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, false, true);
  67. if (isset($_GET['action']) && $_GET['action'] == 'addlink') {
  68. $nameTools = '';
  69. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  70. $interbreadcrumb[] = array('url' => 'link.php?action=addlink', 'name' => get_lang('AddLink'));
  71. }
  72. if (isset($_GET['action']) && $_GET['action'] == 'addcategory') {
  73. $nameTools = '';
  74. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  75. $interbreadcrumb[] = array('url' => 'link.php?action=addcategory', 'name' => get_lang('AddCategory'));
  76. }
  77. if (isset($_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. $tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY);
  85. // Statistics
  86. event_access_tool(TOOL_LINK);
  87. Display::display_header($nameTools, 'Links');
  88. ?>
  89. <script type="text/javascript">
  90. /* <![CDATA[ */
  91. function MM_popupMsg(msg) { //v1.0
  92. confirm(msg);
  93. }
  94. /* ]]> */
  95. </script>
  96. <?php
  97. /* Action Handling */
  98. $nameTools = get_lang('Links');
  99. if (isset($_GET['action'])) {
  100. switch ($_GET['action']) {
  101. case 'addlink':
  102. if ($link_submitted) {
  103. if(!addlinkcategory("link")) { // Here we add a link
  104. unset($submit_link);
  105. }
  106. }
  107. break;
  108. case 'addcategory':
  109. if ($category_submitted) {
  110. if (!addlinkcategory('category')) { // Here we add a category
  111. unset($submit_category);
  112. }
  113. }
  114. break;
  115. case 'importcsv':
  116. if ($_POST['submitImport']) {
  117. import_csvfile();
  118. }
  119. break;
  120. case 'deletelink':
  121. deletelinkcategory('link'); // Here we delete a link
  122. break;
  123. case 'deletecategory':
  124. deletelinkcategory('category'); // Here we delete a category
  125. break;
  126. case 'editlink':
  127. editlinkcategory('link'); // Here we edit a link
  128. break;
  129. case 'editcategory':
  130. editlinkcategory('category'); // Here we edit a category
  131. break;
  132. case 'visible':
  133. change_visibility($_GET['id'], $_GET['scope']); // Here we edit a category
  134. break;
  135. case 'invisible':
  136. change_visibility($_GET['id'], $_GET['scope']); // Here we edit a category
  137. break;
  138. }
  139. }
  140. /* Introduction section */
  141. Display::display_introduction_section(TOOL_LINK);
  142. if (api_is_allowed_to_edit(null, true) && isset($_GET['action'])) {
  143. echo '<div class="actions">';
  144. if (!empty($_GET['lp_id']) || !empty($_POST['lp_id'])){
  145. if (!empty($_POST['lp_id'])){
  146. $lp_id=Security::remove_XSS($_POST['lp_id']);
  147. }
  148. else{
  149. $lp_id=Security::remove_XSS($_GET['lp_id']);
  150. }
  151. echo "<a href=\"../newscorm/lp_controller.php?".api_get_cidreq()."&gradebook=&action=add_item&type=step&lp_id=".$lp_id."#resource_tab-3\">".Display::return_icon('back.png', get_lang("BackTo").' '.get_lang("LearningPaths"),'','32')."</a>";
  152. }
  153. else{
  154. echo '<a href="link.php?cidReq='.Security::remove_XSS($_GET['cidReq']).'&amp;urlview='.Security::remove_XSS($_GET['urlview']).'">'.Display::return_icon('back.png', get_lang('BackToLinksOverview'),'','32').'</a>';
  155. }
  156. echo '</div>';
  157. // Displaying the correct title and the form for adding a category or link. This is only shown when nothing
  158. // has been submitted yet, hence !isset($submit_link)
  159. if (($_GET['action'] == 'addlink' || $_GET['action'] == 'editlink') && empty($_POST['submitLink'])) {
  160. echo '<div class="row">';
  161. if ($_GET['action'] == 'addlink') {
  162. echo '<div class="form_header">'.get_lang('LinkAdd').'</div>';
  163. } else {
  164. echo '<div class="form_header">'.get_lang('LinkMod').'</div>';
  165. }
  166. echo '</div>';
  167. if ($category == '') {
  168. $category = 0;
  169. }
  170. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  171. if ($_GET['action'] == 'editlink') {
  172. echo '<input type="hidden" name="id" value="'.Security::remove_XSS($_GET['id']).'" />';
  173. $clean_link_id = trim(Security::remove_XSS($_GET['id']));
  174. }
  175. echo ' <div class="row">
  176. <div class="label">
  177. <span class="form_required">*</span> '.get_lang('Url').'
  178. </div>
  179. <div class="formw">
  180. <input type="text" name="urllink" size="50" value="' . (empty($urllink) ? 'http://' : Security::remove_XSS($urllink)) . '" />
  181. </div>
  182. </div>';
  183. echo ' <div class="row">
  184. <div class="label">
  185. '.get_lang('LinkName').'
  186. </div>
  187. <div class="formw">
  188. <input type="text" name="title" size="50" value="' . Security::remove_XSS($title) . '" />
  189. </div>
  190. </div>';
  191. echo ' <div class="row">
  192. <div class="label">
  193. '.get_lang('Metadata').'
  194. </div>
  195. <div class="formw">
  196. <a href="../metadata/index.php?eid='.urlencode('Link.'.$clean_link_id).'">'.get_lang('AddMetadata').'</a>
  197. </div>
  198. </div>';
  199. echo ' <div class="row">
  200. <div class="label">
  201. '.get_lang('Description').'
  202. </div>
  203. <div class="formw">
  204. <textarea rows="3" cols="50" name="description">' . Security::remove_XSS($description) . '</textarea>
  205. </div>
  206. </div>';
  207. $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
  208. $resultcategories = Database::query($sqlcategories);
  209. if (Database::num_rows($resultcategories)) {
  210. echo ' <div class="row">
  211. <div class="label">
  212. '.get_lang('Category').'
  213. </div>
  214. <div class="formw">';
  215. echo ' <select name="selectcategory">';
  216. echo ' <option value="0">--</option>';
  217. while ($myrow = Database::fetch_array($resultcategories)) {
  218. echo ' <option value="'.$myrow['id'].'"';
  219. if ($myrow['id'] == $category) {
  220. echo ' selected';
  221. }
  222. echo '>'.$myrow['category_title'].'</option>';
  223. }
  224. echo ' </select>';
  225. echo ' </div>
  226. </div>';
  227. }
  228. echo ' <div class="row">
  229. <div class="label">
  230. '.get_lang('OnHomepage').'?
  231. </div>
  232. <div class="formw">
  233. <input id="id_check_target" class="checkbox" type="checkbox" name="onhomepage" id="onhomepage" value="1"'.$onhomepage.'><label for="onhomepage"> '.get_lang('Yes').'</label>
  234. </div>
  235. </div>';
  236. echo ' <div class="row" id="div_target">
  237. <div class="label">
  238. '.get_lang('AddTargetOfLinkOnHomepage').'
  239. </div>
  240. <div class="formw">
  241. <select name="target_link" id="target_link">';
  242. $targets = array('_self'=>get_lang('LinkOpenSelf'),'_blank'=>get_lang('LinkOpenBlank'),'_parent'=>get_lang('LinkOpenParent'),'_top'=>get_lang('LinkOpenTop'));
  243. foreach ($targets as $target_id => $target) {
  244. $selected = '';
  245. if ($target_id == $target_link) {
  246. $selected = ' selected="selected"';
  247. }
  248. echo ' <option value="'.$target_id.'"'.$selected.'>'.$target.'</option> ';
  249. }
  250. echo ' </select>
  251. </div>
  252. </div>';
  253. if (api_get_setting('search_enabled') == 'true') {
  254. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  255. $specific_fields = get_specific_field_list();
  256. echo ' <div class="row">
  257. <div class="label">
  258. '.get_lang('SearchFeatureDoIndexLink').'?
  259. </div>
  260. <div class="formw">
  261. <input class="checkbox" type="checkbox" name="index_document" id="index_document" checked="checked"><label for="index_document"> '.get_lang('Yes').'</label>
  262. </div>';
  263. foreach ($specific_fields as $specific_field) {
  264. $default_values = '';
  265. if ($_GET['action'] == 'editlink') {
  266. $filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => Security::remove_XSS($_GET['id']), 'tool_id' => '\''. TOOL_LINK .'\'');
  267. $values = get_specific_field_values_list($filter, array('value'));
  268. if (!empty($values)) {
  269. $arr_str_values = array();
  270. foreach ($values as $value) {
  271. $arr_str_values[] = $value['value'];
  272. }
  273. $default_values = implode(', ', $arr_str_values);
  274. }
  275. }
  276. $sf_textbox = '
  277. <div class="row">
  278. <div class="label">%s</div>
  279. <div class="formw">
  280. <input name="%s" type="text" value="%s"/>
  281. </div>
  282. </div>';
  283. echo sprintf($sf_textbox, $specific_field['name'], $specific_field['code'], $default_values);
  284. }
  285. }
  286. //echo '<input type="hidden" name="origin" value="' . Security::remove_XSS($_GET['origin']) . '" />';
  287. echo '<input type="hidden" name="lp_id" value="' . Security::remove_XSS($_GET['lp_id']) . '" />';
  288. echo '<div class="row">
  289. <div class="label">
  290. </div>
  291. <div class="formw">
  292. <button class="save" type="Submit" name="submitLink" value="OK">'.get_lang('SaveLink').'</button>
  293. </div>
  294. </div>';
  295. echo '</form>';
  296. } elseif(($_GET['action'] == 'addcategory' || $_GET['action'] == 'editcategory') && !$submit_category) {
  297. echo '<div class="row">';
  298. if ($_GET['action'] == 'addcategory') {
  299. echo '<div class="form_header">'.get_lang('CategoryAdd').'</div>';
  300. $my_cat_title = get_lang('CategoryAdd');
  301. } else {
  302. echo '<div class="form_header">'.get_lang('CategoryMod').'</div>';
  303. $my_cat_title = get_lang('CategoryMod');
  304. }
  305. echo "</div>";
  306. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  307. if ($_GET['action'] == 'editcategory') {
  308. echo '<input type="hidden" name="id" value="'.$id.'" />';
  309. }
  310. echo ' <div class="row">
  311. <div class="label">
  312. <span class="form_required">*</span> '.get_lang('CategoryName').'
  313. </div>
  314. <div class="formw">
  315. <input type="text" name="category_title" size="50" value="'.Security::remove_XSS($category_title).'" />
  316. </div>
  317. </div>';
  318. echo ' <div class="row">
  319. <div class="label">
  320. '.get_lang('Description').'
  321. </div>
  322. <div class="formw">
  323. <textarea rows="3" cols="50" name="description">'.Security::remove_XSS($description).'</textarea>
  324. </div>
  325. </div>';
  326. echo ' <div class="row">
  327. <div class="label">
  328. </div>
  329. <div class="formw">
  330. <button class="save" type="submit" name="submitCategory">'.$my_cat_title.' </button>
  331. </div>
  332. </div>';
  333. echo "</form>";
  334. }
  335. }
  336. if (!empty($down)) {
  337. movecatlink($down);
  338. }
  339. if (!empty($up)) {
  340. movecatlink($up);
  341. }
  342. if (empty($_GET['action']) || ($_GET['action'] != 'editlink' && $_GET['action'] != 'addcategory' && $_GET['action'] != 'addlink') || $link_submitted || $category_submitted) {
  343. /* Action Links */
  344. if ((isset($_GET['action']) && $_GET['action'] == 'editcategory' && isset($_GET['id'])) || (isset($_GET['action']) && $_GET['action'] == 'addcategory')) {
  345. echo '<br /><br /><br />';
  346. }
  347. echo '<div class="actions">';
  348. if (api_is_allowed_to_edit(null, true)) {
  349. $urlview = Security::remove_XSS($urlview);
  350. 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>';
  351. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;action=addcategory&amp;urlview='.$urlview.'">'.Display::return_icon('new_folder.png', get_lang('CategoryAdd'),'','32').'</a>';
  352. /* "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=importcsv&amp;urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
  353. }
  354. // Making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
  355. // number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
  356. $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
  357. $resultcategories = Database::query($sqlcategories);
  358. $aantalcategories = Database::num_rows($resultcategories);
  359. if ($aantalcategories > 0) {
  360. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  361. for ($j = 1; $j <= $aantalcategories; $j++) {
  362. echo '0';
  363. }
  364. echo '">'.Display::return_icon('view_remove.png', $shownone,'','32').'</a>';
  365. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  366. for ($j = 1; $j <= $aantalcategories; $j++) {
  367. echo '1';
  368. }
  369. echo '">'.Display::return_icon('view_tree.png', $showall,'','32').'</a>';
  370. }
  371. echo '</div>';
  372. // Starting the table which contains the categories
  373. $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
  374. $resultcategories = Database::query($sqlcategories);
  375. // Displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
  376. $sqlLinks = "SELECT * FROM ".$tbl_link." WHERE category_id=0 OR category_id IS NULL";
  377. $result = Database::query($sqlLinks);
  378. $numberofzerocategory = Database::num_rows($result);
  379. echo '<table class="data_table">';
  380. if ($numberofzerocategory !== 0) {
  381. echo '<tr><th style="font-weight: bold; text-align:left;padding-left: 10px;"><i>'.get_lang('General').'</i></th></tr>';
  382. echo '</table>';
  383. showlinksofcategory(0);
  384. }
  385. $i = 0;
  386. $catcounter = 1;
  387. $view = '0';
  388. while ($myrow = Database::fetch_array($resultcategories)) {
  389. // Validacion when belongs to a session
  390. $session_img = api_get_session_image($myrow['session_id'], $_user['status']);
  391. //if (!isset($urlview)) {
  392. if ($urlview == '') {
  393. // No $view set in the url, thus for each category link it should be all zeros except it's own
  394. makedefaultviewcode($i);
  395. } else {
  396. $view = $urlview;
  397. $view[$i] = '1';
  398. }
  399. // If the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
  400. // - instead of a +, the category is no longer clickable and all the links of this category are displayed
  401. $myrow['description'] = text_filter($myrow['description']);
  402. if ($urlview[$i] == '1') {
  403. $newurlview = $urlview;
  404. $newurlview[$i] = '0';
  405. echo '<tr>';
  406. echo '<table class="data_table">';
  407. echo '<tr>';
  408. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
  409. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview='.Security::remove_XSS($newurlview).'">';
  410. echo '<img src="../img/icons/22/view_remove.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).'</a><br />&nbsp;&nbsp;&nbsp;'.$myrow['description'];
  411. echo '</th>';
  412. if (api_is_allowed_to_edit(null, true)) {
  413. if ($session_id == $myrow['session_id']) {
  414. echo '<th>';
  415. showcategoryadmintools($myrow['id']);
  416. echo '</th>';
  417. } else {
  418. echo '<th>'.get_lang('EditionNotAvailableFromSession');
  419. }
  420. }
  421. echo '</tr>';
  422. echo '</table>';
  423. echo showlinksofcategory($myrow['id']);
  424. echo '</tr>';
  425. } else {
  426. echo '<tr>';
  427. echo '<table class="data_table">';
  428. echo '<tr>';
  429. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;"><a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview=';
  430. echo is_array($view) ? implode('', $view) : $view;
  431. echo '"><img src="../img/icons/22/view_tree.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).$session_img;
  432. echo'</a><br />&nbsp;&nbsp;&nbsp;';
  433. echo $myrow['description'];
  434. if (api_is_allowed_to_edit(null, true)) {
  435. echo '<th style="text-align:center;">';
  436. showcategoryadmintools($myrow['id']);
  437. echo '</th>';
  438. }
  439. echo '</th>';
  440. echo '</tr>';
  441. echo '</table>';
  442. echo '</tr>';
  443. }
  444. // Displaying the link of the category
  445. $i++;
  446. }
  447. echo '</table>';
  448. }
  449. Display::display_footer();