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         /**
 438          * Get the site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 439          */
 440         function getSiteStylesheet() {
 441                 global $wgStylePath, $wgContLang, $wgStyleVersion;
 442                 $sheet = $this->getStylesheet();
 443                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 444                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 445                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 446                 if( $wgContLang->isRTL() )
 447                         $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 448                 return "$s\n";
 449         }
 450
 451         /**
 452          * Get the user-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 453          */
 454         function getUserStylesheet() {
 455                 global $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 456                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 457                 $s = '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n";
 458                 $s .= '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 459                 $s .= $this->doGetUserStyles();
 460                 return "$s\n";
 461         }
 462
 463         /**
 464          * This returns MediaWiki:Common.js, and derived classes may add other JS.
 465          * Despite its name, it does *not* return any custom user JS from user
 466          * subpages.  The returned script is sitewide and publicly cacheable and
 467          * therefore must not include anything that varies according to user,
 468          * interface language, etc. (although it may vary by skin).  See
 469          * makeGlobalVariablesScript for things that can vary per page view and are
 470          * not cacheable.
 471          *
 472          * @return string Raw JavaScript to be returned
 473          */
 474         public function getUserJs() {
 475                 wfProfileIn( __METHOD__ );
 476
 477                 global $wgStylePath;
 478                 $s = "/* generated javascript */\n";
 479                 $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
 480                 $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
 481                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 482                 $commonJs = wfMsgForContent('common.js');
 483                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 484                         $s .= $commonJs;
 485                 }
 486                 wfProfileOut( __METHOD__ );
 487                 return $s;
 488         }
 489
 490         /**
 491          * Return html code that include site stylesheets
 492          */
 493         function getSiteStyles() {
 494                 $s = "<style type='text/css'>\n";
 495                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 496                 $s .= $this->getSiteStylesheet();
 497                 $s .= "/*]]>*/ /* */\n";
 498                 $s .= "</style>\n";
 499                 return $s;
 500         }
 501
 502         /**
 503          * Return html code that include User stylesheets
 504          */
 505         function getUserStyles() {
 506                 $s = "<style type='text/css'>\n";
 507                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 508                 $s .= $this->getUserStylesheet();
 509                 $s .= "/*]]>*/ /* */\n";
 510                 $s .= "</style>\n";
 511                 return $s;
 512         }
 513
 514         /**
 515          * Some styles that are set by user through the user settings interface.
 516          */
 517         function doGetUserStyles() {
 518                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 519
 520                 $s = '';
 521
 522                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 523                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 524                                 $s .= $wgRequest->getText('wpTextbox1');
 525                         } else {
 526                                 $userpage = $wgUser->getUserPage();
 527                                 $s.= '@import "'.self::makeUrl(
 528                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 529                                         'action=raw&ctype=text/css').'";'."\n";
 530                         }
 531                 }
 532
 533                 return $s . $this->reallyDoGetUserStyles();
 534         }
 535
 536         function reallyDoGetUserStyles() {
 537                 global $wgUser;
 538                 $s = '';
 539                 if (($undopt = $wgUser->getOption("underline")) < 2) {
 540                         $underline = $undopt ? 'underline' : 'none';
 541                         $s .= "a { text-decoration: $underline; }\n";
 542                 }
 543                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 544                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 545                 } else {
 546                         $s .= <<<END
 547 a.new, #quickbar a.new,
 548 a.stub, #quickbar a.stub {
 549         color: inherit;
 550 }
 551 a.new:after, #quickbar a.new:after {
 552         content: "?";
 553         color: #CC2200;
 554 }
 555 a.stub:after, #quickbar a.stub:after {
 556         content: "!";
 557         color: #772233;
 558 }
 559 END;
 560                 }
 561                 if( $wgUser->getOption( 'justify' ) ) {
 562                         $s .= "#article, #bodyContent, #mw_content { text-align: justify; }\n";
 563                 }
 564                 if( !$wgUser->getOption( 'showtoc' ) ) {
 565                         $s .= "#toc { display: none; }\n";
 566                 }
 567                 if( !$wgUser->getOption( 'editsection' ) ) {
 568                         $s .= ".editsection { display: none; }\n";
 569                 }
 570                 return $s;
 571         }
 572
 573         function getBodyOptions() {
 574                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 575
 576                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 577
 578                 if ( 0 != $wgTitle->getNamespace() ) {
 579                         $a = array( 'bgcolor' => '#ffffec' );
 580                 }
 581                 else $a = array( 'bgcolor' => '#FFFFFF' );
 582                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 583                   $wgTitle->userCan( 'edit' ) ) {
 584                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 585                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 586                         $a += array ('ondblclick' => $s);
 587
 588                 }
 589                 $a['onload'] = $wgOut->getOnloadHandler();
 590                 $a['class'] =
 591                         'mediawiki ns-'.$wgTitle->getNamespace().
 592                         ' '.( $wgContLang->isRTL() ? "rtl" : "ltr" ).
 593                         ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() ).
 594                         ' '.( $wgTitle->isTalkPage() ? "ns-talk" : ( $wgTitle->isTalkPage() ? "ns-talk" : ( $wgTitle->getNamespace() == NS_SPECIAL ? "ns-special" : "ns-subject" ) ) ).
 595                         ' skin-'. Sanitizer::escapeClass( $this->getSkinName( ) );
 596                 return $a;
 597         }
 598
 599         /**
 600          * URL to the logo
 601          */
 602         function getLogo() {
 603                 global $wgLogo;
 604                 return $wgLogo;
 605         }
 606
 607         /**
 608          * This will be called immediately after the <body> tag.  Split into
 609          * two functions to make it easier to subclass.
 610          */
 611         function beforeContent() {
 612                 return $this->doBeforeContent();
 613         }
 614
 615         function doBeforeContent() {
 616                 global $wgContLang;
 617                 $fname = 'Skin::doBeforeContent';
 618                 wfProfileIn( $fname );
 619
 620                 $s = '';
 621                 $qb = $this->qbSetting();
 622
 623                 if( $langlinks = $this->otherLanguages() ) {
 624                         $rows = 2;
 625                         $borderhack = '';
 626                 } else {
 627                         $rows = 1;
 628                         $langlinks = false;
 629                         $borderhack = 'class="top"';
 630                 }
 631
 632                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 633                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 634
 635                 $shove = ($qb != 0);
 636                 $left = ($qb == 1 || $qb == 3);
 637                 if($wgContLang->isRTL()) $left = !$left;
 638
 639                 if ( !$shove ) {
 640                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 641                           $this->logoText() . '</td>';
 642                 } elseif( $left ) {
 643                         $s .= $this->getQuickbarCompensator( $rows );
 644                 }
 645                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 646                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 647
 648                 $s .= $this->topLinks() ;
 649                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 650
 651                 $r = $wgContLang->isRTL() ? "left" : "right";
 652                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 653                 $s .= $this->nameAndLogin();
 654                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 655
 656                 if ( $langlinks ) {
 657                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 658                 }
 659
 660                 if ( $shove && !$left ) { # Right
 661                         $s .= $this->getQuickbarCompensator( $rows );
 662                 }
 663                 $s .= "</tr>\n</table>\n</div>\n";
 664                 $s .= "\n<div id='article'>\n";
 665
 666                 $notice = wfGetSiteNotice();
 667                 if( $notice ) {
 668                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 669                 }
 670                 $s .= $this->pageTitle();
 671                 $s .= $this->pageSubtitle() ;
 672                 $s .= $this->getCategories();
 673                 wfProfileOut( $fname );
 674                 return $s;
 675         }
 676
 677
 678         function getCategoryLinks() {
 679                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 680                 global $wgContLang, $wgUser;
 681
 682                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 683
 684                 # Separator
 685                 $sep = wfMsgHtml( 'catseparator' );
 686
 687                 // Use Unicode bidi embedding override characters,
 688                 // to make sure links don't smash each other up in ugly ways.
 689                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 690                 $embed = "<span dir='$dir'>";
 691                 $pop = '</span>';
 692
 693                 $allCats = $wgOut->getCategoryLinks();
 694                 $s = '';
 695                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 696                 if ( !empty( $allCats['normal'] ) ) {
 697                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 698
 699                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 700                         $s .= '<div id="mw-normal-catlinks">' .
 701                                 $this->link( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 702                                 . $colon . $t . '</div>';
 703                 }
 704
 705                 # Hidden categories
 706                 if ( isset( $allCats['hidden'] ) ) {
 707                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 708                                 $class ='mw-hidden-cats-user-shown';
 709                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 710                                 $class = 'mw-hidden-cats-ns-shown';
 711                         } else {
 712                                 $class = 'mw-hidden-cats-hidden';
 713                         }
 714                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 715                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 716                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 717                                 "</div>";
 718                 }
 719
 720                 # optional 'dmoz-like' category browser. Will be shown under the list
 721                 # of categories an article belong to
 722                 if($wgUseCategoryBrowser) {
 723                         $s .= '<br /><hr />';
 724
 725                         # get a big array of the parents tree
 726                         $parenttree = $wgTitle->getParentCategoryTree();
 727                         # Skin object passed by reference cause it can not be
 728                         # accessed under the method subfunction drawCategoryBrowser
 729                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 730                         # Clean out bogus first entry and sort them
 731                         unset($tempout[0]);
 732                         asort($tempout);
 733                         # Output one per line
 734                         $s .= implode("<br />\n", $tempout);
 735                 }
 736
 737                 return $s;
 738         }
 739
 740         /** Render the array as a serie of links.
 741          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 742          * @param &skin Object: skin passed by reference
 743          * @return String separated by &gt;, terminate with "\n"
 744          */
 745         function drawCategoryBrowser($tree, &$skin) {
 746                 $return = '';
 747                 foreach ($tree as $element => $parent) {
 748                         if (empty($parent)) {
 749                                 # element start a new list
 750                                 $return .= "\n";
 751                         } else {
 752                                 # grab the others elements
 753                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 754                         }
 755                         # add our current element to the list
 756                         $eltitle = Title::newFromText($element);
 757                         $return .=  $skin->link( $eltitle, $eltitle->getText() ) ;
 758                 }
 759                 return $return;
 760         }
 761
 762         function getCategories() {
 763                 $catlinks=$this->getCategoryLinks();
 764
 765                 $classes = 'catlinks';
 766
 767                 if( strpos( $catlinks, '<div id="mw-normal-catlinks">' ) === false &&
 768                         strpos( $catlinks, '<div id="mw-hidden-catlinks" class="mw-hidden-cats-hidden">' ) !== false ) {
 769                         $classes .= ' catlinks-allhidden';
 770                 }
 771
 772                 if( !empty( $catlinks ) ){
 773                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 774                 }
 775         }
 776
 777         function getQuickbarCompensator( $rows = 1 ) {
 778                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 779         }
 780
 781         /**
 782          * This runs a hook to allow extensions placing their stuff after content
 783          * and article metadata (e.g. categories).
 784          * Note: This function has nothing to do with afterContent().
 785          *
 786          * This hook is placed here in order to allow using the same hook for all
 787          * skins, both the SkinTemplate based ones and the older ones, which directly
 788          * use this class to get their data.
 789          *
 790          * The output of this function gets processed in SkinTemplate::outputPage() for
 791          * the SkinTemplate based skins, all other skins should directly echo it.
 792          *
 793          * Returns an empty string by default, if not changed by any hook function.
 794          */
 795         protected function afterContentHook () {
 796                 $data = "";
 797
 798                 if (wfRunHooks ('SkinAfterContent', array (&$data))) {
 799                         // adding just some spaces shouldn't toggle the output
 800                         // of the whole <div/>, so we use trim() here
 801                         if (trim ($data) != "") {
 802                                 // Doing this here instead of in the skins to
 803                                 // ensure that the div has the same ID in all
 804                                 // skins
 805                                 $data = "<div id='mw-data-after-content'>\n" .
 806                                         "\t$data\n" .
 807                                         "</div>\n";
 808                         }
 809                 } else {
 810                         wfDebug ('Hook SkinAfterContent changed output processing.');
 811                 }
 812
 813                 return $data;
 814         }
 815
 816         /**
 817          * This gets called shortly before the \</body\> tag.
 818          * @return String HTML to be put before \</body\>
 819          */
 820         function afterContent() {
 821                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 822                 return $printfooter . $this->doAfterContent();
 823         }
 824
 825         /**
 826          * This gets called shortly before the \</body\> tag.
 827          * @return String HTML-wrapped JS code to be put before \</body\>
 828          */
 829         function bottomScripts() {
 830                 global $wgJsMimeType;
 831                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 832                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 833                 return $bottomScriptText;
 834         }
 835
 836         /** @return string Retrievied from HTML text */
 837         function printSource() {
 838                 global $wgTitle;
 839                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 840                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 841         }
 842
 843         function printFooter() {
 844                 return "<p>" .  $this->printSource() .
 845                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 846         }
 847
 848         /** overloaded by derived classes */
 849         function doAfterContent() { }
 850
 851         function pageTitleLinks() {
 852                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 853
 854                 $oldid = $wgRequest->getVal( 'oldid' );
 855                 $diff = $wgRequest->getVal( 'diff' );
 856                 $action = $wgRequest->getText( 'action' );
 857
 858                 $s = $this->printableLink();
 859                 $disclaimer = $this->disclaimerLink(); # may be empty
 860                 if( $disclaimer ) {
 861                         $s .= ' | ' . $disclaimer;
 862                 }
 863                 $privacy = $this->privacyLink(); # may be empty too
 864                 if( $privacy ) {
 865                         $s .= ' | ' . $privacy;
 866                 }
 867
 868                 if ( $wgOut->isArticleRelated() ) {
 869                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 870                                 $name = $wgTitle->getDBkey();
 871                                 $image = wfFindFile( $wgTitle );
 872                                 if( $image ) {
 873                                         $link = htmlspecialchars( $image->getURL() );
 874                                         $style = $this->getInternalLinkAttributes( $link, $name );
 875                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 876                                 }
 877                         }
 878                 }
 879                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 880                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 881                                         wfMsg( 'currentrev' ) );
 882                 }
 883
 884                 if ( $wgUser->getNewtalk() ) {
 885                         # do not show "You have new messages" text when we are viewing our
 886                         # own talk page
 887                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 888                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 889                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 890                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 891                                 # disable caching
 892                                 $wgOut->setSquidMaxage(0);
 893                                 $wgOut->enableClientCache(false);
 894                         }
 895                 }
 896
 897                 $undelete = $this->getUndeleteLink();
 898                 if( !empty( $undelete ) ) {
 899                         $s .= ' | '.$undelete;
 900                 }
 901                 return $s;
 902         }
 903
 904         function getUndeleteLink() {
 905                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 906                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 907                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 908                         ($n = $wgTitle->isDeleted() ) )
 909                 {
 910                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 911                                 $msg = 'thisisdeleted';
 912                         } else {
 913                                 $msg = 'viewdeleted';
 914                         }
 915                         return wfMsg( $msg,
 916                                 $this->makeKnownLinkObj(
 917                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 918                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 919                 }
 920                 return '';
 921         }
 922
 923         function printableLink() {
 924                 global $wgOut, $wgFeedClasses, $wgRequest;
 925
 926                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 927
 928                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 929                 if( $wgOut->isSyndicated() ) {
 930                         foreach( $wgFeedClasses as $format => $class ) {
 931                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 932                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 933                         }
 934                 }
 935                 return $s;
 936         }
 937
 938         function pageTitle() {
 939                 global $wgOut;
 940                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 941                 return $s;
 942         }
 943
 944         function pageSubtitle() {
 945                 global $wgOut;
 946
 947                 $sub = $wgOut->getSubtitle();
 948                 if ( '' == $sub ) {
 949                         global $wgExtraSubtitle;
 950                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 951                 }
 952                 $subpages = $this->subPageSubtitle();
 953                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 954                 $s = "<p class='subtitle'>{$sub}</p>\n";
 955                 return $s;
 956         }
 957
 958         function subPageSubtitle() {
 959                 $subpages = '';
 960                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 961                         return $subpages;
 962
 963                 global $wgOut, $wgTitle;
 964                 if($wgOut->isArticle() && MWNamespace::hasSubpages( $wgTitle->getNamespace() )) {
 965                         $ptext=$wgTitle->getPrefixedText();
 966                         if(preg_match('/\//',$ptext)) {
 967                                 $links = explode('/',$ptext);
 968                                 array_pop( $links );
 969                                 $c = 0;
 970                                 $growinglink = '';
 971                                 $display = '';
 972                                 foreach($links as $link) {
 973                                         $growinglink .= $link;
 974                                         $display .= $link;
 975                                         $linkObj = Title::newFromText( $growinglink );
 976                                         if( is_object( $linkObj ) && $linkObj->exists() ){
 977                                                 $getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
 978                                                 $c++;
 979                                                 if ($c>1) {
 980                                                         $subpages .= ' | ';
 981                                                 } else  {
 982                                                         $subpages .= '&lt; ';
 983                                                 }
 984                                                 $subpages .= $getlink;
 985                                                 $display = '';
 986                                         } else {
 987                                                 $display .= '/';
 988                                         }
 989                                         $growinglink .= '/';
 990                                 }
 991                         }
 992                 }
 993                 return $subpages;
 994         }
 995
 996         /**
 997          * Returns true if the IP should be shown in the header
 998          */
 999         function showIPinHeader() {
1000                 global $wgShowIPinHeader;
1001                 return $wgShowIPinHeader && session_id() != '';
1002         }
1003
1004         function nameAndLogin() {
1005                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
1006
1007                 $logoutPage = $wgContLang->specialPage( 'Userlogout' );
1008
1009                 $ret = '';
1010                 if ( $wgUser->isAnon() ) {
1011                         if( $this->showIPinHeader() ) {
1012                                 $name = wfGetIP();
1013
1014                                 $talkLink = $this->link( $wgUser->getTalkPage(),
1015                                         $wgLang->getNsText( NS_TALK ) );
1016
1017                                 $ret .= "$name ($talkLink)";
1018                         } else {
1019                                 $ret .= wfMsg( 'notloggedin' );
1020                         }
1021
1022                         $returnTo = $wgTitle->getPrefixedDBkey();
1023                         $query = array();
1024                         if ( $logoutPage != $returnTo ) {
1025                                 $query['returnto'] = $returnTo;
1026                         }
1027
1028                         $loginlink = $wgUser->isAllowed( 'createaccount' )
1029                                 ? 'nav-login-createaccount'
1030                                 : 'login';
1031                         $ret .= "\n<br />" . $this->link(
1032                                 SpecialPage::getTitleFor( 'Userlogin' ),
1033                                 wfMsg( $loginlink ), array(), $query
1034                         );
1035                 } else {
1036                         $returnTo = $wgTitle->getPrefixedDBkey();
1037                         $talkLink = $this->link( $wgUser->getTalkPage(),
1038                                 $wgLang->getNsText( NS_TALK ) );
1039
1040                         $ret .= $this->link( $wgUser->getUserPage(),
1041                                 htmlspecialchars( $wgUser->getName() ) );
1042                         $ret .= " ($talkLink)<br />";
1043                         $ret .= $this->link(
1044                                 SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
1045                                 array(), array( 'returnto' => $returnTo )
1046                         );
1047                         $ret .= ' | ' . $this->specialLink( 'preferences' );
1048                 }
1049                 $ret .= ' | ' . $this->link(
1050                         Title::newFromText( wfMsgForContent( 'helppage' ) ),
1051                         wfMsg( 'help' )
1052                 );
1053
1054                 return $ret;
1055         }
1056
1057         function getSearchLink() {
1058                 $searchPage = SpecialPage::getTitleFor( 'Search' );
1059                 return $searchPage->getLocalURL();
1060         }
1061
1062         function escapeSearchLink() {
1063                 return htmlspecialchars( $this->getSearchLink() );
1064         }
1065
1066         function searchForm() {
1067                 global $wgRequest;
1068                 $search = $wgRequest->getText( 'search' );
1069
1070                 $s = '<form id="searchform'.$this->searchboxes.'" name="search" class="inline" method="post" action="'
1071                   . $this->escapeSearchLink() . "\">\n"
1072                   . '<input type="text" id="searchInput'.$this->searchboxes.'" name="search" size="19" value="'
1073                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
1074                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
1075                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
1076
1077                 // Ensure unique id's for search boxes made after the first
1078                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
1079
1080                 return $s;
1081         }
1082
1083         function topLinks() {
1084                 global $wgOut;
1085                 $sep = " |\n";
1086
1087                 $s = $this->mainPageLink() . $sep
1088                   . $this->specialLink( 'recentchanges' );
1089
1090                 if ( $wgOut->isArticleRelated() ) {
1091                         $s .=  $sep . $this->editThisPage()
1092                           . $sep . $this->historyLink();
1093                 }
1094                 # Many people don't like this dropdown box
1095                 #$s .= $sep . $this->specialPagesList();
1096
1097                 $s .= $this->variantLinks();
1098
1099                 $s .= $this->extensionTabLinks();
1100
1101                 return $s;
1102         }
1103
1104         /**
1105          * Compatibility for extensions adding functionality through tabs.
1106          * Eventually these old skins should be replaced with SkinTemplate-based
1107          * versions, sigh...
1108          * @return string
1109          */
1110         function extensionTabLinks() {
1111                 $tabs = array();
1112                 $s = '';
1113                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1114                 foreach( $tabs as $tab ) {
1115                         $s .= ' | ' . Xml::element( 'a',
1116                                 array( 'href' => $tab['href'] ),
1117                                 $tab['text'] );
1118                 }
1119                 return $s;
1120         }
1121
1122         /**
1123          * Language/charset variant links for classic-style skins
1124          * @return string
1125          */
1126         function variantLinks() {
1127                 $s = '';
1128                 /* show links to different language variants */
1129                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1130                 $variants = $wgContLang->getVariants();
1131                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1132                         foreach( $variants as $code ) {
1133                                 $varname = $wgContLang->getVariantname( $code );
1134                                 if( $varname == 'disable' )
1135                                         continue;
1136                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1137                         }
1138                 }
1139                 return $s;
1140         }
1141
1142         function bottomLinks() {
1143                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1144                 $sep = " |\n";
1145
1146                 $s = '';
1147                 if ( $wgOut->isArticleRelated() ) {
1148                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1149                         if ( $wgUser->isLoggedIn() ) {
1150                                 $s .= $sep . $this->watchThisPage();
1151                         }
1152                         $s .= $sep . $this->talkLink()
1153                           . $sep . $this->historyLink()
1154                           . $sep . $this->whatLinksHere()
1155                           . $sep . $this->watchPageLinksLink();
1156
1157                         if ($wgUseTrackbacks)
1158                                 $s .= $sep . $this->trackbackLink();
1159
1160                         if ( $wgTitle->getNamespace() == NS_USER
1161                             || $wgTitle->getNamespace() == NS_USER_TALK )
1162
1163                         {
1164                                 $id=User::idFromName($wgTitle->getText());
1165                                 $ip=User::isIP($wgTitle->getText());
1166
1167                                 if($id || $ip) { # both anons and non-anons have contri list
1168                                         $s .= $sep . $this->userContribsLink();
1169                                 }
1170                                 if( $this->showEmailUser( $id ) ) {
1171                                         $s .= $sep . $this->emailUserLink();
1172                                 }
1173                         }
1174                         if ( $wgTitle->getArticleId() ) {
1175                                 $s .= "\n<br />";
1176                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1177                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1178                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1179                         }
1180                         $s .= "<br />\n" . $this->otherLanguages();
1181                 }
1182                 return $s;
1183         }
1184
1185         function pageStats() {
1186                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1187                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1188
1189                 $oldid = $wgRequest->getVal( 'oldid' );
1190                 $diff = $wgRequest->getVal( 'diff' );
1191                 if ( ! $wgOut->isArticle() ) { return ''; }
1192                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1193                 if ( 0 == $wgArticle->getID() ) { return ''; }
1194
1195                 $s = '';
1196                 if ( !$wgDisableCounters ) {
1197                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1198                         if ( $count ) {
1199                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1200                         }
1201                 }
1202
1203                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1204                     require_once('Credits.php');
1205                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1206                 } else {
1207                     $s .= $this->lastModified();
1208                 }
1209
1210                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1211                         $dbr = wfGetDB( DB_SLAVE );
1212                         $watchlist = $dbr->tableName( 'watchlist' );
1213                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1214                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1215                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1216                         $res = $dbr->query( $sql, 'Skin::pageStats');
1217                         $x = $dbr->fetchObject( $res );
1218
1219                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1220                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1221                         );
1222                 }
1223
1224                 return $s . ' ' .  $this->getCopyright();
1225         }
1226
1227         function getCopyright( $type = 'detect' ) {
1228                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1229
1230                 if ( $type == 'detect' ) {
1231                         $oldid = $wgRequest->getVal( 'oldid' );
1232                         $diff = $wgRequest->getVal( 'diff' );
1233
1234                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1235                                 $type = 'history';
1236                         } else {
1237                                 $type = 'normal';
1238                         }
1239                 }
1240
1241                 if ( $type == 'history' ) {
1242                         $msg = 'history_copyright';
1243                 } else {
1244                         $msg = 'copyright';
1245                 }
1246
1247                 $out = '';
1248                 if( $wgRightsPage ) {
1249                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1250                 } elseif( $wgRightsUrl ) {
1251                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1252                 } else {
1253                         # Give up now
1254                         return $out;
1255                 }
1256                 $out .= wfMsgForContent( $msg, $link );
1257                 return $out;
1258         }
1259
1260         function getCopyrightIcon() {
1261                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1262                 $out = '';
1263                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1264                         $out = $wgCopyrightIcon;
1265                 } else if ( $wgRightsIcon ) {
1266                         $icon = htmlspecialchars( $wgRightsIcon );
1267                         if ( $wgRightsUrl ) {
1268                                 $url = htmlspecialchars( $wgRightsUrl );
1269                                 $out .= '<a href="'.$url.'">';
1270                         }
1271                         $text = htmlspecialchars( $wgRightsText );
1272                         $out .= "<img src=\"$icon\" alt='$text' />";
1273                         if ( $wgRightsUrl ) {
1274                                 $out .= '</a>';
1275                         }
1276                 }
1277                 return $out;
1278         }
1279
1280         function getPoweredBy() {
1281                 global $wgStylePath;
1282                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1283                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1284                 return $img;
1285         }
1286
1287         function lastModified() {
1288                 global $wgLang, $wgArticle;
1289                 if( $this->mRevisionId ) {
1290                         $timestamp = Revision::getTimestampFromId( $this->mRevisionId, $wgArticle->getId() );
1291                 } else {
1292                         $timestamp = $wgArticle->getTimestamp();
1293                 }
1294                 if ( $timestamp ) {
1295                         $d = $wgLang->date( $timestamp, true );
1296                         $t = $wgLang->time( $timestamp, true );
1297                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1298                 } else {
1299                         $s = '';
1300                 }
1301                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1302                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1303                 }
1304                 return $s;
1305         }
1306
1307         function logoText( $align = '' ) {
1308                 if ( '' != $align ) { $a = " align='{$align}'"; }
1309                 else { $a = ''; }
1310
1311                 $mp = wfMsg( 'mainpage' );
1312                 $mptitle = Title::newMainPage();
1313                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1314
1315                 $logourl = $this->getLogo();
1316                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1317                 return $s;
1318         }
1319
1320         /**
1321          * show a drop-down box of special pages
1322          */
1323         function specialPagesList() {
1324                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1325                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1326                 foreach ( $pages as $name => $page ) {
1327                         $pages[$name] = $page->getDescription();
1328                 }
1329
1330                 $go = wfMsg( 'go' );
1331                 $sp = wfMsg( 'specialpages' );
1332                 $spp = $wgContLang->specialPage( 'Specialpages' );
1333
1334                 $s = '<form id="specialpages" method="get" class="inline" ' .
1335                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1336                 $s .= "<select name=\"wpDropdown\">\n";
1337                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1338
1339
1340                 foreach ( $pages as $name => $desc ) {
1341                         $p = $wgContLang->specialPage( $name );
1342                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1343                 }
1344                 $s .= "</select>\n";
1345                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1346                 $s .= "</form>\n";
1347                 return $s;
1348         }
1349
1350         function mainPageLink() {
1351                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1352                 return $s;
1353         }
1354
1355         function copyrightLink() {
1356                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1357                   wfMsg( 'copyrightpagename' ) );
1358                 return $s;
1359         }
1360
1361         private function footerLink ( $desc, $page ) {
1362                 // if the link description has been set to "-" in the default language,
1363                 if ( wfMsgForContent( $desc )  == '-') {
1364                         // then it is disabled, for all languages.
1365                         return '';
1366                 } else {
1367                         // Otherwise, we display the link for the user, described in their
1368                         // language (which may or may not be the same as the default language),
1369                         // but we make the link target be the one site-wide page.
1370                         return $this->makeKnownLink( wfMsgForContent( $page ),
1371                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1372                 }
1373         }
1374
1375         function privacyLink() {
1376                 return $this->footerLink( 'privacy', 'privacypage' );
1377         }
1378
1379         function aboutLink() {
1380                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1381         }
1382
1383         function disclaimerLink() {
1384                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1385         }
1386
1387         function editThisPage() {
1388                 global $wgOut, $wgTitle;
1389
1390                 if ( !$wgOut->isArticleRelated() ) {
1391                         $s = wfMsg( 'protectedpage' );
1392                 } else {
1393                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1394                                 $t = wfMsg( 'editthispage' );
1395                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1396                                 $t = wfMsg( 'create-this-page' );
1397                         } else {
1398                                 $t = wfMsg( 'viewsource' );
1399                         }
1400
1401                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1402                 }
1403                 return $s;
1404         }
1405
1406         /**
1407          * Return URL options for the 'edit page' link.
1408          * This may include an 'oldid' specifier, if the current page view is such.
1409          *
1410          * @return string
1411          * @private
1412          */
1413         function editUrlOptions() {
1414                 global $wgArticle;
1415
1416                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1417                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1418                 } else {
1419                         return "action=edit";
1420                 }
1421         }
1422
1423         function deleteThisPage() {
1424                 global $wgUser, $wgTitle, $wgRequest;
1425
1426                 $diff = $wgRequest->getVal( 'diff' );
1427                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1428                         $t = wfMsg( 'deletethispage' );
1429
1430                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1431                 } else {
1432                         $s = '';
1433                 }
1434                 return $s;
1435         }
1436
1437         function protectThisPage() {
1438                 global $wgUser, $wgTitle, $wgRequest;
1439
1440                 $diff = $wgRequest->getVal( 'diff' );
1441                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1442                         if ( $wgTitle->isProtected() ) {
1443                                 $t = wfMsg( 'unprotectthispage' );
1444                                 $q = 'action=unprotect';
1445                         } else {
1446                                 $t = wfMsg( 'protectthispage' );
1447                                 $q = 'action=protect';
1448                         }
1449                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1450                 } else {
1451                         $s = '';
1452                 }
1453                 return $s;
1454         }
1455
1456         function watchThisPage() {
1457                 global $wgOut, $wgTitle;
1458                 ++$this->mWatchLinkNum;
1459
1460                 if ( $wgOut->isArticleRelated() ) {
1461                         if ( $wgTitle->userIsWatching() ) {
1462                                 $t = wfMsg( 'unwatchthispage' );
1463                                 $q = 'action=unwatch';
1464                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1465                         } else {
1466                                 $t = wfMsg( 'watchthispage' );
1467                                 $q = 'action=watch';
1468                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1469                         }
1470                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1471                 } else {
1472                         $s = wfMsg( 'notanarticle' );
1473                 }
1474                 return $s;
1475         }
1476
1477         function moveThisPage() {
1478                 global $wgTitle;
1479
1480                 if ( $wgTitle->userCan( 'move' ) ) {
1481                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1482                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1483                 } else {
1484                         // no message if page is protected - would be redundant
1485                         return '';
1486                 }
1487         }
1488
1489         function historyLink() {
1490                 global $wgTitle;
1491
1492                 return $this->makeKnownLinkObj( $wgTitle,
1493                   wfMsg( 'history' ), 'action=history' );
1494         }
1495
1496         function whatLinksHere() {
1497                 global $wgTitle;
1498
1499                 return $this->makeKnownLinkObj(
1500                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1501                         wfMsg( 'whatlinkshere' ) );
1502         }
1503
1504         function userContribsLink() {
1505                 global $wgTitle;
1506
1507                 return $this->makeKnownLinkObj(
1508                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1509                         wfMsg( 'contributions' ) );
1510         }
1511
1512         function showEmailUser( $id ) {
1513                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1514                 return $wgEnableEmail &&
1515                        $wgEnableUserEmail &&
1516                        $wgUser->isLoggedIn() && # show only to signed in users
1517                        0 != $id; # we can only email to non-anons ..
1518 #                      '' != $id->getEmail() && # who must have an email address stored ..
1519 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1520 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1521         }
1522
1523         function emailUserLink() {
1524                 global $wgTitle;
1525
1526                 return $this->makeKnownLinkObj(
1527                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1528                         wfMsg( 'emailuser' ) );
1529         }
1530
1531         function watchPageLinksLink() {
1532                 global $wgOut, $wgTitle;
1533
1534                 if ( ! $wgOut->isArticleRelated() ) {
1535                         return '(' . wfMsg( 'notanarticle' ) . ')';
1536                 } else {
1537                         return $this->makeKnownLinkObj(
1538                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1539                                 wfMsg( 'recentchangeslinked' ) );
1540                 }
1541         }
1542
1543         function trackbackLink() {
1544                 global $wgTitle;
1545
1546                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1547                         . wfMsg('trackbacklink') . "</a>";
1548         }
1549
1550         function otherLanguages() {
1551                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1552
1553                 if ( $wgHideInterlanguageLinks ) {
1554                         return '';
1555                 }
1556
1557                 $a = $wgOut->getLanguageLinks();
1558                 if ( 0 == count( $a ) ) {
1559                         return '';
1560                 }
1561
1562                 $s = wfMsg( 'otherlanguages' ) . ': ';
1563                 $first = true;
1564                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1565                 foreach( $a as $l ) {
1566                         if ( ! $first ) { $s .= ' | '; }
1567                         $first = false;
1568
1569                         $nt = Title::newFromText( $l );
1570                         $url = $nt->escapeFullURL();
1571                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1572
1573                         if ( '' == $text ) { $text = $l; }
1574                         $style = $this->getExternalLinkAttributes( $l, $text );
1575                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1576                 }
1577                 if($wgContLang->isRTL()) $s .= '</span>';
1578                 return $s;
1579         }
1580
1581         function bugReportsLink() {
1582                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1583                   wfMsg( 'bugreports' ) );
1584                 return $s;
1585         }
1586
1587         function talkLink() {
1588                 global $wgTitle;
1589
1590                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1591                         # No discussion links for special pages
1592                         return '';
1593                 }
1594
1595                 if( $wgTitle->isTalkPage() ) {
1596                         $link = $wgTitle->getSubjectPage();
1597                         switch( $link->getNamespace() ) {
1598                                 case NS_MAIN:
1599                                         $text = wfMsg( 'articlepage' );
1600                                         break;
1601                                 case NS_USER:
1602                                         $text = wfMsg( 'userpage' );
1603                                         break;
1604                                 case NS_PROJECT:
1605                                         $text = wfMsg( 'projectpage' );
1606                                         break;
1607                                 case NS_IMAGE:
1608                                         $text = wfMsg( 'imagepage' );
1609                                         break;
1610                                 case NS_MEDIAWIKI:
1611                                         $text = wfMsg( 'mediawikipage' );
1612                                         break;
1613                                 case NS_TEMPLATE:
1614                                         $text = wfMsg( 'templatepage' );
1615                                         break;
1616                                 case NS_HELP:
1617                                         $text = wfMsg( 'viewhelppage' );
1618                                         break;
1619                                 case NS_CATEGORY:
1620                                         $text = wfMsg( 'categorypage' );
1621                                         break;
1622                                 default:
1623                                         $text = wfMsg( 'articlepage' );
1624                         }
1625                 } else {
1626                         $link = $wgTitle->getTalkPage();
1627                         $text = wfMsg( 'talkpage' );
1628                 }
1629
1630                 $s = $this->makeLinkObj( $link, $text );
1631
1632                 return $s;
1633         }
1634
1635         function commentLink() {
1636                 global $wgTitle, $wgOut;
1637
1638                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1639                         return '';
1640                 }
1641
1642                 # __NEWSECTIONLINK___ changes behaviour here
1643                 # If it's present, the link points to this page, otherwise
1644                 # it points to the talk page
1645                 if( $wgTitle->isTalkPage() ) {
1646                         $title = $wgTitle;
1647                 } elseif( $wgOut->showNewSectionLink() ) {
1648                         $title = $wgTitle;
1649                 } else {
1650                         $title = $wgTitle->getTalkPage();
1651                 }
1652
1653                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1654         }
1655
1656         /* these are used extensively in SkinTemplate, but also some other places */
1657         static function makeMainPageUrl( $urlaction = '' ) {
1658                 $title = Title::newMainPage();
1659                 self::checkTitle( $title, '' );
1660                 return $title->getLocalURL( $urlaction );
1661         }
1662
1663         static function makeSpecialUrl( $name, $urlaction = '' ) {
1664                 $title = SpecialPage::getTitleFor( $name );
1665                 return $title->getLocalURL( $urlaction );
1666         }
1667
1668         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1669                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1670                 return $title->getLocalURL( $urlaction );
1671         }
1672
1673         static function makeI18nUrl( $name, $urlaction = '' ) {
1674                 $title = Title::newFromText( wfMsgForContent( $name ) );
1675                 self::checkTitle( $title, $name );
1676                 return $title->getLocalURL( $urlaction );
1677         }
1678
1679         static function makeUrl( $name, $urlaction = '' ) {
1680                 $title = Title::newFromText( $name );
1681                 self::checkTitle( $title, $name );
1682                 return $title->getLocalURL( $urlaction );
1683         }
1684
1685         # If url string starts with http, consider as external URL, else
1686         # internal
1687         static function makeInternalOrExternalUrl( $name ) {
1688                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1689                         return $name;
1690                 } else {
1691                         return self::makeUrl( $name );
1692                 }
1693         }
1694
1695         # this can be passed the NS number as defined in Language.php
1696         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1697                 $title = Title::makeTitleSafe( $namespace, $name );
1698                 self::checkTitle( $title, $name );
1699                 return $title->getLocalURL( $urlaction );
1700         }
1701
1702         /* these return an array with the 'href' and boolean 'exists' */
1703         static function makeUrlDetails( $name, $urlaction = '' ) {
1704                 $title = Title::newFromText( $name );
1705                 self::checkTitle( $title, $name );
1706                 return array(
1707                         'href' => $title->getLocalURL( $urlaction ),
1708                         'exists' => $title->getArticleID() != 0 ? true : false
1709                 );
1710         }
1711
1712         /**
1713          * Make URL details where the article exists (or at least it's convenient to think so)
1714          */
1715         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1716                 $title = Title::newFromText( $name );
1717                 self::checkTitle( $title, $name );
1718                 return array(
1719                         'href' => $title->getLocalURL( $urlaction ),
1720                         'exists' => true
1721                 );
1722         }
1723
1724         # make sure we have some title to operate on
1725         static function checkTitle( &$title, $name ) {
1726                 if( !is_object( $title ) ) {
1727                         $title = Title::newFromText( $name );
1728                         if( !is_object( $title ) ) {
1729                                 $title = Title::newFromText( '--error: link target missing--' );
1730                         }
1731                 }
1732         }
1733
1734         /**
1735          * Build an array that represents the sidebar(s), the navigation bar among them
1736          *
1737          * @return array
1738          */
1739         function buildSidebar() {
1740                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1741                 global $wgLang;
1742                 wfProfileIn( __METHOD__ );
1743
1744                 $key = wfMemcKey( 'sidebar', $wgLang->getCode() );
1745
1746                 if ( $wgEnableSidebarCache ) {
1747                         $cachedsidebar = $parserMemc->get( $key );
1748                         if ( $cachedsidebar ) {
1749                                 wfProfileOut( __METHOD__ );
1750                                 return $cachedsidebar;
1751                         }
1752                 }
1753
1754                 $bar = array();
1755                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1756                 $heading = '';
1757                 foreach ($lines as $line) {
1758                         if (strpos($line, '*') !== 0)
1759                                 continue;
1760                         if (strpos($line, '**') !== 0) {
1761                                 $line = trim($line, '* ');
1762                                 $heading = $line;
1763                                 if( !array_key_exists($heading, $bar) ) $bar[$heading] = array();
1764                         } else {
1765                                 if (strpos($line, '|') !== false) { // sanity check
1766                                         $line = array_map('trim', explode( '|' , trim($line, '* '), 2 ) );
1767                                         $link = wfMsgForContent( $line[0] );
1768                                         if ($link == '-')
1769                                                 continue;
1770                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1771                                                 $text = $line[1];
1772                                         if (wfEmptyMsg($line[0], $link))
1773                                                 $link = $line[0];
1774
1775                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1776                                                 $href = $link;
1777                                         } else {
1778                                                 $title = Title::newFromText( $link );
1779                                                 if ( $title ) {
1780                                                         $title = $title->fixSpecialName();
1781                                                         $href = $title->getLocalURL();
1782                                                 } else {
1783                                                         $href = 'INVALID-TITLE';
1784                                                 }
1785                                         }
1786
1787                                         $bar[$heading][] = array(
1788                                                 'text' => $text,
1789                                                 'href' => $href,
1790                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1791                                                 'active' => false
1792                                         );
1793                                 } else { continue; }
1794                         }
1795                 }
1796                 wfRunHooks('SkinBuildSidebar', array($this, &$bar));
1797                 if ( $wgEnableSidebarCache ) $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1798                 wfProfileOut( __METHOD__ );
1799                 return $bar;
1800         }
1801 }