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                 $a['class'] =
 591                         'mediawiki' .
 592                         ' '.$this->getNamespaceClasses( $wgTitle ) .
 593                         ' '.( $wgContLang->isRTL() ? "rtl" : "ltr" ).
 594                         ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() ).
 595                         ' skin-'. Sanitizer::escapeClass( $this->getSkinName( ) );
 596                 return $a;
 597         }
 598
 599         function getNamespaceClasses( $title ) {
 600                 $numeric = 'ns-'.$title->getNamespace();
 601                 if( $title->getNamespace() == NS_SPECIAL ) {
 602                         $type = "ns-special";
 603                 } elseif( $title->isTalkPage() ) {
 604                         $type = "ns-talk";
 605                 } else {
 606                         $type = "ns-subject";
 607                 }
 608                 return "$numeric $type";
 609         }
 610
 611         /**
 612          * URL to the logo
 613          */
 614         function getLogo() {
 615                 global $wgLogo;
 616                 return $wgLogo;
 617         }
 618
 619         /**
 620          * This will be called immediately after the <body> tag.  Split into
 621          * two functions to make it easier to subclass.
 622          */
 623         function beforeContent() {
 624                 return $this->doBeforeContent();
 625         }
 626
 627         function doBeforeContent() {
 628                 global $wgContLang;
 629                 $fname = 'Skin::doBeforeContent';
 630                 wfProfileIn( $fname );
 631
 632                 $s = '';
 633                 $qb = $this->qbSetting();
 634
 635                 if( $langlinks = $this->otherLanguages() ) {
 636                         $rows = 2;
 637                         $borderhack = '';
 638                 } else {
 639                         $rows = 1;
 640                         $langlinks = false;
 641                         $borderhack = 'class="top"';
 642                 }
 643
 644                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 645                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 646
 647                 $shove = ($qb != 0);
 648                 $left = ($qb == 1 || $qb == 3);
 649                 if($wgContLang->isRTL()) $left = !$left;
 650
 651                 if ( !$shove ) {
 652                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 653                           $this->logoText() . '</td>';
 654                 } elseif( $left ) {
 655                         $s .= $this->getQuickbarCompensator( $rows );
 656                 }
 657                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 658                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 659
 660                 $s .= $this->topLinks() ;
 661                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 662
 663                 $r = $wgContLang->isRTL() ? "left" : "right";
 664                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 665                 $s .= $this->nameAndLogin();
 666                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 667
 668                 if ( $langlinks ) {
 669                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 670                 }
 671
 672                 if ( $shove && !$left ) { # Right
 673                         $s .= $this->getQuickbarCompensator( $rows );
 674                 }
 675                 $s .= "</tr>\n</table>\n</div>\n";
 676                 $s .= "\n<div id='article'>\n";
 677
 678                 $notice = wfGetSiteNotice();
 679                 if( $notice ) {
 680                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 681                 }
 682                 $s .= $this->pageTitle();
 683                 $s .= $this->pageSubtitle() ;
 684                 $s .= $this->getCategories();
 685                 wfProfileOut( $fname );
 686                 return $s;
 687         }
 688
 689
 690         function getCategoryLinks() {
 691                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 692                 global $wgContLang, $wgUser;
 693
 694                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 695
 696                 # Separator
 697                 $sep = wfMsgHtml( 'catseparator' );
 698
 699                 // Use Unicode bidi embedding override characters,
 700                 // to make sure links don't smash each other up in ugly ways.
 701                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 702                 $embed = "<span dir='$dir'>";
 703                 $pop = '</span>';
 704
 705                 $allCats = $wgOut->getCategoryLinks();
 706                 $s = '';
 707                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 708                 if ( !empty( $allCats['normal'] ) ) {
 709                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 710
 711                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 712                         $s .= '<div id="mw-normal-catlinks">' .
 713                                 $this->link( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 714                                 . $colon . $t . '</div>';
 715                 }
 716
 717                 # Hidden categories
 718                 if ( isset( $allCats['hidden'] ) ) {
 719                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 720                                 $class ='mw-hidden-cats-user-shown';
 721                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 722                                 $class = 'mw-hidden-cats-ns-shown';
 723                         } else {
 724                                 $class = 'mw-hidden-cats-hidden';
 725                         }
 726                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 727                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 728                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 729                                 "</div>";
 730                 }
 731
 732                 # optional 'dmoz-like' category browser. Will be shown under the list
 733                 # of categories an article belong to
 734                 if($wgUseCategoryBrowser) {
 735                         $s .= '<br /><hr />';
 736
 737                         # get a big array of the parents tree
 738                         $parenttree = $wgTitle->getParentCategoryTree();
 739                         # Skin object passed by reference cause it can not be
 740                         # accessed under the method subfunction drawCategoryBrowser
 741                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 742                         # Clean out bogus first entry and sort them
 743                         unset($tempout[0]);
 744                         asort($tempout);
 745                         # Output one per line
 746                         $s .= implode("<br />\n", $tempout);
 747                 }
 748
 749                 return $s;
 750         }
 751
 752         /** Render the array as a serie of links.
 753          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 754          * @param &skin Object: skin passed by reference
 755          * @return String separated by &gt;, terminate with "\n"
 756          */
 757         function drawCategoryBrowser($tree, &$skin) {
 758                 $return = '';
 759                 foreach ($tree as $element => $parent) {
 760                         if (empty($parent)) {
 761                                 # element start a new list
 762                                 $return .= "\n";
 763                         } else {
 764                                 # grab the others elements
 765                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 766                         }
 767                         # add our current element to the list
 768                         $eltitle = Title::newFromText($element);
 769                         $return .=  $skin->link( $eltitle, $eltitle->getText() ) ;
 770                 }
 771                 return $return;
 772         }
 773
 774         function getCategories() {
 775                 $catlinks=$this->getCategoryLinks();
 776
 777                 $classes = 'catlinks';
 778
 779                 if( strpos( $catlinks, '<div id="mw-normal-catlinks">' ) === false &&
 780                         strpos( $catlinks, '<div id="mw-hidden-catlinks" class="mw-hidden-cats-hidden">' ) !== false ) {
 781                         $classes .= ' catlinks-allhidden';
 782                 }
 783
 784                 if( !empty( $catlinks ) ){
 785                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 786                 }
 787         }
 788
 789         function getQuickbarCompensator( $rows = 1 ) {
 790                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 791         }
 792
 793         /**
 794          * This runs a hook to allow extensions placing their stuff after content
 795          * and article metadata (e.g. categories).
 796          * Note: This function has nothing to do with afterContent().
 797          *
 798          * This hook is placed here in order to allow using the same hook for all
 799          * skins, both the SkinTemplate based ones and the older ones, which directly
 800          * use this class to get their data.
 801          *
 802          * The output of this function gets processed in SkinTemplate::outputPage() for
 803          * the SkinTemplate based skins, all other skins should directly echo it.
 804          *
 805          * Returns an empty string by default, if not changed by any hook function.
 806          */
 807         protected function afterContentHook () {
 808                 $data = "";
 809
 810                 if (wfRunHooks ('SkinAfterContent', array (&$data))) {
 811                         // adding just some spaces shouldn't toggle the output
 812                         // of the whole <div/>, so we use trim() here
 813                         if (trim ($data) != "") {
 814                                 // Doing this here instead of in the skins to
 815                                 // ensure that the div has the same ID in all
 816                                 // skins
 817                                 $data = "<div id='mw-data-after-content'>\n" .
 818                                         "\t$data\n" .
 819                                         "</div>\n";
 820                         }
 821                 } else {
 822                         wfDebug ('Hook SkinAfterContent changed output processing.');
 823                 }
 824
 825                 return $data;
 826         }
 827
 828         /**
 829          * This gets called shortly before the \</body\> tag.
 830          * @return String HTML to be put before \</body\>
 831          */
 832         function afterContent() {
 833                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 834                 return $printfooter . $this->doAfterContent();
 835         }
 836
 837         /**
 838          * This gets called shortly before the \</body\> tag.
 839          * @return String HTML-wrapped JS code to be put before \</body\>
 840          */
 841         function bottomScripts() {
 842                 global $wgJsMimeType;
 843                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 844                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 845                 return $bottomScriptText;
 846         }
 847
 848         /** @return string Retrievied from HTML text */
 849         function printSource() {
 850                 global $wgTitle;
 851                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 852                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 853         }
 854
 855         function printFooter() {
 856                 return "<p>" .  $this->printSource() .
 857                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 858         }
 859
 860         /** overloaded by derived classes */
 861         function doAfterContent() { }
 862
 863         function pageTitleLinks() {
 864                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 865
 866                 $oldid = $wgRequest->getVal( 'oldid' );
 867                 $diff = $wgRequest->getVal( 'diff' );
 868                 $action = $wgRequest->getText( 'action' );
 869
 870                 $s = $this->printableLink();
 871                 $disclaimer = $this->disclaimerLink(); # may be empty
 872                 if( $disclaimer ) {
 873                         $s .= ' | ' . $disclaimer;
 874                 }
 875                 $privacy = $this->privacyLink(); # may be empty too
 876                 if( $privacy ) {
 877                         $s .= ' | ' . $privacy;
 878                 }
 879
 880                 if ( $wgOut->isArticleRelated() ) {
 881                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 882                                 $name = $wgTitle->getDBkey();
 883                                 $image = wfFindFile( $wgTitle );
 884                                 if( $image ) {
 885                                         $link = htmlspecialchars( $image->getURL() );
 886                                         $style = $this->getInternalLinkAttributes( $link, $name );
 887                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 888                                 }
 889                         }
 890                 }
 891                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 892                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 893                                         wfMsg( 'currentrev' ) );
 894                 }
 895
 896                 if ( $wgUser->getNewtalk() ) {
 897                         # do not show "You have new messages" text when we are viewing our
 898                         # own talk page
 899                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 900                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 901                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 902                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 903                                 # disable caching
 904                                 $wgOut->setSquidMaxage(0);
 905                                 $wgOut->enableClientCache(false);
 906                         }
 907                 }
 908
 909                 $undelete = $this->getUndeleteLink();
 910                 if( !empty( $undelete ) ) {
 911                         $s .= ' | '.$undelete;
 912                 }
 913                 return $s;
 914         }
 915
 916         function getUndeleteLink() {
 917                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 918                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 919                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 920                         ($n = $wgTitle->isDeleted() ) )
 921                 {
 922                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 923                                 $msg = 'thisisdeleted';
 924                         } else {
 925                                 $msg = 'viewdeleted';
 926                         }
 927                         return wfMsg( $msg,
 928                                 $this->makeKnownLinkObj(
 929                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 930                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 931                 }
 932                 return '';
 933         }
 934
 935         function printableLink() {
 936                 global $wgOut, $wgFeedClasses, $wgRequest;
 937
 938                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 939
 940                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 941                 if( $wgOut->isSyndicated() ) {
 942                         foreach( $wgFeedClasses as $format => $class ) {
 943                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 944                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 945                         }
 946                 }
 947                 return $s;
 948         }
 949
 950         function pageTitle() {
 951                 global $wgOut;
 952                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 953                 return $s;
 954         }
 955
 956         function pageSubtitle() {
 957                 global $wgOut;
 958
 959                 $sub = $wgOut->getSubtitle();
 960                 if ( '' == $sub ) {
 961                         global $wgExtraSubtitle;
 962                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 963                 }
 964                 $subpages = $this->subPageSubtitle();
 965                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 966                 $s = "<p class='subtitle'>{$sub}</p>\n";
 967                 return $s;
 968         }
 969
 970         function subPageSubtitle() {
 971                 $subpages = '';
 972                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 973                         return $subpages;
 974
 975                 global $wgOut, $wgTitle;
 976                 if($wgOut->isArticle() && MWNamespace::hasSubpages( $wgTitle->getNamespace() )) {
 977                         $ptext=$wgTitle->getPrefixedText();
 978                         if(preg_match('/\//',$ptext)) {
 979                                 $links = explode('/',$ptext);
 980                                 array_pop( $links );
 981                                 $c = 0;
 982                                 $growinglink = '';
 983                                 $display = '';
 984                                 foreach($links as $link) {
 985                                         $growinglink .= $link;
 986                                         $display .= $link;
 987                                         $linkObj = Title::newFromText( $growinglink );
 988                                         if( is_object( $linkObj ) && $linkObj->exists() ){
 989                                                 $getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
 990                                                 $c++;
 991                                                 if ($c>1) {
 992                                                         $subpages .= ' | ';
 993                                                 } else  {
 994                                                         $subpages .= '&lt; ';
 995                                                 }
 996                                                 $subpages .= $getlink;
 997                                                 $display = '';
 998                                         } else {
 999                                                 $display .= '/';
1000                                         }
1001                                         $growinglink .= '/';
1002                                 }
1003                         }
1004                 }
1005                 return $subpages;
1006         }
1007
1008         /**
1009          * Returns true if the IP should be shown in the header
1010          */
1011         function showIPinHeader() {
1012                 global $wgShowIPinHeader;
1013                 return $wgShowIPinHeader && session_id() != '';
1014         }
1015
1016         function nameAndLogin() {
1017                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
1018
1019                 $logoutPage = $wgContLang->specialPage( 'Userlogout' );
1020
1021                 $ret = '';
1022                 if ( $wgUser->isAnon() ) {
1023                         if( $this->showIPinHeader() ) {
1024                                 $name = wfGetIP();
1025
1026                                 $talkLink = $this->link( $wgUser->getTalkPage(),
1027                                         $wgLang->getNsText( NS_TALK ) );
1028
1029                                 $ret .= "$name ($talkLink)";
1030                         } else {
1031                                 $ret .= wfMsg( 'notloggedin' );
1032                         }
1033
1034                         $returnTo = $wgTitle->getPrefixedDBkey();
1035                         $query = array();
1036                         if ( $logoutPage != $returnTo ) {
1037                                 $query['returnto'] = $returnTo;
1038                         }
1039
1040                         $loginlink = $wgUser->isAllowed( 'createaccount' )
1041                                 ? 'nav-login-createaccount'
1042                                 : 'login';
1043                         $ret .= "\n<br />" . $this->link(
1044                                 SpecialPage::getTitleFor( 'Userlogin' ),
1045                                 wfMsg( $loginlink ), array(), $query
1046                         );
1047                 } else {
1048                         $returnTo = $wgTitle->getPrefixedDBkey();
1049                         $talkLink = $this->link( $wgUser->getTalkPage(),
1050                                 $wgLang->getNsText( NS_TALK ) );
1051
1052                         $ret .= $this->link( $wgUser->getUserPage(),
1053                                 htmlspecialchars( $wgUser->getName() ) );
1054                         $ret .= " ($talkLink)<br />";
1055                         $ret .= $this->link(
1056                                 SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
1057                                 array(), array( 'returnto' => $returnTo )
1058                         );
1059                         $ret .= ' | ' . $this->specialLink( 'preferences' );
1060                 }
1061                 $ret .= ' | ' . $this->link(
1062                         Title::newFromText( wfMsgForContent( 'helppage' ) ),
1063                         wfMsg( 'help' )
1064                 );
1065
1066                 return $ret;
1067         }
1068
1069         function getSearchLink() {
1070                 $searchPage = SpecialPage::getTitleFor( 'Search' );
1071                 return $searchPage->getLocalURL();
1072         }
1073
1074         function escapeSearchLink() {
1075                 return htmlspecialchars( $this->getSearchLink() );
1076         }
1077
1078         function searchForm() {
1079                 global $wgRequest;
1080                 $search = $wgRequest->getText( 'search' );
1081
1082                 $s = '<form id="searchform'.$this->searchboxes.'" name="search" class="inline" method="post" action="'
1083                   . $this->escapeSearchLink() . "\">\n"
1084                   . '<input type="text" id="searchInput'.$this->searchboxes.'" name="search" size="19" value="'
1085                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
1086                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
1087                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
1088
1089                 // Ensure unique id's for search boxes made after the first
1090                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
1091
1092                 return $s;
1093         }
1094
1095         function topLinks() {
1096                 global $wgOut;
1097                 $sep = " |\n";
1098
1099                 $s = $this->mainPageLink() . $sep
1100                   . $this->specialLink( 'recentchanges' );
1101
1102                 if ( $wgOut->isArticleRelated() ) {
1103                         $s .=  $sep . $this->editThisPage()
1104                           . $sep . $this->historyLink();
1105                 }
1106                 # Many people don't like this dropdown box
1107                 #$s .= $sep . $this->specialPagesList();
1108
1109                 $s .= $this->variantLinks();
1110
1111                 $s .= $this->extensionTabLinks();
1112
1113                 return $s;
1114         }
1115
1116         /**
1117          * Compatibility for extensions adding functionality through tabs.
1118          * Eventually these old skins should be replaced with SkinTemplate-based
1119          * versions, sigh...
1120          * @return string
1121          */
1122         function extensionTabLinks() {
1123                 $tabs = array();
1124                 $s = '';
1125                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1126                 foreach( $tabs as $tab ) {
1127                         $s .= ' | ' . Xml::element( 'a',
1128                                 array( 'href' => $tab['href'] ),
1129                                 $tab['text'] );
1130                 }
1131                 return $s;
1132         }
1133
1134         /**
1135          * Language/charset variant links for classic-style skins
1136          * @return string
1137          */
1138         function variantLinks() {
1139                 $s = '';
1140                 /* show links to different language variants */
1141                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1142                 $variants = $wgContLang->getVariants();
1143                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1144                         foreach( $variants as $code ) {
1145                                 $varname = $wgContLang->getVariantname( $code );
1146                                 if( $varname == 'disable' )
1147                                         continue;
1148                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1149                         }
1150                 }
1151                 return $s;
1152         }
1153
1154         function bottomLinks() {
1155                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1156                 $sep = " |\n";
1157
1158                 $s = '';
1159                 if ( $wgOut->isArticleRelated() ) {
1160                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1161                         if ( $wgUser->isLoggedIn() ) {
1162                                 $s .= $sep . $this->watchThisPage();
1163                         }
1164                         $s .= $sep . $this->talkLink()
1165                           . $sep . $this->historyLink()
1166                           . $sep . $this->whatLinksHere()
1167                           . $sep . $this->watchPageLinksLink();
1168
1169                         if ($wgUseTrackbacks)
1170                                 $s .= $sep . $this->trackbackLink();
1171
1172                         if ( $wgTitle->getNamespace() == NS_USER
1173                             || $wgTitle->getNamespace() == NS_USER_TALK )
1174
1175                         {
1176                                 $id=User::idFromName($wgTitle->getText());
1177                                 $ip=User::isIP($wgTitle->getText());
1178
1179                                 if($id || $ip) { # both anons and non-anons have contri list
1180                                         $s .= $sep . $this->userContribsLink();
1181                                 }
1182                                 if( $this->showEmailUser( $id ) ) {
1183                                         $s .= $sep . $this->emailUserLink();
1184                                 }
1185                         }
1186                         if ( $wgTitle->getArticleId() ) {
1187                                 $s .= "\n<br />";
1188                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1189                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1190                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1191                         }
1192                         $s .= "<br />\n" . $this->otherLanguages();
1193                 }
1194                 return $s;
1195         }
1196
1197         function pageStats() {
1198                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1199                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1200
1201                 $oldid = $wgRequest->getVal( 'oldid' );
1202                 $diff = $wgRequest->getVal( 'diff' );
1203                 if ( ! $wgOut->isArticle() ) { return ''; }
1204                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1205                 if ( 0 == $wgArticle->getID() ) { return ''; }
1206
1207                 $s = '';
1208                 if ( !$wgDisableCounters ) {
1209                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1210                         if ( $count ) {
1211                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1212                         }
1213                 }
1214
1215                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1216                     require_once('Credits.php');
1217                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1218                 } else {
1219                     $s .= $this->lastModified();
1220                 }
1221
1222                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1223                         $dbr = wfGetDB( DB_SLAVE );
1224                         $watchlist = $dbr->tableName( 'watchlist' );
1225                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1226                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1227                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1228                         $res = $dbr->query( $sql, 'Skin::pageStats');
1229                         $x = $dbr->fetchObject( $res );
1230
1231                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1232                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1233                         );
1234                 }
1235
1236                 return $s . ' ' .  $this->getCopyright();
1237         }
1238
1239         function getCopyright( $type = 'detect' ) {
1240                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1241
1242                 if ( $type == 'detect' ) {
1243                         $oldid = $wgRequest->getVal( 'oldid' );
1244                         $diff = $wgRequest->getVal( 'diff' );
1245
1246                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1247                                 $type = 'history';
1248                         } else {
1249                                 $type = 'normal';
1250                         }
1251                 }
1252
1253                 if ( $type == 'history' ) {
1254                         $msg = 'history_copyright';
1255                 } else {
1256                         $msg = 'copyright';
1257                 }
1258
1259                 $out = '';
1260                 if( $wgRightsPage ) {
1261                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1262                 } elseif( $wgRightsUrl ) {
1263                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1264                 } else {
1265                         # Give up now
1266                         return $out;
1267                 }
1268                 $out .= wfMsgForContent( $msg, $link );
1269                 return $out;
1270         }
1271
1272         function getCopyrightIcon() {
1273                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1274                 $out = '';
1275                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1276                         $out = $wgCopyrightIcon;
1277                 } else if ( $wgRightsIcon ) {
1278                         $icon = htmlspecialchars( $wgRightsIcon );
1279                         if ( $wgRightsUrl ) {
1280                                 $url = htmlspecialchars( $wgRightsUrl );
1281                                 $out .= '<a href="'.$url.'">';
1282                         }
1283                         $text = htmlspecialchars( $wgRightsText );
1284                         $out .= "<img src=\"$icon\" alt='$text' />";
1285                         if ( $wgRightsUrl ) {
1286                                 $out .= '</a>';
1287                         }
1288                 }
1289                 return $out;
1290         }
1291
1292         function getPoweredBy() {
1293                 global $wgStylePath;
1294                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1295                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1296                 return $img;
1297         }
1298
1299         function lastModified() {
1300                 global $wgLang, $wgArticle;
1301                 if( $this->mRevisionId ) {
1302                         $timestamp = Revision::getTimestampFromId( $this->mRevisionId, $wgArticle->getId() );
1303                 } else {
1304                         $timestamp = $wgArticle->getTimestamp();
1305                 }
1306                 if ( $timestamp ) {
1307                         $d = $wgLang->date( $timestamp, true );
1308                         $t = $wgLang->time( $timestamp, true );
1309                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1310                 } else {
1311                         $s = '';
1312                 }
1313                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1314                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1315                 }
1316                 return $s;
1317         }
1318
1319         function logoText( $align = '' ) {
1320                 if ( '' != $align ) { $a = " align='{$align}'"; }
1321                 else { $a = ''; }
1322
1323                 $mp = wfMsg( 'mainpage' );
1324                 $mptitle = Title::newMainPage();
1325                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1326
1327                 $logourl = $this->getLogo();
1328                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1329                 return $s;
1330         }
1331
1332         /**
1333          * show a drop-down box of special pages
1334          */
1335         function specialPagesList() {
1336                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1337                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1338                 foreach ( $pages as $name => $page ) {
1339                         $pages[$name] = $page->getDescription();
1340                 }
1341
1342                 $go = wfMsg( 'go' );
1343                 $sp = wfMsg( 'specialpages' );
1344                 $spp = $wgContLang->specialPage( 'Specialpages' );
1345
1346                 $s = '<form id="specialpages" method="get" class="inline" ' .
1347                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1348                 $s .= "<select name=\"wpDropdown\">\n";
1349                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1350
1351
1352                 foreach ( $pages as $name => $desc ) {
1353                         $p = $wgContLang->specialPage( $name );
1354                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1355                 }
1356                 $s .= "</select>\n";
1357                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1358                 $s .= "</form>\n";
1359                 return $s;
1360         }
1361
1362         function mainPageLink() {
1363                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1364                 return $s;
1365         }
1366
1367         function copyrightLink() {
1368                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1369                   wfMsg( 'copyrightpagename' ) );
1370                 return $s;
1371         }
1372
1373         private function footerLink ( $desc, $page ) {
1374                 // if the link description has been set to "-" in the default language,
1375                 if ( wfMsgForContent( $desc )  == '-') {
1376                         // then it is disabled, for all languages.
1377                         return '';
1378                 } else {
1379                         // Otherwise, we display the link for the user, described in their
1380                         // language (which may or may not be the same as the default language),
1381                         // but we make the link target be the one site-wide page.
1382                         return $this->makeKnownLink( wfMsgForContent( $page ),
1383                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1384                 }
1385         }
1386
1387         function privacyLink() {
1388                 return $this->footerLink( 'privacy', 'privacypage' );
1389         }
1390
1391         function aboutLink() {
1392                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1393         }
1394
1395         function disclaimerLink() {
1396                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1397         }
1398
1399         function editThisPage() {
1400                 global $wgOut, $wgTitle;
1401
1402                 if ( !$wgOut->isArticleRelated() ) {
1403                         $s = wfMsg( 'protectedpage' );
1404                 } else {
1405                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1406                                 $t = wfMsg( 'editthispage' );
1407                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1408                                 $t = wfMsg( 'create-this-page' );
1409                         } else {
1410                                 $t = wfMsg( 'viewsource' );
1411                         }
1412
1413                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1414                 }
1415                 return $s;
1416         }
1417
1418         /**
1419          * Return URL options for the 'edit page' link.
1420          * This may include an 'oldid' specifier, if the current page view is such.
1421          *
1422          * @return string
1423          * @private
1424          */
1425         function editUrlOptions() {
1426                 global $wgArticle;
1427
1428                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1429                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1430                 } else {
1431                         return "action=edit";
1432                 }
1433         }
1434
1435         function deleteThisPage() {
1436                 global $wgUser, $wgTitle, $wgRequest;
1437
1438                 $diff = $wgRequest->getVal( 'diff' );
1439                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1440                         $t = wfMsg( 'deletethispage' );
1441
1442                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1443                 } else {
1444                         $s = '';
1445                 }
1446                 return $s;
1447         }
1448
1449         function protectThisPage() {
1450                 global $wgUser, $wgTitle, $wgRequest;
1451
1452                 $diff = $wgRequest->getVal( 'diff' );
1453                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1454                         if ( $wgTitle->isProtected() ) {
1455                                 $t = wfMsg( 'unprotectthispage' );
1456                                 $q = 'action=unprotect';
1457                         } else {
1458                                 $t = wfMsg( 'protectthispage' );
1459                                 $q = 'action=protect';
1460                         }
1461                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1462                 } else {
1463                         $s = '';
1464                 }
1465                 return $s;
1466         }
1467
1468         function watchThisPage() {
1469                 global $wgOut, $wgTitle;
1470                 ++$this->mWatchLinkNum;
1471
1472                 if ( $wgOut->isArticleRelated() ) {
1473                         if ( $wgTitle->userIsWatching() ) {
1474                                 $t = wfMsg( 'unwatchthispage' );
1475                                 $q = 'action=unwatch';
1476                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1477                         } else {
1478                                 $t = wfMsg( 'watchthispage' );
1479                                 $q = 'action=watch';
1480                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1481                         }
1482                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1483                 } else {
1484                         $s = wfMsg( 'notanarticle' );
1485                 }
1486                 return $s;
1487         }
1488
1489         function moveThisPage() {
1490                 global $wgTitle;
1491
1492                 if ( $wgTitle->userCan( 'move' ) ) {
1493                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1494                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1495                 } else {
1496                         // no message if page is protected - would be redundant
1497                         return '';
1498                 }
1499         }
1500
1501         function historyLink() {
1502                 global $wgTitle;
1503
1504                 return $this->makeKnownLinkObj( $wgTitle,
1505                   wfMsg( 'history' ), 'action=history' );
1506         }
1507
1508         function whatLinksHere() {
1509                 global $wgTitle;
1510
1511                 return $this->makeKnownLinkObj(
1512                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1513                         wfMsg( 'whatlinkshere' ) );
1514         }
1515
1516         function userContribsLink() {
1517                 global $wgTitle;
1518
1519                 return $this->makeKnownLinkObj(
1520                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1521                         wfMsg( 'contributions' ) );
1522         }
1523
1524         function showEmailUser( $id ) {
1525                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1526                 return $wgEnableEmail &&
1527                        $wgEnableUserEmail &&
1528                        $wgUser->isLoggedIn() && # show only to signed in users
1529                        0 != $id; # we can only email to non-anons ..
1530 #                      '' != $id->getEmail() && # who must have an email address stored ..
1531 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1532 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1533         }
1534
1535         function emailUserLink() {
1536                 global $wgTitle;
1537
1538                 return $this->makeKnownLinkObj(
1539                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1540                         wfMsg( 'emailuser' ) );
1541         }
1542
1543         function watchPageLinksLink() {
1544                 global $wgOut, $wgTitle;
1545
1546                 if ( ! $wgOut->isArticleRelated() ) {
1547                         return '(' . wfMsg( 'notanarticle' ) . ')';
1548                 } else {
1549                         return $this->makeKnownLinkObj(
1550                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1551                                 wfMsg( 'recentchangeslinked' ) );
1552                 }
1553         }
1554
1555         function trackbackLink() {
1556                 global $wgTitle;
1557
1558                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1559                         . wfMsg('trackbacklink') . "</a>";
1560         }
1561
1562         function otherLanguages() {
1563                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1564
1565                 if ( $wgHideInterlanguageLinks ) {
1566                         return '';
1567                 }
1568
1569                 $a = $wgOut->getLanguageLinks();
1570                 if ( 0 == count( $a ) ) {
1571                         return '';
1572                 }
1573
1574                 $s = wfMsg( 'otherlanguages' ) . ': ';
1575                 $first = true;
1576                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1577                 foreach( $a as $l ) {
1578                         if ( ! $first ) { $s .= ' | '; }
1579                         $first = false;
1580
1581                         $nt = Title::newFromText( $l );
1582                         $url = $nt->escapeFullURL();
1583                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1584
1585                         if ( '' == $text ) { $text = $l; }
1586                         $style = $this->getExternalLinkAttributes( $l, $text );
1587                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1588                 }
1589                 if($wgContLang->isRTL()) $s .= '</span>';
1590                 return $s;
1591         }
1592
1593         function bugReportsLink() {
1594                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1595                   wfMsg( 'bugreports' ) );
1596                 return $s;
1597         }
1598
1599         function talkLink() {
1600                 global $wgTitle;
1601
1602                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1603                         # No discussion links for special pages
1604                         return '';
1605                 }
1606
1607                 if( $wgTitle->isTalkPage() ) {
1608                         $link = $wgTitle->getSubjectPage();
1609                         switch( $link->getNamespace() ) {
1610                                 case NS_MAIN:
1611                                         $text = wfMsg( 'articlepage' );
1612                                         break;
1613                                 case NS_USER:
1614                                         $text = wfMsg( 'userpage' );
1615                                         break;
1616                                 case NS_PROJECT:
1617                                         $text = wfMsg( 'projectpage' );
1618                                         break;
1619                                 case NS_IMAGE:
1620                                         $text = wfMsg( 'imagepage' );
1621                                         break;
1622                                 case NS_MEDIAWIKI:
1623                                         $text = wfMsg( 'mediawikipage' );
1624                                         break;
1625                                 case NS_TEMPLATE:
1626                                         $text = wfMsg( 'templatepage' );
1627                                         break;
1628                                 case NS_HELP:
1629                                         $text = wfMsg( 'viewhelppage' );
1630                                         break;
1631                                 case NS_CATEGORY:
1632                                         $text = wfMsg( 'categorypage' );
1633                                         break;
1634                                 default:
1635                                         $text = wfMsg( 'articlepage' );
1636                         }
1637                 } else {
1638                         $link = $wgTitle->getTalkPage();
1639                         $text = wfMsg( 'talkpage' );
1640                 }
1641
1642                 $s = $this->makeLinkObj( $link, $text );
1643
1644                 return $s;
1645         }
1646
1647         function commentLink() {
1648                 global $wgTitle, $wgOut;
1649
1650                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1651                         return '';
1652                 }
1653
1654                 # __NEWSECTIONLINK___ changes behaviour here
1655                 # If it's present, the link points to this page, otherwise
1656                 # it points to the talk page
1657                 if( $wgTitle->isTalkPage() ) {
1658                         $title = $wgTitle;
1659                 } elseif( $wgOut->showNewSectionLink() ) {
1660                         $title = $wgTitle;
1661                 } else {
1662                         $title = $wgTitle->getTalkPage();
1663                 }
1664
1665                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1666         }
1667
1668         /* these are used extensively in SkinTemplate, but also some other places */
1669         static function makeMainPageUrl( $urlaction = '' ) {
1670                 $title = Title::newMainPage();
1671                 self::checkTitle( $title, '' );
1672                 return $title->getLocalURL( $urlaction );
1673         }
1674
1675         static function makeSpecialUrl( $name, $urlaction = '' ) {
1676                 $title = SpecialPage::getTitleFor( $name );
1677                 return $title->getLocalURL( $urlaction );
1678         }
1679
1680         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1681                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1682                 return $title->getLocalURL( $urlaction );
1683         }
1684
1685         static function makeI18nUrl( $name, $urlaction = '' ) {
1686                 $title = Title::newFromText( wfMsgForContent( $name ) );
1687                 self::checkTitle( $title, $name );
1688                 return $title->getLocalURL( $urlaction );
1689         }
1690
1691         static function makeUrl( $name, $urlaction = '' ) {
1692                 $title = Title::newFromText( $name );
1693                 self::checkTitle( $title, $name );
1694                 return $title->getLocalURL( $urlaction );
1695         }
1696
1697         # If url string starts with http, consider as external URL, else
1698         # internal
1699         static function makeInternalOrExternalUrl( $name ) {
1700                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1701                         return $name;
1702                 } else {
1703                         return self::makeUrl( $name );
1704                 }
1705         }
1706
1707         # this can be passed the NS number as defined in Language.php
1708         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1709                 $title = Title::makeTitleSafe( $namespace, $name );
1710                 self::checkTitle( $title, $name );
1711                 return $title->getLocalURL( $urlaction );
1712         }
1713
1714         /* these return an array with the 'href' and boolean 'exists' */
1715         static function makeUrlDetails( $name, $urlaction = '' ) {
1716                 $title = Title::newFromText( $name );
1717                 self::checkTitle( $title, $name );
1718                 return array(
1719                         'href' => $title->getLocalURL( $urlaction ),
1720                         'exists' => $title->getArticleID() != 0 ? true : false
1721                 );
1722         }
1723
1724         /**
1725          * Make URL details where the article exists (or at least it's convenient to think so)
1726          */
1727         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1728                 $title = Title::newFromText( $name );
1729                 self::checkTitle( $title, $name );
1730                 return array(
1731                         'href' => $title->getLocalURL( $urlaction ),
1732                         'exists' => true
1733                 );
1734         }
1735
1736         # make sure we have some title to operate on
1737         static function checkTitle( &$title, $name ) {
1738                 if( !is_object( $title ) ) {
1739                         $title = Title::newFromText( $name );
1740                         if( !is_object( $title ) ) {
1741                                 $title = Title::newFromText( '--error: link target missing--' );
1742                         }
1743                 }
1744         }
1745
1746         /**
1747          * Build an array that represents the sidebar(s), the navigation bar among them
1748          *
1749          * @return array
1750          */
1751         function buildSidebar() {
1752                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1753                 global $wgLang;
1754                 wfProfileIn( __METHOD__ );
1755
1756                 $key = wfMemcKey( 'sidebar', $wgLang->getCode() );
1757
1758                 if ( $wgEnableSidebarCache ) {
1759                         $cachedsidebar = $parserMemc->get( $key );
1760                         if ( $cachedsidebar ) {
1761                                 wfProfileOut( __METHOD__ );
1762                                 return $cachedsidebar;
1763                         }
1764                 }
1765
1766                 $bar = array();
1767                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1768                 $heading = '';
1769                 foreach ($lines as $line) {
1770                         if (strpos($line, '*') !== 0)
1771                                 continue;
1772                         if (strpos($line, '**') !== 0) {
1773                                 $line = trim($line, '* ');
1774                                 $heading = $line;
1775                                 if( !array_key_exists($heading, $bar) ) $bar[$heading] = array();
1776                         } else {
1777                                 if (strpos($line, '|') !== false) { // sanity check
1778                                         $line = array_map('trim', explode( '|' , trim($line, '* '), 2 ) );
1779                                         $link = wfMsgForContent( $line[0] );
1780                                         if ($link == '-')
1781                                                 continue;
1782                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1783                                                 $text = $line[1];
1784                                         if (wfEmptyMsg($line[0], $link))
1785                                                 $link = $line[0];
1786
1787                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1788                                                 $href = $link;
1789                                         } else {
1790                                                 $title = Title::newFromText( $link );
1791                                                 if ( $title ) {
1792                                                         $title = $title->fixSpecialName();
1793                                                         $href = $title->getLocalURL();
1794                                                 } else {
1795                                                         $href = 'INVALID-TITLE';
1796                                                 }
1797                                         }
1798
1799                                         $bar[$heading][] = array(
1800                                                 'text' => $text,
1801                                                 'href' => $href,
1802                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1803                                                 'active' => false
1804                                         );
1805                                 } else { continue; }
1806                         }
1807                 }
1808                 wfRunHooks('SkinBuildSidebar', array($this, &$bar));
1809                 if ( $wgEnableSidebarCache ) $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1810                 wfProfileOut( __METHOD__ );
1811                 return $bar;
1812         }
1813 }