>6)+192).chr(($num&63)+128);
if ( $num<65536 )
return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
if ( $num<2097152 )
return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
return '';
}
function wfSajaxSearch( $term ) {
global $wgContLang, $wgOut;
$limit = 16;
$l = new Linker;
$term = str_replace( ' ', '_', $wgContLang->ucfirst(
$wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) )
) );
if ( strlen( str_replace( '_', '', $term ) )<3 )
return;
$db =& wfGetDB( DB_SLAVE );
$res = $db->select( 'page', 'page_title',
array( 'page_namespace' => 0,
"page_title LIKE '". $db->strencode( $term) ."%'" ),
"wfSajaxSearch",
array( 'LIMIT' => $limit+1 )
);
$r = "";
$i=0;
while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
$nt = Title::newFromDBkey( $row->page_title );
$r .= '' . $l->makeKnownLinkObj( $nt ) . "\n";
}
if ( $i > $limit ) {
$more = '' . $l->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
wfMsg('moredotdotdot'),
"namespace=0&from=" . wfUrlEncode ( $term ) ) .
'';
} else {
$more = '';
}
$subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
$subtitle = $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) ); #FIXME: parser is missing mTitle !
$term = urlencode( $term );
$html = ''
. ''.wfMsg('search')
. '
'. $subtitle . '
- '
. $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
wfMsg( 'searchcontaining', $term ),
"search=$term&fulltext=Search" )
. '
- ' . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
wfMsg( 'searchnamed', $term ) ,
"search=$term&go=Go" )
. "
" . wfMsg( 'articletitles', $term ) . "
"
. ''.$more;
$response = new AjaxResponse( $html );
$response->setCacheDuration( 30*60 );
return $response;
}
/**
* Called for AJAX watch/unwatch requests.
* @param $pageID Integer ID of the page to be watched/unwatched
* @param $watch String 'w' to watch, 'u' to unwatch
* @return String '' or '' on successful watch or unwatch, respectively, or '' on error (invalid XML in case we want to add HTML sometime)
*/
function wfAjaxWatch($pageID = "", $watch = "") {
if(wfReadOnly())
return ''; // redirect to action=(un)watch, which will display the database lock message
if(('w' !== $watch && 'u' !== $watch) || !is_numeric($pageID))
return '';
$watch = 'w' === $watch;
$pageID = intval($pageID);
$title = Title::newFromID($pageID);
if(!$title)
return '';
$article = new Article($title);
$watching = $title->userIsWatching();
if($watch) {
if(!$watching) {
$dbw =& wfGetDB(DB_MASTER);
$dbw->begin();
$article->doWatch();
$dbw->commit();
}
} else {
if($watching) {
$dbw =& wfGetDB(DB_MASTER);
$dbw->begin();
$article->doUnwatch();
$dbw->commit();
}
}
return $watch ? '' : '';
}
/**
* Return a list of Editors currently editing the article.
* Based on an idea by Tim Starling.
*
* @author Ashar Voultoiz
* @author Tim Starling
*/
function wfAjaxShowEditors( $articleId, $username ) {
global $wgOut;
$articleId = intval($articleId);
// Validate request
$title = Title::newFromID( $articleId );
if( !($title) ) { return 'ERR: page id invalid'; }
$user = User::newFromSession() ;
if( !$user ) { return 'ERR: user invalid'; }
$username = $user->getName();
if( !( $user->isLoggedIn() or User::isIP( $username ) ) ) { return 'ERR: user not found'; }
// When did the user started editing ?
$dbr =& wfGetDB(DB_SLAVE);
$userStarted = $dbr->selectField( 'editings',
'editings_started',
array(
'editings_user' => $username,
'editings_page' => $title->getArticleID(),
),
__METHOD__
);
// He just started editing, assume NOW
if(!$userStarted) { $userStarted = $dbr->timestamp(); }
# Either create a new entry or update the touched timestamp.
# This is done using a unique index on the database :
# `editings_page_started` (`editings_page`,`editings_user`,`editings_started`)
$dbw =& wfGetDB(DB_MASTER);
$dbw->replace( 'editings',
array( 'editings_page', 'editings_user', 'editings_started' ),
array(
'editings_page' => $title->getArticleID() ,
'editings_user' => $username,
'editings_started' => $userStarted ,
'editings_touched' => $dbw->timestamp(),
), __METHOD__
);
// Now we get the list of all watching users
$dbr = & wfGetDB(DB_SLAVE);
$res = $dbr->select( 'editings',
array( 'editings_user','editings_started','editings_touched' ),
array( 'editings_page' => $title->getArticleID() ),
__METHOD__
);
$l = new Linker();
$wikitext = '';
$unix_now = wfTimestamp(TS_UNIX);
$first = 1;
while( $editor = $dbr->fetchObject( $res ) ) {
// Check idling time
$idle = $unix_now - wfTimestamp( TS_UNIX, $editor->editings_touched );
global $wgAjaxShowEditorsTimeout ;
if( $idle >= $wgAjaxShowEditorsTimeout ) {
$dbw->delete('editings',
array(
'editings_page' => $title->getArticleID(),
'editings_user' => $editor->editings_user,
),
__METHOD__
);
continue; // we will not show the user
}
if( $first ) { $first = 0; }
else { $wikitext .= ' ~ '; }
$since = wfTimestamp( TS_DB, $editor->editings_started );
$wikitext .= $since;
$wikitext .= ' ' . $l->makeLinkObj(
Title::makeTitle( NS_USER, $editor->editings_user ),
$editor->editings_user
);
$wikitext .= ' ' . wfMsg( 'ajax-se-idling', ''.$idle.'' );
}
return $wikitext ;
}
?>