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<?php // $Id: filter.php,v 1.16 2006/01/11 15:11:00 stronk7 Exp $
//This function provides automatic linking to
//activities when its name (title) is found inside every Moodle text
//It's based in the glosssary filter by Williams Castillo
//Modifications by stronk7.
function activitynames_filter($courseid, $text) {
global $CFG;
static $activitylist;
if (empty($courseid)) {
$courseid = SITEID;
}
/// It may be cached
if (empty($activitylist)) {
$course = get_record("course","id",$courseid);
$modinfo = unserialize($course->modinfo);
if (!empty($modinfo)) {
$activitylist = array(); /// We will store all the activities here
//Sort modinfo by name length
usort($modinfo,'comparemodulenamesbylength');
foreach ($modinfo as $activity) {
//Exclude labels and hidden items
if ($activity->mod != "label" && $activity->visible) {
$title = trim(strip_tags(urldecode($activity->name)));
/// Avoid empty or unlinkable activity names
if (!empty($title)) {
$title = str_replace('"', "'", $title);
$href_tag_begin = "<a class=\"autolink\" title=\"$title\" href=\"$CFG->wwwroot/mod/$activity->mod/view.php?id=$activity->cm\" target=\"$CFG->framename\">";
$currentname = urldecode($activity->name);
if ($currentname = trim($currentname)) {
$activitylist[] = new filterobject($currentname, $href_tag_begin, '</a>', false, true);
}
}
}
}
}
}
return $text = filter_phrases ($text, $activitylist);
}
//This function is used to order module names from longer to shorter
function comparemodulenamesbylength($a, $b) {
if (strlen($a->name) == strlen($b->name)) {
return 0;
}
return (strlen($a->name) < strlen($b->name)) ? 1 : -1;
}
?>
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