course_category.php 12 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * @package chamilo.admin
  5. * @todo use formvalidator for the form
  6. */
  7. /**
  8. * Code
  9. */
  10. // name of the language file that needs to be included
  11. $language_file='admin';
  12. $cidReset=true;
  13. require('../inc/global.inc.php');
  14. $this_section=SECTION_PLATFORM_ADMIN;
  15. require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
  16. api_protect_admin_script();
  17. $category=$_GET['category'];
  18. $action=$_GET['action'];
  19. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  20. $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY);
  21. $errorMsg='';
  22. if(!empty($action))
  23. {
  24. if($action == 'delete')
  25. {
  26. deleteNode($_GET['id']);
  27. header('Location: '.api_get_self().'?category='.Security::remove_XSS($category));
  28. exit();
  29. }
  30. elseif(($action == 'add' || $action == 'edit') && $_POST['formSent'])
  31. {
  32. $_POST['categoryCode']=trim($_POST['categoryCode']);
  33. $_POST['categoryName']=trim($_POST['categoryName']);
  34. if(!empty($_POST['categoryCode']) && !empty($_POST['categoryName']))
  35. {
  36. if($action == 'add')
  37. {
  38. $ret=addNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$category);
  39. }
  40. else
  41. {
  42. $ret=editNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$_GET['id']);
  43. }
  44. if($ret)
  45. {
  46. $action='';
  47. }
  48. else
  49. {
  50. $errorMsg=get_lang('CatCodeAlreadyUsed');
  51. }
  52. }
  53. else
  54. {
  55. $errorMsg=get_lang('PleaseEnterCategoryInfo');
  56. }
  57. }
  58. elseif($action == 'edit')
  59. {
  60. $categoryCode=Database::escape_string($_GET['id']);
  61. $result=Database::query("SELECT name,auth_course_child FROM $tbl_category WHERE code='$categoryCode'");
  62. list($categoryName,$canHaveCourses)=Database::fetch_row($result);
  63. $canHaveCourses=($canHaveCourses == 'FALSE')?0:1;
  64. }
  65. elseif($action == 'moveUp')
  66. {
  67. moveNodeUp($_GET['id'],$_GET['tree_pos'],$category);
  68. header('Location: '.api_get_self().'?category='.Security::remove_XSS($category));
  69. exit();
  70. }
  71. }
  72. $tool_name=get_lang('AdminCategories');
  73. $interbreadcrumb[]=array('url' => 'index.php',"name" => get_lang('PlatformAdmin'));
  74. //$interbreadcrumb[]=array('url' => 'configure_homepage.php',"name" => get_lang('ConfigureHomePage'));
  75. Display::display_header($tool_name);
  76. //api_display_tool_title($tool_name);
  77. if(!empty($category))
  78. {
  79. $myquery = "SELECT * FROM $tbl_category WHERE code ='$category'";
  80. $result = Database::query($myquery);
  81. if(Database::num_rows($result)==0)
  82. {
  83. $category = '';
  84. }
  85. }
  86. if(empty($action))
  87. {
  88. $myquery="SELECT t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count,COUNT(DISTINCT t3.code) AS nbr_courses FROM $tbl_category t1 LEFT JOIN $tbl_category t2 ON t1.code=t2.parent_id LEFT JOIN $tbl_course t3 ON t3.category_code=t1.code WHERE t1.parent_id ".(empty($category)?"IS NULL":"='$category'")." GROUP BY t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count ORDER BY t1.tree_pos";
  89. $result=Database::query($myquery);
  90. $Categories=Database::store_result($result);
  91. }
  92. if($action == 'add' || $action == 'edit')
  93. {
  94. ?>
  95. <div class="actions">
  96. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>"><?php echo Display::return_icon('folder_up.png',get_lang("Back"),'','32'); if(!empty($category)) echo ' ('.Security::remove_XSS($category).')'; ?></a>
  97. </div>
  98. <?php
  99. $form_title = ($action == 'add')?get_lang('AddACategory'):get_lang('EditNode');
  100. if(!empty($category))
  101. {
  102. $form_title .= ' '.get_lang('Into').' '.Security::remove_XSS($category);
  103. }
  104. $form = new FormValidator('course_category');
  105. $form->addElement('header', '', $form_title);
  106. $form->display();
  107. ?>
  108. <form method="post" action="<?php echo api_get_self(); ?>?action=<?php echo Security::remove_XSS($action); ?>&category=<?php echo Security::remove_XSS($category); ?>&amp;id=<?php echo Security::remove_XSS($_GET['id']); ?>">
  109. <input type="hidden" name="formSent" value="1" />
  110. <table border="0" cellpadding="5" cellspacing="0">
  111. <?php
  112. if(!empty($errorMsg))
  113. {
  114. ?>
  115. <tr>
  116. <td colspan="2">
  117. <?php
  118. Display::display_normal_message($errorMsg); //main API
  119. ?>
  120. </td>
  121. </tr>
  122. <?php
  123. }
  124. ?>
  125. <tr>
  126. <td nowrap="nowrap"><?php echo get_lang("CategoryCode"); ?> :</td>
  127. <td><input type="text" name="categoryCode" size="20" maxlength="20" value="<?php echo api_htmlentities(stripslashes($categoryCode),ENT_QUOTES,$charset); ?>" /></td>
  128. </tr>
  129. <tr>
  130. <td nowrap="nowrap"><?php echo get_lang("CategoryName"); ?> :</td>
  131. <td><input type="text" name="categoryName" size="20" maxlength="100" value="<?php echo api_htmlentities(stripslashes($categoryName),ENT_QUOTES,$charset); ?>" /></td>
  132. </tr>
  133. <tr>
  134. <td nowrap="nowrap"><?php echo get_lang("AllowCoursesInCategory"); ?></td>
  135. <td>
  136. <input class="checkbox" type="radio" name="canHaveCourses" value="0" <?php if(($action == 'edit' && !$canHaveCourses) || ($action == 'add' && $formSent && !$canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("No"); ?>
  137. <input class="checkbox" type="radio" name="canHaveCourses" value="1" <?php if(($action == 'edit' && $canHaveCourses) || ($action == 'add' && !$formSent || $canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("Yes"); ?>
  138. </td>
  139. </tr>
  140. <tr>
  141. <td>&nbsp;</td>
  142. <?php
  143. if(isset($_GET['id']) && !empty($_GET['id'])) {
  144. $class="save";
  145. $text=get_lang('CategoryMod');
  146. } else {
  147. $class="add";
  148. $text=get_lang('AddCategory');
  149. }
  150. ?>
  151. <td><button type="submit" class="<?php echo $class; ?>" value="<?php echo $text; ?>" ><?php echo $text; ?></button></td>
  152. </tr>
  153. </table>
  154. </form>
  155. <?php
  156. }
  157. else
  158. {
  159. ?>
  160. <div class="actions">
  161. <?php
  162. if(!empty($category) && empty($action))
  163. {
  164. $myquery = "SELECT parent_id FROM $tbl_category WHERE code='$category'";
  165. $result=Database::query($myquery);
  166. $parent_id = 0;
  167. if(Database::num_rows($result)>0){
  168. $parent_id=Database::fetch_array($result);
  169. }
  170. $parent_id['parent_id']?$link=' ('.$parent_id['parent_id'].')':$link='';
  171. ?>
  172. <a href="<?php echo api_get_self(); ?>?category=<?php echo $parent_id['parent_id']; ?>"><?php echo Display::return_icon('folder_up.png',get_lang("Back"),'','32'); if(!empty($parent_id)) echo $link ?></a>
  173. <?php
  174. }
  175. ?>
  176. <?php
  177. if(!empty($category)){
  178. $CategoryInto=' '.get_lang('Into').' '.Security::remove_XSS($category);
  179. }
  180. else{
  181. $CategoryInto='';
  182. }
  183. ?>
  184. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=add"><?php echo Display::return_icon('new_folder.png',get_lang("AddACategory").$CategoryInto,'','32'); ?></a>
  185. </div>
  186. <ul>
  187. <?php
  188. if(count($Categories)>0)
  189. {
  190. foreach($Categories as $enreg)
  191. {
  192. ?>
  193. <li>
  194. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('folder_document.gif', get_lang('OpenNode')); ?></a>
  195. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=edit&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('edit.gif', get_lang('EditNode')); ?></a>
  196. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=delete&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)); ?>')) return false;"><?php Display::display_icon('delete.gif', get_lang('DeleteNode'));?></a>
  197. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=moveUp&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>&amp;tree_pos=<?php echo $enreg['tree_pos']; ?>"><?php Display::display_icon('up.gif', get_lang('UpInSameLevel'));?></a>
  198. <?php echo $enreg['name']; ?>
  199. (<?php echo $enreg['children_count']; ?> <?php echo get_lang('CategoriesNumber'); ?> - <?php echo $enreg['nbr_courses']; ?> <?php echo get_lang('Courses'); ?>)
  200. </li>
  201. <?php
  202. }
  203. unset($Categories);
  204. }
  205. else
  206. {
  207. echo get_lang("NoCategories");
  208. }
  209. ?>
  210. </ul>
  211. <?php
  212. }
  213. /*
  214. ==============================================================================
  215. FOOTER
  216. ==============================================================================
  217. */
  218. Display::display_footer();
  219. /******** Functions ********/
  220. function deleteNode($node)
  221. {
  222. global $tbl_category, $tbl_course;
  223. $node = Database::escape_string($node);
  224. $result=Database::query("SELECT parent_id,tree_pos FROM $tbl_category WHERE code='$node'");
  225. if($row=Database::fetch_array($result))
  226. {
  227. if(!empty($row['parent_id']))
  228. {
  229. Database::query("UPDATE $tbl_course SET category_code='".$row['parent_id']."' WHERE category_code='$node'");
  230. Database::query("UPDATE $tbl_category SET parent_id='".$row['parent_id']."' WHERE parent_id='$node'");
  231. }
  232. else
  233. {
  234. Database::query("UPDATE $tbl_course SET category_code='' WHERE category_code='$node'");
  235. Database::query("UPDATE $tbl_category SET parent_id=NULL WHERE parent_id='$node'");
  236. }
  237. Database::query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '".$row['tree_pos']."'");
  238. Database::query("DELETE FROM $tbl_category WHERE code='$node'");
  239. if(!empty($row['parent_id']))
  240. {
  241. updateFils($row['parent_id']);
  242. }
  243. }
  244. }
  245. function addNode($code,$name,$canHaveCourses,$parent_id)
  246. {
  247. global $tbl_category;
  248. $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
  249. $code = Database::escape_string($code);
  250. $name = Database::escape_string($name);
  251. $parent_id = Database::escape_string($parent_id);
  252. $result=Database::query("SELECT 1 FROM $tbl_category WHERE code='$code'");
  253. if(Database::num_rows($result))
  254. {
  255. return false;
  256. }
  257. $result=Database::query("SELECT MAX(tree_pos) AS maxTreePos FROM $tbl_category");
  258. $row=Database::fetch_array($result);
  259. $tree_pos=$row['maxTreePos']+1;
  260. Database::query("INSERT INTO $tbl_category(name,code,parent_id,tree_pos,children_count,auth_course_child) VALUES('$name','$code',".(empty($parent_id)?"NULL":"'$parent_id'").",'$tree_pos','0','$canHaveCourses')");
  261. updateFils($parent_id);
  262. return true;
  263. }
  264. function editNode($code,$name,$canHaveCourses,$old_code)
  265. {
  266. global $tbl_category;
  267. $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
  268. $code = Database::escape_string($code);
  269. $name = Database::escape_string($name);
  270. $old_code = Database::escape_string($old_code);
  271. if($code != $old_code)
  272. {
  273. $result=Database::query("SELECT 1 FROM $tbl_category WHERE code='$code'");
  274. if(Database::num_rows($result))
  275. {
  276. return false;
  277. }
  278. }
  279. Database::query("UPDATE $tbl_category SET name='$name',code='$code',auth_course_child='$canHaveCourses' WHERE code='$old_code'");
  280. return true;
  281. }
  282. function moveNodeUp($code,$tree_pos,$parent_id)
  283. {
  284. global $tbl_category;
  285. $code = Database::escape_string($code);
  286. $tree_pos = Database::escape_string($tree_pos);
  287. $parent_id = Database::escape_string($parent_id);
  288. $result=Database::query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos<'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1");
  289. if(!$row=Database::fetch_array($result))
  290. {
  291. $result=Database::query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos>'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1");
  292. if(!$row=Database::fetch_array($result))
  293. {
  294. return false;
  295. }
  296. }
  297. Database::query("UPDATE $tbl_category SET tree_pos='".$row['tree_pos']."' WHERE code='$code'");
  298. Database::query("UPDATE $tbl_category SET tree_pos='$tree_pos' WHERE code='$row[code]'");
  299. }
  300. function updateFils($category)
  301. {
  302. global $tbl_category;
  303. $category = Database::escape_string($category);
  304. $result=Database::query("SELECT parent_id FROM $tbl_category WHERE code='$category'");
  305. if($row=Database::fetch_array($result))
  306. {
  307. updateFils($row['parent_id']);
  308. }
  309. $children_count=compterFils($category,0)-1;
  310. Database::query("UPDATE $tbl_category SET children_count='$children_count' WHERE code='$category'");
  311. }
  312. function compterFils($pere,$cpt)
  313. {
  314. global $tbl_category;
  315. $pere = Database::escape_string($pere);
  316. $result=Database::query("SELECT code FROM $tbl_category WHERE parent_id='$pere'");
  317. while($row=Database::fetch_array($result))
  318. {
  319. $cpt=compterFils($row['code'],$cpt);
  320. }
  321. return ($cpt+1);
  322. }
  323. ?>