link.php 19 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Main script for the links tool.
  5. *
  6. * Features:
  7. * - Organize links into categories;
  8. * - favorites/bookmarks-like interface;
  9. * - move links up/down within a category;
  10. * - move categories up/down;
  11. * - expand/collapse all categories (except the main "non"-category);
  12. * - add link to 'root' category => category-less link is always visible.
  13. *
  14. * @author Patrick Cool, main author, completely rewritten
  15. * @author René Haentjens, added CSV file import (October 2004)
  16. * @package chamilo.link
  17. * @todo improve organisation, tables should come from database library, use formvalidator
  18. * @todo Needs serious rewriting here. This doesn't make sense
  19. */
  20. /* INIT SECTION */
  21. // Language files that need to be included
  22. $language_file = array('link', 'admin');
  23. // Including libraries
  24. require_once '../inc/global.inc.php';
  25. require_once api_get_path(LIBRARY_PATH).'link.lib.php';
  26. $this_section = SECTION_COURSES;
  27. api_protect_course_script();
  28. $htmlHeadXtra[] = '<script type="text/javascript">
  29. $(document).ready( function() {
  30. for (i=0;i<$(".actions").length;i++) {
  31. if ($(".actions:eq("+i+")").html()=="<table border=\"0\"></table>" || $(".actions:eq("+i+")").html()=="" || $(".actions:eq("+i+")").html()==null) {
  32. $(".actions:eq("+i+")").hide();
  33. }
  34. }
  35. });
  36. function check_url(id, url) {
  37. var url = "'.api_get_path(WEB_AJAX_PATH).'link.ajax.php?a=check_url&url=" +url;
  38. var loading = " '.addslashes(Display::return_icon('loading1.gif')).'";
  39. $("#url_id_"+id).html(loading);
  40. $("#url_id_"+id).load(url);
  41. }
  42. </script>';
  43. // @todo change the $_REQUEST into $_POST or $_GET
  44. // @todo remove this code
  45. $link_submitted = isset($_POST['submitLink']);
  46. $category_submitted = isset($_POST['submitCategory']);
  47. $urlview = !empty($_GET['urlview']) ? $_GET['urlview'] : '';
  48. $submit_import = !empty($_POST['submitImport']) ? $_POST['submitImport'] : '';
  49. $down = !empty($_GET['down']) ? $_GET['down'] : '';
  50. $up = !empty($_GET['up']) ? $_GET['up'] : '';
  51. $catmove = !empty($_GET['catmove']) ? $_GET['catmove'] : '';
  52. $editlink = !empty($_REQUEST['editlink']) ? $_REQUEST['editlink'] : '';
  53. $id = !empty($_REQUEST['id']) ? $_REQUEST['id'] : '';
  54. $urllink = !empty($_REQUEST['urllink']) ? $_REQUEST['urllink'] : '';
  55. $title = !empty($_REQUEST['title']) ? $_REQUEST['title'] : '';
  56. $description = !empty($_REQUEST['description']) ? $_REQUEST['description'] : '';
  57. $selectcategory = !empty($_REQUEST['selectcategory']) ? $_REQUEST['selectcategory'] : '';
  58. $submit_link = isset($_REQUEST['submitLink']);
  59. $action = !empty($_REQUEST['action']) ? $_REQUEST['action'] : '';
  60. $category_title = !empty($_REQUEST['category_title']) ? $_REQUEST['category_title'] : '';
  61. $submit_category = isset($_POST['submitCategory']);
  62. $target_link = !empty($_REQUEST['target_link']) ? $_REQUEST['target_link'] : '_self';
  63. $nameTools = get_lang('Links');
  64. // Condition for the session
  65. $session_id = api_get_session_id();
  66. $condition_session = api_get_session_condition($session_id, true, true);
  67. if (isset($_GET['action']) && $_GET['action'] == 'addlink') {
  68. $nameTools = '';
  69. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  70. $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('AddLink'));
  71. }
  72. if (isset($_GET['action']) && $_GET['action'] == 'addcategory') {
  73. $nameTools = '';
  74. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  75. $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('AddCategory'));
  76. }
  77. if (isset($_GET['action']) && $_GET['action'] == 'editlink') {
  78. $nameTools = '';
  79. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  80. $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('EditLink'));
  81. }
  82. // Database Table definitions
  83. $tbl_link = Database::get_course_table(TABLE_LINK);
  84. $tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY);
  85. $course_id = api_get_course_int_id();
  86. // Statistics
  87. event_access_tool(TOOL_LINK);
  88. Display::display_header($nameTools, 'Links');
  89. ?>
  90. <script type="text/javascript">
  91. /* <![CDATA[ */
  92. function MM_popupMsg(msg) { //v1.0
  93. confirm(msg);
  94. }
  95. /* ]]> */
  96. </script>
  97. <?php
  98. /* Action Handling */
  99. $nameTools = get_lang('Links');
  100. if (isset($_GET['action'])) {
  101. $check_token = Security::check_token('request');
  102. if ($check_token) {
  103. switch ($_GET['action']) {
  104. case 'addlink':
  105. if ($link_submitted) {
  106. if (!addlinkcategory("link")) { // Here we add a link
  107. unset($submit_link);
  108. }
  109. }
  110. break;
  111. case 'addcategory':
  112. if ($category_submitted) {
  113. if (!addlinkcategory('category')) { // Here we add a category
  114. unset($submit_category);
  115. }
  116. }
  117. break;
  118. case 'importcsv':
  119. if ($_POST['submitImport']) {
  120. import_csvfile();
  121. }
  122. break;
  123. case 'deletelink':
  124. deletelinkcategory('link'); // Here we delete a link
  125. break;
  126. case 'deletecategory':
  127. deletelinkcategory('category'); // Here we delete a category
  128. break;
  129. case 'editlink':
  130. editlinkcategory('link'); // Here we edit a link
  131. break;
  132. case 'editcategory':
  133. editlinkcategory('category'); // Here we edit a category
  134. break;
  135. case 'visible':
  136. change_visibility($_GET['id'], $_GET['scope']); // Here we edit a category
  137. break;
  138. case 'invisible':
  139. change_visibility($_GET['id'], $_GET['scope']); // Here we edit a category
  140. break;
  141. }
  142. Security::clear_token();
  143. }
  144. }
  145. $token = Security::get_token();
  146. /* Introduction section */
  147. Display::display_introduction_section(TOOL_LINK);
  148. if (api_is_allowed_to_edit(null, true) && isset($_GET['action'])) {
  149. echo '<div class="actions">';
  150. if (!empty($_GET['lp_id']) || !empty($_POST['lp_id'])){
  151. if (!empty($_POST['lp_id'])){
  152. $lp_id = Security::remove_XSS($_POST['lp_id']);
  153. } else {
  154. $lp_id = Security::remove_XSS($_GET['lp_id']);
  155. }
  156. echo "<a href=\"../newscorm/lp_controller.php?".api_get_cidreq()."&gradebook=&action=add_item&type=step&lp_id=".$lp_id."#resource_tab-3\">".Display::return_icon('back.png', get_lang("BackTo").' '.get_lang("LearningPaths"),'','32')."</a>";
  157. } else {
  158. //echo '<a href="link.php?cidReq='.Security::remove_XSS($_GET['cidReq']).'&amp;urlview='.Security::remove_XSS($_GET['urlview']).'">'.Display::return_icon('back.png', get_lang('BackToLinksOverview'),'','32').'</a>';
  159. }
  160. echo '</div>';
  161. // Displaying the correct title and the form for adding a category or link. This is only shown when nothing
  162. // has been submitted yet, hence !isset($submit_link)
  163. if (($_GET['action'] == 'addlink' || $_GET['action'] == 'editlink') && empty($_POST['submitLink'])) {
  164. echo '<div class="row">';
  165. if ($_GET['action'] == 'addlink') {
  166. echo '<div class="form_header">'.get_lang('LinkAdd').'</div>';
  167. } else {
  168. echo '<div class="form_header">'.get_lang('LinkMod').'</div>';
  169. }
  170. echo '</div>';
  171. if ($category == '') {
  172. $category = 0;
  173. }
  174. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  175. echo '<input type="hidden" name="sec_token" value="'.$token.'" />';
  176. if ($_GET['action'] == 'editlink') {
  177. $clean_link_id = intval($_GET['id']);
  178. $link_info = get_link_info($_GET['id']);
  179. if ($link_info) {
  180. $urllink = $link_info['url'];
  181. $title = $link_info['title'];
  182. $description = $link_info['description'];
  183. $category = $link_info['category_id'];
  184. $onhomepage = '';
  185. if ($link_info['on_homepage'] != 0) {
  186. $onhomepage = 'checked';
  187. }
  188. $target_link = $link_info['target'];
  189. }
  190. echo '<input type="hidden" name="id" value="'.$clean_link_id.'" />';
  191. }
  192. echo ' <div class="row">
  193. <div class="label">
  194. <span class="form_required">*</span> '.get_lang('Url').'
  195. </div>
  196. <div class="formw">
  197. <input type="text" name="urllink" size="50" value="' . (empty($urllink) ? 'http://' : Security::remove_XSS($urllink)) . '" />
  198. </div>
  199. </div>';
  200. echo ' <div class="row">
  201. <div class="label">
  202. '.get_lang('LinkName').'
  203. </div>
  204. <div class="formw">
  205. <input type="text" name="title" size="50" value="' . Security::remove_XSS($title) . '" />
  206. </div>
  207. </div>';
  208. echo ' <div class="row">
  209. <div class="label">
  210. '.get_lang('Metadata').'
  211. </div>
  212. <div class="formw">
  213. <a href="../metadata/index.php?eid='.urlencode('Link.'.$clean_link_id).'">'.get_lang('AddMetadata').'</a>
  214. </div>
  215. </div>';
  216. echo ' <div class="row">
  217. <div class="label">
  218. '.get_lang('Description').'
  219. </div>
  220. <div class="formw">
  221. <textarea rows="3" cols="50" name="description">' . Security::remove_XSS($description) . '</textarea>
  222. </div>
  223. </div>';
  224. $sqlcategories = "SELECT * FROM ".$tbl_categories." WHERE c_id = $course_id $condition_session ORDER BY display_order DESC";
  225. $resultcategories = Database::query($sqlcategories);
  226. if (Database::num_rows($resultcategories)) {
  227. echo ' <div class="row">
  228. <div class="label">
  229. '.get_lang('Category').'
  230. </div>
  231. <div class="formw">';
  232. echo ' <select name="selectcategory">';
  233. echo ' <option value="0">--</option>';
  234. while ($myrow = Database::fetch_array($resultcategories)) {
  235. echo ' <option value="'.$myrow['id'].'"';
  236. if ($myrow['id'] == $category) {
  237. echo ' selected';
  238. }
  239. echo '>'.$myrow['category_title'].'</option>';
  240. }
  241. echo ' </select>';
  242. echo ' </div>
  243. </div>';
  244. }
  245. echo ' <div class="row">
  246. <div class="label">
  247. </div>
  248. <div class="formw">
  249. <input class="checkbox" type="checkbox" name="onhomepage" id="onhomepage" value="1"'.$onhomepage.'><label for="onhomepage"> '.get_lang('OnHomepage').'?</label>
  250. </div>
  251. </div>';
  252. echo ' <div class="row" id="div_target">
  253. <div class="label">
  254. '.get_lang('LinkTarget').'
  255. </div>
  256. <div class="formw">
  257. <select name="target_link" id="target_link">';
  258. $targets = array('_self'=>get_lang('LinkOpenSelf'),'_blank'=>get_lang('LinkOpenBlank'),'_parent'=>get_lang('LinkOpenParent'),'_top'=>get_lang('LinkOpenTop'));
  259. foreach ($targets as $target_id => $target) {
  260. $selected = '';
  261. if ($target_id == $target_link) {
  262. $selected = ' selected="selected"';
  263. }
  264. echo ' <option value="'.$target_id.'"'.$selected.'>'.$target.'</option> ';
  265. }
  266. echo ' </select>
  267. <span class="help-block">
  268. '.get_lang('AddTargetOfLinkOnHomepage').'
  269. </span>
  270. </div>
  271. </div>';
  272. if (api_get_setting('search_enabled') == 'true') {
  273. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  274. $specific_fields = get_specific_field_list();
  275. echo ' <div class="row">
  276. <div class="label">
  277. '.get_lang('SearchFeatureDoIndexLink').'?
  278. </div>
  279. <div class="formw">
  280. <input class="checkbox" type="checkbox" name="index_document" id="index_document" checked="checked"><label for="index_document"> '.get_lang('Yes').'</label>
  281. </div>';
  282. foreach ($specific_fields as $specific_field) {
  283. $default_values = '';
  284. if ($_GET['action'] == 'editlink') {
  285. $filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => Security::remove_XSS($_GET['id']), 'tool_id' => '\''. TOOL_LINK .'\'');
  286. $values = get_specific_field_values_list($filter, array('value'));
  287. if (!empty($values)) {
  288. $arr_str_values = array();
  289. foreach ($values as $value) {
  290. $arr_str_values[] = $value['value'];
  291. }
  292. $default_values = implode(', ', $arr_str_values);
  293. }
  294. }
  295. $sf_textbox = '
  296. <div class="row">
  297. <div class="label">%s</div>
  298. <div class="formw">
  299. <input name="%s" type="text" value="%s"/>
  300. </div>
  301. </div>';
  302. echo sprintf($sf_textbox, $specific_field['name'], $specific_field['code'], $default_values);
  303. }
  304. }
  305. //echo '<input type="hidden" name="origin" value="' . Security::remove_XSS($_GET['origin']) . '" />';
  306. echo '<input type="hidden" name="lp_id" value="' . Security::remove_XSS($_GET['lp_id']) . '" />';
  307. echo '<div class="row">
  308. <div class="label">
  309. </div>
  310. <div class="formw">
  311. <button class="save" type="Submit" name="submitLink" value="OK">'.get_lang('SaveLink').'</button>
  312. </div>
  313. </div>';
  314. echo '</form>';
  315. } elseif(($_GET['action'] == 'addcategory' || $_GET['action'] == 'editcategory') && !$submit_category) {
  316. echo '<div class="row">';
  317. if ($_GET['action'] == 'addcategory') {
  318. echo '<div class="form_header">'.get_lang('CategoryAdd').'</div>';
  319. $my_cat_title = get_lang('CategoryAdd');
  320. } else {
  321. echo '<div class="form_header">'.get_lang('CategoryMod').'</div>';
  322. $my_cat_title = get_lang('CategoryMod');
  323. }
  324. echo "</div>";
  325. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  326. echo '<input type="hidden" name="sec_token" value="'.$token.'" />';
  327. if ($_GET['action'] == 'editcategory') {
  328. echo '<input type="hidden" name="id" value="'.$id.'" />';
  329. }
  330. echo ' <div class="row">
  331. <div class="label">
  332. <span class="form_required">*</span> '.get_lang('CategoryName').'
  333. </div>
  334. <div class="formw">
  335. <input type="text" name="category_title" size="50" value="'.Security::remove_XSS($category_title).'" />
  336. </div>
  337. </div>';
  338. echo ' <div class="row">
  339. <div class="label">
  340. '.get_lang('Description').'
  341. </div>
  342. <div class="formw">
  343. <textarea rows="3" cols="50" name="description">'.Security::remove_XSS($description).'</textarea>
  344. </div>
  345. </div>';
  346. echo ' <div class="row">
  347. <div class="label">
  348. </div>
  349. <div class="formw">
  350. <button class="save" type="submit" name="submitCategory">'.$my_cat_title.' </button>
  351. </div>
  352. </div>';
  353. echo "</form>";
  354. }
  355. }
  356. if (!empty($down)) {
  357. movecatlink($down);
  358. }
  359. if (!empty($up)) {
  360. movecatlink($up);
  361. }
  362. if (empty($_GET['action']) || ($_GET['action'] != 'editlink' && $_GET['action'] != 'addcategory' && $_GET['action'] != 'addlink') || $link_submitted || $category_submitted) {
  363. /* Action Links */
  364. echo '<div class="actions">';
  365. if (api_is_allowed_to_edit(null, true)) {
  366. $urlview = Security::remove_XSS($urlview);
  367. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;action=addlink&amp;category='.(!empty($category) ? $category : '').'&amp;urlview='.$urlview.'">'.Display::return_icon('new_link.png', get_lang('LinkAdd'),'','32').'</a>';
  368. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;action=addcategory&amp;urlview='.$urlview.'">'.Display::return_icon('new_folder.png', get_lang('CategoryAdd'),'','32').'</a>';
  369. /* "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=importcsv&amp;urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
  370. }
  371. // Making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
  372. // number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
  373. $sqlcategories = "SELECT * FROM ".$tbl_categories." WHERE c_id = $course_id $condition_session ORDER BY display_order DESC";
  374. $resultcategories = Database::query($sqlcategories);
  375. $aantalcategories = Database::num_rows($resultcategories);
  376. if ($aantalcategories > 0) {
  377. $resultcategories = Database::query($sqlcategories);
  378. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  379. for ($j = 1; $j <= $aantalcategories; $j++) {
  380. echo '0';
  381. }
  382. echo '">'.Display::return_icon('view_remove.png', $shownone,'','32').'</a>';
  383. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  384. for ($j = 1; $j <= $aantalcategories; $j++) {
  385. echo '1';
  386. }
  387. echo '">'.Display::return_icon('view_tree.png', $showall,'','32').'</a>';
  388. }
  389. echo '</div>';
  390. // Displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
  391. $sqlLinks = "SELECT * FROM ".$tbl_link." WHERE c_id = $course_id AND category_id=0 OR category_id IS NULL";
  392. $result = Database::query($sqlLinks);
  393. $numberofzerocategory = Database::num_rows($result);
  394. if ($numberofzerocategory !== 0) {
  395. echo '<table class="data_table">';
  396. echo '<tr><th style="font-weight: bold; text-align:left;padding-left: 10px;">'.get_lang('General').'</th></tr>';
  397. echo '</table>';
  398. showlinksofcategory(0);
  399. }
  400. $i = 0;
  401. $catcounter = 1;
  402. $view = '0';
  403. while ($myrow = Database::fetch_array($resultcategories)) {
  404. // Validacion when belongs to a session
  405. $session_img = api_get_session_image($myrow['session_id'], $_user['status']);
  406. //if (!isset($urlview)) {
  407. if ($urlview == '') {
  408. // No $view set in the url, thus for each category link it should be all zeros except it's own
  409. makedefaultviewcode($i);
  410. } else {
  411. $view = $urlview;
  412. $view[$i] = '1';
  413. }
  414. // If the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
  415. // - instead of a +, the category is no longer clickable and all the links of this category are displayed
  416. $myrow['description'] = text_filter($myrow['description']);
  417. if (isset($urlview[$i]) && $urlview[$i] == '1') {
  418. $newurlview = $urlview;
  419. $newurlview[$i] = '0';
  420. echo '<tr>';
  421. echo '<table class="data_table">';
  422. echo '<tr>';
  423. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
  424. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview='.Security::remove_XSS($newurlview).'">';
  425. echo '<img src="../img/icons/22/view_remove.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).'</a><br />&nbsp;&nbsp;&nbsp;'.$myrow['description'];
  426. echo '</th>';
  427. if (api_is_allowed_to_edit(null, true)) {
  428. if ($session_id == $myrow['session_id']) {
  429. echo '<th>';
  430. showcategoryadmintools($myrow['id']);
  431. echo '</th>';
  432. } else {
  433. echo '<th>'.get_lang('EditionNotAvailableFromSession');
  434. }
  435. }
  436. echo '</tr>';
  437. echo '</table>';
  438. echo showlinksofcategory($myrow['id']);
  439. echo '</tr>';
  440. } else {
  441. echo '<tr>';
  442. echo '<table class="data_table">';
  443. echo '<tr>';
  444. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;"><a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview=';
  445. echo is_array($view) ? implode('', $view) : $view;
  446. echo '"><img src="../img/icons/22/view_tree.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).$session_img;
  447. echo'</a><br />&nbsp;&nbsp;&nbsp;';
  448. echo $myrow['description'];
  449. if (api_is_allowed_to_edit(null, true)) {
  450. echo '<th style="text-align:center;">';
  451. showcategoryadmintools($myrow['id']);
  452. echo '</th>';
  453. }
  454. echo '</th>';
  455. echo '</tr>';
  456. echo '</table>';
  457. echo '</tr>';
  458. }
  459. // Displaying the link of the category
  460. $i++;
  461. }
  462. echo '</table>';
  463. }
  464. Display::display_footer();