Revert r28215: incorrectly moved files
[lhc/web/wiklou.git] / includes / Skin.php
index a2d38f6..1001572 100644 (file)
@@ -2,18 +2,15 @@
 if ( ! defined( 'MEDIAWIKI' ) )
        die( 1 );
 
-/**
- *
- * @package MediaWiki
- * @subpackage Skins
- */
-
 # See skin.txt
 
 /**
  * The main skin class that provide methods and properties for all other skins.
  * This base class is also the "Standard" skin.
- * @package MediaWiki
+ *
+ * See docs/skin.txt for more information.
+ *
+ * @addtogroup Skins
  */
 class Skin extends Linker {
        /**#@+
@@ -23,17 +20,20 @@ class Skin extends Linker {
        var $rc_cache ; # Cache for Enhanced Recent Changes
        var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
        var $rcMoveIndex;
+       var $mWatchLinkNum = 0; // Appended to end of watch link id's
        /**#@-*/
+       protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
+       protected $skinname = 'standard' ;
 
        /** Constructor, call parent constructor */
-       function Skin() { parent::Linker(); }
+       function Skin() { parent::__construct(); }
 
        /**
         * Fetch the set of available skins.
         * @return array of strings
         * @static
         */
-       static function &getSkinNames() {
+       static function getSkinNames() {
                global $wgValidSkinNames;
                static $skinsInitialised = false;
                if ( !$skinsInitialised ) {
@@ -48,6 +48,7 @@ class Skin extends Linker {
                        # while code from www.php.net
                        while (false !== ($file = $skinDir->read())) {
                                // Skip non-PHP files, hidden files, and '.dep' includes
+                               $matches = array();
                                if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
                                        $aSkin = $matches[1];
                                        $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
@@ -116,10 +117,9 @@ class Skin extends Linker {
                $skinName = $skinNames[$key];
 
                # Grab the skin class and initialise it.
-               wfSuppressWarnings();
                // Preload base classes to work around APC/PHP5 bug
-               include_once( "{$wgStyleDirectory}/{$skinName}.deps.php" );
-               wfRestoreWarnings();
+               $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
+               if( file_exists( $deps ) ) include_once( $deps );
                require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 
                # Check if we got if not failback to default skin
@@ -139,40 +139,50 @@ class Skin extends Linker {
 
        /** @return string path to the skin stylesheet */
        function getStylesheet() {
-               return 'common/wikistandard.css?1';
+               return 'common/wikistandard.css';
        }
 
        /** @return string skin name */
-       function getSkinName() {
-               return 'standard';
+       public function getSkinName() {
+               return $this->skinname;
        }
 
        function qbSetting() {
                global $wgOut, $wgUser;
 
                if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
-               $q = $wgUser->getOption( 'quickbar' );
-               if ( '' == $q ) { $q = 0; }
+               $q = $wgUser->getOption( 'quickbar', 0 );
                return $q;
        }
 
        function initPage( &$out ) {
-               global $wgFavicon;
+               global $wgFavicon, $wgScriptPath, $wgSitename, $wgContLang;
 
-               $fname = 'Skin::initPage';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                if( false !== $wgFavicon ) {
                        $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
                }
 
+               $code = $wgContLang->getCode();
+               $name = $wgContLang->getLanguageName( $code );
+               $langName = $name ? $name : $code;
+
+               # OpenSearch description link
+               $out->addLink( array( 
+                       'rel' => 'search', 
+                       'type' => 'application/opensearchdescription+xml',
+                       'href' => "$wgScriptPath/opensearch_desc.php",
+                       'title' => "$wgSitename ($langName)",
+               ));
+
                $this->addMetadataLinks($out);
 
                $this->mRevisionId = $out->mRevisionId;
                
                $this->preloadExistence();
 
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
        }
 
        /**
@@ -181,16 +191,19 @@ class Skin extends Linker {
        function preloadExistence() {
                global $wgUser, $wgTitle;
 
-               if ( $wgTitle->isTalkPage() ) {
-                       $otherTab = $wgTitle->getSubjectPage();
+               // User/talk link
+               $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
+
+               // Other tab link
+               if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
+                       // nothing
+               } elseif ( $wgTitle->isTalkPage() ) {
+                       $titles[] = $wgTitle->getSubjectPage();
                } else {
-                       $otherTab = $wgTitle->getTalkPage();
+                       $titles[] = $wgTitle->getTalkPage();
                }
-               $lb = new LinkBatch( array( 
-                       $wgUser->getUserPage(),
-                       $wgUser->getTalkPage(),
-                       $otherTab
-               ));
+
+               $lb = new LinkBatch( $titles );
                $lb->execute();
        }
        
@@ -233,7 +246,7 @@ class Skin extends Linker {
        function outputPage( &$out ) {
                global $wgDebugComments;
 
-               wfProfileIn( 'Skin::outputPage' );
+               wfProfileIn( __METHOD__ );
                $this->initPage( $out );
 
                $out->out( $out->headElement() );
@@ -255,17 +268,105 @@ class Skin extends Linker {
 
                $out->out( $this->afterContent() );
 
+               $out->out( $this->bottomScripts() );
+
                $out->out( $out->reportTime() );
 
                $out->out( "\n</body></html>" );
+               wfProfileOut( __METHOD__ );
+       }
+
+       static function makeVariablesScript( $data ) {
+               global $wgJsMimeType;
+
+               $r = "<script type= \"$wgJsMimeType\">/*<![CDATA[*/\n";
+               foreach ( $data as $name => $value ) {
+                       $encValue = Xml::encodeJsVar( $value );
+                       $r .= "var $name = $encValue;\n";
+               }
+               $r .= "/*]]>*/</script>\n";
+
+               return $r;
        }
 
-       function getHeadScripts() {
-               global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
-               $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
-               if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
+       /**
+        * Make a <script> tag containing global variables
+        * @param array $data Associative array containing one element:
+        *     skinname => the skin name
+        * The odd calling convention is for backwards compatibility
+        */
+       static function makeGlobalVariablesScript( $data ) {
+               global $wgScript, $wgStylePath, $wgUser;
+               global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
+               global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
+               global $wgBreakFrames, $wgRequest;
+               global $wgUseAjax, $wgAjaxWatch;
+
+               $ns = $wgTitle->getNamespace();
+               $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
+
+               $vars = array( 
+                       'skin' => $data['skinname'],
+                       'stylepath' => $wgStylePath,
+                       'wgArticlePath' => $wgArticlePath,
+                       'wgScriptPath' => $wgScriptPath,
+                       'wgScript' => $wgScript,
+                       'wgServer' => $wgServer,
+                       'wgCanonicalNamespace' => $nsname,
+                       'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
+                       'wgNamespaceNumber' => $wgTitle->getNamespace(),
+                       'wgPageName' => $wgTitle->getPrefixedDBKey(),
+                       'wgTitle' => $wgTitle->getText(),
+                       'wgAction' => $wgRequest->getText( 'action', 'view' ),
+                       'wgRestrictionEdit' => $wgTitle->getRestrictions( 'edit' ),
+                       'wgRestrictionMove' => $wgTitle->getRestrictions( 'move' ),
+                       'wgArticleId' => $wgTitle->getArticleId(),
+                       'wgIsArticle' => $wgOut->isArticle(),
+                       'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
+                       'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
+                       'wgUserLanguage' => $wgLang->getCode(),
+                       'wgContentLanguage' => $wgContLang->getCode(),
+                       'wgBreakFrames' => $wgBreakFrames,
+                       'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
+               );
+
+               global $wgLivePreview;
+               if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
+                       $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
+                       $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
+                       $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
+                       $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
+               }
+
+               if($wgUseAjax && $wgAjaxWatch && $wgUser->isLoggedIn() ) {
+                       $msgs = (object)array();
+                       foreach ( array( 'watch', 'unwatch', 'watching', 'unwatching' ) as $msgName ) {
+                               $msgs->{$msgName . 'Msg'} = wfMsg( $msgName );
+                       }
+                       $vars['wgAjaxWatch'] = $msgs;
+               }
+
+               return self::makeVariablesScript( $vars );
+       }
+
+       function getHeadScripts( $allowUserJs ) {
+               global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
+
+               $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
+
+               $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
+               global $wgUseSiteJs;
+               if ($wgUseSiteJs) {
+                       $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
+                       $r .= "<script type=\"$wgJsMimeType\" src=\"".
+                               htmlspecialchars(self::makeUrl('-',
+                                       "action=raw$jsCache&gen=js&useskin=" .
+                                       urlencode( $this->getSkinName() ) ) ) .
+                               "\"><!-- site js --></script>\n";
+               }
+               if( $allowUserJs && $wgUser->isLoggedIn() ) {
                        $userpage = $wgUser->getUserPage();
-                       $userjs = htmlspecialchars( $this->makeUrl(
+                       $userjs = htmlspecialchars( self::makeUrl(
                                $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
                                'action=raw&ctype='.$wgJsMimeType));
                        $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
@@ -299,24 +400,47 @@ class Skin extends Linker {
 
        # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
        function getUserStylesheet() {
-               global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
+               global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
                $sheet = $this->getStylesheet();
-               $action = $wgRequest->getText('action');
-               $s = "@import \"$wgStylePath/$sheet\";\n";
-               if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
+               $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
+               $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
+               $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
+               if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 
-               $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
-               $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
-                       '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
+               $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
+               $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
+                       '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 
                $s .= $this->doGetUserStyles();
                return $s."\n";
        }
 
        /**
-        * placeholder, returns generated js in monobook
+        * This returns MediaWiki:Common.js, and derived classes may add other JS.
+        * Despite its name, it does *not* return any custom user JS from user
+        * subpages.  The returned script is sitewide and publicly cacheable and
+        * therefore must not include anything that varies according to user,
+        * interface language, etc. (although it may vary by skin).  See
+        * makeGlobalVariablesScript for things that can vary per page view and are
+        * not cacheable.
+        *
+        * @return string Raw JavaScript to be returned
         */
-       function getUserJs() { return; }
+       public function getUserJs() {
+               wfProfileIn( __METHOD__ );
+
+               global $wgStylePath;
+               $s = "/* generated javascript */\n";
+               $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
+               $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
+               $s .= "\n\n/* MediaWiki:Common.js */\n";
+               $commonJs = wfMsgForContent('common.js');
+               if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
+                       $s .= $commonJs;
+               }
+               wfProfileOut( __METHOD__ );
+               return $s;
+       }
 
        /**
         * Return html code that include User stylesheets
@@ -343,7 +467,7 @@ class Skin extends Linker {
                                $s .= $wgRequest->getText('wpTextbox1');
                        } else {
                                $userpage = $wgUser->getUserPage();
-                               $s.= '@import "'.$this->makeUrl(
+                               $s.= '@import "'.self::makeUrl(
                                        $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
                                        'action=raw&ctype=text/css').'";'."\n";
                        }
@@ -355,7 +479,7 @@ class Skin extends Linker {
        function reallyDoGetUserStyles() {
                global $wgUser;
                $s = '';
-               if (($undopt = $wgUser->getOption("underline")) != 2) {
+               if (($undopt = $wgUser->getOption("underline")) < 2) {
                        $underline = $undopt ? 'underline' : 'none';
                        $s .= "a { text-decoration: $underline; }\n";
                }
@@ -366,17 +490,14 @@ class Skin extends Linker {
 a.new, #quickbar a.new,
 a.stub, #quickbar a.stub {
        color: inherit;
-       text-decoration: inherit;
 }
 a.new:after, #quickbar a.new:after {
        content: "?";
        color: #CC2200;
-       text-decoration: $underline;
 }
 a.stub:after, #quickbar a.stub:after {
        content: "!";
        color: #772233;
-       text-decoration: $underline;
 }
 END;
                }
@@ -393,7 +514,7 @@ END;
        }
 
        function getBodyOptions() {
-               global $wgUser, $wgTitle, $wgOut, $wgRequest;
+               global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 
                extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 
@@ -402,8 +523,7 @@ END;
                }
                else $a = array( 'bgcolor' => '#FFFFFF' );
                if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
-                 $wgTitle->userCanEdit() ) {
-                       $t = wfMsg( 'editthispage' );
+                 $wgTitle->userCan( 'edit' ) ) {
                        $s = $wgTitle->getFullURL( $this->editUrlOptions() );
                        $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
                        $a += array ('ondblclick' => $s);
@@ -416,6 +536,8 @@ END;
                        }
                        $a['onload'] .= 'setupRightClickEdit()';
                }
+               $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
+               ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
                return $a;
        }
 
@@ -514,9 +636,8 @@ END;
                $pop = '</span>';
                $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 
-               $msg = wfMsgExt('categories', array('parsemag', 'escape'), count( $wgOut->mCategoryLinks ));
-               $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
-                       $msg, 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
+               $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
+               $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
                        . ': ' . $t;
 
                # optional 'dmoz-like' category browser. Will be shown under the list
@@ -573,14 +694,25 @@ END;
        }
 
        /**
-        * This gets called immediately before the \</body\> tag.
-        * @return String HTML to be put after \</body\> ???
+        * This gets called shortly before the \</body\> tag.
+        * @return String HTML to be put before \</body\> 
         */
        function afterContent() {
                $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
                return $printfooter . $this->doAfterContent();
        }
 
+       /**
+        * This gets called shortly before the \</body\> tag.
+        * @return String HTML-wrapped JS code to be put before \</body\> 
+        */
+       function bottomScripts() {
+               global $wgJsMimeType;
+               $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
+               wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
+               return $bottomScriptText;
+       }
+
        /** @return string Retrievied from HTML text */
        function printSource() {
                global $wgTitle;
@@ -599,7 +731,8 @@ END;
        function pageTitleLinks() {
                global $wgOut, $wgTitle, $wgUser, $wgRequest;
 
-               extract( $wgRequest->getValues( 'oldid', 'diff' ) );
+               $oldid = $wgRequest->getVal( 'oldid' );
+               $diff = $wgRequest->getVal( 'diff' );
                $action = $wgRequest->getText( 'action' );
 
                $s = $this->printableLink();
@@ -615,8 +748,8 @@ END;
                if ( $wgOut->isArticleRelated() ) {
                        if ( $wgTitle->getNamespace() == NS_IMAGE ) {
                                $name = $wgTitle->getDBkey();
-                               $image = new Image( $wgTitle );
-                               if( $image->exists() ) {
+                               $image = wfFindFile( $wgTitle );
+                               if( $image ) {
                                        $link = htmlspecialchars( $image->getURL() );
                                        $style = $this->getInternalLinkAttributes( $link, $name );
                                        $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
@@ -649,7 +782,7 @@ END;
        }
 
        function getUndeleteLink() {
-               global $wgUser, $wgTitle, $wgContLang, $action;
+               global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
                if(     $wgUser->isAllowed( 'deletedhistory' ) &&
                        (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
                        ($n = $wgTitle->isDeleted() ) )
@@ -660,9 +793,9 @@ END;
                                $msg = 'viewdeleted';
                        }
                        return wfMsg( $msg,
-                               $this->makeKnownLink(
-                                       $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
-                                       wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
+                               $this->makeKnownLinkObj(
+                                       SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
+                                       wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
                }
                return '';
        }
@@ -670,13 +803,6 @@ END;
        function printableLink() {
                global $wgOut, $wgFeedClasses, $wgRequest;
 
-               $baseurl = $_SERVER['REQUEST_URI'];
-               if( strpos( '?', $baseurl ) == false ) {
-                       $baseurl .= '?';
-               } else {
-                       $baseurl .= '&';
-               }
-               $baseurl = htmlspecialchars( $baseurl );
                $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 
                $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
@@ -738,15 +864,22 @@ END;
                return $subpages;
        }
 
+       /**
+        * Returns true if the IP should be shown in the header
+        */
+       function showIPinHeader() {
+               global $wgShowIPinHeader;
+               return $wgShowIPinHeader && session_id() != '';
+       }
+
        function nameAndLogin() {
-               global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
+               global $wgUser, $wgTitle, $wgLang, $wgContLang;
 
-               $li = $wgContLang->specialPage( 'Userlogin' );
                $lo = $wgContLang->specialPage( 'Userlogout' );
 
                $s = '';
                if ( $wgUser->isAnon() ) {
-                       if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
+                       if( $this->showIPinHeader() ) {
                                $n = wfGetIP();
 
                                $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
@@ -763,7 +896,7 @@ END;
                        } else { $q = "returnto={$rt}"; }
 
                        $s .= "\n<br />" . $this->makeKnownLinkObj(
-                               Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
+                               SpecialPage::getTitleFor( 'Userlogin' ),
                                wfMsg( 'login' ), $q );
                } else {
                        $n = $wgUser->getName();
@@ -775,7 +908,7 @@ END;
 
                        $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
                          $n ) . "{$tl}<br />" .
-                         $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
+                         $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
                          "returnto={$rt}" ) . ' | ' .
                          $this->specialLink( 'preferences' );
                }
@@ -786,7 +919,7 @@ END;
        }
 
        function getSearchLink() {
-               $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
+               $searchPage = SpecialPage::getTitleFor( 'Search' );
                return $searchPage->getLocalURL();
        }
 
@@ -802,7 +935,7 @@ END;
                  . $this->escapeSearchLink() . "\">\n"
                  . '<input type="text" name="search" size="19" value="'
                  . htmlspecialchars(substr($search,0,256)) . "\" />\n"
-                 . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
+                 . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
                  . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 
                return $s;
@@ -821,7 +954,38 @@ END;
                }
                # Many people don't like this dropdown box
                #$s .= $sep . $this->specialPagesList();
+               
+               $s .= $this->variantLinks();
+               
+               $s .= $this->extensionTabLinks();
 
+               return $s;
+       }
+       
+       /**
+        * Compatibility for extensions adding functionality through tabs.
+        * Eventually these old skins should be replaced with SkinTemplate-based
+        * versions, sigh...
+        * @return string
+        */
+       function extensionTabLinks() {
+               $tabs = array();
+               $s = '';
+               wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
+               foreach( $tabs as $tab ) {
+                       $s .= ' | ' . Xml::element( 'a',
+                               array( 'href' => $tab['href'] ),
+                               $tab['text'] );
+               }
+               return $s;
+       }
+       
+       /**
+        * Language/charset variant links for classic-style skins
+        * @return string
+        */
+       function variantLinks() {
+               $s = '';
                /* show links to different language variants */
                global $wgDisableLangConversion, $wgContLang, $wgTitle;
                $variants = $wgContLang->getVariants();
@@ -830,10 +994,9 @@ END;
                                $varname = $wgContLang->getVariantname( $code );
                                if( $varname == 'disable' )
                                        continue;
-                               $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
+                               $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
                        }
                }
-
                return $s;
        }
 
@@ -884,7 +1047,8 @@ END;
                global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
                global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 
-               extract( $wgRequest->getValues( 'oldid', 'diff' ) );
+               $oldid = $wgRequest->getVal( 'oldid' );
+               $diff = $wgRequest->getVal( 'diff' );
                if ( ! $wgOut->isArticle() ) { return ''; }
                if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
                if ( 0 == $wgArticle->getID() ) { return ''; }
@@ -905,14 +1069,17 @@ END;
                }
 
                if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
-                       $dbr =& wfGetDB( DB_SLAVE );
-                       extract( $dbr->tableNames( 'watchlist' ) );
+                       $dbr = wfGetDB( DB_SLAVE );
+                       $watchlist = $dbr->tableName( 'watchlist' );
                        $sql = "SELECT COUNT(*) AS n FROM $watchlist
                                WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
                                "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
                        $res = $dbr->query( $sql, 'Skin::pageStats');
                        $x = $dbr->fetchObject( $res );
-                       $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
+
+                       $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
+                               array( 'parseinline' ), $wgLang->formatNum($x->n)
+                       );
                }
 
                return $s . ' ' .  $this->getCopyright();
@@ -974,7 +1141,7 @@ END;
        function getPoweredBy() {
                global $wgStylePath;
                $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
-               $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
+               $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
                return $img;
        }
 
@@ -983,8 +1150,9 @@ END;
 
                $timestamp = $wgArticle->getTimestamp();
                if ( $timestamp ) {
-                       $d = $wgLang->timeanddate( $timestamp, true );
-                       $s = ' ' . wfMsg( 'lastmodified', $d );
+                       $d = $wgLang->date( $timestamp, true );
+                       $t = $wgLang->time( $timestamp, true );
+                       $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
                } else {
                        $s = '';
                }
@@ -999,12 +1167,8 @@ END;
                else { $a = ''; }
 
                $mp = wfMsg( 'mainpage' );
-               $titleObj = Title::newFromText( $mp );
-               if ( is_object( $titleObj ) ) {
-                       $url = $titleObj->escapeLocalURL();
-               } else {
-                       $url = '';
-               }
+               $mptitle = Title::newMainPage();
+               $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
 
                $logourl = $this->getLogo();
                $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
@@ -1013,24 +1177,12 @@ END;
 
        /**
         * show a drop-down box of special pages
-        * @TODO crash bug913. Need to be rewrote completly.
         */
        function specialPagesList() {
                global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
-               require_once('SpecialPage.php');
-               $a = array();
-               $pages = SpecialPage::getPages();
-
-               // special pages without access restriction
-               foreach ( $pages[''] as $name => $page ) {
-                       $a[$name] = $page->getDescription();
-               }
-
-               // Other special pages that are restricted.
-               foreach ( $pages['restricted'] as $name => $page ) {
-                       if( $wgUser->isAllowed( $page->getRestriction() ) ) {
-                               $a[$name] = $page->getDescription();
-                       }
+               $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
+               foreach ( $pages as $name => $page ) {
+                       $pages[$name] = $page->getDescription();
                }
 
                $go = wfMsg( 'go' );
@@ -1043,7 +1195,7 @@ END;
                $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 
 
-               foreach ( $a as $name => $desc ) {
+               foreach ( $pages as $name => $desc ) {
                        $p = $wgContLang->specialPage( $name );
                        $s .= "<option value=\"{$p}\">{$desc}</option>\n";
                }
@@ -1054,9 +1206,7 @@ END;
        }
 
        function mainPageLink() {
-               $mp = wfMsgForContent( 'mainpage' );
-               $mptxt = wfMsg( 'mainpage');
-               $s = $this->makeKnownLink( $mp, $mptxt );
+               $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
                return $s;
        }
 
@@ -1066,29 +1216,30 @@ END;
                return $s;
        }
 
-       function privacyLink() {
-               $privacy = wfMsg( 'privacy' );
-               if ($privacy == '-') {
+       private function footerLink ( $desc, $page ) {
+               // if the link description has been set to "-" in the default language,
+               if ( wfMsgForContent( $desc )  == '-') {
+                       // then it is disabled, for all languages.
                        return '';
                } else {
-                       return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
+                       // Otherwise, we display the link for the user, described in their
+                       // language (which may or may not be the same as the default language),
+                       // but we make the link target be the one site-wide page.
+                       return $this->makeKnownLink( wfMsgForContent( $page ),
+                               wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
                }
        }
 
+       function privacyLink() {
+               return $this->footerLink( 'privacy', 'privacypage' );
+       }
+
        function aboutLink() {
-               $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
-                 wfMsg( 'aboutsite' ) );
-               return $s;
+               return $this->footerLink( 'aboutsite', 'aboutpage' );
        }
 
        function disclaimerLink() {
-               $disclaimers = wfMsg( 'disclaimers' );
-               if ($disclaimers == '-') {
-                       return '';
-               } else {
-                       return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
-                                                    $disclaimers );
-               }
+               return $this->footerLink( 'disclaimers', 'disclaimerpage' );
        }
 
        function editThisPage() {
@@ -1097,7 +1248,7 @@ END;
                if ( ! $wgOut->isArticleRelated() ) {
                        $s = wfMsg( 'protectedpage' );
                } else {
-                       if ( $wgTitle->userCanEdit() ) {
+                       if ( $wgTitle->userCan( 'edit' ) ) {
                                $t = wfMsg( 'editthispage' );
                        } else {
                                $t = wfMsg( 'viewsource' );
@@ -1160,16 +1311,19 @@ END;
 
        function watchThisPage() {
                global $wgOut, $wgTitle;
+               ++$this->mWatchLinkNum;
 
                if ( $wgOut->isArticleRelated() ) {
                        if ( $wgTitle->userIsWatching() ) {
                                $t = wfMsg( 'unwatchthispage' );
                                $q = 'action=unwatch';
+                               $id = "mw-unwatch-link".$this->mWatchLinkNum;
                        } else {
                                $t = wfMsg( 'watchthispage' );
                                $q = 'action=watch';
+                               $id = 'mw-watch-link'.$this->mWatchLinkNum;
                        }
-                       $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
+                       $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
                } else {
                        $s = wfMsg( 'notanarticle' );
                }
@@ -1179,8 +1333,8 @@ END;
        function moveThisPage() {
                global $wgTitle;
 
-               if ( $wgTitle->userCanMove() ) {
-                       return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
+               if ( $wgTitle->userCan( 'move' ) ) {
+                       return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
                          wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
                } else {
                        // no message if page is protected - would be redundant
@@ -1198,15 +1352,17 @@ END;
        function whatLinksHere() {
                global $wgTitle;
 
-               return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
-                 wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
+               return $this->makeKnownLinkObj( 
+                       SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ), 
+                       wfMsg( 'whatlinkshere' ) );
        }
 
        function userContribsLink() {
                global $wgTitle;
 
-               return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
-                 wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
+               return $this->makeKnownLinkObj( 
+                       SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
+                       wfMsg( 'contributions' ) );
        }
 
        function showEmailUser( $id ) {
@@ -1223,8 +1379,9 @@ END;
        function emailUserLink() {
                global $wgTitle;
 
-               return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
-                 wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
+               return $this->makeKnownLinkObj( 
+                       SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
+                       wfMsg( 'emailuser' ) );
        }
 
        function watchPageLinksLink() {
@@ -1233,9 +1390,9 @@ END;
                if ( ! $wgOut->isArticleRelated() ) {
                        return '(' . wfMsg( 'notanarticle' ) . ')';
                } else {
-                       return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
-                         'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
-                         'target=' . $wgTitle->getPrefixedURL() );
+                       return $this->makeKnownLinkObj( 
+                               SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ), 
+                               wfMsg( 'recentchangeslinked' ) );
                }
        }
 
@@ -1283,29 +1440,6 @@ END;
                return $s;
        }
 
-       function dateLink() {
-               $t1 = Title::newFromText( gmdate( 'F j' ) );
-               $t2 = Title::newFromText( gmdate( 'Y' ) );
-
-               $id = $t1->getArticleID();
-
-               if ( 0 == $id ) {
-                       $s = $this->makeBrokenLink( $t1->getText() );
-               } else {
-                       $s = $this->makeKnownLink( $t1->getText() );
-               }
-               $s .= ', ';
-
-               $id = $t2->getArticleID();
-
-               if ( 0 == $id ) {
-                       $s .= $this->makeBrokenLink( $t2->getText() );
-               } else {
-                       $s .= $this->makeKnownLink( $t2->getText() );
-               }
-               return $s;
-       }
-
        function talkLink() {
                global $wgTitle;
 
@@ -1317,20 +1451,32 @@ END;
                if( $wgTitle->isTalkPage() ) {
                        $link = $wgTitle->getSubjectPage();
                        switch( $link->getNamespace() ) {
-                       case NS_MAIN:
-                               $text = wfMsg('articlepage');
-                               break;
-                       case NS_USER:
-                               $text = wfMsg('userpage');
-                               break;
-                       case NS_PROJECT:
-                               $text = wfMsg('projectpage');
-                               break;
-                       case NS_IMAGE:
-                               $text = wfMsg('imagepage');
-                               break;
-                       default:
-                               $text= wfMsg('articlepage');
+                               case NS_MAIN:
+                                       $text = wfMsg( 'articlepage' );
+                                       break;
+                               case NS_USER:
+                                       $text = wfMsg( 'userpage' );
+                                       break;
+                               case NS_PROJECT:
+                                       $text = wfMsg( 'projectpage' );
+                                       break;
+                               case NS_IMAGE:
+                                       $text = wfMsg( 'imagepage' );
+                                       break;
+                               case NS_MEDIAWIKI:
+                                       $text = wfMsg( 'mediawikipage' );
+                                       break;
+                               case NS_TEMPLATE:
+                                       $text = wfMsg( 'templatepage' );
+                                       break;
+                               case NS_HELP:
+                                       $text = wfMsg( 'viewhelppage' );
+                                       break;
+                               case NS_CATEGORY:
+                                       $text = wfMsg( 'categorypage' );
+                                       break;
+                               default:
+                                       $text = wfMsg( 'articlepage' );
                        }
                } else {
                        $link = $wgTitle->getTalkPage();
@@ -1353,67 +1499,78 @@ END;
                # If it's present, the link points to this page, otherwise
                # it points to the talk page
                if( $wgTitle->isTalkPage() ) {
-                       $title =& $wgTitle;
+                       $title = $wgTitle;
                } elseif( $wgOut->showNewSectionLink() ) {
-                       $title =& $wgTitle;
+                       $title = $wgTitle;
                } else {
-                       $title =& $wgTitle->getTalkPage();
+                       $title = $wgTitle->getTalkPage();
                }
                
                return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
        }
 
        /* these are used extensively in SkinTemplate, but also some other places */
-       /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
-               $title = Title::makeTitle( NS_SPECIAL, $name );
+       static function makeMainPageUrl( $urlaction = '' ) {
+               $title = Title::newMainPage();
+               self::checkTitle( $title, '' );
                return $title->getLocalURL( $urlaction );
        }
 
-       /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
-               $title = Title::newFromText( wfMsgForContent($name) );
-               $this->checkTitle($title, $name);
+       static function makeSpecialUrl( $name, $urlaction = '' ) {
+               $title = SpecialPage::getTitleFor( $name );
                return $title->getLocalURL( $urlaction );
        }
 
-       /*static*/ function makeUrl ( $name, $urlaction='' ) {
+       static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
+               $title = SpecialPage::getSafeTitleFor( $name, $subpage );
+               return $title->getLocalURL( $urlaction );
+       }
+
+       static function makeI18nUrl( $name, $urlaction = '' ) {
+               $title = Title::newFromText( wfMsgForContent( $name ) );
+               self::checkTitle( $title, $name );
+               return $title->getLocalURL( $urlaction );
+       }
+
+       static function makeUrl( $name, $urlaction = '' ) {
                $title = Title::newFromText( $name );
-               $this->checkTitle($title, $name);
+               self::checkTitle( $title, $name );
                return $title->getLocalURL( $urlaction );
        }
 
        # If url string starts with http, consider as external URL, else
        # internal
-       /*static*/ function makeInternalOrExternalUrl( $name ) {
+       static function makeInternalOrExternalUrl( $name ) {
                if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
                        return $name;
                } else {
-                       return $this->makeUrl( $name );
+                       return self::makeUrl( $name );
                }
        }
 
        # this can be passed the NS number as defined in Language.php
-       /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
+       static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
                $title = Title::makeTitleSafe( $namespace, $name );
-               $this->checkTitle($title, $name);
+               self::checkTitle( $title, $name );
                return $title->getLocalURL( $urlaction );
        }
 
        /* these return an array with the 'href' and boolean 'exists' */
-       /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
+       static function makeUrlDetails( $name, $urlaction = '' ) {
                $title = Title::newFromText( $name );
-               $this->checkTitle($title, $name);
+               self::checkTitle( $title, $name );
                return array(
                        'href' => $title->getLocalURL( $urlaction ),
-                       'exists' => $title->getArticleID() != 0?true:false
+                       'exists' => $title->getArticleID() != 0 ? true : false
                );
        }
 
        /**
         * Make URL details where the article exists (or at least it's convenient to think so)
         */
-       function makeKnownUrlDetails( $name, $urlaction='' ) {
+       static function makeKnownUrlDetails( $name, $urlaction = '' ) {
                $title = Title::newFromText( $name );
-               $this->checkTitle($title, $name);
+               self::checkTitle( $title, $name );
                return array(
                        'href' => $title->getLocalURL( $urlaction ),
                        'exists' => true
@@ -1421,10 +1578,10 @@ END;
        }
 
        # make sure we have some title to operate on
-       /*static*/ function checkTitle ( &$title, &$name ) {
-               if(!is_object($title)) {
+       static function checkTitle( &$title, $name ) {
+               if( !is_object( $title ) ) {
                        $title = Title::newFromText( $name );
-                       if(!is_object($title)) {
+                       if( !is_object( $title ) ) {
                                $title = Title::newFromText( '--error: link target missing--' );
                        }
                }
@@ -1437,14 +1594,14 @@ END;
         * @private
         */
        function buildSidebar() {
-               global $wgDBname, $parserMemc, $wgEnableSidebarCache;
+               global $parserMemc, $wgEnableSidebarCache;
                global $wgLang, $wgContLang;
 
                $fname = 'SkinTemplate::buildSidebar';
 
                wfProfileIn( $fname );
 
-               $key = "{$wgDBname}:sidebar";
+               $key = wfMemcKey( 'sidebar' );
                $cacheSidebar = $wgEnableSidebarCache &&
                        ($wgLang->getCode() == $wgContLang->getCode());
                
@@ -1474,7 +1631,19 @@ END;
                                                $text = $line[1];
                                        if (wfEmptyMsg($line[0], $link))
                                                $link = $line[0];
-                                       $href = $this->makeInternalOrExternalUrl( $link );
+
+                                       if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
+                                               $href = $link;
+                                       } else {
+                                               $title = Title::newFromText( $link );
+                                               if ( $title ) {
+                                                       $title = $title->fixSpecialName();
+                                                       $href = $title->getLocalURL();
+                                               } else {
+                                                       $href = 'INVALID-TITLE';
+                                               }
+                                       }
+
                                        $bar[$heading][] = array(
                                                'text' => $text,
                                                'href' => $href,
@@ -1485,9 +1654,9 @@ END;
                        }
                }
                if ($cacheSidebar)
-                       $cachednotice = $parserMemc->set( $key, $bar, 86400 );
+                       $parserMemc->set( $key, $bar, 86400 );
                wfProfileOut( $fname );
                return $bar;
        }
+       
 }
-?>