link.php 19 KB

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  1. <?php // $Id: link.php 22251 2009-07-20 16:56:54Z iflorespaz $
  2. /*
  3. ==============================================================================
  4. Dokeos - elearning and course management software
  5. Copyright (c) 2004-2008 Dokeos SPRL
  6. Copyright (c) 2003 Ghent University (UGent)
  7. For a full list of contributors, see "credits.txt".
  8. The full license can be read in "license.txt".
  9. This program is free software; you can redistribute it and/or
  10. modify it under the terms of the GNU General Public License
  11. as published by the Free Software Foundation; either version 2
  12. of the License, or (at your option) any later version.
  13. See the GNU General Public License for more details.
  14. Contact: Dokeos, rue Notre Dame, 152, B-1140 Evere, Belgium, info@dokeos.com
  15. ==============================================================================
  16. */
  17. /**
  18. ==============================================================================
  19. * Main script for the links tool.
  20. *
  21. * Features:
  22. * - Organize links into categories;
  23. * - favorites/bookmarks-like interface;
  24. * - move links up/down within a category;
  25. * - move categories up/down;
  26. * - expand/collapse all categories (except the main "non"-category);
  27. * - add link to 'root' category => category-less link is always visible.
  28. *
  29. * @author Patrick Cool, main author, completely rewritten
  30. * @author Rene Haentjens, added CSV file import (October 2004)
  31. * @package dokeos.link
  32. * @todo improve organisation, tables should come from database library
  33. ==============================================================================
  34. */
  35. /*
  36. ==============================================================================
  37. INIT SECTION
  38. ==============================================================================
  39. */
  40. // name of the language file that needs to be included
  41. $language_file = array('link','admin');
  42. // including libraries
  43. require_once "../inc/global.inc.php";
  44. require_once "linkfunctions.php";
  45. $this_section=SECTION_COURSES;
  46. api_protect_course_script();
  47. $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
  48. $htmlHeadXtra[] = '<script type="text/javascript">
  49. $(document).ready( function() {
  50. for (i=0;i<$(".actions").length;i++) {
  51. if ($(".actions:eq("+i+")").html()=="<table border=\"0\"></table>" || $(".actions:eq("+i+")").html()=="" || $(".actions:eq("+i+")").html()==null) {
  52. $(".actions:eq("+i+")").hide();
  53. }
  54. }
  55. $("#div_target").attr("style","display:none;")//hide
  56. $("#id_check_target").click(function () {
  57. if($(this).attr("checked")==true) {
  58. $("#div_target").attr("style","display:block;")//show
  59. } else {
  60. $("#div_target").attr("style","display:none;")//hide
  61. }
  62. });
  63. $(window).load(function () {
  64. if($("#id_check_target").attr("checked")==true) {
  65. $("#div_target").attr("style","display:block;")//show
  66. } else {
  67. $("#div_target").attr("style","display:none;")//hide
  68. }
  69. });
  70. } );
  71. </script>';
  72. // div_target
  73. // @todo change the $_REQUEST into $_POST or $_GET
  74. // @todo remove this code
  75. $link_submitted = (isset($_POST['submitLink'])?true:false);
  76. $category_submitted = (isset($_POST['submitCategory'])?true:false);
  77. $urlview = (!empty($_GET['urlview'])?$_GET['urlview']:'');
  78. $submitImport = (!empty($_POST['submitImport'])?$_POST['submitImport']:'');
  79. $down = (!empty($_GET['down'])?$_GET['down']:'');
  80. $up = (!empty($_GET['up'])?$_GET['up']:'');
  81. $catmove = (!empty($_GET['catmove'])?$_GET['catmove']:'');
  82. $editlink = (!empty($_REQUEST['editlink'])?$_REQUEST['editlink']:'');
  83. $id = (!empty($_REQUEST['id'])?$_REQUEST['id']:'');
  84. $urllink = (!empty($_REQUEST['urllink'])?$_REQUEST['urllink']:'');
  85. $title = (!empty($_REQUEST['title'])?$_REQUEST['title']:'');
  86. $description = (!empty($_REQUEST['description'])?$_REQUEST['description']:'');
  87. $selectcategory = (!empty($_REQUEST['selectcategory'])?$_REQUEST['selectcategory']:'');
  88. $submitLink = (isset($_REQUEST['submitLink'])?true : false);
  89. $action = (!empty($_REQUEST['action'])?$_REQUEST['action']:'');
  90. $category_title = (!empty($_REQUEST['category_title'])?$_REQUEST['category_title']:'');
  91. $submitCategory = isset($_POST['submitCategory'])?true:false;
  92. $nameTools = get_lang('Links');
  93. if (isset($_GET['action']) && $_GET['action']=='addlink') {
  94. $nameTools = '';
  95. $interbreadcrumb[] = array ('url' => 'link.php', 'name' => get_lang('Links'));
  96. $interbreadcrumb[] = array ('url' => 'link.php?action=addlink', 'name' => get_lang('AddLink'));
  97. }
  98. if (isset($_GET['action']) && $_GET['action']=='addcategory') {
  99. $nameTools = '';
  100. $interbreadcrumb[] = array ('url' => 'link.php', 'name' => get_lang('Links'));
  101. $interbreadcrumb[] = array ('url' => 'link.php?action=addcategory', 'name' => get_lang('AddCategory'));
  102. }
  103. if (isset($_GET['action']) && $_GET['action']=='editlink') {
  104. $nameTools = '';
  105. $interbreadcrumb[] = array ('url' => 'link.php', 'name' => get_lang('Links'));
  106. $interbreadcrumb[] = array ('url' => '#', 'name' => get_lang('EditLink'));
  107. }
  108. // Database Table definitions
  109. $tbl_link = Database::get_course_table(TABLE_LINK);
  110. $tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY);
  111. //statistics
  112. event_access_tool(TOOL_LINK);
  113. Display::display_header($nameTools, 'Links');
  114. ?>
  115. <script type="text/javascript">
  116. /* <![CDATA[ */
  117. function MM_popupMsg(msg) { //v1.0
  118. confirm(msg);
  119. }
  120. /* ]]> */
  121. </script>
  122. <?php
  123. /*
  124. -----------------------------------------------------------
  125. Action Handling
  126. -----------------------------------------------------------
  127. */
  128. $nameTools = get_lang("Links");
  129. if(isset($_GET['action'])) {
  130. switch($_GET['action']) {
  131. case "addlink":
  132. if($link_submitted)
  133. {
  134. if(!addlinkcategory("link")) // here we add a link
  135. {
  136. unset($submitLink);
  137. }
  138. }
  139. break;
  140. case "addcategory":
  141. if($category_submitted)
  142. {
  143. if(!addlinkcategory("category")) // here we add a category
  144. {
  145. unset($submitCategory);
  146. }
  147. }
  148. break;
  149. case "importcsv":
  150. if($_POST["submitImport"])
  151. {
  152. import_csvfile();
  153. }
  154. break;
  155. case "deletelink":
  156. deletelinkcategory("link"); // here we delete a link
  157. break;
  158. case "deletecategory":
  159. deletelinkcategory("category"); // here we delete a category
  160. break;
  161. case "editlink":
  162. editlinkcategory("link"); // here we edit a link
  163. break;
  164. case "editcategory":
  165. editlinkcategory("category"); // here we edit a category
  166. break;
  167. case "visible":
  168. change_visibility($_GET['id'],$_GET['scope']); // here we edit a category
  169. break;
  170. case "invisible":
  171. change_visibility($_GET['id'],$_GET['scope']); // here we edit a category
  172. break;
  173. }
  174. }
  175. /*
  176. -----------------------------------------------------------
  177. Introduction section
  178. -----------------------------------------------------------
  179. */
  180. Display::display_introduction_section(TOOL_LINK);
  181. if (is_allowed_to_edit() and isset($_GET['action'])) {
  182. echo '<div class="actions">';
  183. echo '<a href="link.php?cidReq='.Security::remove_XSS($_GET['cidReq']).'&amp;urlview='.Security::remove_XSS($_GET['urlview']).'">'.Display::return_icon('back.png',get_lang('BackToLinksOverview')).get_lang('BackToLinksOverview').'</a>';
  184. echo '</div>';
  185. if(api_get_setting('search_enabled')=='true') {
  186. if (!extension_loaded('xapian')) {
  187. Display::display_error_message(get_lang('SearchXapianModuleNotInstaled'));
  188. }
  189. }
  190. // Displaying the correct title and the form for adding a category or link. This is only shown when nothing
  191. // has been submitted yet, hence !isset($submitLink)
  192. if (($_GET['action']=="addlink" or $_GET['action']=="editlink") and empty($_POST['submitLink'])) {
  193. echo '<div class="row">';
  194. if ($_GET['action']=="addlink")
  195. {echo '<div class="form_header">'.get_lang("LinkAdd").'</div>';}
  196. else
  197. {echo '<div class="form_header">'.get_lang("LinkMod").'</div>';}
  198. echo '</div>';
  199. if ($category=="") {
  200. $category=0;
  201. }
  202. echo "<form method=\"post\" action=\"".api_get_self()."?action=".Security::remove_XSS($_GET['action'])."&amp;urlview=".Security::remove_XSS($urlview)."\">";
  203. if ($_GET['action']=="editlink")
  204. {
  205. echo "<input type=\"hidden\" name=\"id\" value=\"".Security::remove_XSS($_GET['id'])."\" />";
  206. }
  207. echo ' <div class="row">
  208. <div class="label">
  209. <span class="form_required">*</span> '.get_lang('Url').'
  210. </div>
  211. <div class="formw">
  212. <input type="text" name="urllink" size="50" value="' . (empty($urllink)?'http://':api_htmlentities($urllink, ENT_COMPAT, $charset)) . '" />
  213. </div>
  214. </div>';
  215. echo ' <div class="row">
  216. <div class="label">
  217. '.get_lang('LinkName').'
  218. </div>
  219. <div class="formw">
  220. <input type="text" name="title" size="50" value="' . api_htmlentities($title,ENT_QUOTES,$charset) . '" />
  221. </div>
  222. </div>';
  223. echo ' <div class="row">
  224. <div class="label">
  225. '.get_lang('Description').'
  226. </div>
  227. <div class="formw">
  228. <textarea rows="3" cols="50" name="description">' . api_htmlentities($description,ENT_QUOTES,$charset) . '</textarea>
  229. </div>
  230. </div>';
  231. $sqlcategories="SELECT * FROM ".$tbl_categories." ORDER BY display_order DESC";
  232. $resultcategories = api_sql_query($sqlcategories,__FILE__,__LINE__);
  233. if (Database::num_rows($resultcategories)) {
  234. echo ' <div class="row">
  235. <div class="label">
  236. '.get_lang('Category').'
  237. </div>
  238. <div class="formw">';
  239. echo ' <select name="selectcategory">';
  240. echo ' <option value="0">--</option>';
  241. while ($myrow = Database::fetch_array($resultcategories))
  242. {
  243. echo " <option value=\"".$myrow["id"]."\"";
  244. if ($myrow["id"]==$category)
  245. {echo " selected";}
  246. echo ">".$myrow["category_title"]."</option>";
  247. }
  248. echo ' </select>';
  249. echo ' </div>
  250. </div>';
  251. }
  252. echo ' <div class="row">
  253. <div class="label">
  254. '.get_lang('OnHomepage').'?
  255. </div>
  256. <div class="formw">
  257. <input id="id_check_target" class="checkbox" type="checkbox" name="onhomepage" id="onhomepage" value="1"'.$onhomepage.'><label for="onhomepage"> '.get_lang('Yes').'</label>
  258. </div>
  259. </div>';
  260. echo ' <div class="row" id="div_target">
  261. <div class="label">
  262. '.get_lang('AddTargetOfLinkOnHomepage').'
  263. </div>
  264. <div class="formw" >
  265. <select name="target_link" id="target_link">
  266. <option value="_self">_self</option>
  267. <option value="_blank">_blank</option>
  268. <option value="_parent">_parent</option>
  269. <option value="_top">_top</option>
  270. </select>
  271. </div>
  272. </div>';
  273. if(api_get_setting('search_enabled')=='true')
  274. {
  275. require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
  276. $specific_fields = get_specific_field_list();
  277. echo ' <div class="row">
  278. <div class="label">
  279. '.get_lang('SearchFeatureDoIndexLink').'?
  280. </div>
  281. <div class="formw">
  282. <input class="checkbox" type="checkbox" name="index_document" id="index_document" checked="checked"><label for="index_document"> '.get_lang('Yes').'</label>
  283. </div>';
  284. foreach ($specific_fields as $specific_field) {
  285. //Author : <input name="A" type="text" />
  286. $default_values = '';
  287. if ($_GET['action']=="editlink")
  288. {
  289. $filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => Security::remove_XSS($_GET['id']), 'tool_id' => '\''. TOOL_LINK .'\'');
  290. $values = get_specific_field_values_list($filter, array('value'));
  291. if ( !empty($values) ) {
  292. $arr_str_values = array();
  293. foreach ($values as $value) {
  294. $arr_str_values[] = $value['value'];
  295. }
  296. $default_values = implode(', ', $arr_str_values);
  297. }
  298. }
  299. $sf_textbox = '
  300. <div class="row">
  301. <div class="label">%s</div>
  302. <div class="formw">
  303. <input name="%s" type="text" value="%s"/>
  304. </div>
  305. </div>';
  306. echo sprintf($sf_textbox, $specific_field['name'], $specific_field['code'], $default_values);
  307. }
  308. }
  309. echo ' <div class="row">
  310. <div class="label">
  311. </div>
  312. <div class="formw">
  313. <button class="save" type="Submit" name="submitLink" value="OK">'.get_lang('SaveLink').'</button>
  314. </div>
  315. </div>';
  316. echo '</form>';
  317. } elseif(($_GET['action']=="addcategory" or $_GET['action']=="editcategory") and !$submitCategory) {
  318. echo '<div class="row">';
  319. if ($_GET['action']=="addcategory") {
  320. echo '<div class="form_header">'.get_lang('CategoryAdd').'</div>';
  321. $my_cat_title=get_lang('CategoryAdd');
  322. } else {
  323. echo '<div class="form_header">'.get_lang('CategoryMod').'</div>';
  324. $my_cat_title=get_lang('CategoryMod');
  325. }
  326. echo "</div>\n\n";
  327. echo "<form method=\"post\" action=\"".api_get_self()."?action=".Security::remove_XSS($_GET['action'])."&amp;urlview=".Security::remove_XSS($urlview)."\">";
  328. if ($_GET['action']=="editcategory")
  329. {
  330. echo "<input type=\"hidden\" name=\"id\" value=\"".$id."\" />";
  331. }
  332. echo ' <div class="row">
  333. <div class="label">
  334. <span class="form_required">*</span> '.get_lang('CategoryName').'
  335. </div>
  336. <div class="formw">
  337. <input type="text" name="category_title" size="50" value="'.api_htmlentities($category_title,ENT_QUOTES,$charset).'" />
  338. </div>
  339. </div>';
  340. echo ' <div class="row">
  341. <div class="label">
  342. '.get_lang('Description').'
  343. </div>
  344. <div class="formw">
  345. <textarea rows="3" cols="50" name="description">'.api_htmlentities($description,ENT_QUOTES,$charset).'</textarea>
  346. </div>
  347. </div>';
  348. echo ' <div class="row">
  349. <div class="label">
  350. </div>
  351. <div class="formw">
  352. <button class="save" type="submit" name="submitCategory">'.$my_cat_title.' </button>
  353. </div>
  354. </div>';
  355. echo "</form>";
  356. }
  357. /*elseif(($_GET['action']=="importcsv") and !$submitImport) // RH start
  358. {
  359. echo "<h4>", get_lang('CsvImport'), "</h4>\n\n",
  360. "<form method=\"post\" action=\"".api_get_self()."?action=".$_GET['action']."&amp;urlview=".$urlview."\" enctype=\"multipart/form-data\">",
  361. // uncomment if you want to set a limit: '<input type="hidden" name="MAX_FILE_SIZE" value="32768">', "\n",
  362. '<input type="file" name="import_file" size="30">', "\n",
  363. "<input type=\"Submit\" name=\"submitImport\" value=\"".get_lang('Ok')."\">",
  364. "</form>";
  365. echo get_lang('CsvExplain');
  366. }*/
  367. }
  368. if (!empty($down)) {
  369. movecatlink($down);
  370. }
  371. if (!empty($up)) {
  372. movecatlink($up);
  373. }
  374. if (empty($_GET['action']) || ($_GET['action']!='editlink' && $_GET['action']!='addcategory' && $_GET['action']!='addlink') || $link_submitted || $category_submitted) {
  375. /*
  376. -----------------------------------------------------------
  377. Action Links
  378. -----------------------------------------------------------
  379. */
  380. if ((isset($_GET['action'] ) && $_GET['action']=='editcategory' && isset($_GET['id'])) || (isset($_GET['action']) && $_GET['action']=='addcategory')) {
  381. echo '<br/><br/><br/>';
  382. }
  383. echo '<div class="actions">';
  384. if(is_allowed_to_edit()) {
  385. $urlview = Security::remove_XSS($urlview);
  386. echo Display::return_icon('linksnew.gif',get_lang('LinkAdd'))." <a href=\"".api_get_self()."?".api_get_cidreq()."&action=addlink&amp;category=".(!empty($category)?$category:'')."&amp;urlview=$urlview\">".get_lang("LinkAdd")."</a>\n";
  387. echo Display::return_icon('folder_new.gif', get_lang("CategoryAdd"))." <a href=\"".api_get_self()."?".api_get_cidreq()."&action=addcategory&amp;urlview=".$urlview."\">".get_lang("CategoryAdd")."</a>\n";
  388. /* "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=importcsv&amp;urlview=".$urlview."\">".get_lang('CsvImport')."</a>\n", // RH*/
  389. }
  390. //making the show none / show all links. Show none means urlview=0000 (number of zeros depending on the
  391. //number of categories). Show all means urlview=1111 (number of 1 depending on teh number of categories).
  392. $sqlcategories="SELECT * FROM ".$tbl_categories." ORDER BY display_order DESC";
  393. $resultcategories=api_sql_query($sqlcategories);
  394. $aantalcategories = Database::num_rows($resultcategories);
  395. if ($aantalcategories > 0) {
  396. echo Display::return_icon('remove.gif', $shownone)." <a href=\"".api_get_self()."?".api_get_cidreq()."&urlview=";
  397. for($j = 1; $j <= $aantalcategories; $j++) {
  398. echo "0";
  399. }
  400. echo "\">".get_lang('shownone')."</a>";
  401. echo Display::return_icon('add.gif', $showall)." <a href=\"".api_get_self()."?".api_get_cidreq()."&urlview=";
  402. for($j = 1; $j <= $aantalcategories; $j++)
  403. {
  404. echo "1";
  405. }
  406. echo "\">".get_lang('showall')."</a>";
  407. }
  408. echo '</div>';
  409. //Starting the table which contains the categories
  410. $sqlcategories="SELECT * FROM ".$tbl_categories." ORDER BY display_order DESC";
  411. $resultcategories=api_sql_query($sqlcategories);
  412. echo '<table class="data_table">';
  413. // displaying the links which have no category (thus category = 0 or NULL), if none present this will not be displayed
  414. $sqlLinks = "SELECT * FROM ".$tbl_link." WHERE category_id=0 or category_id IS NULL";
  415. $result = api_sql_query($sqlLinks);
  416. $numberofzerocategory=Database::num_rows($result);
  417. if ($numberofzerocategory!==0) {
  418. echo "<tr><th style=\"font-weight: bold; text-align:left;padding-left: 10px;\"><i>".get_lang('General')."</i></th></tr>";
  419. echo '</table>';
  420. showlinksofcategory(0);
  421. }
  422. $i=0;
  423. $catcounter=1;
  424. $view="0";
  425. while ($myrow=Database::fetch_array($resultcategories))
  426. {
  427. //if (!isset($urlview))
  428. if ($urlview == '')
  429. {
  430. // No $view set in the url, thus for each category link it should be all zeros except it's own
  431. makedefaultviewcode($i);
  432. }
  433. else
  434. {
  435. $view=$urlview;
  436. $view[$i]="1";
  437. }
  438. // if the $urlview has a 1 for this categorie, this means it is expanded and should be desplayed as a
  439. // - instead of a +, the category is no longer clickable and all the links of this category are displayed
  440. $myrow["description"]=text_filter($myrow["description"]);
  441. if ($urlview[$i]=="1")
  442. {
  443. $newurlview=$urlview;
  444. $newurlview[$i]="0";
  445. echo '<tr>';
  446. echo '<table class="data_table">';
  447. echo '<tr>';
  448. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
  449. echo '<a href="'.api_get_self()."?".api_get_cidreq()."&urlview=".Security::remove_XSS($newurlview)."\">";
  450. echo "<img src=../img/remove.gif>&nbsp;&nbsp;".api_htmlentities($myrow["category_title"],ENT_QUOTES,$charset)."</a><br/>&nbsp;&nbsp;&nbsp;".$myrow["description"];
  451. if (is_allowed_to_edit())
  452. {
  453. echo '<th>';
  454. showcategoryadmintools($myrow["id"]);
  455. echo '</th>';
  456. }
  457. echo '</th>';
  458. echo '</tr>';
  459. echo '</table>';
  460. echo showlinksofcategory($myrow["id"]);
  461. echo '</tr>';
  462. }
  463. else
  464. {
  465. echo '<tr>';
  466. echo '<table class="data_table">';
  467. echo '<tr>';
  468. echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;"><a href="'.api_get_self()."?".api_get_cidreq()."&urlview=";
  469. echo is_array($view)?implode('',$view):$view;
  470. echo "\"><img src=../img/add.gif>&nbsp;&nbsp;". api_htmlentities($myrow["category_title"],ENT_QUOTES,$charset);
  471. echo'</a><br />&nbsp;&nbsp;&nbsp;';
  472. echo $myrow["description"];
  473. if (is_allowed_to_edit())
  474. {
  475. echo '<th style="text-align:center;">';
  476. showcategoryadmintools($myrow["id"]);
  477. echo '</th>';
  478. }
  479. echo '</th>';
  480. echo '</tr>';
  481. echo '</table>';
  482. echo '</tr>';
  483. }
  484. // displaying the link of the category
  485. $i++;
  486. }
  487. echo '</table>';
  488. ////////////////////////////////////////////////////////////////////////////
  489. }
  490. Display::display_footer();
  491. ?>