includes/Skin.php

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