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<?PHP // $Id: filter.php,v 1.12 2005/05/06 17:57:08 stronk7 Exp $
//This function provides automatic linking to
//wiki pages when its page title is found inside every Moodle text
//It's based in the glosssary filter by Williams Castillo
//Modifications by mchurch. Enjoy! :-)
require_once($CFG->dirroot.'/mod/wiki/lib.php');
function wiki_filter($courseid, $text) {
global $CFG;
static $nothingtodo;
static $wikipagelist;
if (!empty($nothingtodo)) { // We've been here in this page already
return $text;
}
if (empty($courseid)) {
$courseid = SITEID;
}
/// Create a list of all the wikis to search for. It may be cached already.
if (empty($wikipagelist)) {
/// Get all wikis for this course.
if (!$wikis = wiki_get_course_wikis($courseid)) {
$nothingtodo = true;
return $text;
}
$wikipagelist = array();
/// Walk through each wiki, and get entries.
foreach ($wikis as $wiki) {
if ($wiki_entries = wiki_get_entries($wiki)) {
/// Walk through each entry and get the pages.
foreach ($wiki_entries as $wiki_entry) {
if ($wiki_pages = get_records('wiki_pages', 'wiki', $wiki_entry->id, 'pagename, version DESC')) {
/// Walk through each page and filter.
$wikientries = array();
foreach ($wiki_pages as $wiki_page) {
if (!in_array($wiki_page->pagename, $wikientries)) {
$startlink = '<a class="wiki autolink" title="Wiki" href="'
.$CFG->wwwroot.'/mod/wiki/view.php?wid='.$wiki->id
.'&userid='.$wiki_entry->userid
.'&groupid='.$wiki_entry->groupid
.'&page='.$wiki_page->pagename.'">';
$wikipagelist[] = new filterobject($wiki_page->pagename, $startlink, '</a>', false, true);
$wikientries[] = $wiki_page->pagename;
}
}
}
}
}
}
}
return filter_phrases($text, $wikipagelist);
}
?>
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