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 $lastdate, $lastline;
  20         var $rc_cache ; # Cache for Enhanced Recent Changes
  21         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  22         var $rcMoveIndex;
  23         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  24         /**#@-*/
  25         protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
  26         protected $skinname = 'standard' ;
  27
  28         /** Constructor, call parent constructor */
  29         function Skin() { parent::__construct(); }
  30
  31         /**
  32          * Fetch the set of available skins.
  33          * @return array of strings
  34          * @static
  35          */
  36         static function getSkinNames() {
  37                 global $wgValidSkinNames;
  38                 static $skinsInitialised = false;
  39                 if ( !$skinsInitialised ) {
  40                         # Get a list of available skins
  41                         # Build using the regular expression '^(.*).php$'
  42                         # Array keys are all lower case, array value keep the case used by filename
  43                         #
  44                         wfProfileIn( __METHOD__ . '-init' );
  45                         global $wgStyleDirectory;
  46                         $skinDir = dir( $wgStyleDirectory );
  47
  48                         # while code from www.php.net
  49                         while (false !== ($file = $skinDir->read())) {
  50                                 // Skip non-PHP files, hidden files, and '.dep' includes
  51                                 $matches = array();
  52                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  53                                         $aSkin = $matches[1];
  54                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  55                                 }
  56                         }
  57                         $skinDir->close();
  58                         $skinsInitialised = true;
  59                         wfProfileOut( __METHOD__ . '-init' );
  60                 }
  61                 return $wgValidSkinNames;
  62         }
  63
  64         /**
  65          * Normalize a skin preference value to a form that can be loaded.
  66          * If a skin can't be found, it will fall back to the configured
  67          * default (or the old 'Classic' skin if that's broken).
  68          * @param string $key
  69          * @return string
  70          * @static
  71          */
  72         static function normalizeKey( $key ) {
  73                 global $wgDefaultSkin;
  74                 $skinNames = Skin::getSkinNames();
  75
  76                 if( $key == '' ) {
  77                         // Don't return the default immediately;
  78                         // in a misconfiguration we need to fall back.
  79                         $key = $wgDefaultSkin;
  80                 }
  81
  82                 if( isset( $skinNames[$key] ) ) {
  83                         return $key;
  84                 }
  85
  86                 // Older versions of the software used a numeric setting
  87                 // in the user preferences.
  88                 $fallback = array(
  89                         0 => $wgDefaultSkin,
  90                         1 => 'nostalgia',
  91                         2 => 'cologneblue' );
  92
  93                 if( isset( $fallback[$key] ) ){
  94                         $key = $fallback[$key];
  95                 }
  96
  97                 if( isset( $skinNames[$key] ) ) {
  98                         return $key;
  99                 } else {
 100                         // The old built-in skin
 101                         return 'standard';
 102                 }
 103         }
 104
 105         /**
 106          * Factory method for loading a skin of a given type
 107          * @param string $key 'monobook', 'standard', etc
 108          * @return Skin
 109          * @static
 110          */
 111         static function &newFromKey( $key ) {
 112                 global $wgStyleDirectory;
 113
 114                 $key = Skin::normalizeKey( $key );
 115
 116                 $skinNames = Skin::getSkinNames();
 117                 $skinName = $skinNames[$key];
 118
 119                 # Grab the skin class and initialise it.
 120                 // Preload base classes to work around APC/PHP5 bug
 121                 $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 122                 if( file_exists( $deps ) ) include_once( $deps );
 123                 require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 124
 125                 # Check if we got if not failback to default skin
 126                 $className = 'Skin'.$skinName;
 127                 if( !class_exists( $className ) ) {
 128                         # DO NOT die if the class isn't found. This breaks maintenance
 129                         # scripts and can cause a user account to be unrecoverable
 130                         # except by SQL manipulation if a previously valid skin name
 131                         # is no longer valid.
 132                         wfDebug( "Skin class does not exist: $className\n" );
 133                         $className = 'SkinStandard';
 134                         require_once( "{$wgStyleDirectory}/Standard.php" );
 135                 }
 136                 $skin = new $className;
 137                 return $skin;
 138         }
 139
 140         /** @return string path to the skin stylesheet */
 141         function getStylesheet() {
 142                 return 'common/wikistandard.css';
 143         }
 144
 145         /** @return string skin name */
 146         public function getSkinName() {
 147                 return $this->skinname;
 148         }
 149
 150         function qbSetting() {
 151                 global $wgOut, $wgUser;
 152
 153                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 154                 $q = $wgUser->getOption( 'quickbar', 0 );
 155                 return $q;
 156         }
 157
 158         function initPage( &$out ) {
 159                 global $wgFavicon, $wgScriptPath, $wgSitename, $wgLanguageCode, $wgLanguageNames;
 160
 161                 $fname = 'Skin::initPage';
 162                 wfProfileIn( $fname );
 163
 164                 if( false !== $wgFavicon ) {
 165                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 166                 }
 167
 168                 # OpenSearch description link
 169                 $out->addLink( array(
 170                         'rel' => 'search',
 171                         'type' => 'application/opensearchdescription+xml',
 172                         'href' => "$wgScriptPath/opensearch_desc.php",
 173                         'title' => "$wgSitename ({$wgLanguageNames[$wgLanguageCode]})",
 174                 ));
 175
 176                 $this->addMetadataLinks($out);
 177
 178                 $this->mRevisionId = $out->mRevisionId;
 179
 180                 $this->preloadExistence();
 181
 182                 wfProfileOut( $fname );
 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 $wgStylePath, $wgUser;
 297                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 298                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 299                 global $wgBreakFrames, $wgRequest;
 300
 301                 $ns = $wgTitle->getNamespace();
 302                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 303
 304                 $vars = array(
 305                         'skin' => $data['skinname'],
 306                         'stylepath' => $wgStylePath,
 307                         'wgArticlePath' => $wgArticlePath,
 308                         'wgScriptPath' => $wgScriptPath,
 309                         'wgServer' => $wgServer,
 310                         'wgCanonicalNamespace' => $nsname,
 311                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
 312                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 313                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 314                         'wgTitle' => $wgTitle->getText(),
 315                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 316                         'wgArticleId' => $wgTitle->getArticleId(),
 317                         'wgIsArticle' => $wgOut->isArticle(),
 318                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 319                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 320                         'wgUserLanguage' => $wgLang->getCode(),
 321                         'wgContentLanguage' => $wgContLang->getCode(),
 322                         'wgBreakFrames' => $wgBreakFrames,
 323                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 324                 );
 325
 326                 global $wgLivePreview;
 327                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 328                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 329                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 330                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 331                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 332                 }
 333
 334                 return self::makeVariablesScript( $vars );
 335         }
 336
 337         function getHeadScripts( $allowUserJs ) {
 338                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 339
 340                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 341
 342                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 343                 global $wgUseSiteJs;
 344                 if ($wgUseSiteJs) {
 345                         if ($wgUser->isLoggedIn()) {
 346                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 347                         } else {
 348                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 349                         }
 350                 }
 351                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 352                         $userpage = $wgUser->getUserPage();
 353                         $userjs = htmlspecialchars( self::makeUrl(
 354                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 355                                 'action=raw&ctype='.$wgJsMimeType));
 356                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 357                 }
 358                 return $r;
 359         }
 360
 361         /**
 362          * To make it harder for someone to slip a user a fake
 363          * user-JavaScript or user-CSS preview, a random token
 364          * is associated with the login session. If it's not
 365          * passed back with the preview request, we won't render
 366          * the code.
 367          *
 368          * @param string $action
 369          * @return bool
 370          * @private
 371          */
 372         function userCanPreview( $action ) {
 373                 global $wgTitle, $wgRequest, $wgUser;
 374
 375                 if( $action != 'submit' )
 376                         return false;
 377                 if( !$wgRequest->wasPosted() )
 378                         return false;
 379                 if( !$wgTitle->userCanEditCssJsSubpage() )
 380                         return false;
 381                 return $wgUser->matchEditToken(
 382                         $wgRequest->getVal( 'wpEditToken' ) );
 383         }
 384
 385         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 386         function getUserStylesheet() {
 387                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 388                 $sheet = $this->getStylesheet();
 389                 $s = "@import \"$wgStylePath/common/common.css?$wgStyleVersion\";\n";
 390                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 391                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 392
 393                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 394                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 395                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 396
 397                 $s .= $this->doGetUserStyles();
 398                 return $s."\n";
 399         }
 400
 401         /**
 402          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 403          * *not* return any custom user JS from user subpages.  Huh?
 404          *
 405          * @return string
 406          */
 407         function getUserJs() {
 408                 wfProfileIn( __METHOD__ );
 409
 410                 global $wgStylePath;
 411                 $s = "/* generated javascript */\n";
 412                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 413                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 414                 $commonJs = wfMsgForContent('common.js');
 415                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 416                         $s .= $commonJs;
 417                 }
 418
 419                 global $wgUseAjax, $wgAjaxWatch;
 420                 if($wgUseAjax && $wgAjaxWatch) {
 421                         $s .= "
 422
 423 /* AJAX (un)watch (see /skins/common/ajaxwatch.js) */
 424 var wgAjaxWatch = {
 425         watchMsg: '".       str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watch', array() ) )."',
 426         unwatchMsg: '".     str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatch', array() ) )."',
 427         watchingMsg: '".    str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watching', array() ) )."',
 428         unwatchingMsg: '".  str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatching', array() ) )."'
 429 };";
 430                 }
 431
 432                 wfProfileOut( __METHOD__ );
 433                 return $s;
 434         }
 435
 436         /**
 437          * Return html code that include User stylesheets
 438          */
 439         function getUserStyles() {
 440                 $s = "<style type='text/css'>\n";
 441                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 442                 $s .= $this->getUserStylesheet();
 443                 $s .= "/*]]>*/ /* */\n";
 444                 $s .= "</style>\n";
 445                 return $s;
 446         }
 447
 448         /**
 449          * Some styles that are set by user through the user settings interface.
 450          */
 451         function doGetUserStyles() {
 452                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 453
 454                 $s = '';
 455
 456                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 457                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 458                                 $s .= $wgRequest->getText('wpTextbox1');
 459                         } else {
 460                                 $userpage = $wgUser->getUserPage();
 461                                 $s.= '@import "'.self::makeUrl(
 462                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 463                                         'action=raw&ctype=text/css').'";'."\n";
 464                         }
 465                 }
 466
 467                 return $s . $this->reallyDoGetUserStyles();
 468         }
 469
 470         function reallyDoGetUserStyles() {
 471                 global $wgUser;
 472                 $s = '';
 473                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 474                         $underline = $undopt ? 'underline' : 'none';
 475                         $s .= "a { text-decoration: $underline; }\n";
 476                 }
 477                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 478                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 479                 } else {
 480                         $s .= <<<END
 481 a.new, #quickbar a.new,
 482 a.stub, #quickbar a.stub {
 483         color: inherit;
 484         text-decoration: inherit;
 485 }
 486 a.new:after, #quickbar a.new:after {
 487         content: "?";
 488         color: #CC2200;
 489         text-decoration: $underline;
 490 }
 491 a.stub:after, #quickbar a.stub:after {
 492         content: "!";
 493         color: #772233;
 494         text-decoration: $underline;
 495 }
 496 END;
 497                 }
 498                 if( $wgUser->getOption( 'justify' ) ) {
 499                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 500                 }
 501                 if( !$wgUser->getOption( 'showtoc' ) ) {
 502                         $s .= "#toc { display: none; }\n";
 503                 }
 504                 if( !$wgUser->getOption( 'editsection' ) ) {
 505                         $s .= ".editsection { display: none; }\n";
 506                 }
 507                 return $s;
 508         }
 509
 510         function getBodyOptions() {
 511                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 512
 513                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 514
 515                 if ( 0 != $wgTitle->getNamespace() ) {
 516                         $a = array( 'bgcolor' => '#ffffec' );
 517                 }
 518                 else $a = array( 'bgcolor' => '#FFFFFF' );
 519                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 520                   $wgTitle->userCan( 'edit' ) ) {
 521                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 522                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 523                         $a += array ('ondblclick' => $s);
 524
 525                 }
 526                 $a['onload'] = $wgOut->getOnloadHandler();
 527                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 528                         if( $a['onload'] != '' ) {
 529                                 $a['onload'] .= ';';
 530                         }
 531                         $a['onload'] .= 'setupRightClickEdit()';
 532                 }
 533                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 534                 ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 535                 return $a;
 536         }
 537
 538         /**
 539          * URL to the logo
 540          */
 541         function getLogo() {
 542                 global $wgLogo;
 543                 return $wgLogo;
 544         }
 545
 546         /**
 547          * This will be called immediately after the <body> tag.  Split into
 548          * two functions to make it easier to subclass.
 549          */
 550         function beforeContent() {
 551                 return $this->doBeforeContent();
 552         }
 553
 554         function doBeforeContent() {
 555                 global $wgContLang;
 556                 $fname = 'Skin::doBeforeContent';
 557                 wfProfileIn( $fname );
 558
 559                 $s = '';
 560                 $qb = $this->qbSetting();
 561
 562                 if( $langlinks = $this->otherLanguages() ) {
 563                         $rows = 2;
 564                         $borderhack = '';
 565                 } else {
 566                         $rows = 1;
 567                         $langlinks = false;
 568                         $borderhack = 'class="top"';
 569                 }
 570
 571                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 572                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 573
 574                 $shove = ($qb != 0);
 575                 $left = ($qb == 1 || $qb == 3);
 576                 if($wgContLang->isRTL()) $left = !$left;
 577
 578                 if ( !$shove ) {
 579                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 580                           $this->logoText() . '</td>';
 581                 } elseif( $left ) {
 582                         $s .= $this->getQuickbarCompensator( $rows );
 583                 }
 584                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 585                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 586
 587                 $s .= $this->topLinks() ;
 588                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 589
 590                 $r = $wgContLang->isRTL() ? "left" : "right";
 591                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 592                 $s .= $this->nameAndLogin();
 593                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 594
 595                 if ( $langlinks ) {
 596                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 597                 }
 598
 599                 if ( $shove && !$left ) { # Right
 600                         $s .= $this->getQuickbarCompensator( $rows );
 601                 }
 602                 $s .= "</tr>\n</table>\n</div>\n";
 603                 $s .= "\n<div id='article'>\n";
 604
 605                 $notice = wfGetSiteNotice();
 606                 if( $notice ) {
 607                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 608                 }
 609                 $s .= $this->pageTitle();
 610                 $s .= $this->pageSubtitle() ;
 611                 $s .= $this->getCategories();
 612                 wfProfileOut( $fname );
 613                 return $s;
 614         }
 615
 616
 617         function getCategoryLinks () {
 618                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 619                 global $wgContLang;
 620
 621                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 622
 623                 # Separator
 624                 $sep = wfMsgHtml( 'catseparator' );
 625
 626                 // Use Unicode bidi embedding override characters,
 627                 // to make sure links don't smash each other up in ugly ways.
 628                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 629                 $embed = "<span dir='$dir'>";
 630                 $pop = '</span>';
 631                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 632
 633                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 634                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 635                         . ': ' . $t;
 636
 637                 # optional 'dmoz-like' category browser. Will be shown under the list
 638                 # of categories an article belong to
 639                 if($wgUseCategoryBrowser) {
 640                         $s .= '<br /><hr />';
 641
 642                         # get a big array of the parents tree
 643                         $parenttree = $wgTitle->getParentCategoryTree();
 644                         # Skin object passed by reference cause it can not be
 645                         # accessed under the method subfunction drawCategoryBrowser
 646                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 647                         # Clean out bogus first entry and sort them
 648                         unset($tempout[0]);
 649                         asort($tempout);
 650                         # Output one per line
 651                         $s .= implode("<br />\n", $tempout);
 652                 }
 653
 654                 return $s;
 655         }
 656
 657         /** Render the array as a serie of links.
 658          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 659          * @param &skin Object: skin passed by reference
 660          * @return String separated by &gt;, terminate with "\n"
 661          */
 662         function drawCategoryBrowser($tree, &$skin) {
 663                 $return = '';
 664                 foreach ($tree as $element => $parent) {
 665                         if (empty($parent)) {
 666                                 # element start a new list
 667                                 $return .= "\n";
 668                         } else {
 669                                 # grab the others elements
 670                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 671                         }
 672                         # add our current element to the list
 673                         $eltitle = Title::NewFromText($element);
 674                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 675                 }
 676                 return $return;
 677         }
 678
 679         function getCategories() {
 680                 $catlinks=$this->getCategoryLinks();
 681                 if(!empty($catlinks)) {
 682                         return "<p class='catlinks'>{$catlinks}</p>";
 683                 }
 684         }
 685
 686         function getQuickbarCompensator( $rows = 1 ) {
 687                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 688         }
 689
 690         /**
 691          * This gets called shortly before the \</body\> tag.
 692          * @return String HTML to be put before \</body\>
 693          */
 694         function afterContent() {
 695                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 696                 return $printfooter . $this->doAfterContent();
 697         }
 698
 699         /**
 700          * This gets called shortly before the \</body\> tag.
 701          * @return String HTML-wrapped JS code to be put before \</body\>
 702          */
 703         function bottomScripts() {
 704                 global $wgJsMimeType;
 705                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 706         }
 707
 708         /** @return string Retrievied from HTML text */
 709         function printSource() {
 710                 global $wgTitle;
 711                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 712                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 713         }
 714
 715         function printFooter() {
 716                 return "<p>" .  $this->printSource() .
 717                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 718         }
 719
 720         /** overloaded by derived classes */
 721         function doAfterContent() { }
 722
 723         function pageTitleLinks() {
 724                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 725
 726                 $oldid = $wgRequest->getVal( 'oldid' );
 727                 $diff = $wgRequest->getVal( 'diff' );
 728                 $action = $wgRequest->getText( 'action' );
 729
 730                 $s = $this->printableLink();
 731                 $disclaimer = $this->disclaimerLink(); # may be empty
 732                 if( $disclaimer ) {
 733                         $s .= ' | ' . $disclaimer;
 734                 }
 735                 $privacy = $this->privacyLink(); # may be empty too
 736                 if( $privacy ) {
 737                         $s .= ' | ' . $privacy;
 738                 }
 739
 740                 if ( $wgOut->isArticleRelated() ) {
 741                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 742                                 $name = $wgTitle->getDBkey();
 743                                 $image = new Image( $wgTitle );
 744                                 if( $image->exists() ) {
 745                                         $link = htmlspecialchars( $image->getURL() );
 746                                         $style = $this->getInternalLinkAttributes( $link, $name );
 747                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 748                                 }
 749                         }
 750                 }
 751                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 752                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 753                                         wfMsg( 'currentrev' ) );
 754                 }
 755
 756                 if ( $wgUser->getNewtalk() ) {
 757                         # do not show "You have new messages" text when we are viewing our
 758                         # own talk page
 759                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 760                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 761                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 762                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 763                                 # disable caching
 764                                 $wgOut->setSquidMaxage(0);
 765                                 $wgOut->enableClientCache(false);
 766                         }
 767                 }
 768
 769                 $undelete = $this->getUndeleteLink();
 770                 if( !empty( $undelete ) ) {
 771                         $s .= ' | '.$undelete;
 772                 }
 773                 return $s;
 774         }
 775
 776         function getUndeleteLink() {
 777                 global $wgUser, $wgTitle, $wgContLang, $action;
 778                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 779                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 780                         ($n = $wgTitle->isDeleted() ) )
 781                 {
 782                         if ( $wgUser->isAllowed( 'delete' ) ) {
 783                                 $msg = 'thisisdeleted';
 784                         } else {
 785                                 $msg = 'viewdeleted';
 786                         }
 787                         return wfMsg( $msg,
 788                                 $this->makeKnownLinkObj(
 789                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 790                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 791                 }
 792                 return '';
 793         }
 794
 795         function printableLink() {
 796                 global $wgOut, $wgFeedClasses, $wgRequest;
 797
 798                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 799
 800                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 801                 if( $wgOut->isSyndicated() ) {
 802                         foreach( $wgFeedClasses as $format => $class ) {
 803                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 804                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 805                         }
 806                 }
 807                 return $s;
 808         }
 809
 810         function pageTitle() {
 811                 global $wgOut;
 812                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 813                 return $s;
 814         }
 815
 816         function pageSubtitle() {
 817                 global $wgOut;
 818
 819                 $sub = $wgOut->getSubtitle();
 820                 if ( '' == $sub ) {
 821                         global $wgExtraSubtitle;
 822                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 823                 }
 824                 $subpages = $this->subPageSubtitle();
 825                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 826                 $s = "<p class='subtitle'>{$sub}</p>\n";
 827                 return $s;
 828         }
 829
 830         function subPageSubtitle() {
 831                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 832                 $subpages = '';
 833                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 834                         $ptext=$wgTitle->getPrefixedText();
 835                         if(preg_match('/\//',$ptext)) {
 836                                 $links = explode('/',$ptext);
 837                                 $c = 0;
 838                                 $growinglink = '';
 839                                 foreach($links as $link) {
 840                                         $c++;
 841                                         if ($c<count($links)) {
 842                                                 $growinglink .= $link;
 843                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 844                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 845                                                 if ($c>1) {
 846                                                         $subpages .= ' | ';
 847                                                 } else  {
 848                                                         $subpages .= '&lt; ';
 849                                                 }
 850                                                 $subpages .= $getlink;
 851                                                 $growinglink .= '/';
 852                                         }
 853                                 }
 854                         }
 855                 }
 856                 return $subpages;
 857         }
 858
 859         /**
 860          * Returns true if the IP should be shown in the header
 861          */
 862         function showIPinHeader() {
 863                 global $wgShowIPinHeader;
 864                 return $wgShowIPinHeader && session_id() != '';
 865         }
 866
 867         function nameAndLogin() {
 868                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 869
 870                 $lo = $wgContLang->specialPage( 'Userlogout' );
 871
 872                 $s = '';
 873                 if ( $wgUser->isAnon() ) {
 874                         if( $this->showIPinHeader() ) {
 875                                 $n = wfGetIP();
 876
 877                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 878                                   $wgLang->getNsText( NS_TALK ) );
 879
 880                                 $s .= $n . ' ('.$tl.')';
 881                         } else {
 882                                 $s .= wfMsg('notloggedin');
 883                         }
 884
 885                         $rt = $wgTitle->getPrefixedURL();
 886                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 887                                 $q = '';
 888                         } else { $q = "returnto={$rt}"; }
 889
 890                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 891                                 SpecialPage::getTitleFor( 'Userlogin' ),
 892                                 wfMsg( 'login' ), $q );
 893                 } else {
 894                         $n = $wgUser->getName();
 895                         $rt = $wgTitle->getPrefixedURL();
 896                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 897                           $wgLang->getNsText( NS_TALK ) );
 898
 899                         $tl = " ({$tl})";
 900
 901                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 902                           $n ) . "{$tl}<br />" .
 903                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 904                           "returnto={$rt}" ) . ' | ' .
 905                           $this->specialLink( 'preferences' );
 906                 }
 907                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 908                   wfMsg( 'help' ) );
 909
 910                 return $s;
 911         }
 912
 913         function getSearchLink() {
 914                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 915                 return $searchPage->getLocalURL();
 916         }
 917
 918         function escapeSearchLink() {
 919                 return htmlspecialchars( $this->getSearchLink() );
 920         }
 921
 922         function searchForm() {
 923                 global $wgRequest;
 924                 $search = $wgRequest->getText( 'search' );
 925
 926                 $s = '<form name="search" class="inline" method="post" action="'
 927                   . $this->escapeSearchLink() . "\">\n"
 928                   . '<input type="text" name="search" size="19" value="'
 929                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 930                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 931                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 932
 933                 return $s;
 934         }
 935
 936         function topLinks() {
 937                 global $wgOut;
 938                 $sep = " |\n";
 939
 940                 $s = $this->mainPageLink() . $sep
 941                   . $this->specialLink( 'recentchanges' );
 942
 943                 if ( $wgOut->isArticleRelated() ) {
 944                         $s .=  $sep . $this->editThisPage()
 945                           . $sep . $this->historyLink();
 946                 }
 947                 # Many people don't like this dropdown box
 948                 #$s .= $sep . $this->specialPagesList();
 949
 950                 $s .= $this->variantLinks();
 951
 952                 $s .= $this->extensionTabLinks();
 953
 954                 return $s;
 955         }
 956
 957         /**
 958          * Compatibility for extensions adding functionality through tabs.
 959          * Eventually these old skins should be replaced with SkinTemplate-based
 960          * versions, sigh...
 961          * @return string
 962          */
 963         function extensionTabLinks() {
 964                 $tabs = array();
 965                 $s = '';
 966                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 967                 foreach( $tabs as $tab ) {
 968                         $s .= ' | ' . Xml::element( 'a',
 969                                 array( 'href' => $tab['href'] ),
 970                                 $tab['text'] );
 971                 }
 972                 return $s;
 973         }
 974
 975         /**
 976          * Language/charset variant links for classic-style skins
 977          * @return string
 978          */
 979         function variantLinks() {
 980                 $s = '';
 981                 /* show links to different language variants */
 982                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 983                 $variants = $wgContLang->getVariants();
 984                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 985                         foreach( $variants as $code ) {
 986                                 $varname = $wgContLang->getVariantname( $code );
 987                                 if( $varname == 'disable' )
 988                                         continue;
 989                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 990                         }
 991                 }
 992                 return $s;
 993         }
 994
 995         function bottomLinks() {
 996                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 997                 $sep = " |\n";
 998
 999                 $s = '';
1000                 if ( $wgOut->isArticleRelated() ) {
1001                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1002                         if ( $wgUser->isLoggedIn() ) {
1003                                 $s .= $sep . $this->watchThisPage();
1004                         }
1005                         $s .= $sep . $this->talkLink()
1006                           . $sep . $this->historyLink()
1007                           . $sep . $this->whatLinksHere()
1008                           . $sep . $this->watchPageLinksLink();
1009
1010                         if ($wgUseTrackbacks)
1011                                 $s .= $sep . $this->trackbackLink();
1012
1013                         if ( $wgTitle->getNamespace() == NS_USER
1014                             || $wgTitle->getNamespace() == NS_USER_TALK )
1015
1016                         {
1017                                 $id=User::idFromName($wgTitle->getText());
1018                                 $ip=User::isIP($wgTitle->getText());
1019
1020                                 if($id || $ip) { # both anons and non-anons have contri list
1021                                         $s .= $sep . $this->userContribsLink();
1022                                 }
1023                                 if( $this->showEmailUser( $id ) ) {
1024                                         $s .= $sep . $this->emailUserLink();
1025                                 }
1026                         }
1027                         if ( $wgTitle->getArticleId() ) {
1028                                 $s .= "\n<br />";
1029                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1030                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1031                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1032                         }
1033                         $s .= "<br />\n" . $this->otherLanguages();
1034                 }
1035                 return $s;
1036         }
1037
1038         function pageStats() {
1039                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1040                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1041
1042                 $oldid = $wgRequest->getVal( 'oldid' );
1043                 $diff = $wgRequest->getVal( 'diff' );
1044                 if ( ! $wgOut->isArticle() ) { return ''; }
1045                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1046                 if ( 0 == $wgArticle->getID() ) { return ''; }
1047
1048                 $s = '';
1049                 if ( !$wgDisableCounters ) {
1050                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1051                         if ( $count ) {
1052                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1053                         }
1054                 }
1055
1056                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1057                     require_once('Credits.php');
1058                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1059                 } else {
1060                     $s .= $this->lastModified();
1061                 }
1062
1063                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1064                         $dbr = wfGetDB( DB_SLAVE );
1065                         $watchlist = $dbr->tableName( 'watchlist' );
1066                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1067                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1068                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1069                         $res = $dbr->query( $sql, 'Skin::pageStats');
1070                         $x = $dbr->fetchObject( $res );
1071                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1072                 }
1073
1074                 return $s . ' ' .  $this->getCopyright();
1075         }
1076
1077         function getCopyright( $type = 'detect' ) {
1078                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1079
1080                 if ( $type == 'detect' ) {
1081                         $oldid = $wgRequest->getVal( 'oldid' );
1082                         $diff = $wgRequest->getVal( 'diff' );
1083
1084                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1085                                 $type = 'history';
1086                         } else {
1087                                 $type = 'normal';
1088                         }
1089                 }
1090
1091                 if ( $type == 'history' ) {
1092                         $msg = 'history_copyright';
1093                 } else {
1094                         $msg = 'copyright';
1095                 }
1096
1097                 $out = '';
1098                 if( $wgRightsPage ) {
1099                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1100                 } elseif( $wgRightsUrl ) {
1101                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1102                 } else {
1103                         # Give up now
1104                         return $out;
1105                 }
1106                 $out .= wfMsgForContent( $msg, $link );
1107                 return $out;
1108         }
1109
1110         function getCopyrightIcon() {
1111                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1112                 $out = '';
1113                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1114                         $out = $wgCopyrightIcon;
1115                 } else if ( $wgRightsIcon ) {
1116                         $icon = htmlspecialchars( $wgRightsIcon );
1117                         if ( $wgRightsUrl ) {
1118                                 $url = htmlspecialchars( $wgRightsUrl );
1119                                 $out .= '<a href="'.$url.'">';
1120                         }
1121                         $text = htmlspecialchars( $wgRightsText );
1122                         $out .= "<img src=\"$icon\" alt='$text' />";
1123                         if ( $wgRightsUrl ) {
1124                                 $out .= '</a>';
1125                         }
1126                 }
1127                 return $out;
1128         }
1129
1130         function getPoweredBy() {
1131                 global $wgStylePath;
1132                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1133                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1134                 return $img;
1135         }
1136
1137         function lastModified() {
1138                 global $wgLang, $wgArticle, $wgLoadBalancer;
1139
1140                 $timestamp = $wgArticle->getTimestamp();
1141                 if ( $timestamp ) {
1142                         $d = $wgLang->date( $timestamp, true );
1143                         $t = $wgLang->time( $timestamp, true );
1144                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1145                 } else {
1146                         $s = '';
1147                 }
1148                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1149                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1150                 }
1151                 return $s;
1152         }
1153
1154         function logoText( $align = '' ) {
1155                 if ( '' != $align ) { $a = " align='{$align}'"; }
1156                 else { $a = ''; }
1157
1158                 $mp = wfMsg( 'mainpage' );
1159                 $mptitle = Title::newMainPage();
1160                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1161
1162                 $logourl = $this->getLogo();
1163                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1164                 return $s;
1165         }
1166
1167         /**
1168          * show a drop-down box of special pages
1169          */
1170         function specialPagesList() {
1171                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1172                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1173                 foreach ( $pages as $name => $page ) {
1174                         $pages[$name] = $page->getDescription();
1175                 }
1176
1177                 $go = wfMsg( 'go' );
1178                 $sp = wfMsg( 'specialpages' );
1179                 $spp = $wgContLang->specialPage( 'Specialpages' );
1180
1181                 $s = '<form id="specialpages" method="get" class="inline" ' .
1182                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1183                 $s .= "<select name=\"wpDropdown\">\n";
1184                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1185
1186
1187                 foreach ( $pages as $name => $desc ) {
1188                         $p = $wgContLang->specialPage( $name );
1189                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1190                 }
1191                 $s .= "</select>\n";
1192                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1193                 $s .= "</form>\n";
1194                 return $s;
1195         }
1196
1197         function mainPageLink() {
1198                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1199                 return $s;
1200         }
1201
1202         function copyrightLink() {
1203                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1204                   wfMsg( 'copyrightpagename' ) );
1205                 return $s;
1206         }
1207
1208         private function footerLink ( $desc, $page ) {
1209                 // if the link description has been set to "-" in the default language,
1210                 if ( wfMsgForContent( $desc )  == '-') {
1211                         // then it is disabled, for all languages.
1212                         return '';
1213                 } else {
1214                         // Otherwise, we display the link for the user, described in their
1215                         // language (which may or may not be the same as the default language),
1216                         // but we make the link target be the one site-wide page.
1217                         return $this->makeKnownLink( wfMsgForContent( $page ), wfMsg( $desc ) );
1218                 }
1219         }
1220
1221         function privacyLink() {
1222                 return $this->footerLink( 'privacy', 'privacypage' );
1223         }
1224
1225         function aboutLink() {
1226                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1227         }
1228
1229         function disclaimerLink() {
1230                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1231         }
1232
1233         function editThisPage() {
1234                 global $wgOut, $wgTitle;
1235
1236                 if ( ! $wgOut->isArticleRelated() ) {
1237                         $s = wfMsg( 'protectedpage' );
1238                 } else {
1239                         if ( $wgTitle->userCan( 'edit' ) ) {
1240                                 $t = wfMsg( 'editthispage' );
1241                         } else {
1242                                 $t = wfMsg( 'viewsource' );
1243                         }
1244
1245                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1246                 }
1247                 return $s;
1248         }
1249
1250         /**
1251          * Return URL options for the 'edit page' link.
1252          * This may include an 'oldid' specifier, if the current page view is such.
1253          *
1254          * @return string
1255          * @private
1256          */
1257         function editUrlOptions() {
1258                 global $wgArticle;
1259
1260                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1261                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1262                 } else {
1263                         return "action=edit";
1264                 }
1265         }
1266
1267         function deleteThisPage() {
1268                 global $wgUser, $wgTitle, $wgRequest;
1269
1270                 $diff = $wgRequest->getVal( 'diff' );
1271                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1272                         $t = wfMsg( 'deletethispage' );
1273
1274                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1275                 } else {
1276                         $s = '';
1277                 }
1278                 return $s;
1279         }
1280
1281         function protectThisPage() {
1282                 global $wgUser, $wgTitle, $wgRequest;
1283
1284                 $diff = $wgRequest->getVal( 'diff' );
1285                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1286                         if ( $wgTitle->isProtected() ) {
1287                                 $t = wfMsg( 'unprotectthispage' );
1288                                 $q = 'action=unprotect';
1289                         } else {
1290                                 $t = wfMsg( 'protectthispage' );
1291                                 $q = 'action=protect';
1292                         }
1293                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1294                 } else {
1295                         $s = '';
1296                 }
1297                 return $s;
1298         }
1299
1300         function watchThisPage() {
1301                 global $wgOut, $wgTitle;
1302                 ++$this->mWatchLinkNum;
1303
1304                 if ( $wgOut->isArticleRelated() ) {
1305                         if ( $wgTitle->userIsWatching() ) {
1306                                 $t = wfMsg( 'unwatchthispage' );
1307                                 $q = 'action=unwatch';
1308                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1309                         } else {
1310                                 $t = wfMsg( 'watchthispage' );
1311                                 $q = 'action=watch';
1312                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1313                         }
1314                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1315                 } else {
1316                         $s = wfMsg( 'notanarticle' );
1317                 }
1318                 return $s;
1319         }
1320
1321         function moveThisPage() {
1322                 global $wgTitle;
1323
1324                 if ( $wgTitle->userCan( 'move' ) ) {
1325                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1326                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1327                 } else {
1328                         // no message if page is protected - would be redundant
1329                         return '';
1330                 }
1331         }
1332
1333         function historyLink() {
1334                 global $wgTitle;
1335
1336                 return $this->makeKnownLinkObj( $wgTitle,
1337                   wfMsg( 'history' ), 'action=history' );
1338         }
1339
1340         function whatLinksHere() {
1341                 global $wgTitle;
1342
1343                 return $this->makeKnownLinkObj(
1344                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1345                         wfMsg( 'whatlinkshere' ) );
1346         }
1347
1348         function userContribsLink() {
1349                 global $wgTitle;
1350
1351                 return $this->makeKnownLinkObj(
1352                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1353                         wfMsg( 'contributions' ) );
1354         }
1355
1356         function showEmailUser( $id ) {
1357                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1358                 return $wgEnableEmail &&
1359                        $wgEnableUserEmail &&
1360                        $wgUser->isLoggedIn() && # show only to signed in users
1361                        0 != $id; # we can only email to non-anons ..
1362 #                      '' != $id->getEmail() && # who must have an email address stored ..
1363 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1364 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1365         }
1366
1367         function emailUserLink() {
1368                 global $wgTitle;
1369
1370                 return $this->makeKnownLinkObj(
1371                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1372                         wfMsg( 'emailuser' ) );
1373         }
1374
1375         function watchPageLinksLink() {
1376                 global $wgOut, $wgTitle;
1377
1378                 if ( ! $wgOut->isArticleRelated() ) {
1379                         return '(' . wfMsg( 'notanarticle' ) . ')';
1380                 } else {
1381                         return $this->makeKnownLinkObj(
1382                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1383                                 wfMsg( 'recentchangeslinked' ) );
1384                 }
1385         }
1386
1387         function trackbackLink() {
1388                 global $wgTitle;
1389
1390                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1391                         . wfMsg('trackbacklink') . "</a>";
1392         }
1393
1394         function otherLanguages() {
1395                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1396
1397                 if ( $wgHideInterlanguageLinks ) {
1398                         return '';
1399                 }
1400
1401                 $a = $wgOut->getLanguageLinks();
1402                 if ( 0 == count( $a ) ) {
1403                         return '';
1404                 }
1405
1406                 $s = wfMsg( 'otherlanguages' ) . ': ';
1407                 $first = true;
1408                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1409                 foreach( $a as $l ) {
1410                         if ( ! $first ) { $s .= ' | '; }
1411                         $first = false;
1412
1413                         $nt = Title::newFromText( $l );
1414                         $url = $nt->escapeFullURL();
1415                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1416
1417                         if ( '' == $text ) { $text = $l; }
1418                         $style = $this->getExternalLinkAttributes( $l, $text );
1419                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1420                 }
1421                 if($wgContLang->isRTL()) $s .= '</span>';
1422                 return $s;
1423         }
1424
1425         function bugReportsLink() {
1426                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1427                   wfMsg( 'bugreports' ) );
1428                 return $s;
1429         }
1430
1431         function talkLink() {
1432                 global $wgTitle;
1433
1434                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1435                         # No discussion links for special pages
1436                         return '';
1437                 }
1438
1439                 if( $wgTitle->isTalkPage() ) {
1440                         $link = $wgTitle->getSubjectPage();
1441                         switch( $link->getNamespace() ) {
1442                                 case NS_MAIN:
1443                                         $text = wfMsg( 'articlepage' );
1444                                         break;
1445                                 case NS_USER:
1446                                         $text = wfMsg( 'userpage' );
1447                                         break;
1448                                 case NS_PROJECT:
1449                                         $text = wfMsg( 'projectpage' );
1450                                         break;
1451                                 case NS_IMAGE:
1452                                         $text = wfMsg( 'imagepage' );
1453                                         break;
1454                                 case NS_MEDIAWIKI:
1455                                         $text = wfMsg( 'mediawikipage' );
1456                                         break;
1457                                 case NS_TEMPLATE:
1458                                         $text = wfMsg( 'templatepage' );
1459                                         break;
1460                                 case NS_HELP:
1461                                         $text = wfMsg( 'viewhelppage' );
1462                                         break;
1463                                 case NS_CATEGORY:
1464                                         $text = wfMsg( 'categorypage' );
1465                                         break;
1466                                 default:
1467                                         $text = wfMsg( 'articlepage' );
1468                         }
1469                 } else {
1470                         $link = $wgTitle->getTalkPage();
1471                         $text = wfMsg( 'talkpage' );
1472                 }
1473
1474                 $s = $this->makeLinkObj( $link, $text );
1475
1476                 return $s;
1477         }
1478
1479         function commentLink() {
1480                 global $wgTitle, $wgOut;
1481
1482                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1483                         return '';
1484                 }
1485
1486                 # __NEWSECTIONLINK___ changes behaviour here
1487                 # If it's present, the link points to this page, otherwise
1488                 # it points to the talk page
1489                 if( $wgTitle->isTalkPage() ) {
1490                         $title =& $wgTitle;
1491                 } elseif( $wgOut->showNewSectionLink() ) {
1492                         $title =& $wgTitle;
1493                 } else {
1494                         $title =& $wgTitle->getTalkPage();
1495                 }
1496
1497                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1498         }
1499
1500         /* these are used extensively in SkinTemplate, but also some other places */
1501         static function makeMainPageUrl( $urlaction = '' ) {
1502                 $title = Title::newMainPage();
1503                 self::checkTitle( $title, '' );
1504                 return $title->getLocalURL( $urlaction );
1505         }
1506
1507         static function makeSpecialUrl( $name, $urlaction = '' ) {
1508                 $title = SpecialPage::getTitleFor( $name );
1509                 return $title->getLocalURL( $urlaction );
1510         }
1511
1512         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1513                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1514                 return $title->getLocalURL( $urlaction );
1515         }
1516
1517         static function makeI18nUrl( $name, $urlaction = '' ) {
1518                 $title = Title::newFromText( wfMsgForContent( $name ) );
1519                 self::checkTitle( $title, $name );
1520                 return $title->getLocalURL( $urlaction );
1521         }
1522
1523         static function makeUrl( $name, $urlaction = '' ) {
1524                 $title = Title::newFromText( $name );
1525                 self::checkTitle( $title, $name );
1526                 return $title->getLocalURL( $urlaction );
1527         }
1528
1529         # If url string starts with http, consider as external URL, else
1530         # internal
1531         static function makeInternalOrExternalUrl( $name ) {
1532                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1533                         return $name;
1534                 } else {
1535                         return self::makeUrl( $name );
1536                 }
1537         }
1538
1539         # this can be passed the NS number as defined in Language.php
1540         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1541                 $title = Title::makeTitleSafe( $namespace, $name );
1542                 self::checkTitle( $title, $name );
1543                 return $title->getLocalURL( $urlaction );
1544         }
1545
1546         /* these return an array with the 'href' and boolean 'exists' */
1547         static function makeUrlDetails( $name, $urlaction = '' ) {
1548                 $title = Title::newFromText( $name );
1549                 self::checkTitle( $title, $name );
1550                 return array(
1551                         'href' => $title->getLocalURL( $urlaction ),
1552                         'exists' => $title->getArticleID() != 0 ? true : false
1553                 );
1554         }
1555
1556         /**
1557          * Make URL details where the article exists (or at least it's convenient to think so)
1558          */
1559         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1560                 $title = Title::newFromText( $name );
1561                 self::checkTitle( $title, $name );
1562                 return array(
1563                         'href' => $title->getLocalURL( $urlaction ),
1564                         'exists' => true
1565                 );
1566         }
1567
1568         # make sure we have some title to operate on
1569         static function checkTitle( &$title, $name ) {
1570                 if( !is_object( $title ) ) {
1571                         $title = Title::newFromText( $name );
1572                         if( !is_object( $title ) ) {
1573                                 $title = Title::newFromText( '--error: link target missing--' );
1574                         }
1575                 }
1576         }
1577
1578         /**
1579          * Build an array that represents the sidebar(s), the navigation bar among them
1580          *
1581          * @return array
1582          * @private
1583          */
1584         function buildSidebar() {
1585                 global $parserMemc, $wgEnableSidebarCache;
1586                 global $wgLang, $wgContLang;
1587
1588                 $fname = 'SkinTemplate::buildSidebar';
1589
1590                 wfProfileIn( $fname );
1591
1592                 $key = wfMemcKey( 'sidebar' );
1593                 $cacheSidebar = $wgEnableSidebarCache &&
1594                         ($wgLang->getCode() == $wgContLang->getCode());
1595
1596                 if ($cacheSidebar) {
1597                         $cachedsidebar = $parserMemc->get( $key );
1598                         if ($cachedsidebar!="") {
1599                                 wfProfileOut($fname);
1600                                 return $cachedsidebar;
1601                         }
1602                 }
1603
1604                 $bar = array();
1605                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1606                 foreach ($lines as $line) {
1607                         if (strpos($line, '*') !== 0)
1608                                 continue;
1609                         if (strpos($line, '**') !== 0) {
1610                                 $line = trim($line, '* ');
1611                                 $heading = $line;
1612                         } else {
1613                                 if (strpos($line, '|') !== false) { // sanity check
1614                                         $line = explode( '|' , trim($line, '* '), 2 );
1615                                         $link = wfMsgForContent( $line[0] );
1616                                         if ($link == '-')
1617                                                 continue;
1618                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1619                                                 $text = $line[1];
1620                                         if (wfEmptyMsg($line[0], $link))
1621                                                 $link = $line[0];
1622
1623                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1624                                                 $href = $link;
1625                                         } else {
1626                                                 $title = Title::newFromText( $link );
1627                                                 if ( $title ) {
1628                                                         $title = $title->fixSpecialName();
1629                                                         $href = $title->getLocalURL();
1630                                                 } else {
1631                                                         $href = 'INVALID-TITLE';
1632                                                 }
1633                                         }
1634
1635                                         $bar[$heading][] = array(
1636                                                 'text' => $text,
1637                                                 'href' => $href,
1638                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1639                                                 'active' => false
1640                                         );
1641                                 } else { continue; }
1642                         }
1643                 }
1644                 if ($cacheSidebar)
1645                         $parserMemc->set( $key, $bar, 86400 );
1646                 wfProfileOut( $fname );
1647                 return $bar;
1648         }
1649 }
1650 ?>