Petr Skoda
86 lines
3.2 KiB
PHP
86 lines
3.2 KiB
PHP
<?php
|
|
//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.
|
|
class activitynames_filter extends moodle_text_filter {
|
|
// Trivial-cache - keyed on $cachedcourseid
|
|
static $activitylist = null;
|
|
static $cachedcourseid;
|
|
|
|
function filter($text) {
|
|
global $CFG, $COURSE, $DB;
|
|
|
|
if (empty($this->courseid)) {
|
|
$this->courseid = SITEID;
|
|
}
|
|
|
|
// Initialise/invalidate our trivial cache if dealing with a different course
|
|
if (!isset($this->cachedcourseid) || $this->cachedcourseid !== (int)$this->courseid) {
|
|
$this->activitylist = null;
|
|
}
|
|
$this->cachedcourseid = (int)$this->courseid;
|
|
|
|
/// It may be cached
|
|
|
|
if (is_null($this->activitylist)) {
|
|
$this->activitylist = array();
|
|
|
|
if ($COURSE->id == $this->courseid) {
|
|
$course = $COURSE;
|
|
} else {
|
|
$course = $DB->get_record("course", array("id"=>$this->courseid));
|
|
}
|
|
|
|
if (!isset($course->modinfo)) {
|
|
return $text;
|
|
}
|
|
|
|
/// Casting $course->modinfo to string prevents one notice when the field is null
|
|
$modinfo = unserialize((string)$course->modinfo);
|
|
|
|
if (!empty($modinfo)) {
|
|
|
|
$this->activitylist = array(); /// We will store all the activities here
|
|
|
|
//Sort modinfo by name length
|
|
usort($modinfo, 'comparemodulenamesbylength');
|
|
|
|
foreach ($modinfo as $activity) {
|
|
//Exclude labels, hidden activities and activities for group members only
|
|
if ($activity->mod != "label" and $activity->visible and empty($activity->groupmembersonly)) {
|
|
$title = s(trim(strip_tags($activity->name)));
|
|
$currentname = trim($activity->name);
|
|
$entitisedname = s($currentname);
|
|
/// Avoid empty or unlinkable activity names
|
|
if (!empty($title)) {
|
|
$href_tag_begin = "<a class=\"autolink\" title=\"$title\" href=\"$CFG->wwwroot/mod/$activity->mod/view.php?id=$activity->cm\">";
|
|
$this->activitylist[] = new filterobject($currentname, $href_tag_begin, '</a>', false, true);
|
|
if ($currentname != $entitisedname) { /// If name has some entity (& " < >) add that filter too. MDL-17545
|
|
$this->activitylist[] = new filterobject($entitisedname, $href_tag_begin, '</a>', false, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->activitylist) {
|
|
return $text = filter_phrases ($text, $this->activitylist);
|
|
} else {
|
|
return $text;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//This function is used to order module names from longer to shorter
|
|
function comparemodulenamesbylength($a, $b) {
|
|
if (strlen($a->name) == strlen($b->name)) {
|
|
return 0;
|
|
}
|
|
return (strlen($a->name) < strlen($b->name)) ? 1 : -1;
|
|
}
|
|
|