} else {
$html = Display::return_message(get_lang('NoAnnouncements'), 'warning');
}
$content = $html;
} else {
$content .= Display::grid_html('announcements');
}
break;
case 'delete':
/* Delete announcement */
$id = intval($_GET['id']);
if ($sessionId != 0 && api_is_allowed_to_session_edit(false, true) == false) {
api_not_allowed();
}
if (!api_is_course_coach() || api_is_element_in_the_session(TOOL_ANNOUNCEMENT, $id)) {
AnnouncementManager::delete_announcement($_course, $id);
Display::addFlash(Display::return_message(get_lang('AnnouncementDeleted')));
}
header('Location: ' . $homeUrl);
exit;
break;
case 'delete_all':
if (api_is_allowed_to_edit()) {
AnnouncementManager::delete_all_announcements($_course);
Display::addFlash(Display::return_message(get_lang('AnnouncementDeletedAll')));
header('Location: ' . $homeUrl);
exit;
}
break;
case 'delete_attachment':
$id = $_GET['id_attach'];
/* For licensing terms, see /license.txt */
/**
* Responses to AJAX calls
*/
require_once '../global.inc.php';
$action = isset($_REQUEST['a']) ? $_REQUEST['a'] : null;
$isAllowedToEdit = api_is_allowed_to_edit();
$courseInfo = api_get_course_info();
switch ($action) {
case 'delete_item':
if ($isAllowedToEdit) {
if (empty($_REQUEST['id'])) {
return false;
}
if (api_get_session_id() != 0 && api_is_allowed_to_session_edit(false, true) == false) {
return false;
}
$list = explode(',', $_REQUEST['id']);
foreach ($list as $itemId) {
if (!api_is_course_coach() || api_is_element_in_the_session(TOOL_ANNOUNCEMENT, $itemId)) {
AnnouncementManager::delete_announcement($courseInfo, $itemId);
}
}
}
break;
default:
echo '';
break;
}
exit;
