Bump style version for r39776.
[lhc/web/wiklou.git] / includes / AjaxFunctions.php
index 8631b4e..9e892f1 100644 (file)
@@ -1,7 +1,12 @@
 <?php
+/**
+ * @file
+ * @ingroup Ajax
+ */
 
-if( !defined( 'MEDIAWIKI' ) )
-        die( 1 );
+if( !defined( 'MEDIAWIKI' ) ) {
+       die( 1 );
+}
 
 /**
  * Function converts an Javascript escaped string back into a string with
@@ -13,45 +18,44 @@ if( !defined( 'MEDIAWIKI' ) )
  * @return string
  */
 function js_unescape($source, $iconv_to = 'UTF-8') {
-   $decodedStr = '';
-   $pos = 0;
-   $len = strlen ($source);
-   while ($pos < $len) {
-       $charAt = substr ($source, $pos, 1);
-       if ($charAt == '%') {
-           $pos++;
-           $charAt = substr ($source, $pos, 1);
-           if ($charAt == 'u') {
-               // we got a unicode character
-               $pos++;
-               $unicodeHexVal = substr ($source, $pos, 4);
-               $unicode = hexdec ($unicodeHexVal);
-               $decodedStr .= code2utf($unicode);
-               $pos += 4;
-           }
-           else {
-               // we have an escaped ascii character
-               $hexVal = substr ($source, $pos, 2);
-               $decodedStr .= chr (hexdec ($hexVal));
-               $pos += 2;
-           }
-       }
-       else {
-           $decodedStr .= $charAt;
-           $pos++;
-       }
-   }
+       $decodedStr = '';
+       $pos = 0;
+       $len = strlen ($source);
+
+       while ($pos < $len) {
+               $charAt = substr ($source, $pos, 1);
+               if ($charAt == '%') {
+                       $pos++;
+                       $charAt = substr ($source, $pos, 1);
+                       if ($charAt == 'u') {
+                               // we got a unicode character
+                               $pos++;
+                               $unicodeHexVal = substr ($source, $pos, 4);
+                               $unicode = hexdec ($unicodeHexVal);
+                               $decodedStr .= code2utf($unicode);
+                               $pos += 4;
+                       } else {
+                               // we have an escaped ascii character
+                               $hexVal = substr ($source, $pos, 2);
+                               $decodedStr .= chr (hexdec ($hexVal));
+                               $pos += 2;
+                       }
+               } else {
+                       $decodedStr .= $charAt;
+                       $pos++;
+               }
+       }
+
+       if ($iconv_to != "UTF-8") {
+               $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
+       }
 
-   if ($iconv_to != "UTF-8") {
-       $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
-   }
-   return $decodedStr;
+       return $decodedStr;
 }
 
 /**
  * Function coverts number of utf char into that character.
- * Function taken from: http://sk2.php.net/manual/en/function.utf8-encode.php#49336
+ * Function taken from: http://www.php.net/manual/en/function.utf8-encode.php#49336
  *
  * @param $num Integer
  * @return utf8char
@@ -68,202 +72,56 @@ function code2utf($num){
    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 .= '<li>' . $l->makeKnownLinkObj( $nt ) . "</li>\n";
-       }
-       if ( $i > $limit ) {
-               $more = '<i>' .  $l->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
-                                               wfMsg('moredotdotdot'),
-                                               "namespace=0&from=" . wfUrlEncode ( $term ) ) .
-                       '</i>';
-       } else {
-               $more = '';
-       }
-
-       $subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
-       $subtitle = $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) ); #FIXME: parser is missing mTitle !
-
-       $term = urlencode( $term );
-       $html = '<div style="float:right; border:solid 1px black;background:gainsboro;padding:2px;"><a onclick="Searching_Hide_Results();">'
-               . wfMsg( 'hideresults' ) . '</a></div>'
-               . '<h1 class="firstHeading">'.wfMsg('search')
-               . '</h1><div id="contentSub">'. $subtitle . '</div><ul><li>'
-               . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
-                                       wfMsg( 'searchcontaining', $term ),
-                                       "search=$term&fulltext=Search" )
-               . '</li><li>' . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
-                                       wfMsg( 'searchnamed', $term ) ,
-                                       "search=$term&go=Go" )
-               . "</li></ul><h2>" . wfMsg( 'articletitles', $term ) . "</h2>"
-               . '<ul>' .$r .'</ul>'.$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 $pagename Prefixed title string for page to watch/unwatch
  * @param $watch String 'w' to watch, 'u' to unwatch
- * @return String '<w#>' or '<u#>' on successful watch or unwatch, respectively, or '<err#>' on error (invalid XML in case we want to add HTML sometime)
+ * @return String '<w#>' or '<u#>' on successful watch or unwatch,
+ *   respectively, followed by an HTML message to display in the alert box; or
+ *   '<err#>' on error
  */
-function wfAjaxWatch($pageID = "", $watch = "") {
-       if(wfReadOnly())
-               return '<err#>'; // redirect to action=(un)watch, which will display the database lock message
+function wfAjaxWatch($pagename = "", $watch = "") {
+       if(wfReadOnly()) {
+               // redirect to action=(un)watch, which will display the database lock
+               // message
+               return '<err#>';
+       }
 
-       if(('w' !== $watch && 'u' !== $watch) || !is_numeric($pageID))
+       if('w' !== $watch && 'u' !== $watch) {
                return '<err#>';
+       }
        $watch = 'w' === $watch;
-       $pageID = intval($pageID);
 
-       $title = Title::newFromID($pageID);
-       if(!$title)
+       $title = Title::newFromDBkey($pagename);
+       if(!$title) {
+               // Invalid title
                return '<err#>';
+       }
        $article = new Article($title);
        $watching = $title->userIsWatching();
 
        if($watch) {
                if(!$watching) {
-                       $dbw =& wfGetDB(DB_MASTER);
+                       $dbw = wfGetDB(DB_MASTER);
                        $dbw->begin();
-                       $article->doWatch();
+                       $ok = $article->doWatch();
                        $dbw->commit();
                }
        } else {
                if($watching) {
-                       $dbw =& wfGetDB(DB_MASTER);
+                       $dbw = wfGetDB(DB_MASTER);
                        $dbw->begin();
-                       $article->doUnwatch();
+                       $ok = $article->doUnwatch();
                        $dbw->commit();
                }
        }
-
-       return $watch ? '<w#>' : '<u#>';
-}
-
-/**
- * Return a list of Editors currently editing the article.
- * Based on an idea by Tim Starling.
- *
- * @author Ashar Voultoiz <hashar@altern.org>
- * @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
-                       );
-
-
-               $wikitext .= ' ' . wfMsg( 'ajax-se-idling', '<span>'.$idle.'</span>' );
+       // Something stopped the change
+       if( isset($ok) && !$ok ) {
+               return '<err#>';
+       }
+       if( $watch ) {
+               return '<w#>'.wfMsgExt( 'addedwatchtext', array( 'parse' ), $title->getPrefixedText() );
+       } else {
+               return '<u#>'.wfMsgExt( 'removedwatchtext', array( 'parse' ), $title->getPrefixedText() );
        }
-       return $wikitext ;
 }
-?>