link.php 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493
  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
  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 'linkfunctions.php';
  26. $this_section = SECTION_COURSES;
  27. api_protect_course_script();
  28. $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
  29. $htmlHeadXtra[] = '<script type="text/javascript">
  30. $(document).ready( function() {
  31. for (i=0;i<$(".actions").length;i++) {
  32. if ($(".actions:eq("+i+")").html()=="<table border=\"0\"></table>" || $(".actions:eq("+i+")").html()=="" || $(".actions:eq("+i+")").html()==null) {
  33. $(".actions:eq("+i+")").hide();
  34. }
  35. }
  36. } );
  37. </script>';
  38. // @todo change the $_REQUEST into $_POST or $_GET
  39. // @todo remove this code
  40. $link_submitted = isset($_POST['submitLink']);
  41. $category_submitted = isset($_POST['submitCategory']);
  42. $urlview = !empty($_GET['urlview']) ? $_GET['urlview'] : '';
  43. $submit_import = !empty($_POST['submitImport']) ? $_POST['submitImport'] : '';
  44. $down = !empty($_GET['down']) ? $_GET['down'] : '';
  45. $up = !empty($_GET['up']) ? $_GET['up'] : '';
  46. $catmove = !empty($_GET['catmove']) ? $_GET['catmove'] : '';
  47. $editlink = !empty($_REQUEST['editlink']) ? $_REQUEST['editlink'] : '';
  48. $id = !empty($_REQUEST['id']) ? $_REQUEST['id'] : '';
  49. $urllink = !empty($_REQUEST['urllink']) ? $_REQUEST['urllink'] : '';
  50. $title = !empty($_REQUEST['title']) ? $_REQUEST['title'] : '';
  51. $description = !empty($_REQUEST['description']) ? $_REQUEST['description'] : '';
  52. $selectcategory = !empty($_REQUEST['selectcategory']) ? $_REQUEST['selectcategory'] : '';
  53. $submit_link = isset($_REQUEST['submitLink']);
  54. $action = !empty($_REQUEST['action']) ? $_REQUEST['action'] : '';
  55. $category_title = !empty($_REQUEST['category_title']) ? $_REQUEST['category_title'] : '';
  56. $submit_category = isset($_POST['submitCategory']);
  57. $target_link = !empty($_REQUEST['target_link']) ? $_REQUEST['target_link'] : '_self';
  58. $nameTools = get_lang('Links');
  59. // Condition for the session
  60. $session_id = api_get_session_id();
  61. $condition_session = api_get_session_condition($session_id, false, true);
  62. if (isset($_GET['action']) && $_GET['action'] == 'addlink') {
  63. $nameTools = '';
  64. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  65. $interbreadcrumb[] = array('url' => 'link.php?action=addlink', 'name' => get_lang('AddLink'));
  66. }
  67. if (isset($_GET['action']) && $_GET['action'] == 'addcategory') {
  68. $nameTools = '';
  69. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  70. $interbreadcrumb[] = array('url' => 'link.php?action=addcategory', 'name' => get_lang('AddCategory'));
  71. }
  72. if (isset($_GET['action']) && $_GET['action'] == 'editlink') {
  73. $nameTools = '';
  74. $interbreadcrumb[] = array('url' => 'link.php', 'name' => get_lang('Links'));
  75. $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('EditLink'));
  76. }
  77. // Database Table definitions
  78. $tbl_link = Database::get_course_table(TABLE_LINK);
  79. $tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY);
  80. // Statistics
  81. event_access_tool(TOOL_LINK);
  82. Display::display_header($nameTools, 'Links');
  83. ?>
  84. <script type="text/javascript">
  85. /* <![CDATA[ */
  86. function MM_popupMsg(msg) { //v1.0
  87. confirm(msg);
  88. }
  89. /* ]]> */
  90. </script>
  91. <?php
  92. /* Action Handling */
  93. $nameTools = get_lang('Links');
  94. if (isset($_GET['action'])) {
  95. switch ($_GET['action']) {
  96. case 'addlink':
  97. if ($link_submitted) {
  98. if(!addlinkcategory("link")) { // Here we add a link
  99. unset($submit_link);
  100. }
  101. }
  102. break;
  103. case 'addcategory':
  104. if ($category_submitted) {
  105. if (!addlinkcategory('category')) { // Here we add a category
  106. unset($submit_category);
  107. }
  108. }
  109. break;
  110. case 'importcsv':
  111. if ($_POST['submitImport']) {
  112. import_csvfile();
  113. }
  114. break;
  115. case 'deletelink':
  116. deletelinkcategory('link'); // Here we delete a link
  117. break;
  118. case 'deletecategory':
  119. deletelinkcategory('category'); // Here we delete a category
  120. break;
  121. case 'editlink':
  122. editlinkcategory('link'); // Here we edit a link
  123. break;
  124. case 'editcategory':
  125. editlinkcategory('category'); // Here we edit a category
  126. break;
  127. case 'visible':
  128. change_visibility($_GET['id'], $_GET['scope']); // Here we edit a category
  129. break;
  130. case 'invisible':
  131. change_visibility($_GET['id'], $_GET['scope']); // Here we edit a category
  132. break;
  133. }
  134. }
  135. /* Introduction section */
  136. Display::display_introduction_section(TOOL_LINK);
  137. if (api_is_allowed_to_edit(null, true) && isset($_GET['action'])) {
  138. echo '<div class="actions">';
  139. 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>';
  140. echo '</div>';
  141. if (api_get_setting('search_enabled') == 'true') {
  142. if (!extension_loaded('xapian')) {
  143. Display::display_error_message(get_lang('SearchXapianModuleNotInstaled'));
  144. }
  145. }
  146. // Displaying the correct title and the form for adding a category or link. This is only shown when nothing
  147. // has been submitted yet, hence !isset($submit_link)
  148. if (($_GET['action'] == 'addlink' || $_GET['action'] == 'editlink') && empty($_POST['submitLink'])) {
  149. echo '<div class="row">';
  150. if ($_GET['action'] == 'addlink') {
  151. echo '<div class="form_header">'.get_lang('LinkAdd').'</div>';
  152. } else {
  153. echo '<div class="form_header">'.get_lang('LinkMod').'</div>';
  154. }
  155. echo '</div>';
  156. if ($category == '') {
  157. $category = 0;
  158. }
  159. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  160. if ($_GET['action'] == 'editlink') {
  161. echo '<input type="hidden" name="id" value="'.Security::remove_XSS($_GET['id']).'" />';
  162. $clean_link_id = trim(Security::remove_XSS($_GET['id']));
  163. }
  164. echo ' <div class="row">
  165. <div class="label">
  166. <span class="form_required">*</span> '.get_lang('Url').'
  167. </div>
  168. <div class="formw">
  169. <input type="text" name="urllink" size="50" value="' . (empty($urllink) ? 'http://' : Security::remove_XSS($urllink)) . '" />
  170. </div>
  171. </div>';
  172. echo ' <div class="row">
  173. <div class="label">
  174. '.get_lang('LinkName').'
  175. </div>
  176. <div class="formw">
  177. <input type="text" name="title" size="50" value="' . Security::remove_XSS($title) . '" />
  178. </div>
  179. </div>';
  180. echo ' <div class="row">
  181. <div class="label">
  182. '.get_lang('Metadata').'
  183. </div>
  184. <div class="formw">
  185. <a href="../metadata/index.php?eid='.urlencode('Link.'.$clean_link_id).'">'.get_lang('AddMetadata').'</a>
  186. </div>
  187. </div>';
  188. echo ' <div class="row">
  189. <div class="label">
  190. '.get_lang('Description').'
  191. </div>
  192. <div class="formw">
  193. <textarea rows="3" cols="50" name="description">' . Security::remove_XSS($description) . '</textarea>
  194. </div>
  195. </div>';
  196. $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
  197. $resultcategories = Database::query($sqlcategories);
  198. if (Database::num_rows($resultcategories)) {
  199. echo ' <div class="row">
  200. <div class="label">
  201. '.get_lang('Category').'
  202. </div>
  203. <div class="formw">';
  204. echo ' <select name="selectcategory">';
  205. echo ' <option value="0">--</option>';
  206. while ($myrow = Database::fetch_array($resultcategories)) {
  207. echo ' <option value="'.$myrow['id'].'"';
  208. if ($myrow['id'] == $category) {
  209. echo ' selected';
  210. }
  211. echo '>'.$myrow['category_title'].'</option>';
  212. }
  213. echo ' </select>';
  214. echo ' </div>
  215. </div>';
  216. }
  217. echo ' <div class="row">
  218. <div class="label">
  219. '.get_lang('OnHomepage').'?
  220. </div>
  221. <div class="formw">
  222. <input id="id_check_target" class="checkbox" type="checkbox" name="onhomepage" id="onhomepage" value="1"'.$onhomepage.'><label for="onhomepage"> '.get_lang('Yes').'</label>
  223. </div>
  224. </div>';
  225. echo ' <div class="row" id="div_target">
  226. <div class="label">
  227. '.get_lang('AddTargetOfLinkOnHomepage').'
  228. </div>
  229. <div class="formw" >
  230. <select name="target_link" id="target_link">';
  231. $targets = array('_self'=>get_lang('LinkOpenSelf'),'_blank'=>get_lang('LinkOpenBlank'),'_parent'=>get_lang('LinkOpenParent'),'_top'=>get_lang('LinkOpenTop'));
  232. foreach ($targets as $target_id => $target) {
  233. $selected = '';
  234. if ($target_id == $target_link) {
  235. $selected = ' selected="selected"';
  236. }
  237. echo ' <option value="'.$target_id.'"'.$selected.'>'.$target.'</option> ';
  238. }
  239. echo ' </select>
  240. </div>
  241. </div>';
  242. if (api_get_setting('search_enabled') == 'true') {
  243. require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
  244. $specific_fields = get_specific_field_list();
  245. echo ' <div class="row">
  246. <div class="label">
  247. '.get_lang('SearchFeatureDoIndexLink').'?
  248. </div>
  249. <div class="formw">
  250. <input class="checkbox" type="checkbox" name="index_document" id="index_document" checked="checked"><label for="index_document"> '.get_lang('Yes').'</label>
  251. </div>';
  252. foreach ($specific_fields as $specific_field) {
  253. // Author : <input name="A" type="text" />
  254. $default_values = '';
  255. if ($_GET['action'] == 'editlink') {
  256. $filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => Security::remove_XSS($_GET['id']), 'tool_id' => '\''. TOOL_LINK .'\'');
  257. $values = get_specific_field_values_list($filter, array('value'));
  258. if (!empty($values)) {
  259. $arr_str_values = array();
  260. foreach ($values as $value) {
  261. $arr_str_values[] = $value['value'];
  262. }
  263. $default_values = implode(', ', $arr_str_values);
  264. }
  265. }
  266. $sf_textbox = '
  267. <div class="row">
  268. <div class="label">%s</div>
  269. <div class="formw">
  270. <input name="%s" type="text" value="%s"/>
  271. </div>
  272. </div>';
  273. echo sprintf($sf_textbox, $specific_field['name'], $specific_field['code'], $default_values);
  274. }
  275. }
  276. echo ' <div class="row">
  277. <div class="label">
  278. </div>
  279. <div class="formw">
  280. <button class="save" type="Submit" name="submitLink" value="OK">'.get_lang('SaveLink').'</button>
  281. </div>
  282. </div>';
  283. echo '</form>';
  284. } elseif(($_GET['action'] == 'addcategory' || $_GET['action'] == 'editcategory') && !$submit_category) {
  285. echo '<div class="row">';
  286. if ($_GET['action'] == 'addcategory') {
  287. echo '<div class="form_header">'.get_lang('CategoryAdd').'</div>';
  288. $my_cat_title = get_lang('CategoryAdd');
  289. } else {
  290. echo '<div class="form_header">'.get_lang('CategoryMod').'</div>';
  291. $my_cat_title = get_lang('CategoryMod');
  292. }
  293. echo "</div>\n\n";
  294. echo '<form method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&amp;urlview='.Security::remove_XSS($urlview).'">';
  295. if ($_GET['action'] == 'editcategory') {
  296. echo '<input type="hidden" name="id" value="'.$id.'" />';
  297. }
  298. echo ' <div class="row">
  299. <div class="label">
  300. <span class="form_required">*</span> '.get_lang('CategoryName').'
  301. </div>
  302. <div class="formw">
  303. <input type="text" name="category_title" size="50" value="'.Security::remove_XSS($category_title).'" />
  304. </div>
  305. </div>';
  306. echo ' <div class="row">
  307. <div class="label">
  308. '.get_lang('Description').'
  309. </div>
  310. <div class="formw">
  311. <textarea rows="3" cols="50" name="description">'.Security::remove_XSS($description).'</textarea>
  312. </div>
  313. </div>';
  314. echo ' <div class="row">
  315. <div class="label">
  316. </div>
  317. <div class="formw">
  318. <button class="save" type="submit" name="submitCategory">'.$my_cat_title.' </button>
  319. </div>
  320. </div>';
  321. echo "</form>";
  322. }
  323. }
  324. if (!empty($down)) {
  325. movecatlink($down);
  326. }
  327. if (!empty($up)) {
  328. movecatlink($up);
  329. }
  330. if (empty($_GET['action']) || ($_GET['action'] != 'editlink' && $_GET['action'] != 'addcategory' && $_GET['action'] != 'addlink') || $link_submitted || $category_submitted) {
  331. /* Action Links */
  332. if ((isset($_GET['action']) && $_GET['action'] == 'editcategory' && isset($_GET['id'])) || (isset($_GET['action']) && $_GET['action'] == 'addcategory')) {
  333. echo '<br /><br /><br />';
  334. }
  335. echo '<div class="actions">';
  336. if (api_is_allowed_to_edit(null, true)) {
  337. $urlview = Security::remove_XSS($urlview);
  338. 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>';
  339. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;action=addcategory&amp;urlview='.$urlview.'">'.Display::return_icon('new_folder.png', get_lang('CategoryAdd'),'','32').'</a>';
  340. /* "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=importcsv&amp;urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
  341. }
  342. // Making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
  343. // number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
  344. $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
  345. $resultcategories = Database::query($sqlcategories);
  346. $aantalcategories = Database::num_rows($resultcategories);
  347. if ($aantalcategories > 0) {
  348. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  349. for ($j = 1; $j <= $aantalcategories; $j++) {
  350. echo '0';
  351. }
  352. echo '">'.Display::return_icon('view_remove.png', $shownone,'','32').'</a>';
  353. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
  354. for ($j = 1; $j <= $aantalcategories; $j++) {
  355. echo '1';
  356. }
  357. echo '">'.Display::return_icon('view_tree.png', $showall,'','32').'</a>';
  358. }
  359. echo '</div>';
  360. // Starting the table which contains the categories
  361. $sqlcategories = "SELECT * FROM ".$tbl_categories." $condition_session ORDER BY display_order DESC";
  362. $resultcategories = Database::query($sqlcategories);
  363. echo '<table class="data_table">';
  364. // Displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
  365. $sqlLinks = "SELECT * FROM ".$tbl_link." WHERE category_id=0 OR category_id IS NULL";
  366. $result = Database::query($sqlLinks);
  367. $numberofzerocategory = Database::num_rows($result);
  368. if ($numberofzerocategory !== 0) {
  369. echo '<tr><th style="font-weight: bold; text-align:left;padding-left: 10px;"><i>'.get_lang('General').'</i></th></tr>';
  370. echo '</table>';
  371. showlinksofcategory(0);
  372. }
  373. $i = 0;
  374. $catcounter = 1;
  375. $view = '0';
  376. while ($myrow = Database::fetch_array($resultcategories)) {
  377. // Validacion when belongs to a session
  378. $session_img = api_get_session_image($myrow['session_id'], $_user['status']);
  379. //if (!isset($urlview)) {
  380. if ($urlview == '') {
  381. // No $view set in the url, thus for each category link it should be all zeros except it's own
  382. makedefaultviewcode($i);
  383. } else {
  384. $view = $urlview;
  385. $view[$i] = '1';
  386. }
  387. // If the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
  388. // - instead of a +, the category is no longer clickable and all the links of this category are displayed
  389. $myrow['description'] = text_filter($myrow['description']);
  390. if ($urlview[$i] == '1') {
  391. $newurlview = $urlview;
  392. $newurlview[$i] = '0';
  393. echo '<tr>';
  394. echo '<table class="data_table">';
  395. echo '<tr>';
  396. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
  397. echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview='.Security::remove_XSS($newurlview).'">';
  398. echo '<img src="../img/icons/22/view_remove.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).'</a><br />&nbsp;&nbsp;&nbsp;'.$myrow['description'];
  399. echo '</th>';
  400. if (api_is_allowed_to_edit(null, true)) {
  401. if ($session_id == $myrow['session_id']) {
  402. echo '<th>';
  403. showcategoryadmintools($myrow['id']);
  404. echo '</th>';
  405. } else {
  406. echo '<th>'.get_lang('EditionNotAvailableFromSession');
  407. }
  408. }
  409. echo '</tr>';
  410. echo '</table>';
  411. echo showlinksofcategory($myrow['id']);
  412. echo '</tr>';
  413. } else {
  414. echo '<tr>';
  415. echo '<table class="data_table">';
  416. echo '<tr>';
  417. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;"><a href="'.api_get_self().'?'.api_get_cidreq().'&amp;urlview=';
  418. echo is_array($view) ? implode('', $view) : $view;
  419. echo '"><img src="../img/icons/22/view_tree.png" />&nbsp;&nbsp;'.Security::remove_XSS($myrow['category_title']).$session_img;
  420. echo'</a><br />&nbsp;&nbsp;&nbsp;';
  421. echo $myrow['description'];
  422. if (api_is_allowed_to_edit(null, true)) {
  423. echo '<th style="text-align:center;">';
  424. showcategoryadmintools($myrow['id']);
  425. echo '</th>';
  426. }
  427. echo '</th>';
  428. echo '</tr>';
  429. echo '</table>';
  430. echo '</tr>';
  431. }
  432. // Displaying the link of the category
  433. $i++;
  434. }
  435. echo '</table>';
  436. }
  437. Display::display_footer();