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 $wgScript, $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                         'wgScript' => $wgScript,
 310                         'wgServer' => $wgServer,
 311                         'wgCanonicalNamespace' => $nsname,
 312                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
 313                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 314                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 315                         'wgTitle' => $wgTitle->getText(),
 316                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 317                         'wgRestrictionEdit' => $wgTitle->getRestrictions( 'edit' ),
 318                         'wgRestrictionMove' => $wgTitle->getRestrictions( 'move' ),
 319                         'wgArticleId' => $wgTitle->getArticleId(),
 320                         'wgIsArticle' => $wgOut->isArticle(),
 321                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 322                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 323                         'wgUserLanguage' => $wgLang->getCode(),
 324                         'wgContentLanguage' => $wgContLang->getCode(),
 325                         'wgBreakFrames' => $wgBreakFrames,
 326                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 327                 );
 328
 329                 global $wgLivePreview;
 330                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 331                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 332                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 333                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 334                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 335                 }
 336
 337                 return self::makeVariablesScript( $vars );
 338         }
 339
 340         function getHeadScripts( $allowUserJs ) {
 341                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 342
 343                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 344
 345                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 346                 global $wgUseSiteJs;
 347                 if ($wgUseSiteJs) {
 348                         if ($wgUser->isLoggedIn()) {
 349                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 350                         } else {
 351                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 352                         }
 353                 }
 354                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 355                         $userpage = $wgUser->getUserPage();
 356                         $userjs = htmlspecialchars( self::makeUrl(
 357                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 358                                 'action=raw&ctype='.$wgJsMimeType));
 359                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 360                 }
 361                 return $r;
 362         }
 363
 364         /**
 365          * To make it harder for someone to slip a user a fake
 366          * user-JavaScript or user-CSS preview, a random token
 367          * is associated with the login session. If it's not
 368          * passed back with the preview request, we won't render
 369          * the code.
 370          *
 371          * @param string $action
 372          * @return bool
 373          * @private
 374          */
 375         function userCanPreview( $action ) {
 376                 global $wgTitle, $wgRequest, $wgUser;
 377
 378                 if( $action != 'submit' )
 379                         return false;
 380                 if( !$wgRequest->wasPosted() )
 381                         return false;
 382                 if( !$wgTitle->userCanEditCssJsSubpage() )
 383                         return false;
 384                 return $wgUser->matchEditToken(
 385                         $wgRequest->getVal( 'wpEditToken' ) );
 386         }
 387
 388         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 389         function getUserStylesheet() {
 390                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 391                 $sheet = $this->getStylesheet();
 392                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 393                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 394                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 395                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 396
 397                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 398                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 399                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 400
 401                 $s .= $this->doGetUserStyles();
 402                 return $s."\n";
 403         }
 404
 405         /**
 406          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 407          * *not* return any custom user JS from user subpages.  Huh?
 408          *
 409          * @return string
 410          */
 411         function getUserJs() {
 412                 wfProfileIn( __METHOD__ );
 413
 414                 global $wgStylePath;
 415                 $s = "/* generated javascript */\n";
 416                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 417                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 418                 $commonJs = wfMsgForContent('common.js');
 419                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 420                         $s .= $commonJs;
 421                 }
 422
 423                 global $wgUseAjax, $wgAjaxWatch;
 424                 if($wgUseAjax && $wgAjaxWatch) {
 425                         $s .= "
 426
 427 /* AJAX (un)watch (see /skins/common/ajaxwatch.js) */
 428 var wgAjaxWatch = {
 429         watchMsg: '".       str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watch', array() ) )."',
 430         unwatchMsg: '".     str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatch', array() ) )."',
 431         watchingMsg: '".    str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watching', array() ) )."',
 432         unwatchingMsg: '".  str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatching', array() ) )."'
 433 };";
 434                 }
 435
 436                 wfProfileOut( __METHOD__ );
 437                 return $s;
 438         }
 439
 440         /**
 441          * Return html code that include User stylesheets
 442          */
 443         function getUserStyles() {
 444                 $s = "<style type='text/css'>\n";
 445                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 446                 $s .= $this->getUserStylesheet();
 447                 $s .= "/*]]>*/ /* */\n";
 448                 $s .= "</style>\n";
 449                 return $s;
 450         }
 451
 452         /**
 453          * Some styles that are set by user through the user settings interface.
 454          */
 455         function doGetUserStyles() {
 456                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 457
 458                 $s = '';
 459
 460                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 461                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 462                                 $s .= $wgRequest->getText('wpTextbox1');
 463                         } else {
 464                                 $userpage = $wgUser->getUserPage();
 465                                 $s.= '@import "'.self::makeUrl(
 466                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 467                                         'action=raw&ctype=text/css').'";'."\n";
 468                         }
 469                 }
 470
 471                 return $s . $this->reallyDoGetUserStyles();
 472         }
 473
 474         function reallyDoGetUserStyles() {
 475                 global $wgUser;
 476                 $s = '';
 477                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 478                         $underline = $undopt ? 'underline' : 'none';
 479                         $s .= "a { text-decoration: $underline; }\n";
 480                 }
 481                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 482                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 483                 } else {
 484                         $s .= <<<END
 485 a.new, #quickbar a.new,
 486 a.stub, #quickbar a.stub {
 487         color: inherit;
 488         text-decoration: inherit;
 489 }
 490 a.new:after, #quickbar a.new:after {
 491         content: "?";
 492         color: #CC2200;
 493         text-decoration: $underline;
 494 }
 495 a.stub:after, #quickbar a.stub:after {
 496         content: "!";
 497         color: #772233;
 498         text-decoration: $underline;
 499 }
 500 END;
 501                 }
 502                 if( $wgUser->getOption( 'justify' ) ) {
 503                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 504                 }
 505                 if( !$wgUser->getOption( 'showtoc' ) ) {
 506                         $s .= "#toc { display: none; }\n";
 507                 }
 508                 if( !$wgUser->getOption( 'editsection' ) ) {
 509                         $s .= ".editsection { display: none; }\n";
 510                 }
 511                 return $s;
 512         }
 513
 514         function getBodyOptions() {
 515                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 516
 517                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 518
 519                 if ( 0 != $wgTitle->getNamespace() ) {
 520                         $a = array( 'bgcolor' => '#ffffec' );
 521                 }
 522                 else $a = array( 'bgcolor' => '#FFFFFF' );
 523                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 524                   $wgTitle->userCan( 'edit' ) ) {
 525                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 526                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 527                         $a += array ('ondblclick' => $s);
 528
 529                 }
 530                 $a['onload'] = $wgOut->getOnloadHandler();
 531                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 532                         if( $a['onload'] != '' ) {
 533                                 $a['onload'] .= ';';
 534                         }
 535                         $a['onload'] .= 'setupRightClickEdit()';
 536                 }
 537                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 538                 ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 539                 return $a;
 540         }
 541
 542         /**
 543          * URL to the logo
 544          */
 545         function getLogo() {
 546                 global $wgLogo;
 547                 return $wgLogo;
 548         }
 549
 550         /**
 551          * This will be called immediately after the <body> tag.  Split into
 552          * two functions to make it easier to subclass.
 553          */
 554         function beforeContent() {
 555                 return $this->doBeforeContent();
 556         }
 557
 558         function doBeforeContent() {
 559                 global $wgContLang;
 560                 $fname = 'Skin::doBeforeContent';
 561                 wfProfileIn( $fname );
 562
 563                 $s = '';
 564                 $qb = $this->qbSetting();
 565
 566                 if( $langlinks = $this->otherLanguages() ) {
 567                         $rows = 2;
 568                         $borderhack = '';
 569                 } else {
 570                         $rows = 1;
 571                         $langlinks = false;
 572                         $borderhack = 'class="top"';
 573                 }
 574
 575                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 576                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 577
 578                 $shove = ($qb != 0);
 579                 $left = ($qb == 1 || $qb == 3);
 580                 if($wgContLang->isRTL()) $left = !$left;
 581
 582                 if ( !$shove ) {
 583                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 584                           $this->logoText() . '</td>';
 585                 } elseif( $left ) {
 586                         $s .= $this->getQuickbarCompensator( $rows );
 587                 }
 588                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 589                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 590
 591                 $s .= $this->topLinks() ;
 592                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 593
 594                 $r = $wgContLang->isRTL() ? "left" : "right";
 595                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 596                 $s .= $this->nameAndLogin();
 597                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 598
 599                 if ( $langlinks ) {
 600                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 601                 }
 602
 603                 if ( $shove && !$left ) { # Right
 604                         $s .= $this->getQuickbarCompensator( $rows );
 605                 }
 606                 $s .= "</tr>\n</table>\n</div>\n";
 607                 $s .= "\n<div id='article'>\n";
 608
 609                 $notice = wfGetSiteNotice();
 610                 if( $notice ) {
 611                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 612                 }
 613                 $s .= $this->pageTitle();
 614                 $s .= $this->pageSubtitle() ;
 615                 $s .= $this->getCategories();
 616                 wfProfileOut( $fname );
 617                 return $s;
 618         }
 619
 620
 621         function getCategoryLinks () {
 622                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 623                 global $wgContLang;
 624
 625                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 626
 627                 # Separator
 628                 $sep = wfMsgHtml( 'catseparator' );
 629
 630                 // Use Unicode bidi embedding override characters,
 631                 // to make sure links don't smash each other up in ugly ways.
 632                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 633                 $embed = "<span dir='$dir'>";
 634                 $pop = '</span>';
 635                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 636
 637                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 638                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 639                         . ': ' . $t;
 640
 641                 # optional 'dmoz-like' category browser. Will be shown under the list
 642                 # of categories an article belong to
 643                 if($wgUseCategoryBrowser) {
 644                         $s .= '<br /><hr />';
 645
 646                         # get a big array of the parents tree
 647                         $parenttree = $wgTitle->getParentCategoryTree();
 648                         # Skin object passed by reference cause it can not be
 649                         # accessed under the method subfunction drawCategoryBrowser
 650                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 651                         # Clean out bogus first entry and sort them
 652                         unset($tempout[0]);
 653                         asort($tempout);
 654                         # Output one per line
 655                         $s .= implode("<br />\n", $tempout);
 656                 }
 657
 658                 return $s;
 659         }
 660
 661         /** Render the array as a serie of links.
 662          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 663          * @param &skin Object: skin passed by reference
 664          * @return String separated by &gt;, terminate with "\n"
 665          */
 666         function drawCategoryBrowser($tree, &$skin) {
 667                 $return = '';
 668                 foreach ($tree as $element => $parent) {
 669                         if (empty($parent)) {
 670                                 # element start a new list
 671                                 $return .= "\n";
 672                         } else {
 673                                 # grab the others elements
 674                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 675                         }
 676                         # add our current element to the list
 677                         $eltitle = Title::NewFromText($element);
 678                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 679                 }
 680                 return $return;
 681         }
 682
 683         function getCategories() {
 684                 $catlinks=$this->getCategoryLinks();
 685                 if(!empty($catlinks)) {
 686                         return "<p class='catlinks'>{$catlinks}</p>";
 687                 }
 688         }
 689
 690         function getQuickbarCompensator( $rows = 1 ) {
 691                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 692         }
 693
 694         /**
 695          * This gets called shortly before the \</body\> tag.
 696          * @return String HTML to be put before \</body\>
 697          */
 698         function afterContent() {
 699                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 700                 return $printfooter . $this->doAfterContent();
 701         }
 702
 703         /**
 704          * This gets called shortly before the \</body\> tag.
 705          * @return String HTML-wrapped JS code to be put before \</body\>
 706          */
 707         function bottomScripts() {
 708                 global $wgJsMimeType;
 709                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 710         }
 711
 712         /** @return string Retrievied from HTML text */
 713         function printSource() {
 714                 global $wgTitle;
 715                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 716                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 717         }
 718
 719         function printFooter() {
 720                 return "<p>" .  $this->printSource() .
 721                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 722         }
 723
 724         /** overloaded by derived classes */
 725         function doAfterContent() { }
 726
 727         function pageTitleLinks() {
 728                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 729
 730                 $oldid = $wgRequest->getVal( 'oldid' );
 731                 $diff = $wgRequest->getVal( 'diff' );
 732                 $action = $wgRequest->getText( 'action' );
 733
 734                 $s = $this->printableLink();
 735                 $disclaimer = $this->disclaimerLink(); # may be empty
 736                 if( $disclaimer ) {
 737                         $s .= ' | ' . $disclaimer;
 738                 }
 739                 $privacy = $this->privacyLink(); # may be empty too
 740                 if( $privacy ) {
 741                         $s .= ' | ' . $privacy;
 742                 }
 743
 744                 if ( $wgOut->isArticleRelated() ) {
 745                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 746                                 $name = $wgTitle->getDBkey();
 747                                 $image = wfFindFile( $wgTitle );
 748                                 if( $image ) {
 749                                         $link = htmlspecialchars( $image->getURL() );
 750                                         $style = $this->getInternalLinkAttributes( $link, $name );
 751                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 752                                 }
 753                         }
 754                 }
 755                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 756                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 757                                         wfMsg( 'currentrev' ) );
 758                 }
 759
 760                 if ( $wgUser->getNewtalk() ) {
 761                         # do not show "You have new messages" text when we are viewing our
 762                         # own talk page
 763                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 764                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 765                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 766                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 767                                 # disable caching
 768                                 $wgOut->setSquidMaxage(0);
 769                                 $wgOut->enableClientCache(false);
 770                         }
 771                 }
 772
 773                 $undelete = $this->getUndeleteLink();
 774                 if( !empty( $undelete ) ) {
 775                         $s .= ' | '.$undelete;
 776                 }
 777                 return $s;
 778         }
 779
 780         function getUndeleteLink() {
 781                 global $wgUser, $wgTitle, $wgContLang, $action;
 782                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 783                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 784                         ($n = $wgTitle->isDeleted() ) )
 785                 {
 786                         if ( $wgUser->isAllowed( 'delete' ) ) {
 787                                 $msg = 'thisisdeleted';
 788                         } else {
 789                                 $msg = 'viewdeleted';
 790                         }
 791                         return wfMsg( $msg,
 792                                 $this->makeKnownLinkObj(
 793                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 794                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 795                 }
 796                 return '';
 797         }
 798
 799         function printableLink() {
 800                 global $wgOut, $wgFeedClasses, $wgRequest;
 801
 802                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 803
 804                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 805                 if( $wgOut->isSyndicated() ) {
 806                         foreach( $wgFeedClasses as $format => $class ) {
 807                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 808                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 809                         }
 810                 }
 811                 return $s;
 812         }
 813
 814         function pageTitle() {
 815                 global $wgOut;
 816                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 817                 return $s;
 818         }
 819
 820         function pageSubtitle() {
 821                 global $wgOut;
 822
 823                 $sub = $wgOut->getSubtitle();
 824                 if ( '' == $sub ) {
 825                         global $wgExtraSubtitle;
 826                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 827                 }
 828                 $subpages = $this->subPageSubtitle();
 829                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 830                 $s = "<p class='subtitle'>{$sub}</p>\n";
 831                 return $s;
 832         }
 833
 834         function subPageSubtitle() {
 835                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 836                 $subpages = '';
 837                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 838                         $ptext=$wgTitle->getPrefixedText();
 839                         if(preg_match('/\//',$ptext)) {
 840                                 $links = explode('/',$ptext);
 841                                 $c = 0;
 842                                 $growinglink = '';
 843                                 foreach($links as $link) {
 844                                         $c++;
 845                                         if ($c<count($links)) {
 846                                                 $growinglink .= $link;
 847                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 848                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 849                                                 if ($c>1) {
 850                                                         $subpages .= ' | ';
 851                                                 } else  {
 852                                                         $subpages .= '&lt; ';
 853                                                 }
 854                                                 $subpages .= $getlink;
 855                                                 $growinglink .= '/';
 856                                         }
 857                                 }
 858                         }
 859                 }
 860                 return $subpages;
 861         }
 862
 863         /**
 864          * Returns true if the IP should be shown in the header
 865          */
 866         function showIPinHeader() {
 867                 global $wgShowIPinHeader;
 868                 return $wgShowIPinHeader && session_id() != '';
 869         }
 870
 871         function nameAndLogin() {
 872                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 873
 874                 $lo = $wgContLang->specialPage( 'Userlogout' );
 875
 876                 $s = '';
 877                 if ( $wgUser->isAnon() ) {
 878                         if( $this->showIPinHeader() ) {
 879                                 $n = wfGetIP();
 880
 881                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 882                                   $wgLang->getNsText( NS_TALK ) );
 883
 884                                 $s .= $n . ' ('.$tl.')';
 885                         } else {
 886                                 $s .= wfMsg('notloggedin');
 887                         }
 888
 889                         $rt = $wgTitle->getPrefixedURL();
 890                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 891                                 $q = '';
 892                         } else { $q = "returnto={$rt}"; }
 893
 894                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 895                                 SpecialPage::getTitleFor( 'Userlogin' ),
 896                                 wfMsg( 'login' ), $q );
 897                 } else {
 898                         $n = $wgUser->getName();
 899                         $rt = $wgTitle->getPrefixedURL();
 900                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 901                           $wgLang->getNsText( NS_TALK ) );
 902
 903                         $tl = " ({$tl})";
 904
 905                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 906                           $n ) . "{$tl}<br />" .
 907                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 908                           "returnto={$rt}" ) . ' | ' .
 909                           $this->specialLink( 'preferences' );
 910                 }
 911                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 912                   wfMsg( 'help' ) );
 913
 914                 return $s;
 915         }
 916
 917         function getSearchLink() {
 918                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 919                 return $searchPage->getLocalURL();
 920         }
 921
 922         function escapeSearchLink() {
 923                 return htmlspecialchars( $this->getSearchLink() );
 924         }
 925
 926         function searchForm() {
 927                 global $wgRequest;
 928                 $search = $wgRequest->getText( 'search' );
 929
 930                 $s = '<form name="search" class="inline" method="post" action="'
 931                   . $this->escapeSearchLink() . "\">\n"
 932                   . '<input type="text" name="search" size="19" value="'
 933                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 934                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 935                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 936
 937                 return $s;
 938         }
 939
 940         function topLinks() {
 941                 global $wgOut;
 942                 $sep = " |\n";
 943
 944                 $s = $this->mainPageLink() . $sep
 945                   . $this->specialLink( 'recentchanges' );
 946
 947                 if ( $wgOut->isArticleRelated() ) {
 948                         $s .=  $sep . $this->editThisPage()
 949                           . $sep . $this->historyLink();
 950                 }
 951                 # Many people don't like this dropdown box
 952                 #$s .= $sep . $this->specialPagesList();
 953
 954                 $s .= $this->variantLinks();
 955
 956                 $s .= $this->extensionTabLinks();
 957
 958                 return $s;
 959         }
 960
 961         /**
 962          * Compatibility for extensions adding functionality through tabs.
 963          * Eventually these old skins should be replaced with SkinTemplate-based
 964          * versions, sigh...
 965          * @return string
 966          */
 967         function extensionTabLinks() {
 968                 $tabs = array();
 969                 $s = '';
 970                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 971                 foreach( $tabs as $tab ) {
 972                         $s .= ' | ' . Xml::element( 'a',
 973                                 array( 'href' => $tab['href'] ),
 974                                 $tab['text'] );
 975                 }
 976                 return $s;
 977         }
 978
 979         /**
 980          * Language/charset variant links for classic-style skins
 981          * @return string
 982          */
 983         function variantLinks() {
 984                 $s = '';
 985                 /* show links to different language variants */
 986                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 987                 $variants = $wgContLang->getVariants();
 988                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 989                         foreach( $variants as $code ) {
 990                                 $varname = $wgContLang->getVariantname( $code );
 991                                 if( $varname == 'disable' )
 992                                         continue;
 993                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 994                         }
 995                 }
 996                 return $s;
 997         }
 998
 999         function bottomLinks() {
1000                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1001                 $sep = " |\n";
1002
1003                 $s = '';
1004                 if ( $wgOut->isArticleRelated() ) {
1005                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1006                         if ( $wgUser->isLoggedIn() ) {
1007                                 $s .= $sep . $this->watchThisPage();
1008                         }
1009                         $s .= $sep . $this->talkLink()
1010                           . $sep . $this->historyLink()
1011                           . $sep . $this->whatLinksHere()
1012                           . $sep . $this->watchPageLinksLink();
1013
1014                         if ($wgUseTrackbacks)
1015                                 $s .= $sep . $this->trackbackLink();
1016
1017                         if ( $wgTitle->getNamespace() == NS_USER
1018                             || $wgTitle->getNamespace() == NS_USER_TALK )
1019
1020                         {
1021                                 $id=User::idFromName($wgTitle->getText());
1022                                 $ip=User::isIP($wgTitle->getText());
1023
1024                                 if($id || $ip) { # both anons and non-anons have contri list
1025                                         $s .= $sep . $this->userContribsLink();
1026                                 }
1027                                 if( $this->showEmailUser( $id ) ) {
1028                                         $s .= $sep . $this->emailUserLink();
1029                                 }
1030                         }
1031                         if ( $wgTitle->getArticleId() ) {
1032                                 $s .= "\n<br />";
1033                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1034                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1035                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1036                         }
1037                         $s .= "<br />\n" . $this->otherLanguages();
1038                 }
1039                 return $s;
1040         }
1041
1042         function pageStats() {
1043                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1044                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1045
1046                 $oldid = $wgRequest->getVal( 'oldid' );
1047                 $diff = $wgRequest->getVal( 'diff' );
1048                 if ( ! $wgOut->isArticle() ) { return ''; }
1049                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1050                 if ( 0 == $wgArticle->getID() ) { return ''; }
1051
1052                 $s = '';
1053                 if ( !$wgDisableCounters ) {
1054                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1055                         if ( $count ) {
1056                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1057                         }
1058                 }
1059
1060                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1061                     require_once('Credits.php');
1062                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1063                 } else {
1064                     $s .= $this->lastModified();
1065                 }
1066
1067                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1068                         $dbr = wfGetDB( DB_SLAVE );
1069                         $watchlist = $dbr->tableName( 'watchlist' );
1070                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1071                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1072                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1073                         $res = $dbr->query( $sql, 'Skin::pageStats');
1074                         $x = $dbr->fetchObject( $res );
1075                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1076                 }
1077
1078                 return $s . ' ' .  $this->getCopyright();
1079         }
1080
1081         function getCopyright( $type = 'detect' ) {
1082                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1083
1084                 if ( $type == 'detect' ) {
1085                         $oldid = $wgRequest->getVal( 'oldid' );
1086                         $diff = $wgRequest->getVal( 'diff' );
1087
1088                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1089                                 $type = 'history';
1090                         } else {
1091                                 $type = 'normal';
1092                         }
1093                 }
1094
1095                 if ( $type == 'history' ) {
1096                         $msg = 'history_copyright';
1097                 } else {
1098                         $msg = 'copyright';
1099                 }
1100
1101                 $out = '';
1102                 if( $wgRightsPage ) {
1103                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1104                 } elseif( $wgRightsUrl ) {
1105                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1106                 } else {
1107                         # Give up now
1108                         return $out;
1109                 }
1110                 $out .= wfMsgForContent( $msg, $link );
1111                 return $out;
1112         }
1113
1114         function getCopyrightIcon() {
1115                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1116                 $out = '';
1117                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1118                         $out = $wgCopyrightIcon;
1119                 } else if ( $wgRightsIcon ) {
1120                         $icon = htmlspecialchars( $wgRightsIcon );
1121                         if ( $wgRightsUrl ) {
1122                                 $url = htmlspecialchars( $wgRightsUrl );
1123                                 $out .= '<a href="'.$url.'">';
1124                         }
1125                         $text = htmlspecialchars( $wgRightsText );
1126                         $out .= "<img src=\"$icon\" alt='$text' />";
1127                         if ( $wgRightsUrl ) {
1128                                 $out .= '</a>';
1129                         }
1130                 }
1131                 return $out;
1132         }
1133
1134         function getPoweredBy() {
1135                 global $wgStylePath;
1136                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1137                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1138                 return $img;
1139         }
1140
1141         function lastModified() {
1142                 global $wgLang, $wgArticle, $wgLoadBalancer;
1143
1144                 $timestamp = $wgArticle->getTimestamp();
1145                 if ( $timestamp ) {
1146                         $d = $wgLang->date( $timestamp, true );
1147                         $t = $wgLang->time( $timestamp, true );
1148                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1149                 } else {
1150                         $s = '';
1151                 }
1152                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1153                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1154                 }
1155                 return $s;
1156         }
1157
1158         function logoText( $align = '' ) {
1159                 if ( '' != $align ) { $a = " align='{$align}'"; }
1160                 else { $a = ''; }
1161
1162                 $mp = wfMsg( 'mainpage' );
1163                 $mptitle = Title::newMainPage();
1164                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1165
1166                 $logourl = $this->getLogo();
1167                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1168                 return $s;
1169         }
1170
1171         /**
1172          * show a drop-down box of special pages
1173          */
1174         function specialPagesList() {
1175                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1176                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1177                 foreach ( $pages as $name => $page ) {
1178                         $pages[$name] = $page->getDescription();
1179                 }
1180
1181                 $go = wfMsg( 'go' );
1182                 $sp = wfMsg( 'specialpages' );
1183                 $spp = $wgContLang->specialPage( 'Specialpages' );
1184
1185                 $s = '<form id="specialpages" method="get" class="inline" ' .
1186                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1187                 $s .= "<select name=\"wpDropdown\">\n";
1188                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1189
1190
1191                 foreach ( $pages as $name => $desc ) {
1192                         $p = $wgContLang->specialPage( $name );
1193                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1194                 }
1195                 $s .= "</select>\n";
1196                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1197                 $s .= "</form>\n";
1198                 return $s;
1199         }
1200
1201         function mainPageLink() {
1202                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1203                 return $s;
1204         }
1205
1206         function copyrightLink() {
1207                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1208                   wfMsg( 'copyrightpagename' ) );
1209                 return $s;
1210         }
1211
1212         private function footerLink ( $desc, $page ) {
1213                 // if the link description has been set to "-" in the default language,
1214                 if ( wfMsgForContent( $desc )  == '-') {
1215                         // then it is disabled, for all languages.
1216                         return '';
1217                 } else {
1218                         // Otherwise, we display the link for the user, described in their
1219                         // language (which may or may not be the same as the default language),
1220                         // but we make the link target be the one site-wide page.
1221                         return $this->makeKnownLink( wfMsgForContent( $page ), wfMsg( $desc ) );
1222                 }
1223         }
1224
1225         function privacyLink() {
1226                 return $this->footerLink( 'privacy', 'privacypage' );
1227         }
1228
1229         function aboutLink() {
1230                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1231         }
1232
1233         function disclaimerLink() {
1234                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1235         }
1236
1237         function editThisPage() {
1238                 global $wgOut, $wgTitle;
1239
1240                 if ( ! $wgOut->isArticleRelated() ) {
1241                         $s = wfMsg( 'protectedpage' );
1242                 } else {
1243                         if ( $wgTitle->userCan( 'edit' ) ) {
1244                                 $t = wfMsg( 'editthispage' );
1245                         } else {
1246                                 $t = wfMsg( 'viewsource' );
1247                         }
1248
1249                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1250                 }
1251                 return $s;
1252         }
1253
1254         /**
1255          * Return URL options for the 'edit page' link.
1256          * This may include an 'oldid' specifier, if the current page view is such.
1257          *
1258          * @return string
1259          * @private
1260          */
1261         function editUrlOptions() {
1262                 global $wgArticle;
1263
1264                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1265                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1266                 } else {
1267                         return "action=edit";
1268                 }
1269         }
1270
1271         function deleteThisPage() {
1272                 global $wgUser, $wgTitle, $wgRequest;
1273
1274                 $diff = $wgRequest->getVal( 'diff' );
1275                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1276                         $t = wfMsg( 'deletethispage' );
1277
1278                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1279                 } else {
1280                         $s = '';
1281                 }
1282                 return $s;
1283         }
1284
1285         function protectThisPage() {
1286                 global $wgUser, $wgTitle, $wgRequest;
1287
1288                 $diff = $wgRequest->getVal( 'diff' );
1289                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1290                         if ( $wgTitle->isProtected() ) {
1291                                 $t = wfMsg( 'unprotectthispage' );
1292                                 $q = 'action=unprotect';
1293                         } else {
1294                                 $t = wfMsg( 'protectthispage' );
1295                                 $q = 'action=protect';
1296                         }
1297                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1298                 } else {
1299                         $s = '';
1300                 }
1301                 return $s;
1302         }
1303
1304         function watchThisPage() {
1305                 global $wgOut, $wgTitle;
1306                 ++$this->mWatchLinkNum;
1307
1308                 if ( $wgOut->isArticleRelated() ) {
1309                         if ( $wgTitle->userIsWatching() ) {
1310                                 $t = wfMsg( 'unwatchthispage' );
1311                                 $q = 'action=unwatch';
1312                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1313                         } else {
1314                                 $t = wfMsg( 'watchthispage' );
1315                                 $q = 'action=watch';
1316                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1317                         }
1318                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1319                 } else {
1320                         $s = wfMsg( 'notanarticle' );
1321                 }
1322                 return $s;
1323         }
1324
1325         function moveThisPage() {
1326                 global $wgTitle;
1327
1328                 if ( $wgTitle->userCan( 'move' ) ) {
1329                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1330                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1331                 } else {
1332                         // no message if page is protected - would be redundant
1333                         return '';
1334                 }
1335         }
1336
1337         function historyLink() {
1338                 global $wgTitle;
1339
1340                 return $this->makeKnownLinkObj( $wgTitle,
1341                   wfMsg( 'history' ), 'action=history' );
1342         }
1343
1344         function whatLinksHere() {
1345                 global $wgTitle;
1346
1347                 return $this->makeKnownLinkObj(
1348                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1349                         wfMsg( 'whatlinkshere' ) );
1350         }
1351
1352         function userContribsLink() {
1353                 global $wgTitle;
1354
1355                 return $this->makeKnownLinkObj(
1356                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1357                         wfMsg( 'contributions' ) );
1358         }
1359
1360         function showEmailUser( $id ) {
1361                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1362                 return $wgEnableEmail &&
1363                        $wgEnableUserEmail &&
1364                        $wgUser->isLoggedIn() && # show only to signed in users
1365                        0 != $id; # we can only email to non-anons ..
1366 #                      '' != $id->getEmail() && # who must have an email address stored ..
1367 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1368 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1369         }
1370
1371         function emailUserLink() {
1372                 global $wgTitle;
1373
1374                 return $this->makeKnownLinkObj(
1375                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1376                         wfMsg( 'emailuser' ) );
1377         }
1378
1379         function watchPageLinksLink() {
1380                 global $wgOut, $wgTitle;
1381
1382                 if ( ! $wgOut->isArticleRelated() ) {
1383                         return '(' . wfMsg( 'notanarticle' ) . ')';
1384                 } else {
1385                         return $this->makeKnownLinkObj(
1386                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1387                                 wfMsg( 'recentchangeslinked' ) );
1388                 }
1389         }
1390
1391         function trackbackLink() {
1392                 global $wgTitle;
1393
1394                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1395                         . wfMsg('trackbacklink') . "</a>";
1396         }
1397
1398         function otherLanguages() {
1399                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1400
1401                 if ( $wgHideInterlanguageLinks ) {
1402                         return '';
1403                 }
1404
1405                 $a = $wgOut->getLanguageLinks();
1406                 if ( 0 == count( $a ) ) {
1407                         return '';
1408                 }
1409
1410                 $s = wfMsg( 'otherlanguages' ) . ': ';
1411                 $first = true;
1412                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1413                 foreach( $a as $l ) {
1414                         if ( ! $first ) { $s .= ' | '; }
1415                         $first = false;
1416
1417                         $nt = Title::newFromText( $l );
1418                         $url = $nt->escapeFullURL();
1419                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1420
1421                         if ( '' == $text ) { $text = $l; }
1422                         $style = $this->getExternalLinkAttributes( $l, $text );
1423                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1424                 }
1425                 if($wgContLang->isRTL()) $s .= '</span>';
1426                 return $s;
1427         }
1428
1429         function bugReportsLink() {
1430                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1431                   wfMsg( 'bugreports' ) );
1432                 return $s;
1433         }
1434
1435         function talkLink() {
1436                 global $wgTitle;
1437
1438                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1439                         # No discussion links for special pages
1440                         return '';
1441                 }
1442
1443                 if( $wgTitle->isTalkPage() ) {
1444                         $link = $wgTitle->getSubjectPage();
1445                         switch( $link->getNamespace() ) {
1446                                 case NS_MAIN:
1447                                         $text = wfMsg( 'articlepage' );
1448                                         break;
1449                                 case NS_USER:
1450                                         $text = wfMsg( 'userpage' );
1451                                         break;
1452                                 case NS_PROJECT:
1453                                         $text = wfMsg( 'projectpage' );
1454                                         break;
1455                                 case NS_IMAGE:
1456                                         $text = wfMsg( 'imagepage' );
1457                                         break;
1458                                 case NS_MEDIAWIKI:
1459                                         $text = wfMsg( 'mediawikipage' );
1460                                         break;
1461                                 case NS_TEMPLATE:
1462                                         $text = wfMsg( 'templatepage' );
1463                                         break;
1464                                 case NS_HELP:
1465                                         $text = wfMsg( 'viewhelppage' );
1466                                         break;
1467                                 case NS_CATEGORY:
1468                                         $text = wfMsg( 'categorypage' );
1469                                         break;
1470                                 default:
1471                                         $text = wfMsg( 'articlepage' );
1472                         }
1473                 } else {
1474                         $link = $wgTitle->getTalkPage();
1475                         $text = wfMsg( 'talkpage' );
1476                 }
1477
1478                 $s = $this->makeLinkObj( $link, $text );
1479
1480                 return $s;
1481         }
1482
1483         function commentLink() {
1484                 global $wgTitle, $wgOut;
1485
1486                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1487                         return '';
1488                 }
1489
1490                 # __NEWSECTIONLINK___ changes behaviour here
1491                 # If it's present, the link points to this page, otherwise
1492                 # it points to the talk page
1493                 if( $wgTitle->isTalkPage() ) {
1494                         $title =& $wgTitle;
1495                 } elseif( $wgOut->showNewSectionLink() ) {
1496                         $title =& $wgTitle;
1497                 } else {
1498                         $title =& $wgTitle->getTalkPage();
1499                 }
1500
1501                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1502         }
1503
1504         /* these are used extensively in SkinTemplate, but also some other places */
1505         static function makeMainPageUrl( $urlaction = '' ) {
1506                 $title = Title::newMainPage();
1507                 self::checkTitle( $title, '' );
1508                 return $title->getLocalURL( $urlaction );
1509         }
1510
1511         static function makeSpecialUrl( $name, $urlaction = '' ) {
1512                 $title = SpecialPage::getTitleFor( $name );
1513                 return $title->getLocalURL( $urlaction );
1514         }
1515
1516         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1517                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1518                 return $title->getLocalURL( $urlaction );
1519         }
1520
1521         static function makeI18nUrl( $name, $urlaction = '' ) {
1522                 $title = Title::newFromText( wfMsgForContent( $name ) );
1523                 self::checkTitle( $title, $name );
1524                 return $title->getLocalURL( $urlaction );
1525         }
1526
1527         static function makeUrl( $name, $urlaction = '' ) {
1528                 $title = Title::newFromText( $name );
1529                 self::checkTitle( $title, $name );
1530                 return $title->getLocalURL( $urlaction );
1531         }
1532
1533         # If url string starts with http, consider as external URL, else
1534         # internal
1535         static function makeInternalOrExternalUrl( $name ) {
1536                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1537                         return $name;
1538                 } else {
1539                         return self::makeUrl( $name );
1540                 }
1541         }
1542
1543         # this can be passed the NS number as defined in Language.php
1544         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1545                 $title = Title::makeTitleSafe( $namespace, $name );
1546                 self::checkTitle( $title, $name );
1547                 return $title->getLocalURL( $urlaction );
1548         }
1549
1550         /* these return an array with the 'href' and boolean 'exists' */
1551         static function makeUrlDetails( $name, $urlaction = '' ) {
1552                 $title = Title::newFromText( $name );
1553                 self::checkTitle( $title, $name );
1554                 return array(
1555                         'href' => $title->getLocalURL( $urlaction ),
1556                         'exists' => $title->getArticleID() != 0 ? true : false
1557                 );
1558         }
1559
1560         /**
1561          * Make URL details where the article exists (or at least it's convenient to think so)
1562          */
1563         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1564                 $title = Title::newFromText( $name );
1565                 self::checkTitle( $title, $name );
1566                 return array(
1567                         'href' => $title->getLocalURL( $urlaction ),
1568                         'exists' => true
1569                 );
1570         }
1571
1572         # make sure we have some title to operate on
1573         static function checkTitle( &$title, $name ) {
1574                 if( !is_object( $title ) ) {
1575                         $title = Title::newFromText( $name );
1576                         if( !is_object( $title ) ) {
1577                                 $title = Title::newFromText( '--error: link target missing--' );
1578                         }
1579                 }
1580         }
1581
1582         /**
1583          * Build an array that represents the sidebar(s), the navigation bar among them
1584          *
1585          * @return array
1586          * @private
1587          */
1588         function buildSidebar() {
1589                 global $parserMemc, $wgEnableSidebarCache;
1590                 global $wgLang, $wgContLang;
1591
1592                 $fname = 'SkinTemplate::buildSidebar';
1593
1594                 wfProfileIn( $fname );
1595
1596                 $key = wfMemcKey( 'sidebar' );
1597                 $cacheSidebar = $wgEnableSidebarCache &&
1598                         ($wgLang->getCode() == $wgContLang->getCode());
1599
1600                 if ($cacheSidebar) {
1601                         $cachedsidebar = $parserMemc->get( $key );
1602                         if ($cachedsidebar!="") {
1603                                 wfProfileOut($fname);
1604                                 return $cachedsidebar;
1605                         }
1606                 }
1607
1608                 $bar = array();
1609                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1610                 foreach ($lines as $line) {
1611                         if (strpos($line, '*') !== 0)
1612                                 continue;
1613                         if (strpos($line, '**') !== 0) {
1614                                 $line = trim($line, '* ');
1615                                 $heading = $line;
1616                         } else {
1617                                 if (strpos($line, '|') !== false) { // sanity check
1618                                         $line = explode( '|' , trim($line, '* '), 2 );
1619                                         $link = wfMsgForContent( $line[0] );
1620                                         if ($link == '-')
1621                                                 continue;
1622                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1623                                                 $text = $line[1];
1624                                         if (wfEmptyMsg($line[0], $link))
1625                                                 $link = $line[0];
1626
1627                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1628                                                 $href = $link;
1629                                         } else {
1630                                                 $title = Title::newFromText( $link );
1631                                                 if ( $title ) {
1632                                                         $title = $title->fixSpecialName();
1633                                                         $href = $title->getLocalURL();
1634                                                 } else {
1635                                                         $href = 'INVALID-TITLE';
1636                                                 }
1637                                         }
1638
1639                                         $bar[$heading][] = array(
1640                                                 'text' => $text,
1641                                                 'href' => $href,
1642                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1643                                                 'active' => false
1644                                         );
1645                                 } else { continue; }
1646                         }
1647                 }
1648                 if ($cacheSidebar)
1649                         $parserMemc->set( $key, $bar, 86400 );
1650                 wfProfileOut( $fname );
1651                 return $bar;
1652         }
1653 }
1654 ?>