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