Marina Glancy
112 lines
4.3 KiB
PHP
112 lines
4.3 KiB
PHP
<?php
|
|
|
|
// This file is part of Moodle - http://moodle.org/
|
|
//
|
|
// Moodle is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Moodle is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
/**
|
|
* This filter provides automatic linking to
|
|
* activities when its name (title) is found inside every Moodle text
|
|
*
|
|
* @package filter
|
|
* @subpackage activitynames
|
|
* @copyright 2004 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
defined('MOODLE_INTERNAL') || die();
|
|
|
|
/**
|
|
* Activity name filtering
|
|
*/
|
|
class filter_activitynames extends moodle_text_filter {
|
|
// Trivial-cache - keyed on $cachedcourseid
|
|
static $activitylist = null;
|
|
static $cachedcourseid;
|
|
|
|
function filter($text, array $options = array()) {
|
|
if (!$courseid = get_courseid_from_context($this->context)) {
|
|
return $text;
|
|
}
|
|
|
|
// Initialise/invalidate our trivial cache if dealing with a different course
|
|
if (!isset(self::$cachedcourseid) || self::$cachedcourseid !== (int)$courseid) {
|
|
self::$activitylist = null;
|
|
}
|
|
self::$cachedcourseid = (int)$courseid;
|
|
|
|
/// It may be cached
|
|
|
|
if (is_null(self::$activitylist)) {
|
|
self::$activitylist = array();
|
|
|
|
$modinfo = get_fast_modinfo($courseid);
|
|
if (!empty($modinfo->cms)) {
|
|
self::$activitylist = array(); /// We will store all the activities here
|
|
|
|
//Sort modinfo by name length
|
|
$sortedactivities = fullclone($modinfo->cms);
|
|
usort($sortedactivities, 'filter_activitynames_comparemodulenamesbylength');
|
|
|
|
foreach ($sortedactivities as $cm) {
|
|
//Exclude labels, hidden activities and activities for group members only
|
|
if ($cm->visible and empty($cm->groupmembersonly) and $cm->has_view()) {
|
|
$title = s(trim(strip_tags($cm->name)));
|
|
$currentname = trim($cm->name);
|
|
$entitisedname = s($currentname);
|
|
/// Avoid empty or unlinkable activity names
|
|
if (!empty($title)) {
|
|
$href_tag_begin = html_writer::start_tag('a',
|
|
array('class' => 'autolink', 'title' => $title,
|
|
'href' => $cm->get_url()));
|
|
self::$activitylist[$cm->id] = new filterobject($currentname, $href_tag_begin, '</a>', false, true);
|
|
if ($currentname != $entitisedname) { /// If name has some entity (& " < >) add that filter too. MDL-17545
|
|
self::$activitylist[$cm->id.'-e'] = new filterobject($entitisedname, $href_tag_begin, '</a>', false, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$filterslist = array();
|
|
if (self::$activitylist) {
|
|
$cmid = $this->context->instanceid;
|
|
if ($this->context->contextlevel == CONTEXT_MODULE && isset(self::$activitylist[$cmid])) {
|
|
// remove filterobjects for the current module
|
|
$filterslist = array_diff_key(self::$activitylist, array($cmid => 1, $cmid.'-e' => 1));
|
|
} else {
|
|
$filterslist = self::$activitylist;
|
|
}
|
|
}
|
|
|
|
if ($filterslist) {
|
|
return $text = filter_phrases($text, $filterslist);
|
|
} else {
|
|
return $text;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//This function is used to order module names from longer to shorter
|
|
function filter_activitynames_comparemodulenamesbylength($a, $b) {
|
|
if (strlen($a->name) == strlen($b->name)) {
|
|
return 0;
|
|
}
|
|
return (strlen($a->name) < strlen($b->name)) ? 1 : -1;
|
|
}
|
|
|