link.php 18 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 ($_GET['action'] == 'editlink') {
  177. echo '<input type="hidden" name="id" value="'.intval($_GET['id']).'" />';
  178. $clean_link_id = trim(Security::remove_XSS($_GET['id']));
  179. }
  180. echo ' <div class="row">
  181. <div class="label">
  182. <span class="form_required">*</span> '.get_lang('Url').'
  183. </div>
  184. <div class="formw">
  185. <input type="text" name="urllink" size="50" value="' . (empty($urllink) ? 'http://' : Security::remove_XSS($urllink)) . '" />
  186. </div>
  187. </div>';
  188. echo ' <div class="row">
  189. <div class="label">
  190. '.get_lang('LinkName').'
  191. </div>
  192. <div class="formw">
  193. <input type="text" name="title" size="50" value="' . Security::remove_XSS($title) . '" />
  194. </div>
  195. </div>';
  196. echo ' <div class="row">
  197. <div class="label">
  198. '.get_lang('Metadata').'
  199. </div>
  200. <div class="formw">
  201. <a href="../metadata/index.php?eid='.urlencode('Link.'.$clean_link_id).'">'.get_lang('AddMetadata').'</a>
  202. </div>
  203. </div>';
  204. echo ' <div class="row">
  205. <div class="label">
  206. '.get_lang('Description').'
  207. </div>
  208. <div class="formw">
  209. <textarea rows="3" cols="50" name="description">' . Security::remove_XSS($description) . '</textarea>
  210. </div>
  211. </div>';
  212. $sqlcategories = "SELECT * FROM ".$tbl_categories." WHERE c_id = $course_id $condition_session ORDER BY display_order DESC";
  213. $resultcategories = Database::query($sqlcategories);
  214. if (Database::num_rows($resultcategories)) {
  215. echo ' <div class="row">
  216. <div class="label">
  217. '.get_lang('Category').'
  218. </div>
  219. <div class="formw">';
  220. echo ' <select name="selectcategory">';
  221. echo ' <option value="0">--</option>';
  222. while ($myrow = Database::fetch_array($resultcategories)) {
  223. echo ' <option value="'.$myrow['id'].'"';
  224. if ($myrow['id'] == $category) {
  225. echo ' selected';
  226. }
  227. echo '>'.$myrow['category_title'].'</option>';
  228. }
  229. echo ' </select>';
  230. echo ' </div>
  231. </div>';
  232. }
  233. echo ' <div class="row">
  234. <div class="label">
  235. </div>
  236. <div class="formw">
  237. <input class="checkbox" type="checkbox" name="onhomepage" id="onhomepage" value="1"'.$onhomepage.'><label for="onhomepage"> '.get_lang('OnHomepage').'?</label>
  238. </div>
  239. </div>';
  240. echo ' <div class="row" id="div_target">
  241. <div class="label">
  242. '.get_lang('LinkTarget').'
  243. </div>
  244. <div class="formw">
  245. <select name="target_link" id="target_link">';
  246. $targets = array('_self'=>get_lang('LinkOpenSelf'),'_blank'=>get_lang('LinkOpenBlank'),'_parent'=>get_lang('LinkOpenParent'),'_top'=>get_lang('LinkOpenTop'));
  247. foreach ($targets as $target_id => $target) {
  248. $selected = '';
  249. if ($target_id == $target_link) {
  250. $selected = ' selected="selected"';
  251. }
  252. echo ' <option value="'.$target_id.'"'.$selected.'>'.$target.'</option> ';
  253. }
  254. echo ' </select>
  255. <span class="help-block">
  256. '.get_lang('AddTargetOfLinkOnHomepage').'
  257. </span>
  258. </div>
  259. </div>';
  260. if (api_get_setting('search_enabled') == 'true') {
  261. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  262. $specific_fields = get_specific_field_list();
  263. echo ' <div class="row">
  264. <div class="label">
  265. '.get_lang('SearchFeatureDoIndexLink').'?
  266. </div>
  267. <div class="formw">
  268. <input class="checkbox" type="checkbox" name="index_document" id="index_document" checked="checked"><label for="index_document"> '.get_lang('Yes').'</label>
  269. </div>';
  270. foreach ($specific_fields as $specific_field) {
  271. $default_values = '';
  272. if ($_GET['action'] == 'editlink') {
  273. $filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => Security::remove_XSS($_GET['id']), 'tool_id' => '\''. TOOL_LINK .'\'');
  274. $values = get_specific_field_values_list($filter, array('value'));
  275. if (!empty($values)) {
  276. $arr_str_values = array();
  277. foreach ($values as $value) {
  278. $arr_str_values[] = $value['value'];
  279. }
  280. $default_values = implode(', ', $arr_str_values);
  281. }
  282. }
  283. $sf_textbox = '
  284. <div class="row">
  285. <div class="label">%s</div>
  286. <div class="formw">
  287. <input name="%s" type="text" value="%s"/>
  288. </div>
  289. </div>';
  290. echo sprintf($sf_textbox, $specific_field['name'], $specific_field['code'], $default_values);
  291. }
  292. }
  293. //echo '<input type="hidden" name="origin" value="' . Security::remove_XSS($_GET['origin']) . '" />';
  294. echo '<input type="hidden" name="lp_id" value="' . Security::remove_XSS($_GET['lp_id']) . '" />';
  295. echo '<div class="row">
  296. <div class="label">
  297. </div>
  298. <div class="formw">
  299. <button class="save" type="Submit" name="submitLink" value="OK">'.get_lang('SaveLink').'</button>
  300. </div>
  301. </div>';
  302. echo '</form>';
  303. } elseif(($_GET['action'] == 'addcategory' || $_GET['action'] == 'editcategory') && !$submit_category) {
  304. echo '<div class="row">';
  305. if ($_GET['action'] == 'addcategory') {
  306. echo '<div class="form_header">'.get_lang('CategoryAdd').'</div>';
  307. $my_cat_title = get_lang('CategoryAdd');
  308. } else {
  309. echo '<div class="form_header">'.get_lang('CategoryMod').'</div>';
  310. $my_cat_title = get_lang('CategoryMod');
  311. }
  312. echo "</div>";
  313. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  314. echo '<input type="hidden" name="sec_token" value="'.$token.'" />';
  315. if ($_GET['action'] == 'editcategory') {
  316. echo '<input type="hidden" name="id" value="'.$id.'" />';
  317. }
  318. echo ' <div class="row">
  319. <div class="label">
  320. <span class="form_required">*</span> '.get_lang('CategoryName').'
  321. </div>
  322. <div class="formw">
  323. <input type="text" name="category_title" size="50" value="'.Security::remove_XSS($category_title).'" />
  324. </div>
  325. </div>';
  326. echo ' <div class="row">
  327. <div class="label">
  328. '.get_lang('Description').'
  329. </div>
  330. <div class="formw">
  331. <textarea rows="3" cols="50" name="description">'.Security::remove_XSS($description).'</textarea>
  332. </div>
  333. </div>';
  334. echo ' <div class="row">
  335. <div class="label">
  336. </div>
  337. <div class="formw">
  338. <button class="save" type="submit" name="submitCategory">'.$my_cat_title.' </button>
  339. </div>
  340. </div>';
  341. echo "</form>";
  342. }
  343. }
  344. if (!empty($down)) {
  345. movecatlink($down);
  346. }
  347. if (!empty($up)) {
  348. movecatlink($up);
  349. }
  350. if (empty($_GET['action']) || ($_GET['action'] != 'editlink' && $_GET['action'] != 'addcategory' && $_GET['action'] != 'addlink') || $link_submitted || $category_submitted) {
  351. /* Action Links */
  352. echo '<div class="actions">';
  353. if (api_is_allowed_to_edit(null, true)) {
  354. $urlview = Security::remove_XSS($urlview);
  355. 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>';
  356. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;action=addcategory&amp;urlview='.$urlview.'">'.Display::return_icon('new_folder.png', get_lang('CategoryAdd'),'','32').'</a>';
  357. /* "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=importcsv&amp;urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
  358. }
  359. // Making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
  360. // number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
  361. $sqlcategories = "SELECT * FROM ".$tbl_categories." WHERE c_id = $course_id $condition_session ORDER BY display_order DESC";
  362. $resultcategories = Database::query($sqlcategories);
  363. $aantalcategories = Database::num_rows($resultcategories);
  364. if ($aantalcategories > 0) {
  365. $resultcategories = Database::query($sqlcategories);
  366. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  367. for ($j = 1; $j <= $aantalcategories; $j++) {
  368. echo '0';
  369. }
  370. echo '">'.Display::return_icon('view_remove.png', $shownone,'','32').'</a>';
  371. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  372. for ($j = 1; $j <= $aantalcategories; $j++) {
  373. echo '1';
  374. }
  375. echo '">'.Display::return_icon('view_tree.png', $showall,'','32').'</a>';
  376. }
  377. echo '</div>';
  378. // Displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
  379. $sqlLinks = "SELECT * FROM ".$tbl_link." WHERE c_id = $course_id AND category_id=0 OR category_id IS NULL";
  380. $result = Database::query($sqlLinks);
  381. $numberofzerocategory = Database::num_rows($result);
  382. if ($numberofzerocategory !== 0) {
  383. echo '<table class="data_table">';
  384. echo '<tr><th style="font-weight: bold; text-align:left;padding-left: 10px;">'.get_lang('General').'</th></tr>';
  385. echo '</table>';
  386. showlinksofcategory(0);
  387. }
  388. $i = 0;
  389. $catcounter = 1;
  390. $view = '0';
  391. while ($myrow = Database::fetch_array($resultcategories)) {
  392. // Validacion when belongs to a session
  393. $session_img = api_get_session_image($myrow['session_id'], $_user['status']);
  394. //if (!isset($urlview)) {
  395. if ($urlview == '') {
  396. // No $view set in the url, thus for each category link it should be all zeros except it's own
  397. makedefaultviewcode($i);
  398. } else {
  399. $view = $urlview;
  400. $view[$i] = '1';
  401. }
  402. // If the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
  403. // - instead of a +, the category is no longer clickable and all the links of this category are displayed
  404. $myrow['description'] = text_filter($myrow['description']);
  405. if (isset($urlview[$i]) && $urlview[$i] == '1') {
  406. $newurlview = $urlview;
  407. $newurlview[$i] = '0';
  408. echo '<tr>';
  409. echo '<table class="data_table">';
  410. echo '<tr>';
  411. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
  412. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview='.Security::remove_XSS($newurlview).'">';
  413. echo '<img src="../img/icons/22/view_remove.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).'</a><br />&nbsp;&nbsp;&nbsp;'.$myrow['description'];
  414. echo '</th>';
  415. if (api_is_allowed_to_edit(null, true)) {
  416. if ($session_id == $myrow['session_id']) {
  417. echo '<th>';
  418. showcategoryadmintools($myrow['id']);
  419. echo '</th>';
  420. } else {
  421. echo '<th>'.get_lang('EditionNotAvailableFromSession');
  422. }
  423. }
  424. echo '</tr>';
  425. echo '</table>';
  426. echo showlinksofcategory($myrow['id']);
  427. echo '</tr>';
  428. } else {
  429. echo '<tr>';
  430. echo '<table class="data_table">';
  431. echo '<tr>';
  432. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;"><a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview=';
  433. echo is_array($view) ? implode('', $view) : $view;
  434. echo '"><img src="../img/icons/22/view_tree.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).$session_img;
  435. echo'</a><br />&nbsp;&nbsp;&nbsp;';
  436. echo $myrow['description'];
  437. if (api_is_allowed_to_edit(null, true)) {
  438. echo '<th style="text-align:center;">';
  439. showcategoryadmintools($myrow['id']);
  440. echo '</th>';
  441. }
  442. echo '</th>';
  443. echo '</tr>';
  444. echo '</table>';
  445. echo '</tr>';
  446. }
  447. // Displaying the link of the category
  448. $i++;
  449. }
  450. echo '</table>';
  451. }
  452. Display::display_footer();