) {
  2356. error_log('New LP - In learnpath::get_toc()', 0);
  2357. }
  2358. $toc = array ();
  2359. //echo "<pre>".print_r($this->items,true)."</pre>";
  2360. foreach ($this->ordered_items as $item_id) {
  2361. if ($this->debug > 2) {
  2362. error_log('New LP - learnpath::get_toc(): getting info for item ' . $item_id, 0);
  2363. }
  2364. // TODO: Change this link generation and use new function instead.
  2365. $toc[] = array (
  2366. 'id' => $item_id,
  2367. 'title' => $this->items[$item_id]->get_title(),
  2368. //'link' => get_addedresource_link_in_learnpath('document', $item_id, 1),
  2369. 'status' => $this->items[$item_id]->get_status(),
  2370. 'level' => $this->items[$item_id]->get_level(),
  2371. 'type' => $this->items[$item_id]->get_type(),
  2372. 'description' => $this->items[$item_id]->get_description(),
  2373. 'path' => $this->items[$item_id]->get_path(),
  2374. );
  2375. }
  2376. if ($this->debug > 2) {
  2377. error_log('New LP - In learnpath::get_toc() - TOC array: ' . print_r($toc, true), 0);
  2378. }
  2379. return $toc;
  2380. }
  2381. /**
  2382. * Generate and return the table of contents for this learnpath. The JS
  2383. * table returned is used inside of scorm_api.php
  2384. * @return string A JS array vairiable construction
  2385. */
  2386. public function get_items_details_as_js($varname = 'olms.lms_item_types') {
  2387. if ($this->debug > 0) {
  2388. error_log('New LP - In learnpath::get_items_details_as_js()', 0);
  2389. }
  2390. $toc = $varname.' = new Array();';
  2391. //echo "<pre>".print_r($this->items,true)."</pre>";
  2392. foreach ($this->ordered_items as $item_id) {
  2393. if ($this->debug > 2) {
  2394. error_log('New LP - learnpath::get_items_details_as_js(): getting info for item ' . $item_id, 0);
  2395. }
  2396. $toc.= $varname."['i$item_id'] = '".$this->items[$item_id]->get_type()."';";
  2397. }
  2398. if ($this->debug > 2) {
  2399. error_log('New LP - In learnpath::get_items_details_as_js() - TOC array: ' . print_r($toc, true), 0);
  2400. }
  2401. return $toc;
  2402. }
  2403. /**
  2404. * Gets the learning path type
  2405. * @param boolean Return the name? If false, return the ID. Default is false.
  2406. * @return mixed Type ID or name, depending on the parameter
  2407. */
  2408. public function get_type($get_name = false) {
  2409. $res = false;
  2410. if ($this->debug > 0) {
  2411. error_log('New LP - In learnpath::get_type()', 0);
  2412. }
  2413. if (!empty ($this->type)) {
  2414. if ($get_name) {
  2415. // Get it from the lp_type table in main db.
  2416. } else {
  2417. $res = $this->type;
  2418. }
  2419. }
  2420. if ($this->debug > 2) {
  2421. error_log('New LP - In learnpath::get_type() - Returning ' . ($res ? $res : 'false'), 0);
  2422. }
  2423. return $res;
  2424. }
  2425. /**
  2426. * Gets the learning path type as static method
  2427. * @param boolean Return the name? If false, return the ID. Default is false.
  2428. * @return mixed Type ID or name, depending on the parameter
  2429. */
  2430. public function get_type_static($lp_id = 0) {
  2431. $course_id = api_get_course_int_id();
  2432. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  2433. $sql = "SELECT lp_type FROM $tbl_lp WHERE c_id = ".$course_id." AND id = '" . $lp_id . "'";
  2434. $res = Database::query($sql);
  2435. if ($res === false) {
  2436. return null;
  2437. }
  2438. if (Database :: num_rows($res) <= 0) {
  2439. return null;
  2440. }
  2441. $row = Database :: fetch_array($res);
  2442. return $row['lp_type'];
  2443. }
  2444. /**
  2445. * Gets a flat list of item IDs ordered for display (level by level ordered by order_display)
  2446. * This method can be used as abstract and is recursive
  2447. * @param integer Learnpath ID
  2448. * @param integer Parent ID of the items to look for
  2449. * @return mixed Ordered list of item IDs or false on error
  2450. */
  2451. public function get_flat_ordered_items_list($lp, $parent = 0, $course_id = null) {
  2452. if (empty($course_id)) {
  2453. $course_id = api_get_course_int_id();
  2454. } else {
  2455. $course_id = intval($course_id);
  2456. }
  2457. $list = array();
  2458. if (empty ($lp)) {
  2459. return false;
  2460. }
  2461. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  2462. $sql = "SELECT * FROM $tbl_lp_item WHERE c_id = $course_id AND lp_id = $lp AND parent_item_id = $parent ORDER BY display_order";
  2463. $res = Database::query($sql);
  2464. while ($row = Database :: fetch_array($res)) {
  2465. $sublist = learnpath :: get_flat_ordered_items_list($lp, $row['id'], $course_id);
  2466. $list[] = $row['id'];
  2467. foreach ($sublist as $item) {
  2468. $list[] = $item;
  2469. }
  2470. }
  2471. return $list;
  2472. }
  2473. /**
  2474. * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
  2475. * @return string HTML TOC ready to display
  2476. */
  2477. public function get_html_toc() {
  2478. $course_id = api_get_course_int_id();
  2479. $course_code = api_get_course_id();
  2480. $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
  2481. $charset = api_get_system_encoding();
  2482. $display_action_links_with_icons = false;
  2483. if ($this->debug > 0) {
  2484. error_log('New LP - In learnpath::get_html_toc()', 0);
  2485. }
  2486. $list = $this->get_toc();
  2487. //echo $this->current;
  2488. //$parent = $this->items[$this->current]->get_parent();
  2489. //if (empty($parent)) { $parent = $this->ordered_items[$this->items[$this->current]->get_previous_index()]; }
  2490. $html = '<div id="scorm_title" class="scorm_title"><div class="scorm_title_text">' . Security::remove_XSS($this->get_name()) . '</div></div>';
  2491. // Build, display.
  2492. if ($is_allowed_to_edit) {
  2493. $gradebook = Security :: remove_XSS($_GET['gradebook']);
  2494. if ($this->get_lp_session_id() == api_get_session_id()) {
  2495. $html .= '<div id="actions_lp" class="actions_lp">';
  2496. if ($display_action_links_with_icons) {
  2497. $html .= '<div style = "text-align:center;">';
  2498. $html .= "<a href='lp_controller.php?" . api_get_cidreq() . "&amp;action=build&amp;lp_id=" . $this->lp_id . "' target='_parent'>" . Display :: return_icon('build_learnpath.png', get_lang('Build'),'',ICON_SIZE_MEDIUM)."</a>";
  2499. $html .= "<a href='lp_controller.php?" . api_get_cidreq() . "&amp;action=admin_view&amp;lp_id=" . $this->lp_id . "' target='_parent'>" . Display :: return_icon('move_learnpath.png', get_lang('BasicOverview'),'',ICON_SIZE_MEDIUM)."</a>";
  2500. $html .= '<span>' . Display :: return_icon('view_remove_na.png', get_lang('Display'),'',ICON_SIZE_MEDIUM).'</span><br />';
  2501. $html .= '<a href="lp_controller.php?' . api_get_cidreq() . '">'. get_lang('ReturnToLPList') . '</a>';
  2502. $html .= '</div>';
  2503. } else {
  2504. $html .= '<div style = "text-align:center;">';
  2505. $html .= "<a href='lp_controller.php?" . api_get_cidreq() . "&amp;gradebook=$gradebook&amp;action=build&amp;lp_id=" . $this->lp_id . "' target='_parent'>" . get_lang('Build') . "</a>";
  2506. $html .= "<a href='lp_controller.php?" . api_get_cidreq() . "&amp;action=admin_view&amp;lp_id=" . $this->lp_id . "' target='_parent'>" . get_lang('BasicOverview') . "</a>";
  2507. $html .= '<span><b>' . get_lang('Display') . '</b></span><br />';
  2508. $html .= '<a href="lp_controller.php?' . api_get_cidreq() . '">'. get_lang('ReturnToLPList') . '</a>';
  2509. $html .= '</div>';
  2510. }
  2511. $html .= '</div>';
  2512. }
  2513. }
  2514. $html .= '<div id="inner_lp_toc" class="inner_lp_toc">';
  2515. require_once 'resourcelinker.inc.php';
  2516. // Temporary variables.
  2517. $mycurrentitemid = $this->get_current_item_id();
  2518. $color_counter = 0;
  2519. $i = 0;
  2520. foreach ($list as $item) {
  2521. if ($this->debug > 2) {
  2522. error_log('New LP - learnpath::get_html_toc(): using item ' . $item['id'], 0);
  2523. }
  2524. // TODO: Complete this.
  2525. $icon_name = array (
  2526. 'not attempted' => '../img/notattempted.gif',
  2527. 'incomplete' => '../img/incomplete.png',
  2528. 'failed' => '../img/delete.png',
  2529. 'completed' => '../img/completed.png',
  2530. 'passed' => '../img/passed.png',
  2531. 'succeeded' => '../img/succeeded.png',
  2532. 'browsed' => '../img/completed.png',
  2533. );
  2534. $style = 'scorm_item';
  2535. $scorm_color_background = 'scorm_item';
  2536. $style_item = 'scorm_item';
  2537. $current = false;
  2538. if ($item['id'] == $this->current) {
  2539. $style = 'scorm_item_highlight';
  2540. $scorm_color_background = 'scorm_item_highlight';
  2541. } else {
  2542. if ($color_counter % 2 == 0) {
  2543. $scorm_color_background = 'scorm_item_1';
  2544. } else {
  2545. $scorm_color_background = 'scorm_item_2';
  2546. }
  2547. if ($item['type'] == 'dokeos_module' || $item['type'] == 'dokeos_chapter') {
  2548. $scorm_color_background =' scorm_item_section ';
  2549. }
  2550. }
  2551. if ($scorm_color_background != '') {
  2552. $html .= '<div id="toc_' . $item['id'] . '" class="' . $scorm_color_background . '">';
  2553. }
  2554. // The anchor will let us center the TOC on the currently viewed item &^D
  2555. if ($item['type'] != 'dokeos_module' && $item['type'] != 'dokeos_chapter') {
  2556. $html .= '<div class="' . $style_item . '" style="padding-left: ' . ($item['level'] * 1.5) . 'em; padding-right:' . ($item['level'] / 2) . 'em" title="' . $item['description'] . '" >';
  2557. $html .= '<a name="atoc_' . $item['id'] . '" />';
  2558. } else {
  2559. $html .= '<div class="' . $style_item . '" style="padding-left: ' . ($item['level'] * 2) . 'em; padding-right:' . ($item['level'] * 1.5) . 'em" title="' . $item['description'] . '" >';
  2560. }
  2561. $title = $item['title'];
  2562. if (empty ($title)) {
  2563. $title = rl_get_resource_name(api_get_course_id(), $this->get_id(), $item['id']);
  2564. }
  2565. $title = Security::remove_XSS($title);
  2566. if ($item['type'] != 'dokeos_chapter' && $item['type'] != 'dir' && $item['type'] != 'dokeos_module') {
  2567. //$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>" ;
  2568. $url = $this->get_link('http', $item['id']);
  2569. //$html .= '<a href="'.$url.'" target="content_name" onClick="top.load_item('.$item['id'].',\''.$url.'\');">'.$title.'</a>' ;
  2570. //$html .= '<a href="" onClick="top.load_item('.$item['id'].',\''.$url.'\');return false;">'.$title.'</a>' ;
  2571. //<img align="absbottom" width="13" height="13" src="../img/lp_document.png">&nbsp;background:#aaa;
  2572. $html .= '<a href="" onClick="switch_item(' .$mycurrentitemid . ',' .$item['id'] . ');' .'return false;" >' . stripslashes($title) . '</a>';
  2573. } elseif ($item['type'] == 'dokeos_module' || $item['type'] == 'dokeos_chapter') {
  2574. $html .= "<img align='absbottom' width='13' height='13' src='../img/lp_dokeos_module.png'>&nbsp;" . stripslashes($title);
  2575. } elseif ($item['type'] == 'dir') {
  2576. $html .= stripslashes($title);
  2577. }
  2578. $tbl_track_e_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
  2579. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  2580. $user_id = api_get_user_id();
  2581. $sql = "SELECT path FROM $tbl_track_e_exercises, $tbl_lp_item
  2582. WHERE c_id = $course_id AND
  2583. path = '" . $item['path'] . "' AND
  2584. exe_user_id = '$user_id' AND
  2585. exe_cours_id = '$course_code' AND
  2586. path = exe_exo_id AND
  2587. status <> 'incomplete'";
  2588. $result = Database::query($sql);
  2589. $count = Database :: num_rows($result);
  2590. if ($item['type'] == 'quiz') {
  2591. if ($item['status'] == 'completed') {
  2592. $html .= "&nbsp;<img id='toc_img_" . $item['id'] . "' src='" . $icon_name[$item['status']] . "' alt='" . substr($item['status'], 0, 1) . "' width='14' />";
  2593. }
  2594. } else {
  2595. if ($item['type'] != 'dokeos_chapter' && $item['type'] != 'dokeos_module' && $item['type'] != 'dir') {
  2596. $html .= "&nbsp;<img id='toc_img_" . $item['id'] . "' src='" . $icon_name[$item['status']] . "' alt='" . substr($item['status'], 0, 1) . "' width='14' />";
  2597. }
  2598. }
  2599. $html .= "</div>";
  2600. if ($scorm_color_background != '') {
  2601. $html .= '</div>';
  2602. }
  2603. $color_counter++;
  2604. }
  2605. $html .= "</div>";
  2606. return $html;
  2607. }
  2608. /**
  2609. * Gets the learnpath maker name - generally the editor's name
  2610. * @return string Learnpath maker name
  2611. */
  2612. public function get_maker() {
  2613. if ($this->debug > 0) {
  2614. error_log('New LP - In learnpath::get_maker()', 0);
  2615. }
  2616. if (!empty ($this->maker)) {
  2617. return $this->maker;
  2618. } else {
  2619. return '';
  2620. }
  2621. }
  2622. /**
  2623. * Gets the user-friendly message stored in $this->message
  2624. * @return string Message
  2625. */
  2626. public function get_message() {
  2627. if ($this->debug > 0) {
  2628. error_log('New LP - In learnpath::get_message()', 0);
  2629. }
  2630. return $this->message;
  2631. }
  2632. /**
  2633. * Gets the learnpath name/title
  2634. * @return string Learnpath name/title
  2635. */
  2636. public function get_name() {
  2637. if ($this->debug > 0) {
  2638. error_log('New LP - In learnpath::get_name()', 0);
  2639. }
  2640. if (!empty ($this->name)) {
  2641. return $this->name;
  2642. } else {
  2643. return 'N/A';
  2644. }
  2645. }
  2646. /**
  2647. * Gets a link to the resource from the present location, depending on item ID.
  2648. * @param string Type of link expected
  2649. * @param integer Learnpath item ID
  2650. * @return string Link to the lp_item resource
  2651. */
  2652. public function get_link($type = 'http', $item_id = null) {
  2653. $course_id = api_get_course_int_id();
  2654. if ($this->debug > 0) {
  2655. error_log('New LP - In learnpath::get_link(' . $type . ',' . $item_id . ')', 0);
  2656. }
  2657. if (empty($item_id)) {
  2658. if ($this->debug > 2) {
  2659. error_log('New LP - In learnpath::get_link() - no item id given in learnpath::get_link(), using current: ' . $this->get_current_item_id(), 0);
  2660. }
  2661. $item_id = $this->get_current_item_id();
  2662. }
  2663. if (empty ($item_id)) {
  2664. if ($this->debug > 2) {
  2665. error_log('New LP - In learnpath::get_link() - no current item id found in learnpath object', 0);
  2666. }
  2667. //still empty, this means there was no item_id given and we are not in an object context or
  2668. //the object property is empty, return empty link
  2669. $item_id = $this->first();
  2670. return '';
  2671. }
  2672. $file = '';
  2673. $lp_table = Database::get_course_table(TABLE_LP_MAIN);
  2674. $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
  2675. $lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
  2676. $item_id = Database::escape_string($item_id);
  2677. $sel = "SELECT l.lp_type as ltype, l.path as lpath, li.item_type as litype, li.path as lipath, li.parameters as liparams
  2678. FROM $lp_table l, $lp_item_table li
  2679. WHERE l.c_id = $course_id AND
  2680. li.c_id = $course_id AND
  2681. li.id = $item_id AND
  2682. li.lp_id = l.id";
  2683. if ($this->debug > 2) {
  2684. error_log('New LP - In learnpath::get_link() - selecting item ' . $sel, 0);
  2685. }
  2686. $res = Database::query($sel);
  2687. if (Database :: num_rows($res) > 0) {
  2688. $row = Database :: fetch_array($res);
  2689. $lp_type = $row['ltype'];
  2690. $lp_path = $row['lpath'];
  2691. $lp_item_type = $row['litype'];
  2692. $lp_item_path = $row['lipath'];
  2693. $lp_item_params = $row['liparams'];
  2694. if (empty ($lp_item_params) && strpos($lp_item_path, '?') !== false) {
  2695. list ($lp_item_path, $lp_item_params) = explode('?', $lp_item_path);
  2696. }
  2697. //$lp_item_params = '?'.$lp_item_params;
  2698. //add ? if none - left commented to give freedom to scorm implementation
  2699. //if(substr($lp_item_params,0,1)!='?'){
  2700. // $lp_item_params = '?'.$lp_item_params;
  2701. //}
  2702. $sys_course_path = api_get_path(SYS_COURSE_PATH) . api_get_course_path();
  2703. if ($type == 'http') {
  2704. $course_path = api_get_path(WEB_COURSE_PATH) . api_get_course_path(); //web path
  2705. } else {
  2706. $course_path = $sys_course_path; //system path
  2707. }
  2708. // Fixed issue BT#1272 - If the item type is a Chamilo Item (quiz, link, etc), then change the lp type to thread it as a normal Chamilo LP not a SCO.
  2709. if (in_array($lp_item_type, array('quiz', 'document', 'link', 'forum', 'thread', 'student_publication'))) {
  2710. $lp_type = 1;
  2711. }
  2712. // Now go through the specific cases to get the end of the path.
  2713. // @todo Use constants instead of int values.
  2714. switch ($lp_type) {
  2715. case 1 :
  2716. if ($lp_item_type == 'dokeos_chapter') {
  2717. $file = 'lp_content.php?type=dir';
  2718. } else {
  2719. require_once 'resourcelinker.inc.php';
  2720. $file = rl_get_resource_link_for_learnpath(api_get_course_id(), $this->get_id(), $item_id);
  2721. if ($lp_item_type == 'link') {
  2722. require_once api_get_path(LIBRARY_PATH).'link.lib.php';
  2723. if (is_youtube_link($file)) {
  2724. $src = get_youtube_video_id($file);
  2725. $file = 'embed.php?type=youtube&src='.$src;
  2726. }
  2727. } else {
  2728. // check how much attempts of a exercise exits in lp
  2729. $lp_item_id = $this->get_current_item_id();
  2730. $lp_view_id = $this->get_view_id();
  2731. $prevent_reinit = $this->items[$this->current]->get_prevent_reinit();
  2732. $list = $this->get_toc();
  2733. $type_quiz = false;
  2734. foreach ($list as $toc) {
  2735. if ($toc['id'] == $lp_item_id && ($toc['type'] == 'quiz')) {
  2736. $type_quiz = true;
  2737. }
  2738. }
  2739. if ($type_quiz) {
  2740. $lp_item_id = Database :: escape_string($lp_item_id);
  2741. $lp_view_id = Database :: escape_string($lp_view_id);
  2742. $sql = "SELECT count(*) FROM $lp_item_view_table
  2743. WHERE c_id = $course_id AND lp_item_id='" . (int) $lp_item_id . "' AND lp_view_id ='" . (int) $lp_view_id . "' AND status='completed'";
  2744. $result = Database::query($sql);
  2745. $row_count = Database :: fetch_row($result);
  2746. $count_item_view = (int) $row_count[0];
  2747. $not_multiple_attempt = 0;
  2748. if ($prevent_reinit === 1 && $count_item_view > 0) {
  2749. $not_multiple_attempt = 1;
  2750. }
  2751. $file .= '&not_multiple_attempt=' . $not_multiple_attempt;
  2752. }
  2753. $tmp_array = explode('/', $file);
  2754. $document_name = $tmp_array[count($tmp_array) - 1];
  2755. if (strpos($document_name, '_DELETED_')) {
  2756. $file = 'blank.php?error=document_deleted';
  2757. }
  2758. }
  2759. }
  2760. break;
  2761. case 2 :
  2762. if ($this->debug > 2) {
  2763. error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Item type: ' . $lp_item_type, 0);
  2764. }
  2765. if ($lp_item_type != 'dir') {
  2766. // Quite complex here:
  2767. // We want to make sure 'http://' (and similar) links can
  2768. // be loaded as is (withouth the Chamilo path in front) but
  2769. // some contents use this form: resource.htm?resource=http://blablabla
  2770. // which means we have to find a protocol at the path's start, otherwise
  2771. // it should not be considered as an external URL.
  2772. //if ($this->prerequisites_match($item_id)) {
  2773. if (preg_match('#^[a-zA-Z]{2,5}://#', $lp_item_path) != 0) {
  2774. if ($this->debug > 2) {
  2775. error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Found match for protocol in ' . $lp_item_path, 0);
  2776. }
  2777. // Distant url, return as is.
  2778. $file = $lp_item_path;
  2779. } else {
  2780. if ($this->debug > 2) {
  2781. error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - No starting protocol in ' . $lp_item_path, 0);
  2782. }
  2783. // Prevent getting untranslatable urls.
  2784. $lp_item_path = preg_replace('/%2F/', '/', $lp_item_path);
  2785. $lp_item_path = preg_replace('/%3A/', ':', $lp_item_path);
  2786. // Prepare the path.
  2787. $file = $course_path . '/scorm/' . $lp_path . '/' . $lp_item_path;
  2788. // TODO: Fix this for urls with protocol header.
  2789. $file = str_replace('//', '/', $file);
  2790. $file = str_replace(':/', '://', $file);
  2791. if (substr($lp_path, -1) == '/') {
  2792. $lp_path = substr($lp_path, 0, -1);
  2793. }
  2794. if (!is_file(realpath($sys_course_path . '/scorm/' . $lp_path . '/' . $lp_item_path))) {
  2795. // if file not found.
  2796. $decoded = html_entity_decode($lp_item_path);
  2797. list ($decoded) = explode('?', $decoded);
  2798. if (!is_file(realpath($sys_course_path . '/scorm/' . $lp_path . '/' . $decoded))) {
  2799. require_once 'resourcelinker.inc.php';
  2800. $file = rl_get_resource_link_for_learnpath(api_get_course_id(), $this->get_id(), $item_id);
  2801. if (empty($file)) {
  2802. $file = 'blank.php?error=document_not_found';
  2803. } else {
  2804. $tmp_array = explode('/', $file);
  2805. $document_name = $tmp_array[count($tmp_array) - 1];
  2806. if (strpos($document_name, '_DELETED_')) {
  2807. $file = 'blank.php?error=document_deleted';
  2808. } else {
  2809. $file = 'blank.php?error=document_not_found';
  2810. }
  2811. }
  2812. } else {
  2813. $file = $course_path . '/scorm/' . $lp_path . '/' . $decoded;
  2814. }
  2815. }
  2816. }
  2817. //}else{
  2818. //prerequisites did not match
  2819. //$file = 'blank.php';
  2820. //}
  2821. // We want to use parameters if they were defined in the imsmanifest.
  2822. if ($file != 'blank.php') {
  2823. $file .= (strstr($file, '?') === false ? '?' : '') . $lp_item_params;
  2824. }
  2825. } else {
  2826. $file = 'lp_content.php?type=dir';
  2827. }
  2828. break;
  2829. case 3 :
  2830. if ($this->debug > 2) {
  2831. error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Item type: ' . $lp_item_type, 0);
  2832. }
  2833. // Formatting AICC HACP append URL.
  2834. $aicc_append = '?aicc_sid=' . urlencode(session_id()) . '&aicc_url=' . urlencode(api_get_path(WEB_CODE_PATH) . 'newscorm/aicc_hacp.php') . '&';
  2835. if ($lp_item_type != 'dir') {
  2836. // Quite complex here:
  2837. // We want to make sure 'http://' (and similar) links can
  2838. // be loaded as is (withouth the Chamilo path in front) but
  2839. // some contents use this form: resource.htm?resource=http://blablabla
  2840. // which means we have to find a protocol at the path's start, otherwise
  2841. // it should not be considered as an external URL.
  2842. if (preg_match('#^[a-zA-Z]{2,5}://#', $lp_item_path) != 0) {
  2843. if ($this->debug > 2) {
  2844. error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Found match for protocol in ' . $lp_item_path, 0);
  2845. }
  2846. // Distant url, return as is.
  2847. $file = $lp_item_path;
  2848. // Enabled and modified by Ivan Tcholakov, 16-OCT-2008.
  2849. /*
  2850. if (stristr($file,'<servername>') !== false) {
  2851. $file = str_replace('<servername>', $course_path.'/scorm/'.$lp_path.'/', $lp_item_path);
  2852. }
  2853. */
  2854. if (stripos($file, '<servername>') !== false) {
  2855. //$file = str_replace('<servername>',$course_path.'/scorm/'.$lp_path.'/',$lp_item_path);
  2856. $web_course_path = str_replace('https://', '', str_replace('http://', '', $course_path));
  2857. $file = str_replace('<servername>', $web_course_path . '/scorm/' . $lp_path, $lp_item_path);
  2858. }
  2859. //
  2860. $file .= $aicc_append;
  2861. } else {
  2862. if ($this->debug > 2) {
  2863. error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - No starting protocol in ' . $lp_item_path, 0);
  2864. }
  2865. // Prevent getting untranslatable urls.
  2866. $lp_item_path = preg_replace('/%2F/', '/', $lp_item_path);
  2867. $lp_item_path = preg_replace('/%3A/', ':', $lp_item_path);
  2868. // Prepare the path - lp_path might be unusable because it includes the "aicc" subdir name.
  2869. $file = $course_path . '/scorm/' . $lp_path . '/' . $lp_item_path;
  2870. // TODO: Fix this for urls with protocol header.
  2871. $file = str_replace('//', '/', $file);
  2872. $file = str_replace(':/', '://', $file);
  2873. $file .= $aicc_append;
  2874. }
  2875. } else {
  2876. $file = 'lp_content.php?type=dir';
  2877. }
  2878. break;
  2879. case 4 :
  2880. break;
  2881. default :
  2882. break;
  2883. }
  2884. }
  2885. if ($this->debug > 2) {
  2886. error_log('New LP - In learnpath::get_link() - returning "' . $file . '" from get_link', 0);
  2887. }
  2888. return $file;
  2889. }
  2890. /**
  2891. * Gets the latest usable view or generate a new one
  2892. * @param integer Optional attempt number. If none given, takes the highest from the lp_view table
  2893. * @return integer DB lp_view id
  2894. */
  2895. public function get_view($attempt_num = 0) {
  2896. if ($this->debug > 0) {
  2897. error_log('New LP - In learnpath::get_view()', 0);
  2898. }
  2899. $search = '';
  2900. // Use $attempt_num to enable multi-views management (disabled so far).
  2901. if ($attempt_num != 0 AND intval(strval($attempt_num)) == $attempt_num) {
  2902. $search = 'AND view_count = ' . $attempt_num;
  2903. }
  2904. // When missing $attempt_num, search for a unique lp_view record for this lp and user.
  2905. $lp_view_table = Database :: get_course_table(TABLE_LP_VIEW);
  2906. $course_id = api_get_course_int_id();
  2907. $sql = "SELECT id, view_count FROM $lp_view_table
  2908. WHERE c_id = ".$course_id." AND lp_id = " . $this->get_id() ." AND user_id = " . $this->get_user_id() . " " .$search .
  2909. " ORDER BY view_count DESC";
  2910. $res = Database::query($sql);
  2911. if (Database :: num_rows($res) > 0) {
  2912. $row = Database :: fetch_array($res);
  2913. $this->lp_view_id = $row['id'];
  2914. } else {
  2915. // There is no database record, create one.
  2916. $sql = "INSERT INTO $lp_view_table (c_id, lp_id,user_id,view_count) VALUES
  2917. ($course_id, " . $this->get_id() . "," . $this->get_user_id() . ",1)";
  2918. $res = Database::query($sql);
  2919. $id = Database :: insert_id();
  2920. $this->lp_view_id = $id;
  2921. }
  2922. return $this->lp_view_id;
  2923. }
  2924. /**
  2925. * Gets the current view id
  2926. * @return integer View ID (from lp_view)
  2927. */
  2928. public function get_view_id() {
  2929. if ($this->debug > 0) {
  2930. error_log('New LP - In learnpath::get_view_id()', 0);
  2931. }
  2932. if (!empty ($this->lp_view_id)) {
  2933. return $this->lp_view_id;
  2934. } else {
  2935. return 0;
  2936. }
  2937. }
  2938. /**
  2939. * Gets the update queue
  2940. * @return array Array containing IDs of items to be updated by JavaScript
  2941. */
  2942. public function get_update_queue() {
  2943. if ($this->debug > 0) {
  2944. error_log('New LP - In learnpath::get_update_queue()', 0);
  2945. }
  2946. return $this->update_queue;
  2947. }
  2948. /**
  2949. * Gets the user ID
  2950. * @return integer User ID
  2951. */
  2952. public function get_user_id() {
  2953. if ($this->debug > 0) {
  2954. error_log('New LP - In learnpath::get_user_id()', 0);
  2955. }
  2956. if (!empty ($this->user_id)) {
  2957. return $this->user_id;
  2958. } else {
  2959. return false;
  2960. }
  2961. }
  2962. /**
  2963. * Checks if any of the items has an audio element attached
  2964. * @return bool True or false
  2965. */
  2966. public function has_audio() {
  2967. if ($this->debug > 1) {
  2968. error_log('New LP - In learnpath::has_audio()', 0);
  2969. }
  2970. $has = false;
  2971. foreach ($this->items as $i => $item) {
  2972. if (!empty ($this->items[$i]->audio)) {
  2973. $has = true;
  2974. break;
  2975. }
  2976. }
  2977. return $has;
  2978. }
  2979. /**
  2980. * Logs a message into a file
  2981. * @param string Message to log
  2982. * @return boolean True on success, false on error or if msg empty
  2983. */
  2984. public function log($msg) {
  2985. if ($this->debug > 0) {
  2986. error_log('New LP - In learnpath::log()', 0);
  2987. }
  2988. // TODO
  2989. $this->error .= $msg;
  2990. return true;
  2991. }
  2992. /**
  2993. * Moves an item up and down at its level
  2994. * @param integer Item to move up and down
  2995. * @param string Direction 'up' or 'down'
  2996. * @return integer New display order, or false on error
  2997. */
  2998. public function move_item($id, $direction) {
  2999. $course_id = api_get_course_int_id();
  3000. if ($this->debug > 0) {
  3001. error_log('New LP - In learnpath::move_item(' . $id . ',' . $direction . ')', 0);
  3002. }
  3003. if (empty ($id) or empty ($direction)) {
  3004. return false;
  3005. }
  3006. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  3007. $sql_sel = "SELECT *
  3008. FROM " . $tbl_lp_item . "
  3009. WHERE c_id = ".$course_id." AND id = " . $id;
  3010. $res_sel = Database::query($sql_sel);
  3011. // Check if elem exists.
  3012. if (Database :: num_rows($res_sel) < 1) {
  3013. return false;
  3014. }
  3015. // Gather data.
  3016. $row = Database :: fetch_array($res_sel);
  3017. $previous = $row['previous_item_id'];
  3018. $next = $row['next_item_id'];
  3019. $display = $row['display_order'];
  3020. $parent = $row['parent_item_id'];
  3021. $lp = $row['lp_id'];
  3022. // Update the item (switch with previous/next one).
  3023. switch ($direction) {
  3024. case 'up' :
  3025. if ($this->debug > 2) {
  3026. error_log('Movement up detected', 0);
  3027. }
  3028. if ($display <= 1) { /*do nothing*/
  3029. } else {
  3030. $sql_sel2 = "SELECT * FROM $tbl_lp_item
  3031. WHERE c_id = ".$course_id." AND id = $previous";
  3032. if ($this->debug > 2) {
  3033. error_log('Selecting previous: ' . $sql_sel2, 0);
  3034. }
  3035. $res_sel2 = Database::query($sql_sel2);
  3036. if (Database :: num_rows($res_sel2) < 1) {
  3037. $previous_previous = 0;
  3038. }
  3039. // Gather data.
  3040. $row2 = Database :: fetch_array($res_sel2);
  3041. $previous_previous = $row2['previous_item_id'];
  3042. // Update previous_previous item (switch "next" with current).
  3043. if ($previous_previous != 0) {
  3044. $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $id WHERE c_id = ".$course_id." AND id = $previous_previous";
  3045. if ($this->debug > 2) {
  3046. error_log($sql_upd2, 0);
  3047. }
  3048. $res_upd2 = Database::query($sql_upd2);
  3049. }
  3050. // Update previous item (switch with current).
  3051. if ($previous != 0) {
  3052. $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next, previous_item_id = $id, display_order = display_order +1
  3053. WHERE c_id = ".$course_id." AND id = $previous";
  3054. if ($this->debug > 2) {
  3055. error_log($sql_upd2, 0);
  3056. }
  3057. $res_upd2 = Database::query($sql_upd2);
  3058. }
  3059. // Update current item (switch with previous).
  3060. if ($id != 0) {
  3061. $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $previous, previous_item_id = $previous_previous, display_order = display_order-1
  3062. WHERE c_id = ".$course_id." AND id = $id";
  3063. if ($this->debug > 2) {
  3064. error_log($sql_upd2, 0);
  3065. }
  3066. $res_upd2 = Database::query($sql_upd2);
  3067. }
  3068. // Update next item (new previous item).
  3069. if ($next != 0) {
  3070. $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous
  3071. WHERE c_id = ".$course_id." AND id = $next";
  3072. if ($this->debug > 2) {
  3073. error_log($sql_upd2, 0);
  3074. }
  3075. $res_upd2 = Database::query($sql_upd2);
  3076. }
  3077. $display = $display -1;
  3078. }
  3079. break;
  3080. case 'down' :
  3081. if ($this->debug > 2) {
  3082. error_log('Movement down detected', 0);
  3083. }
  3084. if ($next == 0) { /* Do nothing. */
  3085. } else {
  3086. $sql_sel2 = "SELECT * FROM $tbl_lp_item WHERE c_id = ".$course_id." AND id = $next";
  3087. if ($this->debug > 2) {
  3088. error_log('Selecting next: ' . $sql_sel2, 0);
  3089. }
  3090. $res_sel2 = Database::query($sql_sel2);
  3091. if (Database :: num_rows($res_sel2) < 1) {
  3092. $next_next = 0;
  3093. }
  3094. // Gather data.
  3095. $row2 = Database :: fetch_array($res_sel2);
  3096. $next_next = $row2['next_item_id'];
  3097. // Update previous item (switch with current).
  3098. if ($previous != 0) {
  3099. $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next
  3100. WHERE c_id = ".$course_id." AND id = $previous";
  3101. $res_upd2 = Database::query($sql_upd2);
  3102. }
  3103. // Update current item (switch with previous).
  3104. if ($id != 0) {
  3105. $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $next, next_item_id = $next_next, display_order = display_order+1
  3106. WHERE c_id = ".$course_id." AND id = $id";
  3107. $res_upd2 = Database::query($sql_upd2);
  3108. }
  3109. // Update next item (new previous item).
  3110. if ($next != 0) {
  3111. $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous, next_item_id = $id, display_order = display_order-1
  3112. WHERE c_id = ".$course_id." AND id = $next";
  3113. $res_upd2 = Database::query($sql_upd2);
  3114. }
  3115. // Update next_next item (switch "previous" with current).
  3116. if ($next_next != 0) {
  3117. $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $id
  3118. WHERE c_id = ".$course_id." AND id = $next_next";
  3119. $res_upd2 = Database::query($sql_upd2);
  3120. }
  3121. $display = $display +1;
  3122. }
  3123. break;
  3124. default :
  3125. return false;
  3126. }
  3127. return $display;
  3128. }
  3129. /**
  3130. * Move a learnpath up (display_order)
  3131. * @param integer Learnpath ID
  3132. */
  3133. public function move_up($lp_id) {
  3134. $course_id = api_get_course_int_id();
  3135. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3136. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." ORDER BY display_order";
  3137. $res = Database::query($sql);
  3138. if ($res === false)
  3139. return false;
  3140. $lps = array ();
  3141. $lp_order = array ();
  3142. $num = Database :: num_rows($res);
  3143. // First check the order is correct, globally (might be wrong because
  3144. // of versions < 1.8.4)
  3145. if ($num > 0) {
  3146. $i = 1;
  3147. while ($row = Database :: fetch_array($res)) {
  3148. if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
  3149. $need_fix = true;
  3150. $sql_u = "UPDATE $lp_table SET display_order = $i WHERE c_id = ".$course_id." AND id = " . $row['id'];
  3151. $res_u = Database::query($sql_u);
  3152. }
  3153. $row['display_order'] = $i;
  3154. $lps[$row['id']] = $row;
  3155. $lp_order[$i] = $row['id'];
  3156. $i++;
  3157. }
  3158. }
  3159. if ($num > 1) { // If there's only one element, no need to sort.
  3160. $order = $lps[$lp_id]['display_order'];
  3161. if ($order > 1) { // If it's the first element, no need to move up.
  3162. $sql_u1 = "UPDATE $lp_table SET display_order = $order WHERE c_id = ".$course_id." AND id = " . $lp_order[$order - 1];
  3163. $res_u1 = Database::query($sql_u1);
  3164. $sql_u2 = "UPDATE $lp_table SET display_order = " . ($order - 1) . " WHERE c_id = ".$course_id." AND id = " . $lp_id;
  3165. $res_u2 = Database::query($sql_u2);
  3166. }
  3167. }
  3168. }
  3169. /**
  3170. * Move a learnpath down (display_order)
  3171. * @param integer Learnpath ID
  3172. */
  3173. public function move_down($lp_id) {
  3174. $course_id = api_get_course_int_id();
  3175. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3176. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." ORDER BY display_order";
  3177. $res = Database::query($sql);
  3178. if ($res === false)
  3179. return false;
  3180. $lps = array ();
  3181. $lp_order = array ();
  3182. $num = Database :: num_rows($res);
  3183. $max = 0;
  3184. // First check the order is correct, globally (might be wrong because
  3185. // of versions < 1.8.4).
  3186. if ($num > 0) {
  3187. $i = 1;
  3188. while ($row = Database :: fetch_array($res)) {
  3189. $max = $i;
  3190. if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
  3191. $need_fix = true;
  3192. $sql_u = "UPDATE $lp_table SET display_order = $i
  3193. WHERE c_id = ".$course_id." AND id = " . $row['id'];
  3194. $res_u = Database::query($sql_u);
  3195. }
  3196. $row['display_order'] = $i;
  3197. $lps[$row['id']] = $row;
  3198. $lp_order[$i] = $row['id'];
  3199. $i++;
  3200. }
  3201. }
  3202. if ($num > 1) { // If there's only one element, no need to sort.
  3203. $order = $lps[$lp_id]['display_order'];
  3204. if ($order < $max) { // If it's the first element, no need to move up.
  3205. $sql_u1 = "UPDATE $lp_table SET display_order = $order
  3206. WHERE c_id = ".$course_id." AND id = " . $lp_order[$order + 1];
  3207. $res_u1 = Database::query($sql_u1);
  3208. $sql_u2 = "UPDATE $lp_table SET display_order = " . ($order + 1) . "
  3209. WHERE c_id = ".$course_id." AND id = " . $lp_id;
  3210. $res_u2 = Database::query($sql_u2);
  3211. }
  3212. }
  3213. }
  3214. /**
  3215. * Updates learnpath attributes to point to the next element
  3216. * The last part is similar to set_current_item but processing the other way around
  3217. */
  3218. public function next() {
  3219. if ($this->debug > 0) {
  3220. error_log('New LP - In learnpath::next()', 0);
  3221. }
  3222. $this->last = $this->get_current_item_id();
  3223. $this->items[$this->last]->save(false, $this->prerequisites_match($this->last));
  3224. $this->autocomplete_parents($this->last);
  3225. $new_index = $this->get_next_index();
  3226. if ($this->debug > 2) {
  3227. error_log('New LP - New index: ' . $new_index, 0);
  3228. }
  3229. $this->index = $new_index;
  3230. if ($this->debug > 2) {
  3231. error_log('New LP - Now having orderedlist[' . $new_index . '] = ' . $this->ordered_items[$new_index], 0);
  3232. }
  3233. $this->current = $this->ordered_items[$new_index];
  3234. if ($this->debug > 2) {
  3235. error_log('New LP - new item id is ' . $this->current . '-' . $this->get_current_item_id(), 0);
  3236. }
  3237. }
  3238. /**
  3239. * Open a resource = initialise all local variables relative to this resource. Depending on the child
  3240. * class, this might be redefined to allow several behaviours depending on the document type.
  3241. * @param integer Resource ID
  3242. * @return boolean True on success, false otherwise
  3243. */
  3244. public function open($id) {
  3245. if ($this->debug > 0) {
  3246. error_log('New LP - In learnpath::open()', 0);
  3247. }
  3248. // TODO:
  3249. // set the current resource attribute to this resource
  3250. // switch on element type (redefine in child class?)
  3251. // set status for this item to "opened"
  3252. // start timer
  3253. // initialise score
  3254. $this->index = 0; //or = the last item seen (see $this->last)
  3255. }
  3256. /**
  3257. * Check that all prerequisites are fulfilled. Returns true and an empty string on succes, returns false
  3258. * and the prerequisite string on error.
  3259. * This function is based on the rules for aicc_script language as described in the SCORM 1.2 CAM documentation page 108.
  3260. * @param integer Optional item ID. If none given, uses the current open item.
  3261. * @return boolean True if prerequisites are matched, false otherwise - Empty string if true returned, prerequisites string otherwise.
  3262. */
  3263. public function prerequisites_match($item = null) {
  3264. if ($this->debug > 0) {
  3265. error_log('New LP - In learnpath::prerequisites_match()', 0);
  3266. }
  3267. if (empty ($item)) {
  3268. $item = $this->current;
  3269. }
  3270. if (is_object($this->items[$item])) {
  3271. $prereq_string = $this->items[$item]->get_prereq_string();
  3272. if (empty ($prereq_string)) {
  3273. return true;
  3274. }
  3275. // Clean spaces.
  3276. $prereq_string = str_replace(' ', '', $prereq_string);
  3277. if ($this->debug > 0) {
  3278. error_log('Found prereq_string: ' . $prereq_string, 0);
  3279. }
  3280. // Now send to the parse_prereq() function that will check this component's prerequisites.
  3281. $result = $this->items[$item]->parse_prereq($prereq_string, $this->items, $this->refs_list, $this->get_user_id());
  3282. if ($result === false) {
  3283. $this->set_error_msg($this->items[$item]->prereq_alert);
  3284. }
  3285. } else {
  3286. $result = true;
  3287. if ($this->debug > 1) {
  3288. error_log('New LP - $this->items[' . $item . '] was not an object', 0);
  3289. }
  3290. }
  3291. if ($this->debug > 1) {
  3292. error_log('New LP - End of prerequisites_match(). Error message is now ' . $this->error, 0);
  3293. }
  3294. return $result;
  3295. }
  3296. /**
  3297. * Updates learnpath attributes to point to the previous element
  3298. * The last part is similar to set_current_item but processing the other way around
  3299. */
  3300. public function previous() {
  3301. if ($this->debug > 0) {
  3302. error_log('New LP - In learnpath::previous()', 0);
  3303. }
  3304. $this->last = $this->get_current_item_id();
  3305. $this->items[$this->last]->save(false, $this->prerequisites_match($this->last));
  3306. $this->autocomplete_parents($this->last);
  3307. $new_index = $this->get_previous_index();
  3308. $this->index = $new_index;
  3309. $this->current = $this->ordered_items[$new_index];
  3310. }
  3311. /**
  3312. * Publishes a learnpath. This basically means show or hide the learnpath
  3313. * to normal users.
  3314. * Can be used as abstract
  3315. * @param integer Learnpath ID
  3316. * @param string New visibility
  3317. */
  3318. public function toggle_visibility($lp_id, $set_visibility = 1) {
  3319. //if ($this->debug > 0) { error_log('New LP - In learnpath::toggle_visibility()', 0); }
  3320. $action = 'visible';
  3321. if ($set_visibility != 1) {
  3322. $action = 'invisible';
  3323. }
  3324. return api_item_property_update(api_get_course_info(), TOOL_LEARNPATH, $lp_id, $action, api_get_user_id());
  3325. }
  3326. /**
  3327. * Publishes a learnpath. This basically means show or hide the learnpath
  3328. * on the course homepage
  3329. * Can be used as abstract
  3330. * @param integer Learnpath id
  3331. * @param string New visibility (v/s - visible/invisible)
  3332. */
  3333. public function toggle_publish($lp_id, $set_visibility = 'v') {
  3334. //if ($this->debug > 0) { error_log('New LP - In learnpath::toggle_publish()', 0); }
  3335. $course_id = api_get_course_int_id();
  3336. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  3337. $sql = "SELECT * FROM $tbl_lp where c_id = ".$course_id." AND id=$lp_id";
  3338. $result = Database::query($sql);
  3339. $row = Database :: fetch_array($result);
  3340. $name = domesticate($row['name']);
  3341. if ($set_visibility == 'i') {
  3342. $s = $name . " " . get_lang('_no_published');
  3343. $dialogBox = $s;
  3344. $v = 0;
  3345. }
  3346. if ($set_visibility == 'v') {
  3347. $s = $name . " " . get_lang('_published');
  3348. $dialogBox = $s;
  3349. $v = 1;
  3350. }
  3351. $session_id = api_get_session_id();
  3352. $session_condition = api_get_session_condition($session_id);
  3353. $tbl_tool = Database :: get_course_table(TABLE_TOOL_LIST);
  3354. $course_id = api_get_course_int_id();
  3355. $link = 'newscorm/lp_controller.php?action=view&lp_id=' . $lp_id.'&id_session='.$session_id;
  3356. $sql = "SELECT * FROM $tbl_tool WHERE c_id = ".$course_id." AND name='$name' and image='scormbuilder.gif' and link LIKE '$link%' $session_condition";
  3357. $result = Database::query($sql);
  3358. $num = Database :: num_rows($result);
  3359. $row2 = Database :: fetch_array($result);
  3360. //if ($this->debug > 2) { error_log('New LP - '.$sql.' - '.$num, 0); }
  3361. if (($set_visibility == 'i') && ($num > 0)) {
  3362. $sql = "DELETE FROM $tbl_tool WHERE c_id = ".$course_id." AND (name='$name' and image='scormbuilder.gif' and link LIKE '$link%' $session_condition)";
  3363. } elseif (($set_visibility == 'v') && ($num == 0)) {
  3364. $sql = "INSERT INTO $tbl_tool (c_id, name, link, image, visibility, admin, address, added_tool, session_id) VALUES
  3365. ($course_id, '$name','$link','scormbuilder.gif','$v','0','pastillegris.gif',0, $session_id)";
  3366. } else {
  3367. // Parameter and database incompatible, do nothing.
  3368. }
  3369. $result = Database::query($sql);
  3370. //if ($this->debug > 2) { error_log('New LP - Leaving learnpath::toggle_visibility: '.$sql, 0); }
  3371. }
  3372. /**
  3373. * Restart the whole learnpath. Return the URL of the first element.
  3374. * Make sure the results are saved with anoter method. This method should probably be
  3375. * redefined in children classes.
  3376. * To use a similar method statically, use the create_new_attempt() method
  3377. * @return string URL to load in the viewer
  3378. */
  3379. public function restart() {
  3380. if ($this->debug > 0) {
  3381. error_log('New LP - In learnpath::restart()', 0);
  3382. }
  3383. // TODO
  3384. // Call autosave method to save the current progress.
  3385. //$this->index = 0;
  3386. $session_id = api_get_session_id();
  3387. $course_id = api_get_course_int_id();
  3388. $lp_view_table = Database :: get_course_table(TABLE_LP_VIEW);
  3389. $sql = "INSERT INTO $lp_view_table (c_id, lp_id, user_id, view_count, session_id) " .
  3390. "VALUES ($course_id, " . $this->lp_id . "," . $this->get_user_id() . "," . ($this->attempt + 1) . ", $session_id)";
  3391. if ($this->debug > 2) {
  3392. error_log('New LP - Inserting new lp_view for restart: ' . $sql, 0);
  3393. }
  3394. $res = Database::query($sql);
  3395. if ($view_id = Database :: insert_id($res)) {
  3396. $this->lp_view_id = $view_id;
  3397. $this->attempt = $this->attempt + 1;
  3398. } else {
  3399. $this->error = 'Could not insert into item_view table...';
  3400. return false;
  3401. }
  3402. $this->autocomplete_parents($this->current);
  3403. foreach ($this->items as $index => $dummy) {
  3404. $this->items[$index]->restart();
  3405. $this->items[$index]->set_lp_view($this->lp_view_id);
  3406. }
  3407. $this->first();
  3408. return true;
  3409. }
  3410. /**
  3411. * Saves the current item
  3412. * @return boolean
  3413. */
  3414. public function save_current() {
  3415. if ($this->debug > 0) {
  3416. error_log('New LP - In learnpath::save_current()', 0);
  3417. }
  3418. // TODO: Do a better check on the index pointing to the right item (it is supposed to be working
  3419. // on $ordered_items[] but not sure it's always safe to use with $items[]).
  3420. if ($this->debug > 2) {
  3421. error_log('New LP - save_current() saving item ' . $this->current, 0);
  3422. }
  3423. if ($this->debug > 2) {
  3424. error_log('' . print_r($this->items, true), 0);
  3425. }
  3426. if (is_object($this->items[$this->current])) {
  3427. //$res = $this->items[$this->current]->save(false);
  3428. $res = $this->items[$this->current]->save(false, $this->prerequisites_match($this->current));
  3429. $this->autocomplete_parents($this->current);
  3430. $status = $this->items[$this->current]->get_status();
  3431. $this->append_message('new_item_status: ' . $status);
  3432. $this->update_queue[$this->current] = $status;
  3433. return $res;
  3434. }
  3435. return false;
  3436. }
  3437. /**
  3438. * Saves the given item
  3439. * @param integer Item ID. Optional (will take from $_REQUEST if null)
  3440. * @param boolean Save from url params (true) or from current attributes (false). Optional. Defaults to true
  3441. * @return boolean
  3442. */
  3443. public function save_item($item_id = null, $from_outside = true) {
  3444. $course_id = api_get_course_int_id();
  3445. if ($this->debug > 0) {
  3446. error_log('New LP - In learnpath::save_item(' . $item_id . ',' . $from_outside . ')', 0);
  3447. }
  3448. // TODO: Do a better check on the index pointing to the right item (it is supposed to be working
  3449. // on $ordered_items[] but not sure it's always safe to use with $items[]).
  3450. if (empty ($item_id)) {
  3451. $item_id = $this->escape_string($_REQUEST['id']);
  3452. }
  3453. if (empty ($item_id)) {
  3454. $item_id = $this->get_current_item_id();
  3455. }
  3456. if ($this->debug > 2) {
  3457. error_log('New LP - save_current() saving item ' . $item_id, 0);
  3458. }
  3459. if (is_object($this->items[$item_id])) {
  3460. $res = $this->items[$item_id]->save($from_outside, $this->prerequisites_match($item_id));
  3461. //$res = $this->items[$item_id]->save($from_outside);
  3462. $this->autocomplete_parents($item_id);
  3463. $status = $this->items[$item_id]->get_status();
  3464. $this->append_message('new_item_status: ' . $status);
  3465. $this->update_queue[$item_id] = $status;
  3466. return $res;
  3467. }
  3468. return false;
  3469. }
  3470. /**
  3471. * Saves the last item seen's ID only in case
  3472. */
  3473. public function save_last() {
  3474. $course_id = api_get_course_int_id();
  3475. if ($this->debug > 0) {
  3476. error_log('New LP - In learnpath::save_last()', 0);
  3477. }
  3478. $session_condition = api_get_session_condition(api_get_session_id(), true, false);
  3479. $table = Database :: get_course_table(TABLE_LP_VIEW);
  3480. if (isset ($this->current)) {
  3481. if ($this->debug > 2) {
  3482. error_log('New LP - Saving current item (' . $this->current . ') for later review', 0);
  3483. }
  3484. $sql = "UPDATE $table SET last_item = " . Database::escape_string($this->get_current_item_id()). " " .
  3485. "WHERE c_id = ".$course_id." AND lp_id = " . $this->get_id() . " AND user_id = " . $this->get_user_id().' '.$session_condition;
  3486. if ($this->debug > 2) {
  3487. error_log('New LP - Saving last item seen : ' . $sql, 0);
  3488. }
  3489. $res = Database::query($sql);
  3490. }
  3491. // Save progress.
  3492. list($progress, $text) = $this->get_progress_bar_text('%');
  3493. if ($progress >= 0 && $progress <= 100) {
  3494. $progress = (int) $progress;
  3495. $sql = "UPDATE $table SET progress = $progress " .
  3496. "WHERE c_id = ".$course_id." AND lp_id = " . $this->get_id() . " AND " .
  3497. "user_id = " . $this->get_user_id().' '.$session_condition;
  3498. $res = Database::query($sql); // Ignore errors as some tables might not have the progress field just yet.
  3499. $this->progress_db = $progress;
  3500. }
  3501. }
  3502. /**
  3503. * Sets the current item ID (checks if valid and authorized first)
  3504. * @param integer New item ID. If not given or not authorized, defaults to current
  3505. */
  3506. public function set_current_item($item_id = null) {
  3507. if ($this->debug > 0) {
  3508. error_log('New LP - In learnpath::set_current_item(' . $item_id . ')', 0);
  3509. }
  3510. if (empty ($item_id)) {
  3511. if ($this->debug > 2) {
  3512. error_log('New LP - No new current item given, ignore...', 0);
  3513. }
  3514. // Do nothing.
  3515. } else {
  3516. if ($this->debug > 2) {
  3517. error_log('New LP - New current item given is ' . $item_id . '...', 0);
  3518. }
  3519. if (is_numeric($item_id)) {
  3520. $item_id = $this->escape_string($item_id);
  3521. // TODO: Check in database here.
  3522. $this->last = $this->current;
  3523. $this->current = $item_id;
  3524. // TODO: Update $this->index as well.
  3525. foreach ($this->ordered_items as $index => $item) {
  3526. if ($item == $this->current) {
  3527. $this->index = $index;
  3528. break;
  3529. }
  3530. }
  3531. if ($this->debug > 2) {
  3532. error_log('New LP - set_current_item(' . $item_id . ') done. Index is now : ' . $this->index, 0);
  3533. }
  3534. } else {
  3535. error_log('New LP - set_current_item(' . $item_id . ') failed. Not a numeric value: ', 0);
  3536. }
  3537. }
  3538. }
  3539. /**
  3540. * Sets the encoding
  3541. * @param string New encoding
  3542. * TODO (as of Chamilo 1.8.8): Check in the future whether this method is needed.
  3543. */
  3544. public function set_encoding($enc = 'UTF-8') {
  3545. if ($this->debug > 0) {
  3546. error_log('New LP - In learnpath::set_encoding()', 0);
  3547. }
  3548. $course_id = api_get_course_int_id();
  3549. /* // Deprecated code (Chamilo 1.8.8).
  3550. $enc = strtoupper($enc);
  3551. $encodings = array (
  3552. 'UTF-8',
  3553. 'ISO-8859-1',
  3554. 'ISO-8859-15',
  3555. 'cp1251',
  3556. 'cp1252',
  3557. 'KOI8-R',
  3558. 'BIG5',
  3559. 'GB2312',
  3560. 'Shift_JIS',
  3561. 'EUC-JP',
  3562. ''
  3563. );
  3564. if (in_array($enc, $encodings)) { // TODO: Incorrect comparison, fix it.
  3565. $lp = $this->get_id();
  3566. if ($lp != 0) {
  3567. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  3568. $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE id = " . $lp;
  3569. $res = Database::query($sql);
  3570. return $res;
  3571. }
  3572. }
  3573. return false;
  3574. */
  3575. $enc = api_refine_encoding_id($enc);
  3576. if (empty($enc)) {
  3577. $enc = api_get_system_encoding();
  3578. }
  3579. if (api_is_encoding_supported($enc)) {
  3580. $lp = $this->get_id();
  3581. if ($lp != 0) {
  3582. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  3583. $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE c_id = ".$course_id." AND id = " . $lp;
  3584. $res = Database::query($sql);
  3585. return $res;
  3586. }
  3587. }
  3588. return false;
  3589. }
  3590. /**
  3591. * Sets the JS lib setting in the database directly.
  3592. * This is the JavaScript library file this lp needs to load on startup
  3593. * @param string Proximity setting
  3594. * @return boolean True on update success. False otherwise.
  3595. */
  3596. public function set_jslib($lib = '') {
  3597. if ($this->debug > 0) {
  3598. error_log('New LP - In learnpath::set_jslib()', 0);
  3599. }
  3600. $lp = $this->get_id();
  3601. $course_id = api_get_course_int_id();
  3602. if ($lp != 0) {
  3603. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  3604. $sql = "UPDATE $tbl_lp SET js_lib = '$lib' WHERE c_id = ".$course_id." AND id = " . $lp;
  3605. $res = Database::query($sql);
  3606. return $res;
  3607. } else {
  3608. return false;
  3609. }
  3610. }
  3611. /**
  3612. * Sets the name of the LP maker (publisher) (and save)
  3613. * @param string Optional string giving the new content_maker of this learnpath
  3614. * @return boolean True
  3615. */
  3616. public function set_maker($name = '') {
  3617. if ($this->debug > 0) {
  3618. error_log('New LP - In learnpath::set_maker()', 0);
  3619. }
  3620. if (empty ($name))
  3621. return false;
  3622. $this->maker = $this->escape_string($name);
  3623. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3624. $course_id = api_get_course_int_id();
  3625. $lp_id = $this->get_id();
  3626. $sql = "UPDATE $lp_table SET content_maker = '" . $this->maker . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3627. if ($this->debug > 2) {
  3628. error_log('New LP - lp updated with new content_maker : ' . $this->maker, 0);
  3629. }
  3630. $res = Database::query($sql);
  3631. return true;
  3632. }
  3633. /**
  3634. * Sets the name of the current learnpath (and save)
  3635. * @param string Optional string giving the new name of this learnpath
  3636. * @return boolean True/False
  3637. */
  3638. public function set_name($name = '') {
  3639. if ($this->debug > 0) {
  3640. error_log('New LP - In learnpath::set_name()', 0);
  3641. }
  3642. if (empty ($name))
  3643. return false;
  3644. $this->name = $this->escape_string($name);
  3645. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3646. $lp_id = $this->get_id();
  3647. $course_id = api_get_course_int_id();
  3648. $sql = "UPDATE $lp_table SET name = '" . $this->name . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3649. if ($this->debug > 2) {
  3650. error_log('New LP - lp updated with new name : ' . $this->name, 0);
  3651. }
  3652. $res = Database::query($sql);
  3653. // If the lp is visible on the homepage, change his name there.
  3654. if (Database::affected_rows()) {
  3655. $table = Database :: get_course_table(TABLE_TOOL_LIST);
  3656. $sql = 'UPDATE ' . $table . ' SET
  3657. name = "' . $this->name . '"
  3658. WHERE c_id = '.$course_id.' AND link = "newscorm/lp_controller.php?action=view&lp_id=' . $lp_id . '"';
  3659. Database::query($sql);
  3660. }
  3661. return true;
  3662. }
  3663. /**
  3664. * Set index specified prefix terms for all items in this path
  3665. * @param string Comma-separated list of terms
  3666. * @param char Xapian term prefix
  3667. * @return boolean False on error, true otherwise
  3668. */
  3669. public function set_terms_by_prefix($terms_string, $prefix) {
  3670. $course_id = api_get_course_int_id();
  3671. if (api_get_setting('search_enabled') !== 'true')
  3672. return false;
  3673. if (!extension_loaded('xapian')) {
  3674. return false;
  3675. }
  3676. $terms_string = trim($terms_string);
  3677. $terms = explode(',', $terms_string);
  3678. array_walk($terms, 'trim_value');
  3679. $stored_terms = $this->get_common_index_terms_by_prefix($prefix);
  3680. // Don't do anything if no change, verify only at DB, not the search engine.
  3681. if ((count(array_diff($terms, $stored_terms)) == 0) && (count(array_diff($stored_terms, $terms)) == 0))
  3682. return false;
  3683. require_once 'xapian.php'; // TODO: Try catch every xapian use or make wrappers on API.
  3684. require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php';
  3685. require_once api_get_path(LIBRARY_PATH).'search/xapian/XapianQuery.php';
  3686. require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
  3687. $items_table = Database :: get_course_table(TABLE_LP_ITEM);
  3688. // TODO: Make query secure agains XSS : use member attr instead of post var.
  3689. $lp_id = intval($_POST['lp_id']);
  3690. $sql = "SELECT * FROM $items_table WHERE c_id = $course_id AND lp_id = $lp_id";
  3691. $result = Database::query($sql);
  3692. $di = new DokeosIndexer();
  3693. while ($lp_item = Database :: fetch_array($result)) {
  3694. // Get search_did.
  3695. $tbl_se_ref = Database :: get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
  3696. $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';
  3697. $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp_id, $lp_item['id']);
  3698. //echo $sql; echo '<br>';
  3699. $res = Database::query($sql);
  3700. if (Database::num_rows($res) > 0) {
  3701. $se_ref = Database :: fetch_array($res);
  3702. // Compare terms.
  3703. $doc = $di->get_document($se_ref['search_did']);
  3704. $xapian_terms = xapian_get_doc_terms($doc, $prefix);
  3705. $xterms = array ();
  3706. foreach ($xapian_terms as $xapian_term) {
  3707. $xterms[] = substr($xapian_term['name'], 1);
  3708. }
  3709. $dterms = $terms;
  3710. $missing_terms = array_diff($dterms, $xterms);
  3711. $deprecated_terms = array_diff($xterms, $dterms);
  3712. // Save it to search engine.
  3713. foreach ($missing_terms as $term) {
  3714. $doc->add_term($prefix . $term, 1);
  3715. }
  3716. foreach ($deprecated_terms as $term) {
  3717. $doc->remove_term($prefix . $term);
  3718. }
  3719. $di->getDb()->replace_document((int) $se_ref['search_did'], $doc);
  3720. $di->getDb()->flush();
  3721. } else {
  3722. //@todo What we should do here?
  3723. }
  3724. }
  3725. return true;
  3726. }
  3727. /**
  3728. * Sets the theme of the LP (local/remote) (and save)
  3729. * @param string Optional string giving the new theme of this learnpath
  3730. * @return bool Returns true if theme name is not empty
  3731. */
  3732. public function set_theme($name = '') {
  3733. $course_id = api_get_course_int_id();
  3734. if ($this->debug > 0) {
  3735. error_log('New LP - In learnpath::set_theme()', 0);
  3736. }
  3737. $this->theme = $this->escape_string($name);
  3738. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3739. $lp_id = $this->get_id();
  3740. $sql = "UPDATE $lp_table SET theme = '" . $this->theme . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3741. if ($this->debug > 2) {
  3742. error_log('New LP - lp updated with new theme : ' . $this->theme, 0);
  3743. }
  3744. //$res = Database::query($sql);
  3745. $res = Database::query($sql);
  3746. return true;
  3747. }
  3748. /**
  3749. * Sets the image of an LP (and save)
  3750. * @param string Optional string giving the new image of this learnpath
  3751. * @return bool Returns true if theme name is not empty
  3752. */
  3753. public function set_preview_image($name = '') {
  3754. $course_id = api_get_course_int_id();
  3755. if ($this->debug > 0) {
  3756. error_log('New LP - In learnpath::set_preview_image()', 0);
  3757. }
  3758. $this->preview_image = $this->escape_string($name);
  3759. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3760. $lp_id = $this->get_id();
  3761. $sql = "UPDATE $lp_table SET preview_image = '" . $this->preview_image . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3762. if ($this->debug > 2) {
  3763. error_log('New LP - lp updated with new preview image : ' . $this->preview_image, 0);
  3764. }
  3765. $res = Database::query($sql);
  3766. return true;
  3767. }
  3768. /**
  3769. * Sets the author of a LP (and save)
  3770. * @param string Optional string giving the new author of this learnpath
  3771. * @return bool Returns true if author's name is not empty
  3772. */
  3773. public function set_author($name = '') {
  3774. $course_id = api_get_course_int_id();
  3775. if ($this->debug > 0) {
  3776. error_log('New LP - In learnpath::set_author()', 0);
  3777. }
  3778. $this->author = $this->escape_string($name);
  3779. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3780. $lp_id = $this->get_id();
  3781. $sql = "UPDATE $lp_table SET author = '" . $this->author . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3782. if ($this->debug > 2) {
  3783. error_log('New LP - lp updated with new preview author : ' . $this->author, 0);
  3784. }
  3785. $res = Database::query($sql);
  3786. return true;
  3787. }
  3788. /**
  3789. * Sets the hide_toc_frame parameter of a LP (and save)
  3790. * @param int 1 if frame is hiddent 0 thenelse
  3791. * @return bool Returns true if author's name is not empty
  3792. */
  3793. public function set_hide_toc_frame($hide) {
  3794. $course_id = api_get_course_int_id();
  3795. if ($this->debug > 0) {
  3796. error_log('New LP - In learnpath::set_hide_toc_frame()', 0);
  3797. }
  3798. if (intval($hide) == $hide){
  3799. $this->hide_toc_frame = $hide;
  3800. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3801. $lp_id = $this->get_id();
  3802. $sql = "UPDATE $lp_table SET hide_toc_frame = '" . $this->hide_toc_frame . "'
  3803. WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3804. if ($this->debug > 2) {
  3805. error_log('New LP - lp updated with new preview hide_toc_frame : ' . $this->author, 0);
  3806. }
  3807. $res = Database::query($sql);
  3808. return true;
  3809. } else {
  3810. return false;
  3811. }
  3812. }
  3813. /**
  3814. * Sets the prerequisite of a LP (and save)
  3815. * @param int integer giving the new prerequisite of this learnpath
  3816. * @return bool returns true if prerequisite is not empty
  3817. */
  3818. public function set_prerequisite($prerequisite) {
  3819. $course_id = api_get_course_int_id();
  3820. if ($this->debug > 0) {
  3821. error_log('New LP - In learnpath::set_prerequisite()', 0);
  3822. }
  3823. $this->prerequisite = intval($prerequisite);
  3824. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3825. $lp_id = $this->get_id();
  3826. $sql = "UPDATE $lp_table SET prerequisite = '".$this->prerequisite."'
  3827. WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3828. if ($this->debug > 2) {
  3829. error_log('New LP - lp updated with new preview requisite : ' . $this->requisite, 0);
  3830. }
  3831. $res = Database::query($sql);
  3832. return true;
  3833. }
  3834. /**
  3835. * Sets the location/proximity of the LP (local/remote) (and save)
  3836. * @param string Optional string giving the new location of this learnpath
  3837. * @return boolean True on success / False on error
  3838. */
  3839. public function set_proximity($name = '') {
  3840. $course_id = api_get_course_int_id();
  3841. if ($this->debug > 0) {
  3842. error_log('New LP - In learnpath::set_proximity()', 0);
  3843. }
  3844. if (empty ($name))
  3845. return false;
  3846. $this->proximity = $this->escape_string($name);
  3847. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3848. $lp_id = $this->get_id();
  3849. $sql = "UPDATE $lp_table SET content_local = '" . $this->proximity . "'
  3850. WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3851. if ($this->debug > 2) {
  3852. error_log('New LP - lp updated with new proximity : ' . $this->proximity, 0);
  3853. }
  3854. $res = Database::query($sql);
  3855. return true;
  3856. }
  3857. /**
  3858. * Sets the previous item ID to a given ID. Generally, this should be set to the previous 'current' item
  3859. * @param integer DB ID of the item
  3860. */
  3861. public function set_previous_item($id) {
  3862. if ($this->debug > 0) {
  3863. error_log('New LP - In learnpath::set_previous_item()', 0);
  3864. }
  3865. $this->last = $id;
  3866. }
  3867. /**
  3868. * Sets use_max_score
  3869. * @param string Optional string giving the new location of this learnpath
  3870. * @return boolean True on success / False on error
  3871. */
  3872. public function set_use_max_score($use_max_score = 1) {
  3873. $course_id = api_get_course_int_id();
  3874. if ($this->debug > 0) {
  3875. error_log('New LP - In learnpath::set_use_max_score()', 0);
  3876. }
  3877. $use_max_score = intval($use_max_score);
  3878. $this->use_max_score = $use_max_score;
  3879. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3880. $lp_id = $this->get_id();
  3881. $sql = "UPDATE $lp_table SET use_max_score = '" . $this->use_max_score . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3882. if ($this->debug > 2) {
  3883. error_log('New LP - lp updated with new use_max_score : ' . $this->use_max_score, 0);
  3884. }
  3885. $res = Database::query($sql);
  3886. return true;
  3887. }
  3888. /**
  3889. * Sets and saves the expired_on date
  3890. * @param string Optional string giving the new author of this learnpath
  3891. * @return bool Returns true if author's name is not empty
  3892. */
  3893. public function set_expired_on($expired_on) {
  3894. $course_id = api_get_course_int_id();
  3895. if ($this->debug > 0) {
  3896. error_log('New LP - In learnpath::set_expired_on()', 0);
  3897. }
  3898. if (!empty($expired_on)) {
  3899. $this->expired_on = $this->escape_string(api_get_utc_datetime($expired_on));
  3900. } else {
  3901. $this->expired_on = '';
  3902. }
  3903. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3904. $lp_id = $this->get_id();
  3905. $sql = "UPDATE $lp_table SET expired_on = '" . $this->expired_on . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3906. if ($this->debug > 2) {
  3907. error_log('New LP - lp updated with new expired_on : ' . $this->expired_on, 0);
  3908. }
  3909. $res = Database::query($sql);
  3910. return true;
  3911. }
  3912. /**
  3913. * Sets and saves the publicated_on date
  3914. * @param string Optional string giving the new author of this learnpath
  3915. * @return bool Returns true if author's name is not empty
  3916. */
  3917. public function set_publicated_on($publicated_on) {
  3918. $course_id = api_get_course_int_id();
  3919. if ($this->debug > 0) {
  3920. error_log('New LP - In learnpath::set_expired_on()', 0);
  3921. }
  3922. if (!empty($publicated_on)) {
  3923. $this->publicated_on = $this->escape_string(api_get_utc_datetime($publicated_on));
  3924. } else {
  3925. $this->publicated_on = '';
  3926. }
  3927. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3928. $lp_id = $this->get_id();
  3929. $sql = "UPDATE $lp_table SET publicated_on = '" . $this->publicated_on . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3930. if ($this->debug > 2) {
  3931. error_log('New LP - lp updated with new publicated_on : ' . $this->publicated_on, 0);
  3932. }
  3933. $res = Database::query($sql);
  3934. return true;
  3935. }
  3936. /**
  3937. * Sets and saves the expired_on date
  3938. * @param string Optional string giving the new author of this learnpath
  3939. * @return bool Returns true if author's name is not empty
  3940. */
  3941. public function set_modified_on() {
  3942. $course_id = api_get_course_int_id();
  3943. if ($this->debug > 0) {
  3944. error_log('New LP - In learnpath::set_expired_on()', 0);
  3945. }
  3946. $this->modified_on = api_get_utc_datetime();
  3947. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  3948. $lp_id = $this->get_id();
  3949. $sql = "UPDATE $lp_table SET modified_on = '" . $this->modified_on . "' WHERE c_id = ".$course_id." AND id = '$lp_id'";
  3950. if ($this->debug > 2) {
  3951. error_log('New LP - lp updated with new expired_on : ' . $this->modified_on, 0);
  3952. }
  3953. $res = Database::query($sql);
  3954. return true;
  3955. }
  3956. /**
  3957. * Sets the object's error message
  3958. * @param string Error message. If empty, reinits the error string
  3959. * @return void
  3960. */
  3961. public function set_error_msg($error = '') {
  3962. if ($this->debug > 0) {
  3963. error_log('New LP - In learnpath::set_error_msg()', 0);
  3964. }
  3965. if (empty ($error)) {
  3966. $this->error = '';
  3967. } else {
  3968. $this->error .= $error;
  3969. }
  3970. }
  3971. /**
  3972. * Launches the current item if not 'sco' (starts timer and make sure there is a record ready in the DB)
  3973. * @param boolean Whether to allow a new attempt or not
  3974. * @return boolean True
  3975. */
  3976. public function start_current_item($allow_new_attempt = false) {
  3977. if ($this->debug > 0) {
  3978. error_log('New LP - In learnpath::start_current_item()', 0);
  3979. }
  3980. if ($this->current != 0 AND is_object($this->items[$this->current])) {
  3981. $type = $this->get_type();
  3982. $item_type = $this->items[$this->current]->get_type();
  3983. if (($type == 2 && $item_type != 'sco') OR ($type == 3 && $item_type != 'au') OR ($type == 1 && $item_type != TOOL_QUIZ && $item_type != TOOL_HOTPOTATOES)) {
  3984. $this->items[$this->current]->open($allow_new_attempt);
  3985. $this->autocomplete_parents($this->current);
  3986. $prereq_check = $this->prerequisites_match($this->current);
  3987. $this->items[$this->current]->save(false, $prereq_check);
  3988. //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
  3989. } else {
  3990. // If sco, then it is supposed to have been updated by some other call.
  3991. }
  3992. if ($item_type == 'sco') {
  3993. $this->items[$this->current]->restart();
  3994. }
  3995. }
  3996. if ($this->debug > 0) {
  3997. error_log('New LP - End of learnpath::start_current_item()', 0);
  3998. }
  3999. return true;
  4000. }
  4001. /**
  4002. * Stops the processing and counters for the old item (as held in $this->last)
  4003. * @return boolean True/False
  4004. */
  4005. public function stop_previous_item() {
  4006. if ($this->debug > 0) {
  4007. error_log('New LP - In learnpath::stop_previous_item()', 0);
  4008. }
  4009. if ($this->last != 0 && $this->last != $this->current && is_object($this->items[$this->last])) {
  4010. if ($this->debug > 2) {
  4011. error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' is object', 0);
  4012. }
  4013. switch ($this->get_type()) {
  4014. case '3' :
  4015. if ($this->items[$this->last]->get_type() != 'au') {
  4016. if ($this->debug > 2) {
  4017. error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 3 is <> au', 0);
  4018. }
  4019. $this->items[$this->last]->close();
  4020. //$this->autocomplete_parents($this->last);
  4021. //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
  4022. } else {
  4023. if ($this->debug > 2) {
  4024. error_log('New LP - In learnpath::stop_previous_item() - Item is an AU, saving is managed by AICC signals', 0);
  4025. }
  4026. }
  4027. case '2' :
  4028. if ($this->items[$this->last]->get_type() != 'sco') {
  4029. if ($this->debug > 2) {
  4030. error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 2 is <> sco', 0);
  4031. }
  4032. $this->items[$this->last]->close();
  4033. //$this->autocomplete_parents($this->last);
  4034. //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
  4035. } else {
  4036. if ($this->debug > 2) {
  4037. error_log('New LP - In learnpath::stop_previous_item() - Item is a SCO, saving is managed by SCO signals', 0);
  4038. }
  4039. }
  4040. break;
  4041. case '1' :
  4042. default :
  4043. if ($this->debug > 2) {
  4044. error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 1 is asset', 0);
  4045. }
  4046. $this->items[$this->last]->close();
  4047. break;
  4048. }
  4049. } else {
  4050. if ($this->debug > 2) {
  4051. error_log('New LP - In learnpath::stop_previous_item() - No previous element found, ignoring...', 0);
  4052. }
  4053. return false;
  4054. }
  4055. return true;
  4056. }
  4057. /**
  4058. * Updates the default view mode from fullscreen to embedded and inversely
  4059. * @return string The current default view mode ('fullscreen' or 'embedded')
  4060. */
  4061. public function update_default_view_mode() {
  4062. $course_id = api_get_course_int_id();
  4063. if ($this->debug > 0) {
  4064. error_log('New LP - In learnpath::update_default_view_mode()', 0);
  4065. }
  4066. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4067. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4068. $res = Database::query($sql);
  4069. if (Database :: num_rows($res) > 0) {
  4070. $row = Database :: fetch_array($res);
  4071. $view_mode = $row['default_view_mod'];
  4072. if ($view_mode == 'fullscreen') {
  4073. $view_mode = 'embedded';
  4074. } elseif ($view_mode == 'embedded') {
  4075. $view_mode = 'embedframe';
  4076. } elseif ($view_mode == 'embedframe') {
  4077. $view_mode = 'fullscreen';
  4078. }
  4079. $sql = "UPDATE $lp_table SET default_view_mod = '$view_mode' WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4080. $res = Database::query($sql);
  4081. $this->mode = $view_mode;
  4082. return $view_mode;
  4083. } else {
  4084. if ($this->debug > 2) {
  4085. error_log('New LP - Problem in update_default_view() - could not find LP ' . $this->get_id() . ' in DB', 0);
  4086. }
  4087. }
  4088. return -1;
  4089. }
  4090. /**
  4091. * Updates the default behaviour about auto-commiting SCORM updates
  4092. * @return boolean True if auto-commit has been set to 'on', false otherwise
  4093. */
  4094. public function update_default_scorm_commit() {
  4095. $course_id = api_get_course_int_id();
  4096. if ($this->debug > 0) {
  4097. error_log('New LP - In learnpath::update_default_scorm_commit()', 0);
  4098. }
  4099. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4100. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4101. $res = Database::query($sql);
  4102. if (Database :: num_rows($res) > 0) {
  4103. $row = Database :: fetch_array($res);
  4104. $force = $row['force_commit'];
  4105. if ($force == 1) {
  4106. $force = 0;
  4107. $force_return = false;
  4108. } elseif ($force == 0) {
  4109. $force = 1;
  4110. $force_return = true;
  4111. }
  4112. $sql = "UPDATE $lp_table SET force_commit = $force WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4113. $res = Database::query($sql);
  4114. $this->force_commit = $force_return;
  4115. return $force_return;
  4116. } else {
  4117. if ($this->debug > 2) {
  4118. error_log('New LP - Problem in update_default_scorm_commit() - could not find LP ' . $this->get_id() . ' in DB', 0);
  4119. }
  4120. }
  4121. return -1;
  4122. }
  4123. /**
  4124. * Updates the order of learning paths (goes through all of them by order and fills the gaps)
  4125. * @return bool True on success, false on failure
  4126. */
  4127. public function update_display_order() {
  4128. $course_id = api_get_course_int_id();
  4129. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4130. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." ORDER BY display_order";
  4131. $res = Database::query($sql);
  4132. if ($res === false)
  4133. return false;
  4134. $lps = array ();
  4135. $lp_order = array ();
  4136. $num = Database :: num_rows($res);
  4137. // First check the order is correct, globally (might be wrong because
  4138. // of versions < 1.8.4).
  4139. if ($num > 0) {
  4140. $i = 1;
  4141. while ($row = Database :: fetch_array($res)) {
  4142. if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
  4143. $need_fix = true;
  4144. $sql_u = "UPDATE $lp_table SET display_order = $i WHERE c_id = ".$course_id." AND id = " . $row['id'];
  4145. $res_u = Database::query($sql_u);
  4146. }
  4147. $i++;
  4148. }
  4149. }
  4150. return true;
  4151. }
  4152. /**
  4153. * Updates the "prevent_reinit" value that enables control on reinitialising items on second view
  4154. * @return boolean True if prevent_reinit has been set to 'on', false otherwise (or 1 or 0 in this case)
  4155. */
  4156. public function update_reinit() {
  4157. $course_id = api_get_course_int_id();
  4158. if ($this->debug > 0) {
  4159. error_log('New LP - In learnpath::update_reinit()', 0);
  4160. }
  4161. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4162. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4163. $res = Database::query($sql);
  4164. if (Database :: num_rows($res) > 0) {
  4165. $row = Database :: fetch_array($res);
  4166. $force = $row['prevent_reinit'];
  4167. if ($force == 1) {
  4168. $force = 0;
  4169. } elseif ($force == 0) {
  4170. $force = 1;
  4171. }
  4172. $sql = "UPDATE $lp_table SET prevent_reinit = $force WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4173. $res = Database::query($sql);
  4174. $this->prevent_reinit = $force;
  4175. return $force;
  4176. } else {
  4177. if ($this->debug > 2) {
  4178. error_log('New LP - Problem in update_reinit() - could not find LP ' . $this->get_id() . ' in DB', 0);
  4179. }
  4180. }
  4181. return -1;
  4182. }
  4183. /**
  4184. * Determine the attempt_mode thanks to prevent_reinit and seriousgame_mode db flag
  4185. *
  4186. * @return string 'single', 'multi' or 'seriousgame'
  4187. * @author ndiechburg <noel@cblue.be>
  4188. **/
  4189. public function get_attempt_mode() {
  4190. if (!isset($this->seriousgame_mode)) { //Set default value for seriousgame_mode
  4191. $this->seriousgame_mode=0;
  4192. }
  4193. if (!isset($this->prevent_reinit)) { // Set default value for prevent_reinit
  4194. $this->prevent_reinit =1;
  4195. }
  4196. if ($this->seriousgame_mode == 1 && $this->prevent_reinit == 1) {
  4197. return 'seriousgame';
  4198. }
  4199. if ($this->seriousgame_mode == 0 && $this->prevent_reinit == 1) {
  4200. return 'single';
  4201. }
  4202. if ($this->seriousgame_mode == 0 && $this->prevent_reinit == 0) {
  4203. return 'multiple';
  4204. }
  4205. return 'single';
  4206. }
  4207. /**
  4208. * Register the attempt mode into db thanks to flags prevent_reinit and seriousgame_mode flags
  4209. *
  4210. * @param string 'seriousgame', 'single' or 'multiple'
  4211. * @return boolean
  4212. * @author ndiechburg <noel@cblue.be>
  4213. **/
  4214. public function set_attempt_mode($mode) {
  4215. $course_id = api_get_course_int_id();
  4216. switch ($mode) {
  4217. case 'seriousgame' :
  4218. $sg_mode = 1;
  4219. $prevent_reinit = 1;
  4220. break;
  4221. case 'single' :
  4222. $sg_mode = 0;
  4223. $prevent_reinit = 1;
  4224. break;
  4225. case 'multiple' :
  4226. $sg_mode = 0;
  4227. $prevent_reinit = 0;
  4228. break;
  4229. default :
  4230. $sg_mode = 0;
  4231. $prevent_reinit = 0;
  4232. break;
  4233. }
  4234. $this->prevent_reinit = $prevent_reinit;
  4235. $this->seriousgame_mode = $sg_mode;
  4236. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4237. $sql = "UPDATE $lp_table SET prevent_reinit = $prevent_reinit , seriousgame_mode = $sg_mode WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4238. $res = Database::query($sql);
  4239. if ($res) {
  4240. return true;
  4241. }
  4242. else {
  4243. return false;
  4244. }
  4245. }
  4246. /**
  4247. * switch between multiple attempt, single attempt or serious_game mode (only for scorm)
  4248. *
  4249. * @return boolean
  4250. * @author ndiechburg <noel@cblue.be>
  4251. **/
  4252. public function switch_attempt_mode() {
  4253. if ($this->debug > 0) {
  4254. error_log('New LP - In learnpath::switch_attempt_mode()', 0);
  4255. }
  4256. $mode = $this->get_attempt_mode();
  4257. switch ($mode) {
  4258. case 'single' :
  4259. $next_mode = 'multiple';
  4260. break;
  4261. case 'multiple' :
  4262. $next_mode = 'seriousgame';
  4263. break;
  4264. case 'seriousgame' :
  4265. $next_mode = 'single';
  4266. break;
  4267. default :
  4268. $next_mode = 'single';
  4269. break;
  4270. }
  4271. $this->set_attempt_mode($next_mode);
  4272. }
  4273. /**
  4274. * Swithc the lp in ktm mode. This is a special scorm mode with unique attempt but possibility to do again a completed item.
  4275. *
  4276. * @return boolean true if seriousgame_mode has been set to 1, false otherwise
  4277. * @author ndiechburg <noel@cblue.be>
  4278. **/
  4279. public function set_seriousgame_mode() {
  4280. $course_id = api_get_course_int_id();
  4281. if ($this->debug > 0) {
  4282. error_log('New LP - In learnpath::set_seriousgame_mode()', 0);
  4283. }
  4284. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4285. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4286. $res = Database::query($sql);
  4287. if (Database :: num_rows($res) > 0) {
  4288. $row = Database :: fetch_array($res);
  4289. $force = $row['seriousgame_mode'];
  4290. if ($force == 1) {
  4291. $force = 0;
  4292. } elseif ($force == 0) {
  4293. $force = 1;
  4294. }
  4295. $sql = "UPDATE $lp_table SET seriousgame_mode = $force WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4296. $res = Database::query($sql);
  4297. $this->seriousgame_mode = $force;
  4298. return $force;
  4299. } else {
  4300. if ($this->debug > 2) {
  4301. error_log('New LP - Problem in set_seriousgame_mode() - could not find LP ' . $this->get_id() . ' in DB', 0);
  4302. }
  4303. }
  4304. return -1;
  4305. }
  4306. /**
  4307. * Updates the "scorm_debug" value that shows or hide the debug window
  4308. * @return boolean True if scorm_debug has been set to 'on', false otherwise (or 1 or 0 in this case)
  4309. */
  4310. public function update_scorm_debug() {
  4311. $course_id = api_get_course_int_id();
  4312. if ($this->debug > 0) {
  4313. error_log('New LP - In learnpath::update_scorm_debug()', 0);
  4314. }
  4315. $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
  4316. $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4317. $res = Database::query($sql);
  4318. if (Database :: num_rows($res) > 0) {
  4319. $row = Database :: fetch_array($res);
  4320. $force = $row['debug'];
  4321. if ($force == 1) {
  4322. $force = 0;
  4323. } elseif ($force == 0) {
  4324. $force = 1;
  4325. }
  4326. $sql = "UPDATE $lp_table SET debug = $force WHERE c_id = ".$course_id." AND id = " . $this->get_id();
  4327. $res = Database::query($sql);
  4328. $this->scorm_debug = $force;
  4329. return $force;
  4330. } else {
  4331. if ($this->debug > 2) {
  4332. error_log('New LP - Problem in update_scorm_debug() - could not find LP ' . $this->get_id() . ' in DB', 0);
  4333. }
  4334. }
  4335. return -1;
  4336. }
  4337. /**
  4338. * Function that makes a call to the function sort_tree_array and create_tree_array
  4339. * @author Kevin Van Den Haute
  4340. * @param array
  4341. */
  4342. public function tree_array($array) {
  4343. if ($this->debug > 1) {
  4344. error_log('New LP - In learnpath::tree_array()', 0);
  4345. }
  4346. $array = $this->sort_tree_array($array);
  4347. $this->create_tree_array($array);
  4348. }
  4349. /**
  4350. * Creates an array with the elements of the learning path tree in it
  4351. *
  4352. * @author Kevin Van Den Haute
  4353. * @param array $array
  4354. * @param int $parent
  4355. * @param int $depth
  4356. * @param array $tmp
  4357. */
  4358. public function create_tree_array($array, $parent = 0, $depth = -1, $tmp = array ()) {
  4359. if ($this->debug > 1) {
  4360. error_log('New LP - In learnpath::create_tree_array())', 0);
  4361. }
  4362. if (is_array($array)) {
  4363. for ($i = 0; $i < count($array); $i++) {
  4364. if ($array[$i]['parent_item_id'] == $parent) {
  4365. if (!in_array($array[$i]['parent_item_id'], $tmp)) {
  4366. $tmp[] = $array[$i]['parent_item_id'];
  4367. $depth++;
  4368. }
  4369. $preq = (empty($array[$i]['prerequisite']) ? '' : $array[$i]['prerequisite']);
  4370. $audio = isset($array[$i]['audio']) ? $array[$i]['audio'] : null;
  4371. $this->arrMenu[] = array (
  4372. 'id' => $array[$i]['id'],
  4373. 'item_type' => $array[$i]['item_type'],
  4374. 'title' => $array[$i]['title'],
  4375. 'path' => $array[$i]['path'],
  4376. 'description' => $array[$i]['description'],
  4377. 'parent_item_id' => $array[$i]['parent_item_id'],
  4378. 'previous_item_id' => $array[$i]['previous_item_id'],
  4379. 'next_item_id' => $array[$i]['next_item_id'],
  4380. 'min_score' => $array[$i]['min_score'],
  4381. 'max_score' => $array[$i]['max_score'],
  4382. 'mastery_score' => $array[$i]['mastery_score'],
  4383. 'display_order' => $array[$i]['display_order'],
  4384. 'prerequisite' => $preq,
  4385. 'depth' => $depth,
  4386. 'audio' => $audio
  4387. );
  4388. $this->create_tree_array($array, $array[$i]['id'], $depth, $tmp);
  4389. }
  4390. }
  4391. }
  4392. }
  4393. /**
  4394. * Sorts a multi dimensional array by parent id and display order
  4395. * @author Kevin Van Den Haute
  4396. *
  4397. * @param array $array (array with al the learning path items in it)
  4398. *
  4399. * @return array
  4400. */
  4401. public function sort_tree_array($array) {
  4402. foreach ($array as $key => $row) {
  4403. $parent[$key] = $row['parent_item_id'];
  4404. $position[$key] = $row['display_order'];
  4405. }
  4406. if (count($array) > 0)
  4407. array_multisort($parent, SORT_ASC, $position, SORT_ASC, $array);
  4408. return $array;
  4409. }
  4410. /**
  4411. * Function that creates a table structure with a learning path his modules, chapters and documents.
  4412. * Also the actions for the modules, chapters and documents are in this table.
  4413. * @author Kevin Van Den Haute
  4414. * @param int $lp_id
  4415. * @return string
  4416. */
  4417. public function overview() {
  4418. $course_id = api_get_course_int_id();
  4419. $is_allowed_to_edit = api_is_allowed_to_edit(null,true);
  4420. if ($this->debug > 0) {
  4421. error_log('New LP - In learnpath::overview()', 0);
  4422. }
  4423. global $charset, $_course;
  4424. $_SESSION['gradebook'] = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
  4425. $return = '';
  4426. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  4427. $sql = "SELECT * FROM " . $tbl_lp_item . "
  4428. WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  4429. $result = Database::query($sql);
  4430. $arrLP = array ();
  4431. while ($row = Database :: fetch_array($result)) {
  4432. $row['title'] = Security :: remove_XSS($row['title']);
  4433. $row['description'] = Security :: remove_XSS($row['description']);
  4434. $arrLP[] = array (
  4435. 'id' => $row['id'],
  4436. 'item_type' => $row['item_type'],
  4437. 'title' => $row['title'],
  4438. 'path' => $row['path'],
  4439. 'description' => $row['description'],
  4440. 'parent_item_id' => $row['parent_item_id'],
  4441. 'previous_item_id' => $row['previous_item_id'],
  4442. 'next_item_id' => $row['next_item_id'],
  4443. 'max_score' => $row['max_score'],
  4444. 'min_score' => $row['min_score'],
  4445. 'mastery_score' => $row['mastery_score'],
  4446. 'prerequisite' => $row['prerequisite'],
  4447. 'display_order' => $row['display_order'],
  4448. 'audio' => $row['audio']
  4449. );
  4450. }
  4451. $this->tree_array($arrLP);
  4452. $arrLP = $this->arrMenu;
  4453. unset ($this->arrMenu);
  4454. $update_audio = isset($_GET['updateaudio']) ? $_GET['updateaudio'] : null;
  4455. if ($is_allowed_to_edit) {
  4456. $token = Security::get_token();
  4457. $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
  4458. $return .= '<div class="actions">';
  4459. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;gradebook=' . $gradebook . '&amp;action=build&amp;lp_id=' . $this->lp_id . '" title="' . get_lang('Build') . '">' . Display :: return_icon('build_learnpath.png', get_lang('Build'),'',ICON_SIZE_MEDIUM).'</a>';
  4460. if ($update_audio == 'true') {
  4461. $return .='<a href="lp_controller.php?cidReq='.Security::remove_XSS($_GET['cidReq']) .'&amp;gradebook='.$gradebook.'&amp;action=admin_view&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" title="'.get_lang('BasicOverview').'">'.Display::return_icon('move_learnpath.png', get_lang('BasicOverview'),'',ICON_SIZE_MEDIUM).'</a>';
  4462. } else {
  4463. $return .= Display :: return_icon('move_learnpath_na.png', get_lang('BasicOverview'),'',ICON_SIZE_MEDIUM);
  4464. }
  4465. $return .= '<a href="lp_controller.php?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&action=view&lp_id=' . $this->lp_id . '">' . Display :: return_icon('view_left_right.png', get_lang('Display'),'',ICON_SIZE_MEDIUM).'</a>';
  4466. $return .= ' '.Display :: return_icon('i.gif');
  4467. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;gradebook=' . $gradebook . '&amp;action=add_item&amp;type=step&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" title="' . get_lang('NewStep') . '">
  4468. '. Display :: return_icon('add.png', get_lang('NewStep'),'',ICON_SIZE_MEDIUM).'</a>';
  4469. /*$return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;gradebook=' . $gradebook . '&amp;action=add_item&amp;type=chapter&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" title="' . get_lang('NewChapter') . '">
  4470. '. Display :: return_icon('add_learnpath_section.png', get_lang('NewChapter'),'',ICON_SIZE_MEDIUM).'</a>';*/
  4471. if ($update_audio == 'true') {
  4472. $return .= Display::url(Display :: return_icon('upload_audio_na.png', get_lang('UpdateAllAudioFragments'),'',ICON_SIZE_MEDIUM),'#');
  4473. } else {
  4474. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=' . Security :: remove_XSS($_GET['action']) . '&amp;lp_id=' . $_SESSION['oLP']->lp_id . '&amp;updateaudio=true">' . Display :: return_icon('upload_audio.png', get_lang('UpdateAllAudioFragments'),'',ICON_SIZE_MEDIUM).'</a>';
  4475. }
  4476. $return .= '<a href="lp_controller.php?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=edit&amp;lp_id=' . $_SESSION['oLP']->lp_id . '">' . Display :: return_icon('settings.png', get_lang('CourseSettings'),'',ICON_SIZE_MEDIUM).'</a>';
  4477. $return .= '</div>';
  4478. }
  4479. // we need to start a form when we want to update all the mp3 files
  4480. if ($update_audio == 'true' AND count($arrLP) <> 0) {
  4481. $return .= '<form action="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;updateaudio=' . Security :: remove_XSS($_GET['updateaudio']) .'&amp;action=' . Security :: remove_XSS($_GET['action']) . '&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" method="post" enctype="multipart/form-data" name="updatemp3" id="updatemp3">';
  4482. //$return .= Display::return_message(get_lang('LeaveEmptyToKeepCurrentFile'), 'warning');
  4483. }
  4484. $return .= '<div id="message"></div>';
  4485. $return_audio = '<table class="data_table">';
  4486. $return_audio .= '<tr>';
  4487. $return_audio .= '<th width="60%">' . get_lang('Title') . '</th>';
  4488. $return_audio .= '<th>' . get_lang('Audio') . '</th>';
  4489. //$return_audio .= '<th>' . get_lang('Actions') . '</th>';
  4490. $return_audio .= '</tr>';
  4491. $elements = array();
  4492. for ($i = 0; $i < count($arrLP); $i++) {
  4493. $title = $arrLP[$i]['title'];
  4494. if (($i % 2) == 0) {
  4495. $oddclass = 'row_odd';
  4496. } else {
  4497. $oddclass = 'row_even';
  4498. }
  4499. $return_audio .= '<tr id ="lp_item_'.$arrLP[$i]['id'] .'" class="' . $oddclass . '">';
  4500. // "lp_item_'.$i.' is important for the drag and drop otherwise the LP will not work
  4501. $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
  4502. /*
  4503. if (file_exists('../img/lp_' . $icon_name . '.png')) {
  4504. $return .= '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/lp_' . $icon_name . '.png" style="margin-right:3px;" />' . $title . '</td>';
  4505. } else {
  4506. if (file_exists('../img/lp_' . $icon_name . '.gif')) {
  4507. $return .= '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/lp_' . $icon_name . '.gif" style="margin-right:3px;" />' . $title . '</td>';
  4508. } else {
  4509. //$return .= '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;">' . Display::display_icon('folder_document.gif','',array('style'=>'margin-right:3px;')) . $title . '</td>';
  4510. $return .= '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/folder_document.gif" style="margin-right:3px;" />' . $title . '</td>';
  4511. }
  4512. }*/
  4513. $icon = '';
  4514. if (file_exists('../img/lp_' . $icon_name . '.png')) {
  4515. $icon = '<img align="left" src="../img/lp_' . $icon_name . '.png" style="margin-right:3px;" />';
  4516. } else {
  4517. if (file_exists('../img/lp_' . $icon_name . '.gif')) {
  4518. $icon = '<img align="left" src="../img/lp_' . $icon_name . '.gif" style="margin-right:3px;" />';
  4519. } else {
  4520. $icon = '<img align="left" src="../img/folder_document.gif" style="margin-right:3px;" />';
  4521. }
  4522. }
  4523. // The audio column.
  4524. $return_audio .= '<td align="center">';
  4525. $audio = '';
  4526. if (!$update_audio OR $update_audio <> 'true') {
  4527. if (!empty ($arrLP[$i]['audio'])) {
  4528. $audio .= '<span id="container'.$i.'"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.</span>';
  4529. $audio .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
  4530. $audio .= '<script type="text/javascript">
  4531. var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
  4532. s1.addParam("allowscriptaccess","always");
  4533. s1.addParam("flashvars","file=../../courses/' . $_course['path'] . '/document/audio/' . $arrLP[$i]['audio'] . '");
  4534. s1.write("container' . $i . '");
  4535. </script>';
  4536. } else {
  4537. $audio .= '';
  4538. }
  4539. } else {
  4540. if ($arrLP[$i]['item_type'] != 'dokeos_chapter' && $arrLP[$i]['item_type'] != 'dokeos_module' && $arrLP[$i]['item_type'] != 'dir') {
  4541. $audio .= '<input type="file" name="mp3file' . $arrLP[$i]['id'] . '" id="mp3file" />';
  4542. if (!empty ($arrLP[$i]['audio'])) {
  4543. $audio .= '<br />'.Security::remove_XSS($arrLP[$i]['audio']).'<br /><input type="checkbox" name="removemp3' . $arrLP[$i]['id'] . '" id="checkbox' . $arrLP[$i]['id'] . '" />' . get_lang('RemoveAudio');
  4544. }
  4545. }
  4546. }
  4547. $return_audio .= Display::span($title.$icon).Display::tag('td', $audio, array('style'=>''));
  4548. $return_audio .= '</td>';
  4549. $move_icon = '';
  4550. $edit_icon = '';
  4551. $delete_icon = '';
  4552. if ($is_allowed_to_edit) {
  4553. if (!$update_audio OR $update_audio <> 'true') {
  4554. $move_icon .= '<a class="moved" href="#">';
  4555. $move_icon .= Display::return_icon('move.png', get_lang('Move'), array(), 24);
  4556. $move_icon .= '</a>';
  4557. }
  4558. if ($arrLP[$i]['item_type'] != 'dokeos_chapter' && $arrLP[$i]['item_type'] != 'dokeos_module') {
  4559. $edit_icon .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=edit_item&amp;view=build&amp;id=' . $arrLP[$i]['id'] . '&amp;lp_id=' . $this->lp_id . '&amp;path_item=' . $arrLP[$i]['path'] . '">';
  4560. $edit_icon .= '<img style="margin:1px;" alt="" src="../img/edit.png" title="' . get_lang('_edit_learnpath_module') . '" />';
  4561. $edit_icon .= '</a>';
  4562. } else {
  4563. $edit_icon .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=edit_item&amp;id=' . $arrLP[$i]['id'] . '&amp;lp_id=' . $this->lp_id . '&amp;path_item=' . $arrLP[$i]['path'] . '">';
  4564. $edit_icon .= '<img style="margin:1px;" alt="" src="../img/edit.png" title="' . get_lang('_edit_learnpath_module') . '" />';
  4565. $edit_icon .= '</a>';
  4566. }
  4567. $delete_icon .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=delete_item&amp;id=' . $arrLP[$i]['id'] . '&amp;lp_id=' . $this->lp_id . '" onClick="return confirmation(\'' . addslashes($title) . '\');">';
  4568. $delete_icon .= '<img style="margin:1px;" alt="" src="../img/delete.png" title="' . get_lang('_delete_learnpath_module') . '" />';
  4569. $delete_icon .= '</a>';
  4570. }
  4571. if ($update_audio != 'true') {
  4572. $row = $move_icon.Display::span($title.$icon).Display::span($audio.$edit_icon.$delete_icon, array('class'=>'button_actions'));
  4573. } else {
  4574. $row = Display::span($title.$icon).Display::span($audio, array('class'=>'button_actions'));
  4575. }
  4576. $parent_id = $arrLP[$i]['parent_item_id'];
  4577. $default_data[$arrLP[$i]['id']] = $row;
  4578. $default_content[$arrLP[$i]['id']] = $arrLP[$i];
  4579. if (empty($parent_id)) {
  4580. $elements[$arrLP[$i]['id']]['data'] = $row;
  4581. $elements[$arrLP[$i]['id']]['type'] = $arrLP[$i]['item_type'];
  4582. } else {
  4583. $parent_arrays = array();
  4584. if ($arrLP[$i]['depth'] > 1) {
  4585. //Getting list of parents
  4586. for($j = 0; $j < $arrLP[$i]['depth']; $j++) {
  4587. foreach($arrLP as $item) {
  4588. if ($item['id'] == $parent_id) {
  4589. if ($item['parent_item_id'] == 0) {
  4590. $parent_id = $item['id'];
  4591. //$parent_arrays[] = $parent_id;
  4592. break;
  4593. } else {
  4594. $parent_id = $item['parent_item_id'];
  4595. if (empty($parent_arrays)) {
  4596. $parent_arrays[] = intval($item['id']);
  4597. }
  4598. $parent_arrays[] = $parent_id;
  4599. break;
  4600. }
  4601. }
  4602. }
  4603. }
  4604. }
  4605. if (!empty($parent_arrays)) {
  4606. $parent_arrays = array_reverse($parent_arrays);
  4607. $value_to_insert = array();
  4608. $val = '$elements';
  4609. $x = 0;
  4610. foreach($parent_arrays as $item) {
  4611. if ($x != count($parent_arrays) -1) {
  4612. $val .= '["'.$item.'"]["children"]';
  4613. } else {
  4614. $val .= '["'.$item.'"]["children"]';
  4615. }
  4616. $x++;
  4617. }
  4618. $val .= "";
  4619. $generated_array = null;
  4620. $code_str = $val."[".$arrLP[$i]['id']."][\"load_data\"] = '".$arrLP[$i]['id']."' ; ";
  4621. eval($code_str);
  4622. } else {
  4623. $elements[$parent_id]['children'][$arrLP[$i]['id']]['data'] = $row;
  4624. $elements[$parent_id]['children'][$arrLP[$i]['id']]['type'] = $arrLP[$i]['item_type'];
  4625. }
  4626. }
  4627. }
  4628. //@todo move this somewhere else
  4629. function print_recursive($elements, $default_data, $default_content) {
  4630. $return = '';
  4631. foreach($elements as $key => $item) {
  4632. if (isset($item['load_data']) || empty($item['data'])) {
  4633. $item['data'] = $default_data[$item['load_data']];
  4634. $item['type'] = $default_content[$item['load_data']]['item_type'];
  4635. }
  4636. $sub_list = '';
  4637. if (isset($item['type']) && $item['type'] == 'dokeos_chapter') {
  4638. $sub_list = Display::tag('li', '', array('class'=>'sub_item empty')); // empty value
  4639. }
  4640. if (empty($item['children'])) {
  4641. $sub_list = Display::tag('ul', $sub_list, array('id'=>'UL_'.$key, 'class'=>'record container'));
  4642. $return .= Display::tag('li', Display::div($item['data'], array('class'=>'item_data')).$sub_list, array('id'=>$key, 'class'=>'record container'));
  4643. } else {
  4644. //sections
  4645. if (isset($item['children'])) {
  4646. $data = print_recursive($item['children'], $default_data, $default_content);
  4647. }
  4648. /*foreach($item['children'] as $my_key => $sub_item) {
  4649. $sub_list .= Display::tag('li', $sub_item['data'], array('id'=>$my_key,'class'=>'record item'));
  4650. }*/
  4651. $sub_list = Display::tag('ul', $sub_list.$data, array('id'=>'UL_'.$key, 'class'=>'record container'));
  4652. $return .= Display::tag('li', Display::div($item['data'], array('class'=>'item_data')).$sub_list, array('id'=>$key, 'class'=>'record container'));
  4653. }
  4654. }
  4655. return $return;
  4656. }
  4657. if ($update_audio != 'true') {
  4658. $return .= '<div style="width:90%;"><ul id="lp_item_list">';
  4659. $return .= print_recursive($elements, $default_data, $default_content);
  4660. $return .='</ul></div>';
  4661. $return .= Display::div(Display::url(get_lang('Save'), '#', array('id'=>'listSubmit', 'class'=>'a_button white medium')), array('style'=>'float:left; margin-top:15px;width:100%'));
  4662. } else {
  4663. $return .= $return_audio.'</table>';
  4664. }
  4665. /*
  4666. if (count($arrLP) == 0) {
  4667. $return .= '<tr>';
  4668. $return .= '<td colspan="4">' . get_lang('NoItemsInLp') . '</td>';
  4669. $return .= '</tr>';
  4670. }*/
  4671. // We need to close the form when we are updating the mp3 files.
  4672. if ($update_audio == 'true') {
  4673. $return .= '<div style="margin:40px 0; float:right;"><button class="save" type="submit" name="save_audio" id="save_audio">' . get_lang('SaveAudioAndOrganization') . '</button></div>'; // TODO: What kind of language variable is this?
  4674. }
  4675. // We need to close the form when we are updating the mp3 files.
  4676. if ($update_audio == 'true' && count($arrLP) != 0) {
  4677. $return .= '</form>';
  4678. }
  4679. return $return;
  4680. }
  4681. /**
  4682. * This function builds the action menu
  4683. * @return void
  4684. */
  4685. public function build_action_menu() {
  4686. $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
  4687. echo '<div class="actions">';
  4688. echo Display :: return_icon('build_learnpath_na.png', get_lang('Build'),'',ICON_SIZE_MEDIUM);
  4689. echo '<a href="' . api_get_self().'?'.api_get_cidreq().'&amp;gradebook=' . $gradebook . '&amp;action=admin_view&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" title="' . get_lang('BasicOverview') . '">' . Display :: return_icon('move_learnpath.png', get_lang('BasicOverview'),'',ICON_SIZE_MEDIUM).'</a>';
  4690. echo '<a href="lp_controller.php?'.api_get_cidreq().'&amp;gradebook=' . $gradebook . '&action=view&lp_id=' . $_SESSION['oLP']->lp_id . '">' . Display :: return_icon('view_left_right.png', get_lang('Display'),'',ICON_SIZE_MEDIUM).'</a> ';
  4691. Display :: display_icon('i.gif');
  4692. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;gradebook=' . $gradebook . '&amp;action=add_item&amp;type=step&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" title="' . get_lang('NewStep') . '">' . Display :: return_icon('add.png', get_lang('NewStep'),'',ICON_SIZE_MEDIUM).'</a>';
  4693. // echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;gradebook=' . $gradebook . '&amp;action=add_item&amp;type=chapter&amp;lp_id=' . $_SESSION['oLP']->lp_id . '" title="' . get_lang('NewChapter') . '">' . Display :: return_icon('add_learnpath_section.png', get_lang('NewChapter'),'',ICON_SIZE_MEDIUM).'</a>';
  4694. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;action=admin_view&amp;lp_id=' . $_SESSION['oLP']->lp_id . '&amp;updateaudio=true">' . Display :: return_icon('upload_audio.png', get_lang('UpdateAllAudioFragments'),'',ICON_SIZE_MEDIUM).'</a>';
  4695. echo '<a href="lp_controller.php?'.api_get_cidreq().'&amp;action=edit&amp;lp_id=' . $_SESSION['oLP']->lp_id . '">' . Display :: return_icon('settings.png', get_lang('CourseSettings'),'',ICON_SIZE_MEDIUM).'</a>';
  4696. echo '</div>';
  4697. }
  4698. /**
  4699. * This functions builds the LP tree based on data from the database.
  4700. * @return string
  4701. * @uses dtree.js :: necessary javascript for building this tree
  4702. */
  4703. public function build_tree() {
  4704. $course_id = api_get_course_int_id();
  4705. $return = "<script type=\"text/javascript\">\n";
  4706. $return .= "\tm = new dTree('m');\n\n";
  4707. $return .= "\tm.config.folderLinks = true;\n";
  4708. $return .= "\tm.config.useCookies = true;\n";
  4709. $return .= "\tm.config.useIcons = true;\n";
  4710. $return .= "\tm.config.useLines = true;\n";
  4711. $return .= "\tm.config.useSelection = true;\n";
  4712. $return .= "\tm.config.useStatustext = false;\n\n";
  4713. $menu = 0;
  4714. $parent = '';
  4715. $return .= "\tm.add(" . $menu . ", -1, '" . addslashes(Security::remove_XSS(($this->name))) . "');\n";
  4716. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  4717. $sql = " SELECT id, title, description, item_type, path, parent_item_id, previous_item_id, next_item_id, max_score, min_score, mastery_score, display_order
  4718. FROM $tbl_lp_item
  4719. WHERE c_id = ".$course_id." AND lp_id = " . Database :: escape_string($this->lp_id);
  4720. $result = Database::query($sql);
  4721. $arrLP = array ();
  4722. while ($row = Database :: fetch_array($result)) {
  4723. $row['title'] = Security :: remove_XSS($row['title']);
  4724. $row['description'] = Security :: remove_XSS($row['description']);
  4725. $arrLP[] = array (
  4726. 'id' => $row['id'],
  4727. 'item_type' => $row['item_type'],
  4728. 'title' => $row['title'],
  4729. 'path' => $row['path'],
  4730. 'description' => $row['description'],
  4731. 'parent_item_id' => $row['parent_item_id'],
  4732. 'previous_item_id' => $row['previous_item_id'],
  4733. 'next_item_id' => $row['next_item_id'],
  4734. 'max_score' => $row['max_score'],
  4735. 'min_score' => $row['min_score'],
  4736. 'mastery_score' => $row['mastery_score'],
  4737. 'display_order' => $row['display_order']
  4738. );
  4739. }
  4740. $this->tree_array($arrLP);
  4741. $arrLP = $this->arrMenu;
  4742. unset ($this->arrMenu);
  4743. $title = '';
  4744. for ($i = 0; $i < count($arrLP); $i++) {
  4745. $title = addslashes($arrLP[$i]['title']);
  4746. $menu_page = api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=view_item&amp;id=' . $arrLP[$i]['id'] . '&amp;lp_id=' . $_SESSION['oLP']->lp_id;
  4747. $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
  4748. if (file_exists('../img/lp_' . $icon_name . '.png')) {
  4749. $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";
  4750. } else
  4751. if (file_exists('../img/lp_' . $icon_name . '.gif')) {
  4752. $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";
  4753. } else {
  4754. $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . $title . "', '" . $menu_page . "', '', '', '../img/folder_document.gif', '../img/folder_document.gif');\n";
  4755. }
  4756. if ($menu < $arrLP[$i]['id'])
  4757. $menu = $arrLP[$i]['id'];
  4758. }
  4759. $return .= "\n\tdocument.write(m);\n";
  4760. $return .= "\t if(!m.selectedNode) m.s(1);";
  4761. $return .= "</script>\n";
  4762. return $return;
  4763. }
  4764. public function generate_lp_folder($course, $dir) {
  4765. $filepath = '';
  4766. //Creating learning_path folder
  4767. $dir = '/learning_path';
  4768. $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document';
  4769. $folder = null;
  4770. if (!is_dir($filepath.'/'.$dir)) {
  4771. $folder = create_unexisting_directory($course, api_get_user_id(), api_get_session_id(), 0, 0, $filepath, $dir , get_lang('LearningPaths'));
  4772. } else {
  4773. $folder = true;
  4774. }
  4775. $dir = '/learning_path/';
  4776. //Creating LP folder
  4777. if ($folder) {
  4778. //Limits title size
  4779. $title = api_substr(replace_dangerous_char($this->name), 0 , 80);
  4780. $dir = $dir.$title;
  4781. $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document';
  4782. if (!is_dir($filepath.'/'.$dir)) {
  4783. $folder = create_unexisting_directory($course, api_get_user_id(), api_get_session_id(), 0, 0, $filepath, $dir , $this->name);
  4784. } else {
  4785. $folder = true;
  4786. }
  4787. $dir = $dir.'/';
  4788. if ($folder) {
  4789. $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document'.$dir;
  4790. }
  4791. }
  4792. $array = array('dir' => $dir, 'filepath' => $filepath);
  4793. return $array;
  4794. }
  4795. /**
  4796. * Create a new document //still needs some finetuning
  4797. * @param array $_course
  4798. * @return string
  4799. */
  4800. public function create_document($_course) {
  4801. $course_id = api_get_course_int_id();
  4802. global $charset;
  4803. $dir = isset ($_GET['dir']) ? $_GET['dir'] : $_POST['dir']; // Please, do not modify this dirname formatting.
  4804. if (strstr($dir, '..'))
  4805. $dir = '/';
  4806. if ($dir[0] == '.')
  4807. $dir = substr($dir, 1);
  4808. if ($dir[0] != '/')
  4809. $dir = '/' . $dir;
  4810. if ($dir[strlen($dir) - 1] != '/')
  4811. $dir .= '/';
  4812. $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $dir;
  4813. if (empty($_POST['dir']) && empty($_GET['dir'])) {
  4814. $result = $this->generate_lp_folder($_course, $dir);
  4815. $dir = $result['dir'];
  4816. $filepath = $result['filepath'];
  4817. }
  4818. if (!is_dir($filepath)) {
  4819. $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
  4820. $dir = '/';
  4821. }
  4822. // stripslashes() before calling replace_dangerous_char() because $_POST['title']
  4823. // is already escaped twice when it gets here.
  4824. $title = replace_dangerous_char(stripslashes($_POST['title']));
  4825. $title = disable_dangerous_file($title);
  4826. $filename = $title;
  4827. $content = $_POST['content_lp'];
  4828. $tmp_filename = $filename;
  4829. $i = 0;
  4830. while (file_exists($filepath . $tmp_filename . '.html'))
  4831. $tmp_filename = $filename . '_' . ++ $i;
  4832. $filename = $tmp_filename . '.html';
  4833. $content = stripslashes($content);
  4834. $content = str_replace(api_get_path(WEB_COURSE_PATH), api_get_path(REL_PATH).'courses/', $content);
  4835. // Change the path of mp3 to absolute.
  4836. // The first regexp deals with ../../../ urls.
  4837. $content = preg_replace("|(flashvars=\"file=)(\.+/)+|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/', $content);
  4838. // The second regexp deals with audio/ urls.
  4839. $content = preg_replace("|(flashvars=\"file=)([^/]+)/|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/$2/', $content);
  4840. // For flv player: To prevent edition problem with firefox, we have to use a strange tip (don't blame me please).
  4841. $content = str_replace('</body>', '<style type="text/css">body{}</style></body>', $content);
  4842. if (!file_exists($filepath . $filename)) {
  4843. if ($fp = @ fopen($filepath . $filename, 'w')) {
  4844. fputs($fp, $content);
  4845. fclose($fp);
  4846. $file_size = filesize($filepath . $filename);
  4847. $save_file_path = $dir.$filename;
  4848. $document_id = add_document($_course, $save_file_path, 'file', $file_size, $tmp_filename);
  4849. if ($document_id) {
  4850. api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', api_get_user_id(), null, null, null, null, api_get_session_id());
  4851. $new_comment = (isset($_POST['comment'])) ? trim($_POST['comment']) : '';
  4852. $new_title = (isset($_POST['title'])) ? trim($_POST['title']) : '';
  4853. if ($new_comment || $new_title) {
  4854. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  4855. $ct = '';
  4856. if ($new_comment)
  4857. $ct .= ", comment='" . Database::escape_string($new_comment). "'";
  4858. if ($new_title)
  4859. $ct .= ", title='" . Database :: escape_string(htmlspecialchars($new_title, ENT_QUOTES, $charset))."' ";
  4860. $sql_update = "UPDATE " . $tbl_doc ." SET " . substr($ct, 1)." WHERE c_id = ".$course_id." AND id = " . $document_id;
  4861. Database::query($sql_update);
  4862. }
  4863. }
  4864. return $document_id;
  4865. }
  4866. }
  4867. }
  4868. /**
  4869. * Edit a document based on $_POST and $_GET parameters 'dir' and 'path'
  4870. * @param array $_course array
  4871. * @return void
  4872. */
  4873. public function edit_document($_course) {
  4874. $course_id = api_get_course_int_id();
  4875. global $_configuration;
  4876. $dir = isset ($_GET['dir']) ? $_GET['dir'] : $_POST['dir']; // Please, do not modify this dirname formatting.
  4877. if (strstr($dir, '..'))
  4878. $dir = '/';
  4879. if ($dir[0] == '.')
  4880. $dir = substr($dir, 1);
  4881. if ($dir[0] != '/')
  4882. $dir = '/' . $dir;
  4883. if ($dir[strlen($dir) - 1] != '/')
  4884. $dir .= '/';
  4885. $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $dir;
  4886. if (!is_dir($filepath)) {
  4887. $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
  4888. $dir = '/';
  4889. }
  4890. $table_doc = Database :: get_course_table(TABLE_DOCUMENT);
  4891. if (isset($_POST['path']) && !empty($_POST['path'])) {
  4892. $document_id = intval($_POST['path']);
  4893. $sql = "SELECT path FROM " . $table_doc . " WHERE c_id = $course_id AND id = " . $document_id;
  4894. $res = Database::query($sql);
  4895. $row = Database :: fetch_array($res);
  4896. $content = stripslashes($_POST['content_lp']);
  4897. $file = $filepath . $row['path'];
  4898. if ($fp = @ fopen($file, 'w')) {
  4899. $content = text_filter($content);
  4900. $content = str_replace(api_get_path(WEB_COURSE_PATH), $_configuration['url_append'] . '/courses/', $content);
  4901. // Change the path of mp3 to absolute.
  4902. // The first regexp deals with ../../../ urls.
  4903. $content = preg_replace("|(flashvars=\"file=)(\.+/)+|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/', $content);
  4904. // The second regexp deals with audio/ urls.
  4905. $content = preg_replace("|(flashvars=\"file=)([^/]+)/|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/$2/', $content);
  4906. fputs($fp, $content);
  4907. fclose($fp);
  4908. $sql_update = "UPDATE " . $table_doc ." SET title='".Database::escape_string($_POST['title'])."' WHERE c_id = ".$course_id." AND id = " . $document_id;
  4909. Database::query($sql_update);
  4910. }
  4911. }
  4912. }
  4913. /**
  4914. * Displays the selected item, with a panel for manipulating the item
  4915. * @param int $item_id
  4916. * @param string $msg
  4917. * @return string
  4918. */
  4919. public function display_item($item_id, $iframe = true, $msg = '') {
  4920. $course_id = api_get_course_int_id();
  4921. global $_course; // It will disappear.
  4922. $return = '';
  4923. if (is_numeric($item_id)) {
  4924. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  4925. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  4926. $sql = "SELECT lp.* FROM " . $tbl_lp_item . " as lp
  4927. WHERE c_id = ".$course_id." AND lp.id = " . Database :: escape_string($item_id);
  4928. $result = Database::query($sql);
  4929. while ($row = Database :: fetch_array($result,'ASSOC')) {
  4930. $_SESSION['parent_item_id'] = ($row['item_type'] == 'dokeos_chapter' || $row['item_type'] == 'dokeos_module' || $row['item_type'] == 'dir') ? $item_id : 0;
  4931. // Prevents wrong parent selection for document, see Bug#1251.
  4932. if ($row['item_type'] != 'dokeos_chapter' || $row['item_type'] != 'dokeos_module') {
  4933. $_SESSION['parent_item_id'] = $row['parent_item_id'];
  4934. }
  4935. $return .= $this->display_manipulate($item_id, $row['item_type']);
  4936. $return .= '<div style="padding:10px;">';
  4937. if ($msg != '')
  4938. $return .= $msg;
  4939. $return .= '<h3>'.$row['title'].'</h3>';
  4940. //var_dump($row);
  4941. switch ($row['item_type']) {
  4942. case TOOL_QUIZ:
  4943. if (!empty($row['path'])) {
  4944. require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.class.php';
  4945. $exercise = new Exercise();
  4946. $exercise->read($row['path']);
  4947. $return .= $exercise->description.'<br />';
  4948. }
  4949. break;
  4950. case TOOL_DOCUMENT:
  4951. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  4952. $sql_doc = "SELECT path FROM " . $tbl_doc . " WHERE c_id = ".$course_id." AND id = " . Database :: escape_string($row['path']);
  4953. $result = Database::query($sql_doc);
  4954. $path_file = Database::result($result, 0, 0);
  4955. $path_parts = pathinfo($path_file);
  4956. // TODO: Correct the following naive comparisons, also, htm extension is missing.
  4957. if (in_array($path_parts['extension'], array (
  4958. 'html',
  4959. 'txt',
  4960. 'png',
  4961. 'jpg',
  4962. 'JPG',
  4963. 'jpeg',
  4964. 'JPEG',
  4965. 'gif',
  4966. 'swf'
  4967. ))) {
  4968. $return .= $this->display_document($row['path'], true, true);
  4969. }
  4970. break;
  4971. }
  4972. $return .= '</div>';
  4973. }
  4974. }
  4975. return $return;
  4976. }
  4977. /**
  4978. * Shows the needed forms for editing a specific item
  4979. * @param int $item_id
  4980. * @return string
  4981. */
  4982. public function display_edit_item($item_id) {
  4983. global $_course; // It will disappear.
  4984. $course_id = api_get_course_int_id();
  4985. $return = '';
  4986. if (is_numeric($item_id)) {
  4987. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  4988. $sql = "SELECT * FROM $tbl_lp_item WHERE c_id = ".$course_id." AND id = " . Database :: escape_string($item_id);
  4989. $res = Database::query($sql);
  4990. $row = Database::fetch_array($res);
  4991. switch ($row['item_type']) {
  4992. case 'dokeos_chapter' :
  4993. case 'dir' :
  4994. case 'asset' :
  4995. case 'sco' :
  4996. if (isset ($_GET['view']) && $_GET['view'] == 'build') {
  4997. $return .= $this->display_manipulate($item_id, $row['item_type']);
  4998. $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentChapter') . ' :', 'edit', $item_id, $row);
  4999. } else {
  5000. $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentChapter') . ' :', $row);
  5001. }
  5002. break;
  5003. case TOOL_DOCUMENT :
  5004. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  5005. $sql_step = " SELECT lp.*, doc.path as dir
  5006. FROM " . $tbl_lp_item . " as lp
  5007. LEFT JOIN " . $tbl_doc . " as doc ON doc.id = lp.path
  5008. WHERE lp.c_id = $course_id AND
  5009. doc.c_id = $course_id AND
  5010. lp.id = " . Database :: escape_string($item_id);
  5011. $res_step = Database::query($sql_step);
  5012. $row_step = Database :: fetch_array($res_step);
  5013. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5014. $return .= $this->display_document_form('edit', $item_id, $row_step);
  5015. break;
  5016. case TOOL_LINK :
  5017. $link_id = (string) $row['path'];
  5018. if (ctype_digit($link_id)) {
  5019. $tbl_link = Database :: get_course_table(TABLE_LINK);
  5020. $sql_select = 'SELECT url FROM ' . $tbl_link . ' WHERE c_id = '.$course_id.' AND id = ' . Database :: escape_string($link_id);
  5021. $res_link = Database::query($sql_select);
  5022. $row_link = Database :: fetch_array($res_link);
  5023. if (is_array($row_link)) {
  5024. $row['url'] = $row_link['url'];
  5025. }
  5026. }
  5027. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5028. $return .= $this->display_link_form('edit', $item_id, $row);
  5029. break;
  5030. case 'dokeos_module' :
  5031. if (isset ($_GET['view']) && $_GET['view'] == 'build') {
  5032. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5033. $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentModule') . ' :', 'edit', $item_id, $row);
  5034. } else {
  5035. $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentModule') . ' :', $row);
  5036. }
  5037. break;
  5038. case TOOL_QUIZ :
  5039. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5040. $return .= $this->display_quiz_form('edit', $item_id, $row);
  5041. break;
  5042. case TOOL_HOTPOTATOES :
  5043. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5044. $return .= $this->display_hotpotatoes_form('edit', $item_id, $row);
  5045. break;
  5046. case TOOL_STUDENTPUBLICATION :
  5047. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5048. $return .= $this->display_student_publication_form('edit', $item_id, $row);
  5049. break;
  5050. case TOOL_FORUM :
  5051. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5052. $return .= $this->display_forum_form('edit', $item_id, $row);
  5053. break;
  5054. case TOOL_THREAD :
  5055. $return .= $this->display_manipulate($item_id, $row['item_type']);
  5056. $return .= $this->display_thread_form('edit', $item_id, $row);
  5057. break;
  5058. }
  5059. }
  5060. return $return;
  5061. }
  5062. /**
  5063. * Function that displays a list with al the resources that could be added to the learning path
  5064. * @return string
  5065. */
  5066. public function display_resources() {
  5067. global $_course; // TODO: Don't use globals.
  5068. $course_code = api_get_course_id();
  5069. //Get all the docs
  5070. $documents = $this->get_documents();
  5071. //Get all the exercises
  5072. $exercises = $this->get_exercises();
  5073. // Get all the links
  5074. $links = $this->get_links();
  5075. //Get al the student publications
  5076. $works = $this->get_student_publications();
  5077. //Get al the forums
  5078. $forums = $this->get_forums(null, $course_code);
  5079. $headers = array( Display::return_icon('folder_document.png', get_lang('Documents'), array(), 64),
  5080. Display::return_icon('quiz.png', get_lang('Quiz'), array(), 64),
  5081. Display::return_icon('links.png', get_lang('Links'), array(), 64),
  5082. Display::return_icon('works.png', get_lang('Works'), array(), 64),
  5083. Display::return_icon('forum.png', get_lang('Forums'), array(), 64),
  5084. Display::return_icon('add_learnpath_section.png', get_lang('NewChapter'), array(), 64)
  5085. );
  5086. $chapter = $_SESSION['oLP']->display_item_form('chapter', get_lang('EnterDataNewChapter'), 'add_item');
  5087. echo Display::tabs($headers, array($documents, $exercises, $links, $works, $forums, $chapter), 'resource_tab');
  5088. return true;
  5089. }
  5090. /**
  5091. * Returns the extension of a document
  5092. * @param string filename
  5093. * @return string Extension (part after the last dot)
  5094. */
  5095. public function get_extension($filename) {
  5096. $explode = explode('.', $filename);
  5097. return $explode[count($explode) - 1];
  5098. }
  5099. /**
  5100. * Displays a document by id
  5101. *
  5102. * @param unknown_type $id
  5103. * @return unknown
  5104. */
  5105. public function display_document($id, $show_title = false, $iframe = true, $edit_link = false) {
  5106. global $_course; // It is temporary.
  5107. $course_id = api_get_course_int_id();
  5108. $return = '';
  5109. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  5110. $sql_doc = "SELECT * FROM " . $tbl_doc . "
  5111. WHERE c_id = ".$course_id." AND id = " . $id;
  5112. $res_doc = Database::query($sql_doc);
  5113. $row_doc = Database :: fetch_array($res_doc);
  5114. //if ($show_title)
  5115. //$return .= '<p class="lp_title">' . $row_doc['title'] . ($edit_link ? ' [ <a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&amp;action=add_item&amp;type=' . TOOL_DOCUMENT . '&amp;file=' . $_GET['file'] . '&amp;edit=true&amp;lp_id=' . $_GET['lp_id'] . '">Edit this document</a> ]' : '') . '</p>';
  5116. // TODO: Add a path filter.
  5117. if ($iframe) {
  5118. $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>';
  5119. } else {
  5120. $return .= file_get_contents(api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $row_doc['path']);
  5121. }
  5122. return $return;
  5123. }
  5124. /**
  5125. * Return HTML form to add/edit a quiz
  5126. * @param string Action (add/edit)
  5127. * @param integer Item ID if already exists
  5128. * @param mixed Extra information (quiz ID if integer)
  5129. * @return string HTML form
  5130. */
  5131. public function display_quiz_form($action = 'add', $id = 0, $extra_info = '') {
  5132. $course_id = api_get_course_int_id();
  5133. global $charset;
  5134. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  5135. $tbl_quiz = Database :: get_course_table(TABLE_QUIZ_TEST);
  5136. if ($id != 0 && is_array($extra_info)) {
  5137. $item_title = $extra_info['title'];
  5138. $item_description = $extra_info['description'];
  5139. } elseif (is_numeric($extra_info)) {
  5140. $sql_quiz = "SELECT title, description FROM " . $tbl_quiz . " WHERE c_id = ".$course_id." AND id = " . $extra_info;
  5141. $result = Database::query($sql_quiz);
  5142. $row = Database :: fetch_array($result);
  5143. $item_title = $row['title'];
  5144. $item_description = $row['description'];
  5145. } else {
  5146. $item_title = '';
  5147. $item_description = '';
  5148. }
  5149. $item_title = Security::remove_XSS($item_title);
  5150. $item_description = Security::remove_XSS($item_description);
  5151. $legend = '<legend>';
  5152. if ($id != 0 && is_array($extra_info))
  5153. $parent = $extra_info['parent_item_id'];
  5154. else
  5155. $parent = 0;
  5156. $sql = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  5157. $result = Database::query($sql);
  5158. $arrLP = array ();
  5159. while ($row = Database :: fetch_array($result)) {
  5160. $arrLP[] = array (
  5161. 'id' => $row['id'],
  5162. 'item_type' => $row['item_type'],
  5163. 'title' => $row['title'],
  5164. 'path' => $row['path'],
  5165. 'description' => $row['description'],
  5166. 'parent_item_id' => $row['parent_item_id'],
  5167. 'previous_item_id' => $row['previous_item_id'],
  5168. 'next_item_id' => $row['next_item_id'],
  5169. 'display_order' => $row['display_order'],
  5170. 'max_score' => $row['max_score'],
  5171. 'min_score' => $row['min_score'],
  5172. 'mastery_score' => $row['mastery_score'],
  5173. 'prerequisite' => $row['prerequisite'],
  5174. 'max_time_allowed' => $row['max_time_allowed']
  5175. );
  5176. }
  5177. $this->tree_array($arrLP);
  5178. $arrLP = $this->arrMenu;
  5179. unset ($this->arrMenu);
  5180. if ($action == 'add')
  5181. $legend .= get_lang('CreateTheExercise') . '&nbsp;:';
  5182. elseif ($action == 'move') $legend .= get_lang('MoveTheCurrentExercise') . '&nbsp;:';
  5183. else
  5184. $legend .= get_lang('EditCurrentExecice') . '&nbsp;:';
  5185. if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
  5186. $legend .= Display :: return_warning_message(get_lang('Warning') . ' ! ' . get_lang('WarningEditingDocument'));
  5187. }
  5188. $legend .= '</legend>';
  5189. $return .= '<div class="sectioncomment">';
  5190. $return .= '<form method="POST">';
  5191. $return .= $legend;
  5192. $return .= '<table class="lp_form">';
  5193. if ($action != 'move') {
  5194. $return .= '<tr>';
  5195. $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
  5196. $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" class="learnpath_item_form" value="' . $item_title . '" /></td>';
  5197. $return .= '</tr>';
  5198. }
  5199. $return .= '<tr>';
  5200. $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
  5201. $return .= '<td class="input">';
  5202. $return .= '<select id="idParent" style="width:100%;" name="parent" onChange="javascript: load_cbo(this.value);" class="learnpath_item_form" size="1">';
  5203. $return .= '<option class="top" value="0">' . $this->name . '</option>';
  5204. $arrHide = array (
  5205. $id
  5206. );
  5207. //$parent_item_id = $_SESSION['parent_item_id'];
  5208. for ($i = 0; $i < count($arrLP); $i++) {
  5209. if ($action != 'add') {
  5210. 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)) {
  5211. $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5212. } else {
  5213. $arrHide[] = $arrLP[$i]['id'];
  5214. }
  5215. } else {
  5216. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
  5217. $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5218. }
  5219. }
  5220. if (is_array($arrLP)) {
  5221. reset($arrLP);
  5222. }
  5223. $return .= '</select>';
  5224. $return .= '</td>';
  5225. $return .= '</tr>';
  5226. $return .= '<tr>';
  5227. $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
  5228. $return .= '<td class="input">';
  5229. $return .= '<select class="learnpath_item_form" style="width:100%;" id="previous" name="previous" size="1">';
  5230. $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
  5231. for ($i = 0; $i < count($arrLP); $i++) {
  5232. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  5233. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5234. $selected = 'selected="selected" ';
  5235. elseif ($action == 'add') $selected = 'selected="selected" ';
  5236. else
  5237. $selected = '';
  5238. $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
  5239. }
  5240. }
  5241. $return .= '</select>';
  5242. $return .= '</td>';
  5243. $return .= '</tr>';
  5244. if ($action != 'move') {
  5245. $id_prerequisite = 0;
  5246. if (is_array($arrLP)) {
  5247. foreach ($arrLP as $key => $value) {
  5248. if ($value['id'] == $id) {
  5249. $id_prerequisite = $value['prerequisite'];
  5250. break;
  5251. }
  5252. }
  5253. }
  5254. $arrHide = array ();
  5255. for ($i = 0; $i < count($arrLP); $i++) {
  5256. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  5257. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5258. $s_selected_position = $arrLP[$i]['id'];
  5259. elseif ($action == 'add') $s_selected_position = 0;
  5260. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  5261. }
  5262. }
  5263. /*// Commented the prerequisites, only visible in edit (exercise).
  5264. $return .= '<tr>';
  5265. $return .= '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>';
  5266. $return .= '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang('NoPrerequisites').'</option>';
  5267. foreach($arrHide as $key => $value){
  5268. if($key==$s_selected_position && $action == 'add'){
  5269. $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
  5270. }
  5271. elseif($key==$id_prerequisite && $action == 'edit'){
  5272. $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
  5273. }
  5274. else{
  5275. $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
  5276. }
  5277. }
  5278. $return .= "</select></td>";
  5279. */
  5280. $return .= '</tr>';
  5281. /*$return .= '<tr>';
  5282. $return .= '<td class="label"><label for="maxTimeAllowed">' . get_lang('MaxTimeAllowed') . '</label></td>';
  5283. $return .= '<td class="input"><input name="maxTimeAllowed" style="width:98%;" id="maxTimeAllowed" value="' . $extra_info['max_time_allowed'] . '" /></td>';
  5284. // Remove temporarily the test description.
  5285. //$return .= '<td class="label"><label for="idDescription">'.get_lang('Description').' :</label></td>';
  5286. //$return .= '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>';
  5287. $return .= '</tr>'; */
  5288. }
  5289. $return .= '<tr>';
  5290. if ($action == 'add') {
  5291. $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('AddExercise') . '</button></td>';
  5292. } else {
  5293. $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('EditCurrentExecice') . '</button></td>';
  5294. }
  5295. $return .= '</tr>';
  5296. $return .= '</table>';
  5297. if ($action == 'move') {
  5298. $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
  5299. $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
  5300. }
  5301. if (is_numeric($extra_info)) {
  5302. $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
  5303. }
  5304. elseif (is_array($extra_info)) {
  5305. $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
  5306. }
  5307. $return .= '<input name="type" type="hidden" value="' . TOOL_QUIZ . '" />';
  5308. $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
  5309. $return .= '</form>';
  5310. $return .= '</div>';
  5311. return $return;
  5312. }
  5313. /**
  5314. * Addition of Hotpotatoes tests
  5315. * @param string Action
  5316. * @param integer Internal ID of the item
  5317. * @param mixed Extra information - can be an array with title and description indexes
  5318. * @return string HTML structure to display the hotpotatoes addition formular
  5319. */
  5320. public function display_hotpotatoes_form($action = 'add', $id = 0, $extra_info = '') {
  5321. $course_id = api_get_course_int_id();
  5322. global $charset;
  5323. $uploadPath = DIR_HOTPOTATOES; //defined in main_api
  5324. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  5325. if ($id != 0 && is_array($extra_info)) {
  5326. $item_title = stripslashes($extra_info['title']);
  5327. $item_description = stripslashes($extra_info['description']);
  5328. } elseif (is_numeric($extra_info)) {
  5329. $TBL_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT);
  5330. $sql_hot = "SELECT * FROM " . $TBL_DOCUMENT . "
  5331. WHERE c_id = ".$course_id." AND
  5332. path LIKE '" . $uploadPath . "/%/%htm%' AND
  5333. id = " . (int) $extra_info . "
  5334. ORDER BY id ASC";
  5335. $res_hot = Database::query($sql_hot);
  5336. $row = Database::fetch_array($res_hot);
  5337. $item_title = $row['title'];
  5338. $item_description = $row['description'];
  5339. if (!empty ($row['comment'])) {
  5340. $item_title = $row['comment'];
  5341. }
  5342. } else {
  5343. $item_title = '';
  5344. $item_description = '';
  5345. }
  5346. if ($id != 0 && is_array($extra_info))
  5347. $parent = $extra_info['parent_item_id'];
  5348. else
  5349. $parent = 0;
  5350. $sql = "SELECT * FROM $tbl_lp_item WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  5351. $result = Database::query($sql);
  5352. $arrLP = array ();
  5353. while ($row = Database :: fetch_array($result)) {
  5354. $arrLP[] = array (
  5355. 'id' => $row['id'],
  5356. 'item_type' => $row['item_type'],
  5357. 'title' => $row['title'],
  5358. 'path' => $row['path'],
  5359. 'description' => $row['description'],
  5360. 'parent_item_id' => $row['parent_item_id'],
  5361. 'previous_item_id' => $row['previous_item_id'],
  5362. 'next_item_id' => $row['next_item_id'],
  5363. 'display_order' => $row['display_order'],
  5364. 'max_score' => $row['max_score'],
  5365. 'min_score' => $row['min_score'],
  5366. 'mastery_score' => $row['mastery_score'],
  5367. 'prerequisite' => $row['prerequisite'],
  5368. 'max_time_allowed' => $row['max_time_allowed']
  5369. );
  5370. }
  5371. $legend = '<legend>';
  5372. if ($action == 'add')
  5373. $legend .= get_lang('CreateTheExercise');
  5374. elseif ($action == 'move') $legend .= get_lang('MoveTheCurrentExercise');
  5375. else
  5376. $legend .= get_lang('EditCurrentExecice');
  5377. if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
  5378. $legend .= Display :: return_warning_message(get_lang('Warning') . ' ! ' . get_lang('WarningEditingDocument'));
  5379. }
  5380. $legend .= '</legend>';
  5381. $return .= '<form method="POST">';
  5382. $return .= $legend;
  5383. $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
  5384. $return .= '<tr>';
  5385. $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . ' :</label></td>';
  5386. $return .= '<td class="input">';
  5387. $return .= '<select id="idParent" name="parent" onChange="javascript: load_cbo(this.value);" size="1">';
  5388. $return .= '<option class="top" value="0">' . $this->name . '</option>';
  5389. $arrHide = array (
  5390. $id
  5391. );
  5392. if (count($arrLP) > 0) {
  5393. for ($i = 0; $i < count($arrLP); $i++) {
  5394. if ($action != 'add') {
  5395. 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)) {
  5396. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5397. } else {
  5398. $arrHide[] = $arrLP[$i]['id'];
  5399. }
  5400. } else {
  5401. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
  5402. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5403. }
  5404. }
  5405. reset($arrLP);
  5406. }
  5407. $return .= "\t\t\t\t" . '</select>';
  5408. $return .= '</td>';
  5409. $return .= '</tr>';
  5410. $return .= '<tr>';
  5411. $return .= '<td class="label"><label for="previous">' . get_lang('Position') . ' :</label></td>';
  5412. $return .= '<td class="input">';
  5413. $return .= "\t\t\t\t" . '<select id="previous" name="previous" size="1">';
  5414. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
  5415. for ($i = 0; $i < count($arrLP); $i++) {
  5416. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  5417. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5418. $selected = 'selected="selected" ';
  5419. elseif ($action == 'add') $selected = 'selected="selected" ';
  5420. else
  5421. $selected = '';
  5422. $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
  5423. }
  5424. }
  5425. $return .= "\t\t\t\t" . '</select>';
  5426. $return .= '</td>';
  5427. $return .= '</tr>';
  5428. if ($action != 'move') {
  5429. $return .= '<tr>';
  5430. $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . ' :</label></td>';
  5431. $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>';
  5432. $return .= '</tr>';
  5433. $id_prerequisite = 0;
  5434. if (is_array($arrLP) && count($arrLP) > 0) {
  5435. foreach ($arrLP as $key => $value) {
  5436. if ($value['id'] == $id) {
  5437. $id_prerequisite = $value['prerequisite'];
  5438. break;
  5439. }
  5440. }
  5441. $arrHide = array ();
  5442. for ($i = 0; $i < count($arrLP); $i++) {
  5443. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  5444. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5445. $s_selected_position = $arrLP[$i]['id'];
  5446. elseif ($action == 'add') $s_selected_position = 0;
  5447. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  5448. }
  5449. }
  5450. }
  5451. //$return .= '<tr>';
  5452. //$return .= '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').' :</label></td>';
  5453. //$return .= '<td class="input"><select name="prerequisites" id="prerequisites"><option value="0">'.get_lang('NoPrerequisites').'</option>';
  5454. /*
  5455. foreach ($arrHide as $key => $value) {
  5456. if ($key == $s_selected_position && $action == 'add') {
  5457. $return .= '<option value="' . $key . '" selected="selected">' . $value['value'] . '</option>';
  5458. }
  5459. elseif ($key == $id_prerequisite && $action == 'edit') {
  5460. $return .= '<option value="' . $key . '" selected="selected">' . $value['value'] . '</option>';
  5461. } else {
  5462. $return .= '<option value="' . $key . '">' . $value['value'] . '</option>';
  5463. }
  5464. }
  5465. */
  5466. //$return .= "</select></td>";
  5467. //$return .= '</tr>';
  5468. //$return .= '<tr>';
  5469. //$return .= '</tr>';
  5470. }
  5471. $return .= '<tr>';
  5472. $return .= '<td>&nbsp; </td><td><button class="save" name="submit_button" action="edit" type="submit">' . get_lang('SaveHotpotatoes') . '</button></td>';
  5473. $return .= '</tr>';
  5474. $return .= '</table>';
  5475. if ($action == 'move') {
  5476. $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
  5477. $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
  5478. }
  5479. if (is_numeric($extra_info)) {
  5480. $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
  5481. }
  5482. elseif (is_array($extra_info)) {
  5483. $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
  5484. }
  5485. $return .= '<input name="type" type="hidden" value="' . TOOL_HOTPOTATOES . '" />';
  5486. $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
  5487. $return .= '</form>';
  5488. return $return;
  5489. }
  5490. /**
  5491. * Return the form to display the forum edit/add option
  5492. * @param string Action (add/edit)
  5493. * @param integer ID of the lp_item if already exists
  5494. * @param mixed Forum ID or title
  5495. * @return string HTML form
  5496. */
  5497. public function display_forum_form($action = 'add', $id = 0, $extra_info = '') {
  5498. $course_id = api_get_course_int_id();
  5499. global $charset;
  5500. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  5501. $tbl_forum = Database :: get_course_table(TABLE_FORUM);
  5502. if ($id != 0 && is_array($extra_info)) {
  5503. $item_title = stripslashes($extra_info['title']);
  5504. }
  5505. elseif (is_numeric($extra_info)) {
  5506. $sql_forum = "SELECT forum_title as title, forum_comment as comment
  5507. FROM " . $tbl_forum . "
  5508. WHERE c_id = ".$course_id." AND forum_id = " . $extra_info;
  5509. $result = Database::query($sql_forum);
  5510. $row = Database :: fetch_array($result);
  5511. $item_title = $row['title'];
  5512. $item_description = $row['comment'];
  5513. } else {
  5514. $item_title = '';
  5515. $item_description = '';
  5516. }
  5517. $legend = '<legend>';
  5518. if ($id != 0 && is_array($extra_info))
  5519. $parent = $extra_info['parent_item_id'];
  5520. else
  5521. $parent = 0;
  5522. $sql = "SELECT * FROM " . $tbl_lp_item . "
  5523. WHERE c_id = ".$course_id." AND
  5524. lp_id = " . $this->lp_id;
  5525. $result = Database::query($sql);
  5526. $arrLP = array ();
  5527. while ($row = Database :: fetch_array($result)) {
  5528. $arrLP[] = array (
  5529. 'id' => $row['id'],
  5530. 'item_type' => $row['item_type'],
  5531. 'title' => $row['title'],
  5532. 'path' => $row['path'],
  5533. 'description' => $row['description'],
  5534. 'parent_item_id' => $row['parent_item_id'],
  5535. 'previous_item_id' => $row['previous_item_id'],
  5536. 'next_item_id' => $row['next_item_id'],
  5537. 'display_order' => $row['display_order'],
  5538. 'max_score' => $row['max_score'],
  5539. 'min_score' => $row['min_score'],
  5540. 'mastery_score' => $row['mastery_score'],
  5541. 'prerequisite' => $row['prerequisite']
  5542. );
  5543. }
  5544. $this->tree_array($arrLP);
  5545. $arrLP = $this->arrMenu;
  5546. unset ($this->arrMenu);
  5547. if ($action == 'add')
  5548. $legend .= get_lang('CreateTheForum') . '&nbsp;:';
  5549. elseif ($action == 'move') $legend .= get_lang('MoveTheCurrentForum') . '&nbsp;:';
  5550. else
  5551. $legend .= get_lang('EditCurrentForum') . '&nbsp;:';
  5552. $legend .= '</legend>';
  5553. $return .= '<div class="sectioncomment">';
  5554. $return .= '<form method="POST">';
  5555. $return .= $legend;
  5556. $return .= '<table class="lp_form">';
  5557. if ($action != 'move') {
  5558. $return .= '<tr>';
  5559. $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
  5560. $return .= '<td class="input"><input id="idTitle" size="44" name="title" type="text" value="' . $item_title . '" class="learnpath_item_form" /></td>';
  5561. $return .= '</tr>';
  5562. }
  5563. $return .= '<tr>';
  5564. $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
  5565. $return .= '<td class="input">';
  5566. $return .= '<select id="idParent" style="width:100%;" name="parent" onChange="javascript: load_cbo(this.value);" class="learnpath_item_form" size="1">';
  5567. $return .= '<option class="top" value="0">' . $this->name . '</option>';
  5568. $arrHide = array (
  5569. $id
  5570. );
  5571. //$parent_item_id = $_SESSION['parent_item_id'];
  5572. for ($i = 0; $i < count($arrLP); $i++) {
  5573. if ($action != 'add') {
  5574. 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)) {
  5575. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5576. } else {
  5577. $arrHide[] = $arrLP[$i]['id'];
  5578. }
  5579. } else {
  5580. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
  5581. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5582. }
  5583. }
  5584. if (is_array($arrLP)) {
  5585. reset($arrLP);
  5586. }
  5587. $return .= "\t\t\t\t" . '</select>';
  5588. $return .= '</td>';
  5589. $return .= '</tr>';
  5590. $return .= '<tr>';
  5591. $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
  5592. $return .= '<td class="input">';
  5593. $return .= "\t\t\t\t" . '<select id="previous" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
  5594. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
  5595. for ($i = 0; $i < count($arrLP); $i++) {
  5596. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  5597. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5598. $selected = 'selected="selected" ';
  5599. elseif ($action == 'add') $selected = 'selected="selected" ';
  5600. else
  5601. $selected = '';
  5602. $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
  5603. }
  5604. }
  5605. $return .= "\t\t\t\t" . '</select>';
  5606. $return .= '</td>';
  5607. $return .= '</tr>';
  5608. if ($action != 'move') {
  5609. $return .= '<tr>';
  5610. $return .= '</tr>';
  5611. $id_prerequisite = 0;
  5612. if (is_array($arrLP)) {
  5613. foreach ($arrLP as $key => $value) {
  5614. if ($value['id'] == $id) {
  5615. $id_prerequisite = $value['prerequisite'];
  5616. break;
  5617. }
  5618. }
  5619. }
  5620. $arrHide = array ();
  5621. for ($i = 0; $i < count($arrLP); $i++) {
  5622. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  5623. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5624. $s_selected_position = $arrLP[$i]['id'];
  5625. elseif ($action == 'add') $s_selected_position = 0;
  5626. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  5627. }
  5628. }
  5629. $return .= '</tr>';
  5630. }
  5631. $return .= '<tr>';
  5632. if ($action == 'add') {
  5633. $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit"> ' . get_lang('AddForumToCourse') . ' </button></td>';
  5634. } else {
  5635. $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit"> ' . get_lang('EditCurrentForum') . ' </button></td>';
  5636. }
  5637. $return .= '</tr>';
  5638. $return .= '</table>';
  5639. if ($action == 'move') {
  5640. $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
  5641. $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
  5642. }
  5643. if (is_numeric($extra_info)) {
  5644. $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
  5645. }
  5646. elseif (is_array($extra_info)) {
  5647. $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
  5648. }
  5649. $return .= '<input name="type" type="hidden" value="' . TOOL_FORUM . '" />';
  5650. $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
  5651. $return .= '</form>';
  5652. $return .= '</div>';
  5653. return $return;
  5654. }
  5655. /**
  5656. * Return HTML form to add/edit forum threads
  5657. * @param string Action (add/edit)
  5658. * @param integer Item ID if already exists in learning path
  5659. * @param mixed Extra information (thread ID if integer)
  5660. * @return string HTML form
  5661. */
  5662. public function display_thread_form($action = 'add', $id = 0, $extra_info = '') {
  5663. $course_id = api_get_course_int_id();
  5664. global $charset;
  5665. echo '<style>
  5666. div.row div.label {
  5667. width:110px;
  5668. }
  5669. div.row div.formw {
  5670. width: 82%;
  5671. }
  5672. </style>';
  5673. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  5674. $tbl_forum = Database :: get_course_table(TABLE_FORUM_THREAD);
  5675. if ($id != 0 && is_array($extra_info)) {
  5676. $item_title = stripslashes($extra_info['title']);
  5677. }
  5678. elseif (is_numeric($extra_info)) {
  5679. $sql_forum = "SELECT thread_title as title
  5680. FROM " . $tbl_forum . "
  5681. WHERE c_id = ".$course_id." AND thread_id = " . $extra_info;
  5682. $result = Database::query($sql_forum);
  5683. $row = Database :: fetch_array($result);
  5684. $item_title = $row['title'];
  5685. $item_description = '';
  5686. } else {
  5687. $item_title = '';
  5688. $item_description = '';
  5689. }
  5690. $return = '<div style="">';
  5691. if ($id != 0 && is_array($extra_info))
  5692. $parent = $extra_info['parent_item_id'];
  5693. else
  5694. $parent = 0;
  5695. $sql = "SELECT * FROM " . $tbl_lp_item . "
  5696. WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  5697. $result = Database::query($sql);
  5698. $arrLP = array ();
  5699. while ($row = Database :: fetch_array($result)) {
  5700. $arrLP[] = array (
  5701. 'id' => $row['id'],
  5702. 'item_type' => $row['item_type'],
  5703. 'title' => $row['title'],
  5704. 'path' => $row['path'],
  5705. 'description' => $row['description'],
  5706. 'parent_item_id' => $row['parent_item_id'],
  5707. 'previous_item_id' => $row['previous_item_id'],
  5708. 'next_item_id' => $row['next_item_id'],
  5709. 'display_order' => $row['display_order'],
  5710. 'max_score' => $row['max_score'],
  5711. 'min_score' => $row['min_score'],
  5712. 'mastery_score' => $row['mastery_score'],
  5713. 'prerequisite' => $row['prerequisite']
  5714. );
  5715. }
  5716. $this->tree_array($arrLP);
  5717. $arrLP = $this->arrMenu;
  5718. unset ($this->arrMenu);
  5719. if ($action == 'add')
  5720. $return .= '<p class="lp_title">' . get_lang('CreateTheForum') . '&nbsp;:</p>';
  5721. elseif ($action == 'move') $return .= '<p class="lp_title">' . get_lang('MoveTheCurrentForum') . '&nbsp;:</p>';
  5722. else
  5723. $return .= '<p class="lp_title">' . get_lang('EditCurrentForum') . '&nbsp;:</p>';
  5724. $return .= '<form method="POST">';
  5725. $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
  5726. $return .= '<tr>';
  5727. $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '&nbsp;:</label></td>';
  5728. $return .= '<td class="input">';
  5729. $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onChange="javascript: load_cbo(this.value);" size="1">';
  5730. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
  5731. $arrHide = array (
  5732. $id
  5733. );
  5734. for ($i = 0; $i < count($arrLP); $i++) {
  5735. if ($action != 'add') {
  5736. 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)) {
  5737. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5738. } else {
  5739. $arrHide[] = $arrLP[$i]['id'];
  5740. }
  5741. } else {
  5742. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
  5743. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  5744. }
  5745. }
  5746. if ($arrLP != null) {
  5747. reset($arrLP);
  5748. }
  5749. $return .= "\t\t\t\t" . '</select>';
  5750. $return .= '</td>';
  5751. $return .= '</tr>';
  5752. $return .= '<tr>';
  5753. $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '&nbsp;:</label></td>';
  5754. $return .= '<td class="input">';
  5755. $return .= "\t\t\t\t" . '<select id="previous" name="previous" size="1">';
  5756. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
  5757. for ($i = 0; $i < count($arrLP); $i++) {
  5758. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  5759. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5760. $selected = 'selected="selected" ';
  5761. elseif ($action == 'add') $selected = 'selected="selected" ';
  5762. else
  5763. $selected = '';
  5764. $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
  5765. }
  5766. }
  5767. $return .= "\t\t\t\t" . '</select>';
  5768. $return .= '</td>';
  5769. $return .= '</tr>';
  5770. if ($action != 'move') {
  5771. $return .= '<tr>';
  5772. $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '&nbsp;:</label></td>';
  5773. $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>';
  5774. $return .= '</tr>';
  5775. $return .= '<tr>';
  5776. $return .= '</tr>';
  5777. $id_prerequisite = 0;
  5778. if ($arrLP != null) {
  5779. foreach ($arrLP as $key => $value) {
  5780. if ($value['id'] == $id) {
  5781. $id_prerequisite = $value['prerequisite'];
  5782. break;
  5783. }
  5784. }
  5785. }
  5786. $arrHide = array();
  5787. for ($i = 0; $i < count($arrLP); $i++) {
  5788. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  5789. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5790. $s_selected_position = $arrLP[$i]['id'];
  5791. elseif ($action == 'add') $s_selected_position = 0;
  5792. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  5793. }
  5794. }
  5795. $return .= '<tr>';
  5796. $return .= '<td class="label"><label for="idPrerequisites">' . get_lang('Prerequisites') . '&nbsp;:</label></td>';
  5797. $return .= '<td class="input"><select name="prerequisites" id="prerequisites"><option value="0">' . get_lang('NoPrerequisites') . '</option>';
  5798. foreach ($arrHide as $key => $value) {
  5799. if ($key == $s_selected_position && $action == 'add') {
  5800. $return .= '<option value="' . $key . '" selected="selected">' . $value['value'] . '</option>';
  5801. }
  5802. elseif ($key == $id_prerequisite && $action == 'edit') {
  5803. $return .= '<option value="' . $key . '" selected="selected">' . $value['value'] . '</option>';
  5804. } else {
  5805. $return .= '<option value="' . $key . '">' . $value['value'] . '</option>';
  5806. }
  5807. }
  5808. $return .= "</select></td>";
  5809. $return .= '</tr>';
  5810. }
  5811. $return .= '<tr>';
  5812. $return .= '<td colspan="2">
  5813. <button class="save" name="submit_button" type="submit" value="'.get_lang('Ok').'" />'.get_lang('Ok').'</button></td>';
  5814. $return .= '</tr>';
  5815. $return .= '</table>';
  5816. if ($action == 'move') {
  5817. $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
  5818. $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
  5819. }
  5820. if (is_numeric($extra_info)) {
  5821. $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
  5822. }
  5823. elseif (is_array($extra_info)) {
  5824. $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
  5825. }
  5826. $return .= '<input name="type" type="hidden" value="' . TOOL_THREAD . '" />';
  5827. $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
  5828. $return .= '</form>';
  5829. $return .= '</div>';
  5830. return $return;
  5831. }
  5832. /**
  5833. * Return the HTML form to display an item (generally a section/module item)
  5834. * @param string Item type (module/dokeos_module)
  5835. * @param string Title (optional, only when creating)
  5836. * @param string Action ('add'/'edit')
  5837. * @param integer lp_item ID
  5838. * @param mixed Extra info
  5839. * @return string HTML form
  5840. */
  5841. public function display_item_form($item_type, $title = '', $action = 'add_item', $id = 0, $extra_info = 'new') {
  5842. $course_id = api_get_course_int_id();
  5843. global $_course;
  5844. global $charset;
  5845. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  5846. if ($id != 0 && is_array($extra_info)) {
  5847. $item_title = $extra_info['title'];
  5848. $item_description = $extra_info['description'];
  5849. $item_path = api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/scorm/' . $this->path . '/' . stripslashes($extra_info['path']);
  5850. $item_path_fck = '/scorm/' . $this->path . '/' . stripslashes($extra_info['path']);
  5851. } else {
  5852. $item_title = '';
  5853. $item_description = '';
  5854. $item_path_fck = '';
  5855. }
  5856. $legend = '<legend>';
  5857. if ($id != 0 && is_array($extra_info))
  5858. $parent = $extra_info['parent_item_id'];
  5859. else
  5860. $parent = 0;
  5861. $id = intval($id);
  5862. $sql = "SELECT * FROM " . $tbl_lp_item . "
  5863. WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id . " AND id != $id";
  5864. if ($item_type == 'module')
  5865. $sql .= " AND parent_item_id = 0";
  5866. $result = Database::query($sql);
  5867. $arrLP = array ();
  5868. while ($row = Database :: fetch_array($result)) {
  5869. $arrLP[] = array (
  5870. 'id' => $row['id'],
  5871. 'item_type' => $row['item_type'],
  5872. 'title' => $row['title'],
  5873. 'path' => $row['path'],
  5874. 'description' => $row['description'],
  5875. 'parent_item_id' => $row['parent_item_id'],
  5876. 'previous_item_id' => $row['previous_item_id'],
  5877. 'next_item_id' => $row['next_item_id'],
  5878. 'max_score' => $row['max_score'],
  5879. 'min_score' => $row['min_score'],
  5880. 'mastery_score' => $row['mastery_score'],
  5881. 'prerequisite' => $row['prerequisite'],
  5882. 'display_order' => $row['display_order']
  5883. );
  5884. }
  5885. $this->tree_array($arrLP);
  5886. $arrLP = $this->arrMenu;
  5887. unset ($this->arrMenu);
  5888. $legend .= $title;
  5889. $legend .= '</legend>';
  5890. $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
  5891. $url = api_get_self() . '?' .api_get_cidreq().'&gradeboook='.$gradebook.'&action='.$action.'&type='.$item_type.'&lp_id='.$this->lp_id;
  5892. $form = new FormValidator('form', 'POST', $url);
  5893. $defaults['title'] = api_html_entity_decode($item_title, ENT_QUOTES, $charset);
  5894. $defaults['description'] = $item_description;
  5895. $form->addElement('html', $legend);
  5896. //$arrHide = array($id);
  5897. $arrHide[0]['value'] = Security :: remove_XSS($this->name);
  5898. $arrHide[0]['padding'] = 3;
  5899. $charset = api_get_system_encoding();
  5900. if ($item_type != 'module' && $item_type != 'dokeos_module') {
  5901. for ($i = 0; $i < count($arrLP); $i++) {
  5902. if ($action != 'add') {
  5903. 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)) {
  5904. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  5905. $arrHide[$arrLP[$i]['id']]['padding'] = 3 + $arrLP[$i]['depth'] * 10;
  5906. if ($parent == $arrLP[$i]['id']) {
  5907. $s_selected_parent = $arrHide[$arrLP[$i]['id']];
  5908. }
  5909. }
  5910. } else {
  5911. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') {
  5912. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  5913. $arrHide[$arrLP[$i]['id']]['padding'] = 3 + $arrLP[$i]['depth'] * 10;
  5914. if ($parent == $arrLP[$i]['id']) {
  5915. $s_selected_parent = $arrHide[$arrLP[$i]['id']];
  5916. }
  5917. }
  5918. }
  5919. }
  5920. if ($action != 'move') {
  5921. $form->addElement('text', 'title', get_lang('Title'), 'id="idTitle" class="learnpath_chapter_form" size="40%"');
  5922. $form->applyFilter('title', 'html_filter');
  5923. $form->addRule('title', '<div class="required">' . get_lang('ThisFieldIsRequired'), 'required');
  5924. //$form->addElement('textarea', 'description', get_lang('Description').' :', 'id="idDescription"');
  5925. } else {
  5926. $form->addElement('hidden', 'title');
  5927. }
  5928. $parent_select = & $form->addElement('select', 'parent', get_lang('Parent'), '', 'class="learnpath_chapter_form" style="width:37%;" id="idParent" onchange="javascript: load_cbo(this.value);"');
  5929. foreach ($arrHide as $key => $value) {
  5930. $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
  5931. }
  5932. if (!empty($s_selected_parent)) {
  5933. $parent_select->setSelected($s_selected_parent);
  5934. }
  5935. }
  5936. if (is_array($arrLP)) {
  5937. reset($arrLP);
  5938. }
  5939. $arrHide = array();
  5940. // POSITION
  5941. for ($i = 0; $i < count($arrLP); $i++) {
  5942. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  5943. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  5944. $s_selected_position = $arrLP[$i]['id'];
  5945. elseif ($action == 'add') $s_selected_position = $arrLP[$i]['id'];
  5946. $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After') . ' "' . $arrLP[$i]['title'] . '"';
  5947. }
  5948. }
  5949. $position = & $form->addElement('select', 'previous', get_lang('Position'), '', 'id="previous" class="learnpath_chapter_form" style="width:37%;"');
  5950. $padding = isset($value['padding']) ? $value['padding'] : 0;
  5951. $position->addOption(get_lang('FirstPosition'), 0, 'style="padding-left:' . $padding . 'px;"');
  5952. foreach ($arrHide as $key => $value) {
  5953. $position->addOption($value['value'] . '"', $key, 'style="padding-left:' . $padding . 'px;"');
  5954. }
  5955. if (!empty ($s_selected_position)) {
  5956. $position->setSelected($s_selected_position);
  5957. }
  5958. if (is_array($arrLP)) {
  5959. reset($arrLP);
  5960. }
  5961. $form->addElement('style_submit_button', 'submit_button', get_lang('SaveSection'), 'class="save"');
  5962. if ($item_type == 'module' || $item_type == 'dokeos_module') {
  5963. $form->addElement('hidden', 'parent', '0');
  5964. }
  5965. //fix in order to use the tab
  5966. if ($item_type == 'chapter') {
  5967. $form->addElement('hidden', 'type', 'chapter');
  5968. }
  5969. $extension = null;
  5970. if (!empty($item_path)) {
  5971. $extension = pathinfo($item_path, PATHINFO_EXTENSION);
  5972. }
  5973. if (($item_type == 'asset' || $item_type == 'sco') && ($extension == 'html' || $extension == 'htm')) {
  5974. if ($item_type == 'sco') {
  5975. $form->addElement('html', '<script type="text/javascript">alert("' . get_lang('WarningWhenEditingScorm') . '")</script>');
  5976. }
  5977. $renderer = $form->defaultRenderer();
  5978. $renderer->setElementTemplate('<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{label}<br />{element}', 'content_lp');
  5979. $relative_prefix = '';
  5980. $editor_config = array( 'ToolbarSet' => 'LearningPathDocuments',
  5981. 'Width' => '100%',
  5982. 'Height' => '500',
  5983. 'FullPage' => true,
  5984. 'CreateDocumentDir' => $relative_prefix,
  5985. 'CreateDocumentWebDir' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/scorm/',
  5986. 'BaseHref' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().$item_path_fck
  5987. );
  5988. $form->addElement('html_editor', 'content_lp', '', null, $editor_config);
  5989. $defaults['content_lp'] = file_get_contents($item_path);
  5990. }
  5991. $form->addElement('hidden', 'type', 'dokeos_' . $item_type);
  5992. $form->addElement('hidden', 'post_time', time());
  5993. $form->setDefaults($defaults);
  5994. return $form->return_form();
  5995. }
  5996. /**
  5997. * Returns the form to update or create a document
  5998. * @param string Action (add/edit)
  5999. * @param integer ID of the lp_item (if already exists)
  6000. * @param mixed Integer if document ID, string if info ('new')
  6001. * @return string HTML form
  6002. */
  6003. public function display_document_form($action = 'add', $id = 0, $extra_info = 'new') {
  6004. $course_id = api_get_course_int_id();
  6005. global $charset;
  6006. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6007. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  6008. $path_parts = pathinfo($extra_info['dir']);
  6009. $no_display_edit_textarea = false;
  6010. //If action==edit document
  6011. //We don't display the document form if it's not an editable document (html or txt file)
  6012. if ($action == "edit") {
  6013. if (is_array($extra_info)) {
  6014. if ($path_parts['extension'] != "txt" && $path_parts['extension'] != "html") {
  6015. $no_display_edit_textarea = true;
  6016. }
  6017. }
  6018. }
  6019. $no_display_add = false;
  6020. // If action==add an existing document
  6021. // We don't display the document form if it's not an editable document (html or txt file).
  6022. if ($action == "add") {
  6023. if (is_numeric($extra_info)) {
  6024. $sql_doc = "SELECT path FROM " . $tbl_doc . " WHERE c_id = ".$course_id." AND id = " . Database :: escape_string($extra_info);
  6025. $result = Database::query($sql_doc);
  6026. $path_file = Database :: result($result, 0, 0);
  6027. $path_parts = pathinfo($path_file);
  6028. if ($path_parts['extension'] != "txt" && $path_parts['extension'] != "html") {
  6029. $no_display_add = true;
  6030. }
  6031. }
  6032. }
  6033. if ($id != 0 && is_array($extra_info)) {
  6034. $item_title = stripslashes($extra_info['title']);
  6035. $item_description = stripslashes($extra_info['description']);
  6036. $item_terms = stripslashes($extra_info['terms']);
  6037. if (empty ($item_title)) {
  6038. $path_parts = pathinfo($extra_info['path']);
  6039. $item_title = stripslashes($path_parts['filename']);
  6040. }
  6041. } elseif (is_numeric($extra_info)) {
  6042. $sql_doc = "SELECT path, title FROM " . $tbl_doc . "
  6043. WHERE c_id = ".$course_id." AND id = " . Database :: escape_string($extra_info);
  6044. $result = Database::query($sql_doc);
  6045. $row = Database::fetch_array($result);
  6046. $explode = explode('.', $row['title']);
  6047. if (count($explode) > 1) {
  6048. for ($i = 0; $i < count($explode) - 1; $i++)
  6049. $item_title .= $explode[$i];
  6050. } else {
  6051. $item_title = $row['title'];
  6052. }
  6053. $item_title = str_replace('_', ' ', $item_title);
  6054. if (empty ($item_title)) {
  6055. $path_parts = pathinfo($row['path']);
  6056. $item_title = stripslashes($path_parts['filename']);
  6057. }
  6058. } else {
  6059. $item_title = '';
  6060. $item_description = '';
  6061. }
  6062. $return = '<legend>';
  6063. if ($id != 0 && is_array($extra_info))
  6064. $parent = $extra_info['parent_item_id'];
  6065. else
  6066. $parent = 0;
  6067. $sql = "SELECT * FROM " . $tbl_lp_item . "
  6068. WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  6069. $result = Database::query($sql);
  6070. $arrLP = array ();
  6071. while ($row = Database :: fetch_array($result)) {
  6072. $arrLP[] = array (
  6073. 'id' => $row['id'],
  6074. 'item_type' => $row['item_type'],
  6075. 'title' => $row['title'],
  6076. 'path' => $row['path'],
  6077. 'description' => $row['description'],
  6078. 'parent_item_id' => $row['parent_item_id'],
  6079. 'previous_item_id' => $row['previous_item_id'],
  6080. 'next_item_id' => $row['next_item_id'],
  6081. 'display_order' => $row['display_order'],
  6082. 'max_score' => $row['max_score'],
  6083. 'min_score' => $row['min_score'],
  6084. 'mastery_score' => $row['mastery_score'],
  6085. 'prerequisite' => $row['prerequisite']
  6086. );
  6087. }
  6088. $this->tree_array($arrLP);
  6089. $arrLP = $this->arrMenu;
  6090. unset ($this->arrMenu);
  6091. if ($action == 'add') {
  6092. $return .= get_lang('CreateTheDocument');
  6093. } elseif ($action == 'move') {
  6094. $return .= get_lang('MoveTheCurrentDocument');
  6095. } else {
  6096. $return .= get_lang('EditTheCurrentDocument');
  6097. }
  6098. $return .= '</legend>';
  6099. if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
  6100. $return .= Display :: return_warning_message('<strong>' . get_lang('Warning') . ' !</strong><br />' . get_lang('WarningEditingDocument'), false);
  6101. }
  6102. require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
  6103. $form = new FormValidator('form', 'POST', api_get_self() . '?' . $_SERVER['QUERY_STRING'], '', 'enctype="multipart/form-data"');
  6104. $defaults['title'] = Security :: remove_XSS($item_title);
  6105. if (empty($item_title)) {
  6106. $defaults['title'] = Security::remove_XSS($item_title);
  6107. }
  6108. $defaults['description'] = $item_description;
  6109. $form->addElement('html', $return);
  6110. if ($action != 'move') {
  6111. $form->addElement('text', 'title', get_lang('Title'), 'id="idTitle" class="learnpath_item_form" size=44%');
  6112. $form->applyFilter('title', 'html_filter');
  6113. }
  6114. //$arrHide = array($id);
  6115. $arrHide[0]['value'] = $this->name;
  6116. $arrHide[0]['padding'] = 3;
  6117. for ($i = 0; $i < count($arrLP); $i++) {
  6118. if ($action != 'add') {
  6119. 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)) {
  6120. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  6121. $arrHide[$arrLP[$i]['id']]['padding'] = 3 + $arrLP[$i]['depth'] * 10;
  6122. if ($parent == $arrLP[$i]['id']) {
  6123. $s_selected_parent = $arrHide[$arrLP[$i]['id']];
  6124. }
  6125. }
  6126. } else {
  6127. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') {
  6128. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  6129. $arrHide[$arrLP[$i]['id']]['padding'] = 3 + $arrLP[$i]['depth'] * 10;
  6130. if ($parent == $arrLP[$i]['id']) {
  6131. $s_selected_parent = $arrHide[$arrLP[$i]['id']];
  6132. }
  6133. }
  6134. }
  6135. }
  6136. $parent_select = & $form->addElement('select', 'parent', get_lang('Parent'), '', 'class="learnpath_item_form" id="idParent" style="width:40%;" onchange="javascript: load_cbo(this.value);"');
  6137. $my_count=0;
  6138. foreach ($arrHide as $key => $value) {
  6139. if ($my_count!=0) {
  6140. // The LP name is also the first section and is not in the same charset like the other sections.
  6141. $value['value'] = Security :: remove_XSS($value['value']);
  6142. $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
  6143. } else {
  6144. $value['value'] = Security :: remove_XSS($value['value']);
  6145. $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
  6146. }
  6147. $my_count++;
  6148. }
  6149. if (!empty($id)) {
  6150. $parent_select->setSelected($parent);
  6151. } else {
  6152. $parent_item_id = $_SESSION['parent_item_id'];
  6153. $parent_select->setSelected($parent_item_id);
  6154. }
  6155. if (is_array($arrLP)) {
  6156. reset($arrLP);
  6157. }
  6158. $arrHide = array ();
  6159. //POSITION
  6160. for ($i = 0; $i < count($arrLP); $i++) {
  6161. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  6162. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  6163. $s_selected_position = $arrLP[$i]['id'];
  6164. elseif ($action == 'add') $s_selected_position = $arrLP[$i]['id'];
  6165. $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After') . ' "' . $arrLP[$i]['title'] . '"';
  6166. }
  6167. }
  6168. $position = & $form->addElement('select', 'previous', get_lang('Position'), '', 'id="previous" class="learnpath_item_form" style="width:40%;"');
  6169. $position->addOption(get_lang('FirstPosition'), 0);
  6170. foreach ($arrHide as $key => $value) {
  6171. $padding = isset($value['padding']) ? $value['padding']: 0;
  6172. $position->addOption($value['value'], $key, 'style="padding-left:' . $padding . 'px;"');
  6173. }
  6174. $position->setSelected($s_selected_position);
  6175. if (is_array($arrLP)) {
  6176. reset($arrLP);
  6177. }
  6178. if ($action != 'move') {
  6179. $id_prerequisite = 0;
  6180. if (is_array($arrLP)) {
  6181. foreach ($arrLP as $key => $value) {
  6182. if ($value['id'] == $id) {
  6183. $id_prerequisite = $value['prerequisite'];
  6184. break;
  6185. }
  6186. }
  6187. }
  6188. $arrHide = array ();
  6189. for ($i = 0; $i < count($arrLP); $i++) {
  6190. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  6191. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  6192. $s_selected_position = $arrLP[$i]['id'];
  6193. elseif ($action == 'add') $s_selected_position = $arrLP[$i]['id'];
  6194. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  6195. }
  6196. }
  6197. if (!$no_display_add) {
  6198. if (($extra_info == 'new' || $extra_info['item_type'] == TOOL_DOCUMENT || $_GET['edit'] == 'true')) {
  6199. if (isset ($_POST['content']))
  6200. $content = stripslashes($_POST['content']);
  6201. elseif (is_array($extra_info)) {
  6202. //If it's an html document or a text file
  6203. if (!$no_display_edit_textarea) {
  6204. $content = $this->display_document($extra_info['path'], false, false);
  6205. }
  6206. } elseif (is_numeric($extra_info))
  6207. $content = $this->display_document($extra_info, false, false);
  6208. else
  6209. $content = '';
  6210. if (!$no_display_edit_textarea) {
  6211. // We need to calculate here some specific settings for the online editor.
  6212. // The calculated settings work for documents in the Documents tool
  6213. // (on the root or in subfolders).
  6214. // For documents in native scorm packages it is unclear whether the
  6215. // online editor should be activated or not.
  6216. // A new document, it is in the root of the repository.
  6217. $relative_path = '';
  6218. $relative_prefix = '';
  6219. if (is_array($extra_info) && $extra_info != 'new') {
  6220. // The document already exists. Whe have to determine its relative path towards the repository root.
  6221. $relative_path = explode('/', $extra_info['dir']);
  6222. $cnt = count($relative_path) - 2;
  6223. if ($cnt < 0) {
  6224. $cnt = 0;
  6225. }
  6226. $relative_prefix = str_repeat('../', $cnt);
  6227. $relative_path = array_slice($relative_path, 1, $cnt);
  6228. $relative_path = implode('/', $relative_path);
  6229. if (strlen($relative_path) > 0) {
  6230. $relative_path = $relative_path . '/';
  6231. }
  6232. } else {
  6233. global $_course;
  6234. $result = $this->generate_lp_folder($_course, '');
  6235. $relative_path = api_substr($result['dir'], 1, strlen($result['dir']));
  6236. $relative_prefix = '../../';
  6237. }
  6238. $editor_config = array( 'ToolbarSet' => 'LearningPathDocuments',
  6239. 'Width' => '100%',
  6240. 'Height' => '500',
  6241. 'FullPage' => true,
  6242. 'CreateDocumentDir' => $relative_prefix,
  6243. 'CreateDocumentWebDir' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/document/',
  6244. 'BaseHref' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/document/'.$relative_path
  6245. );
  6246. if ($_GET['action'] == 'add_item') {
  6247. $class = 'add';
  6248. $text = get_lang('LPCreateDocument');
  6249. } else
  6250. if ($_GET['action'] == 'edit_item') {
  6251. $class = 'save';
  6252. $text = get_lang('SaveDocument');
  6253. }
  6254. $form->addElement('style_submit_button', 'submit_button', $text, 'class="' . $class . '"');
  6255. $renderer = $form->defaultRenderer();
  6256. $renderer->setElementTemplate('<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{label}<br />{element}', 'content_lp');
  6257. $form->addElement('html', '<div>');
  6258. $form->addElement('html_editor', 'content_lp', '', null, $editor_config);
  6259. $form->addElement('html', '</div>');
  6260. $defaults['content_lp'] = $content;
  6261. }
  6262. } elseif (is_numeric($extra_info)) {
  6263. $form->addElement('style_submit_button', 'submit_button', get_lang('SaveDocument'), 'class="save"');
  6264. $return = $this->display_document($extra_info, true, true, true);
  6265. $form->addElement('html', $return);
  6266. }
  6267. }
  6268. }
  6269. if ($action == 'move') {
  6270. $form->addElement('hidden', 'title', $item_title);
  6271. $form->addElement('hidden', 'description', $item_description);
  6272. }
  6273. if (is_numeric($extra_info)) {
  6274. $form->addElement('style_submit_button', 'submit_button', get_lang('SaveDocument'), 'value="submit_button", class="save"');
  6275. $form->addElement('hidden', 'path', $extra_info);
  6276. }
  6277. elseif (is_array($extra_info)) {
  6278. $form->addElement('style_submit_button', 'submit_button', get_lang('SaveDocument'), 'class="save"');
  6279. $form->addElement('hidden', 'path', $extra_info['path']);
  6280. }
  6281. $form->addElement('hidden', 'type', TOOL_DOCUMENT);
  6282. $form->addElement('hidden', 'post_time', time());
  6283. $form->setDefaults($defaults);
  6284. return $form->return_form();
  6285. }
  6286. /**
  6287. * Return HTML form to add/edit a link item
  6288. * @param string Action (add/edit)
  6289. * @param integer Item ID if exists
  6290. * @param mixed Extra info
  6291. * @return string HTML form
  6292. */
  6293. public function display_link_form($action = 'add', $id = 0, $extra_info = '') {
  6294. $course_id = api_get_course_int_id();
  6295. global $charset;
  6296. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6297. $tbl_link = Database :: get_course_table(TABLE_LINK);
  6298. if ($id != 0 && is_array($extra_info)) {
  6299. $item_title = stripslashes($extra_info['title']);
  6300. $item_description = stripslashes($extra_info['description']);
  6301. $item_url = stripslashes($extra_info['url']);
  6302. } elseif (is_numeric($extra_info)) {
  6303. $sql_link = "SELECT title, description, url FROM " . $tbl_link . " WHERE c_id = ".$course_id." AND id = " . $extra_info;
  6304. $result = Database::query($sql_link);
  6305. $row = Database :: fetch_array($result);
  6306. $item_title = $row['title'];
  6307. $item_description = $row['description'];
  6308. $item_url = $row['url'];
  6309. } else {
  6310. $item_title = '';
  6311. $item_description = '';
  6312. $item_url = '';
  6313. }
  6314. $legend = '<legend>';
  6315. if ($id != 0 && is_array($extra_info))
  6316. $parent = $extra_info['parent_item_id'];
  6317. else
  6318. $parent = 0;
  6319. $sql = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  6320. $result = Database::query($sql);
  6321. $arrLP = array ();
  6322. while ($row = Database :: fetch_array($result)) {
  6323. $arrLP[] = array (
  6324. 'id' => $row['id'],
  6325. 'item_type' => $row['item_type'],
  6326. 'title' => $row['title'],
  6327. 'path' => $row['path'],
  6328. 'description' => $row['description'],
  6329. 'parent_item_id' => $row['parent_item_id'],
  6330. 'previous_item_id' => $row['previous_item_id'],
  6331. 'next_item_id' => $row['next_item_id'],
  6332. 'display_order' => $row['display_order'],
  6333. 'max_score' => $row['max_score'],
  6334. 'min_score' => $row['min_score'],
  6335. 'mastery_score' => $row['mastery_score'],
  6336. 'prerequisite' => $row['prerequisite']
  6337. );
  6338. }
  6339. $this->tree_array($arrLP);
  6340. $arrLP = $this->arrMenu;
  6341. unset ($this->arrMenu);
  6342. if ($action == 'add')
  6343. $legend .= get_lang('CreateTheLink') . '&nbsp;:';
  6344. elseif ($action == 'move') $legend .= get_lang('MoveCurrentLink') . '&nbsp;:';
  6345. else
  6346. $legend .= get_lang('EditCurrentLink') . '&nbsp;:';
  6347. $legend .= '</legend>';
  6348. $return .= '<div class="sectioncomment">';
  6349. $return .= '<form method="POST">';
  6350. $return .= $legend;
  6351. $return .= '<table>';
  6352. if ($action != 'move') {
  6353. $return .= '<tr>';
  6354. $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
  6355. $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="' . $item_title . '" class="learnpath_item_form"/></td>';
  6356. $return .= '</tr>';
  6357. }
  6358. $return .= '<tr>';
  6359. $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
  6360. $return .= '<td class="input">';
  6361. $return .= '<select id="idParent" style="width:100%;" name="parent" onChange="javascript: load_cbo(this.value);" class="learnpath_item_form" size="1">';
  6362. $return .= '<option class="top" value="0">' . $this->name . '</option>';
  6363. $arrHide = array (
  6364. $id
  6365. );
  6366. $parent_item_id = $_SESSION['parent_item_id'];
  6367. for ($i = 0; $i < count($arrLP); $i++) {
  6368. if ($action != 'add') {
  6369. 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)) {
  6370. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  6371. } else {
  6372. $arrHide[] = $arrLP[$i]['id'];
  6373. }
  6374. } else {
  6375. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
  6376. $return .= "\t\t\t\t\t" . '<option ' . (($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  6377. }
  6378. }
  6379. if (is_array($arrLP)) {
  6380. reset($arrLP);
  6381. }
  6382. $return .= "\t\t\t\t" . '</select>';
  6383. $return .= '</td>';
  6384. $return .= '</tr>';
  6385. $return .= '<tr>';
  6386. $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
  6387. $return .= '<td class="input">';
  6388. $return .= "\t\t\t\t" . '<select id="previous" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
  6389. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
  6390. for ($i = 0; $i < count($arrLP); $i++) {
  6391. if ($arrLP[$i]['parent_item_id'] == $parent_item_id && $arrLP[$i]['id'] != $id) {
  6392. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  6393. $selected = 'selected="selected" ';
  6394. elseif ($action == 'add')
  6395. $selected = 'selected="selected" ';
  6396. else
  6397. $selected = '';
  6398. $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
  6399. }
  6400. }
  6401. $return .= '</select>';
  6402. $return .= '</td>';
  6403. $return .= '</tr>';
  6404. if ($action != 'move') {
  6405. $return .= '<tr>';
  6406. $return .= '<td class="label"><label for="idURL">' . get_lang('Url') . '</label></td>';
  6407. $return .= '<td class="input"><input' . (is_numeric($extra_info) ? ' disabled="disabled"' : '') . ' id="idURL" name="url" style="width:99%;" type="text" value="' . $item_url . '" class="learnpath_item_form" /></td>';
  6408. $return .= '</tr>';
  6409. $id_prerequisite = 0;
  6410. if (is_array($arrLP)) {
  6411. foreach ($arrLP as $key => $value) {
  6412. if ($value['id'] == $id) {
  6413. $id_prerequisite = $value['prerequisite'];
  6414. break;
  6415. }
  6416. }
  6417. }
  6418. $arrHide = array ();
  6419. for ($i = 0; $i < count($arrLP); $i++) {
  6420. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  6421. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  6422. $s_selected_position = $arrLP[$i]['id'];
  6423. elseif ($action == 'add') $s_selected_position = 0;
  6424. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  6425. }
  6426. }
  6427. /*// Commented the prerequisites, only visible in edit (link).
  6428. $return .= '<tr>';
  6429. $return .= '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>';
  6430. $return .= '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang('NoPrerequisites').'</option>';
  6431. foreach($arrHide as $key => $value) {
  6432. if ($key == $s_selected_position && $action == 'add') {
  6433. $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
  6434. }
  6435. elseif ($key == $id_prerequisite && $action == 'edit') {
  6436. $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
  6437. }
  6438. else {
  6439. $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
  6440. }
  6441. }
  6442. $return .= "</select></td>";
  6443. */
  6444. $return .= '</tr>';
  6445. }
  6446. $return .= '<tr>';
  6447. if ($action == 'add') {
  6448. $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('AddLinkToCourse') . '</button></td>';
  6449. } else {
  6450. $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('EditCurrentLink') . '</button></td>';
  6451. }
  6452. $return .= '</tr>';
  6453. $return .= '</table>';
  6454. if ($action == 'move') {
  6455. $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
  6456. $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
  6457. }
  6458. if (is_numeric($extra_info)) {
  6459. $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
  6460. }
  6461. elseif (is_array($extra_info)) {
  6462. $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
  6463. }
  6464. $return .= '<input name="type" type="hidden" value="' . TOOL_LINK . '" />';
  6465. $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
  6466. $return .= '</form>';
  6467. $return .= '</div>';
  6468. return $return;
  6469. }
  6470. /**
  6471. * Return HTML form to add/edit a student publication (work)
  6472. * @param string Action (add/edit)
  6473. * @param integer Item ID if already exists
  6474. * @param mixed Extra info (work ID if integer)
  6475. * @return string HTML form
  6476. */
  6477. public function display_student_publication_form($action = 'add', $id = 0, $extra_info = '') {
  6478. $course_id = api_get_course_int_id();
  6479. global $charset;
  6480. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6481. $tbl_publication = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
  6482. if ($id != 0 && is_array($extra_info)) {
  6483. $item_title = stripslashes($extra_info['title']);
  6484. $item_description = stripslashes($extra_info['description']);
  6485. }
  6486. elseif (is_numeric($extra_info)) {
  6487. $sql_publication = "SELECT title, description FROM " . $tbl_publication . "
  6488. WHERE c_id = ".$course_id." AND id = " . $extra_info;
  6489. $result = Database::query($sql_publication);
  6490. $row = Database :: fetch_array($result);
  6491. $item_title = $row['title'];
  6492. } else {
  6493. $item_title = get_lang('Student_publication');
  6494. }
  6495. $legend = '<legend>';
  6496. if ($id != 0 && is_array($extra_info))
  6497. $parent = $extra_info['parent_item_id'];
  6498. else
  6499. $parent = 0;
  6500. $sql = "SELECT * FROM " . $tbl_lp_item . "
  6501. WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  6502. $result = Database::query($sql);
  6503. $arrLP = array ();
  6504. while ($row = Database :: fetch_array($result)) {
  6505. $arrLP[] = array (
  6506. 'id' => $row['id'],
  6507. 'item_type' => $row['item_type'],
  6508. 'title' => $row['title'],
  6509. 'path' => $row['path'],
  6510. 'description' => $row['description'],
  6511. 'parent_item_id' => $row['parent_item_id'],
  6512. 'previous_item_id' => $row['previous_item_id'],
  6513. 'next_item_id' => $row['next_item_id'],
  6514. 'display_order' => $row['display_order'],
  6515. 'max_score' => $row['max_score'],
  6516. 'min_score' => $row['min_score'],
  6517. 'mastery_score' => $row['mastery_score'],
  6518. 'prerequisite' => $row['prerequisite']
  6519. );
  6520. }
  6521. $this->tree_array($arrLP);
  6522. $arrLP = $this->arrMenu;
  6523. unset ($this->arrMenu);
  6524. if ($action == 'add')
  6525. $legend .= get_lang('Student_publication') . '&nbsp;:' . "\n";
  6526. elseif ($action == 'move') $legend .= get_lang('MoveCurrentStudentPublication') . '&nbsp;:' . "\n";
  6527. else
  6528. $legend .= get_lang('EditCurrentStudentPublication') . '&nbsp;:' . "\n";
  6529. $legend .= '</legend>';
  6530. $return .= '<div class="sectioncomment">';
  6531. $return .= '<form method="POST">';
  6532. $return .= $legend;
  6533. $return .= '<table class="lp_form">';
  6534. if ($action != 'move') {
  6535. $return .= '<tr>';
  6536. $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
  6537. $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="' . $item_title . '" class="learnpath_item_form" /></td>';
  6538. $return .= '</tr>';
  6539. }
  6540. $return .= '<tr>';
  6541. $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
  6542. $return .= '<td class="input">';
  6543. $return .= "\t\t\t\t" . '<select id="idParent" name="parent" style="width:100%;" onChange="javascript: load_cbo(this.value);" class="learnpath_item_form" size="1">';
  6544. //$parent_item_id = $_SESSION['parent_item_id'];
  6545. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
  6546. $arrHide = array (
  6547. $id
  6548. );
  6549. for ($i = 0; $i < count($arrLP); $i++) {
  6550. if ($action != 'add') {
  6551. 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)) {
  6552. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  6553. } else {
  6554. $arrHide[] = $arrLP[$i]['id'];
  6555. }
  6556. } else {
  6557. if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
  6558. $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
  6559. }
  6560. }
  6561. if (is_array($arrLP)) {
  6562. reset($arrLP);
  6563. }
  6564. $return .= "\t\t\t\t" . '</select>';
  6565. $return .= '</td>';
  6566. $return .= '</tr>';
  6567. $return .= '<tr>';
  6568. $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
  6569. $return .= '<td class="input">';
  6570. $return .= "\t\t\t\t" . '<select id="previous" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
  6571. $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
  6572. for ($i = 0; $i < count($arrLP); $i++) {
  6573. if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
  6574. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  6575. $selected = 'selected="selected" ';
  6576. elseif ($action == 'add') $selected = 'selected="selected" ';
  6577. else
  6578. $selected = '';
  6579. $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
  6580. }
  6581. }
  6582. $return .= "\t\t\t\t" . '</select>';
  6583. $return .= '</td>';
  6584. $return .= '</tr>';
  6585. if ($action != 'move') {
  6586. $id_prerequisite = 0;
  6587. if (is_array($arrLP)) {
  6588. foreach ($arrLP as $key => $value) {
  6589. if ($value['id'] == $id) {
  6590. $id_prerequisite = $value['prerequisite'];
  6591. break;
  6592. }
  6593. }
  6594. }
  6595. $arrHide = array ();
  6596. for ($i = 0; $i < count($arrLP); $i++) {
  6597. if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
  6598. if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
  6599. $s_selected_position = $arrLP[$i]['id'];
  6600. elseif ($action == 'add') $s_selected_position = 0;
  6601. $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
  6602. }
  6603. }
  6604. // Commented the prerequisites, only visible in edit (work).
  6605. /*
  6606. $return .= '<tr>';
  6607. $return .= '<td class="label"><label for="idPrerequisites">'.get_lang('Prerequisites').'</label></td>';
  6608. $return .= '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang('NoPrerequisites').'</option>';
  6609. foreach($arrHide as $key => $value) {
  6610. if ($key == $s_selected_position && $action == 'add') {
  6611. $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
  6612. }
  6613. elseif ($key == $id_prerequisite && $action == 'edit') {
  6614. $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
  6615. }
  6616. else {
  6617. $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
  6618. }
  6619. }
  6620. $return .= "</select></td>";
  6621. */
  6622. $return .= '</tr>';
  6623. }
  6624. $return .= '<tr>';
  6625. if ($action == 'add') {
  6626. $return .= '<td>&nbsp</td><td><button class="save" name="submit_button" type="submit">' . get_lang('AddAssignmentToCourse') . '</button></td>';
  6627. } else {
  6628. $return .= '<td>&nbsp</td><td><button class="save" name="submit_button" type="submit">' . get_lang('EditCurrentStudentPublication') . '</button></td>';
  6629. }
  6630. $return .= '</tr>';
  6631. $return .= '</table>';
  6632. if ($action == 'move') {
  6633. $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
  6634. $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
  6635. }
  6636. if (is_numeric($extra_info)) {
  6637. $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
  6638. } elseif (is_array($extra_info)) {
  6639. $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
  6640. }
  6641. $return .= '<input name="type" type="hidden" value="' . TOOL_STUDENTPUBLICATION . '" />';
  6642. $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
  6643. $return .= '</form>';
  6644. $return .= '</div>';
  6645. return $return;
  6646. }
  6647. /**
  6648. * Displays the menu for manipulating a step
  6649. * @return string html
  6650. */
  6651. public function display_manipulate($item_id, $item_type = TOOL_DOCUMENT) {
  6652. $course_id = api_get_course_int_id();
  6653. global $charset, $_course;
  6654. $return = '<div class="actions">';
  6655. switch ($item_type) {
  6656. case 'dokeos_chapter' :
  6657. case 'chapter' :
  6658. // Commented the message cause should not show it.
  6659. //$lang = get_lang('TitleManipulateChapter');
  6660. break;
  6661. case 'dokeos_module' :
  6662. case 'module' :
  6663. // Commented the message cause should not show it.
  6664. //$lang = get_lang('TitleManipulateModule');
  6665. break;
  6666. case TOOL_DOCUMENT :
  6667. // Commented the message cause should not show it.
  6668. //$lang = get_lang('TitleManipulateDocument');
  6669. break;
  6670. case TOOL_LINK :
  6671. case 'link' :
  6672. // Commented the message cause should not show it.
  6673. //$lang = get_lang('TitleManipulateLink');
  6674. break;
  6675. case TOOL_QUIZ :
  6676. // Commented the message cause should not show it.
  6677. //$lang = get_lang('TitleManipulateQuiz');
  6678. break;
  6679. case TOOL_STUDENTPUBLICATION :
  6680. // Commented the message cause should not show it.
  6681. //$lang = get_lang('TitleManipulateStudentPublication');
  6682. break;
  6683. }
  6684. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6685. $item_id = intval($item_id);
  6686. $sql = "SELECT * FROM " . $tbl_lp_item . " as lp WHERE lp.c_id = ".$course_id." AND lp.id = " . $item_id;
  6687. $result = Database::query($sql);
  6688. $row = Database::fetch_assoc($result);
  6689. $s_title = $row['title'];
  6690. // We display an audio player if needed.
  6691. if (!empty ($row['audio'])) {
  6692. $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>';
  6693. $return .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
  6694. $return .= '<script type="text/javascript">
  6695. var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
  6696. s1.addParam("allowscriptaccess","always");
  6697. s1.addParam("flashvars","file=../../courses/' . $_course['path'] . '/document/audio/' . $row['audio'] . '&autostart=true");
  6698. s1.write("container");
  6699. </script>';
  6700. }
  6701. // Commented ":" for message in step.
  6702. //$return .= $lang.': ';
  6703. $url = api_get_self() . '?cidReq='.Security::remove_XSS($_GET['cidReq']).'&view=build&id='.$item_id .'&lp_id='.$this->lp_id;
  6704. $return .= Display::url(Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL), $url.'&action=edit_item&path_item=' . $row['path']);
  6705. $return .= Display::url(Display::return_icon('move.png', get_lang('Move'), array(), ICON_SIZE_SMALL), $url.'&action=move_item');
  6706. // Commented for now as prerequisites cannot be added to chapters.
  6707. if ($item_type != 'dokeos_chapter' && $item_type != 'chapter') {
  6708. $return .= Display::url(Display::return_icon('accept.png', get_lang('Prerequisites'), array(), ICON_SIZE_SMALL), $url.'&action=edit_item_prereq');
  6709. }
  6710. $return .= Display::url(Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL), $url.'&action=delete_item');
  6711. /*
  6712. // Get the audiorecorder. Use of ob_* functions since there are echos in the file.
  6713. ob_start();
  6714. $audio_recorder_studentview = 'false';
  6715. $audio_recorder_item_id = $item_id;
  6716. if (api_get_setting('service_visio', 'active') == 'true') {
  6717. require_once 'audiorecorder.inc.php';
  6718. }
  6719. $return .= ob_get_contents();
  6720. ob_end_clean();
  6721. // End of audiorecorder include
  6722. */
  6723. $return .= '</div>';
  6724. return $return;
  6725. }
  6726. /**
  6727. * Creates the javascript needed for filling up the checkboxes without page reload
  6728. *
  6729. * @return string
  6730. */
  6731. public function get_js_dropdown_array() {
  6732. $course_id = api_get_course_int_id();
  6733. $return = 'var child_name = new Array();' . "\n";
  6734. $return .= 'var child_value = new Array();' . "\n\n";
  6735. $return .= 'child_name[0] = new Array();' . "\n";
  6736. $return .= 'child_value[0] = new Array();' . "\n\n";
  6737. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6738. $sql_zero = "SELECT * FROM " . $tbl_lp_item . "
  6739. WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id . " AND parent_item_id = 0
  6740. ORDER BY display_order ASC";
  6741. $res_zero = Database::query($sql_zero);
  6742. global $charset;
  6743. $i = 0;
  6744. while ($row_zero = Database :: fetch_array($res_zero)) {
  6745. $js_var = json_encode(get_lang('After').' '.$row_zero['title']);
  6746. $return .= 'child_name[0][' . $i . '] = '.$js_var.' ;' . "\n";
  6747. $return .= 'child_value[0][' . $i++ . '] = "' . $row_zero['id'] . '";' . "\n";
  6748. }
  6749. $return .= "\n";
  6750. $sql = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
  6751. $res = Database::query($sql);
  6752. while ($row = Database :: fetch_array($res)) {
  6753. $sql_parent = "
  6754. SELECT * FROM " . $tbl_lp_item . "
  6755. WHERE c_id = ".$course_id." AND parent_item_id = " . $row['id'] . "
  6756. ORDER BY display_order ASC";
  6757. $res_parent = Database::query($sql_parent);
  6758. $i = 0;
  6759. $return .= 'child_name[' . $row['id'] . '] = new Array();' . "\n";
  6760. $return .= 'child_value[' . $row['id'] . '] = new Array();' . "\n\n";
  6761. while ($row_parent = Database :: fetch_array($res_parent)) {
  6762. $js_var = json_encode(get_lang('After').' '.$row_parent['title']);
  6763. $return .= 'child_name[' . $row['id'] . '][' . $i . '] = '.$js_var.' ;' . "\n";
  6764. $return .= 'child_value[' . $row['id'] . '][' . $i++ . '] = "' . $row_parent['id'] . '";' . "\n";
  6765. }
  6766. $return .= "\n";
  6767. }
  6768. return $return;
  6769. }
  6770. /**
  6771. * Display the form to allow moving an item
  6772. * @param integer Item ID
  6773. * @return string HTML form
  6774. */
  6775. public function display_move_item($item_id) {
  6776. $course_id = api_get_course_int_id();
  6777. global $_course; //will disappear
  6778. global $charset;
  6779. $return = '';
  6780. if (is_numeric($item_id)) {
  6781. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6782. $sql = "SELECT *
  6783. FROM " . $tbl_lp_item . "
  6784. WHERE c_id = ".$course_id." AND id = " . $item_id;
  6785. $res = Database::query($sql);
  6786. $row = Database :: fetch_array($res);
  6787. switch ($row['item_type']) {
  6788. case 'dokeos_chapter' :
  6789. case 'dir' :
  6790. case 'asset' :
  6791. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6792. $return .= $this->display_item_form($row['item_type'], get_lang('MoveCurrentChapter'), 'move', $item_id, $row);
  6793. break;
  6794. case 'dokeos_module' :
  6795. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6796. $return .= $this->display_item_form($row['item_type'], 'Move th current module:', 'move', $item_id, $row);
  6797. break;
  6798. case TOOL_DOCUMENT :
  6799. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6800. $return .= $this->display_document_form('move', $item_id, $row);
  6801. break;
  6802. case TOOL_LINK :
  6803. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6804. $return .= $this->display_link_form('move', $item_id, $row);
  6805. break;
  6806. case TOOL_HOTPOTATOES :
  6807. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6808. $return .= $this->display_link_form('move', $item_id, $row);
  6809. break;
  6810. case TOOL_QUIZ :
  6811. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6812. $return .= $this->display_quiz_form('move', $item_id, $row);
  6813. break;
  6814. case TOOL_STUDENTPUBLICATION :
  6815. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6816. $return .= $this->display_student_publication_form('move', $item_id, $row);
  6817. break;
  6818. case TOOL_FORUM :
  6819. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6820. $return .= $this->display_forum_form('move', $item_id, $row);
  6821. break;
  6822. case TOOL_THREAD :
  6823. $return .= $this->display_manipulate($item_id, $row['item_type']);
  6824. $return .= $this->display_forum_form('move', $item_id, $row);
  6825. break;
  6826. }
  6827. }
  6828. return $return;
  6829. }
  6830. /**
  6831. * Displays a basic form on the overview page for changing the item title and the item description.
  6832. * @param string $item_type
  6833. * @param string $title
  6834. * @param array $data
  6835. * @return string
  6836. */
  6837. public function display_item_small_form($item_type, $title = '', $data) {
  6838. $return = '<div class="lp_small_form">';
  6839. $return .= '<p class="lp_title">' . $title . '</p>';
  6840. $return .= '<form method="post">';
  6841. $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
  6842. $return .= '<tr>';
  6843. $return .= '<td class="label"><label for="idTitle">Title&nbsp;:</label></td>';
  6844. $return .= '<td class="input"><input class="small_form" id="idTitle" name="title" type="text" value="' . api_html_entity_decode($data['title'], ENT_QUOTES) . '" /></td>';
  6845. $return .= '</tr>';
  6846. // It said these lines of code - see SVN#11724 and SVN#10770
  6847. //$return .= '<tr>';
  6848. //$return .= '<td class="label"><label for="idDescription">Description&nbsp;:</label></td>';
  6849. //$return .= '<td class="input"><textarea class="small_form" id="idDescription" name="description" rows="4">' . $data['description'] . '</textarea></td>';
  6850. //$return .= '</tr>';
  6851. $return .= '<tr>';
  6852. $return .= '<td colspan="2"><button class="save" name="submit_button" type="submit">' . get_lang('Save') . '</button></td>';
  6853. $return .= '</tr>';
  6854. $return .= '</table>';
  6855. $return .= '<input name="parent" type="hidden" value="' . $data['parent_item_id'] . '"/>';
  6856. $return .= '<input name="previous" type="hidden" value="' . $data['previous_item_id'] . '"/>';
  6857. $return .= '</form>';
  6858. $return .= '</div>';
  6859. return $return;
  6860. }
  6861. /**
  6862. * Return HTML form to allow prerequisites selection
  6863. * @param integer Item ID
  6864. * @return string HTML form
  6865. */
  6866. public function display_item_prerequisites_form($item_id) {
  6867. $course_id = api_get_course_int_id();
  6868. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  6869. $item_id = intval($item_id);
  6870. /* Current prerequisite */
  6871. $sql = "SELECT * FROM $tbl_lp_item WHERE c_id = $course_id AND id = " . $item_id;
  6872. $result = Database::query($sql);
  6873. $row = Database::fetch_array($result);
  6874. $preq_id = $row['prerequisite'];
  6875. //$preq_mastery = $row['mastery_score'];
  6876. //$preq_max = $row['max_score'];
  6877. $return = $this->display_manipulate($item_id, TOOL_DOCUMENT);
  6878. $return .= '<div class="sectioncomment">';
  6879. $return .= '<form method="POST">';
  6880. $return = '<legend>';
  6881. $return .= get_lang('AddEditPrerequisites');
  6882. $return .= '</legend>';
  6883. $return .= '<table class="data_table" style="width:650px">';
  6884. $return .= '<tr>';
  6885. $return .= '<th height="24">' . get_lang('Prerequisites') . '</th>';
  6886. $return .= '<th width="70" height="24">' . get_lang('Minimum') . '</th>';
  6887. $return .= '<th width="70" height="24">' . get_lang('Maximum') . '</th>';
  6888. $return .= '</tr>';
  6889. // Adding the none option to the prerequisites see http://www.chamilo.org/es/node/146
  6890. $return .= '<tr >';
  6891. $return .= '<td colspan="3" class="radio">';
  6892. $return .= '<input checked="checked" id="idNone" name="prerequisites" style="margin-left:0px; margin-right:10px;" type="radio" />';
  6893. $return .= '<label for="idNone">' . get_lang('None') . '</label>';
  6894. $return .= '</tr>';
  6895. $sql = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = $course_id AND lp_id = " . $this->lp_id;
  6896. $result = Database::query($sql);
  6897. $arrLP = array ();
  6898. while ($row = Database :: fetch_array($result)) {
  6899. $arrLP[] = array (
  6900. 'id' => $row['id'],
  6901. 'item_type' => $row['item_type'],
  6902. 'title' => $row['title'],
  6903. 'ref' => $row['ref'],
  6904. 'description' => $row['description'],
  6905. 'parent_item_id' => $row['parent_item_id'],
  6906. 'previous_item_id' => $row['previous_item_id'],
  6907. 'next_item_id' => $row['next_item_id'],
  6908. 'max_score' => $row['max_score'],
  6909. 'min_score' => $row['min_score'],
  6910. 'mastery_score' => $row['mastery_score'],
  6911. 'prerequisite' => $row['prerequisite'],
  6912. 'next_item_id' => $row['next_item_id'],
  6913. 'display_order' => $row['display_order']
  6914. );
  6915. if ($row['ref'] == $preq_id) {
  6916. $preq_mastery = $row['mastery_score'];
  6917. $preq_max = $row['max_score'];
  6918. }
  6919. }
  6920. $this->tree_array($arrLP);
  6921. $arrLP = $this->arrMenu;
  6922. unset ($this->arrMenu);
  6923. for ($i = 0; $i < count($arrLP); $i++) {
  6924. if ($arrLP[$i]['id'] == $item_id)
  6925. break;
  6926. $return .= '<tr>';
  6927. $return .= '<td class="radio"' . (($arrLP[$i]['item_type'] != TOOL_QUIZ && $arrLP[$i]['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . '>';
  6928. $return .= '<input' . (($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'] . '" />';
  6929. $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
  6930. if (file_exists('../img/lp_' . $icon_name . '.png')) {
  6931. $return .= '<img alt="" src="../img/lp_' . $icon_name . '.png" style="margin-right:5px;" title="" />';
  6932. } else
  6933. if (file_exists('../img/lp_' . $icon_name . '.gif')) {
  6934. $return .= '<img alt="" src="../img/lp_' . $icon_name . '.gif" style="margin-right:5px;" title="" />';
  6935. } else {
  6936. $return .= Display::return_icon('folder_document.gif','',array('style'=>'margin-right:5px;'));
  6937. }
  6938. $return .= '<label for="id' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</label>';
  6939. $return .= '</td>';
  6940. //$return .= '<td class="radio"' . (($arrLP[$i]['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . ' />';
  6941. if ($arrLP[$i]['item_type'] == TOOL_QUIZ) {
  6942. $return .= '<td class="exercise" style="border:1px solid #ccc;">';
  6943. $return .= '<center><input size="4" maxlength="3" name="min_' . $arrLP[$i]['id'] . '" type="text" value="' . (($arrLP[$i]['id'] == $preq_id) ? $preq_mastery : 0) . '" /></center>';
  6944. $return .= '</td>';
  6945. $return .= '<td class="exercise" style="border:1px solid #ccc;">';
  6946. $return .= '<center><input size="4" maxlength="3" name="max_' . $arrLP[$i]['id'] . '" type="text" value="' . $arrLP[$i]['max_score'] . '" disabled="true" /></center>';
  6947. $return .= '</td>';
  6948. }
  6949. if ($arrLP[$i]['item_type'] == TOOL_HOTPOTATOES) {
  6950. $return .= '<td class="exercise" style="border:1px solid #ccc;">';
  6951. $return .= '<center><input size="4" maxlength="3" name="min_' . $arrLP[$i]['id'] . '" type="text" value="' . (($arrLP[$i]['id'] == $preq_id) ? $preq_mastery : 0) . '" /></center>';
  6952. $return .= '</td>';
  6953. $return .= '<td class="exercise" style="border:1px solid #ccc;">';
  6954. $return .= '<center><input size="4" maxlength="3" name="max_' . $arrLP[$i]['id'] . '" type="text" value="' . $arrLP[$i]['max_score'] . '" disabled="true" /></center>';
  6955. $return .= '</td>';
  6956. }
  6957. $return .= '</tr>';
  6958. }
  6959. $return .= '<tr>';
  6960. $return .= '</tr>';
  6961. $return .= '</table>';
  6962. $return .= '<div style="padding-top:3px;">';
  6963. $return .= '<button class="save" name="submit_button" type="submit">' . get_lang('ModifyPrerequisites') . ' </button></td>';
  6964. $return .= '</div>';
  6965. $return .= '</form>';
  6966. $return .= '</div>';
  6967. return $return;
  6968. }
  6969. /**
  6970. * Return HTML list to allow prerequisites selection for lp
  6971. * @param integer Item ID
  6972. * @return string HTML form
  6973. */
  6974. public function display_lp_prerequisites_list() {
  6975. $course_id = api_get_course_int_id();
  6976. $lp_id = $this->lp_id;
  6977. $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
  6978. // get current prerequisite
  6979. $sql = "SELECT * FROM $tbl_lp WHERE c_id = $course_id AND id = $lp_id ";
  6980. $result = Database::query($sql);
  6981. $row = Database :: fetch_array($result);
  6982. $preq_id = $row['prerequisite'];
  6983. $session_id = api_get_session_id();
  6984. $session_condition = api_get_session_condition($session_id);
  6985. $sql = "SELECT * FROM $tbl_lp WHERE c_id = $course_id $session_condition ORDER BY display_order ";
  6986. $rs = Database::query($sql);
  6987. $return = '';
  6988. $return .= '<select name="prerequisites" >';
  6989. $return .= '<option value="0">'.get_lang('None').'</option>';
  6990. if (Database::num_rows($rs) > 0) {
  6991. while ($row = Database::fetch_array($rs)) {
  6992. if ($row['id'] == $lp_id) {
  6993. continue;
  6994. }
  6995. $return .= '<option value="'.$row['id'].'" '.(($row['id']==$preq_id)?' selected ' : '').'>'.$row['name'].'</option>';
  6996. }
  6997. }
  6998. $return .= '</select>';
  6999. return $return;
  7000. }
  7001. /**
  7002. * Creates a list with all the documents in it
  7003. * @return string
  7004. */
  7005. public function get_documents() {
  7006. $course_info = api_get_course_info();
  7007. require_once api_get_path(LIBRARY_PATH).'document.lib.php';
  7008. $document_tree = DocumentManager::get_document_preview($course_info, $this->lp_id);
  7009. return $document_tree;
  7010. }
  7011. /**
  7012. * Creates a list with all the exercises (quiz) in it
  7013. * @return string
  7014. */
  7015. public function get_exercises() {
  7016. $course_id = api_get_course_int_id();
  7017. // New for hotpotatoes.
  7018. $uploadPath = DIR_HOTPOTATOES; //defined in main_api
  7019. $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
  7020. $tbl_quiz = Database :: get_course_table(TABLE_QUIZ_TEST);
  7021. $session_id = api_get_session_id();
  7022. $condition_session = api_get_session_condition($session_id);
  7023. $sql_quiz = "SELECT * FROM $tbl_quiz WHERE c_id = $course_id AND active<>'-1' $condition_session ORDER BY title ASC";
  7024. $sql_hot = "SELECT * FROM $tbl_doc WHERE c_id = $course_id AND path LIKE '" . $uploadPath . "/%/%htm%' $condition_session ORDER BY id ASC";
  7025. $res_quiz = Database::query($sql_quiz);
  7026. $res_hot = Database::query($sql_hot);
  7027. $return = '<div class="lp_resource">';
  7028. $return .= '<div class="lp_resource_element">';
  7029. //$return .= Display::return_icon('new_exercice.png', '', array(), 32); //'<img alt="" src="../img/icons/ICON_SIZE_SMALL/exercise.gif" style="margin-right:5px;" title="" />';
  7030. $return .= '<img alt="" src="../img/new_test_small.gif" style="margin-right:5px;" title="" />';
  7031. $return .= '<a href="' . api_get_path(REL_CODE_PATH) . 'exercice/exercise_admin.php?lp_id=' . $this->lp_id . '">' . get_lang('NewExercise') . '</a>';
  7032. $return .= '</div>';
  7033. while ($row_hot = Database :: fetch_array($res_hot)) {
  7034. $return .= '<div class="lp_resource_element">';
  7035. // Display quizhotpotatoes.
  7036. $return .= '<img alt="hp" src="../img/hotpotatoes_s.png" style="margin-right:5px;" title="" width="18px" height="18px" />';
  7037. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=add_item&amp;type=' . TOOL_HOTPOTATOES . '&amp;file=' . $row_hot['id'] . '&amp;lp_id=' . $this->lp_id . '">' . ((!empty ($row_hot['comment'])) ? $row_hot['comment'] : Security :: remove_XSS($row_hot['title'])) . '</a>';
  7038. $return .= '</div>';
  7039. }
  7040. while ($row_quiz = Database :: fetch_array($res_quiz)) {
  7041. $return .= '<div class="lp_resource_element">';
  7042. $return .= '<img alt="" src="../img/quizz_small.gif" style="margin-right:5px;" title="" />';
  7043. //$return .= Display::return_icon('quiz.png', '', array(), 32); //'<img alt="" src="../img/icons/22/exercise.gif" style="margin-right:5px;" title="" />';
  7044. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=add_item&amp;type=' . TOOL_QUIZ . '&amp;file=' . $row_quiz['id'] . '&amp;lp_id=' . $this->lp_id . '">' .
  7045. Security :: remove_XSS(cut($row_quiz['title'], 80)).'</a>';
  7046. //$return .= $row_quiz['title'];
  7047. $return .= '</div>';
  7048. }
  7049. $return .= '</div>';
  7050. return $return;
  7051. }
  7052. /**
  7053. * Creates a list with all the links in it
  7054. * @return string
  7055. */
  7056. public function get_links() {
  7057. $course_id = api_get_course_int_id();
  7058. $tbl_link = Database :: get_course_table(TABLE_LINK);
  7059. $session_id = api_get_session_id();
  7060. $condition_session = api_get_session_condition($session_id);
  7061. $sql_link = "SELECT * FROM $tbl_link WHERE c_id = ".$course_id." $condition_session ORDER BY title ASC";
  7062. $res_link = Database::query($sql_link);
  7063. //$return .= '<div class="lp_resource_header"' . " onclick=\"javascript: 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>';
  7064. $return = '<div class="lp_resource">';
  7065. $return .= '<div class="lp_resource_element">';
  7066. $return .= '<img alt="" src="../img/linksnew.gif" style="margin-right:5px;width:16px" title="" />';
  7067. $return .= '<a href="' . api_get_path(REL_CODE_PATH) . 'link/link.php?' . api_get_cidreq() . '&action=addlink&amp;lp_id=' . $this->lp_id . '" title="' . get_lang('LinkAdd') . '">' . get_lang('LinkAdd') . '</a>';
  7068. $return .= '</div>';
  7069. while ($row_link = Database :: fetch_array($res_link)) {
  7070. $return .= '<div class="lp_resource_element">';
  7071. $return .= '<img alt="" src="../img/lp_link.gif" style="margin-right:5px;" title="" />';
  7072. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=add_item&amp;type=' . TOOL_LINK . '&amp;file=' . $row_link['id'] . '&amp;lp_id=' . $this->lp_id . '">' . $row_link['title'] . '</a>';
  7073. $return .= '</div>';
  7074. }
  7075. /*if (Database :: num_rows($res_link) == 0)
  7076. $return .= '<div class="lp_resource_element">' . get_lang('NoLinksAvailable') . '</div>';
  7077. */
  7078. $return .= '</div>';
  7079. return $return;
  7080. }
  7081. /**
  7082. * Creates a list with all the student publications in it
  7083. * @return unknown
  7084. */
  7085. public function get_student_publications() {
  7086. $course_id = api_get_course_int_id();
  7087. $tbl_student = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
  7088. $session_id = api_get_session_id();
  7089. $condition_session = api_get_session_condition($session_id);
  7090. $sql_student = "SELECT * FROM $tbl_student WHERE c_id = ".$course_id." $condition_session ORDER BY title ASC";
  7091. $res_student = Database::query($sql_student);
  7092. //$return .= '<div class="lp_resource_header"' . " onclick=\"javascript: 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>';
  7093. $return = '<div class="lp_resource" >';
  7094. $return .= '<div class="lp_resource_element">';
  7095. $return .= '<img align="left" alt="" src="../img/works_small.gif" style="margin-right:5px;" title="" />';
  7096. $return .= '<a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=add_item&amp;type=' . TOOL_STUDENTPUBLICATION . '&amp;lp_id=' . $this->lp_id . '">' . get_lang('AddAssignmentPage') . '</a>';
  7097. $return .= '</div>';
  7098. $return .= '</div>';
  7099. return $return;
  7100. }
  7101. /**
  7102. * Creates a list with all the forums in it
  7103. * @return string
  7104. */
  7105. public function get_forums() {
  7106. require_once '../forum/forumfunction.inc.php';
  7107. require_once '../forum/forumconfig.inc.php';
  7108. $a_forums = get_forums();
  7109. //$return .= '<div class="lp_resource_header"' . " onclick=\"javascript: 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>';
  7110. $return = '<div class="lp_resource">';
  7111. $return .= '<div class="lp_resource_element">';
  7112. $return .= '<img alt="" src="../img/forum_new_small.gif" style="margin-right:5px;" title="" />';
  7113. $return .= '<a href="' . api_get_path(REL_CODE_PATH) . 'forum/index.php?' . api_get_cidreq() . '&action=add&amp;content=forum&amp;origin=learnpath&amp;lp_id=' . $this->lp_id . '" title="' . get_lang('CreateANewForum') . '">' . get_lang('CreateANewForum') . '</a>';
  7114. $return .= '</div>';
  7115. foreach ($a_forums as $forum) {
  7116. $return .= '<div class="lp_resource_element_no_link">';
  7117. $return .= '<script type="text/javascript">
  7118. function toggle_forum(forum_id){
  7119. if(document.getElementById("forum_"+forum_id+"_content").style.display == "none"){
  7120. document.getElementById("forum_"+forum_id+"_content").style.display = "block";
  7121. document.getElementById("forum_"+forum_id+"_opener").src = "' . api_get_path(WEB_IMG_PATH) . 'remove.gif";
  7122. } else {
  7123. document.getElementById("forum_"+forum_id+"_content").style.display = "none";
  7124. document.getElementById("forum_"+forum_id+"_opener").src = "' . api_get_path(WEB_IMG_PATH) . 'add.gif";
  7125. }
  7126. }
  7127. </script>';
  7128. if (!empty($forum['forum_id'])) {
  7129. $return .= '<img alt="" src="../img/lp_forum.gif" style="margin-right:5px;" title="" />';
  7130. $return .= '<a style="cursor:hand" onclick="javascript: toggle_forum(' . $forum['forum_id'] . ')" style="vertical-align:middle">
  7131. <img src="' . api_get_path(WEB_IMG_PATH) . 'add.gif" id="forum_' . $forum['forum_id'] . '_opener" align="absbottom" />
  7132. </a>
  7133. <a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=add_item&amp;type=' . TOOL_FORUM . '&amp;forum_id=' . $forum['forum_id'] . '&amp;lp_id=' . $this->lp_id . '" style="vertical-align:middle">' . Security :: remove_XSS($forum['forum_title']) . '</a>
  7134. <ul style="display:none" id="forum_' . $forum['forum_id'] . '_content">';
  7135. }
  7136. $a_threads = get_threads($forum['forum_id']);
  7137. if (is_array($a_threads)) {
  7138. foreach ($a_threads as $thread) {
  7139. $return .= '<li><a href="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&amp;action=add_item&amp;type=' . TOOL_THREAD . '&amp;thread_id=' . $thread['thread_id'] . '&amp;lp_id=' . $this->lp_id . '">' . Security :: remove_XSS($thread['thread_title']) . '</a></li>';
  7140. }
  7141. }
  7142. $return .= '</ul></div>';
  7143. }
  7144. $return .= '</div>';
  7145. return $return;
  7146. }
  7147. /**
  7148. * // TODO: The output encoding should be equal to the system encoding.
  7149. *
  7150. * Exports the learning path as a SCORM package. This is the main function that
  7151. * gathers the content, transforms it, writes the imsmanifest.xml file, zips the
  7152. * whole thing and returns the zip.
  7153. *
  7154. * This method needs to be called in PHP5, as it will fail with non-adequate
  7155. * XML package (like the ones for PHP4), and it is *not* a static method, so
  7156. * you need to call it on a learnpath object.
  7157. * @TODO The method might be redefined later on in the scorm class itself to avoid
  7158. * creating a SCORM structure if there is one already. However, if the initial SCORM
  7159. * path has been modified, it should use the generic method here below.
  7160. * @TODO link this function with the export_lp() function in the same class
  7161. * @param string Optional name of zip file. If none, title of learnpath is
  7162. * domesticated and trailed with ".zip"
  7163. * @return string Returns the zip package string, or null if error
  7164. */
  7165. public function scorm_export() {
  7166. global $_course;
  7167. $course_id = api_get_course_int_id();
  7168. // Remove memory and time limits as much as possible as this might be a long process...
  7169. if (function_exists('ini_set')) {
  7170. $mem = ini_get('memory_limit');
  7171. if (substr($mem, -1, 1) == 'M') {
  7172. $mem_num = substr($mem, 0, -1);
  7173. if ($mem_num < 128) {
  7174. ini_set('memory_limit', '128M');
  7175. }
  7176. } else {
  7177. ini_set('memory_limit', '128M');
  7178. }
  7179. ini_set('max_execution_time', 600);
  7180. //} else {
  7181. //error_log('Scorm export: could not change memory and time limits', 0);
  7182. }
  7183. // Create the zip handler (this will remain available throughout the method).
  7184. $archive_path = api_get_path(SYS_ARCHIVE_PATH);
  7185. $sys_course_path = api_get_path(SYS_COURSE_PATH);
  7186. $temp_dir_short = uniqid();
  7187. $temp_zip_dir = $archive_path.'/'.$temp_dir_short;
  7188. $temp_zip_file = $temp_zip_dir.'/'.md5(time()).'.zip';
  7189. $zip_folder = new PclZip($temp_zip_file);
  7190. $current_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
  7191. $root_path = $main_path = api_get_path(SYS_PATH);
  7192. $files_cleanup = array();
  7193. // Place to temporarily stash the zipfiles.
  7194. // create the temp dir if it doesn't exist
  7195. // or do a cleanup befor creating the zipfile.
  7196. if (!is_dir($temp_zip_dir)) {
  7197. mkdir($temp_zip_dir, api_get_permissions_for_new_directories());
  7198. } else {
  7199. // Cleanup: Check the temp dir for old files and delete them.
  7200. $handle = opendir($temp_zip_dir);
  7201. while (false !== ($file = readdir($handle))) {
  7202. if ($file != '.' && $file != '..') {
  7203. unlink("$temp_zip_dir/$file");
  7204. }
  7205. }
  7206. closedir($handle);
  7207. }
  7208. $zip_files = $zip_files_abs = $zip_files_dist = array();
  7209. if (is_dir($current_course_path.'/scorm/'.$this->path) && is_file($current_course_path.'/scorm/'.$this->path.'/imsmanifest.xml')) {
  7210. // Remove the possible . at the end of the path.
  7211. $dest_path_to_lp = substr($this->path, -1) == '.' ? substr($this->path, 0, -1) : $this->path;
  7212. $dest_path_to_scorm_folder = str_replace('//','/',$temp_zip_dir.'/scorm/'.$dest_path_to_lp);
  7213. mkdir($dest_path_to_scorm_folder, api_get_permissions_for_new_directories(), true);
  7214. $zip_files_dist = copyr($current_course_path.'/scorm/'.$this->path, $dest_path_to_scorm_folder, array('imsmanifest'), $zip_files);
  7215. }
  7216. // Build a dummy imsmanifest structure. Do not add to the zip yet (we still need it).
  7217. // This structure is developed following regulations for SCORM 1.2 packaging in the SCORM 1.2 Content
  7218. // Aggregation Model official document, secion "2.3 Content Packaging".
  7219. $xmldoc = new DOMDocument('1.0'); // We are going to build a UTF-8 encoded manifest. Later we will recode it to the desired (and supported) encoding.
  7220. $root = $xmldoc->createElement('manifest');
  7221. $root->setAttribute('identifier', 'SingleCourseManifest');
  7222. $root->setAttribute('version', '1.1');
  7223. $root->setAttribute('xmlns', 'http://www.imsproject.org/xsd/imscp_rootv1p1p2');
  7224. $root->setAttribute('xmlns:adlcp', 'http://www.adlnet.org/xsd/adlcp_rootv1p2');
  7225. $root->setAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
  7226. $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');
  7227. // Build mandatory sub-root container elements.
  7228. $metadata = $xmldoc->createElement('metadata');
  7229. $md_schema = $xmldoc->createElement('schema', 'ADL SCORM');
  7230. $metadata->appendChild($md_schema);
  7231. $md_schemaversion = $xmldoc->createElement('schemaversion', '1.2');
  7232. $metadata->appendChild($md_schemaversion);
  7233. $root->appendChild($metadata);
  7234. $organizations = $xmldoc->createElement('organizations');
  7235. $resources = $xmldoc->createElement('resources');
  7236. // Build the only organization we will use in building our learnpaths.
  7237. $organizations->setAttribute('default', 'chamilo_scorm_export');
  7238. $organization = $xmldoc->createElement('organization');
  7239. $organization->setAttribute('identifier', 'chamilo_scorm_export');
  7240. // To set the title of the SCORM entity (=organization), we take the name given
  7241. // in Chamilo and convert it to HTML entities using the Chamilo charset (not the
  7242. // learning path charset) as it is the encoding that defines how it is stored
  7243. // in the database. Then we convert it to HTML entities again as the "&" character
  7244. // alone is not authorized in XML (must be &amp;).
  7245. // The title is then decoded twice when extracting (see scorm::parse_manifest).
  7246. $org_title = $xmldoc->createElement('title', api_utf8_encode($this->get_name()));
  7247. $organization->appendChild($org_title);
  7248. // For each element, add it to the imsmanifest structure, then add it to the zip.
  7249. // Always call the learnpathItem->scorm_export() method to change it to the SCORM format.
  7250. $link_updates = array();
  7251. foreach ($this->items as $index => $item) {
  7252. if (!in_array($item->type, array(TOOL_QUIZ, TOOL_FORUM, TOOL_THREAD, TOOL_LINK, TOOL_STUDENTPUBLICATION))) {
  7253. // Get included documents from this item.
  7254. if ($item->type == 'sco')
  7255. $inc_docs = $item->get_resources_from_source(null, api_get_path(SYS_COURSE_PATH).api_get_course_path().'/'.'scorm/'.$this->path.'/'.$item->get_path());
  7256. else
  7257. $inc_docs = $item->get_resources_from_source();
  7258. // Give a child element <item> to the <organization> element.
  7259. $my_item_id = $item->get_id();
  7260. $my_item = $xmldoc->createElement('item');
  7261. $my_item->setAttribute('identifier', 'ITEM_'.$my_item_id);
  7262. $my_item->setAttribute('identifierref', 'RESOURCE_'.$my_item_id);
  7263. $my_item->setAttribute('isvisible', 'true');
  7264. // Give a child element <title> to the <item> element.
  7265. $my_title = $xmldoc->createElement('title', htmlspecialchars(api_utf8_encode($item->get_title()), ENT_QUOTES, 'UTF-8'));
  7266. $my_item->appendChild($my_title);
  7267. // Give a child element <adlcp:prerequisites> to the <item> element.
  7268. $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $this->get_scorm_prereq_string($my_item_id));
  7269. $my_prereqs->setAttribute('type', 'aicc_script');
  7270. $my_item->appendChild($my_prereqs);
  7271. // Give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported.
  7272. //$xmldoc->createElement('adlcp:maxtimeallowed','');
  7273. // Give a child element <adlcp:timelimitaction> to the <item> element - not yet supported.
  7274. //$xmldoc->createElement('adlcp:timelimitaction','');
  7275. // Give a child element <adlcp:datafromlms> to the <item> element - not yet supported.
  7276. //$xmldoc->createElement('adlcp:datafromlms','');
  7277. // Give a child element <adlcp:masteryscore> to the <item> element.
  7278. $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
  7279. $my_item->appendChild($my_masteryscore);
  7280. // Attach this item to the organization element or hits parent if there is one.
  7281. if (!empty($item->parent) && $item->parent != 0) {
  7282. $children = $organization->childNodes;
  7283. $possible_parent = &$this->get_scorm_xml_node($children, 'ITEM_'.$item->parent);
  7284. if (is_object($possible_parent)) {
  7285. $possible_parent->appendChild($my_item);
  7286. } else {
  7287. if ($this->debug > 0) { error_log('Parent ITEM_'.$item->parent.' of item ITEM_'.$my_item_id.' not found'); }
  7288. }
  7289. } else {
  7290. if ($this->debug > 0) { error_log('No parent'); }
  7291. $organization->appendChild($my_item);
  7292. }
  7293. // Get the path of the file(s) from the course directory root.
  7294. $my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
  7295. //$my_xml_file_path = api_htmlentities(api_utf8_encode($my_file_path), ENT_QUOTES, 'UTF-8');
  7296. $my_xml_file_path = $my_file_path;
  7297. $my_sub_dir = dirname($my_file_path);
  7298. $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
  7299. //$my_xml_sub_dir = api_htmlentities(api_utf8_encode($my_sub_dir), ENT_QUOTES, 'UTF-8');
  7300. $my_xml_sub_dir = $my_sub_dir;
  7301. // Give a <resource> child to the <resources> element
  7302. $my_resource = $xmldoc->createElement('resource');
  7303. $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
  7304. $my_resource->setAttribute('type', 'webcontent');
  7305. $my_resource->setAttribute('href', $my_xml_file_path);
  7306. // adlcp:scormtype can be either 'sco' or 'asset'.
  7307. if ($item->type == 'sco') {
  7308. $my_resource->setAttribute('adlcp:scormtype', 'sco');
  7309. } else {
  7310. $my_resource->setAttribute('adlcp:scormtype', 'asset');
  7311. }
  7312. // xml:base is the base directory to find the files declared in this resource.
  7313. $my_resource->setAttribute('xml:base', '');
  7314. // Give a <file> child to the <resource> element.
  7315. $my_file = $xmldoc->createElement('file');
  7316. $my_file->setAttribute('href', $my_xml_file_path);
  7317. $my_resource->appendChild($my_file);
  7318. // Dependency to other files - not yet supported.
  7319. $i = 1;
  7320. foreach ($inc_docs as $doc_info) {
  7321. if (count($doc_info) < 1 || empty($doc_info[0])) { continue; }
  7322. $my_dep = $xmldoc->createElement('resource');
  7323. $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
  7324. $my_dep->setAttribute('identifier', $res_id);
  7325. $my_dep->setAttribute('type', 'webcontent');
  7326. $my_dep->setAttribute('adlcp:scormtype', 'asset');
  7327. $my_dep_file = $xmldoc->createElement('file');
  7328. // Check type of URL.
  7329. //error_log(__LINE__.'Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2], 0);
  7330. if ($doc_info[1] == 'remote') {
  7331. // Remote file. Save url as is.
  7332. $my_dep_file->setAttribute('href', $doc_info[0]);
  7333. $my_dep->setAttribute('xml:base', '');
  7334. } elseif ($doc_info[1] == 'local') {
  7335. switch ($doc_info[2]) {
  7336. case 'url': // Local URL - save path as url for now, don't zip file.
  7337. $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH), '', $doc_info[0]);
  7338. $current_dir = dirname($abs_path);
  7339. $current_dir = str_replace('\\', '/', $current_dir);
  7340. $file_path = realpath($abs_path);
  7341. $file_path = str_replace('\\', '/', $file_path);
  7342. $my_dep_file->setAttribute('href', $file_path);
  7343. $my_dep->setAttribute('xml:base', '');
  7344. if (strstr($file_path, $main_path) !== false) {
  7345. // The calculated real path is really inside Chamilo's root path.
  7346. // Reduce file path to what's under the DocumentRoot.
  7347. $file_path = substr($file_path, strlen($root_path) - 1);
  7348. //echo $file_path;echo '<br /><br />';
  7349. //error_log(__LINE__.'Reduced url path: '.$file_path, 0);
  7350. $zip_files_abs[] = $file_path;
  7351. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7352. $my_dep_file->setAttribute('href', $file_path);
  7353. $my_dep->setAttribute('xml:base', '');
  7354. }
  7355. elseif (empty($file_path)) {
  7356. /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));
  7357. if (strpos($document_root, -1) == '/') {
  7358. $document_root = substr(0, -1, $document_root);
  7359. }*/
  7360. $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
  7361. $file_path = str_replace('//', '/', $file_path);
  7362. if (file_exists($file_path)) {
  7363. $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
  7364. $zip_files[] = $my_sub_dir.'/'.$file_path;
  7365. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7366. $my_dep_file->setAttribute('href', $file_path);
  7367. $my_dep->setAttribute('xml:base', '');
  7368. }
  7369. }
  7370. break;
  7371. case 'abs': // Absolute path from DocumentRoot. Save file and leave path as is in the zip.
  7372. $my_dep_file->setAttribute('href', $doc_info[0]);
  7373. $my_dep->setAttribute('xml:base', '');
  7374. //$current_dir = str_replace('\\', '/', dirname($current_course_path.'/'.$item->get_file_path())).'/';
  7375. // The next lines fix a bug when using the "subdir" mode of Chamilo, whereas
  7376. // an image path would be constructed as /var/www/subdir/subdir/img/foo.bar
  7377. $abs_img_path_without_subdir = $doc_info[0];
  7378. $relp = api_get_path(REL_PATH); // The url-append config param.
  7379. $pos = strpos($abs_img_path_without_subdir, $relp);
  7380. if ($pos === 0) {
  7381. $abs_img_path_without_subdir = '/'.substr($abs_img_path_without_subdir, strlen($relp));
  7382. }
  7383. //$file_path = realpath(api_get_path(SYS_PATH).$doc_info[0]);
  7384. $file_path = realpath(api_get_path(SYS_PATH).$abs_img_path_without_subdir);
  7385. $file_path = str_replace('\\', '/', $file_path);
  7386. $file_path = str_replace('//', '/', $file_path);
  7387. //error_log(__LINE__.'Abs path: '.$file_path, 0);
  7388. // Prepare the current directory path (until just under 'document') with a trailing slash.
  7389. $cur_path = substr($current_course_path, -1) == '/' ? $current_course_path : $current_course_path.'/';
  7390. // Check if the current document is in that path.
  7391. if (strstr($file_path, $cur_path) !== false) {
  7392. // The document is in that path, now get the relative path
  7393. // to the containing document.
  7394. $orig_file_path = dirname($cur_path.$my_file_path).'/';
  7395. $orig_file_path = str_replace('\\', '/', $orig_file_path);
  7396. $relative_path = '';
  7397. if (strstr($file_path, $cur_path) !== false) {
  7398. $relative_path = substr($file_path, strlen($orig_file_path));
  7399. $file_path = substr($file_path, strlen($cur_path));
  7400. } else {
  7401. // This case is still a problem as it's difficult to calculate a relative path easily
  7402. // might still generate wrong links.
  7403. //$file_path = substr($file_path,strlen($cur_path));
  7404. // Calculate the directory path to the current file (without trailing slash).
  7405. $my_relative_path = dirname($file_path);
  7406. $my_relative_path = str_replace('\\', '/', $my_relative_path);
  7407. $my_relative_file = basename($file_path);
  7408. // Calculate the directory path to the containing file (without trailing slash).
  7409. $my_orig_file_path = substr($orig_file_path, 0, -1);
  7410. $dotdot = '';
  7411. $subdir = '';
  7412. while (strstr($my_relative_path, $my_orig_file_path) === false && (strlen($my_orig_file_path) > 1) && (strlen($my_relative_path) > 1)) {
  7413. $my_relative_path2 = dirname($my_relative_path);
  7414. $my_relative_path2 = str_replace('\\', '/', $my_relative_path2);
  7415. $my_orig_file_path = dirname($my_orig_file_path);
  7416. $my_orig_file_path = str_replace('\\', '/', $my_orig_file_path);
  7417. $subdir = substr($my_relative_path, strlen($my_relative_path2) + 1).'/'.$subdir;
  7418. $dotdot += '../';
  7419. $my_relative_path = $my_relative_path2;
  7420. }
  7421. $relative_path = $dotdot.$subdir.$my_relative_file;
  7422. }
  7423. // Put the current document in the zip (this array is the array
  7424. // that will manage documents already in the course folder - relative).
  7425. $zip_files[] = $file_path;
  7426. // Update the links to the current document in the containing document (make them relative).
  7427. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $relative_path);
  7428. $my_dep_file->setAttribute('href', $file_path);
  7429. $my_dep->setAttribute('xml:base', '');
  7430. }
  7431. elseif (strstr($file_path,$main_path) !== false) {
  7432. // The calculated real path is really inside Chamilo's root path.
  7433. // Reduce file path to what's under the DocumentRoot.
  7434. $file_path = substr($file_path, strlen($root_path));
  7435. //echo $file_path;echo '<br /><br />';
  7436. //error_log('Reduced path: '.$file_path, 0);
  7437. $zip_files_abs[] = $file_path;
  7438. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7439. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7440. $my_dep->setAttribute('xml:base', '');
  7441. }
  7442. elseif (empty($file_path)) {
  7443. /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));
  7444. if(strpos($document_root,-1) == '/') {
  7445. $document_root = substr(0, -1, $document_root);
  7446. }*/
  7447. $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
  7448. $file_path = str_replace('//', '/', $file_path);
  7449. if (file_exists($file_path)) {
  7450. $file_path = substr($file_path,strlen($current_dir)); // We get the relative path.
  7451. $zip_files[] = $my_sub_dir.'/'.$file_path;
  7452. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7453. $my_dep_file->setAttribute('href','document/'.$file_path);
  7454. $my_dep->setAttribute('xml:base', '');
  7455. }
  7456. }
  7457. break;
  7458. case 'rel': // Path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
  7459. if (substr($doc_info[0], 0, 2) == '..') {
  7460. // Relative path going up.
  7461. $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
  7462. $current_dir = str_replace('\\', '/', $current_dir);
  7463. $file_path = realpath($current_dir.$doc_info[0]);
  7464. $file_path = str_replace('\\', '/', $file_path);
  7465. //error_log($file_path.' <-> '.$main_path,0);
  7466. if (strstr($file_path, $main_path) !== false) {
  7467. // The calculated real path is really inside Chamilo's root path.
  7468. // Reduce file path to what's under the DocumentRoot.
  7469. $file_path = substr($file_path, strlen($root_path));
  7470. //error_log('Reduced path: '.$file_path, 0);
  7471. $zip_files_abs[] = $file_path;
  7472. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7473. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7474. $my_dep->setAttribute('xml:base', '');
  7475. }
  7476. } else {
  7477. $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
  7478. $my_dep_file->setAttribute('href', $doc_info[0]);
  7479. $my_dep->setAttribute('xml:base', $my_xml_sub_dir);
  7480. }
  7481. break;
  7482. default:
  7483. $my_dep_file->setAttribute('href', $doc_info[0]);
  7484. $my_dep->setAttribute('xml:base', '');
  7485. break;
  7486. }
  7487. }
  7488. $my_dep->appendChild($my_dep_file);
  7489. $resources->appendChild($my_dep);
  7490. $dependency = $xmldoc->createElement('dependency');
  7491. $dependency->setAttribute('identifierref', $res_id);
  7492. $my_resource->appendChild($dependency);
  7493. $i++;
  7494. }
  7495. //$my_dependency = $xmldoc->createElement('dependency');
  7496. //$my_dependency->setAttribute('identifierref', '');
  7497. $resources->appendChild($my_resource);
  7498. $zip_files[] = $my_file_path;
  7499. //error_log('File '.$my_file_path. ' added to $zip_files', 0);
  7500. } else {
  7501. // If the item is a quiz or a link or whatever non-exportable, we include a step indicating it.
  7502. if ($item->type == TOOL_LINK) {
  7503. $my_item = $xmldoc->createElement('item');
  7504. $my_item->setAttribute('identifier', 'ITEM_'.$item->get_id());
  7505. $my_item->setAttribute('identifierref', 'RESOURCE_'.$item->get_id());
  7506. $my_item->setAttribute('isvisible', 'true');
  7507. // Give a child element <title> to the <item> element.
  7508. $my_title = $xmldoc->createElement('title', htmlspecialchars(api_utf8_encode($item->get_title()), ENT_QUOTES, 'UTF-8'));
  7509. $my_item->appendChild($my_title);
  7510. // Give a child element <adlcp:prerequisites> to the <item> element.
  7511. $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $item->get_prereq_string());
  7512. $my_prereqs->setAttribute('type', 'aicc_script');
  7513. $my_item->appendChild($my_prereqs);
  7514. // Give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported.
  7515. //$xmldoc->createElement('adlcp:maxtimeallowed', '');
  7516. // Give a child element <adlcp:timelimitaction> to the <item> element - not yet supported.
  7517. //$xmldoc->createElement('adlcp:timelimitaction', '');
  7518. // Give a child element <adlcp:datafromlms> to the <item> element - not yet supported.
  7519. //$xmldoc->createElement('adlcp:datafromlms', '');
  7520. // Give a child element <adlcp:masteryscore> to the <item> element.
  7521. $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
  7522. $my_item->appendChild($my_masteryscore);
  7523. // Attach this item to the organization element or its parent if there is one.
  7524. if (!empty($item->parent) && $item->parent != 0) {
  7525. $children = $organization->childNodes;
  7526. for ($i = 0; $i < $children->length; $i++) {
  7527. $item_temp = $children->item($i);
  7528. if ($item_temp -> nodeName == 'item') {
  7529. if ($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent) {
  7530. $item_temp -> appendChild($my_item);
  7531. }
  7532. }
  7533. }
  7534. } else {
  7535. $organization->appendChild($my_item);
  7536. }
  7537. $my_file_path = 'link_'.$item->get_id().'.html';
  7538. $sql = 'SELECT url, title FROM '.Database :: get_course_table(TABLE_LINK).' WHERE c_id = '.$course_id.' AND id='.$item->path;
  7539. $rs = Database::query($sql);
  7540. if ($link = Database :: fetch_array($rs)) {
  7541. $url = $link['url'];
  7542. $title = stripslashes($link['title']);
  7543. $links_to_create[$my_file_path] = array('title' => $title, 'url' => $url);
  7544. //$my_xml_file_path = api_htmlentities(api_utf8_encode($my_file_path), ENT_QUOTES, 'UTF-8');
  7545. $my_xml_file_path = $my_file_path;
  7546. $my_sub_dir = dirname($my_file_path);
  7547. $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
  7548. //$my_xml_sub_dir = api_htmlentities(api_utf8_encode($my_sub_dir), ENT_QUOTES, 'UTF-8');
  7549. $my_xml_sub_dir = $my_sub_dir;
  7550. // Give a <resource> child to the <resources> element.
  7551. $my_resource = $xmldoc->createElement('resource');
  7552. $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
  7553. $my_resource->setAttribute('type', 'webcontent');
  7554. $my_resource->setAttribute('href', $my_xml_file_path);
  7555. // adlcp:scormtype can be either 'sco' or 'asset'.
  7556. $my_resource->setAttribute('adlcp:scormtype', 'asset');
  7557. // xml:base is the base directory to find the files declared in this resource.
  7558. $my_resource->setAttribute('xml:base', '');
  7559. // give a <file> child to the <resource> element.
  7560. $my_file = $xmldoc->createElement('file');
  7561. $my_file->setAttribute('href', $my_xml_file_path);
  7562. $my_resource->appendChild($my_file);
  7563. $resources->appendChild($my_resource);
  7564. }
  7565. }
  7566. elseif ($item->type == TOOL_QUIZ) {
  7567. require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.class.php';
  7568. $exe_id = $item->path; // Should be using ref when everything will be cleaned up in this regard.
  7569. $exe = new Exercise();
  7570. $exe->read($exe_id);
  7571. $my_item = $xmldoc->createElement('item');
  7572. $my_item->setAttribute('identifier', 'ITEM_'.$item->get_id());
  7573. $my_item->setAttribute('identifierref', 'RESOURCE_'.$item->get_id());
  7574. $my_item->setAttribute('isvisible', 'true');
  7575. // Give a child element <title> to the <item> element.
  7576. $my_title = $xmldoc->createElement('title', htmlspecialchars(api_utf8_encode($item->get_title()), ENT_QUOTES, 'UTF-8'));
  7577. $my_item->appendChild($my_title);
  7578. $my_max_score = $xmldoc->createElement('max_score', $item->get_max());
  7579. //$my_item->appendChild($my_max_score);
  7580. // Give a child element <adlcp:prerequisites> to the <item> element.
  7581. $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $item->get_prereq_string());
  7582. $my_prereqs->setAttribute('type','aicc_script');
  7583. $my_item->appendChild($my_prereqs);
  7584. // Give a child element <adlcp:masteryscore> to the <item> element.
  7585. $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
  7586. $my_item->appendChild($my_masteryscore);
  7587. // Attach this item to the organization element or hits parent if there is one.
  7588. if (!empty($item->parent) && $item->parent != 0) {
  7589. $children = $organization->childNodes;
  7590. for ($i = 0; $i < $children->length; $i++) {
  7591. $item_temp = $children->item($i);
  7592. if ($item_temp -> nodeName == 'item') {
  7593. if ($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent) {
  7594. $item_temp -> appendChild($my_item);
  7595. }
  7596. }
  7597. }
  7598. } else {
  7599. $organization->appendChild($my_item);
  7600. }
  7601. // Include export scripts.
  7602. require_once api_get_path(SYS_CODE_PATH).'exercice/export/scorm/scorm_export.php';
  7603. // Get the path of the file(s) from the course directory root
  7604. //$my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
  7605. $my_file_path = 'quiz_'.$item->get_id().'.html';
  7606. // Write the contents of the exported exercise into a (big) html file
  7607. // to later pack it into the exported SCORM. The file will be removed afterwards.
  7608. $contents = export_exercise($exe_id,true);
  7609. $tmp_file_path = $archive_path.$temp_dir_short.'/'.$my_file_path;
  7610. $res = file_put_contents($tmp_file_path, $contents);
  7611. if ($res === false) { error_log('Could not write into file '.$tmp_file_path.' '.__FILE__.' '.__LINE__, 0); }
  7612. $files_cleanup[] = $tmp_file_path;
  7613. //error_log($tmp_path); die();
  7614. //$my_xml_file_path = api_htmlentities(api_utf8_encode($my_file_path), ENT_QUOTES, 'UTF-8');
  7615. $my_xml_file_path = $my_file_path;
  7616. $my_sub_dir = dirname($my_file_path);
  7617. $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
  7618. //$my_xml_sub_dir = api_htmlentities(api_utf8_encode($my_sub_dir), ENT_QUOTES, 'UTF-8');
  7619. $my_xml_sub_dir = $my_sub_dir;
  7620. // Give a <resource> child to the <resources> element.
  7621. $my_resource = $xmldoc->createElement('resource');
  7622. $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
  7623. $my_resource->setAttribute('type', 'webcontent');
  7624. $my_resource->setAttribute('href', $my_xml_file_path);
  7625. // adlcp:scormtype can be either 'sco' or 'asset'.
  7626. $my_resource->setAttribute('adlcp:scormtype', 'sco');
  7627. // xml:base is the base directory to find the files declared in this resource.
  7628. $my_resource->setAttribute('xml:base', '');
  7629. // Give a <file> child to the <resource> element.
  7630. $my_file = $xmldoc->createElement('file');
  7631. $my_file->setAttribute('href', $my_xml_file_path);
  7632. $my_resource->appendChild($my_file);
  7633. // Get included docs.
  7634. $inc_docs = $item->get_resources_from_source(null,$tmp_file_path);
  7635. // Dependency to other files - not yet supported.
  7636. $i = 1;
  7637. foreach ($inc_docs as $doc_info) {
  7638. if (count($doc_info) < 1 || empty($doc_info[0])) { continue; }
  7639. $my_dep = $xmldoc->createElement('resource');
  7640. $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
  7641. $my_dep->setAttribute('identifier', $res_id);
  7642. $my_dep->setAttribute('type', 'webcontent');
  7643. $my_dep->setAttribute('adlcp:scormtype', 'asset');
  7644. $my_dep_file = $xmldoc->createElement('file');
  7645. // Check type of URL.
  7646. //error_log(__LINE__.'Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2], 0);
  7647. if ($doc_info[1] == 'remote') {
  7648. // Remote file. Save url as is.
  7649. $my_dep_file->setAttribute('href', $doc_info[0]);
  7650. $my_dep->setAttribute('xml:base', '');
  7651. } elseif ($doc_info[1] == 'local') {
  7652. switch ($doc_info[2]) {
  7653. case 'url': // Local URL - save path as url for now, don't zip file.
  7654. // Save file but as local file (retrieve from URL).
  7655. $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH), '', $doc_info[0]);
  7656. $current_dir = dirname($abs_path);
  7657. $current_dir = str_replace('\\', '/', $current_dir);
  7658. $file_path = realpath($abs_path);
  7659. $file_path = str_replace('\\', '/', $file_path);
  7660. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7661. $my_dep->setAttribute('xml:base', '');
  7662. if (strstr($file_path, $main_path) !== false) {
  7663. // The calculated real path is really inside the chamilo root path.
  7664. // Reduce file path to what's under the DocumentRoot.
  7665. $file_path = substr($file_path, strlen($root_path));
  7666. //echo $file_path;echo '<br /><br />';
  7667. //error_log('Reduced path: '.$file_path, 0);
  7668. $zip_files_abs[] = $file_path;
  7669. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => 'document/'.$file_path);
  7670. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7671. $my_dep->setAttribute('xml:base', '');
  7672. }
  7673. elseif (empty($file_path)) {
  7674. /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
  7675. if (strpos($document_root,-1) == '/') {
  7676. $document_root = substr(0, -1, $document_root);
  7677. }*/
  7678. $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
  7679. $file_path = str_replace('//', '/', $file_path);
  7680. if (file_exists($file_path)) {
  7681. $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
  7682. $zip_files[] = $my_sub_dir.'/'.$file_path;
  7683. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => 'document/'.$file_path);
  7684. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7685. $my_dep->setAttribute('xml:base', '');
  7686. }
  7687. }
  7688. break;
  7689. case 'abs': // Absolute path from DocumentRoot. Save file and leave path as is in the zip.
  7690. $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
  7691. $current_dir = str_replace('\\', '/', $current_dir);
  7692. $file_path = realpath($doc_info[0]);
  7693. $file_path = str_replace('\\', '/', $file_path);
  7694. $my_dep_file->setAttribute('href', $file_path);
  7695. $my_dep->setAttribute('xml:base', '');
  7696. if (strstr($file_path,$main_path) !== false) {
  7697. // The calculated real path is really inside the chamilo root path.
  7698. // Reduce file path to what's under the DocumentRoot.
  7699. $file_path = substr($file_path, strlen($root_path));
  7700. //echo $file_path;echo '<br /><br />';
  7701. //error_log('Reduced path: '.$file_path, 0);
  7702. $zip_files_abs[] = $file_path;
  7703. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7704. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7705. $my_dep->setAttribute('xml:base', '');
  7706. }
  7707. elseif (empty($file_path)) {
  7708. /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));
  7709. if (strpos($document_root,-1) == '/') {
  7710. $document_root = substr(0, -1, $document_root);
  7711. }*/
  7712. $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
  7713. $file_path = str_replace('//', '/', $file_path);
  7714. if (file_exists($file_path)) {
  7715. $file_path = substr($file_path,strlen($current_dir)); // We get the relative path.
  7716. $zip_files[] = $my_sub_dir.'/'.$file_path;
  7717. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
  7718. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7719. $my_dep->setAttribute('xml:base', '');
  7720. }
  7721. }
  7722. break;
  7723. case 'rel': // Path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
  7724. if (substr($doc_info[0], 0, 2) == '..') {
  7725. // Relative path going up.
  7726. $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
  7727. $current_dir = str_replace('\\', '/', $current_dir);
  7728. $file_path = realpath($current_dir.$doc_info[0]);
  7729. $file_path = str_replace('\\', '/', $file_path);
  7730. //error_log($file_path.' <-> '.$main_path, 0);
  7731. if (strstr($file_path, $main_path) !== false) {
  7732. // The calculated real path is really inside Chamilo's root path.
  7733. // Reduce file path to what's under the DocumentRoot.
  7734. $file_path = substr($file_path, strlen($root_path));
  7735. $file_path_dest = $file_path;
  7736. // File path is courses/CHAMILO/document/....
  7737. $info_file_path = explode('/', $file_path);
  7738. if ($info_file_path[0] == 'courses') { // Add character "/" in file path.
  7739. $file_path_dest = 'document/'.$file_path;
  7740. }
  7741. //error_log('Reduced path: '.$file_path, 0);
  7742. $zip_files_abs[] = $file_path;
  7743. $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path_dest);
  7744. $my_dep_file->setAttribute('href', 'document/'.$file_path);
  7745. $my_dep->setAttribute('xml:base', '');
  7746. }
  7747. } else {
  7748. $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
  7749. $my_dep_file->setAttribute('href', $doc_info[0]);
  7750. $my_dep->setAttribute('xml:base', $my_xml_sub_dir);
  7751. }
  7752. break;
  7753. default:
  7754. $my_dep_file->setAttribute('href', $doc_info[0]); // ../../courses/
  7755. $my_dep->setAttribute('xml:base', '');
  7756. break;
  7757. }
  7758. }
  7759. $my_dep->appendChild($my_dep_file);
  7760. $resources->appendChild($my_dep);
  7761. $dependency = $xmldoc->createElement('dependency');
  7762. $dependency->setAttribute('identifierref', $res_id);
  7763. $my_resource->appendChild($dependency);
  7764. $i++;
  7765. }
  7766. $resources->appendChild($my_resource);
  7767. $zip_files[] = $my_file_path;
  7768. } else {
  7769. // Get the path of the file(s) from the course directory root
  7770. $my_file_path = 'non_exportable.html';
  7771. //$my_xml_file_path = api_htmlentities(api_utf8_encode($my_file_path), ENT_COMPAT, 'UTF-8');
  7772. $my_xml_file_path = $my_file_path;
  7773. $my_sub_dir = dirname($my_file_path);
  7774. $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
  7775. //$my_xml_sub_dir = api_htmlentities(api_utf8_encode($my_sub_dir), ENT_COMPAT, 'UTF-8');
  7776. $my_xml_sub_dir = $my_sub_dir;
  7777. // Give a <resource> child to the <resources> element.
  7778. $my_resource = $xmldoc->createElement('resource');
  7779. $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
  7780. $my_resource->setAttribute('type', 'webcontent');
  7781. $my_resource->setAttribute('href', 'document/'.$my_xml_file_path);
  7782. // adlcp:scormtype can be either 'sco' or 'asset'.
  7783. $my_resource->setAttribute('adlcp:scormtype', 'asset');
  7784. // xml:base is the base directory to find the files declared in this resource.
  7785. $my_resource->setAttribute('xml:base', '');
  7786. // Give a <file> child to the <resource> element.
  7787. $my_file = $xmldoc->createElement('file');
  7788. $my_file->setAttribute('href', 'document/'.$my_xml_file_path);
  7789. $my_resource->appendChild($my_file);
  7790. $resources->appendChild($my_resource);
  7791. }
  7792. }
  7793. }
  7794. $organizations->appendChild($organization);
  7795. $root->appendChild($organizations);
  7796. $root->appendChild($resources);
  7797. $xmldoc->appendChild($root);
  7798. // TODO: Add a readme file here, with a short description and a link to the Reload player
  7799. // then add the file to the zip, then destroy the file (this is done automatically).
  7800. // http://www.reload.ac.uk/scormplayer.html - once done, don't forget to close FS#138
  7801. //error_log(print_r($zip_files,true), 0);
  7802. foreach ($zip_files as $file_path) {
  7803. if (empty($file_path)) { continue; }
  7804. //error_log(__LINE__.'getting document from '.$sys_course_path.$_course['path'].'/'.$file_path.' removing '.$sys_course_path.$_course['path'].'/',0);
  7805. $dest_file = $archive_path.$temp_dir_short.'/'.$file_path;
  7806. $this->create_path($dest_file);
  7807. //error_log('copy '.api_get_path(SYS_COURSE_PATH).$_course['path'].'/'.$file_path.' to '.api_get_path(SYS_ARCHIVE_PATH).$temp_dir_short.'/'.$file_path,0);
  7808. //echo $main_path.$file_path.'<br />';
  7809. @copy($sys_course_path.$_course['path'].'/'.$file_path, $dest_file);
  7810. // Check if the file needs a link update.
  7811. if (in_array($file_path, array_keys($link_updates))) {
  7812. $string = file_get_contents($dest_file);
  7813. unlink($dest_file);
  7814. foreach ($link_updates[$file_path] as $old_new) {
  7815. //error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path, 0);
  7816. // This is an ugly hack that allows .flv files to be found by the flv player that
  7817. // will be added in document/main/inc/lib/flv_player/flv_player.swf and that needs
  7818. // to find the flv to play in document/main/, so we replace main/ in the flv path by
  7819. // ../../.. to return from inc/lib/flv_player to the document/main path.
  7820. if (substr($old_new['dest'], -3) == 'flv' && substr($old_new['dest'], 0, 5) == 'main/') {
  7821. $old_new['dest'] = str_replace('main/', '../../../', $old_new['dest']);
  7822. }
  7823. elseif (substr($old_new['dest'], -3) == 'flv' && substr($old_new['dest'], 0, 6) == 'video/') {
  7824. $old_new['dest'] = str_replace('video/', '../../../../video/', $old_new['dest']);
  7825. }
  7826. $string = str_replace($old_new['orig'], $old_new['dest'], $string);
  7827. }
  7828. file_put_contents($dest_file, $string);
  7829. }
  7830. }
  7831. foreach ($zip_files_abs as $file_path) {
  7832. if (empty($file_path)) { continue; }
  7833. //error_log(__LINE__.'checking existence of '.$main_path.$file_path.'', 0);
  7834. if (!is_file($main_path.$file_path) || !is_readable($main_path.$file_path)) { continue; }
  7835. //error_log(__LINE__.'getting document from '.$main_path.$file_path.' removing '.api_get_path(SYS_COURSE_PATH).$_course['path'].'/', 0);
  7836. $dest_file = $archive_path.$temp_dir_short.'/document/'.$file_path;
  7837. $this->create_path($dest_file);
  7838. //error_log('Created path '.api_get_path(SYS_ARCHIVE_PATH).$temp_dir_short.'/document/'.$file_path, 0);
  7839. //error_log('copy '.api_get_path(SYS_COURSE_PATH).$_course['path'].'/'.$file_path.' to '.api_get_path(SYS_ARCHIVE_PATH).$temp_dir_short.'/'.$file_path, 0);
  7840. //echo $main_path.$file_path.' - '.$dest_file.'<br />';
  7841. copy($main_path.$file_path, $dest_file);
  7842. // Check if the file needs a link update.
  7843. if (in_array($file_path, array_keys($link_updates))) {
  7844. $string = file_get_contents($dest_file);
  7845. unlink($dest_file);
  7846. foreach ($link_updates[$file_path] as $old_new) {
  7847. //error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path, 0);
  7848. // This is an ugly hack that allows .flv files to be found by the flv player that
  7849. // will be added in document/main/inc/lib/flv_player/flv_player.swf and that needs
  7850. // to find the flv to play in document/main/, so we replace main/ in the flv path by
  7851. // ../../.. to return from inc/lib/flv_player to the document/main path.
  7852. if (substr($old_new['dest'], -3) == 'flv' && substr($old_new['dest'], 0, 5) == 'main/') {
  7853. $old_new['dest'] = str_replace('main/', '../../../', $old_new['dest']);
  7854. }
  7855. $string = str_replace($old_new['orig'], $old_new['dest'], $string);
  7856. }
  7857. file_put_contents($dest_file, $string);
  7858. }
  7859. }
  7860. if (is_array($links_to_create)) {
  7861. foreach ($links_to_create as $file => $link) {
  7862. $file_content = '<!DOCTYPE html
  7863. PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  7864. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  7865. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.api_get_language_isocode().'" lang="'.api_get_language_isocode().'">
  7866. <head>
  7867. <title>'.$link['title'].'</title>
  7868. <meta http-equiv="Content-Type" content="text/html; charset='.api_get_system_encoding().'" />
  7869. </head>
  7870. <body dir="'.api_get_text_direction().'">
  7871. <div style="text-align:center"><a href="'.$link['url'].'">'.$link['title'].'</a></div>
  7872. </body>
  7873. </html>';
  7874. file_put_contents($archive_path.$temp_dir_short.'/'.$file, $file_content);
  7875. }
  7876. }
  7877. // Add non exportable message explanation.
  7878. $lang_not_exportable = get_lang('ThisItemIsNotExportable');
  7879. $file_content = '<!DOCTYPE html
  7880. PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  7881. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  7882. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.api_get_language_isocode().'" lang="'.api_get_language_isocode().'">
  7883. <head>
  7884. <title>'.$lang_not_exportable.'</title>
  7885. <meta http-equiv="Content-Type" content="text/html; charset='.api_get_system_encoding().'" />
  7886. </head>
  7887. <body dir="'.api_get_text_direction().'">
  7888. ';
  7889. $file_content .=
  7890. <<<EOD
  7891. <style>
  7892. .error-message {
  7893. font-family: arial, verdana, helvetica, sans-serif;
  7894. border-width: 1px;
  7895. border-style: solid;
  7896. left: 50%;
  7897. margin: 10px auto;
  7898. min-height: 30px;
  7899. padding: 5px;
  7900. right: 50%;
  7901. width: 500px;
  7902. background-color: #FFD1D1;
  7903. border-color: #FF0000;
  7904. color: #000;
  7905. }
  7906. </style>
  7907. <body>
  7908. <div class="error-message">
  7909. $lang_not_exportable
  7910. </div>
  7911. </body>
  7912. </html>
  7913. EOD;
  7914. if (!is_dir($archive_path.$temp_dir_short.'/document')) {
  7915. @mkdir($archive_path.$temp_dir_short.'/document', api_get_permissions_for_new_directories());
  7916. }
  7917. file_put_contents($archive_path.$temp_dir_short.'/document/non_exportable.html', $file_content);
  7918. // Add the extra files that go along with a SCORM package.
  7919. $main_code_path = api_get_path(SYS_CODE_PATH).'newscorm/packaging/';
  7920. $extra_files = scandir($main_code_path);
  7921. foreach ($extra_files as $extra_file) {
  7922. if (strpos($extra_file, '.') === 0)
  7923. continue;
  7924. else {
  7925. $dest_file = $archive_path . $temp_dir_short . '/' . $extra_file;
  7926. $this->create_path($dest_file);
  7927. copy($main_code_path.$extra_file, $dest_file);
  7928. }
  7929. }
  7930. // Finalize the imsmanifest structure, add to the zip, then return the zip.
  7931. $manifest = @$xmldoc->saveXML();
  7932. $manifest = api_utf8_decode_xml($manifest); // The manifest gets the system encoding now.
  7933. file_put_contents($archive_path.'/'.$temp_dir_short.'/imsmanifest.xml', $manifest);
  7934. $zip_folder->add($archive_path.'/'.$temp_dir_short, PCLZIP_OPT_REMOVE_PATH, $archive_path.'/'.$temp_dir_short.'/');
  7935. // Clean possible temporary files.
  7936. foreach ($files_cleanup as $file) {
  7937. $res = unlink($file);
  7938. if ($res === false) { error_log('Could not delete temp file '.$file.' '.__FILE__.' '.__LINE__, 0); }
  7939. }
  7940. // Send file to client.
  7941. //$name = 'scorm_export_'.$this->lp_id.'.zip';
  7942. require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
  7943. $name = replace_dangerous_char($this->get_name()).'.zip';
  7944. DocumentManager::file_send_for_download($temp_zip_file, true, $name);
  7945. }
  7946. public function scorm_export_to_pdf($lp_id) {
  7947. $lp_id = intval($lp_id);
  7948. $files_to_export = array();
  7949. $course_data = api_get_course_info($this->cc);
  7950. if (!empty($course_data)) {
  7951. $scorm_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/scorm/'.$this->path;
  7952. require_once api_get_path(LIBRARY_PATH).'document.lib.php';
  7953. $list = $this->get_flat_ordered_items_list($lp_id);
  7954. foreach($list as $item_id) {
  7955. $item = $this->items[$item_id];
  7956. //Getting documents from a LP with chamilo documents
  7957. switch ($item->type) {
  7958. case 'document':
  7959. $file_data = DocumentManager::get_document_data_by_id($item->path, $this->cc);
  7960. $file_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document'.$file_data['path'];
  7961. if (file_exists($file_path)) {
  7962. $files_to_export[] = array('title'=>$item->get_title(),'path'=>$file_path);
  7963. }
  7964. break;
  7965. case 'sco':
  7966. $file_path = $scorm_path.'/'.$item->path;
  7967. if (file_exists($file_path)) {
  7968. $files_to_export[] = array('title'=>$item->get_title(),'path'=>$file_path);
  7969. }
  7970. break;
  7971. case 'dokeos_chapter':
  7972. case 'dir':
  7973. case 'chapter':
  7974. $files_to_export[] = array('title'=>$item->get_title(),'path'=>null);
  7975. break;
  7976. }
  7977. }
  7978. require_once api_get_path(LIBRARY_PATH).'pdf.lib.php';
  7979. $pdf = new PDF();
  7980. $result = $pdf->html_to_pdf($files_to_export, $this->name, $this->cc, true);
  7981. return $result;
  7982. }
  7983. return false;
  7984. }
  7985. /**
  7986. * Temp function to be moved in main_api or the best place around for this. Creates a file path
  7987. * if it doesn't exist
  7988. */
  7989. public function create_path($path) {
  7990. $path_bits = split('/', dirname($path));
  7991. // IS_WINDOWS_OS has been defined in main_api.lib.php
  7992. $path_built = IS_WINDOWS_OS ? '' : '/';
  7993. foreach ($path_bits as $bit) {
  7994. if (!empty ($bit)) {
  7995. $new_path = $path_built . $bit;
  7996. if (is_dir($new_path)) {
  7997. $path_built = $new_path . '/';
  7998. } else {
  7999. mkdir($new_path, api_get_permissions_for_new_directories());
  8000. $path_built = $new_path . '/';
  8001. }
  8002. }
  8003. }
  8004. }
  8005. /**
  8006. * Delete the image relative to this learning path. No parameter. Only works on instanciated object.
  8007. * @return boolean The results of the unlink function, or false if there was no image to start with
  8008. */
  8009. public function delete_lp_image() {
  8010. $img = $this->get_preview_image();
  8011. if ($img != '') {
  8012. $del_file = api_get_path(SYS_COURSE_PATH) . api_get_course_path() . '/upload/learning_path/images/' . $img;
  8013. $this->set_preview_image('');
  8014. return @ unlink($del_file);
  8015. } else {
  8016. return false;
  8017. }
  8018. }
  8019. /**
  8020. * Uploads an author image to the upload/learning_path/images directory
  8021. * @param array The image array, coming from the $_FILES superglobal
  8022. * @return boolean True on success, false on error
  8023. */
  8024. public function upload_image($image_array) {
  8025. $image_moved = false;
  8026. if (!empty ($image_array['name'])) {
  8027. $upload_ok = process_uploaded_file($image_array);
  8028. $has_attachment = true;
  8029. } else {
  8030. $image_moved = true;
  8031. }
  8032. if ($upload_ok) {
  8033. if ($has_attachment) {
  8034. $courseDir = api_get_course_path() . '/upload/learning_path/images';
  8035. $sys_course_path = api_get_path(SYS_COURSE_PATH);
  8036. $updir = $sys_course_path . $courseDir;
  8037. // Try to add an extension to the file if it hasn't one.
  8038. $new_file_name = add_ext_on_mime(stripslashes($image_array['name']), $image_array['type']);
  8039. if (!filter_extension($new_file_name)) {
  8040. //Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
  8041. $image_moved = false;
  8042. } else {
  8043. $file_extension = explode('.', $image_array['name']);
  8044. $file_extension = strtolower($file_extension[sizeof($file_extension) - 1]);
  8045. $new_file_name = uniqid('') . '.' . $file_extension;
  8046. $new_path = $updir . '/' . $new_file_name;
  8047. // Resize the image.
  8048. $temp = new Image($image_array['tmp_name']);
  8049. $picture_infos = $temp->get_image_info();
  8050. if ($picture_infos['width'] > 104) {
  8051. $thumbwidth = 104;
  8052. } else {
  8053. $thumbwidth = $picture_infos['width'];
  8054. }
  8055. if ($picture_infos['height'] > 96) {
  8056. $new_height = 96;
  8057. } else {
  8058. $new_height = $picture_infos['height'];
  8059. }
  8060. $temp->resize($thumbwidth, $new_height, 0);
  8061. $result = $temp->send_image($new_path);
  8062. // Storing the image filename.
  8063. if ($result) {
  8064. $image_moved = true;
  8065. $this->set_preview_image($new_file_name);
  8066. return true;
  8067. }
  8068. }
  8069. }
  8070. }
  8071. return false;
  8072. }
  8073. public function set_autolunch($lp_id, $status) {
  8074. $course_id = api_get_course_int_id();
  8075. $lp_id = intval($lp_id);
  8076. $status = intval($status);
  8077. $lp_table = Database::get_course_table(TABLE_LP_MAIN);
  8078. //Setting everything to autolunch = 0
  8079. $attributes['autolunch'] = 0;
  8080. $where = array('session_id = ? AND c_id = ? '=> array(api_get_session_id(), $course_id));
  8081. Database::update($lp_table, $attributes, $where);
  8082. if ($status == 1) {
  8083. //Setting my lp_id to autolunch = 1
  8084. $attributes['autolunch'] = 1;
  8085. $where = array('id = ? AND session_id = ? AND c_id = ?'=> array($lp_id, api_get_session_id(), $course_id));
  8086. Database::update($lp_table, $attributes, $where );
  8087. }
  8088. }
  8089. /**
  8090. * Gets previous_item_id for the next element of the lp_item table
  8091. * @author Isaac flores paz
  8092. * @return integer Previous item ID
  8093. */
  8094. function select_previous_item_id() {
  8095. $course_id = api_get_course_int_id();
  8096. if ($this->debug > 0) {
  8097. error_log('New LP - In learnpath::select_previous_item_id()', 0);
  8098. }
  8099. $table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
  8100. // Get the max order of the items
  8101. $sql_max_order = "SELECT max(display_order) AS display_order FROM $table_lp_item WHERE c_id = $course_id AND lp_id = '" . $this->lp_id . "'";
  8102. $rs_max_order = Database::query($sql_max_order);
  8103. $row_max_order = Database::fetch_object($rs_max_order);
  8104. $max_order = $row_max_order->display_order;
  8105. // Get the previous item ID
  8106. $sql_max = "SELECT id as previous FROM $table_lp_item WHERE c_id = $course_id AND lp_id = '" . $this->lp_id . "' AND display_order = '".$max_order."' ";
  8107. $rs_max = Database::query($sql_max, __FILE__, __LINE__);
  8108. $row_max = Database::fetch_object($rs_max);
  8109. // Return the previous item ID
  8110. return $row_max->previous;
  8111. }
  8112. function copy() {
  8113. $main_path = api_get_path(SYS_CODE_PATH);
  8114. require_once $main_path.'coursecopy/classes/CourseBuilder.class.php';
  8115. require_once $main_path.'coursecopy/classes/CourseArchiver.class.php';
  8116. require_once $main_path.'coursecopy/classes/CourseRestorer.class.php';
  8117. require_once $main_path.'coursecopy/classes/CourseSelectForm.class.php';
  8118. //Course builder
  8119. $cb = new CourseBuilder();
  8120. //Setting tools that will be copied
  8121. $cb->set_tools_to_build(array('learnpaths'));
  8122. //Setting elements that will be copied
  8123. $cb->set_tools_specific_id_list(array('learnpaths' => array($this->lp_id)));
  8124. $course = $cb->build();
  8125. //Course restorer
  8126. $course_restorer = new CourseRestorer($course);
  8127. $course_restorer->set_add_text_in_items(true);
  8128. $course_restorer->set_tool_copy_settings(array('learnpaths' => array('reset_dates' => true)));
  8129. $course_restorer->restore(api_get_course_id(), api_get_session_id(), false, false);
  8130. }
  8131. }
  8132. if (!function_exists('trim_value')) {
  8133. function trim_value(& $value) {
  8134. $value = trim($value);
  8135. }
  8136. }