system_announcements.php 12 KB

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  1. <?php // $Id: system_announcements.php 22243 2009-07-20 15:08:31Z ivantcholakov $
  2. /*
  3. ==============================================================================
  4. Dokeos - elearning and course management software
  5. Copyright (c) 2004-2008 Dokeos SPRL
  6. Copyright (c) 2003 Ghent University (UGent)
  7. Copyright (c) 2001 Universite catholique de Louvain (UCL)
  8. Copyright (c) 2005 Bart Mollet, Hogeschool Gent
  9. For a full list of contributors, see "credits.txt".
  10. The full license can be read in "license.txt".
  11. This program is free software; you can redistribute it and/or
  12. modify it under the terms of the GNU General Public License
  13. as published by the Free Software Foundation; either version 2
  14. of the License, or (at your option) any later version.
  15. See the GNU General Public License for more details.
  16. Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
  17. Mail: info@dokeos.com
  18. ==============================================================================
  19. */
  20. /**
  21. ==============================================================================
  22. * This page allows the administrator to manage the system announcements.
  23. * @package dokeos.admin
  24. ==============================================================================
  25. */
  26. /*
  27. ==============================================================================
  28. INIT SECTION
  29. ==============================================================================
  30. */
  31. // name of the language file that needs to be included
  32. $language_file = array ('admin', 'agenda');
  33. // resetting the course id
  34. $cidReset = true;
  35. // including the global dokeos files
  36. include ('../inc/global.inc.php');
  37. // including additional libraries
  38. require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
  39. include (api_get_path(LIBRARY_PATH).'system_announcements.lib.php');
  40. include_once(api_get_path(LIBRARY_PATH).'WCAG/WCAG_rendering.php');
  41. require_once (api_get_path(LIBRARY_PATH).'mail.lib.inc.php');
  42. // setting the section (for the tabs)
  43. $this_section=SECTION_PLATFORM_ADMIN;
  44. $_SESSION['this_section']=$this_section;
  45. // Access restrictions
  46. api_protect_admin_script(true);
  47. // setting breadcrumbs
  48. $interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
  49. $tool_name = get_lang('SystemAnnouncements');
  50. if(empty($_GET['lang']))
  51. {
  52. $_GET['lang']=$_SESSION['user_language_choice'];
  53. }
  54. // displaying the header
  55. Display :: display_header($tool_name);
  56. /*
  57. ==============================================================================
  58. MAIN CODE
  59. ==============================================================================
  60. */
  61. if($_GET['action'] != 'add' && $_GET['action'] != 'edit')
  62. {
  63. echo '<div class="actions">';
  64. echo '<a href="?action=add">'.Display::return_icon('announce_add.gif', get_lang('langAddAnnouncement')).get_lang('langAddAnnouncement').'</a>';
  65. echo '</div>';
  66. }
  67. $form_action = "";
  68. $show_announcement_list = true;
  69. if (isset ($_GET['action']) && $_GET['action'] == 'make_visible')
  70. {
  71. switch ($_GET['person'])
  72. {
  73. case VISIBLE_TEACHER :
  74. SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_TEACHER, true);
  75. break;
  76. case VISIBLE_STUDENT :
  77. SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_STUDENT, true);
  78. break;
  79. case VISIBLE_GUEST :
  80. SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_GUEST, true);
  81. break;
  82. }
  83. }
  84. if (isset ($_GET['action']) && $_GET['action'] == 'make_invisible')
  85. {
  86. switch ($_GET['person'])
  87. {
  88. case VISIBLE_TEACHER :
  89. SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_TEACHER, false);
  90. break;
  91. case VISIBLE_STUDENT :
  92. SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_STUDENT, false);
  93. break;
  94. case VISIBLE_GUEST :
  95. SystemAnnouncementManager :: set_visibility($_GET['id'], VISIBLE_GUEST, false);
  96. break;
  97. }
  98. }
  99. // Form was posted?
  100. if (isset ($_POST['action']))
  101. {
  102. $action_todo = true;
  103. }
  104. // Delete an announcement
  105. if (isset ($_GET['action']) && $_GET['action'] == 'delete')
  106. {
  107. SystemAnnouncementManager :: delete_announcement($_GET['id']);
  108. Display :: display_confirmation_message(get_lang('AnnouncementDeleted'));
  109. }
  110. // Delete selected announcements
  111. if (isset ($_POST['action']) && $_POST['action'] == 'delete_selected')
  112. {
  113. foreach($_POST['id'] as $index => $id)
  114. {
  115. SystemAnnouncementManager :: delete_announcement($id);
  116. }
  117. Display :: display_confirmation_message(get_lang('AnnouncementDeleted'));
  118. $action_todo = false;
  119. }
  120. // Add an announcement
  121. if (isset ($_GET['action']) && $_GET['action'] == 'add')
  122. {
  123. $values['action'] = 'add';
  124. // Set default time window: NOW -> NEXT WEEK
  125. $values['start'] = date('Y-m-d H:i:s');
  126. $values['end'] = date('Y-m-d H:i:s',time() + (7 * 24 * 60 * 60));
  127. $action_todo = true;
  128. }
  129. // Edit an announcement
  130. if (isset ($_GET['action']) && $_GET['action'] == 'edit')
  131. {
  132. $announcement = SystemAnnouncementManager :: get_announcement($_GET['id']);
  133. $values['id'] = $announcement->id;
  134. $values['title'] = $announcement->title;
  135. $values['content'] = $announcement->content;
  136. $values['start'] = $announcement->date_start;
  137. $values['end'] = $announcement->date_end;
  138. $values['visible_teacher'] = $announcement->visible_teacher;
  139. $values['visible_student'] = $announcement->visible_student ;
  140. $values['visible_guest'] = $announcement->visible_guest ;
  141. $values['lang'] = $announcement->lang;
  142. $values['action'] = 'edit';
  143. $action_todo = true;
  144. }
  145. if ($action_todo)
  146. {
  147. if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'add') {
  148. $form_title = get_lang('AddNews');
  149. } elseif (isset($_REQUEST['action']) && $_REQUEST['action'] == 'edit') {
  150. $form_title = get_lang('EditNews');
  151. }
  152. $form = new FormValidator('system_announcement');
  153. $form->addElement('header', '', $form_title);
  154. $form->add_textfield('title', get_lang('Title'));
  155. $language_list = api_get_languages();
  156. $language_list_with_keys = array();
  157. $language_list_with_keys['all'] = get_lang('All');
  158. for($i=0; $i<count($language_list['name']) ; $i++) {
  159. $language_list_with_keys[$language_list['folder'][$i]] = $language_list['name'][$i];
  160. }
  161. $form->addElement('select', 'lang',get_lang('Language'),$language_list_with_keys);
  162. if (api_get_setting('wcag_anysurfer_public_pages')=='true') {
  163. $form->addElement('textarea', 'content', get_lang('Content'));
  164. } else {
  165. $form->add_html_editor('content', get_lang('Content'), true, false, array('ToolbarSet' => 'PortalNews', 'Width' => '100%', 'Height' => '300'));
  166. }
  167. $form->add_timewindow('start','end',get_lang('StartTimeWindow'),get_lang('EndTimeWindow'));
  168. $form->addElement('checkbox', 'visible_teacher', get_lang('Visible'), get_lang('Teacher'));
  169. $form->addElement('checkbox', 'visible_student', null, get_lang('Student'));
  170. $form->addElement('checkbox', 'visible_guest', null, get_lang('Guest'));
  171. $form->addElement('hidden', 'id');
  172. $form->addElement('checkbox', 'send_mail', get_lang('SendMail'));
  173. if (isset($_REQUEST['action']) && $_REQUEST['action']=='add') {
  174. $text=get_lang('AddNews');
  175. $class='add';
  176. $form->addElement('hidden', 'action','add');
  177. } elseif (isset($_REQUEST['action']) && $_REQUEST['action']=='edit') {
  178. $text=get_lang('EditNews');
  179. $class='save';
  180. $form->addElement('hidden', 'action','edit');
  181. }
  182. $form->addElement('style_submit_button', 'submit', $text,'class="'.$class.'"');
  183. if (api_get_setting('wcag_anysurfer_public_pages')=='true')
  184. {
  185. $values['content'] = WCAG_Rendering::HTML_to_text($values['content']);
  186. }
  187. $form->setDefaults($values);
  188. if($form->validate())
  189. {
  190. $values = $form->exportValues();
  191. if( !isset($values['visible_teacher']))
  192. {
  193. $values['visible_teacher'] = false;
  194. }
  195. if( !isset($values['visible_student']))
  196. {
  197. $values['visible_student'] = false;
  198. }
  199. if( !isset($values['visible_guest']))
  200. {
  201. $values['visible_guest'] = false;
  202. }
  203. if($values['lang'] == 'all')
  204. {
  205. $values['lang'] = null;
  206. }
  207. if (api_get_setting('wcag_anysurfer_public_pages')=='true')
  208. {
  209. $values['content'] = WCAG_Rendering::text_to_HTML($values['content']);
  210. }
  211. switch($values['action'])
  212. {
  213. case 'add':
  214. if(SystemAnnouncementManager::add_announcement($values['title'],$values['content'],$values['start'],$values['end'],$values['visible_teacher'],$values['visible_student'],$values['visible_guest'], $values['lang'],$values['send_mail']))
  215. {
  216. Display :: display_confirmation_message(get_lang('AnnouncementAdded'));
  217. }
  218. else
  219. {
  220. $show_announcement_list = false;
  221. $form->display();
  222. }
  223. break;
  224. case 'edit':
  225. if (SystemAnnouncementManager::update_announcement($values['id'],$values['title'],$values['content'],$values['start'],$values['end'],$values['visible_teacher'],$values['visible_student'],$values['visible_guest'], $values['lang'],$values['send_mail']))
  226. {
  227. Display :: display_confirmation_message(get_lang('AnnouncementUpdated'));
  228. }
  229. else
  230. {
  231. $show_announcement_list = false;
  232. $form->display();
  233. }
  234. break;
  235. default:
  236. break;
  237. }
  238. $show_announcement_list = true;
  239. }
  240. else
  241. {
  242. if (api_get_setting('wcag_anysurfer_public_pages')=='true')
  243. {
  244. echo('<div class="WCAG-form">');
  245. }
  246. $form->display();
  247. if (api_get_setting('wcag_anysurfer_public_pages')=='true')
  248. {
  249. echo('</div>');
  250. }
  251. $show_announcement_list = false;
  252. }
  253. }
  254. if ($show_announcement_list)
  255. {
  256. $announcements = SystemAnnouncementManager :: get_all_announcements();
  257. $announcement_data = array ();
  258. foreach ($announcements as $index => $announcement)
  259. {
  260. $row = array ();
  261. $row[] = $announcement->id;
  262. $row[] = Display::return_icon(($announcement->visible ? 'accept.png' : 'exclamation.png'), ($announcement->visible ? get_lang('AnnouncementAvailable') : get_lang('AnnouncementNotAvailable')));
  263. $row[] = $announcement->date_start;
  264. $row[] = $announcement->date_end;
  265. $row[] = "<a href=\"?id=".$announcement->id."&amp;person=".VISIBLE_TEACHER."&amp;action=". ($announcement->visible_teacher ? 'make_invisible' : 'make_visible')."\">".Display::return_icon(($announcement->visible_teacher ? 'visible.gif' : 'invisible.gif'), get_lang('show_hide'))."</a>";
  266. $row[] = "<a href=\"?id=".$announcement->id."&amp;person=".VISIBLE_STUDENT."&amp;action=". ($announcement->visible_student ? 'make_invisible' : 'make_visible')."\">".Display::return_icon(($announcement->visible_student ? 'visible.gif' : 'invisible.gif'), get_lang('show_hide'))."</a>";
  267. $row[] = "<a href=\"?id=".$announcement->id."&amp;person=".VISIBLE_GUEST."&amp;action=". ($announcement->visible_guest ? 'make_invisible' : 'make_visible')."\">".Display::return_icon(($announcement->visible_guest ? 'visible.gif' : 'invisible.gif'), get_lang('show_hide'))."</a>";
  268. $row[] = $announcement->title;
  269. $row[] = $announcement->lang;
  270. $row[] = "<a href=\"?action=edit&id=".$announcement->id."\">".Display::return_icon('edit.gif', get_lang('Edit'))."</a> <a href=\"?action=delete&id=".$announcement->id."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset))."')) return false;\">".Display::return_icon('delete.gif', get_lang('Delete'))."</a>";
  271. $announcement_data[] = $row;
  272. }
  273. $table = new SortableTableFromArray($announcement_data);
  274. $table->set_header(0,'',false);
  275. $table->set_header(1,get_lang('Active'));
  276. $table->set_header(2,get_lang('StartTimeWindow'));
  277. $table->set_header(3,get_lang('EndTimeWindow'));
  278. $table->set_header(4,get_lang('Teacher'));
  279. $table->set_header(5,get_lang('Student'));
  280. $table->set_header(6,get_lang('Guest'));
  281. $table->set_header(7,get_lang('Title'));
  282. $table->set_header(8,get_lang('Language'));
  283. $table->set_header(9,get_lang('Modify'), false);
  284. $form_actions = array();
  285. $form_actions['delete_selected'] = get_lang('Delete');
  286. $table->set_form_actions($form_actions);
  287. $table->display();
  288. }
  289. /*
  290. ==============================================================================
  291. FOOTER
  292. ==============================================================================
  293. */
  294. Display :: display_footer();
  295. ?>