includes/Skin.php

   1 <?php
   2 /**
   3  * @defgroup Skins Skins
   4  */
   5
   6 if ( ! defined( 'MEDIAWIKI' ) )
   7         die( 1 );
   8
   9 /**
  10  * The main skin class that provide methods and properties for all other skins.
  11  * This base class is also the "Standard" skin.
  12  *
  13  * See docs/skin.txt for more information.
  14  *
  15  * @ingroup Skins
  16  */
  17 class Skin extends Linker {
  18         /**#@+
  19          * @private
  20          */
  21         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  22         // How many search boxes have we made?  Avoid duplicate id's.
  23         protected $searchboxes = '';
  24         /**#@-*/
  25         protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
  26         protected $skinname = 'standard' ;
  27
  28         /** Constructor, call parent constructor */
  29         function Skin() { parent::__construct(); }
  30
  31         /**
  32          * Fetch the set of available skins.
  33          * @return array of strings
  34          * @static
  35          */
  36         static function getSkinNames() {
  37                 global $wgValidSkinNames;
  38                 static $skinsInitialised = false;
  39                 if ( !$skinsInitialised ) {
  40                         # Get a list of available skins
  41                         # Build using the regular expression '^(.*).php$'
  42                         # Array keys are all lower case, array value keep the case used by filename
  43                         #
  44                         wfProfileIn( __METHOD__ . '-init' );
  45                         global $wgStyleDirectory;
  46                         $skinDir = dir( $wgStyleDirectory );
  47
  48                         # while code from www.php.net
  49                         while (false !== ($file = $skinDir->read())) {
  50                                 // Skip non-PHP files, hidden files, and '.dep' includes
  51                                 $matches = array();
  52                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  53                                         $aSkin = $matches[1];
  54                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  55                                 }
  56                         }
  57                         $skinDir->close();
  58                         $skinsInitialised = true;
  59                         wfProfileOut( __METHOD__ . '-init' );
  60                 }
  61                 return $wgValidSkinNames;
  62         }
  63
  64         /**
  65          * Fetch the list of usable skins in regards to $wgSkipSkins.
  66          * Useful for Special:Preferences and other places where you
  67          * only want to show skins users _can_ use.
  68          * @return array of strings
  69          */
  70         public static function getUsableSkins() {
  71                 global $wgSkipSkins;
  72                 $usableSkins = self::getSkinNames();
  73                 foreach ( $wgSkipSkins as $skip ) {
  74                         unset( $usableSkins[$skip] );
  75                 }
  76                 return $usableSkins;
  77         }
  78
  79         /**
  80          * Normalize a skin preference value to a form that can be loaded.
  81          * If a skin can't be found, it will fall back to the configured
  82          * default (or the old 'Classic' skin if that's broken).
  83          * @param string $key
  84          * @return string
  85          * @static
  86          */
  87         static function normalizeKey( $key ) {
  88                 global $wgDefaultSkin;
  89                 $skinNames = Skin::getSkinNames();
  90
  91                 if( $key == '' ) {
  92                         // Don't return the default immediately;
  93                         // in a misconfiguration we need to fall back.
  94                         $key = $wgDefaultSkin;
  95                 }
  96
  97                 if( isset( $skinNames[$key] ) ) {
  98                         return $key;
  99                 }
 100
 101                 // Older versions of the software used a numeric setting
 102                 // in the user preferences.
 103                 $fallback = array(
 104                         0 => $wgDefaultSkin,
 105                         1 => 'nostalgia',
 106                         2 => 'cologneblue' );
 107
 108                 if( isset( $fallback[$key] ) ){
 109                         $key = $fallback[$key];
 110                 }
 111
 112                 if( isset( $skinNames[$key] ) ) {
 113                         return $key;
 114                 } else {
 115                         return 'monobook';
 116                 }
 117         }
 118
 119         /**
 120          * Factory method for loading a skin of a given type
 121          * @param string $key 'monobook', 'standard', etc
 122          * @return Skin
 123          * @static
 124          */
 125         static function &newFromKey( $key ) {
 126                 global $wgStyleDirectory;
 127
 128                 $key = Skin::normalizeKey( $key );
 129
 130                 $skinNames = Skin::getSkinNames();
 131                 $skinName = $skinNames[$key];
 132                 $className = 'Skin'.ucfirst($key);
 133
 134                 # Grab the skin class and initialise it.
 135                 if ( !class_exists( $className ) ) {
 136                         // Preload base classes to work around APC/PHP5 bug
 137                         $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 138                         if( file_exists( $deps ) ) include_once( $deps );
 139                         require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 140
 141                         # Check if we got if not failback to default skin
 142                         if( !class_exists( $className ) ) {
 143                                 # DO NOT die if the class isn't found. This breaks maintenance
 144                                 # scripts and can cause a user account to be unrecoverable
 145                                 # except by SQL manipulation if a previously valid skin name
 146                                 # is no longer valid.
 147                                 wfDebug( "Skin class does not exist: $className\n" );
 148                                 $className = 'SkinMonobook';
 149                                 require_once( "{$wgStyleDirectory}/MonoBook.php" );
 150                         }
 151                 }
 152                 $skin = new $className;
 153                 return $skin;
 154         }
 155
 156         /** @return string path to the skin stylesheet */
 157         function getStylesheet() {
 158                 return 'common/wikistandard.css';
 159         }
 160
 161         /** @return string skin name */
 162         public function getSkinName() {
 163                 return $this->skinname;
 164         }
 165
 166         function qbSetting() {
 167                 global $wgOut, $wgUser;
 168
 169                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 170                 $q = $wgUser->getOption( 'quickbar', 0 );
 171                 return $q;
 172         }
 173
 174         function initPage( &$out ) {
 175                 global $wgFavicon, $wgAppleTouchIcon;
 176
 177                 wfProfileIn( __METHOD__ );
 178
 179                 if( false !== $wgFavicon ) {
 180                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 181                 }
 182
 183                 if( false !== $wgAppleTouchIcon ) {
 184                         $out->addLink( array( 'rel' => 'apple-touch-icon', 'href' => $wgAppleTouchIcon ) );
 185                 }
 186
 187                 # OpenSearch description link
 188                 $out->addLink( array(
 189                         'rel' => 'search',
 190                         'type' => 'application/opensearchdescription+xml',
 191                         'href' => wfScript( 'opensearch_desc' ),
 192                         'title' => wfMsgForContent( 'opensearch-desc' ),
 193                 ));
 194
 195                 $this->addMetadataLinks($out);
 196
 197                 $this->mRevisionId = $out->mRevisionId;
 198
 199                 $this->preloadExistence();
 200
 201                 wfProfileOut( __METHOD__ );
 202         }
 203
 204         /**
 205          * Preload the existence of three commonly-requested pages in a single query
 206          */
 207         function preloadExistence() {
 208                 global $wgUser, $wgTitle;
 209
 210                 // User/talk link
 211                 $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
 212
 213                 // Other tab link
 214                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
 215                         // nothing
 216                 } elseif ( $wgTitle->isTalkPage() ) {
 217                         $titles[] = $wgTitle->getSubjectPage();
 218                 } else {
 219                         $titles[] = $wgTitle->getTalkPage();
 220                 }
 221
 222                 $lb = new LinkBatch( $titles );
 223                 $lb->execute();
 224         }
 225
 226         function addMetadataLinks( &$out ) {
 227                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 228                 global $wgRightsPage, $wgRightsUrl;
 229
 230                 if( $out->isArticleRelated() ) {
 231                         # note: buggy CC software only reads first "meta" link
 232                         if( $wgEnableCreativeCommonsRdf ) {
 233                                 $out->addMetadataLink( array(
 234                                         'title' => 'Creative Commons',
 235                                         'type' => 'application/rdf+xml',
 236                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 237                         }
 238                         if( $wgEnableDublinCoreRdf ) {
 239                                 $out->addMetadataLink( array(
 240                                         'title' => 'Dublin Core',
 241                                         'type' => 'application/rdf+xml',
 242                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 243                         }
 244                 }
 245                 $copyright = '';
 246                 if( $wgRightsPage ) {
 247                         $copy = Title::newFromText( $wgRightsPage );
 248                         if( $copy ) {
 249                                 $copyright = $copy->getLocalURL();
 250                         }
 251                 }
 252                 if( !$copyright && $wgRightsUrl ) {
 253                         $copyright = $wgRightsUrl;
 254                 }
 255                 if( $copyright ) {
 256                         $out->addLink( array(
 257                                 'rel' => 'copyright',
 258                                 'href' => $copyright ) );
 259                 }
 260         }
 261
 262         function outputPage( &$out ) {
 263                 global $wgDebugComments;
 264
 265                 wfProfileIn( __METHOD__ );
 266                 $this->initPage( $out );
 267
 268                 $out->out( $out->headElement() );
 269
 270                 $out->out( "\n<body" );
 271                 $ops = $this->getBodyOptions();
 272                 foreach ( $ops as $name => $val ) {
 273                         $out->out( " $name='$val'" );
 274                 }
 275                 $out->out( ">\n" );
 276                 if ( $wgDebugComments ) {
 277                         $out->out( "<!-- Wiki debugging output:\n" .
 278                           $out->mDebugtext . "-->\n" );
 279                 }
 280
 281                 $out->out( $this->beforeContent() );
 282
 283                 $out->out( $out->mBodytext . "\n" );
 284
 285                 // See self::afterContentHook() for documentation
 286                 $out->out ($this->afterContentHook());
 287
 288                 $out->out( $this->afterContent() );
 289
 290                 $out->out( $this->bottomScripts() );
 291
 292                 $out->out( wfReportTime() );
 293
 294                 $out->out( "\n</body></html>" );
 295                 wfProfileOut( __METHOD__ );
 296         }
 297
 298         static function makeVariablesScript( $data ) {
 299                 global $wgJsMimeType;
 300
 301                 $r = array( "<script type= \"$wgJsMimeType\">/*<![CDATA[*/" );
 302                 foreach ( $data as $name => $value ) {
 303                         $encValue = Xml::encodeJsVar( $value );
 304                         $r[] = "var $name = $encValue;";
 305                 }
 306                 $r[] = "/*]]>*/</script>\n";
 307
 308                 return implode( "\n\t\t", $r );
 309         }
 310
 311         /**
 312          * Make a <script> tag containing global variables
 313          * @param array $data Associative array containing one element:
 314          *     skinname => the skin name
 315          * The odd calling convention is for backwards compatibility
 316          */
 317         static function makeGlobalVariablesScript( $data ) {
 318                 global $wgScript, $wgStylePath, $wgUser;
 319                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 320                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 321                 global $wgBreakFrames, $wgRequest, $wgVariantArticlePath, $wgActionPaths;
 322                 global $wgUseAjax, $wgAjaxWatch;
 323                 global $wgVersion, $wgEnableAPI, $wgEnableWriteAPI;
 324                 global $wgRestrictionTypes, $wgLivePreview;
 325                 global $wgMWSuggestTemplate, $wgDBname, $wgEnableMWSuggest;
 326
 327                 $ns = $wgTitle->getNamespace();
 328                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 329
 330                 $vars = array(
 331                         'skin' => $data['skinname'],
 332                         'stylepath' => $wgStylePath,
 333                         'wgArticlePath' => $wgArticlePath,
 334                         'wgScriptPath' => $wgScriptPath,
 335                         'wgScript' => $wgScript,
 336                         'wgVariantArticlePath' => $wgVariantArticlePath,
 337                         'wgActionPaths' => $wgActionPaths,
 338                         'wgServer' => $wgServer,
 339                         'wgCanonicalNamespace' => $nsname,
 340                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBkey() ),
 341                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 342                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 343                         'wgTitle' => $wgTitle->getText(),
 344                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 345                         'wgArticleId' => $wgTitle->getArticleId(),
 346                         'wgIsArticle' => $wgOut->isArticle(),
 347                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 348                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 349                         'wgUserLanguage' => $wgLang->getCode(),
 350                         'wgContentLanguage' => $wgContLang->getCode(),
 351                         'wgBreakFrames' => $wgBreakFrames,
 352                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 353                         'wgVersion' => $wgVersion,
 354                         'wgEnableAPI' => $wgEnableAPI,
 355                         'wgEnableWriteAPI' => $wgEnableWriteAPI,
 356                 );
 357
 358                 if( $wgUseAjax && $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false )){
 359                         $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
 360                         $vars['wgDBname'] = $wgDBname;
 361                         $vars['wgSearchNamespaces'] = SearchEngine::userNamespaces( $wgUser );
 362                         $vars['wgMWSuggestMessages'] = array( wfMsg('search-mwsuggest-enabled'), wfMsg('search-mwsuggest-disabled'));
 363                 }
 364
 365                 foreach( $wgRestrictionTypes as $type )
 366                         $vars['wgRestriction' . ucfirst( $type )] = $wgTitle->getRestrictions( $type );
 367
 368                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 369                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 370                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 371                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 372                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 373                 }
 374
 375                 if($wgUseAjax && $wgAjaxWatch && $wgUser->isLoggedIn() ) {
 376                         $msgs = (object)array();
 377                         foreach ( array( 'watch', 'unwatch', 'watching', 'unwatching' ) as $msgName ) {
 378                                 $msgs->{$msgName . 'Msg'} = wfMsg( $msgName );
 379                         }
 380                         $vars['wgAjaxWatch'] = $msgs;
 381                 }
 382
 383                 wfRunHooks('MakeGlobalVariablesScript', array(&$vars));
 384
 385                 return self::makeVariablesScript( $vars );
 386         }
 387
 388         function getHeadScripts( $allowUserJs ) {
 389                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 390
 391                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 392
 393                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 394                 global $wgUseSiteJs;
 395                 if ($wgUseSiteJs) {
 396                         $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
 397                         $r .= "<script type=\"$wgJsMimeType\" src=\"".
 398                                 htmlspecialchars(self::makeUrl('-',
 399                                         "action=raw$jsCache&gen=js&useskin=" .
 400                                         urlencode( $this->getSkinName() ) ) ) .
 401                                 "\"><!-- site js --></script>\n";
 402                 }
 403                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 404                         $userpage = $wgUser->getUserPage();
 405                         $userjs = htmlspecialchars( self::makeUrl(
 406                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 407                                 'action=raw&ctype='.$wgJsMimeType));
 408                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 409                 }
 410                 return $r;
 411         }
 412
 413         /**
 414          * To make it harder for someone to slip a user a fake
 415          * user-JavaScript or user-CSS preview, a random token
 416          * is associated with the login session. If it's not
 417          * passed back with the preview request, we won't render
 418          * the code.
 419          *
 420          * @param string $action
 421          * @return bool
 422          * @private
 423          */
 424         function userCanPreview( $action ) {
 425                 global $wgTitle, $wgRequest, $wgUser;
 426
 427                 if( $action != 'submit' )
 428                         return false;
 429                 if( !$wgRequest->wasPosted() )
 430                         return false;
 431                 if( !$wgTitle->userCanEditCssJsSubpage() )
 432                         return false;
 433                 return $wgUser->matchEditToken(
 434                         $wgRequest->getVal( 'wpEditToken' ) );
 435         }
 436
 437         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 438         function getUserStylesheet() {
 439                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 440                 $sheet = $this->getStylesheet();
 441                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 442                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 443                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 444                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 445
 446                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 447                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 448                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 449
 450                 $s .= $this->doGetUserStyles();
 451                 return $s."\n";
 452         }
 453
 454         /**
 455          * This returns MediaWiki:Common.js, and derived classes may add other JS.
 456          * Despite its name, it does *not* return any custom user JS from user
 457          * subpages.  The returned script is sitewide and publicly cacheable and
 458          * therefore must not include anything that varies according to user,
 459          * interface language, etc. (although it may vary by skin).  See
 460          * makeGlobalVariablesScript for things that can vary per page view and are
 461          * not cacheable.
 462          *
 463          * @return string Raw JavaScript to be returned
 464          */
 465         public function getUserJs() {
 466                 wfProfileIn( __METHOD__ );
 467
 468                 global $wgStylePath;
 469                 $s = "/* generated javascript */\n";
 470                 $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
 471                 $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
 472                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 473                 $commonJs = wfMsgForContent('common.js');
 474                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 475                         $s .= $commonJs;
 476                 }
 477                 wfProfileOut( __METHOD__ );
 478                 return $s;
 479         }
 480
 481         /**
 482          * Return html code that include User stylesheets
 483          */
 484         function getUserStyles() {
 485                 $s = "<style type='text/css'>\n";
 486                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 487                 $s .= $this->getUserStylesheet();
 488                 $s .= "/*]]>*/ /* */\n";
 489                 $s .= "</style>\n";
 490                 return $s;
 491         }
 492
 493         /**
 494          * Some styles that are set by user through the user settings interface.
 495          */
 496         function doGetUserStyles() {
 497                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 498
 499                 $s = '';
 500
 501                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 502                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 503                                 $s .= $wgRequest->getText('wpTextbox1');
 504                         } else {
 505                                 $userpage = $wgUser->getUserPage();
 506                                 $s.= '@import "'.self::makeUrl(
 507                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 508                                         'action=raw&ctype=text/css').'";'."\n";
 509                         }
 510                 }
 511
 512                 return $s . $this->reallyDoGetUserStyles();
 513         }
 514
 515         function reallyDoGetUserStyles() {
 516                 global $wgUser;
 517                 $s = '';
 518                 if (($undopt = $wgUser->getOption("underline")) < 2) {
 519                         $underline = $undopt ? 'underline' : 'none';
 520                         $s .= "a { text-decoration: $underline; }\n";
 521                 }
 522                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 523                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 524                 } else {
 525                         $s .= <<<END
 526 a.new, #quickbar a.new,
 527 a.stub, #quickbar a.stub {
 528         color: inherit;
 529 }
 530 a.new:after, #quickbar a.new:after {
 531         content: "?";
 532         color: #CC2200;
 533 }
 534 a.stub:after, #quickbar a.stub:after {
 535         content: "!";
 536         color: #772233;
 537 }
 538 END;
 539                 }
 540                 if( $wgUser->getOption( 'justify' ) ) {
 541                         $s .= "#article, #bodyContent, #mw_content { text-align: justify; }\n";
 542                 }
 543                 if( !$wgUser->getOption( 'showtoc' ) ) {
 544                         $s .= "#toc { display: none; }\n";
 545                 }
 546                 if( !$wgUser->getOption( 'editsection' ) ) {
 547                         $s .= ".editsection { display: none; }\n";
 548                 }
 549                 return $s;
 550         }
 551
 552         function getBodyOptions() {
 553                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 554
 555                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 556
 557                 if ( 0 != $wgTitle->getNamespace() ) {
 558                         $a = array( 'bgcolor' => '#ffffec' );
 559                 }
 560                 else $a = array( 'bgcolor' => '#FFFFFF' );
 561                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 562                   $wgTitle->userCan( 'edit' ) ) {
 563                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 564                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 565                         $a += array ('ondblclick' => $s);
 566
 567                 }
 568                 $a['onload'] = $wgOut->getOnloadHandler();
 569                 $a['class'] =
 570                         'mediawiki ns-'.$wgTitle->getNamespace().
 571                         ' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 572                         ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 573                 return $a;
 574         }
 575
 576         /**
 577          * URL to the logo
 578          */
 579         function getLogo() {
 580                 global $wgLogo;
 581                 return $wgLogo;
 582         }
 583
 584         /**
 585          * This will be called immediately after the <body> tag.  Split into
 586          * two functions to make it easier to subclass.
 587          */
 588         function beforeContent() {
 589                 return $this->doBeforeContent();
 590         }
 591
 592         function doBeforeContent() {
 593                 global $wgContLang;
 594                 $fname = 'Skin::doBeforeContent';
 595                 wfProfileIn( $fname );
 596
 597                 $s = '';
 598                 $qb = $this->qbSetting();
 599
 600                 if( $langlinks = $this->otherLanguages() ) {
 601                         $rows = 2;
 602                         $borderhack = '';
 603                 } else {
 604                         $rows = 1;
 605                         $langlinks = false;
 606                         $borderhack = 'class="top"';
 607                 }
 608
 609                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 610                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 611
 612                 $shove = ($qb != 0);
 613                 $left = ($qb == 1 || $qb == 3);
 614                 if($wgContLang->isRTL()) $left = !$left;
 615
 616                 if ( !$shove ) {
 617                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 618                           $this->logoText() . '</td>';
 619                 } elseif( $left ) {
 620                         $s .= $this->getQuickbarCompensator( $rows );
 621                 }
 622                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 623                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 624
 625                 $s .= $this->topLinks() ;
 626                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 627
 628                 $r = $wgContLang->isRTL() ? "left" : "right";
 629                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 630                 $s .= $this->nameAndLogin();
 631                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 632
 633                 if ( $langlinks ) {
 634                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 635                 }
 636
 637                 if ( $shove && !$left ) { # Right
 638                         $s .= $this->getQuickbarCompensator( $rows );
 639                 }
 640                 $s .= "</tr>\n</table>\n</div>\n";
 641                 $s .= "\n<div id='article'>\n";
 642
 643                 $notice = wfGetSiteNotice();
 644                 if( $notice ) {
 645                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 646                 }
 647                 $s .= $this->pageTitle();
 648                 $s .= $this->pageSubtitle() ;
 649                 $s .= $this->getCategories();
 650                 wfProfileOut( $fname );
 651                 return $s;
 652         }
 653
 654
 655         function getCategoryLinks() {
 656                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 657                 global $wgContLang, $wgUser;
 658
 659                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 660
 661                 # Separator
 662                 $sep = wfMsgHtml( 'catseparator' );
 663
 664                 // Use Unicode bidi embedding override characters,
 665                 // to make sure links don't smash each other up in ugly ways.
 666                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 667                 $embed = "<span dir='$dir'>";
 668                 $pop = '</span>';
 669
 670                 $allCats = $wgOut->getCategoryLinks();
 671                 $s = '';
 672                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 673                 if ( !empty( $allCats['normal'] ) ) {
 674                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 675
 676                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 677                         $s .= '<div id="mw-normal-catlinks">' .
 678                                 $this->link( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 679                                 . $colon . $t . '</div>';
 680                 }
 681
 682                 # Hidden categories
 683                 if ( isset( $allCats['hidden'] ) ) {
 684                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 685                                 $class ='mw-hidden-cats-user-shown';
 686                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 687                                 $class = 'mw-hidden-cats-ns-shown';
 688                         } else {
 689                                 $class = 'mw-hidden-cats-hidden';
 690                         }
 691                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 692                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 693                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 694                                 "</div>";
 695                 }
 696
 697                 # optional 'dmoz-like' category browser. Will be shown under the list
 698                 # of categories an article belong to
 699                 if($wgUseCategoryBrowser) {
 700                         $s .= '<br /><hr />';
 701
 702                         # get a big array of the parents tree
 703                         $parenttree = $wgTitle->getParentCategoryTree();
 704                         # Skin object passed by reference cause it can not be
 705                         # accessed under the method subfunction drawCategoryBrowser
 706                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 707                         # Clean out bogus first entry and sort them
 708                         unset($tempout[0]);
 709                         asort($tempout);
 710                         # Output one per line
 711                         $s .= implode("<br />\n", $tempout);
 712                 }
 713
 714                 return $s;
 715         }
 716
 717         /** Render the array as a serie of links.
 718          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 719          * @param &skin Object: skin passed by reference
 720          * @return String separated by &gt;, terminate with "\n"
 721          */
 722         function drawCategoryBrowser($tree, &$skin) {
 723                 $return = '';
 724                 foreach ($tree as $element => $parent) {
 725                         if (empty($parent)) {
 726                                 # element start a new list
 727                                 $return .= "\n";
 728                         } else {
 729                                 # grab the others elements
 730                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 731                         }
 732                         # add our current element to the list
 733                         $eltitle = Title::newFromText($element);
 734                         $return .=  $skin->link( $eltitle, $eltitle->getText() ) ;
 735                 }
 736                 return $return;
 737         }
 738
 739         function getCategories() {
 740                 $catlinks=$this->getCategoryLinks();
 741
 742                 $classes = 'catlinks';
 743
 744                 if( strpos( $catlinks, '<div id="mw-normal-catlinks">' ) === false &&
 745                         strpos( $catlinks, '<div id="mw-hidden-catlinks" class="mw-hidden-cats-hidden">' ) !== false ) {
 746                         $classes .= ' catlinks-allhidden';
 747                 }
 748
 749                 if( !empty( $catlinks ) ){
 750                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 751                 }
 752         }
 753
 754         function getQuickbarCompensator( $rows = 1 ) {
 755                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 756         }
 757
 758         /**
 759          * This runs a hook to allow extensions placing their stuff after content
 760          * and article metadata (e.g. categories).
 761          * Note: This function has nothing to do with afterContent().
 762          *
 763          * This hook is placed here in order to allow using the same hook for all
 764          * skins, both the SkinTemplate based ones and the older ones, which directly
 765          * use this class to get their data.
 766          *
 767          * The output of this function gets processed in SkinTemplate::outputPage() for
 768          * the SkinTemplate based skins, all other skins should directly echo it.
 769          *
 770          * Returns an empty string by default, if not changed by any hook function.
 771          */
 772         protected function afterContentHook () {
 773                 $data = "";
 774
 775                 if (wfRunHooks ('SkinAfterContent', array (&$data))) {
 776                         // adding just some spaces shouldn't toggle the output
 777                         // of the whole <div/>, so we use trim() here
 778                         if (trim ($data) != "") {
 779                                 // Doing this here instead of in the skins to
 780                                 // ensure that the div has the same ID in all
 781                                 // skins
 782                                 $data = "<!-- begin SkinAfterContent hook -->\n" .
 783                                         "<div id='mw-data-after-content'>\n" .
 784                                         "\t$data\n" .
 785                                         "</div>\n" .
 786                                         "<!-- end SkinAfterContent hook -->\n";
 787                         }
 788                 } else {
 789                         wfDebug ('Hook SkinAfterContent changed output processing.');
 790                 }
 791
 792                 return $data;
 793         }
 794
 795         /**
 796          * This gets called shortly before the \</body\> tag.
 797          * @return String HTML to be put before \</body\>
 798          */
 799         function afterContent() {
 800                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 801                 return $printfooter . $this->doAfterContent();
 802         }
 803
 804         /**
 805          * This gets called shortly before the \</body\> tag.
 806          * @return String HTML-wrapped JS code to be put before \</body\>
 807          */
 808         function bottomScripts() {
 809                 global $wgJsMimeType;
 810                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 811                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 812                 return $bottomScriptText;
 813         }
 814
 815         /** @return string Retrievied from HTML text */
 816         function printSource() {
 817                 global $wgTitle;
 818                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 819                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 820         }
 821
 822         function printFooter() {
 823                 return "<p>" .  $this->printSource() .
 824                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 825         }
 826
 827         /** overloaded by derived classes */
 828         function doAfterContent() { }
 829
 830         function pageTitleLinks() {
 831                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 832
 833                 $oldid = $wgRequest->getVal( 'oldid' );
 834                 $diff = $wgRequest->getVal( 'diff' );
 835                 $action = $wgRequest->getText( 'action' );
 836
 837                 $s = $this->printableLink();
 838                 $disclaimer = $this->disclaimerLink(); # may be empty
 839                 if( $disclaimer ) {
 840                         $s .= ' | ' . $disclaimer;
 841                 }
 842                 $privacy = $this->privacyLink(); # may be empty too
 843                 if( $privacy ) {
 844                         $s .= ' | ' . $privacy;
 845                 }
 846
 847                 if ( $wgOut->isArticleRelated() ) {
 848                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 849                                 $name = $wgTitle->getDBkey();
 850                                 $image = wfFindFile( $wgTitle );
 851                                 if( $image ) {
 852                                         $link = htmlspecialchars( $image->getURL() );
 853                                         $style = $this->getInternalLinkAttributes( $link, $name );
 854                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 855                                 }
 856                         }
 857                 }
 858                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 859                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 860                                         wfMsg( 'currentrev' ) );
 861                 }
 862
 863                 if ( $wgUser->getNewtalk() ) {
 864                         # do not show "You have new messages" text when we are viewing our
 865                         # own talk page
 866                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 867                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 868                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 869                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 870                                 # disable caching
 871                                 $wgOut->setSquidMaxage(0);
 872                                 $wgOut->enableClientCache(false);
 873                         }
 874                 }
 875
 876                 $undelete = $this->getUndeleteLink();
 877                 if( !empty( $undelete ) ) {
 878                         $s .= ' | '.$undelete;
 879                 }
 880                 return $s;
 881         }
 882
 883         function getUndeleteLink() {
 884                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 885                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 886                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 887                         ($n = $wgTitle->isDeleted() ) )
 888                 {
 889                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 890                                 $msg = 'thisisdeleted';
 891                         } else {
 892                                 $msg = 'viewdeleted';
 893                         }
 894                         return wfMsg( $msg,
 895                                 $this->makeKnownLinkObj(
 896                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 897                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 898                 }
 899                 return '';
 900         }
 901
 902         function printableLink() {
 903                 global $wgOut, $wgFeedClasses, $wgRequest;
 904
 905                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 906
 907                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 908                 if( $wgOut->isSyndicated() ) {
 909                         foreach( $wgFeedClasses as $format => $class ) {
 910                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 911                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 912                         }
 913                 }
 914                 return $s;
 915         }
 916
 917         function pageTitle() {
 918                 global $wgOut;
 919                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 920                 return $s;
 921         }
 922
 923         function pageSubtitle() {
 924                 global $wgOut;
 925
 926                 $sub = $wgOut->getSubtitle();
 927                 if ( '' == $sub ) {
 928                         global $wgExtraSubtitle;
 929                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 930                 }
 931                 $subpages = $this->subPageSubtitle();
 932                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 933                 $s = "<p class='subtitle'>{$sub}</p>\n";
 934                 return $s;
 935         }
 936
 937         function subPageSubtitle() {
 938                 $subpages = '';
 939                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 940                         return $subpages;
 941
 942                 global $wgOut, $wgTitle;
 943                 if($wgOut->isArticle() && MWNamespace::hasSubpages( $wgTitle->getNamespace() )) {
 944                         $ptext=$wgTitle->getPrefixedText();
 945                         if(preg_match('/\//',$ptext)) {
 946                                 $links = explode('/',$ptext);
 947                                 array_pop( $links );
 948                                 $c = 0;
 949                                 $growinglink = '';
 950                                 $display = '';
 951                                 foreach($links as $link) {
 952                                         $growinglink .= $link;
 953                                         $display .= $link;
 954                                         $linkObj = Title::newFromText( $growinglink );
 955                                         if( is_object( $linkObj ) && $linkObj->exists() ){
 956                                                 $getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
 957                                                 $c++;
 958                                                 if ($c>1) {
 959                                                         $subpages .= ' | ';
 960                                                 } else  {
 961                                                         $subpages .= '&lt; ';
 962                                                 }
 963                                                 $subpages .= $getlink;
 964                                                 $display = '';
 965                                         } else {
 966                                                 $display .= '/';
 967                                         }
 968                                         $growinglink .= '/';
 969                                 }
 970                         }
 971                 }
 972                 return $subpages;
 973         }
 974
 975         /**
 976          * Returns true if the IP should be shown in the header
 977          */
 978         function showIPinHeader() {
 979                 global $wgShowIPinHeader;
 980                 return $wgShowIPinHeader && session_id() != '';
 981         }
 982
 983         function nameAndLogin() {
 984                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 985
 986                 $logoutPage = $wgContLang->specialPage( 'Userlogout' );
 987
 988                 $ret = '';
 989                 if ( $wgUser->isAnon() ) {
 990                         if( $this->showIPinHeader() ) {
 991                                 $name = wfGetIP();
 992
 993                                 $talkLink = $this->link( $wgUser->getTalkPage(),
 994                                         $wgLang->getNsText( NS_TALK ) );
 995
 996                                 $ret .= "$name ($talkLink)";
 997                         } else {
 998                                 $ret .= wfMsg( 'notloggedin' );
 999                         }
1000
1001                         $returnTo = $wgTitle->getPrefixedDBkey();
1002                         $query = array();
1003                         if ( $logoutPage != $returnTo ) {
1004                                 $query['returnto'] = $returnTo;
1005                         }
1006
1007                         $loginlink = $wgUser->isAllowed( 'createaccount' )
1008                                 ? 'nav-login-createaccount'
1009                                 : 'login';
1010                         $ret .= "\n<br />" . $this->link(
1011                                 SpecialPage::getTitleFor( 'Userlogin' ),
1012                                 wfMsg( $loginlink ), array(), $query
1013                         );
1014                 } else {
1015                         $returnTo = $wgTitle->getPrefixedDBkey();
1016                         $talkLink = $this->link( $wgUser->getTalkPage(),
1017                                 $wgLang->getNsText( NS_TALK ) );
1018
1019                         $ret .= $this->link( $wgUser->getUserPage(),
1020                                 htmlspecialchars( $wgUser->getName() ) );
1021                         $ret .= " ($talkLink)<br />";
1022                         $ret .= $this->link(
1023                                 SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
1024                                 array(), array( 'returnto' => $returnTo )
1025                         );
1026                         $ret .= ' | ' . $this->specialLink( 'preferences' );
1027                 }
1028                 $ret .= ' | ' . $this->link(
1029                         Title::newFromText( wfMsgForContent( 'helppage' ) ),
1030                         wfMsg( 'help' )
1031                 );
1032
1033                 return $ret;
1034         }
1035
1036         function getSearchLink() {
1037                 $searchPage = SpecialPage::getTitleFor( 'Search' );
1038                 return $searchPage->getLocalURL();
1039         }
1040
1041         function escapeSearchLink() {
1042                 return htmlspecialchars( $this->getSearchLink() );
1043         }
1044
1045         function searchForm() {
1046                 global $wgRequest;
1047                 $search = $wgRequest->getText( 'search' );
1048
1049                 $s = '<form id="searchform'.$this->searchboxes.'" name="search" class="inline" method="post" action="'
1050                   . $this->escapeSearchLink() . "\">\n"
1051                   . '<input type="text" id="searchInput'.$this->searchboxes.'" name="search" size="19" value="'
1052                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
1053                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
1054                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
1055
1056                 // Ensure unique id's for search boxes made after the first
1057                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
1058
1059                 return $s;
1060         }
1061
1062         function topLinks() {
1063                 global $wgOut;
1064                 $sep = " |\n";
1065
1066                 $s = $this->mainPageLink() . $sep
1067                   . $this->specialLink( 'recentchanges' );
1068
1069                 if ( $wgOut->isArticleRelated() ) {
1070                         $s .=  $sep . $this->editThisPage()
1071                           . $sep . $this->historyLink();
1072                 }
1073                 # Many people don't like this dropdown box
1074                 #$s .= $sep . $this->specialPagesList();
1075
1076                 $s .= $this->variantLinks();
1077
1078                 $s .= $this->extensionTabLinks();
1079
1080                 return $s;
1081         }
1082
1083         /**
1084          * Compatibility for extensions adding functionality through tabs.
1085          * Eventually these old skins should be replaced with SkinTemplate-based
1086          * versions, sigh...
1087          * @return string
1088          */
1089         function extensionTabLinks() {
1090                 $tabs = array();
1091                 $s = '';
1092                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1093                 foreach( $tabs as $tab ) {
1094                         $s .= ' | ' . Xml::element( 'a',
1095                                 array( 'href' => $tab['href'] ),
1096                                 $tab['text'] );
1097                 }
1098                 return $s;
1099         }
1100
1101         /**
1102          * Language/charset variant links for classic-style skins
1103          * @return string
1104          */
1105         function variantLinks() {
1106                 $s = '';
1107                 /* show links to different language variants */
1108                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1109                 $variants = $wgContLang->getVariants();
1110                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1111                         foreach( $variants as $code ) {
1112                                 $varname = $wgContLang->getVariantname( $code );
1113                                 if( $varname == 'disable' )
1114                                         continue;
1115                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1116                         }
1117                 }
1118                 return $s;
1119         }
1120
1121         function bottomLinks() {
1122                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1123                 $sep = " |\n";
1124
1125                 $s = '';
1126                 if ( $wgOut->isArticleRelated() ) {
1127                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1128                         if ( $wgUser->isLoggedIn() ) {
1129                                 $s .= $sep . $this->watchThisPage();
1130                         }
1131                         $s .= $sep . $this->talkLink()
1132                           . $sep . $this->historyLink()
1133                           . $sep . $this->whatLinksHere()
1134                           . $sep . $this->watchPageLinksLink();
1135
1136                         if ($wgUseTrackbacks)
1137                                 $s .= $sep . $this->trackbackLink();
1138
1139                         if ( $wgTitle->getNamespace() == NS_USER
1140                             || $wgTitle->getNamespace() == NS_USER_TALK )
1141
1142                         {
1143                                 $id=User::idFromName($wgTitle->getText());
1144                                 $ip=User::isIP($wgTitle->getText());
1145
1146                                 if($id || $ip) { # both anons and non-anons have contri list
1147                                         $s .= $sep . $this->userContribsLink();
1148                                 }
1149                                 if( $this->showEmailUser( $id ) ) {
1150                                         $s .= $sep . $this->emailUserLink();
1151                                 }
1152                         }
1153                         if ( $wgTitle->getArticleId() ) {
1154                                 $s .= "\n<br />";
1155                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1156                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1157                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1158                         }
1159                         $s .= "<br />\n" . $this->otherLanguages();
1160                 }
1161                 return $s;
1162         }
1163
1164         function pageStats() {
1165                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1166                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1167
1168                 $oldid = $wgRequest->getVal( 'oldid' );
1169                 $diff = $wgRequest->getVal( 'diff' );
1170                 if ( ! $wgOut->isArticle() ) { return ''; }
1171                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1172                 if ( 0 == $wgArticle->getID() ) { return ''; }
1173
1174                 $s = '';
1175                 if ( !$wgDisableCounters ) {
1176                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1177                         if ( $count ) {
1178                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1179                         }
1180                 }
1181
1182                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1183                     require_once('Credits.php');
1184                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1185                 } else {
1186                     $s .= $this->lastModified();
1187                 }
1188
1189                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1190                         $dbr = wfGetDB( DB_SLAVE );
1191                         $watchlist = $dbr->tableName( 'watchlist' );
1192                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1193                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1194                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1195                         $res = $dbr->query( $sql, 'Skin::pageStats');
1196                         $x = $dbr->fetchObject( $res );
1197
1198                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1199                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1200                         );
1201                 }
1202
1203                 return $s . ' ' .  $this->getCopyright();
1204         }
1205
1206         function getCopyright( $type = 'detect' ) {
1207                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1208
1209                 if ( $type == 'detect' ) {
1210                         $oldid = $wgRequest->getVal( 'oldid' );
1211                         $diff = $wgRequest->getVal( 'diff' );
1212
1213                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1214                                 $type = 'history';
1215                         } else {
1216                                 $type = 'normal';
1217                         }
1218                 }
1219
1220                 if ( $type == 'history' ) {
1221                         $msg = 'history_copyright';
1222                 } else {
1223                         $msg = 'copyright';
1224                 }
1225
1226                 $out = '';
1227                 if( $wgRightsPage ) {
1228                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1229                 } elseif( $wgRightsUrl ) {
1230                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1231                 } else {
1232                         # Give up now
1233                         return $out;
1234                 }
1235                 $out .= wfMsgForContent( $msg, $link );
1236                 return $out;
1237         }
1238
1239         function getCopyrightIcon() {
1240                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1241                 $out = '';
1242                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1243                         $out = $wgCopyrightIcon;
1244                 } else if ( $wgRightsIcon ) {
1245                         $icon = htmlspecialchars( $wgRightsIcon );
1246                         if ( $wgRightsUrl ) {
1247                                 $url = htmlspecialchars( $wgRightsUrl );
1248                                 $out .= '<a href="'.$url.'">';
1249                         }
1250                         $text = htmlspecialchars( $wgRightsText );
1251                         $out .= "<img src=\"$icon\" alt='$text' />";
1252                         if ( $wgRightsUrl ) {
1253                                 $out .= '</a>';
1254                         }
1255                 }
1256                 return $out;
1257         }
1258
1259         function getPoweredBy() {
1260                 global $wgStylePath;
1261                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1262                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1263                 return $img;
1264         }
1265
1266         function lastModified() {
1267                 global $wgLang, $wgArticle;
1268                 if( $this->mRevisionId ) {
1269                         $timestamp = Revision::getTimestampFromId( $this->mRevisionId, $wgArticle->getId() );
1270                 } else {
1271                         $timestamp = $wgArticle->getTimestamp();
1272                 }
1273                 if ( $timestamp ) {
1274                         $d = $wgLang->date( $timestamp, true );
1275                         $t = $wgLang->time( $timestamp, true );
1276                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1277                 } else {
1278                         $s = '';
1279                 }
1280                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1281                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1282                 }
1283                 return $s;
1284         }
1285
1286         function logoText( $align = '' ) {
1287                 if ( '' != $align ) { $a = " align='{$align}'"; }
1288                 else { $a = ''; }
1289
1290                 $mp = wfMsg( 'mainpage' );
1291                 $mptitle = Title::newMainPage();
1292                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1293
1294                 $logourl = $this->getLogo();
1295                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1296                 return $s;
1297         }
1298
1299         /**
1300          * show a drop-down box of special pages
1301          */
1302         function specialPagesList() {
1303                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1304                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1305                 foreach ( $pages as $name => $page ) {
1306                         $pages[$name] = $page->getDescription();
1307                 }
1308
1309                 $go = wfMsg( 'go' );
1310                 $sp = wfMsg( 'specialpages' );
1311                 $spp = $wgContLang->specialPage( 'Specialpages' );
1312
1313                 $s = '<form id="specialpages" method="get" class="inline" ' .
1314                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1315                 $s .= "<select name=\"wpDropdown\">\n";
1316                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1317
1318
1319                 foreach ( $pages as $name => $desc ) {
1320                         $p = $wgContLang->specialPage( $name );
1321                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1322                 }
1323                 $s .= "</select>\n";
1324                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1325                 $s .= "</form>\n";
1326                 return $s;
1327         }
1328
1329         function mainPageLink() {
1330                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1331                 return $s;
1332         }
1333
1334         function copyrightLink() {
1335                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1336                   wfMsg( 'copyrightpagename' ) );
1337                 return $s;
1338         }
1339
1340         private function footerLink ( $desc, $page ) {
1341                 // if the link description has been set to "-" in the default language,
1342                 if ( wfMsgForContent( $desc )  == '-') {
1343                         // then it is disabled, for all languages.
1344                         return '';
1345                 } else {
1346                         // Otherwise, we display the link for the user, described in their
1347                         // language (which may or may not be the same as the default language),
1348                         // but we make the link target be the one site-wide page.
1349                         return $this->makeKnownLink( wfMsgForContent( $page ),
1350                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1351                 }
1352         }
1353
1354         function privacyLink() {
1355                 return $this->footerLink( 'privacy', 'privacypage' );
1356         }
1357
1358         function aboutLink() {
1359                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1360         }
1361
1362         function disclaimerLink() {
1363                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1364         }
1365
1366         function editThisPage() {
1367                 global $wgOut, $wgTitle;
1368
1369                 if ( !$wgOut->isArticleRelated() ) {
1370                         $s = wfMsg( 'protectedpage' );
1371                 } else {
1372                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1373                                 $t = wfMsg( 'editthispage' );
1374                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1375                                 $t = wfMsg( 'create-this-page' );
1376                         } else {
1377                                 $t = wfMsg( 'viewsource' );
1378                         }
1379
1380                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1381                 }
1382                 return $s;
1383         }
1384
1385         /**
1386          * Return URL options for the 'edit page' link.
1387          * This may include an 'oldid' specifier, if the current page view is such.
1388          *
1389          * @return string
1390          * @private
1391          */
1392         function editUrlOptions() {
1393                 global $wgArticle;
1394
1395                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1396                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1397                 } else {
1398                         return "action=edit";
1399                 }
1400         }
1401
1402         function deleteThisPage() {
1403                 global $wgUser, $wgTitle, $wgRequest;
1404
1405                 $diff = $wgRequest->getVal( 'diff' );
1406                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1407                         $t = wfMsg( 'deletethispage' );
1408
1409                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1410                 } else {
1411                         $s = '';
1412                 }
1413                 return $s;
1414         }
1415
1416         function protectThisPage() {
1417                 global $wgUser, $wgTitle, $wgRequest;
1418
1419                 $diff = $wgRequest->getVal( 'diff' );
1420                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1421                         if ( $wgTitle->isProtected() ) {
1422                                 $t = wfMsg( 'unprotectthispage' );
1423                                 $q = 'action=unprotect';
1424                         } else {
1425                                 $t = wfMsg( 'protectthispage' );
1426                                 $q = 'action=protect';
1427                         }
1428                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1429                 } else {
1430                         $s = '';
1431                 }
1432                 return $s;
1433         }
1434
1435         function watchThisPage() {
1436                 global $wgOut, $wgTitle;
1437                 ++$this->mWatchLinkNum;
1438
1439                 if ( $wgOut->isArticleRelated() ) {
1440                         if ( $wgTitle->userIsWatching() ) {
1441                                 $t = wfMsg( 'unwatchthispage' );
1442                                 $q = 'action=unwatch';
1443                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1444                         } else {
1445                                 $t = wfMsg( 'watchthispage' );
1446                                 $q = 'action=watch';
1447                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1448                         }
1449                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1450                 } else {
1451                         $s = wfMsg( 'notanarticle' );
1452                 }
1453                 return $s;
1454         }
1455
1456         function moveThisPage() {
1457                 global $wgTitle;
1458
1459                 if ( $wgTitle->userCan( 'move' ) ) {
1460                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1461                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1462                 } else {
1463                         // no message if page is protected - would be redundant
1464                         return '';
1465                 }
1466         }
1467
1468         function historyLink() {
1469                 global $wgTitle;
1470
1471                 return $this->makeKnownLinkObj( $wgTitle,
1472                   wfMsg( 'history' ), 'action=history' );
1473         }
1474
1475         function whatLinksHere() {
1476                 global $wgTitle;
1477
1478                 return $this->makeKnownLinkObj(
1479                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1480                         wfMsg( 'whatlinkshere' ) );
1481         }
1482
1483         function userContribsLink() {
1484                 global $wgTitle;
1485
1486                 return $this->makeKnownLinkObj(
1487                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1488                         wfMsg( 'contributions' ) );
1489         }
1490
1491         function showEmailUser( $id ) {
1492                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1493                 return $wgEnableEmail &&
1494                        $wgEnableUserEmail &&
1495                        $wgUser->isLoggedIn() && # show only to signed in users
1496                        0 != $id; # we can only email to non-anons ..
1497 #                      '' != $id->getEmail() && # who must have an email address stored ..
1498 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1499 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1500         }
1501
1502         function emailUserLink() {
1503                 global $wgTitle;
1504
1505                 return $this->makeKnownLinkObj(
1506                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1507                         wfMsg( 'emailuser' ) );
1508         }
1509
1510         function watchPageLinksLink() {
1511                 global $wgOut, $wgTitle;
1512
1513                 if ( ! $wgOut->isArticleRelated() ) {
1514                         return '(' . wfMsg( 'notanarticle' ) . ')';
1515                 } else {
1516                         return $this->makeKnownLinkObj(
1517                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1518                                 wfMsg( 'recentchangeslinked' ) );
1519                 }
1520         }
1521
1522         function trackbackLink() {
1523                 global $wgTitle;
1524
1525                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1526                         . wfMsg('trackbacklink') . "</a>";
1527         }
1528
1529         function otherLanguages() {
1530                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1531
1532                 if ( $wgHideInterlanguageLinks ) {
1533                         return '';
1534                 }
1535
1536                 $a = $wgOut->getLanguageLinks();
1537                 if ( 0 == count( $a ) ) {
1538                         return '';
1539                 }
1540
1541                 $s = wfMsg( 'otherlanguages' ) . ': ';
1542                 $first = true;
1543                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1544                 foreach( $a as $l ) {
1545                         if ( ! $first ) { $s .= ' | '; }
1546                         $first = false;
1547
1548                         $nt = Title::newFromText( $l );
1549                         $url = $nt->escapeFullURL();
1550                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1551
1552                         if ( '' == $text ) { $text = $l; }
1553                         $style = $this->getExternalLinkAttributes( $l, $text );
1554                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1555                 }
1556                 if($wgContLang->isRTL()) $s .= '</span>';
1557                 return $s;
1558         }
1559
1560         function bugReportsLink() {
1561                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1562                   wfMsg( 'bugreports' ) );
1563                 return $s;
1564         }
1565
1566         function talkLink() {
1567                 global $wgTitle;
1568
1569                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1570                         # No discussion links for special pages
1571                         return '';
1572                 }
1573
1574                 if( $wgTitle->isTalkPage() ) {
1575                         $link = $wgTitle->getSubjectPage();
1576                         switch( $link->getNamespace() ) {
1577                                 case NS_MAIN:
1578                                         $text = wfMsg( 'articlepage' );
1579                                         break;
1580                                 case NS_USER:
1581                                         $text = wfMsg( 'userpage' );
1582                                         break;
1583                                 case NS_PROJECT:
1584                                         $text = wfMsg( 'projectpage' );
1585                                         break;
1586                                 case NS_IMAGE:
1587                                         $text = wfMsg( 'imagepage' );
1588                                         break;
1589                                 case NS_MEDIAWIKI:
1590                                         $text = wfMsg( 'mediawikipage' );
1591                                         break;
1592                                 case NS_TEMPLATE:
1593                                         $text = wfMsg( 'templatepage' );
1594                                         break;
1595                                 case NS_HELP:
1596                                         $text = wfMsg( 'viewhelppage' );
1597                                         break;
1598                                 case NS_CATEGORY:
1599                                         $text = wfMsg( 'categorypage' );
1600                                         break;
1601                                 default:
1602                                         $text = wfMsg( 'articlepage' );
1603                         }
1604                 } else {
1605                         $link = $wgTitle->getTalkPage();
1606                         $text = wfMsg( 'talkpage' );
1607                 }
1608
1609                 $s = $this->makeLinkObj( $link, $text );
1610
1611                 return $s;
1612         }
1613
1614         function commentLink() {
1615                 global $wgTitle, $wgOut;
1616
1617                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1618                         return '';
1619                 }
1620
1621                 # __NEWSECTIONLINK___ changes behaviour here
1622                 # If it's present, the link points to this page, otherwise
1623                 # it points to the talk page
1624                 if( $wgTitle->isTalkPage() ) {
1625                         $title = $wgTitle;
1626                 } elseif( $wgOut->showNewSectionLink() ) {
1627                         $title = $wgTitle;
1628                 } else {
1629                         $title = $wgTitle->getTalkPage();
1630                 }
1631
1632                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1633         }
1634
1635         /* these are used extensively in SkinTemplate, but also some other places */
1636         static function makeMainPageUrl( $urlaction = '' ) {
1637                 $title = Title::newMainPage();
1638                 self::checkTitle( $title, '' );
1639                 return $title->getLocalURL( $urlaction );
1640         }
1641
1642         static function makeSpecialUrl( $name, $urlaction = '' ) {
1643                 $title = SpecialPage::getTitleFor( $name );
1644                 return $title->getLocalURL( $urlaction );
1645         }
1646
1647         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1648                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1649                 return $title->getLocalURL( $urlaction );
1650         }
1651
1652         static function makeI18nUrl( $name, $urlaction = '' ) {
1653                 $title = Title::newFromText( wfMsgForContent( $name ) );
1654                 self::checkTitle( $title, $name );
1655                 return $title->getLocalURL( $urlaction );
1656         }
1657
1658         static function makeUrl( $name, $urlaction = '' ) {
1659                 $title = Title::newFromText( $name );
1660                 self::checkTitle( $title, $name );
1661                 return $title->getLocalURL( $urlaction );
1662         }
1663
1664         # If url string starts with http, consider as external URL, else
1665         # internal
1666         static function makeInternalOrExternalUrl( $name ) {
1667                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1668                         return $name;
1669                 } else {
1670                         return self::makeUrl( $name );
1671                 }
1672         }
1673
1674         # this can be passed the NS number as defined in Language.php
1675         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1676                 $title = Title::makeTitleSafe( $namespace, $name );
1677                 self::checkTitle( $title, $name );
1678                 return $title->getLocalURL( $urlaction );
1679         }
1680
1681         /* these return an array with the 'href' and boolean 'exists' */
1682         static function makeUrlDetails( $name, $urlaction = '' ) {
1683                 $title = Title::newFromText( $name );
1684                 self::checkTitle( $title, $name );
1685                 return array(
1686                         'href' => $title->getLocalURL( $urlaction ),
1687                         'exists' => $title->getArticleID() != 0 ? true : false
1688                 );
1689         }
1690
1691         /**
1692          * Make URL details where the article exists (or at least it's convenient to think so)
1693          */
1694         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1695                 $title = Title::newFromText( $name );
1696                 self::checkTitle( $title, $name );
1697                 return array(
1698                         'href' => $title->getLocalURL( $urlaction ),
1699                         'exists' => true
1700                 );
1701         }
1702
1703         # make sure we have some title to operate on
1704         static function checkTitle( &$title, $name ) {
1705                 if( !is_object( $title ) ) {
1706                         $title = Title::newFromText( $name );
1707                         if( !is_object( $title ) ) {
1708                                 $title = Title::newFromText( '--error: link target missing--' );
1709                         }
1710                 }
1711         }
1712
1713         /**
1714          * Build an array that represents the sidebar(s), the navigation bar among them
1715          *
1716          * @return array
1717          */
1718         function buildSidebar() {
1719                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1720                 global $wgLang;
1721                 wfProfileIn( __METHOD__ );
1722
1723                 $key = wfMemcKey( 'sidebar', $wgLang->getCode() );
1724
1725                 if ( $wgEnableSidebarCache ) {
1726                         $cachedsidebar = $parserMemc->get( $key );
1727                         if ( $cachedsidebar ) {
1728                                 wfProfileOut( __METHOD__ );
1729                                 return $cachedsidebar;
1730                         }
1731                 }
1732
1733                 $bar = array();
1734                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1735                 $heading = '';
1736                 foreach ($lines as $line) {
1737                         if (strpos($line, '*') !== 0)
1738                                 continue;
1739                         if (strpos($line, '**') !== 0) {
1740                                 $line = trim($line, '* ');
1741                                 $heading = $line;
1742                                 if( !array_key_exists($heading, $bar) ) $bar[$heading] = array();
1743                         } else {
1744                                 if (strpos($line, '|') !== false) { // sanity check
1745                                         $line = array_map('trim', explode( '|' , trim($line, '* '), 2 ) );
1746                                         $link = wfMsgForContent( $line[0] );
1747                                         if ($link == '-')
1748                                                 continue;
1749                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1750                                                 $text = $line[1];
1751                                         if (wfEmptyMsg($line[0], $link))
1752                                                 $link = $line[0];
1753
1754                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1755                                                 $href = $link;
1756                                         } else {
1757                                                 $title = Title::newFromText( $link );
1758                                                 if ( $title ) {
1759                                                         $title = $title->fixSpecialName();
1760                                                         $href = $title->getLocalURL();
1761                                                 } else {
1762                                                         $href = 'INVALID-TITLE';
1763                                                 }
1764                                         }
1765
1766                                         $bar[$heading][] = array(
1767                                                 'text' => $text,
1768                                                 'href' => $href,
1769                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1770                                                 'active' => false
1771                                         );
1772                                 } else { continue; }
1773                         }
1774                 }
1775                 wfRunHooks('SkinBuildSidebar', array($this, &$bar));
1776                 if ( $wgEnableSidebarCache ) $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1777                 wfProfileOut( __METHOD__ );
1778                 return $bar;
1779         }
1780 }