function data_filter($courseid, $text)
{
global $CFG;
static $nothingtodo;
static $contentlist;
if (!empty($nothingtodo)) {
// We've been here in this page already
return $text;
}
// if we don't have a courseid, we can't run the query, so
if (empty($courseid)) {
return $text;
}
// Create a list of all the resources to search for. It may be cached already.
if (empty($contentlist)) {
// We look for text field contents only, and only if the field has
// autolink enabled (param1).
$sql = 'SELECT dc.id AS contentid, ' . 'dr.id AS recordid, ' . 'dc.content AS content, ' . 'd.id AS dataid ' . 'FROM ' . $CFG->prefix . 'data d, ' . $CFG->prefix . 'data_fields df, ' . $CFG->prefix . 'data_records dr, ' . $CFG->prefix . 'data_content dc ' . "WHERE (d.course = '{$courseid}' or d.course = '" . SITEID . "')" . 'AND d.id = df.dataid ' . 'AND df.id = dc.fieldid ' . 'AND d.id = dr.dataid ' . 'AND dr.id = dc.recordid ' . "AND df.type = 'text' " . "AND " . sql_compare_text('df.param1', 1) . " = '1'";
if (!($datacontents = get_records_sql($sql))) {
return $text;
}
$contentlist = array();
foreach ($datacontents as $datacontent) {
$currentcontent = trim($datacontent->content);
$strippedcontent = strip_tags($currentcontent);
if (!empty($strippedcontent)) {
$contentlist[] = new filterobject($currentcontent, '<a class="data autolink" title="' . $strippedcontent . '" href="' . $CFG->wwwroot . '/mod/data/view.php?d=' . $datacontent->dataid . '&rid=' . $datacontent->recordid . '" ' . $CFG->frametarget . '>', '</a>', false, true);
}
}
// End foreach
}
return filter_phrases($text, $contentlist);
// Look for all these links in the text
}
function filter($text, array $options = array())
{
static $words;
global $CFG;
if (!isset($CFG->filter_censor_badwords)) {
set_config('filter_censor_badwords', '');
}
if (empty($words)) {
$words = array();
if (empty($CFG->filter_censor_badwords)) {
$badwords = explode(',', get_string('badwords', 'filter_censor'));
} else {
$badwords = explode(',', $CFG->filter_censor_badwords);
}
foreach ($badwords as $badword) {
$badword = trim($badword);
if ($this->_canseecensor()) {
$words[] = new filterobject($badword, '<span class="censoredtexthighlight" title="' . $badword . '">', '</span>', false, false, $badword);
} else {
$words[] = new filterobject($badword, '<span class="censoredtext" title="' . $badword . '">', '</span>', false, false, str_pad('', strlen($badword), '*'));
}
}
}
return filter_phrases($text, $words);
}
function activitynames_filter($courseid, $text)
{
global $CFG, $COURSE;
// Trivial-cache - keyed on $cachedcourseid
static $activitylist = null;
static $cachedcourseid;
if (empty($courseid)) {
$courseid = SITEID;
}
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset($cachedcourseid) || $cachedcourseid !== (int) $courseid) {
$activitylist = null;
}
$cachedcourseid = (int) $courseid;
/// It may be cached
if (is_null($activitylist)) {
$activitylist = array();
if ($COURSE->id == $courseid) {
$course = $COURSE;
} else {
$course = get_record("course", "id", $courseid);
}
if (!isset($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)) {
$activitylist = array();
/// We will store all the activities here
//Sort modinfo by name length
usort($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)) {
$title = s(trim(strip_tags(urldecode($activity->name))));
$currentname = trim(urldecode($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={$activity->cm}\" {$CFG->frametarget}>";
$activitylist[] = new filterobject($currentname, $href_tag_begin, '</a>', false, true);
if ($currentname != $entitisedname) {
/// If name has some entity (& " < >) add that filter too. MDL-17545
$activitylist[] = new filterobject($entitisedname, $href_tag_begin, '</a>', false, true);
}
}
}
}
}
}
if ($activitylist) {
return $text = filter_phrases($text, $activitylist);
} else {
return $text;
}
}
function filter($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 $text;
}
}
function wiki_filter($courseid, $text)
{
global $CFG, $DB;
// Trivial-cache - keyed on $cachedcourseid
static $nothingtodo;
static $wikipagelist;
static $cachedcourseid;
if (empty($courseid)) {
$courseid = SITEID;
}
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset($cachedcourseid) || $cachedcourseid !== (int) $courseid) {
$wikipagelist = array();
$nothingtodo = false;
}
$cachedcourseid = (int) $courseid;
if (!empty($nothingtodo)) {
// We've been here in this page already
return $text;
}
/// Create a list of all the wikis to search for. It may be cached already.
if (empty($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 = $DB->get_records('wiki_pages', array('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, $wikipagelist);
}
function resource_filter($courseid, $text)
{
global $CFG;
// Trivial-cache - keyed on $cachedcourseid
static $nothingtodo;
static $resourcelist;
static $cachedcourseid;
// if we don't have a courseid, we can't run the query, so
if (empty($courseid)) {
return $text;
}
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset($cachedcourseid) || $cachedcourseid !== (int) $courseid) {
$resourcelist = array();
$nothingtodo = false;
}
$cachedcourseid = (int) $courseid;
if ($nothingtodo === true) {
return $text;
}
/// Create a list of all the resources to search for. It may be cached already.
if (empty($resourcelist)) {
/* get all non-hidden resources from this course
* sorted from long to short so longer ones can be
* linked first. And order by section so we try to
* link to the top resource first.
*/
$resource_sql = "SELECT r.id, r.name \n FROM {$CFG->prefix}resource r, \n {$CFG->prefix}course_modules cm, \n {$CFG->prefix}modules m\n WHERE m.name = 'resource' AND\n cm.module = m.id AND\n cm.visible = 1 AND\n r.id = cm.instance AND\n cm.course = {$courseid}\n ORDER BY " . sql_length('r.name') . " DESC, cm.section ASC";
if (!($resources = get_records_sql($resource_sql))) {
$nothingtodo = true;
return $text;
}
$resourcelist = array();
foreach ($resources as $resource) {
$currentname = trim($resource->name);
$entitisedname = s($currentname);
$strippedname = strip_tags($currentname);
/// Avoid empty or unlinkable resource names
if (!empty($strippedname)) {
$resourcelist[] = new filterobject($currentname, '<a class="resource autolink" title="' . $strippedname . '" href="' . $CFG->wwwroot . '/mod/resource/view.php?r=' . $resource->id . '" ' . $CFG->frametarget . '>', '</a>', false, true);
if ($currentname != $entitisedname) {
/// If name has some entity (& " < >) add that filter too. MDL-17518
$resourcelist[] = new filterobject($entitisedname, '<a class="resource autolink" title="' . $strippedname . '" href="' . $CFG->wwwroot . '/mod/resource/view.php?r=' . $resource->id . '" ' . $CFG->frametarget . '>', '</a>', false, true);
}
}
}
}
return filter_phrases($text, $resourcelist);
// Look for all these links in the text
}
function resource_filter($courseid, $text)
{
global $CFG;
// Trivial-cache - keyed on $cachedcourseid
static $nothingtodo;
static $resourcelist;
static $cachedcourseid;
// if we don't have a courseid, we can't run the query, so
if (empty($courseid)) {
return $text;
}
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset($cachedcourseid) || $cachedcourseid !== (int) $courseid) {
$resourcelist = array();
$nothingtodo = false;
}
$cachedcourseid = (int) $courseid;
if ($nothingtodo === true) {
return $text;
}
/// Create a list of all the resources to search for. It may be cached already.
if (empty($resourcelist)) {
/// The resources are sorted from long to short so longer ones can be linked first.
if (!($resources = get_records('resource', 'course', $courseid, 'CHAR_LENGTH(name) DESC', 'id,name'))) {
$nothingtodo = true;
return $text;
}
$resourcelist = array();
foreach ($resources as $resource) {
$currentname = trim($resource->name);
$entitisedname = s($currentname);
$strippedname = strip_tags($currentname);
/// Avoid empty or unlinkable resource names
if (!empty($strippedname)) {
$resourcelist[] = new filterobject($currentname, '<a class="resource autolink" title="' . $strippedname . '" href="' . $CFG->wwwroot . '/mod/resource/view.php?r=' . $resource->id . '" ' . $CFG->frametarget . '>', '</a>', false, true);
if ($currentname != $entitisedname) {
/// If name has some entity (& " < >) add that filter too. MDL-17518
$resourcelist[] = new filterobject($entitisedname, '<a class="resource autolink" title="' . $strippedname . '" href="' . $CFG->wwwroot . '/mod/resource/view.php?r=' . $resource->id . '" ' . $CFG->frametarget . '>', '</a>', false, true);
}
}
}
}
return filter_phrases($text, $resourcelist);
// Look for all these links in the text
}
function activitynames_filter($courseid, $text)
{
global $CFG;
// Trivial-cache - keyed on $cachedcourseid
static $activitylist;
static $cachedcourseid;
if (empty($courseid)) {
$courseid = SITEID;
}
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset($cachedcourseid) || $cachedcourseid !== (int) $courseid) {
$activitylist = array();
}
$cachedcourseid = (int) $courseid;
/// It may be cached
if (empty($activitylist)) {
$course = get_record("course", "id", $courseid);
/// Casting $course->modinfo to string prevents one notice when the field is null
$modinfo = unserialize((string) $course->modinfo);
if (!empty($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={$activity->cm}\" {$CFG->frametarget}>";
$currentname = urldecode($activity->name);
if ($currentname = trim($currentname)) {
$activitylist[] = new filterobject($currentname, $href_tag_begin, '</a>', false, true);
}
}
}
}
}
}
return $text = filter_phrases($text, $activitylist);
}
function censor_filter($courseid, $text)
{
static $words;
global $CFG;
if (!isset($CFG->filter_censor_badwords)) {
set_config('filter_censor_badwords', '');
}
if (empty($words)) {
$words = array();
// if no user-specified words, use default list from language pack
if (empty($CFG->filter_censor_badwords)) {
$badwords = explode(',', get_string('badwords', 'censor'));
} else {
$badwords = explode(',', $CFG->filter_censor_badwords);
}
foreach ($badwords as $badword) {
$badword = trim($badword);
$words[] = new filterobject($badword, '<span class="censoredtext" title="' . $badword . '">', '</span>', false, false, str_pad('', strlen($badword), '*'));
}
}
return filter_phrases($text, $words);
// Look for all these words in the text
}
public function filter($text, array $options = array())
{
global $CFG, $DB, $GLOSSARY_EXCLUDECONCEPTS, $PAGE;
// Trivial-cache - keyed on $cachedcontextid
static $cachedcontextid;
static $conceptlist;
static $jsinitialised;
// To control unique js init
static $nothingtodo;
// To avoid processing if no glossaries / concepts are found
// Try to get current course
if (!($courseid = get_courseid_from_context($this->context))) {
$courseid = 0;
}
// Initialise/invalidate our trivial cache if dealing with a different context
if (!isset($cachedcontextid) || $cachedcontextid !== $this->context->id) {
$cachedcontextid = $this->context->id;
$conceptlist = array();
$nothingtodo = false;
}
if ($nothingtodo === true || !has_capability('mod/glossary:view', $this->context)) {
return $text;
}
// Create a list of all the concepts to search for. It may be cached already.
if (empty($conceptlist)) {
// Find all the glossaries we need to examine
if (!($glossaries = $DB->get_records_sql_menu('
SELECT g.id, g.name
FROM {glossary} g, {course_modules} cm, {modules} m
WHERE m.name = \'glossary\'
AND cm.module = m.id
AND cm.visible = 1
AND g.id = cm.instance
AND g.usedynalink != 0
AND (g.course = ? OR g.globalglossary = 1)
ORDER BY g.globalglossary, g.id', array($courseid)))) {
$nothingtodo = true;
return $text;
}
// Make a list of glossary IDs for searching
$glossarylist = implode(',', array_keys($glossaries));
// Pull out all the raw data from the database for entries, categories and aliases
$entries = $DB->get_records_select('glossary_entries', 'glossaryid IN (' . $glossarylist . ') AND usedynalink != 0 AND approved != 0 ', null, '', 'id,glossaryid, concept, casesensitive, 0 AS category, fullmatch');
$categories = $DB->get_records_select('glossary_categories', 'glossaryid IN (' . $glossarylist . ') AND usedynalink != 0', null, '', 'id,glossaryid,name AS concept, 1 AS casesensitive, 1 AS category, 1 AS fullmatch');
$aliases = $DB->get_records_sql('
SELECT ga.id, ge.id AS entryid, ge.glossaryid,
ga.alias AS concept, ge.concept AS originalconcept,
casesensitive, 0 AS category, fullmatch
FROM {glossary_alias} ga,
{glossary_entries} ge
WHERE ga.entryid = ge.id
AND ge.glossaryid IN (' . $glossarylist . ')
AND ge.usedynalink != 0
AND ge.approved != 0', null);
// Combine them into one big list
$concepts = array();
if ($entries and $categories) {
$concepts = array_merge($entries, $categories);
} else {
if ($categories) {
$concepts = $categories;
} else {
if ($entries) {
$concepts = $entries;
}
}
}
if ($aliases) {
$concepts = array_merge($concepts, $aliases);
}
if (!empty($concepts)) {
foreach ($concepts as $key => $concept) {
// Trim empty or unlinkable concepts
$currentconcept = trim(strip_tags($concept->concept));
if (empty($currentconcept)) {
unset($concepts[$key]);
continue;
} else {
$concepts[$key]->concept = $currentconcept;
}
// Rule out any small integers. See bug 1446
$currentint = intval($currentconcept);
if ($currentint && strval($currentint) == $currentconcept && $currentint < 1000) {
unset($concepts[$key]);
}
}
}
if (empty($concepts)) {
$nothingtodo = true;
return $text;
}
usort($concepts, 'filter_glossary::sort_entries_by_length');
$strcategory = get_string('category', 'glossary');
// Loop through all the concepts, setting up our data structure for the filter
$conceptlist = array();
// We will store all the concepts here
foreach ($concepts as $concept) {
$glossaryname = str_replace(':', '-', $glossaries[$concept->glossaryid]);
if ($concept->category) {
// Link to a category
// TODO: Fix this string usage
$title = strip_tags($glossaryname . ': ' . $strcategory . ' ' . $concept->concept);
$href_tag_begin = '<a class="glossary autolink category glossaryid' . $concept->glossaryid . '" title="' . $title . '" ' . 'href="' . $CFG->wwwroot . '/mod/glossary/view.php?g=' . $concept->glossaryid . '&mode=cat&hook=' . $concept->id . '">';
} else {
// Link to entry or alias
if (!empty($concept->originalconcept)) {
// We are dealing with an alias (so show and point to original)
$title = str_replace('"', "'", strip_tags($glossaryname . ': ' . $concept->originalconcept));
$concept->id = $concept->entryid;
} else {
// This is an entry
$title = str_replace('"', "'", strip_tags($glossaryname . ': ' . $concept->concept));
}
// hardcoding dictionary format in the URL rather than defaulting
// to the current glossary format which may not work in a popup.
// for example "entry list" means the popup would only contain
// a link that opens another popup.
$link = new moodle_url('/mod/glossary/showentry.php', array('courseid' => $courseid, 'eid' => $concept->id, 'displayformat' => 'dictionary'));
$attributes = array('href' => $link, 'title' => $title, 'class' => 'glossary autolink concept glossaryid' . $concept->glossaryid);
// this flag is optionally set by resource_pluginfile()
// if processing an embedded file use target to prevent getting nested Moodles
if (isset($CFG->embeddedsoforcelinktarget) && $CFG->embeddedsoforcelinktarget) {
$attributes['target'] = '_top';
}
$href_tag_begin = html_writer::start_tag('a', $attributes);
}
$conceptlist[] = new filterobject($concept->concept, $href_tag_begin, '</a>', $concept->casesensitive, $concept->fullmatch);
}
$conceptlist = filter_remove_duplicates($conceptlist);
if (empty($jsinitialised)) {
// Add a JavaScript event to open popup's here. This only ever need to be
// added once!
$PAGE->requires->yui_module('moodle-filter_glossary-autolinker', 'M.filter_glossary.init_filter_autolinking', array(array('courseid' => $courseid)));
$jsinitialised = true;
}
}
if (!empty($GLOSSARY_EXCLUDECONCEPTS)) {
$reducedconceptlist = array();
foreach ($conceptlist as $concept) {
if (!in_array($concept->phrase, $GLOSSARY_EXCLUDECONCEPTS)) {
$reducedconceptlist[] = $concept;
}
}
return filter_phrases($text, $reducedconceptlist);
}
return filter_phrases($text, $conceptlist);
// Actually search for concepts!
}
function glossary_filter($courseid, $text)
{
global $CFG;
// Trivial-cache - keyed on $cachedcourseid
static $nothingtodo;
static $conceptlist;
static $cachedcourseid;
if (empty($courseid)) {
$courseid = SITEID;
}
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset($cachedcourseid) || $cachedcourseid !== (int) $courseid) {
$conceptlist = array();
$nothingtodo = false;
}
$cachedcourseid = (int) $courseid;
if ($nothingtodo === true) {
return $text;
}
/// Create a list of all the concepts to search for. It may be cached already.
if (empty($conceptlist)) {
/// Find all the glossaries we need to examine
if (!($glossaries = get_records_sql_menu('SELECT g.id, g.name
FROM ' . $CFG->prefix . 'glossary g,
' . $CFG->prefix . 'course_modules cm,
' . $CFG->prefix . 'modules m
WHERE m.name = \'glossary\' AND
cm.module = m.id AND
cm.visible = 1 AND
g.id = cm.instance AND
g.usedynalink != 0 AND
(g.course = \'' . $courseid . '\' OR g.globalglossary = 1)
ORDER BY g.globalglossary, g.id'))) {
$nothingtodo = true;
return $text;
}
/// Make a list of glossary IDs for searching
$glossarylist = '';
foreach ($glossaries as $glossaryid => $glossaryname) {
$glossarylist .= $glossaryid . ',';
}
$glossarylist = substr($glossarylist, 0, -1);
/// Pull out all the raw data from the database for entries, categories and aliases
$entries = get_records_select('glossary_entries', 'glossaryid IN (' . $glossarylist . ') AND usedynalink != 0 AND approved != 0 ', '', 'id,glossaryid, concept, casesensitive, 0 AS category, fullmatch');
$categories = get_records_select('glossary_categories', 'glossaryid IN (' . $glossarylist . ') AND usedynalink != 0', '', 'id,glossaryid,name AS concept, 1 AS casesensitive, 1 AS category, 1 AS fullmatch');
$aliases = get_records_sql('SELECT ga.id, ge.glossaryid, ga.alias as concept, ge.concept as originalconcept,
casesensitive, 0 AS category, fullmatch
FROM ' . $CFG->prefix . 'glossary_alias ga,
' . $CFG->prefix . 'glossary_entries ge
WHERE ga.entryid = ge.id
AND ge.glossaryid IN (' . $glossarylist . ')
AND ge.usedynalink != 0
AND ge.approved != 0');
/// Combine them into one big list
$concepts = array();
if ($entries and $categories) {
$concepts = array_merge($entries, $categories);
} else {
if ($categories) {
$concepts = $categories;
} else {
if ($entries) {
$concepts = $entries;
}
}
}
if ($aliases) {
$concepts = array_merge($concepts, $aliases);
}
if (!empty($concepts)) {
foreach ($concepts as $key => $concept) {
/// Trim empty or unlinkable concepts
$currentconcept = trim(strip_tags($concept->concept));
if (empty($currentconcept)) {
unset($concepts[$key]);
continue;
} else {
$concepts[$key]->concept = $currentconcept;
}
/// Rule out any small integers. See bug 1446
$currentint = intval($currentconcept);
if ($currentint && strval($currentint) == $currentconcept && $currentint < 1000) {
unset($concepts[$key]);
}
}
}
if (empty($concepts)) {
$nothingtodo = true;
return $text;
}
usort($concepts, 'glossary_sort_entries_by_length');
$strcategory = get_string('category', 'glossary');
/// Loop through all the concepts, setting up our data structure for the filter
$conceptlist = array();
/// We will store all the concepts here
foreach ($concepts as $concept) {
$glossaryname = $glossaries[$concept->glossaryid];
if ($concept->category) {
// Link to a category
$title = strip_tags($glossaryname . ': ' . $strcategory . ' ' . $concept->concept);
$href_tag_begin = '<a class="glossary autolink glossaryid' . $concept->glossaryid . '" title="' . $title . '" ' . 'href="' . $CFG->wwwroot . '/mod/glossary/view.php?g=' . $concept->glossaryid . '&mode=cat&hook=' . $concept->id . '">';
} else {
if (!empty($concept->originalconcept)) {
// We are dealing with an alias (so show original)
$encodedconcept = urlencode($concept->originalconcept);
$title = str_replace('"', "'", strip_tags($glossaryname . ': ' . $concept->originalconcept));
} else {
$encodedconcept = urlencode($concept->concept);
$title = str_replace('"', "'", strip_tags($glossaryname . ': ' . $concept->concept));
}
$href_tag_begin = '<a class="glossary autolink glossaryid' . $concept->glossaryid . '" title="' . $title . '" ' . 'href="' . $CFG->wwwroot . '/mod/glossary/showentry.php?courseid=' . $courseid . '&concept=' . $encodedconcept . '" ' . 'onclick="return openpopup(\'/mod/glossary/showentry.php?courseid=' . $courseid . '\\&concept=' . $encodedconcept . '\', \'entry\', ' . '\'menubar=0,location=0,scrollbars,resizable,width=600,height=450\', 0);">';
}
$conceptlist[] = new filterobject($concept->concept, $href_tag_begin, '</a>', $concept->casesensitive, $concept->fullmatch);
}
$conceptlist = filter_remove_duplicates($conceptlist);
}
return filter_phrases($text, $conceptlist);
// Actually search for concepts!
}
public function filter($text, array $options = array())
{
global $CFG, $DB;
// Trivial-cache - keyed on $cachedcontextid
static $cachedcontextid;
static $contentlist;
static $nothingtodo;
// Try to get current course
if (!($courseid = get_courseid_from_context($this->context))) {
$courseid = 0;
}
// Initialise/invalidate our trivial cache if dealing with a different context
if (!isset($cachedcontextid) || $cachedcontextid !== $this->context->id) {
$cachedcontextid = $this->context->id;
$contentlist = array();
$nothingtodo = false;
}
if ($nothingtodo === true) {
return $text;
}
// Create a list of all the resources to search for. It may be cached already.
if (empty($contentlist)) {
$coursestosearch = $courseid ? array($courseid) : array();
// Add courseid if found
if (get_site()->id != $courseid) {
// Add siteid if was not courseid
$coursestosearch[] = get_site()->id;
}
// We look for text field contents only if have autolink enabled (param1)
list($coursesql, $params) = $DB->get_in_or_equal($coursestosearch);
$sql = 'SELECT dc.id AS contentid, dr.id AS recordid, dc.content AS content, d.id AS dataid
FROM {data} d
JOIN {data_fields} df ON df.dataid = d.id
JOIN {data_records} dr ON dr.dataid = d.id
JOIN {data_content} dc ON dc.fieldid = df.id AND dc.recordid = dr.id
WHERE d.course ' . $coursesql . '
AND df.type = \'text\'
AND ' . $DB->sql_compare_text('df.param1', 1) . " = '1'";
if (!($contents = $DB->get_records_sql($sql, $params))) {
$nothingtodo = true;
return $text;
}
foreach ($contents as $key => $content) {
// Trim empty or unlinkable concepts
$currentcontent = trim(strip_tags($content->content));
if (empty($currentcontent)) {
unset($contents[$key]);
continue;
} else {
$contents[$key]->content = $currentcontent;
}
// Rule out any small integers. See bug 1446
$currentint = intval($currentcontent);
if ($currentint && strval($currentint) == $currentcontent && $currentint < 1000) {
unset($contents[$key]);
}
}
if (empty($contents)) {
$nothingtodo = true;
return $text;
}
usort($contents, 'filter_data::sort_entries_by_length');
foreach ($contents as $content) {
$href_tag_begin = '<a class="data autolink dataid' . $content->dataid . '" title="' . $content->content . '" ' . 'href="' . $CFG->wwwroot . '/mod/data/view.php?d=' . $content->dataid . '&rid=' . $content->recordid . '">';
$contentlist[] = new filterobject($content->content, $href_tag_begin, '</a>', false, true);
}
$contentlist = filter_remove_duplicates($contentlist);
// Clean dupes
}
return filter_phrases($text, $contentlist);
// Look for all these links in the text
}
public function filter($text, array $options = array())
{
global $CFG, $USER, $GLOSSARY_EXCLUDEENTRY;
// Try to get current course.
$coursectx = $this->context->get_course_context(false);
if (!$coursectx) {
// Only global glossaries will be linked.
$courseid = 0;
} else {
$courseid = $coursectx->instanceid;
}
if ($this->cachecourseid != $courseid or $this->cacheuserid != $USER->id) {
// Invalidate the page cache.
$this->cacheconceptlist = null;
}
if (is_array($this->cacheconceptlist) and empty($GLOSSARY_EXCLUDEENTRY)) {
if (empty($this->cacheconceptlist)) {
return $text;
}
return filter_phrases($text, $this->cacheconceptlist);
}
list($glossaries, $allconcepts) = \mod_glossary\local\concept_cache::get_concepts($courseid);
if (!$allconcepts) {
$this->cacheuserid = $USER->id;
$this->cachecourseid = $courseid;
$this->cacheconcepts = array();
return $text;
}
$strcategory = get_string('category', 'glossary');
$conceptlist = array();
$excluded = false;
foreach ($allconcepts as $concepts) {
foreach ($concepts as $concept) {
if (!empty($GLOSSARY_EXCLUDEENTRY) and $concept->id == $GLOSSARY_EXCLUDEENTRY) {
$excluded = true;
continue;
}
if ($concept->category) {
// Link to a category.
// TODO: Fix this string usage.
$title = $glossaries[$concept->glossaryid] . ': ' . $strcategory . ' ' . $concept->concept;
$link = new moodle_url('/mod/glossary/view.php', array('g' => $concept->glossaryid, 'mode' => 'cat', 'hook' => $concept->id));
$attributes = array('href' => $link, 'title' => $title, 'class' => 'glossary autolink category glossaryid' . $concept->glossaryid);
} else {
// Link to entry or alias
$title = $glossaries[$concept->glossaryid] . ': ' . $concept->concept;
// Hardcoding dictionary format in the URL rather than defaulting
// to the current glossary format which may not work in a popup.
// for example "entry list" means the popup would only contain
// a link that opens another popup.
$link = new moodle_url('/mod/glossary/showentry.php', array('eid' => $concept->id, 'displayformat' => 'dictionary'));
$attributes = array('href' => $link, 'title' => str_replace('&', '&', $title), 'class' => 'glossary autolink concept glossaryid' . $concept->glossaryid);
}
// This flag is optionally set by resource_pluginfile()
// if processing an embedded file use target to prevent getting nested Moodles.
if (!empty($CFG->embeddedsoforcelinktarget)) {
$attributes['target'] = '_top';
}
$href_tag_begin = html_writer::start_tag('a', $attributes);
$conceptlist[] = new filterobject($concept->concept, $href_tag_begin, '</a>', $concept->casesensitive, $concept->fullmatch);
}
}
usort($conceptlist, 'filter_glossary::sort_entries_by_length');
if (!$excluded) {
// Do not cache the excluded list here, it is used once per page only.
$this->cacheuserid = $USER->id;
$this->cachecourseid = $courseid;
$this->cacheconceptlist = $conceptlist;
}
if (empty($conceptlist)) {
return $text;
}
return filter_phrases($text, $conceptlist);
// Actually search for concepts!
}
function filter($text, array $options = array())
{
$coursectx = $this->context->get_course_context(false);
if (!$coursectx) {
return $text;
}
$courseid = $coursectx->instanceid;
// Initialise/invalidate our trivial cache if dealing with a different course
if (!isset(self::$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 created filters here.
// Create array of visible activities sorted by the name length (we are only interested in properties name and url).
$sortedactivities = array();
foreach ($modinfo->cms as $cm) {
// Exclude labels, hidden activities and activities for group members only.
if ($cm->visible and empty($cm->groupmembersonly) and $cm->has_view()) {
$sortedactivities[] = (object) array('name' => $cm->name, 'url' => $cm->url, 'id' => $cm->id, 'namelen' => strlen($cm->name));
}
}
core_collator::asort_objects_by_property($sortedactivities, 'namelen', SORT_NUMERIC);
foreach ($sortedactivities as $cm) {
$title = s(trim(strip_tags($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' => $cm->url));
self::$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
$filterslist = array_values(array_diff_key(self::$activitylist, array($cmid => 1, $cmid . '-e' => 1)));
} else {
$filterslist = array_values(self::$activitylist);
}
}
if ($filterslist) {
return $text = filter_phrases($text, $filterslist);
} else {
return $text;
}
}
