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