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                 // See self::afterContentHook() for documentation
 269                 $afterContent = $this->afterContentHook();
 270
 271                 $out->out( $out->headElement() );
 272
 273                 $out->out( "\n<body" );
 274                 $ops = $this->getBodyOptions();
 275                 foreach ( $ops as $name => $val ) {
 276                         $out->out( " $name='$val'" );
 277                 }
 278                 $out->out( ">\n" );
 279                 if ( $wgDebugComments ) {
 280                         $out->out( "<!-- Wiki debugging output:\n" .
 281                           $out->mDebugtext . "-->\n" );
 282                 }
 283
 284                 $out->out( $this->beforeContent() );
 285
 286                 $out->out( $out->mBodytext . "\n" );
 287
 288                 $out->out( $this->afterContent() );
 289
 290                 $out->out( $afterContent );
 291
 292                 $out->out( $this->bottomScripts() );
 293
 294                 $out->out( wfReportTime() );
 295
 296                 $out->out( "\n</body></html>" );
 297                 wfProfileOut( __METHOD__ );
 298         }
 299
 300         static function makeVariablesScript( $data ) {
 301                 global $wgJsMimeType;
 302
 303                 $r = array( "<script type= \"$wgJsMimeType\">/*<![CDATA[*/" );
 304                 foreach ( $data as $name => $value ) {
 305                         $encValue = Xml::encodeJsVar( $value );
 306                         $r[] = "var $name = $encValue;";
 307                 }
 308                 $r[] = "/*]]>*/</script>\n";
 309
 310                 return implode( "\n\t\t", $r );
 311         }
 312
 313         /**
 314          * Make a <script> tag containing global variables
 315          * @param array $data Associative array containing one element:
 316          *     skinname => the skin name
 317          * The odd calling convention is for backwards compatibility
 318          */
 319         static function makeGlobalVariablesScript( $data ) {
 320                 global $wgScript, $wgStylePath, $wgUser;
 321                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 322                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 323                 global $wgBreakFrames, $wgRequest, $wgVariantArticlePath, $wgActionPaths;
 324                 global $wgUseAjax, $wgAjaxWatch;
 325                 global $wgVersion, $wgEnableAPI, $wgEnableWriteAPI;
 326                 global $wgRestrictionTypes, $wgLivePreview;
 327                 global $wgMWSuggestTemplate, $wgDBname, $wgEnableMWSuggest;
 328
 329                 $ns = $wgTitle->getNamespace();
 330                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 331
 332                 $vars = array(
 333                         'skin' => $data['skinname'],
 334                         'stylepath' => $wgStylePath,
 335                         'wgArticlePath' => $wgArticlePath,
 336                         'wgScriptPath' => $wgScriptPath,
 337                         'wgScript' => $wgScript,
 338                         'wgVariantArticlePath' => $wgVariantArticlePath,
 339                         'wgActionPaths' => $wgActionPaths,
 340                         'wgServer' => $wgServer,
 341                         'wgCanonicalNamespace' => $nsname,
 342                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBkey() ),
 343                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 344                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 345                         'wgTitle' => $wgTitle->getText(),
 346                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 347                         'wgArticleId' => $wgTitle->getArticleId(),
 348                         'wgIsArticle' => $wgOut->isArticle(),
 349                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 350                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 351                         'wgUserLanguage' => $wgLang->getCode(),
 352                         'wgContentLanguage' => $wgContLang->getCode(),
 353                         'wgBreakFrames' => $wgBreakFrames,
 354                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 355                         'wgVersion' => $wgVersion,
 356                         'wgEnableAPI' => $wgEnableAPI,
 357                         'wgEnableWriteAPI' => $wgEnableWriteAPI,
 358                 );
 359
 360                 if( $wgUseAjax && $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false )){
 361                         $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
 362                         $vars['wgDBname'] = $wgDBname;
 363                         $vars['wgSearchNamespaces'] = SearchEngine::userNamespaces( $wgUser );
 364                         $vars['wgMWSuggestMessages'] = array( wfMsg('search-mwsuggest-enabled'), wfMsg('search-mwsuggest-disabled'));
 365                 }
 366
 367                 foreach( $wgRestrictionTypes as $type )
 368                         $vars['wgRestriction' . ucfirst( $type )] = $wgTitle->getRestrictions( $type );
 369
 370                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 371                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 372                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 373                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 374                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 375                 }
 376
 377                 if($wgUseAjax && $wgAjaxWatch && $wgUser->isLoggedIn() ) {
 378                         $msgs = (object)array();
 379                         foreach ( array( 'watch', 'unwatch', 'watching', 'unwatching' ) as $msgName ) {
 380                                 $msgs->{$msgName . 'Msg'} = wfMsg( $msgName );
 381                         }
 382                         $vars['wgAjaxWatch'] = $msgs;
 383                 }
 384
 385                 wfRunHooks('MakeGlobalVariablesScript', array(&$vars));
 386
 387                 return self::makeVariablesScript( $vars );
 388         }
 389
 390         function getHeadScripts( $allowUserJs ) {
 391                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 392
 393                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 394
 395                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 396                 global $wgUseSiteJs;
 397                 if ($wgUseSiteJs) {
 398                         $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
 399                         $r .= "<script type=\"$wgJsMimeType\" src=\"".
 400                                 htmlspecialchars(self::makeUrl('-',
 401                                         "action=raw$jsCache&gen=js&useskin=" .
 402                                         urlencode( $this->getSkinName() ) ) ) .
 403                                 "\"><!-- site js --></script>\n";
 404                 }
 405                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 406                         $userpage = $wgUser->getUserPage();
 407                         $userjs = htmlspecialchars( self::makeUrl(
 408                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 409                                 'action=raw&ctype='.$wgJsMimeType));
 410                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 411                 }
 412                 return $r;
 413         }
 414
 415         /**
 416          * To make it harder for someone to slip a user a fake
 417          * user-JavaScript or user-CSS preview, a random token
 418          * is associated with the login session. If it's not
 419          * passed back with the preview request, we won't render
 420          * the code.
 421          *
 422          * @param string $action
 423          * @return bool
 424          * @private
 425          */
 426         function userCanPreview( $action ) {
 427                 global $wgTitle, $wgRequest, $wgUser;
 428
 429                 if( $action != 'submit' )
 430                         return false;
 431                 if( !$wgRequest->wasPosted() )
 432                         return false;
 433                 if( !$wgTitle->userCanEditCssJsSubpage() )
 434                         return false;
 435                 return $wgUser->matchEditToken(
 436                         $wgRequest->getVal( 'wpEditToken' ) );
 437         }
 438
 439         /**
 440          * Get the site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 441          */
 442         function getSiteStylesheet() {
 443                 global $wgStylePath, $wgContLang, $wgStyleVersion;
 444                 $sheet = $this->getStylesheet();
 445                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 446                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 447                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 448                 if( $wgContLang->isRTL() )
 449                         $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 450                 return "$s\n";
 451         }
 452
 453         /**
 454          * Get the user-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 455          */
 456         function getUserStylesheet() {
 457                 global $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 458                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 459                 $s = '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n";
 460                 $s .= '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 461                 $s .= $this->doGetUserStyles();
 462                 return "$s\n";
 463         }
 464
 465         /**
 466          * This returns MediaWiki:Common.js, and derived classes may add other JS.
 467          * Despite its name, it does *not* return any custom user JS from user
 468          * subpages.  The returned script is sitewide and publicly cacheable and
 469          * therefore must not include anything that varies according to user,
 470          * interface language, etc. (although it may vary by skin).  See
 471          * makeGlobalVariablesScript for things that can vary per page view and are
 472          * not cacheable.
 473          *
 474          * @return string Raw JavaScript to be returned
 475          */
 476         public function getUserJs() {
 477                 wfProfileIn( __METHOD__ );
 478
 479                 global $wgStylePath;
 480                 $s = "/* generated javascript */\n";
 481                 $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
 482                 $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
 483                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 484                 $commonJs = wfMsgForContent('common.js');
 485                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 486                         $s .= $commonJs;
 487                 }
 488                 wfProfileOut( __METHOD__ );
 489                 return $s;
 490         }
 491
 492         /**
 493          * Return html code that include site stylesheets
 494          */
 495         function getSiteStyles() {
 496                 $s = "<style type='text/css'>\n";
 497                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 498                 $s .= $this->getSiteStylesheet();
 499                 $s .= "/*]]>*/ /* */\n";
 500                 $s .= "</style>\n";
 501                 return $s;
 502         }
 503
 504         /**
 505          * Return html code that include User stylesheets
 506          */
 507         function getUserStyles() {
 508                 $s = "<style type='text/css'>\n";
 509                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 510                 $s .= $this->getUserStylesheet();
 511                 $s .= "/*]]>*/ /* */\n";
 512                 $s .= "</style>\n";
 513                 return $s;
 514         }
 515
 516         /**
 517          * Some styles that are set by user through the user settings interface.
 518          */
 519         function doGetUserStyles() {
 520                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 521
 522                 $s = '';
 523
 524                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 525                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 526                                 $s .= $wgRequest->getText('wpTextbox1');
 527                         } else {
 528                                 $userpage = $wgUser->getUserPage();
 529                                 $s.= '@import "'.self::makeUrl(
 530                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 531                                         'action=raw&ctype=text/css').'";'."\n";
 532                         }
 533                 }
 534
 535                 return $s . $this->reallyDoGetUserStyles();
 536         }
 537
 538         function reallyDoGetUserStyles() {
 539                 global $wgUser;
 540                 $s = '';
 541                 if (($undopt = $wgUser->getOption("underline")) < 2) {
 542                         $underline = $undopt ? 'underline' : 'none';
 543                         $s .= "a { text-decoration: $underline; }\n";
 544                 }
 545                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 546                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 547                 } else {
 548                         $s .= <<<END
 549 a.new, #quickbar a.new,
 550 a.stub, #quickbar a.stub {
 551         color: inherit;
 552 }
 553 a.new:after, #quickbar a.new:after {
 554         content: "?";
 555         color: #CC2200;
 556 }
 557 a.stub:after, #quickbar a.stub:after {
 558         content: "!";
 559         color: #772233;
 560 }
 561 END;
 562                 }
 563                 if( $wgUser->getOption( 'justify' ) ) {
 564                         $s .= "#article, #bodyContent, #mw_content { text-align: justify; }\n";
 565                 }
 566                 if( !$wgUser->getOption( 'showtoc' ) ) {
 567                         $s .= "#toc { display: none; }\n";
 568                 }
 569                 if( !$wgUser->getOption( 'editsection' ) ) {
 570                         $s .= ".editsection { display: none; }\n";
 571                 }
 572                 return $s;
 573         }
 574
 575         function getBodyOptions() {
 576                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 577
 578                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 579
 580                 if ( 0 != $wgTitle->getNamespace() ) {
 581                         $a = array( 'bgcolor' => '#ffffec' );
 582                 }
 583                 else $a = array( 'bgcolor' => '#FFFFFF' );
 584                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 585                   $wgTitle->userCan( 'edit' ) ) {
 586                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 587                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 588                         $a += array ('ondblclick' => $s);
 589
 590                 }
 591                 $a['onload'] = $wgOut->getOnloadHandler();
 592                 $a['class'] =
 593                         'mediawiki' .
 594                         ' '.( $wgContLang->isRTL() ? "rtl" : "ltr" ).
 595                         ' '.$this->getPageClasses( $wgTitle ) .
 596                         ' skin-'. Sanitizer::escapeClass( $this->getSkinName( ) );
 597                 return $a;
 598         }
 599
 600         function getPageClasses( $title ) {
 601                 $numeric = 'ns-'.$title->getNamespace();
 602                 if( $title->getNamespace() == NS_SPECIAL ) {
 603                         $type = "ns-special";
 604                 } elseif( $title->isTalkPage() ) {
 605                         $type = "ns-talk";
 606                 } else {
 607                         $type = "ns-subject";
 608                 }
 609                 $name = Sanitizer::escapeClass( 'page-'.$title->getPrefixedText() );
 610                 return "$numeric $type $name";
 611         }
 612
 613         /**
 614          * URL to the logo
 615          */
 616         function getLogo() {
 617                 global $wgLogo;
 618                 return $wgLogo;
 619         }
 620
 621         /**
 622          * This will be called immediately after the <body> tag.  Split into
 623          * two functions to make it easier to subclass.
 624          */
 625         function beforeContent() {
 626                 return $this->doBeforeContent();
 627         }
 628
 629         function doBeforeContent() {
 630                 global $wgContLang;
 631                 $fname = 'Skin::doBeforeContent';
 632                 wfProfileIn( $fname );
 633
 634                 $s = '';
 635                 $qb = $this->qbSetting();
 636
 637                 if( $langlinks = $this->otherLanguages() ) {
 638                         $rows = 2;
 639                         $borderhack = '';
 640                 } else {
 641                         $rows = 1;
 642                         $langlinks = false;
 643                         $borderhack = 'class="top"';
 644                 }
 645
 646                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 647                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 648
 649                 $shove = ($qb != 0);
 650                 $left = ($qb == 1 || $qb == 3);
 651                 if($wgContLang->isRTL()) $left = !$left;
 652
 653                 if ( !$shove ) {
 654                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 655                           $this->logoText() . '</td>';
 656                 } elseif( $left ) {
 657                         $s .= $this->getQuickbarCompensator( $rows );
 658                 }
 659                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 660                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 661
 662                 $s .= $this->topLinks() ;
 663                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 664
 665                 $r = $wgContLang->isRTL() ? "left" : "right";
 666                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 667                 $s .= $this->nameAndLogin();
 668                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 669
 670                 if ( $langlinks ) {
 671                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 672                 }
 673
 674                 if ( $shove && !$left ) { # Right
 675                         $s .= $this->getQuickbarCompensator( $rows );
 676                 }
 677                 $s .= "</tr>\n</table>\n</div>\n";
 678                 $s .= "\n<div id='article'>\n";
 679
 680                 $notice = wfGetSiteNotice();
 681                 if( $notice ) {
 682                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 683                 }
 684                 $s .= $this->pageTitle();
 685                 $s .= $this->pageSubtitle() ;
 686                 $s .= $this->getCategories();
 687                 wfProfileOut( $fname );
 688                 return $s;
 689         }
 690
 691
 692         function getCategoryLinks() {
 693                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 694                 global $wgContLang, $wgUser;
 695
 696                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 697
 698                 # Separator
 699                 $sep = wfMsgHtml( 'catseparator' );
 700
 701                 // Use Unicode bidi embedding override characters,
 702                 // to make sure links don't smash each other up in ugly ways.
 703                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 704                 $embed = "<span dir='$dir'>";
 705                 $pop = '</span>';
 706
 707                 $allCats = $wgOut->getCategoryLinks();
 708                 $s = '';
 709                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 710                 if ( !empty( $allCats['normal'] ) ) {
 711                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 712
 713                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 714                         $s .= '<div id="mw-normal-catlinks">' .
 715                                 $this->link( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 716                                 . $colon . $t . '</div>';
 717                 }
 718
 719                 # Hidden categories
 720                 if ( isset( $allCats['hidden'] ) ) {
 721                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 722                                 $class ='mw-hidden-cats-user-shown';
 723                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 724                                 $class = 'mw-hidden-cats-ns-shown';
 725                         } else {
 726                                 $class = 'mw-hidden-cats-hidden';
 727                         }
 728                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 729                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 730                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 731                                 "</div>";
 732                 }
 733
 734                 # optional 'dmoz-like' category browser. Will be shown under the list
 735                 # of categories an article belong to
 736                 if($wgUseCategoryBrowser) {
 737                         $s .= '<br /><hr />';
 738
 739                         # get a big array of the parents tree
 740                         $parenttree = $wgTitle->getParentCategoryTree();
 741                         # Skin object passed by reference cause it can not be
 742                         # accessed under the method subfunction drawCategoryBrowser
 743                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 744                         # Clean out bogus first entry and sort them
 745                         unset($tempout[0]);
 746                         asort($tempout);
 747                         # Output one per line
 748                         $s .= implode("<br />\n", $tempout);
 749                 }
 750
 751                 return $s;
 752         }
 753
 754         /** Render the array as a serie of links.
 755          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 756          * @param &skin Object: skin passed by reference
 757          * @return String separated by &gt;, terminate with "\n"
 758          */
 759         function drawCategoryBrowser($tree, &$skin) {
 760                 $return = '';
 761                 foreach ($tree as $element => $parent) {
 762                         if (empty($parent)) {
 763                                 # element start a new list
 764                                 $return .= "\n";
 765                         } else {
 766                                 # grab the others elements
 767                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 768                         }
 769                         # add our current element to the list
 770                         $eltitle = Title::newFromText($element);
 771                         $return .=  $skin->link( $eltitle, $eltitle->getText() ) ;
 772                 }
 773                 return $return;
 774         }
 775
 776         function getCategories() {
 777                 $catlinks=$this->getCategoryLinks();
 778
 779                 $classes = 'catlinks';
 780
 781                 if( strpos( $catlinks, '<div id="mw-normal-catlinks">' ) === false &&
 782                         strpos( $catlinks, '<div id="mw-hidden-catlinks" class="mw-hidden-cats-hidden">' ) !== false ) {
 783                         $classes .= ' catlinks-allhidden';
 784                 }
 785
 786                 if( !empty( $catlinks ) ){
 787                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 788                 }
 789         }
 790
 791         function getQuickbarCompensator( $rows = 1 ) {
 792                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 793         }
 794
 795         /**
 796          * This runs a hook to allow extensions placing their stuff after content
 797          * and article metadata (e.g. categories).
 798          * Note: This function has nothing to do with afterContent().
 799          *
 800          * This hook is placed here in order to allow using the same hook for all
 801          * skins, both the SkinTemplate based ones and the older ones, which directly
 802          * use this class to get their data.
 803          *
 804          * The output of this function gets processed in SkinTemplate::outputPage() for
 805          * the SkinTemplate based skins, all other skins should directly echo it.
 806          *
 807          * Returns an empty string by default, if not changed by any hook function.
 808          */
 809         protected function afterContentHook () {
 810                 $data = "";
 811
 812                 if (wfRunHooks ('SkinAfterContent', array (&$data))) {
 813                         // adding just some spaces shouldn't toggle the output
 814                         // of the whole <div/>, so we use trim() here
 815                         if (trim ($data) != "") {
 816                                 // Doing this here instead of in the skins to
 817                                 // ensure that the div has the same ID in all
 818                                 // skins
 819                                 $data = "<div id='mw-data-after-content'>\n" .
 820                                         "\t$data\n" .
 821                                         "</div>\n";
 822                         }
 823                 } else {
 824                         wfDebug ('Hook SkinAfterContent changed output processing.');
 825                 }
 826
 827                 return $data;
 828         }
 829
 830         /**
 831          * This gets called shortly before the \</body\> tag.
 832          * @return String HTML to be put before \</body\>
 833          */
 834         function afterContent() {
 835                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 836                 return $printfooter . $this->doAfterContent();
 837         }
 838
 839         /**
 840          * This gets called shortly before the \</body\> tag.
 841          * @return String HTML-wrapped JS code to be put before \</body\>
 842          */
 843         function bottomScripts() {
 844                 global $wgJsMimeType;
 845                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 846                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 847                 return $bottomScriptText;
 848         }
 849
 850         /** @return string Retrievied from HTML text */
 851         function printSource() {
 852                 global $wgTitle;
 853                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 854                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 855         }
 856
 857         function printFooter() {
 858                 return "<p>" .  $this->printSource() .
 859                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 860         }
 861
 862         /** overloaded by derived classes */
 863         function doAfterContent() { }
 864
 865         function pageTitleLinks() {
 866                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 867
 868                 $oldid = $wgRequest->getVal( 'oldid' );
 869                 $diff = $wgRequest->getVal( 'diff' );
 870                 $action = $wgRequest->getText( 'action' );
 871
 872                 $s = $this->printableLink();
 873                 $disclaimer = $this->disclaimerLink(); # may be empty
 874                 if( $disclaimer ) {
 875                         $s .= ' | ' . $disclaimer;
 876                 }
 877                 $privacy = $this->privacyLink(); # may be empty too
 878                 if( $privacy ) {
 879                         $s .= ' | ' . $privacy;
 880                 }
 881
 882                 if ( $wgOut->isArticleRelated() ) {
 883                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 884                                 $name = $wgTitle->getDBkey();
 885                                 $image = wfFindFile( $wgTitle );
 886                                 if( $image ) {
 887                                         $link = htmlspecialchars( $image->getURL() );
 888                                         $style = $this->getInternalLinkAttributes( $link, $name );
 889                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 890                                 }
 891                         }
 892                 }
 893                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 894                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 895                                         wfMsg( 'currentrev' ) );
 896                 }
 897
 898                 if ( $wgUser->getNewtalk() ) {
 899                         # do not show "You have new messages" text when we are viewing our
 900                         # own talk page
 901                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 902                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 903                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 904                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 905                                 # disable caching
 906                                 $wgOut->setSquidMaxage(0);
 907                                 $wgOut->enableClientCache(false);
 908                         }
 909                 }
 910
 911                 $undelete = $this->getUndeleteLink();
 912                 if( !empty( $undelete ) ) {
 913                         $s .= ' | '.$undelete;
 914                 }
 915                 return $s;
 916         }
 917
 918         function getUndeleteLink() {
 919                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 920                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 921                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 922                         ($n = $wgTitle->isDeleted() ) )
 923                 {
 924                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 925                                 $msg = 'thisisdeleted';
 926                         } else {
 927                                 $msg = 'viewdeleted';
 928                         }
 929                         return wfMsg( $msg,
 930                                 $this->makeKnownLinkObj(
 931                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 932                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 933                 }
 934                 return '';
 935         }
 936
 937         function printableLink() {
 938                 global $wgOut, $wgFeedClasses, $wgRequest;
 939
 940                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 941
 942                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 943                 if( $wgOut->isSyndicated() ) {
 944                         foreach( $wgFeedClasses as $format => $class ) {
 945                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 946                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 947                         }
 948                 }
 949                 return $s;
 950         }
 951
 952         function pageTitle() {
 953                 global $wgOut;
 954                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 955                 return $s;
 956         }
 957
 958         function pageSubtitle() {
 959                 global $wgOut;
 960
 961                 $sub = $wgOut->getSubtitle();
 962                 if ( '' == $sub ) {
 963                         global $wgExtraSubtitle;
 964                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 965                 }
 966                 $subpages = $this->subPageSubtitle();
 967                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 968                 $s = "<p class='subtitle'>{$sub}</p>\n";
 969                 return $s;
 970         }
 971
 972         function subPageSubtitle() {
 973                 $subpages = '';
 974                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 975                         return $subpages;
 976
 977                 global $wgOut, $wgTitle;
 978                 if($wgOut->isArticle() && MWNamespace::hasSubpages( $wgTitle->getNamespace() )) {
 979                         $ptext=$wgTitle->getPrefixedText();
 980                         if(preg_match('/\//',$ptext)) {
 981                                 $links = explode('/',$ptext);
 982                                 array_pop( $links );
 983                                 $c = 0;
 984                                 $growinglink = '';
 985                                 $display = '';
 986                                 foreach($links as $link) {
 987                                         $growinglink .= $link;
 988                                         $display .= $link;
 989                                         $linkObj = Title::newFromText( $growinglink );
 990                                         if( is_object( $linkObj ) && $linkObj->exists() ){
 991                                                 $getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
 992                                                 $c++;
 993                                                 if ($c>1) {
 994                                                         $subpages .= ' | ';
 995                                                 } else  {
 996                                                         $subpages .= '&lt; ';
 997                                                 }
 998                                                 $subpages .= $getlink;
 999                                                 $display = '';
1000                                         } else {
1001                                                 $display .= '/';
1002                                         }
1003                                         $growinglink .= '/';
1004                                 }
1005                         }
1006                 }
1007                 return $subpages;
1008         }
1009
1010         /**
1011          * Returns true if the IP should be shown in the header
1012          */
1013         function showIPinHeader() {
1014                 global $wgShowIPinHeader;
1015                 return $wgShowIPinHeader && session_id() != '';
1016         }
1017
1018         function nameAndLogin() {
1019                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
1020
1021                 $logoutPage = $wgContLang->specialPage( 'Userlogout' );
1022
1023                 $ret = '';
1024                 if ( $wgUser->isAnon() ) {
1025                         if( $this->showIPinHeader() ) {
1026                                 $name = wfGetIP();
1027
1028                                 $talkLink = $this->link( $wgUser->getTalkPage(),
1029                                         $wgLang->getNsText( NS_TALK ) );
1030
1031                                 $ret .= "$name ($talkLink)";
1032                         } else {
1033                                 $ret .= wfMsg( 'notloggedin' );
1034                         }
1035
1036                         $returnTo = $wgTitle->getPrefixedDBkey();
1037                         $query = array();
1038                         if ( $logoutPage != $returnTo ) {
1039                                 $query['returnto'] = $returnTo;
1040                         }
1041
1042                         $loginlink = $wgUser->isAllowed( 'createaccount' )
1043                                 ? 'nav-login-createaccount'
1044                                 : 'login';
1045                         $ret .= "\n<br />" . $this->link(
1046                                 SpecialPage::getTitleFor( 'Userlogin' ),
1047                                 wfMsg( $loginlink ), array(), $query
1048                         );
1049                 } else {
1050                         $returnTo = $wgTitle->getPrefixedDBkey();
1051                         $talkLink = $this->link( $wgUser->getTalkPage(),
1052                                 $wgLang->getNsText( NS_TALK ) );
1053
1054                         $ret .= $this->link( $wgUser->getUserPage(),
1055                                 htmlspecialchars( $wgUser->getName() ) );
1056                         $ret .= " ($talkLink)<br />";
1057                         $ret .= $this->link(
1058                                 SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
1059                                 array(), array( 'returnto' => $returnTo )
1060                         );
1061                         $ret .= ' | ' . $this->specialLink( 'preferences' );
1062                 }
1063                 $ret .= ' | ' . $this->link(
1064                         Title::newFromText( wfMsgForContent( 'helppage' ) ),
1065                         wfMsg( 'help' )
1066                 );
1067
1068                 return $ret;
1069         }
1070
1071         function getSearchLink() {
1072                 $searchPage = SpecialPage::getTitleFor( 'Search' );
1073                 return $searchPage->getLocalURL();
1074         }
1075
1076         function escapeSearchLink() {
1077                 return htmlspecialchars( $this->getSearchLink() );
1078         }
1079
1080         function searchForm() {
1081                 global $wgRequest;
1082                 $search = $wgRequest->getText( 'search' );
1083
1084                 $s = '<form id="searchform'.$this->searchboxes.'" name="search" class="inline" method="post" action="'
1085                   . $this->escapeSearchLink() . "\">\n"
1086                   . '<input type="text" id="searchInput'.$this->searchboxes.'" name="search" size="19" value="'
1087                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
1088                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
1089                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
1090
1091                 // Ensure unique id's for search boxes made after the first
1092                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
1093
1094                 return $s;
1095         }
1096
1097         function topLinks() {
1098                 global $wgOut;
1099                 $sep = " |\n";
1100
1101                 $s = $this->mainPageLink() . $sep
1102                   . $this->specialLink( 'recentchanges' );
1103
1104                 if ( $wgOut->isArticleRelated() ) {
1105                         $s .=  $sep . $this->editThisPage()
1106                           . $sep . $this->historyLink();
1107                 }
1108                 # Many people don't like this dropdown box
1109                 #$s .= $sep . $this->specialPagesList();
1110
1111                 $s .= $this->variantLinks();
1112
1113                 $s .= $this->extensionTabLinks();
1114
1115                 return $s;
1116         }
1117
1118         /**
1119          * Compatibility for extensions adding functionality through tabs.
1120          * Eventually these old skins should be replaced with SkinTemplate-based
1121          * versions, sigh...
1122          * @return string
1123          */
1124         function extensionTabLinks() {
1125                 $tabs = array();
1126                 $s = '';
1127                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1128                 foreach( $tabs as $tab ) {
1129                         $s .= ' | ' . Xml::element( 'a',
1130                                 array( 'href' => $tab['href'] ),
1131                                 $tab['text'] );
1132                 }
1133                 return $s;
1134         }
1135
1136         /**
1137          * Language/charset variant links for classic-style skins
1138          * @return string
1139          */
1140         function variantLinks() {
1141                 $s = '';
1142                 /* show links to different language variants */
1143                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1144                 $variants = $wgContLang->getVariants();
1145                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1146                         foreach( $variants as $code ) {
1147                                 $varname = $wgContLang->getVariantname( $code );
1148                                 if( $varname == 'disable' )
1149                                         continue;
1150                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1151                         }
1152                 }
1153                 return $s;
1154         }
1155
1156         function bottomLinks() {
1157                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1158                 $sep = " |\n";
1159
1160                 $s = '';
1161                 if ( $wgOut->isArticleRelated() ) {
1162                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1163                         if ( $wgUser->isLoggedIn() ) {
1164                                 $s .= $sep . $this->watchThisPage();
1165                         }
1166                         $s .= $sep . $this->talkLink()
1167                           . $sep . $this->historyLink()
1168                           . $sep . $this->whatLinksHere()
1169                           . $sep . $this->watchPageLinksLink();
1170
1171                         if ($wgUseTrackbacks)
1172                                 $s .= $sep . $this->trackbackLink();
1173
1174                         if ( $wgTitle->getNamespace() == NS_USER
1175                             || $wgTitle->getNamespace() == NS_USER_TALK )
1176
1177                         {
1178                                 $id=User::idFromName($wgTitle->getText());
1179                                 $ip=User::isIP($wgTitle->getText());
1180
1181                                 if($id || $ip) { # both anons and non-anons have contri list
1182                                         $s .= $sep . $this->userContribsLink();
1183                                 }
1184                                 if( $this->showEmailUser( $id ) ) {
1185                                         $s .= $sep . $this->emailUserLink();
1186                                 }
1187                         }
1188                         if ( $wgTitle->getArticleId() ) {
1189                                 $s .= "\n<br />";
1190                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1191                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1192                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1193                         }
1194                         $s .= "<br />\n" . $this->otherLanguages();
1195                 }
1196                 return $s;
1197         }
1198
1199         function pageStats() {
1200                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1201                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1202
1203                 $oldid = $wgRequest->getVal( 'oldid' );
1204                 $diff = $wgRequest->getVal( 'diff' );
1205                 if ( ! $wgOut->isArticle() ) { return ''; }
1206                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1207                 if ( 0 == $wgArticle->getID() ) { return ''; }
1208
1209                 $s = '';
1210                 if ( !$wgDisableCounters ) {
1211                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1212                         if ( $count ) {
1213                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1214                         }
1215                 }
1216
1217                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1218                     require_once('Credits.php');
1219                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1220                 } else {
1221                     $s .= $this->lastModified();
1222                 }
1223
1224                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1225                         $dbr = wfGetDB( DB_SLAVE );
1226                         $watchlist = $dbr->tableName( 'watchlist' );
1227                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1228                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1229                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1230                         $res = $dbr->query( $sql, 'Skin::pageStats');
1231                         $x = $dbr->fetchObject( $res );
1232
1233                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1234                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1235                         );
1236                 }
1237
1238                 return $s . ' ' .  $this->getCopyright();
1239         }
1240
1241         function getCopyright( $type = 'detect' ) {
1242                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1243
1244                 if ( $type == 'detect' ) {
1245                         $oldid = $wgRequest->getVal( 'oldid' );
1246                         $diff = $wgRequest->getVal( 'diff' );
1247
1248                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1249                                 $type = 'history';
1250                         } else {
1251                                 $type = 'normal';
1252                         }
1253                 }
1254
1255                 if ( $type == 'history' ) {
1256                         $msg = 'history_copyright';
1257                 } else {
1258                         $msg = 'copyright';
1259                 }
1260
1261                 $out = '';
1262                 if( $wgRightsPage ) {
1263                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1264                 } elseif( $wgRightsUrl ) {
1265                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1266                 } else {
1267                         # Give up now
1268                         return $out;
1269                 }
1270                 $out .= wfMsgForContent( $msg, $link );
1271                 return $out;
1272         }
1273
1274         function getCopyrightIcon() {
1275                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1276                 $out = '';
1277                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1278                         $out = $wgCopyrightIcon;
1279                 } else if ( $wgRightsIcon ) {
1280                         $icon = htmlspecialchars( $wgRightsIcon );
1281                         if ( $wgRightsUrl ) {
1282                                 $url = htmlspecialchars( $wgRightsUrl );
1283                                 $out .= '<a href="'.$url.'">';
1284                         }
1285                         $text = htmlspecialchars( $wgRightsText );
1286                         $out .= "<img src=\"$icon\" alt='$text' />";
1287                         if ( $wgRightsUrl ) {
1288                                 $out .= '</a>';
1289                         }
1290                 }
1291                 return $out;
1292         }
1293
1294         function getPoweredBy() {
1295                 global $wgStylePath;
1296                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1297                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1298                 return $img;
1299         }
1300
1301         function lastModified() {
1302                 global $wgLang, $wgArticle;
1303                 if( $this->mRevisionId ) {
1304                         $timestamp = Revision::getTimestampFromId( $this->mRevisionId, $wgArticle->getId() );
1305                 } else {
1306                         $timestamp = $wgArticle->getTimestamp();
1307                 }
1308                 if ( $timestamp ) {
1309                         $d = $wgLang->date( $timestamp, true );
1310                         $t = $wgLang->time( $timestamp, true );
1311                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1312                 } else {
1313                         $s = '';
1314                 }
1315                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1316                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1317                 }
1318                 return $s;
1319         }
1320
1321         function logoText( $align = '' ) {
1322                 if ( '' != $align ) { $a = " align='{$align}'"; }
1323                 else { $a = ''; }
1324
1325                 $mp = wfMsg( 'mainpage' );
1326                 $mptitle = Title::newMainPage();
1327                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1328
1329                 $logourl = $this->getLogo();
1330                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1331                 return $s;
1332         }
1333
1334         /**
1335          * show a drop-down box of special pages
1336          */
1337         function specialPagesList() {
1338                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1339                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1340                 foreach ( $pages as $name => $page ) {
1341                         $pages[$name] = $page->getDescription();
1342                 }
1343
1344                 $go = wfMsg( 'go' );
1345                 $sp = wfMsg( 'specialpages' );
1346                 $spp = $wgContLang->specialPage( 'Specialpages' );
1347
1348                 $s = '<form id="specialpages" method="get" class="inline" ' .
1349                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1350                 $s .= "<select name=\"wpDropdown\">\n";
1351                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1352
1353
1354                 foreach ( $pages as $name => $desc ) {
1355                         $p = $wgContLang->specialPage( $name );
1356                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1357                 }
1358                 $s .= "</select>\n";
1359                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1360                 $s .= "</form>\n";
1361                 return $s;
1362         }
1363
1364         function mainPageLink() {
1365                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1366                 return $s;
1367         }
1368
1369         function copyrightLink() {
1370                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1371                   wfMsg( 'copyrightpagename' ) );
1372                 return $s;
1373         }
1374
1375         private function footerLink ( $desc, $page ) {
1376                 // if the link description has been set to "-" in the default language,
1377                 if ( wfMsgForContent( $desc )  == '-') {
1378                         // then it is disabled, for all languages.
1379                         return '';
1380                 } else {
1381                         // Otherwise, we display the link for the user, described in their
1382                         // language (which may or may not be the same as the default language),
1383                         // but we make the link target be the one site-wide page.
1384                         return $this->makeKnownLink( wfMsgForContent( $page ),
1385                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1386                 }
1387         }
1388
1389         function privacyLink() {
1390                 return $this->footerLink( 'privacy', 'privacypage' );
1391         }
1392
1393         function aboutLink() {
1394                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1395         }
1396
1397         function disclaimerLink() {
1398                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1399         }
1400
1401         function editThisPage() {
1402                 global $wgOut, $wgTitle;
1403
1404                 if ( !$wgOut->isArticleRelated() ) {
1405                         $s = wfMsg( 'protectedpage' );
1406                 } else {
1407                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1408                                 $t = wfMsg( 'editthispage' );
1409                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1410                                 $t = wfMsg( 'create-this-page' );
1411                         } else {
1412                                 $t = wfMsg( 'viewsource' );
1413                         }
1414
1415                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1416                 }
1417                 return $s;
1418         }
1419
1420         /**
1421          * Return URL options for the 'edit page' link.
1422          * This may include an 'oldid' specifier, if the current page view is such.
1423          *
1424          * @return string
1425          * @private
1426          */
1427         function editUrlOptions() {
1428                 global $wgArticle;
1429
1430                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1431                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1432                 } else {
1433                         return "action=edit";
1434                 }
1435         }
1436
1437         function deleteThisPage() {
1438                 global $wgUser, $wgTitle, $wgRequest;
1439
1440                 $diff = $wgRequest->getVal( 'diff' );
1441                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1442                         $t = wfMsg( 'deletethispage' );
1443
1444                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1445                 } else {
1446                         $s = '';
1447                 }
1448                 return $s;
1449         }
1450
1451         function protectThisPage() {
1452                 global $wgUser, $wgTitle, $wgRequest;
1453
1454                 $diff = $wgRequest->getVal( 'diff' );
1455                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1456                         if ( $wgTitle->isProtected() ) {
1457                                 $t = wfMsg( 'unprotectthispage' );
1458                                 $q = 'action=unprotect';
1459                         } else {
1460                                 $t = wfMsg( 'protectthispage' );
1461                                 $q = 'action=protect';
1462                         }
1463                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1464                 } else {
1465                         $s = '';
1466                 }
1467                 return $s;
1468         }
1469
1470         function watchThisPage() {
1471                 global $wgOut, $wgTitle;
1472                 ++$this->mWatchLinkNum;
1473
1474                 if ( $wgOut->isArticleRelated() ) {
1475                         if ( $wgTitle->userIsWatching() ) {
1476                                 $t = wfMsg( 'unwatchthispage' );
1477                                 $q = 'action=unwatch';
1478                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1479                         } else {
1480                                 $t = wfMsg( 'watchthispage' );
1481                                 $q = 'action=watch';
1482                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1483                         }
1484                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1485                 } else {
1486                         $s = wfMsg( 'notanarticle' );
1487                 }
1488                 return $s;
1489         }
1490
1491         function moveThisPage() {
1492                 global $wgTitle;
1493
1494                 if ( $wgTitle->userCan( 'move' ) ) {
1495                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1496                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1497                 } else {
1498                         // no message if page is protected - would be redundant
1499                         return '';
1500                 }
1501         }
1502
1503         function historyLink() {
1504                 global $wgTitle;
1505
1506                 return $this->makeKnownLinkObj( $wgTitle,
1507                   wfMsg( 'history' ), 'action=history' );
1508         }
1509
1510         function whatLinksHere() {
1511                 global $wgTitle;
1512
1513                 return $this->makeKnownLinkObj(
1514                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1515                         wfMsg( 'whatlinkshere' ) );
1516         }
1517
1518         function userContribsLink() {
1519                 global $wgTitle;
1520
1521                 return $this->makeKnownLinkObj(
1522                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1523                         wfMsg( 'contributions' ) );
1524         }
1525
1526         function showEmailUser( $id ) {
1527                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1528                 return $wgEnableEmail &&
1529                        $wgEnableUserEmail &&
1530                        $wgUser->isLoggedIn() && # show only to signed in users
1531                        0 != $id; # we can only email to non-anons ..
1532 #                      '' != $id->getEmail() && # who must have an email address stored ..
1533 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1534 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1535         }
1536
1537         function emailUserLink() {
1538                 global $wgTitle;
1539
1540                 return $this->makeKnownLinkObj(
1541                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1542                         wfMsg( 'emailuser' ) );
1543         }
1544
1545         function watchPageLinksLink() {
1546                 global $wgOut, $wgTitle;
1547
1548                 if ( ! $wgOut->isArticleRelated() ) {
1549                         return '(' . wfMsg( 'notanarticle' ) . ')';
1550                 } else {
1551                         return $this->makeKnownLinkObj(
1552                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1553                                 wfMsg( 'recentchangeslinked' ) );
1554                 }
1555         }
1556
1557         function trackbackLink() {
1558                 global $wgTitle;
1559
1560                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1561                         . wfMsg('trackbacklink') . "</a>";
1562         }
1563
1564         function otherLanguages() {
1565                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1566
1567                 if ( $wgHideInterlanguageLinks ) {
1568                         return '';
1569                 }
1570
1571                 $a = $wgOut->getLanguageLinks();
1572                 if ( 0 == count( $a ) ) {
1573                         return '';
1574                 }
1575
1576                 $s = wfMsg( 'otherlanguages' ) . ': ';
1577                 $first = true;
1578                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1579                 foreach( $a as $l ) {
1580                         if ( ! $first ) { $s .= ' | '; }
1581                         $first = false;
1582
1583                         $nt = Title::newFromText( $l );
1584                         $url = $nt->escapeFullURL();
1585                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1586
1587                         if ( '' == $text ) { $text = $l; }
1588                         $style = $this->getExternalLinkAttributes( $l, $text );
1589                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1590                 }
1591                 if($wgContLang->isRTL()) $s .= '</span>';
1592                 return $s;
1593         }
1594
1595         function bugReportsLink() {
1596                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1597                   wfMsg( 'bugreports' ) );
1598                 return $s;
1599         }
1600
1601         function talkLink() {
1602                 global $wgTitle;
1603
1604                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1605                         # No discussion links for special pages
1606                         return '';
1607                 }
1608
1609                 if( $wgTitle->isTalkPage() ) {
1610                         $link = $wgTitle->getSubjectPage();
1611                         switch( $link->getNamespace() ) {
1612                                 case NS_MAIN:
1613                                         $text = wfMsg( 'articlepage' );
1614                                         break;
1615                                 case NS_USER:
1616                                         $text = wfMsg( 'userpage' );
1617                                         break;
1618                                 case NS_PROJECT:
1619                                         $text = wfMsg( 'projectpage' );
1620                                         break;
1621                                 case NS_IMAGE:
1622                                         $text = wfMsg( 'imagepage' );
1623                                         break;
1624                                 case NS_MEDIAWIKI:
1625                                         $text = wfMsg( 'mediawikipage' );
1626                                         break;
1627                                 case NS_TEMPLATE:
1628                                         $text = wfMsg( 'templatepage' );
1629                                         break;
1630                                 case NS_HELP:
1631                                         $text = wfMsg( 'viewhelppage' );
1632                                         break;
1633                                 case NS_CATEGORY:
1634                                         $text = wfMsg( 'categorypage' );
1635                                         break;
1636                                 default:
1637                                         $text = wfMsg( 'articlepage' );
1638                         }
1639                 } else {
1640                         $link = $wgTitle->getTalkPage();
1641                         $text = wfMsg( 'talkpage' );
1642                 }
1643
1644                 $s = $this->makeLinkObj( $link, $text );
1645
1646                 return $s;
1647         }
1648
1649         function commentLink() {
1650                 global $wgTitle, $wgOut;
1651
1652                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1653                         return '';
1654                 }
1655
1656                 # __NEWSECTIONLINK___ changes behaviour here
1657                 # If it's present, the link points to this page, otherwise
1658                 # it points to the talk page
1659                 if( $wgTitle->isTalkPage() ) {
1660                         $title = $wgTitle;
1661                 } elseif( $wgOut->showNewSectionLink() ) {
1662                         $title = $wgTitle;
1663                 } else {
1664                         $title = $wgTitle->getTalkPage();
1665                 }
1666
1667                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1668         }
1669
1670         /* these are used extensively in SkinTemplate, but also some other places */
1671         static function makeMainPageUrl( $urlaction = '' ) {
1672                 $title = Title::newMainPage();
1673                 self::checkTitle( $title, '' );
1674                 return $title->getLocalURL( $urlaction );
1675         }
1676
1677         static function makeSpecialUrl( $name, $urlaction = '' ) {
1678                 $title = SpecialPage::getTitleFor( $name );
1679                 return $title->getLocalURL( $urlaction );
1680         }
1681
1682         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1683                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1684                 return $title->getLocalURL( $urlaction );
1685         }
1686
1687         static function makeI18nUrl( $name, $urlaction = '' ) {
1688                 $title = Title::newFromText( wfMsgForContent( $name ) );
1689                 self::checkTitle( $title, $name );
1690                 return $title->getLocalURL( $urlaction );
1691         }
1692
1693         static function makeUrl( $name, $urlaction = '' ) {
1694                 $title = Title::newFromText( $name );
1695                 self::checkTitle( $title, $name );
1696                 return $title->getLocalURL( $urlaction );
1697         }
1698
1699         # If url string starts with http, consider as external URL, else
1700         # internal
1701         static function makeInternalOrExternalUrl( $name ) {
1702                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1703                         return $name;
1704                 } else {
1705                         return self::makeUrl( $name );
1706                 }
1707         }
1708
1709         # this can be passed the NS number as defined in Language.php
1710         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1711                 $title = Title::makeTitleSafe( $namespace, $name );
1712                 self::checkTitle( $title, $name );
1713                 return $title->getLocalURL( $urlaction );
1714         }
1715
1716         /* these return an array with the 'href' and boolean 'exists' */
1717         static function makeUrlDetails( $name, $urlaction = '' ) {
1718                 $title = Title::newFromText( $name );
1719                 self::checkTitle( $title, $name );
1720                 return array(
1721                         'href' => $title->getLocalURL( $urlaction ),
1722                         'exists' => $title->getArticleID() != 0 ? true : false
1723                 );
1724         }
1725
1726         /**
1727          * Make URL details where the article exists (or at least it's convenient to think so)
1728          */
1729         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1730                 $title = Title::newFromText( $name );
1731                 self::checkTitle( $title, $name );
1732                 return array(
1733                         'href' => $title->getLocalURL( $urlaction ),
1734                         'exists' => true
1735                 );
1736         }
1737
1738         # make sure we have some title to operate on
1739         static function checkTitle( &$title, $name ) {
1740                 if( !is_object( $title ) ) {
1741                         $title = Title::newFromText( $name );
1742                         if( !is_object( $title ) ) {
1743                                 $title = Title::newFromText( '--error: link target missing--' );
1744                         }
1745                 }
1746         }
1747
1748         /**
1749          * Build an array that represents the sidebar(s), the navigation bar among them
1750          *
1751          * @return array
1752          */
1753         function buildSidebar() {
1754                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1755                 global $wgLang;
1756                 wfProfileIn( __METHOD__ );
1757
1758                 $key = wfMemcKey( 'sidebar', $wgLang->getCode() );
1759
1760                 if ( $wgEnableSidebarCache ) {
1761                         $cachedsidebar = $parserMemc->get( $key );
1762                         if ( $cachedsidebar ) {
1763                                 wfProfileOut( __METHOD__ );
1764                                 return $cachedsidebar;
1765                         }
1766                 }
1767
1768                 $bar = array();
1769                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1770                 $heading = '';
1771                 foreach ($lines as $line) {
1772                         if (strpos($line, '*') !== 0)
1773                                 continue;
1774                         if (strpos($line, '**') !== 0) {
1775                                 $line = trim($line, '* ');
1776                                 $heading = $line;
1777                                 if( !array_key_exists($heading, $bar) ) $bar[$heading] = array();
1778                         } else {
1779                                 if (strpos($line, '|') !== false) { // sanity check
1780                                         $line = array_map('trim', explode( '|' , trim($line, '* '), 2 ) );
1781                                         $link = wfMsgForContent( $line[0] );
1782                                         if ($link == '-')
1783                                                 continue;
1784                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1785                                                 $text = $line[1];
1786                                         if (wfEmptyMsg($line[0], $link))
1787                                                 $link = $line[0];
1788
1789                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1790                                                 $href = $link;
1791                                         } else {
1792                                                 $title = Title::newFromText( $link );
1793                                                 if ( $title ) {
1794                                                         $title = $title->fixSpecialName();
1795                                                         $href = $title->getLocalURL();
1796                                                 } else {
1797                                                         $href = 'INVALID-TITLE';
1798                                                 }
1799                                         }
1800
1801                                         $bar[$heading][] = array(
1802                                                 'text' => $text,
1803                                                 'href' => $href,
1804                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1805                                                 'active' => false
1806                                         );
1807                                 } else { continue; }
1808                         }
1809                 }
1810                 wfRunHooks('SkinBuildSidebar', array($this, &$bar));
1811                 if ( $wgEnableSidebarCache ) $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1812                 wfProfileOut( __METHOD__ );
1813                 return $bar;
1814         }
1815 }