moodle/mod/glossary/lib.php
2005-03-15 09:47:03 +00:00

2119 lines
76 KiB
PHP

<?php // $Id$
/// Library of functions and constants for module glossary
/// (replace glossary with the name of your module and delete this line)
require_once($CFG->libdir.'/filelib.php');
define("GLOSSARY_SHOW_ALL_CATEGORIES", 0);
define("GLOSSARY_SHOW_NOT_CATEGORISED", -1);
define("GLOSSARY_NO_VIEW", -1);
define("GLOSSARY_STANDARD_VIEW", 0);
define("GLOSSARY_CATEGORY_VIEW", 1);
define("GLOSSARY_DATE_VIEW", 2);
define("GLOSSARY_AUTHOR_VIEW", 3);
define("GLOSSARY_ADDENTRY_VIEW", 4);
define("GLOSSARY_IMPORT_VIEW", 5);
define("GLOSSARY_EXPORT_VIEW", 6);
define("GLOSSARY_APPROVAL_VIEW", 7);
//Check for global configure default variables
if (!isset($CFG->glossary_studentspost)) {
set_config("glossary_studentspost", 1); // Students can post entries.
}
if (!isset($CFG->glossary_dupentries)) {
set_config("glossary_dupentries", 0); // Duplicate entries are not allowed.
}
if (!isset($CFG->glossary_allowcomments)) {
set_config("glossary_allowcomments", 0); // Comments are not allowed.
}
if (!isset($CFG->glossary_linkbydefault)) {
set_config("glossary_linkbydefault", 1); // Linking entries is enabled.
}
if (!isset($CFG->glossary_defaultapproval)) {
set_config("glossary_defaultapproval", 1); // Entries are approved.
}
if (!isset($CFG->glossary_entbypage)) {
set_config("glossary_entbypage", 10); // 10 entries are showed.
}
/// STANDARD FUNCTIONS ///////////////////////////////////////////////////////////
function glossary_add_instance($glossary) {
/// Given an object containing all the necessary data,
/// (defined by the form in mod.html) this function
/// will create a new instance and return the id number
/// of the new instance.
if (!isset($glossary->userating) || !$glossary->userating) {
$glossary->assessed = 0;
}
if (!empty($glossary->ratingtime)) {
$glossary->assesstimestart = make_timestamp($glossary->startyear, $glossary->startmonth, $glossary->startday,
$glossary->starthour, $glossary->startminute, 0);
$glossary->assesstimefinish = make_timestamp($glossary->finishyear, $glossary->finishmonth, $glossary->finishday,
$glossary->finishhour, $glossary->finishminute, 0);
} else {
$glossary->assesstimestart = 0;
$glossary->assesstimefinish = 0;
}
if ( !isset($glossary->globalglossary) ) {
$glossary->globalglossary = 0;
} elseif ( !isadmin() ) {
$glossary->globalglossary = 0;
}
$glossary->timecreated = time();
$glossary->timemodified = $glossary->timecreated;
//Check displayformat is a valid one
$formats = get_list_of_plugins('mod/glossary/formats','TEMPLATE');
if (!in_array($glossary->displayformat, $formats)) {
error("This format doesn't exist!");
}
return insert_record("glossary", $glossary);
}
function glossary_update_instance($glossary) {
/// Given an object containing all the necessary data,
/// (defined by the form in mod.html) this function
/// will update an existing instance with new data.
global $CFG;
if ( !isadmin() ) {
unset($glossary->globalglossary);
}
if (empty($glossary->globalglossary)) {
$glossary->globalglossary = 0;
}
$glossary->timemodified = time();
$glossary->id = $glossary->instance;
if (!isset($glossary->userating) || !$glossary->userating) {
$glossary->assessed = 0;
}
if (!empty($glossary->ratingtime)) {
$glossary->assesstimestart = make_timestamp($glossary->startyear, $glossary->startmonth, $glossary->startday,
$glossary->starthour, $glossary->startminute, 0);
$glossary->assesstimefinish = make_timestamp($glossary->finishyear, $glossary->finishmonth, $glossary->finishday,
$glossary->finishhour, $glossary->finishminute, 0);
} else {
$glossary->assesstimestart = 0;
$glossary->assesstimefinish = 0;
}
//Check displayformat is a valid one
$formats = get_list_of_plugins('mod/glossary/formats','TEMPLATE');
if (!in_array($glossary->displayformat, $formats)) {
error("This format doesn't exist!");
}
$return = update_record("glossary", $glossary);
if ($return and $glossary->defaultapproval) {
execute_sql("update {$CFG->prefix}glossary_entries SET approved = 1 where approved != 1 and glossaryid = " . $glossary->id,false);
}
return $return;
}
function glossary_delete_instance($id) {
/// Given an ID of an instance of this module,
/// this function will permanently delete the instance
/// and any data that depends on it.
if (! $glossary = get_record("glossary", "id", "$id")) {
return false;
}
$result = true;
# Delete any dependent records here #
if (! delete_records("glossary", "id", "$glossary->id")) {
$result = false;
} else {
if ($categories = get_records("glossary_categories","glossaryid",$glossary->id)) {
$cats = "";
foreach ( $categories as $cat ) {
$cats .= "$cat->id,";
}
$cats = substr($cats,0,-1);
if ($cats) {
delete_records_select("glossary_entries_categories", "categoryid in ($cats)");
delete_records("glossary_categories", "glossaryid", $glossary->id);
}
}
if ( $entries = get_records("glossary_entries", "glossaryid", $glossary->id) ) {
$ents = "";
foreach ( $entries as $entry ) {
if ( $entry->sourceglossaryid ) {
$entry->glossaryid = $entry->sourceglossaryid;
$entry->sourceglossaryid = 0;
update_record("glossary_entries",$entry);
} else {
$ents .= "$entry->id,";
}
}
$ents = substr($ents,0,-1);
if ($ents) {
delete_records_select("glossary_comments", "entryid in ($ents)");
delete_records_select("glossary_alias", "entryid in ($ents)");
delete_records_select("glossary_ratings", "entryid in ($ents)");
}
}
glossary_delete_attachments($glossary);
delete_records("glossary_entries", "glossaryid", "$glossary->id");
}
return $result;
}
function glossary_user_outline($course, $user, $mod, $glossary) {
/// Return a small object with summary information about what a
/// user has done with a given particular instance of this module
/// Used for user activity reports.
/// $return->time = the time they did it
/// $return->info = a short text description
if ($entries = glossary_get_user_entries($glossary->id, $user->id)) {
$result->info = count($entries) . ' ' . get_string("entries", "glossary");
$lastentry = array_pop($entries);
$result->time = $lastentry->timemodified;
return $result;
}
return NULL;
}
function glossary_get_user_entries($glossaryid, $userid) {
/// Get all the entries for a user in a glossary
global $CFG;
return get_records_sql("SELECT e.*, u.firstname, u.lastname, u.email, u.picture
FROM {$CFG->prefix}glossary g,
{$CFG->prefix}glossary_entries e,
{$CFG->prefix}user u
WHERE g.id = '$glossaryid'
AND e.glossaryid = g.id
AND e.userid = '$userid'
AND e.userid = u.id
ORDER BY e.timemodified ASC");
}
function glossary_user_complete($course, $user, $mod, $glossary) {
/// Print a detailed representation of what a user has done with
/// a given particular instance of this module, for user activity reports.
global $CFG;
if ($entries = glossary_get_user_entries($glossary->id, $user->id)) {
echo '<table width="95%" border="0"><tr><td>';
foreach ($entries as $entry) {
$cm = get_coursemodule_from_instance("glossary", $glossary->id, $course->id);
glossary_print_entry($course, $cm, $glossary, $entry,"","",0);
echo '<p>';
}
echo '</td></tr></table>';
}
}
function glossary_print_recent_activity($course, $isteacher, $timestart) {
/// Given a course and a time, this module should find recent activity
/// that has occurred in glossary activities and print it out.
/// Return true if there was output, or false is there was none.
global $CFG;
if (!$logs = get_records_select('log', 'time > \''.$timestart.'\' AND '.
'course = \''.$course->id.'\' AND '.
'module = \'glossary\' AND '.
'(action = \'add entry\' OR '.
' action = \'approve entry\')', 'time ASC')) {
return false;
}
$entries = array();
foreach ($logs as $log) {
//Create a temp valid module structure (course,id)
$tempmod->course = $log->course;
$entry = get_record('glossary_entries','id',$log->info);
$tempmod->id = $entry->glossaryid;
//Obtain the visible property from the instance
$modvisible = instance_is_visible($log->module,$tempmod);
//Only if the mod is visible
if ($modvisible and $entry->approved) {
$entries[$log->info] = glossary_log_info($log);
$entries[$log->info]->time = $log->time;
$entries[$log->info]->url = str_replace('&', '&amp;', $log->url);
}
}
$content = false;
if ($entries) {
$content = true;
print_headline(get_string('newentries', 'glossary').':');
foreach ($entries as $entry) {
$user = get_record('user','id',$entry->userid, '','', '','', 'firstname,lastname');
print_recent_activity_note($entry->timemodified, $user, $isteacher, $entry->concept,
$CFG->wwwroot.'/mod/glossary/view.php?g='.$entry->glossaryid.
'&amp;mode=entry&amp;hook='.$entry->id);
}
}
return $content;
}
function glossary_log_info($log) {
global $CFG;
return get_record_sql("SELECT e.*, u.firstname, u.lastname
FROM {$CFG->prefix}glossary_entries e,
{$CFG->prefix}user u
WHERE e.id = '$log->info'
AND u.id = '$log->userid'");
}
function glossary_cron () {
/// Function to be run periodically according to the moodle cron
/// This function searches for things that need to be done, such
/// as sending out mail, toggling flags etc ...
global $CFG;
return true;
}
function glossary_grades($glossaryid) {
/// Must return an array of grades for a given instance of this module,
/// indexed by user. It also returns a maximum allowed grade.
if (!$glossary = get_record("glossary", "id", $glossaryid)) {
return false;
}
if (!$glossary->assessed) {
return false;
}
$scalemenu = make_grades_menu($glossary->scale);
$currentuser = 0;
$ratingsuser = array();
if ($ratings = glossary_get_user_grades($glossaryid)) {
foreach ($ratings as $rating) { // Ordered by user
if ($currentuser and $rating->userid != $currentuser) {
if (!empty($ratingsuser)) {
if ($glossary->scale < 0) {
$return->grades[$currentuser] = glossary_get_ratings_mean(0, $scalemenu, $ratingsuser);
$return->grades[$currentuser] .= "<br />".glossary_get_ratings_summary(0, $scalemenu, $ratingsuser);
} else {
$total = 0;
$count = 0;
foreach ($ratingsuser as $ra) {
$total += $ra;
$count ++;
}
$return->grades[$currentuser] = (string) format_float($total/$count, 2);
if ( count($ratingsuser) > 1 ) {
$return->grades[$currentuser] .= " (" . count($ratingsuser) . ")";
}
}
} else {
$return->grades[$currentuser] = "";
}
$ratingsuser = array();
}
$ratingsuser[] = $rating->rating;
$currentuser = $rating->userid;
}
if (!empty($ratingsuser)) {
if ($glossary->scale < 0) {
$return->grades[$currentuser] = glossary_get_ratings_mean(0, $scalemenu, $ratingsuser);
$return->grades[$currentuser] .= "<br />".glossary_get_ratings_summary(0, $scalemenu, $ratingsuser);
} else {
$total = 0;
$count = 0;
foreach ($ratingsuser as $ra) {
$total += $ra;
$count ++;
}
$return->grades[$currentuser] = (string) format_float((float)$total/(float)$count, 2);
if ( count($ratingsuser) > 1 ) {
$return->grades[$currentuser] .= " (" . count($ratingsuser) . ")";
}
}
} else {
$return->grades[$currentuser] = "";
}
} else {
$return->grades = array();
}
if ($glossary->scale < 0) {
$return->maxgrade = "";
} else {
$return->maxgrade = $glossary->scale;
}
return $return;
}
function glossary_get_participants($glossaryid) {
//Returns the users with data in one glossary
//(users with records in glossary_entries, students)
global $CFG;
//Get students
$students = get_records_sql("SELECT DISTINCT u.id, u.id
FROM {$CFG->prefix}user u,
{$CFG->prefix}glossary_entries g
WHERE g.glossaryid = '$glossaryid' and
u.id = g.userid");
//Return students array (it contains an array of unique users)
return ($students);
}
function glossary_scale_used ($glossaryid,$scaleid) {
//This function returns if a scale is being used by one glossary
$return = false;
$rec = get_record("glossary","id","$glossaryid","scale","-$scaleid");
if (!empty($rec) && !empty($scaleid)) {
$return = true;
}
return $return;
}
//////////////////////////////////////////////////////////////////////////////////////
/// Any other glossary functions go here. Each of them must have a name that
/// starts with glossary_
//This function return an array of valid glossary_formats records
//Everytime it's called, every existing format is checked, new formats
//are included if detected and old formats are deleted and any glossary
//using an invalid format is updated to the default (dictionary).
function glossary_get_available_formats() {
global $CFG;
//Get available formats (plugin) and insert (if necessary) them into glossary_formats
$formats = get_list_of_plugins('mod/glossary/formats', 'TEMPLATE');
$pluginformats = array();
foreach ($formats as $format) {
//If the format file exists
if (file_exists($CFG->dirroot.'/mod/glossary/formats/'.$format.'/'.$format.'_format.php')) {
include_once($CFG->dirroot.'/mod/glossary/formats/'.$format.'/'.$format.'_format.php');
//If the function exists
if (function_exists('glossary_show_entry_'.$format)) {
//Acummulate it as a valid format
$pluginformats[] = $format;
//If the format doesn't exist in the table
if (!$rec = get_record('glossary_formats','name',$format)) {
//Insert the record in glossary_formats
$gf->name = $format;
$gf->popupformatname = $format;
$gf->visible = 1;
insert_record("glossary_formats",$gf);
}
}
}
}
//Delete non_existent formats from glossary_formats table
$formats = get_records("glossary_formats");
foreach ($formats as $format) {
$todelete = false;
//If the format in DB isn't a valid previously detected format then delete the record
if (!in_array($format->name,$pluginformats)) {
$todelete = true;
}
if ($todelete) {
//Delete the format
delete_records('glossary_formats','name',$format->name);
//Reasign existing glossaries to default (dictionary) format
if ($glossaries = get_records('glossary','displayformat',$format->name)) {
foreach($glossaries as $glossary) {
set_field('glossary','displayformat','dictionary','id',$glossary->id);
}
}
}
}
//Now everything is ready in glossary_formats table
$formats = get_records("glossary_formats");
return $formats;
}
function glossary_debug($debug,$text,$br=1) {
if ( $debug ) {
echo '<font color="red">' . $text . '</font>';
if ( $br ) {
echo '<br />';
}
}
}
function glossary_get_entries($glossaryid, $entrylist, $pivot = "") {
global $CFG;
if ($pivot) {
$pivot .= ",";
}
return get_records_sql("SELECT $pivot id,userid,concept,definition,format
FROM {$CFG->prefix}glossary_entries
WHERE glossaryid = '$glossaryid'
AND id IN ($entrylist)");
}
function glossary_get_entries_search($concept, $courseid) {
global $CFG;
//Check if the user is an admin
$bypassadmin = 1; //This means NO (by default)
if (isadmin()) {
$bypassadmin = 0; //This means YES
}
//Check if the user is a teacher
$bypassteacher = 1; //This means NO (by default)
if (isteacher($courseid)) {
$bypassteacher = 0; //This means YES
}
$conceptupper = strtoupper(trim($concept));
return get_records_sql("SELECT e.*, g.name as glossaryname, cm.id as cmid, cm.course as courseid
FROM {$CFG->prefix}glossary_entries e,
{$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 OR cm.visible = $bypassadmin OR
(cm.course = '$courseid' AND cm.visible = $bypassteacher)) AND
g.id = cm.instance AND
e.glossaryid = g.id AND
( (e.casesensitive != 0 AND UPPER(concept) = '$conceptupper') OR
(e.casesensitive = 0 and concept = '$concept')) AND
(g.course = '$courseid' OR g.globalglossary = 1) AND
e.usedynalink != 0 AND
g.usedynalink != 0");
}
function glossary_get_entries_sorted($glossary, $where="", $orderby="", $pivot = "") {
global $CFG;
if ($where) {
$where = " and $where";
}
if ($orderby) {
$orderby = " ORDER BY $orderby";
}
if ($pivot) {
$pivot .= ",";
}
return get_records_sql("SELECT $pivot *
FROM {$CFG->prefix}glossary_entries
WHERE (glossaryid = $glossary->id or sourceglossaryid = $glossary->id) $where $orderby");
}
function glossary_get_entries_by_category($glossary, $hook, $where="", $orderby="", $pivot = "") {
global $CFG;
if ($where) {
$where = " and $where";
}
if ($orderby) {
$orderby = " ORDER BY $orderby";
}
if ($pivot) {
$pivot .= ",";
}
return get_records_sql("SELECT $pivot ge.*
FROM {$CFG->prefix}glossary_entries ge, {$CFG->prefix}glossary_entries_categories c
WHERE (ge.id = c.entryidid and c.categoryid = $hook) and
(ge.glossaryid = $glossary->id or ge.sourceglossaryid = $glossary->id) $where $orderby");
}
function glossary_print_entry($course, $cm, $glossary, $entry, $mode='',$hook='',$printicons = 1, $displayformat = -1, $ratings = NULL, $printview = false) {
global $USER, $CFG;
$return = false;
if ( $displayformat < 0 ) {
$displayformat = $glossary->displayformat;
}
if ($entry->approved or ($USER->id == $entry->userid) or ($mode == 'approval' and !$entry->approved) ) {
$formatfile = $CFG->dirroot.'/mod/glossary/formats/'.$displayformat.'/'.$displayformat.'_format.php';
if ($printview) {
$functionname = 'glossary_print_entry_'.$displayformat;
} else {
$functionname = 'glossary_show_entry_'.$displayformat;
}
if (file_exists($formatfile)) {
include_once($formatfile);
if (function_exists($functionname)) {
$return = $functionname($course, $cm, $glossary, $entry,$mode,$hook,$printicons,$ratings);
} else if ($printview) {
//If the glossary_print_entry_XXXX function doesn't exist, print default (old) print format
$return = glossary_print_entry_default($entry);
}
}
}
return $return;
}
//Default (old) print format used if custom function doesn't exist in format
function glossary_print_entry_default ($entry) {
echo '<b>'. strip_tags($entry->concept) . ': </b>';
$options->para = false;
$definition = format_text('<span class="nolink">' . strip_tags($entry->definition) . '</span>', $entry->format,$options);
echo ($definition);
echo '<br /><br />';
}
function glossary_print_entry_concept($entry) {
$options->para = false;
$text = format_text('<span class="nolink">' . $entry->concept . '</span>', FORMAT_MOODLE, $options);
if (!empty($entry->highlight)) {
$text = highlight($entry->highlight, $text);
}
echo $text;
}
function glossary_print_entry_definition($entry) {
$definition = $entry->definition;
$tags = array();
$urls = array();
$addrs = array();
//Calculate all the strings to be no-linked
//First, the concept
$term = preg_quote(trim($entry->concept),'/');
$pat = '/('.$term.')/is';
$doNolinks[] = $pat;
//Now the aliases
if ( $aliases = get_records('glossary_alias','entryid',$entry->id) ) {
foreach ($aliases as $alias) {
$term = preg_quote(trim($alias->alias),'/');
$pat = '/('.$term.')/is';
$doNolinks[] = $pat;
}
}
//Extract all tags from definition
preg_match_all('/(<.*?>)/is',$definition,$list_of_tags);
//Save them into tags array to use them later
foreach (array_unique($list_of_tags[0]) as $key=>$value) {
$tags['<@'.$key.'@>'] = $value;
}
//Take off every tag from definition
if ( $tags ) {
$definition = str_replace($tags,array_keys($tags),$definition);
}
//Extract all URLS with protocol (http://domain.com) from definition
preg_match_all('/([[:space:]]|^|\(|\[)([[:alnum:]]+):\/\/([^[:space:]]*)([[:alnum:]#?\/&=])/is',$definition,$list_of_urls);
//Save them into urls array to use them later
foreach (array_unique($list_of_urls[0]) as $key=>$value) {
$urls['<*'.$key.'*>'] = $value;
}
//Take off every url from definition
if ( $urls ) {
$definition = str_replace($urls,array_keys($urls),$definition);
}
//Extract all WEB ADDRESSES (www.domain.com) from definition
preg_match_all('/([[:space:]]|^|\(|\[)www\.([^[:space:]]*)([[:alnum:]#?\/&=])/is',$definition,$list_of_addresses);
//Save them into addrs array to use them later
foreach (array_unique($list_of_addresses[0]) as $key=>$value) {
$addrs['<+'.$key.'+>'] = $value;
}
//Take off every addr from definition
if ( $addrs ) {
$definition = str_replace($addrs,array_keys($addrs),$definition);
}
//Put doNolinks (concept + aliases) enclosed by <nolink> tag
$definition= preg_replace($doNolinks,'<span class="nolink">$1</span>',$definition);
//Restore addrs
if ( $addrs ) {
$definition = str_replace(array_keys($addrs),$addrs,$definition);
}
//Restore urls
if ( $urls ) {
$definition = str_replace(array_keys($urls),$urls,$definition);
}
//Restore tags
if ( $tags ) {
$definition = str_replace(array_keys($tags),$tags,$definition);
}
$options->para = false;
$text = format_text($definition, $entry->format,$options);
if (!empty($entry->highlight)) {
$text = highlight($entry->highlight, $text);
}
if (isset($entry->footer)) { // Unparsed footer info
$text .= $entry->footer;
}
echo $text;
}
function glossary_print_entry_aliases($course, $cm, $glossary, $entry,$mode='',$hook='', $type = 'print') {
$return = '';
if ( $aliases = get_records('glossary_alias','entryid',$entry->id) ) {
foreach ($aliases as $alias) {
if (trim($alias->alias)) {
if ($return == '') {
$return = '<select style="font-size:8pt">';
}
$return .= "<option>$alias->alias</option>";
}
}
if ($return != '') {
$return .= '</select>';
}
}
if ($type == 'print') {
echo $return;
} else {
return $return;
}
}
function glossary_print_entry_icons($course, $cm, $glossary, $entry, $mode='',$hook='', $type = 'print') {
global $USER, $CFG;
$output = false; //To decide if we must really return text in "return". Activate when needed only!
$importedentry = ($entry->sourceglossaryid == $glossary->id);
$isteacher = isteacher($course->id);
$ismainglossary = $glossary->mainglossary;
$return = '<span class="commands">';
if (!$entry->approved) {
$output = true;
$return .= get_string('entryishidden','glossary');
}
$return .= glossary_print_entry_commentslink($course, $cm, $glossary, $entry,$mode,$hook,'html');
if ( (!empty($USER->id) && $glossary->allowcomments && !isguest()) || $isteacher) {
$output = true;
$return .= '<a title="' . get_string('addcomment','glossary') . '" href="comment.php?id='.$cm->id.'&amp;eid='.$entry->id.'"><img src="comment.gif" height="11" width="11" border="0" alt="'.get_string('addcomment','glossary').'" /></a>';
}
if ($isteacher or (!empty($USER->id) and $glossary->studentcanpost and $entry->userid == $USER->id)) {
// only teachers can export entries so check it out
if ($isteacher and !$ismainglossary and !$importedentry) {
$mainglossary = get_record('glossary','mainglossary',1,'course',$course->id);
if ( $mainglossary ) { // if there is a main glossary defined, allow to export the current entry
$output = true;
$return .= '<a title="'.get_string('exporttomainglossary','glossary') . '" href="exportentry.php?id='.$cm->id.'&amp;entry='.$entry->id.'&amp;mode='.$mode.'&amp;hook='.$hook.'"><img src="export.gif" height="11" width="11" border="0" alt="'.get_string('exporttomainglossary','glossary').'" /></a>';
}
}
if ( $entry->sourceglossaryid ) {
$icon = "minus.gif"; // graphical metaphor (minus) for deleting an imported entry
} else {
$icon = "$CFG->pixpath/t/delete.gif";
}
//Decide if an entry is editable:
// -It isn't a imported entry (so nobody can edit a imported (from secondary to main) entry)) and
// -The user is teacher or he is a student with time permissions (edit period or editalways defined).
$ineditperiod = ((time() - $entry->timecreated < $CFG->maxeditingtime) || $glossary->editalways);
if ( !$importedentry and ($isteacher or ($entry->userid == $USER->id and $ineditperiod))) {
$output = true;
$return .= " <a title=\"" . get_string("delete") . "\" href=\"deleteentry.php?id=$cm->id&amp;mode=delete&amp;entry=$entry->id&amp;prevmode=$mode&amp;hook=$hook\"><img src=\"";
$return .= $icon;
$return .= "\" height=\"11\" width=\"11\" border=\"0\" alt=\"\" /></a> ";
$return .= " <a title=\"" . get_string("edit") . "\" href=\"edit.php?id=$cm->id&amp;e=$entry->id&amp;mode=$mode&amp;hook=$hook\"><img src=\"$CFG->pixpath/t/edit.gif\" height=\"11\" width=\"11\" border=\"0\" alt=\"\" /></a>";
} elseif ( $importedentry ) {
$return .= " <font size=\"-1\">" . get_string("exportedentry","glossary") . "</font>";
}
}
$return .= "&nbsp;&nbsp;"; // just to make up a little the output in Mozilla ;)
$return .= '</span>';
//If we haven't calculated any REAL thing, delete result ($return)
if (!$output) {
$return = '';
}
//Print or get
if ($type == 'print') {
echo $return;
} else {
return $return;
}
}
function glossary_print_entry_commentslink($course, $cm, $glossary, $entry,$mode,$hook, $type = 'print') {
$return = '';
$count = count_records('glossary_comments','entryid',$entry->id);
if ($count) {
$return = '';
$return .= "<a href=\"comments.php?id=$cm->id&amp;eid=$entry->id\">$count ";
if ($count == 1) {
$return .= get_string('comment', 'glossary');
} else {
$return .= get_string('comments', 'glossary');
}
$return .= '</a>';
}
if ($type == 'print') {
echo $return;
} else {
return $return;
}
}
function glossary_print_entry_lower_section($course, $cm, $glossary, $entry, $mode, $hook,$printicons,$ratings,$aliases=true) {
if ($aliases) {
$aliases = glossary_print_entry_aliases($course, $cm, $glossary, $entry, $mode, $hook,'html');
}
$icons = '';
$return = '';
if ( $printicons ) {
$icons = glossary_print_entry_icons($course, $cm, $glossary, $entry, $mode, $hook,'html');
}
if ($aliases || $icons || $ratings) {
echo '<table>';
if ( $aliases ) {
echo '<tr valign="top"><td class="aliases">' .
get_string('aliases','glossary').': '.$aliases . '</td></tr>';
}
if ($icons) {
echo '<tr valign="top"><td class="icons">'.$icons.'</td></tr>';
}
if ($ratings) {
echo '<tr valign="top"><td class="ratings">';
$return = glossary_print_entry_ratings($course, $entry, $ratings);
echo '</td></tr>';
}
echo '</table>';
}
return $return;
}
function glossary_print_entry_attachment($entry,$format=NULL,$align="right",$insidetable=true) {
/// valid format values: html : Return the HTML link for the attachment as an icon
/// text : Return the HTML link for tha attachment as text
/// blank : Print the output to the screen
if ($entry->attachment) {
$glossary = get_record("glossary","id",$entry->glossaryid);
$entry->course = $glossary->course; //used inside print_attachment
if ($insidetable) {
echo "<table border=\"0\" width=\"100%\" align=\"$align\"><tr><td align=\"$align\" nowrap=\"nowrap\">\n";
}
echo glossary_print_attachments($entry,$format,$align);
if ($insidetable) {
echo "</td></tr></table>\n";
}
}
}
function glossary_print_entry_approval($cm, $entry, $mode,$align="right",$insidetable=true) {
if ( $mode == 'approval' and !$entry->approved ) {
if ($insidetable) {
echo '<table class="glossaryapproval" align="'.$align.'"><tr><td align="'.$align.'">';
}
echo '<a title="'.get_string('approve','glossary').'" href="approve.php?id='.$cm->id.'&amp;eid='.$entry->id.'&amp;mode='.$mode.'"><img align="'.$align.'" src="check.gif" border="0" width="34" height="34" alt="" /></a>';
if ($insidetable) {
echo '</td></tr></table>';
}
}
}
function glossary_search($course, $searchterms, $extended = 0, $glossary = NULL) {
// It returns all entries from all glossaries that matches the specified criteria
// within a given $course. It performs an $extended search if necessary.
// It restrict the search to only one $glossary if the $glossary parameter is set.
global $CFG;
if ( !$glossary ) {
if ( $glossaries = get_records("glossary", "course", $course->id) ) {
$glos = "";
foreach ( $glossaries as $glossary ) {
$glos .= "$glossary->id,";
}
$glos = substr($ents,0,-1);
}
} else {
$glos = $glossary->id;
}
if (!isteacher($glossary->course)) {
$glossarymodule = get_record("modules", "name", "glossary");
$onlyvisible = " AND g.id = cm.instance AND cm.visible = 1 AND cm.module = $glossarymodule->id";
$onlyvisibletable = ", {$CFG->prefix}course_modules cm";
} else {
$onlyvisible = "";
$onlyvisibletable = "";
}
/// Some differences in syntax for entrygreSQL
switch ($CFG->dbtype) {
case 'postgres7':
$LIKE = "ILIKE"; // case-insensitive
$NOTLIKE = "NOT ILIKE"; // case-insensitive
$REGEXP = "~*";
$NOTREGEXP = "!~*";
break;
case 'mysql':
default:
$LIKE = "LIKE";
$NOTLIKE = "NOT LIKE";
$REGEXP = "REGEXP";
$NOTREGEXP = "NOT REGEXP";
break;
}
$conceptsearch = "";
$definitionsearch = "";
foreach ($searchterms as $searchterm) {
if ($conceptsearch) {
$conceptsearch.= " OR ";
}
if ($definitionsearch) {
$definitionsearch.= " OR ";
}
if (substr($searchterm,0,1) == "+") {
$searchterm = substr($searchterm,1);
$conceptsearch.= " e.concept $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$definitionsearch .= " e.definition $REGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
} else if (substr($searchterm,0,1) == "-") {
$searchterm = substr($searchterm,1);
$conceptsearch .= " e.concept $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
$definitionsearch .= " e.definition $NOTREGEXP '(^|[^a-zA-Z0-9])$searchterm([^a-zA-Z0-9]|$)' ";
} else {
$conceptsearch .= " e.concept $LIKE '%$searchterm%' ";
$definitionsearch .= " e.definition $LIKE '%$searchterm%' ";
}
}
if ( !$extended ) {
$definitionsearch = "0";
}
$selectsql = "{$CFG->prefix}glossary_entries e,
{$CFG->prefix}glossary g $onlyvisibletable
WHERE ($conceptsearch OR $definitionsearch)
AND (e.glossaryid = g.id or e.sourceglossaryid = g.id) $onlyvisible
AND g.id IN ($glos) AND e.approved != 0";
return get_records_sql("SELECT e.*
FROM $selectsql ORDER BY e.concept ASC");
}
function glossary_search_entries($searchterms, $glossary, $extended) {
$course = get_record("course","id",$glossary->course);
return glossary_search($course,$searchterms,$extended,$glossary);
}
function glossary_file_area_name($entry) {
global $CFG;
// Creates a directory file name, suitable for make_upload_directory()
// I'm doing this workaround for make it works for delete_instance also
// (when called from delete_instance, glossary is already deleted so
// getting the course from mdl_glossary does not work)
$module = get_record("modules","name","glossary");
$cm = get_record("course_modules","module",$module->id,"instance",$entry->glossaryid);
return "$cm->course/$CFG->moddata/glossary/$entry->glossaryid/$entry->id";
}
function glossary_file_area($entry) {
return make_upload_directory( glossary_file_area_name($entry) );
}
function glossary_main_file_area($glossary) {
$modarea = glossary_mod_file_area($glossary);
return "$modarea/$glossary->id";
}
function glossary_mod_file_area($glossary) {
global $CFG;
return make_upload_directory( "$glossary->course/$CFG->moddata/glossary" );
}
function glossary_delete_old_attachments($entry, $exception="") {
// Deletes all the user files in the attachments area for a entry
// EXCEPT for any file named $exception
if ($basedir = glossary_file_area($entry)) {
if ($files = get_directory_list($basedir)) {
foreach ($files as $file) {
if ($file != $exception) {
unlink("$basedir/$file");
// notify("Existing file '$file' has been deleted!");
}
}
}
if (!$exception) { // Delete directory as well, if empty
rmdir("$basedir");
}
}
}
function glossary_delete_attachments($glossary) {
// Deletes all the user files in the attachments area for the glossary
if ( $entries = get_records("glossary_entries","glossaryid",$glossary->id) ) {
$deleted = 0;
foreach ($entries as $entry) {
if ( $entry->attachment ) {
if ($basedir = glossary_file_area($entry)) {
if ($files = get_directory_list($basedir)) {
foreach ($files as $file) {
unlink("$basedir/$file");
}
}
rmdir("$basedir");
$deleted++;
}
}
}
if ( $deleted ) {
$attachmentdir = glossary_main_file_area($glossary);
$glossarydir = glossary_mod_file_area($glossary);
rmdir("$attachmentdir");
if (!$files = get_directory_list($glossarydir) ) {
rmdir( "$glossarydir" );
}
}
}
}
function glossary_copy_attachments($entry, $newentry) {
/// Given a entry object that is being copied to glossaryid,
/// this function checks that entry
/// for attachments, and if any are found, these are
/// copied to the new glossary directory.
global $CFG;
$return = true;
if ($entries = get_records_select("glossary_entries", "id = '$entry->id' AND attachment <> ''")) {
foreach ($entries as $curentry) {
$oldentry->id = $entry->id;
$oldentry->course = $entry->course;
$oldentry->glossaryid = $curentry->glossaryid;
$oldentrydir = "$CFG->dataroot/".glossary_file_area_name($oldentry);
if (is_dir($oldentrydir)) {
$newentrydir = glossary_file_area($newentry);
if (! copy("$oldentrydir/$newentry->attachment", "$newentrydir/$newentry->attachment")) {
$return = false;
}
}
}
}
return $return;
}
function glossary_move_attachments($entry, $glossaryid) {
/// Given a entry object that is being moved to glossaryid,
/// this function checks that entry
/// for attachments, and if any are found, these are
/// moved to the new glossary directory.
global $CFG;
require_once($CFG->dirroot.'/lib/uploadlib.php');
$return = true;
if ($entries = get_records_select("glossary_entries", "glossaryid = '$entry->id' AND attachment <> ''")) {
foreach ($entries as $entry) {
$oldentry->course = $entry->course;
$oldentry->glossaryid = $entry->glossaryid;
$oldentrydir = "$CFG->dataroot/".glossary_file_area_name($oldentry);
if (is_dir($oldentrydir)) {
$newentry = $oldentry;
$newentry->glossaryid = $glossaryid;
$newentrydir = "$CFG->dataroot/".glossary_file_area_name($newentry);
$files = get_directory_list($oldentrydir); // get it before we rename it.
if (! @rename($oldentrydir, $newentrydir)) {
$return = false;
}
foreach ($files as $file) {
// this is not tested as I can't find anywhere that calls this function, grepping the source.
clam_change_log($oldentrydir.'/'.$file,$newentrydir.'/'.$file);
}
}
}
}
return $return;
}
function glossary_add_attachment($entry, $inputname) {
// $entry is a full entry record, including course and glossary
// $newfile is a full upload array from $_FILES
// If successful, this function returns the name of the file
global $CFG;
if (!$glossary = get_record("glossary","id",$entry->glossaryid)) {
return false;
}
if (!$course = get_record("course","id",$glossary->course)) {
return false;
}
require_once($CFG->dirroot.'/lib/uploadlib.php');
$um = new upload_manager($inputname,true,false,$course,false,0,false,true);
$dir = glossary_file_area_name($entry);
if ($um->process_file_uploads($dir)) {
return $um->get_new_filename();
}
// upload manager will take care of errors.
}
function glossary_print_attachments($entry, $return=NULL, $align="left") {
// if return=html, then return a html string.
// if return=text, then return a text-only string.
// otherwise, print HTML for non-images, and return image HTML
// if attachment is an image, $align set its aligment.
global $CFG;
$newentry = $entry;
if ( $newentry->sourceglossaryid ) {
$newentry->glossaryid = $newentry->sourceglossaryid;
}
$filearea = glossary_file_area_name($newentry);
$imagereturn = "";
$output = "";
if ($basedir = glossary_file_area($newentry)) {
if ($files = get_directory_list($basedir)) {
$strattachment = get_string("attachment", "glossary");
$strpopupwindow = get_string("popupwindow");
foreach ($files as $file) {
$icon = mimeinfo("icon", $file);
if ($CFG->slasharguments) {
$ffurl = "file.php/$filearea/$file";
} else {
$ffurl = "file.php?file=/$filearea/$file";
}
$image = "<img border=\"0\" src=\"$CFG->pixpath/f/$icon\" height=\"16\" width=\"16\" alt=\"$strpopupwindow\" />";
if ($return == "html") {
$output .= "<a target=\"_image\" href=\"$CFG->wwwroot/$ffurl\">$image</a> ";
$output .= "<a target=\"_image\" href=\"$CFG->wwwroot/$ffurl\">$file</a><br />";
} else if ($return == "text") {
$output .= "$strattachment $file:\n$CFG->wwwroot/$ffurl\n";
} else {
if ($icon == "image.gif") { // Image attachments don't get printed as links
$imagereturn .= "<img src=\"$CFG->wwwroot/$ffurl\" align=\"$align\" alt=\"\" />";
} else {
link_to_popup_window("/$ffurl", "attachment", $image, 500, 500, $strattachment);
echo "<a target=\"_image\" href=\"$CFG->wwwroot/$ffurl\">$file</a>";
echo "<br />";
}
}
}
}
}
if ($return) {
return $output;
}
return $imagereturn;
}
function glossary_print_tabbed_table_start($data, $currenttab, $tabsperrow=4) {
$tabs = count($data);
$tabwidth = (int) (100 / $tabsperrow);
$currentrow = ( $currenttab - ( $currenttab % $tabsperrow) ) / $tabsperrow;
$numrows = (int) ( $tabs / $tabsperrow ) + 1;
/// Following lines are to create a tab object so that
/// we can use the new tab objects and functions
$tabrows = array();
$tabnumber = 0;
$row = array();
$inactive = array();
foreach ($data as $tab) {
$row[] = new tabobject($tabnumber, $tab->link, $tab->caption);
if (empty($tab->link)) {
$inactive[] = $tabnumber;
}
$tabnumber++;
if (($tabnumber % $tabsperrow) == 0) {
$tabrows[] = $row;
unset($row);
$row = array();
}
}
?>
<table cellspacing="0" class="glossarydisplay">
<tr>
<td width="100%">
<?php print_tabs($tabrows, $currenttab, $inactive);
?>
</td>
</tr>
<tr>
<td width="100%" class="entryboxheader"><hr /></td>
</tr>
<tr>
<td width="100%" class="entrybox">
<center>
<?php
}
function glossary_print_tabbed_table_end() {
echo "</td></tr></table></center>";
}
function glossary_print_approval_menu($cm, $glossary,$mode, $hook, $sortkey = '', $sortorder = '') {
if ($glossary->showalphabet) {
echo '<center>' . get_string("explainalphabet","glossary") . '</center><br />';
}
glossary_print_special_links($cm, $glossary, $mode, $hook);
glossary_print_alphabet_links($cm, $glossary, $mode, $hook,$sortkey, $sortorder);
glossary_print_all_links($cm, $glossary, $mode, $hook);
glossary_print_sorting_links($cm, $mode, 'CREATION', 'asc');
}
function glossary_print_addentry_menu($cm, $glossary, $mode, $hook, $sortkey='', $sortorder = '') {
echo '<center>' . get_string("explainaddentry","glossary") . '</center><br />';
}
function glossary_print_import_menu($cm, $glossary, $mode, $hook, $sortkey='', $sortorder = '') {
echo '<center>' . get_string("explainimport","glossary") . '</center><br />';
}
function glossary_print_export_menu($cm, $glossary, $mode, $hook, $sortkey='', $sortorder = '') {
echo '<center>' . get_string("explainexport","glossary") . '</center><br />';
}
function glossary_print_alphabet_menu($cm, $glossary, $mode, $hook, $sortkey='', $sortorder = '') {
if ( $mode != 'date' ) {
if ($glossary->showalphabet) {
echo '<center>' . get_string("explainalphabet","glossary") . '</center><br />';
}
glossary_print_special_links($cm, $glossary, $mode, $hook);
glossary_print_alphabet_links($cm, $glossary, $mode, $hook, $sortkey, $sortorder);
glossary_print_all_links($cm, $glossary, $mode, $hook);
} else {
glossary_print_sorting_links($cm, $mode, $sortkey,$sortorder);
}
}
function glossary_print_author_menu($cm, $glossary,$mode, $hook, $sortkey = '', $sortorder = '') {
if ($glossary->showalphabet) {
echo '<center>' . get_string("explainalphabet","glossary") . '</center><br />';
}
glossary_print_sorting_links($cm, $mode, $sortkey,$sortorder);
glossary_print_alphabet_links($cm, $glossary, $mode, $hook, $sortkey, $sortorder);
glossary_print_all_links($cm, $glossary, $mode, $hook);
}
function glossary_print_categories_menu($cm, $glossary, $hook, $category) {
global $CFG;
echo '<table border="0" width="100%">';
echo '<tr>';
echo '<td align="center" width="20%">';
if ( isteacher($glossary->course) ) {
$options['id'] = $cm->id;
$options['mode'] = 'cat';
$options['hook'] = $hook;
echo print_single_button("editcategories.php", $options, get_string("editcategories","glossary"), "get");
}
echo '</td>';
echo '<td align="center" width="60%">';
echo '<b>';
$menu[GLOSSARY_SHOW_ALL_CATEGORIES] = get_string("allcategories","glossary");
$menu[GLOSSARY_SHOW_NOT_CATEGORISED] = get_string("notcategorised","glossary");
$categories = get_records("glossary_categories", "glossaryid", $glossary->id, "name ASC");
$selected = '';
if ( $categories ) {
foreach ($categories as $currentcategory) {
$url = $currentcategory->id;
if ( $category ) {
if ($currentcategory->id == $category->id) {
$selected = $url;
}
}
$menu[$url] = clean_text($currentcategory->name); //Only clean, not filters
}
}
if ( !$selected ) {
$selected = GLOSSARY_SHOW_NOT_CATEGORISED;
}
if ( $category ) {
echo format_text($category->name);
} else {
if ( $hook == GLOSSARY_SHOW_NOT_CATEGORISED ) {
echo get_string("entrieswithoutcategory","glossary");
$selected = GLOSSARY_SHOW_NOT_CATEGORISED;
} elseif ( $hook == GLOSSARY_SHOW_ALL_CATEGORIES ) {
echo get_string("allcategories","glossary");
$selected = GLOSSARY_SHOW_ALL_CATEGORIES;
}
}
echo '</b></td>';
echo '<td align="center" width="20%">';
echo popup_form("$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&amp;mode=cat&amp;hook=", $menu, "catmenu", $selected, "",
"", "", false);
echo '</td>';
echo '</tr>';
echo '</table>';
}
function glossary_print_all_links($cm, $glossary, $mode, $hook) {
global $CFG;
if ( $glossary->showall) {
$strallentries = get_string("allentries", "glossary");
if ( $hook == 'ALL' ) {
echo "<b>$strallentries</b>";
} else {
$strexplainall = strip_tags(get_string("explainall","glossary"));
echo "<a title=\"$strexplainall\" href=\"$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&amp;mode=$mode&amp;hook=ALL\">$strallentries</a>";
}
}
}
function glossary_print_special_links($cm, $glossary, $mode, $hook) {
global $CFG;
if ( $glossary->showspecial) {
$strspecial = get_string("special", "glossary");
if ( $hook == 'SPECIAL' ) {
echo "<b>$strspecial</b> | ";
} else {
$strexplainspecial = strip_tags(get_string("explainspecial","glossary"));
echo "<a title=\"$strexplainspecial\" href=\"$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&amp;mode=$mode&amp;hook=SPECIAL\">$strspecial</a> | ";
}
}
}
function glossary_print_alphabet_links($cm, $glossary, $mode, $hook, $sortkey, $sortorder) {
global $CFG;
if ( $glossary->showalphabet) {
$alphabet = explode(",", get_string("alphabet"));
$letters_by_line = 14;
for ($i = 0; $i < count($alphabet); $i++) {
if ( $hook == $alphabet[$i] and $hook) {
echo "<b>$alphabet[$i]</b>";
} else {
echo "<a href=\"$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&amp;mode=$mode&amp;hook=$alphabet[$i]&amp;sortkey=$sortkey&amp;sortorder=$sortorder\">$alphabet[$i]</a>";
}
if ((int) ($i % $letters_by_line) != 0 or $i == 0) {
echo ' | ';
} else {
echo '<br />';
}
}
}
}
function glossary_print_sorting_links($cm, $mode, $sortkey = '',$sortorder = '') {
global $CFG;
$asc = get_string("ascending","glossary");
$desc = get_string("descending","glossary");
$bopen = '<b>';
$bclose = '</b>';
$neworder = '';
if ( $sortorder ) {
if ( $sortorder == 'asc' ) {
$neworder = '&amp;sortorder=desc';
$newordertitle = $desc;
} else {
$neworder = '&amp;sortorder=asc';
$newordertitle = $asc;
}
$icon = " <img src=\"$sortorder.gif\" border=\"0\" width=\"16\" height=\"16\" alt=\"\" />";
} else {
if ( $sortkey != 'CREATION' and $sortkey != 'UPDATE' and
$sortkey != 'FIRSTNAME' and $sortkey != 'LASTNAME' ) {
$icon = "";
$newordertitle = $asc;
} else {
$newordertitle = $desc;
$neworder = '&amp;sortorder=desc';
$icon = ' <img src="asc.gif" border="0" width="16" height="16" alt="" />';
}
}
$ficon = '';
$fneworder = '';
$fbtag = '';
$fendbtag = '';
$sicon = '';
$sneworder = '';
$sbtag = '';
$fbtag = '';
$fendbtag = '';
$sendbtag = '';
$sendbtag = '';
if ( $sortkey == 'CREATION' or $sortkey == 'FIRSTNAME' ) {
$ficon = $icon;
$fneworder = $neworder;
$fordertitle = $newordertitle;
$sordertitle = $asc;
$fbtag = $bopen;
$fendbtag = $bclose;
} elseif ($sortkey == 'UPDATE' or $sortkey == 'LASTNAME') {
$sicon = $icon;
$sneworder = $neworder;
$fordertitle = $asc;
$sordertitle = $newordertitle;
$sbtag = $bopen;
$sendbtag = $bclose;
} else {
$fordertitle = $asc;
$sordertitle = $asc;
}
if ( $sortkey == 'CREATION' or $sortkey == 'UPDATE' ) {
$forder = 'CREATION';
$sorder = 'UPDATE';
$fsort = get_string("sortbycreation", "glossary");
$ssort = get_string("sortbylastupdate", "glossary");
$sort = get_string("sortchronogically", "glossary");
} elseif ( $sortkey == 'FIRSTNAME' or $sortkey == 'LASTNAME') {
$forder = 'FIRSTNAME';
$sorder = 'LASTNAME';
$fsort = get_string("firstname");
$ssort = get_string("lastname");
$sort = get_string("sortby", "glossary");
}
echo "<br />$sort: $sbtag<a title=\"$ssort $sordertitle\" href=\"$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&amp;sortkey=$sorder$sneworder&amp;mode=$mode\">$ssort$sicon</a>$sendbtag | ".
"$fbtag<a title=\"$fsort $fordertitle\" href=\"$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&amp;sortkey=$forder$fneworder&amp;mode=$mode\">$fsort$ficon</a>$fendbtag<br />";
}
function glossary_sort_entries ( $entry0, $entry1 ) {
if ( strtolower(ltrim($entry0->concept)) < strtolower(ltrim($entry1->concept)) ) {
return -1;
} elseif ( strtolower(ltrim($entry0->concept)) > strtolower(ltrim($entry1->concept)) ) {
return 1;
} else {
return 0;
}
}
function glossary_print_comment($course, $cm, $glossary, $entry, $comment) {
global $CFG, $USER;
$user = get_record('user', 'id', $comment->userid);
$strby = get_string('writtenby','glossary');
$fullname = fullname($user, isteacher($course->id));
echo '<center>';
echo '<table class="glossarycomment" cellspacing="0">';
echo '<tr valign="top">';
echo '<tr><td class="left picture">';
print_user_picture($user->id, $course->id, $user->picture);
echo '</td>';
echo '<td class="entryheader">';
echo "<span class=\"author\"><a href=\"$CFG->wwwroot/user/view.php?id=$user->id&amp;course=$course->id\">$fullname</a></span><br />";
echo '<span class="time">'.get_string('lastedited').': '.userdate($comment->timemodified).'</span>';
echo '</td></tr>';
echo '<tr valign="top"><td class="left side">';
echo '&nbsp;';
echo '</td><td class="entry">';
echo format_text($comment->comment, $comment->format);
echo '<div class="icons commands">';
$ineditperiod = ((time() - $comment->timemodified < $CFG->maxeditingtime) || $glossary->editalways);
if ( ($glossary->allowcomments && $ineditperiod && $USER->id == $comment->userid) || isteacher($course->id) ) {
echo "<a href=\"comment.php?id=$cm->id&amp;eid=$entry->id&amp;cid=$comment->id&amp;action=edit\"><img
alt=\"" . get_string("edit") . "\" src=\"$CFG->pixpath/t/edit.gif\" height=\"11\" width=\"11\" border=\"0\" /></a> ";
}
if ( ($glossary->allowcomments && $USER->id == $comment->userid) || isteacher($course->id) ) {
echo "<a href=\"comment.php?id=$cm->id&amp;eid=$entry->id&amp;cid=$comment->id&amp;action=delete\"><img
alt=\"" . get_string("delete") . "\" src=\"$CFG->pixpath/t/delete.gif\" height=\"11\" width=\"11\" border=\"0\" /></a>";
}
echo '</div></td></tr>';
echo '</table></center>';
}
function glossary_print_entry_ratings($course, $entry, $ratings = NULL) {
global $USER;
$ratingsmenuused = false;
if (!empty($ratings) and !empty($USER->id)) {
$useratings = true;
if ($ratings->assesstimestart and $ratings->assesstimefinish) {
if ($entry->timecreated < $ratings->assesstimestart or $entry->timecreated > $ratings->assesstimefinish) {
$useratings = false;
}
}
if ($useratings) {
if (isteacher($course->id)) {
glossary_print_ratings_mean($entry->id, $ratings->scale);
if ($USER->id != $entry->userid) {
glossary_print_rating_menu($entry->id, $USER->id, $ratings->scale);
$ratingsmenuused = true;
}
} else if ($USER->id == $entry->userid) {
glossary_print_ratings_mean($entry->id, $ratings->scale);
} else if (!empty($ratings->allow) ) {
glossary_print_rating_menu($entry->id, $USER->id, $ratings->scale);
$ratingsmenuused = true;
}
}
}
return $ratingsmenuused;
}
function glossary_print_dynaentry($courseid, $entries, $displayformat = -1) {
global $USER,$CFG;
echo '<center>';
echo '<table class="glossarypopup" cellspacing="0"><tr>';
echo '<td>';
if ( $entries ) {
foreach ( $entries as $entry ) {
if (! $glossary = get_record('glossary', 'id', $entry->glossaryid)) {
error('Glossary ID was incorrect or no longer exists');
}
if (! $course = get_record('course', 'id', $glossary->course)) {
error('Glossary is misconfigured - don\'t know what course it\'s from');
}
if (!$cm = get_coursemodule_from_instance('glossary', $entry->glossaryid, $glossary->course) ) {
error('Glossary is misconfigured - don\'t know what course module it is');
}
//If displayformat is present, override glossary->displayformat
if ($displayformat < 0) {
$dp = $glossary->displayformat;
} else {
$dp = $displayformat;
}
//Get popupformatname
$format = get_record('glossary_formats','name',$dp);
$displayformat = $format->popupformatname;
//Check displayformat variable and set to default if necessary
if (!$displayformat) {
$displayformat = 'dictionary';
}
$formatfile = $CFG->dirroot.'/mod/glossary/formats/'.$displayformat.'/'.$displayformat.'_format.php';
$functionname = 'glossary_show_entry_'.$displayformat;
if (file_exists($formatfile)) {
include_once($formatfile);
if (function_exists($functionname)) {
$functionname($course, $cm, $glossary, $entry,'','','','');
}
}
}
}
echo '</td>';
echo '</tr></table></center>';
}
function glossary_generate_export_file($glossary, $hook = "", $hook = 0) {
global $CFG;
glossary_check_moddata_dir($glossary);
if (!$h = glossary_open_xml($glossary)) {
error("An error occurred while opening a file to write to.");
}
$status = fwrite ($h,glossary_start_tag("INFO",1,true));
fwrite ($h,glossary_full_tag("NAME",2,false,$glossary->name));
fwrite ($h,glossary_full_tag("INTRO",2,false,$glossary->intro));
fwrite ($h,glossary_full_tag("STUDENTCANPOST",2,false,$glossary->studentcanpost));
fwrite ($h,glossary_full_tag("ALLOWDUPLICATEDENTRIES",2,false,$glossary->allowduplicatedentries));
fwrite ($h,glossary_full_tag("DISPLAYFORMAT",2,false,$glossary->displayformat));
fwrite ($h,glossary_full_tag("SHOWSPECIAL",2,false,$glossary->showspecial));
fwrite ($h,glossary_full_tag("SHOWALPHABET",2,false,$glossary->showalphabet));
fwrite ($h,glossary_full_tag("SHOWALL",2,false,$glossary->showall));
fwrite ($h,glossary_full_tag("ALLOWCOMMENTS",2,false,$glossary->allowcomments));
fwrite ($h,glossary_full_tag("USEDYNALINK",2,false,$glossary->usedynalink));
fwrite ($h,glossary_full_tag("DEFAULTAPPROVAL",2,false,$glossary->defaultapproval));
fwrite ($h,glossary_full_tag("GLOBALGLOSSARY",2,false,$glossary->globalglossary));
fwrite ($h,glossary_full_tag("ENTBYPAGE",2,false,$glossary->entbypage));
if ( $entries = get_records("glossary_entries","glossaryid",$glossary->id) ) {
$status = fwrite ($h,glossary_start_tag("ENTRIES",2,true));
foreach ($entries as $entry) {
$permissiongranted = 1;
if ( $hook ) {
switch ( $hook ) {
case "ALL":
case "SPECIAL":
break;
default:
$permissiongranted = ($entry->concept[ strlen($hook)-1 ] == $hook);
break;
}
}
if ( $hook ) {
switch ( $hook ) {
case GLOSSARY_SHOW_ALL_CATEGORIES:
break;
case GLOSSARY_SHOW_NOT_CATEGORISED:
$permissiongranted = !record_exists("glossary_entries_categories","entryid",$entry->id);
break;
default:
$permissiongranted = record_exists("glossary_entries_categories","entryid",$entry->id, "categoryid",$hook);
break;
}
}
if ( $entry->approved and $permissiongranted ) {
$status = fwrite($h,glossary_start_tag("ENTRY",3,true));
fwrite($h,glossary_full_tag("CONCEPT",4,false,trim($entry->concept)));
fwrite($h,glossary_full_tag("DEFINITION",4,false,$entry->definition));
fwrite($h,glossary_full_tag("FORMAT",4,false,$entry->format));
fwrite($h,glossary_full_tag("USEDYNALINK",4,false,$entry->usedynalink));
fwrite($h,glossary_full_tag("CASESENSITIVE",4,false,$entry->casesensitive));
fwrite($h,glossary_full_tag("FULLMATCH",4,false,$entry->fullmatch));
fwrite($h,glossary_full_tag("TEACHERENTRY",4,false,$entry->teacherentry));
if ( $aliases = get_records("glossary_alias","entryid",$entry->id) ) {
$status = fwrite ($h,glossary_start_tag("ALIASES",4,true));
foreach ($aliases as $alias) {
$status = fwrite ($h,glossary_start_tag("ALIAS",5,true));
fwrite($h,glossary_full_tag("NAME",6,false,trim($alias->alias)));
$status = fwrite($h,glossary_end_tag("ALIAS",5,true));
}
$status = fwrite($h,glossary_end_tag("ALIASES",4,true));
}
if ( $catentries = get_records("glossary_entries_categories","entryid",$entry->id) ) {
$status = fwrite ($h,glossary_start_tag("CATEGORIES",4,true));
foreach ($catentries as $catentry) {
$category = get_record("glossary_categories","id",$catentry->categoryid);
$status = fwrite ($h,glossary_start_tag("CATEGORY",5,true));
fwrite($h,glossary_full_tag("NAME",6,false,$category->name));
fwrite($h,glossary_full_tag("USEDYNALINK",6,false,$category->usedynalink));
$status = fwrite($h,glossary_end_tag("CATEGORY",5,true));
}
$status = fwrite($h,glossary_end_tag("CATEGORIES",4,true));
}
$status =fwrite($h,glossary_end_tag("ENTRY",3,true));
}
}
$status =fwrite ($h,glossary_end_tag("ENTRIES",2,true));
}
$status =fwrite ($h,glossary_end_tag("INFO",1,true));
$h = glossary_close_xml($h);
}
// Functions designed by Eloy Lafuente
//
//Function to create, open and write header of the xml file
function glossary_open_xml($glossary) {
global $CFG;
$status = true;
//Open for writing
$glossaryname = clean_filename(strip_tags($glossary->name));
$pathname = make_upload_directory("$glossary->course/glossary/$glossaryname");
$filename = "$pathname/glossary.xml";
if (!$h = fopen($filename,"w")) {
notify("Error opening '$filename'");
return false;
}
//Writes the header
$status = fwrite ($h,"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
if ($status) {
$status = fwrite ($h,glossary_start_tag("GLOSSARY",0,true));
}
if ($status) {
return $h;
} else {
return false;
}
}
function glossary_read_imported_file($file) {
require_once "../../lib/xmlize.php";
$h = fopen($file,"r");
$line = '';
if ($h) {
while ( !feof($h) ) {
$char = fread($h,1024);
$line .= $char;
}
fclose($h);
}
return xmlize($line, 0);
}
//Close the file
function glossary_close_xml($h) {
$status = fwrite ($h,glossary_end_tag("GLOSSARY",0,true));
return fclose($h);
}
//Return the xml start tag
function glossary_start_tag($tag,$level=0,$endline=false) {
if ($endline) {
$endchar = "\n";
} else {
$endchar = "";
}
return str_repeat(" ",$level*2)."<".strtoupper($tag).">".$endchar;
}
//Return the xml end tag
function glossary_end_tag($tag,$level=0,$endline=true) {
if ($endline) {
$endchar = "\n";
} else {
$endchar = "";
}
return str_repeat(" ",$level*2)."</".strtoupper($tag).">".$endchar;
}
//Return the start tag, the contents and the end tag
function glossary_full_tag($tag,$level=0,$endline=true,$content,$to_utf=true) {
$st = glossary_start_tag($tag,$level,$endline);
$co="";
if ($to_utf) {
$co = preg_replace("/\r\n|\r/", "\n", utf8_encode(htmlspecialchars($content)));
} else {
$co = preg_replace("/\r\n|\r/", "\n", htmlspecialchars($content));
}
$et = glossary_end_tag($tag,0,true);
return $st.$co.$et;
}
//Function to check and create the needed moddata dir to
//save all the mod backup files. We always name it moddata
//to be able to restore it, but in restore we check for
//$CFG->moddata !!
function glossary_check_moddata_dir($glossary) {
global $CFG;
$status = glossary_check_dir_exists($CFG->dataroot."/$glossary->course",true);
if ( $status ) {
$status = glossary_check_dir_exists($CFG->dataroot."/$glossary->course/glossary",true);
if ( $status ) {
$status = glossary_check_dir_exists($CFG->dataroot."/$glossary->course/glossary/". clean_filename($glossary->name),true);
}
}
return $status;
}
//Function to check if a directory exists
//and, optionally, create it
function glossary_check_dir_exists($dir,$create=false) {
global $CFG;
$status = true;
if(!is_dir($dir)) {
if (!$create) {
$status = false;
} else {
umask(0000);
$status = mkdir ($dir,$CFG->directorypermissions);
}
}
return $status;
}
/*
* Adding grading functions
*/
function glossary_get_ratings($entryid, $sort="u.firstname ASC") {
/// Returns a list of ratings for a particular entry - sorted.
global $CFG;
return get_records_sql("SELECT u.*, r.rating, r.time
FROM {$CFG->prefix}glossary_ratings r,
{$CFG->prefix}user u
WHERE r.entryid = '$entryid'
AND r.userid = u.id
ORDER BY $sort");
}
function glossary_get_user_grades($glossaryid) {
/// Get all user grades for a glossary
global $CFG;
return get_records_sql("SELECT r.id, e.userid, r.rating
FROM {$CFG->prefix}glossary_entries e,
{$CFG->prefix}glossary_ratings r
WHERE e.glossaryid = '$glossaryid'
AND r.entryid = e.id
ORDER by e.userid ");
}
function glossary_count_unrated_entries($glossaryid, $userid) {
// How many unrated entries are in the given glossary for a given user?
global $CFG;
if ($entries = get_record_sql("SELECT count(*) as num
FROM {$CFG->prefix}glossary_entries
WHERE glossaryid = '$glossaryid'
AND userid <> '$userid' ")) {
if ($rated = get_record_sql("SELECT count(*) as num
FROM {$CFG->prefix}glossary_entries e,
{$CFG->prefix}glossary_ratings r
WHERE e.glossaryid = '$glossaryid'
AND e.id = r.entryid
AND r.userid = '$userid'")) {
$difference = $entries->num - $rated->num;
if ($difference > 0) {
return $difference;
} else {
return 0; // Just in case there was a counting error
}
} else {
return $entries->num;
}
} else {
return 0;
}
}
function glossary_print_ratings_mean($entryid, $scale) {
/// Print the multiple ratings on a entry given to the current user by others.
/// Scale is an array of ratings
static $strrate;
$mean = glossary_get_ratings_mean($entryid, $scale);
if ($mean !== "") {
if (empty($strratings)) {
$strratings = get_string("ratings", "glossary");
}
echo "$strratings: ";
link_to_popup_window ("/mod/glossary/report.php?id=$entryid", "ratings", $mean, 400, 600);
}
}
function glossary_get_ratings_mean($entryid, $scale, $ratings=NULL) {
/// Return the mean rating of a entry given to the current user by others.
/// Scale is an array of possible ratings in the scale
/// Ratings is an optional simple array of actual ratings (just integers)
if (!$ratings) {
$ratings = array();
if ($rates = get_records("glossary_ratings", "entryid", $entryid)) {
foreach ($rates as $rate) {
$ratings[] = $rate->rating;
}
}
}
$count = count($ratings);
if ($count == 0) {
return "";
} else if ($count == 1) {
return $scale[$ratings[0]];
} else {
$total = 0;
foreach ($ratings as $rating) {
$total += $rating;
}
$mean = round( ((float)$total/(float)$count) + 0.001); // Little fudge factor so that 0.5 goes UP
if (isset($scale[$mean])) {
return $scale[$mean]." ($count)";
} else {
return "$mean ($count)"; // Should never happen, hopefully
}
}
}
function glossary_get_ratings_summary($entryid, $scale, $ratings=NULL) {
/// Return a summary of entry ratings given to the current user by others.
/// Scale is an array of possible ratings in the scale
/// Ratings is an optional simple array of actual ratings (just integers)
if (!$ratings) {
$ratings = array();
if ($rates = get_records("glossary_ratings", "entryid", $entryid)) {
foreach ($rates as $rate) {
$rating[] = $rate->rating;
}
}
}
if (!$count = count($ratings)) {
return "";
}
foreach ($scale as $key => $scaleitem) {
$sumrating[$key] = 0;
}
foreach ($ratings as $rating) {
$sumrating[$rating]++;
}
$summary = "";
foreach ($scale as $key => $scaleitem) {
$summary = $sumrating[$key].$summary;
if ($key > 1) {
$summary = "/$summary";
}
}
return $summary;
}
function glossary_print_rating_menu($entryid, $userid, $scale) {
/// Print the menu of ratings as part of a larger form.
/// If the entry has already been - set that value.
/// Scale is an array of ratings
static $strrate;
if (!$rating = get_record("glossary_ratings", "userid", $userid, "entryid", $entryid)) {
$rating->rating = -999;
}
if (empty($strrate)) {
$strrate = get_string("rate", "glossary");
}
choose_from_menu($scale, $entryid, $rating->rating, "$strrate...",'',-999);
}
function glossary_get_paging_bar($totalcount, $page, $perpage, $baseurl, $maxpageallowed=99999, $maxdisplay=20, $separator="&nbsp;", $specialtext="", $specialvalue=-1, $previousandnext = true) {
// Returns the html code to represent any pagging bar. Paramenters are:
//
// Mandatory:
// $totalcount: total number of records to be displayed
// $page: page currently selected (0 based)
// $perpage: number of records per page
// $baseurl: url to link in each page, the string 'page=XX' will be added automatically.
// Optional:
// $maxpageallowed: maximum number of page allowed.
// $maxdisplay: maximum number of page links to show in the bar
// $separator: string to be used between pages in the bar
// $specialtext: string to be showed as an special link
// $specialvalue: value (page) to be used in the special link
// $previousandnext: to decide if we want the previous and next links
//
// The function dinamically show the first and last pages, and "scroll" over pages.
// Fully compatible with Moodle's print_paging_bar() function. Perhaps some day this
// could replace the general one. ;-)
$code = '';
$showspecial = false;
$specialselected = false;
//Check if we have to show the special link
if (!empty($specialtext)) {
$showspecial = true;
}
//Check if we are with the special link selected
if ($showspecial && $page == $specialvalue) {
$specialselected = true;
}
//If there are results (more than 1 page)
if ($totalcount > $perpage) {
$code .= "<center>";
$code .= "<p>".get_string("page").":";
$maxpage = (int)(($totalcount-1)/$perpage);
//Lower and upper limit of page
if ($page < 0) {
$page = 0;
}
if ($page > $maxpageallowed) {
$page = $maxpageallowed;
}
if ($page > $maxpage) {
$page = $maxpage;
}
//Calculate the window of pages
$pagefrom = $page - ((int)($maxdisplay / 2));
if ($pagefrom < 0) {
$pagefrom = 0;
}
$pageto = $pagefrom + $maxdisplay - 1;
if ($pageto > $maxpageallowed) {
$pageto = $maxpageallowed;
}
if ($pageto > $maxpage) {
$pageto = $maxpage;
}
//Some movements can be necessary if don't see enought pages
if ($pageto - $pagefrom < $maxdisplay - 1) {
if ($pageto - $maxdisplay + 1 > 0) {
$pagefrom = $pageto - $maxdisplay + 1;
}
}
//Calculate first and last if necessary
$firstpagecode = '';
$lastpagecode = '';
if ($pagefrom > 0) {
$firstpagecode = "$separator<a href=\"{$baseurl}page=0\">1</a>";
if ($pagefrom > 1) {
$firstpagecode .= "$separator...";
}
}
if ($pageto < $maxpage) {
if ($pageto < $maxpage -1) {
$lastpagecode = "$separator...";
}
$lastpagecode .= "$separator<a href=\"{$baseurl}page=$maxpage\">".($maxpage+1)."</a>";
}
//Previous
if ($page > 0 && $previousandnext) {
$pagenum = $page - 1;
$code .= "&nbsp;(<a href=\"{$baseurl}page=$pagenum\">".get_string("previous")."</a>)&nbsp;";
}
//Add first
$code .= $firstpagecode;
$pagenum = $pagefrom;
//List of maxdisplay pages
while ($pagenum <= $pageto) {
$pagetoshow = $pagenum +1;
if ($pagenum == $page && !$specialselected) {
$code .= "$separator$pagetoshow";
} else {
$code .= "$separator<a href=\"{$baseurl}page=$pagenum\">$pagetoshow</a>";
}
$pagenum++;
}
//Add last
$code .= $lastpagecode;
//Next
if ($page < $maxpage && $page < $maxpageallowed && $previousandnext) {
$pagenum = $page + 1;
$code .= "$separator(<a href=\"{$baseurl}page=$pagenum\">".get_string("next")."</a>)";
}
//Add special
if ($showspecial) {
$code .= '<br />';
if ($specialselected) {
$code .= $specialtext;
} else {
$code .= "$separator<a href=\"{$baseurl}page=$specialvalue\">$specialtext</a>";
}
}
//End html
$code .= "</p>";
$code .= "</center>";
}
return $code;
}
?>