includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   4
   5 # See skin.txt
   6
   7 /**
   8  * The main skin class that provide methods and properties for all other skins.
   9  * This base class is also the "Standard" skin.
  10  *
  11  * See docs/skin.txt for more information.
  12  *
  13  * @addtogroup Skins
  14  */
  15 class Skin extends Linker {
  16         /**#@+
  17          * @private
  18          */
  19         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  20         /**#@-*/
  21         protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
  22         protected $skinname = 'standard' ;
  23
  24         /** Constructor, call parent constructor */
  25         function Skin() { parent::__construct(); }
  26
  27         /**
  28          * Fetch the set of available skins.
  29          * @return array of strings
  30          * @static
  31          */
  32         static function getSkinNames() {
  33                 global $wgValidSkinNames;
  34                 static $skinsInitialised = false;
  35                 if ( !$skinsInitialised ) {
  36                         # Get a list of available skins
  37                         # Build using the regular expression '^(.*).php$'
  38                         # Array keys are all lower case, array value keep the case used by filename
  39                         #
  40                         wfProfileIn( __METHOD__ . '-init' );
  41                         global $wgStyleDirectory;
  42                         $skinDir = dir( $wgStyleDirectory );
  43
  44                         # while code from www.php.net
  45                         while (false !== ($file = $skinDir->read())) {
  46                                 // Skip non-PHP files, hidden files, and '.dep' includes
  47                                 $matches = array();
  48                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  49                                         $aSkin = $matches[1];
  50                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  51                                 }
  52                         }
  53                         $skinDir->close();
  54                         $skinsInitialised = true;
  55                         wfProfileOut( __METHOD__ . '-init' );
  56                 }
  57                 return $wgValidSkinNames;
  58         }
  59
  60         /**
  61          * Normalize a skin preference value to a form that can be loaded.
  62          * If a skin can't be found, it will fall back to the configured
  63          * default (or the old 'Classic' skin if that's broken).
  64          * @param string $key
  65          * @return string
  66          * @static
  67          */
  68         static function normalizeKey( $key ) {
  69                 global $wgDefaultSkin;
  70                 $skinNames = Skin::getSkinNames();
  71
  72                 if( $key == '' ) {
  73                         // Don't return the default immediately;
  74                         // in a misconfiguration we need to fall back.
  75                         $key = $wgDefaultSkin;
  76                 }
  77
  78                 if( isset( $skinNames[$key] ) ) {
  79                         return $key;
  80                 }
  81
  82                 // Older versions of the software used a numeric setting
  83                 // in the user preferences.
  84                 $fallback = array(
  85                         0 => $wgDefaultSkin,
  86                         1 => 'nostalgia',
  87                         2 => 'cologneblue' );
  88
  89                 if( isset( $fallback[$key] ) ){
  90                         $key = $fallback[$key];
  91                 }
  92
  93                 if( isset( $skinNames[$key] ) ) {
  94                         return $key;
  95                 } else {
  96                         return 'monobook';
  97                 }
  98         }
  99
 100         /**
 101          * Factory method for loading a skin of a given type
 102          * @param string $key 'monobook', 'standard', etc
 103          * @return Skin
 104          * @static
 105          */
 106         static function &newFromKey( $key ) {
 107                 global $wgStyleDirectory;
 108
 109                 $key = Skin::normalizeKey( $key );
 110
 111                 $skinNames = Skin::getSkinNames();
 112                 $skinName = $skinNames[$key];
 113                 $className = 'Skin'.ucfirst($key);
 114
 115                 # Grab the skin class and initialise it.
 116                 if ( !class_exists( $className ) ) {
 117                         // Preload base classes to work around APC/PHP5 bug
 118                         $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 119                         if( file_exists( $deps ) ) include_once( $deps );
 120                         require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 121
 122                         # Check if we got if not failback to default skin
 123                         if( !class_exists( $className ) ) {
 124                                 # DO NOT die if the class isn't found. This breaks maintenance
 125                                 # scripts and can cause a user account to be unrecoverable
 126                                 # except by SQL manipulation if a previously valid skin name
 127                                 # is no longer valid.
 128                                 wfDebug( "Skin class does not exist: $className\n" );
 129                                 $className = 'SkinMonobook';
 130                                 require_once( "{$wgStyleDirectory}/MonoBook.php" );
 131                         }
 132                 }
 133                 $skin = new $className;
 134                 return $skin;
 135         }
 136
 137         /** @return string path to the skin stylesheet */
 138         function getStylesheet() {
 139                 return 'common/wikistandard.css';
 140         }
 141
 142         /** @return string skin name */
 143         public function getSkinName() {
 144                 return $this->skinname;
 145         }
 146
 147         function qbSetting() {
 148                 global $wgOut, $wgUser;
 149
 150                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 151                 $q = $wgUser->getOption( 'quickbar', 0 );
 152                 return $q;
 153         }
 154
 155         function initPage( &$out ) {
 156                 global $wgFavicon, $wgAppleTouchIcon, $wgScriptPath, $wgScriptExtension;
 157
 158                 wfProfileIn( __METHOD__ );
 159
 160                 if( false !== $wgFavicon ) {
 161                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 162                 }
 163
 164                 if( false !== $wgAppleTouchIcon ) {
 165                         $out->addLink( array( 'rel' => 'apple-touch-icon', 'href' => $wgAppleTouchIcon ) );
 166                 }
 167
 168                 # OpenSearch description link
 169                 $out->addLink( array(
 170                         'rel' => 'search',
 171                         'type' => 'application/opensearchdescription+xml',
 172                         'href' => "$wgScriptPath/opensearch_desc{$wgScriptExtension}",
 173                         'title' => wfMsgForContent( 'opensearch-desc' ),
 174                 ));
 175
 176                 $this->addMetadataLinks($out);
 177
 178                 $this->mRevisionId = $out->mRevisionId;
 179
 180                 $this->preloadExistence();
 181
 182                 wfProfileOut( __METHOD__ );
 183         }
 184
 185         /**
 186          * Preload the existence of three commonly-requested pages in a single query
 187          */
 188         function preloadExistence() {
 189                 global $wgUser, $wgTitle;
 190
 191                 // User/talk link
 192                 $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
 193
 194                 // Other tab link
 195                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
 196                         // nothing
 197                 } elseif ( $wgTitle->isTalkPage() ) {
 198                         $titles[] = $wgTitle->getSubjectPage();
 199                 } else {
 200                         $titles[] = $wgTitle->getTalkPage();
 201                 }
 202
 203                 $lb = new LinkBatch( $titles );
 204                 $lb->execute();
 205         }
 206
 207         function addMetadataLinks( &$out ) {
 208                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 209                 global $wgRightsPage, $wgRightsUrl;
 210
 211                 if( $out->isArticleRelated() ) {
 212                         # note: buggy CC software only reads first "meta" link
 213                         if( $wgEnableCreativeCommonsRdf ) {
 214                                 $out->addMetadataLink( array(
 215                                         'title' => 'Creative Commons',
 216                                         'type' => 'application/rdf+xml',
 217                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 218                         }
 219                         if( $wgEnableDublinCoreRdf ) {
 220                                 $out->addMetadataLink( array(
 221                                         'title' => 'Dublin Core',
 222                                         'type' => 'application/rdf+xml',
 223                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 224                         }
 225                 }
 226                 $copyright = '';
 227                 if( $wgRightsPage ) {
 228                         $copy = Title::newFromText( $wgRightsPage );
 229                         if( $copy ) {
 230                                 $copyright = $copy->getLocalURL();
 231                         }
 232                 }
 233                 if( !$copyright && $wgRightsUrl ) {
 234                         $copyright = $wgRightsUrl;
 235                 }
 236                 if( $copyright ) {
 237                         $out->addLink( array(
 238                                 'rel' => 'copyright',
 239                                 'href' => $copyright ) );
 240                 }
 241         }
 242
 243         function outputPage( &$out ) {
 244                 global $wgDebugComments;
 245
 246                 wfProfileIn( __METHOD__ );
 247                 $this->initPage( $out );
 248
 249                 $out->out( $out->headElement() );
 250
 251                 $out->out( "\n<body" );
 252                 $ops = $this->getBodyOptions();
 253                 foreach ( $ops as $name => $val ) {
 254                         $out->out( " $name='$val'" );
 255                 }
 256                 $out->out( ">\n" );
 257                 if ( $wgDebugComments ) {
 258                         $out->out( "<!-- Wiki debugging output:\n" .
 259                           $out->mDebugtext . "-->\n" );
 260                 }
 261
 262                 $out->out( $this->beforeContent() );
 263
 264                 $out->out( $out->mBodytext . "\n" );
 265
 266                 $out->out( $this->afterContent() );
 267
 268                 $out->out( $this->bottomScripts() );
 269
 270                 $out->out( $out->reportTime() );
 271
 272                 $out->out( "\n</body></html>" );
 273                 wfProfileOut( __METHOD__ );
 274         }
 275
 276         static function makeVariablesScript( $data ) {
 277                 global $wgJsMimeType;
 278
 279                 $r = "<script type= \"$wgJsMimeType\">/*<![CDATA[*/\n";
 280                 foreach ( $data as $name => $value ) {
 281                         $encValue = Xml::encodeJsVar( $value );
 282                         $r .= "var $name = $encValue;\n";
 283                 }
 284                 $r .= "/*]]>*/</script>\n";
 285
 286                 return $r;
 287         }
 288
 289         /**
 290          * Make a <script> tag containing global variables
 291          * @param array $data Associative array containing one element:
 292          *     skinname => the skin name
 293          * The odd calling convention is for backwards compatibility
 294          */
 295         static function makeGlobalVariablesScript( $data ) {
 296                 global $wgScript, $wgStylePath, $wgUser;
 297                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 298                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 299                 global $wgBreakFrames, $wgRequest, $wgVariantArticlePath, $wgActionPaths;
 300                 global $wgUseAjax, $wgAjaxWatch;
 301                 global $wgVersion, $wgEnableAPI, $wgEnableWriteAPI;
 302                 global $wgRestrictionTypes, $wgLivePreview;
 303                 global $wgMWSuggestTemplate, $wgDBname, $wgEnableMWSuggest;
 304
 305                 $ns = $wgTitle->getNamespace();
 306                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 307
 308                 $vars = array(
 309                         'skin' => $data['skinname'],
 310                         'stylepath' => $wgStylePath,
 311                         'wgArticlePath' => $wgArticlePath,
 312                         'wgScriptPath' => $wgScriptPath,
 313                         'wgScript' => $wgScript,
 314                         'wgVariantArticlePath' => $wgVariantArticlePath,
 315                         'wgActionPaths' => $wgActionPaths,
 316                         'wgServer' => $wgServer,
 317                         'wgCanonicalNamespace' => $nsname,
 318                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBkey() ),
 319                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 320                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 321                         'wgTitle' => $wgTitle->getText(),
 322                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 323                         'wgArticleId' => $wgTitle->getArticleId(),
 324                         'wgIsArticle' => $wgOut->isArticle(),
 325                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 326                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 327                         'wgUserLanguage' => $wgLang->getCode(),
 328                         'wgContentLanguage' => $wgContLang->getCode(),
 329                         'wgBreakFrames' => $wgBreakFrames,
 330                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 331                         'wgVersion' => $wgVersion,
 332                         'wgEnableAPI' => $wgEnableAPI,
 333                         'wgEnableWriteAPI' => $wgEnableWriteAPI,
 334                 );
 335
 336                 if( $wgUseAjax && $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false )){
 337                         $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
 338                         $vars['wgDBname'] = $wgDBname;
 339                         $vars['wgSearchNamespaces'] = SearchEngine::userNamespaces( $wgUser );
 340                         $vars['wgMWSuggestMessages'] = array( wfMsg('search-mwsuggest-enabled'), wfMsg('search-mwsuggest-disabled'));
 341                 }
 342
 343                 foreach( $wgRestrictionTypes as $type )
 344                         $vars['wgRestriction' . ucfirst( $type )] = $wgTitle->getRestrictions( $type );
 345
 346                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 347                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 348                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 349                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 350                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 351                 }
 352
 353                 if($wgUseAjax && $wgAjaxWatch && $wgUser->isLoggedIn() ) {
 354                         $msgs = (object)array();
 355                         foreach ( array( 'watch', 'unwatch', 'watching', 'unwatching' ) as $msgName ) {
 356                                 $msgs->{$msgName . 'Msg'} = wfMsg( $msgName );
 357                         }
 358                         $vars['wgAjaxWatch'] = $msgs;
 359                 }
 360
 361                 return self::makeVariablesScript( $vars );
 362         }
 363
 364         function getHeadScripts( $allowUserJs ) {
 365                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 366
 367                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 368
 369                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 370                 global $wgUseSiteJs;
 371                 if ($wgUseSiteJs) {
 372                         $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
 373                         $r .= "<script type=\"$wgJsMimeType\" src=\"".
 374                                 htmlspecialchars(self::makeUrl('-',
 375                                         "action=raw$jsCache&gen=js&useskin=" .
 376                                         urlencode( $this->getSkinName() ) ) ) .
 377                                 "\"><!-- site js --></script>\n";
 378                 }
 379                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 380                         $userpage = $wgUser->getUserPage();
 381                         $userjs = htmlspecialchars( self::makeUrl(
 382                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 383                                 'action=raw&ctype='.$wgJsMimeType));
 384                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 385                 }
 386                 return $r;
 387         }
 388
 389         /**
 390          * To make it harder for someone to slip a user a fake
 391          * user-JavaScript or user-CSS preview, a random token
 392          * is associated with the login session. If it's not
 393          * passed back with the preview request, we won't render
 394          * the code.
 395          *
 396          * @param string $action
 397          * @return bool
 398          * @private
 399          */
 400         function userCanPreview( $action ) {
 401                 global $wgTitle, $wgRequest, $wgUser;
 402
 403                 if( $action != 'submit' )
 404                         return false;
 405                 if( !$wgRequest->wasPosted() )
 406                         return false;
 407                 if( !$wgTitle->userCanEditCssJsSubpage() )
 408                         return false;
 409                 return $wgUser->matchEditToken(
 410                         $wgRequest->getVal( 'wpEditToken' ) );
 411         }
 412
 413         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 414         function getUserStylesheet() {
 415                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 416                 $sheet = $this->getStylesheet();
 417                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 418                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 419                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 420                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 421
 422                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 423                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 424                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 425
 426                 $s .= $this->doGetUserStyles();
 427                 return $s."\n";
 428         }
 429
 430         /**
 431          * This returns MediaWiki:Common.js, and derived classes may add other JS.
 432          * Despite its name, it does *not* return any custom user JS from user
 433          * subpages.  The returned script is sitewide and publicly cacheable and
 434          * therefore must not include anything that varies according to user,
 435          * interface language, etc. (although it may vary by skin).  See
 436          * makeGlobalVariablesScript for things that can vary per page view and are
 437          * not cacheable.
 438          *
 439          * @return string Raw JavaScript to be returned
 440          */
 441         public function getUserJs() {
 442                 wfProfileIn( __METHOD__ );
 443
 444                 global $wgStylePath;
 445                 $s = "/* generated javascript */\n";
 446                 $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
 447                 $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
 448                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 449                 $commonJs = wfMsgForContent('common.js');
 450                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 451                         $s .= $commonJs;
 452                 }
 453                 wfProfileOut( __METHOD__ );
 454                 return $s;
 455         }
 456
 457         /**
 458          * Return html code that include User stylesheets
 459          */
 460         function getUserStyles() {
 461                 $s = "<style type='text/css'>\n";
 462                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 463                 $s .= $this->getUserStylesheet();
 464                 $s .= "/*]]>*/ /* */\n";
 465                 $s .= "</style>\n";
 466                 return $s;
 467         }
 468
 469         /**
 470          * Some styles that are set by user through the user settings interface.
 471          */
 472         function doGetUserStyles() {
 473                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 474
 475                 $s = '';
 476
 477                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 478                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 479                                 $s .= $wgRequest->getText('wpTextbox1');
 480                         } else {
 481                                 $userpage = $wgUser->getUserPage();
 482                                 $s.= '@import "'.self::makeUrl(
 483                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 484                                         'action=raw&ctype=text/css').'";'."\n";
 485                         }
 486                 }
 487
 488                 return $s . $this->reallyDoGetUserStyles();
 489         }
 490
 491         function reallyDoGetUserStyles() {
 492                 global $wgUser;
 493                 $s = '';
 494                 if (($undopt = $wgUser->getOption("underline")) < 2) {
 495                         $underline = $undopt ? 'underline' : 'none';
 496                         $s .= "a { text-decoration: $underline; }\n";
 497                 }
 498                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 499                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 500                 } else {
 501                         $s .= <<<END
 502 a.new, #quickbar a.new,
 503 a.stub, #quickbar a.stub {
 504         color: inherit;
 505 }
 506 a.new:after, #quickbar a.new:after {
 507         content: "?";
 508         color: #CC2200;
 509 }
 510 a.stub:after, #quickbar a.stub:after {
 511         content: "!";
 512         color: #772233;
 513 }
 514 END;
 515                 }
 516                 if( $wgUser->getOption( 'justify' ) ) {
 517                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 518                 }
 519                 if( !$wgUser->getOption( 'showtoc' ) ) {
 520                         $s .= "#toc { display: none; }\n";
 521                 }
 522                 if( !$wgUser->getOption( 'editsection' ) ) {
 523                         $s .= ".editsection { display: none; }\n";
 524                 }
 525                 return $s;
 526         }
 527
 528         function getBodyOptions() {
 529                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 530
 531                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 532
 533                 if ( 0 != $wgTitle->getNamespace() ) {
 534                         $a = array( 'bgcolor' => '#ffffec' );
 535                 }
 536                 else $a = array( 'bgcolor' => '#FFFFFF' );
 537                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 538                   $wgTitle->userCan( 'edit' ) ) {
 539                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 540                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 541                         $a += array ('ondblclick' => $s);
 542
 543                 }
 544                 $a['onload'] = $wgOut->getOnloadHandler();
 545                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 546                         if( $a['onload'] != '' ) {
 547                                 $a['onload'] .= ';';
 548                         }
 549                         $a['onload'] .= 'setupRightClickEdit()';
 550                 }
 551                 $a['class'] =
 552                         'mediawiki ns-'.$wgTitle->getNamespace().
 553                         ' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 554                         ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 555                 return $a;
 556         }
 557
 558         /**
 559          * URL to the logo
 560          */
 561         function getLogo() {
 562                 global $wgLogo;
 563                 return $wgLogo;
 564         }
 565
 566         /**
 567          * This will be called immediately after the <body> tag.  Split into
 568          * two functions to make it easier to subclass.
 569          */
 570         function beforeContent() {
 571                 return $this->doBeforeContent();
 572         }
 573
 574         function doBeforeContent() {
 575                 global $wgContLang;
 576                 $fname = 'Skin::doBeforeContent';
 577                 wfProfileIn( $fname );
 578
 579                 $s = '';
 580                 $qb = $this->qbSetting();
 581
 582                 if( $langlinks = $this->otherLanguages() ) {
 583                         $rows = 2;
 584                         $borderhack = '';
 585                 } else {
 586                         $rows = 1;
 587                         $langlinks = false;
 588                         $borderhack = 'class="top"';
 589                 }
 590
 591                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 592                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 593
 594                 $shove = ($qb != 0);
 595                 $left = ($qb == 1 || $qb == 3);
 596                 if($wgContLang->isRTL()) $left = !$left;
 597
 598                 if ( !$shove ) {
 599                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 600                           $this->logoText() . '</td>';
 601                 } elseif( $left ) {
 602                         $s .= $this->getQuickbarCompensator( $rows );
 603                 }
 604                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 605                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 606
 607                 $s .= $this->topLinks() ;
 608                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 609
 610                 $r = $wgContLang->isRTL() ? "left" : "right";
 611                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 612                 $s .= $this->nameAndLogin();
 613                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 614
 615                 if ( $langlinks ) {
 616                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 617                 }
 618
 619                 if ( $shove && !$left ) { # Right
 620                         $s .= $this->getQuickbarCompensator( $rows );
 621                 }
 622                 $s .= "</tr>\n</table>\n</div>\n";
 623                 $s .= "\n<div id='article'>\n";
 624
 625                 $notice = wfGetSiteNotice();
 626                 if( $notice ) {
 627                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 628                 }
 629                 $s .= $this->pageTitle();
 630                 $s .= $this->pageSubtitle() ;
 631                 $s .= $this->getCategories();
 632                 wfProfileOut( $fname );
 633                 return $s;
 634         }
 635
 636
 637         function getCategoryLinks() {
 638                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 639                 global $wgContLang, $wgUser;
 640
 641                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 642
 643                 # Separator
 644                 $sep = wfMsgHtml( 'catseparator' );
 645
 646                 // Use Unicode bidi embedding override characters,
 647                 // to make sure links don't smash each other up in ugly ways.
 648                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 649                 $embed = "<span dir='$dir'>";
 650                 $pop = '</span>';
 651
 652                 $allCats = $wgOut->getCategoryLinks();
 653                 $s = '';
 654                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 655                 if ( !empty( $allCats['normal'] ) ) {
 656                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 657
 658                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 659                         $s .= '<div id="mw-normal-catlinks">' .
 660                                 $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 661                                 . $colon . $t . '</div>';
 662                 }
 663
 664                 # Hidden categories
 665                 if ( isset( $allCats['hidden'] ) ) {
 666                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 667                                 $class ='mw-hidden-cats-user-shown';
 668                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 669                                 $class = 'mw-hidden-cats-ns-shown';
 670                         } else {
 671                                 $class = 'mw-hidden-cats-hidden';
 672                         }
 673                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 674                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 675                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 676                                 "</div>";
 677                 }
 678
 679                 # optional 'dmoz-like' category browser. Will be shown under the list
 680                 # of categories an article belong to
 681                 if($wgUseCategoryBrowser) {
 682                         $s .= '<br /><hr />';
 683
 684                         # get a big array of the parents tree
 685                         $parenttree = $wgTitle->getParentCategoryTree();
 686                         # Skin object passed by reference cause it can not be
 687                         # accessed under the method subfunction drawCategoryBrowser
 688                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 689                         # Clean out bogus first entry and sort them
 690                         unset($tempout[0]);
 691                         asort($tempout);
 692                         # Output one per line
 693                         $s .= implode("<br />\n", $tempout);
 694                 }
 695
 696                 return $s;
 697         }
 698
 699         /** Render the array as a serie of links.
 700          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 701          * @param &skin Object: skin passed by reference
 702          * @return String separated by &gt;, terminate with "\n"
 703          */
 704         function drawCategoryBrowser($tree, &$skin) {
 705                 $return = '';
 706                 foreach ($tree as $element => $parent) {
 707                         if (empty($parent)) {
 708                                 # element start a new list
 709                                 $return .= "\n";
 710                         } else {
 711                                 # grab the others elements
 712                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 713                         }
 714                         # add our current element to the list
 715                         $eltitle = Title::NewFromText($element);
 716                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 717                 }
 718                 return $return;
 719         }
 720
 721         function getCategories() {
 722                 $catlinks=$this->getCategoryLinks();
 723
 724                 $classes = 'catlinks';
 725
 726                 if(FALSE === strpos($catlinks,'<div id="mw-normal-catlinks">')) {
 727                         $classes .= ' catlinks-allhidden';
 728                 }
 729
 730                 if(!empty($catlinks)) {
 731                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 732                 }
 733         }
 734
 735         function getQuickbarCompensator( $rows = 1 ) {
 736                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 737         }
 738
 739         /**
 740          * This gets called shortly before the \</body\> tag.
 741          * @return String HTML to be put before \</body\>
 742          */
 743         function afterContent() {
 744                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 745                 return $printfooter . $this->doAfterContent();
 746         }
 747
 748         /**
 749          * This gets called shortly before the \</body\> tag.
 750          * @return String HTML-wrapped JS code to be put before \</body\>
 751          */
 752         function bottomScripts() {
 753                 global $wgJsMimeType;
 754                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 755                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 756                 return $bottomScriptText;
 757         }
 758
 759         /** @return string Retrievied from HTML text */
 760         function printSource() {
 761                 global $wgTitle;
 762                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 763                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 764         }
 765
 766         function printFooter() {
 767                 return "<p>" .  $this->printSource() .
 768                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 769         }
 770
 771         /** overloaded by derived classes */
 772         function doAfterContent() { }
 773
 774         function pageTitleLinks() {
 775                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 776
 777                 $oldid = $wgRequest->getVal( 'oldid' );
 778                 $diff = $wgRequest->getVal( 'diff' );
 779                 $action = $wgRequest->getText( 'action' );
 780
 781                 $s = $this->printableLink();
 782                 $disclaimer = $this->disclaimerLink(); # may be empty
 783                 if( $disclaimer ) {
 784                         $s .= ' | ' . $disclaimer;
 785                 }
 786                 $privacy = $this->privacyLink(); # may be empty too
 787                 if( $privacy ) {
 788                         $s .= ' | ' . $privacy;
 789                 }
 790
 791                 if ( $wgOut->isArticleRelated() ) {
 792                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 793                                 $name = $wgTitle->getDBkey();
 794                                 $image = wfFindFile( $wgTitle );
 795                                 if( $image ) {
 796                                         $link = htmlspecialchars( $image->getURL() );
 797                                         $style = $this->getInternalLinkAttributes( $link, $name );
 798                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 799                                 }
 800                         }
 801                 }
 802                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 803                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 804                                         wfMsg( 'currentrev' ) );
 805                 }
 806
 807                 if ( $wgUser->getNewtalk() ) {
 808                         # do not show "You have new messages" text when we are viewing our
 809                         # own talk page
 810                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 811                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 812                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 813                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 814                                 # disable caching
 815                                 $wgOut->setSquidMaxage(0);
 816                                 $wgOut->enableClientCache(false);
 817                         }
 818                 }
 819
 820                 $undelete = $this->getUndeleteLink();
 821                 if( !empty( $undelete ) ) {
 822                         $s .= ' | '.$undelete;
 823                 }
 824                 return $s;
 825         }
 826
 827         function getUndeleteLink() {
 828                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 829                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 830                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 831                         ($n = $wgTitle->isDeleted() ) )
 832                 {
 833                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 834                                 $msg = 'thisisdeleted';
 835                         } else {
 836                                 $msg = 'viewdeleted';
 837                         }
 838                         return wfMsg( $msg,
 839                                 $this->makeKnownLinkObj(
 840                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 841                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 842                 }
 843                 return '';
 844         }
 845
 846         function printableLink() {
 847                 global $wgOut, $wgFeedClasses, $wgRequest;
 848
 849                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 850
 851                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 852                 if( $wgOut->isSyndicated() ) {
 853                         foreach( $wgFeedClasses as $format => $class ) {
 854                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 855                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 856                         }
 857                 }
 858                 return $s;
 859         }
 860
 861         function pageTitle() {
 862                 global $wgOut;
 863                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 864                 return $s;
 865         }
 866
 867         function pageSubtitle() {
 868                 global $wgOut;
 869
 870                 $sub = $wgOut->getSubtitle();
 871                 if ( '' == $sub ) {
 872                         global $wgExtraSubtitle;
 873                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 874                 }
 875                 $subpages = $this->subPageSubtitle();
 876                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 877                 $s = "<p class='subtitle'>{$sub}</p>\n";
 878                 return $s;
 879         }
 880
 881         function subPageSubtitle() {
 882                 $subpages = '';
 883                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 884                         return $retval;
 885
 886                 global $wgOut, $wgTitle, $wgNamespacesWithSubpages;
 887                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 888                         $ptext=$wgTitle->getPrefixedText();
 889                         if(preg_match('/\//',$ptext)) {
 890                                 $links = explode('/',$ptext);
 891                                 $c = 0;
 892                                 $growinglink = '';
 893                                 foreach($links as $link) {
 894                                         $c++;
 895                                         if ($c<count($links)) {
 896                                                 $growinglink .= $link;
 897                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 898                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 899                                                 if ($c>1) {
 900                                                         $subpages .= ' | ';
 901                                                 } else  {
 902                                                         $subpages .= '&lt; ';
 903                                                 }
 904                                                 $subpages .= $getlink;
 905                                                 $growinglink .= '/';
 906                                         }
 907                                 }
 908                         }
 909                 }
 910                 return $subpages;
 911         }
 912
 913         /**
 914          * Returns true if the IP should be shown in the header
 915          */
 916         function showIPinHeader() {
 917                 global $wgShowIPinHeader;
 918                 return $wgShowIPinHeader && session_id() != '';
 919         }
 920
 921         function nameAndLogin() {
 922                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 923
 924                 $lo = $wgContLang->specialPage( 'Userlogout' );
 925
 926                 $s = '';
 927                 if ( $wgUser->isAnon() ) {
 928                         if( $this->showIPinHeader() ) {
 929                                 $n = wfGetIP();
 930
 931                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 932                                   $wgLang->getNsText( NS_TALK ) );
 933
 934                                 $s .= $n . ' ('.$tl.')';
 935                         } else {
 936                                 $s .= wfMsg('notloggedin');
 937                         }
 938
 939                         $rt = $wgTitle->getPrefixedURL();
 940                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 941                                 $q = '';
 942                         } else { $q = "returnto={$rt}"; }
 943
 944                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 945                                 SpecialPage::getTitleFor( 'Userlogin' ),
 946                                 wfMsg( 'login' ), $q );
 947                 } else {
 948                         $n = $wgUser->getName();
 949                         $rt = $wgTitle->getPrefixedURL();
 950                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 951                           $wgLang->getNsText( NS_TALK ) );
 952
 953                         $tl = " ({$tl})";
 954
 955                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 956                           $n ) . "{$tl}<br />" .
 957                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 958                           "returnto={$rt}" ) . ' | ' .
 959                           $this->specialLink( 'preferences' );
 960                 }
 961                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 962                   wfMsg( 'help' ) );
 963
 964                 return $s;
 965         }
 966
 967         function getSearchLink() {
 968                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 969                 return $searchPage->getLocalURL();
 970         }
 971
 972         function escapeSearchLink() {
 973                 return htmlspecialchars( $this->getSearchLink() );
 974         }
 975
 976         function searchForm() {
 977                 global $wgRequest;
 978                 $search = $wgRequest->getText( 'search' );
 979
 980                 $s = '<form name="search" class="inline" method="post" action="'
 981                   . $this->escapeSearchLink() . "\">\n"
 982                   . '<input type="text" name="search" size="19" value="'
 983                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 984                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 985                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 986
 987                 return $s;
 988         }
 989
 990         function topLinks() {
 991                 global $wgOut;
 992                 $sep = " |\n";
 993
 994                 $s = $this->mainPageLink() . $sep
 995                   . $this->specialLink( 'recentchanges' );
 996
 997                 if ( $wgOut->isArticleRelated() ) {
 998                         $s .=  $sep . $this->editThisPage()
 999                           . $sep . $this->historyLink();
1000                 }
1001                 # Many people don't like this dropdown box
1002                 #$s .= $sep . $this->specialPagesList();
1003
1004                 $s .= $this->variantLinks();
1005
1006                 $s .= $this->extensionTabLinks();
1007
1008                 return $s;
1009         }
1010
1011         /**
1012          * Compatibility for extensions adding functionality through tabs.
1013          * Eventually these old skins should be replaced with SkinTemplate-based
1014          * versions, sigh...
1015          * @return string
1016          */
1017         function extensionTabLinks() {
1018                 $tabs = array();
1019                 $s = '';
1020                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1021                 foreach( $tabs as $tab ) {
1022                         $s .= ' | ' . Xml::element( 'a',
1023                                 array( 'href' => $tab['href'] ),
1024                                 $tab['text'] );
1025                 }
1026                 return $s;
1027         }
1028
1029         /**
1030          * Language/charset variant links for classic-style skins
1031          * @return string
1032          */
1033         function variantLinks() {
1034                 $s = '';
1035                 /* show links to different language variants */
1036                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1037                 $variants = $wgContLang->getVariants();
1038                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1039                         foreach( $variants as $code ) {
1040                                 $varname = $wgContLang->getVariantname( $code );
1041                                 if( $varname == 'disable' )
1042                                         continue;
1043                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1044                         }
1045                 }
1046                 return $s;
1047         }
1048
1049         function bottomLinks() {
1050                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1051                 $sep = " |\n";
1052
1053                 $s = '';
1054                 if ( $wgOut->isArticleRelated() ) {
1055                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1056                         if ( $wgUser->isLoggedIn() ) {
1057                                 $s .= $sep . $this->watchThisPage();
1058                         }
1059                         $s .= $sep . $this->talkLink()
1060                           . $sep . $this->historyLink()
1061                           . $sep . $this->whatLinksHere()
1062                           . $sep . $this->watchPageLinksLink();
1063
1064                         if ($wgUseTrackbacks)
1065                                 $s .= $sep . $this->trackbackLink();
1066
1067                         if ( $wgTitle->getNamespace() == NS_USER
1068                             || $wgTitle->getNamespace() == NS_USER_TALK )
1069
1070                         {
1071                                 $id=User::idFromName($wgTitle->getText());
1072                                 $ip=User::isIP($wgTitle->getText());
1073
1074                                 if($id || $ip) { # both anons and non-anons have contri list
1075                                         $s .= $sep . $this->userContribsLink();
1076                                 }
1077                                 if( $this->showEmailUser( $id ) ) {
1078                                         $s .= $sep . $this->emailUserLink();
1079                                 }
1080                         }
1081                         if ( $wgTitle->getArticleId() ) {
1082                                 $s .= "\n<br />";
1083                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1084                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1085                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1086                         }
1087                         $s .= "<br />\n" . $this->otherLanguages();
1088                 }
1089                 return $s;
1090         }
1091
1092         function pageStats() {
1093                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1094                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1095
1096                 $oldid = $wgRequest->getVal( 'oldid' );
1097                 $diff = $wgRequest->getVal( 'diff' );
1098                 if ( ! $wgOut->isArticle() ) { return ''; }
1099                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1100                 if ( 0 == $wgArticle->getID() ) { return ''; }
1101
1102                 $s = '';
1103                 if ( !$wgDisableCounters ) {
1104                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1105                         if ( $count ) {
1106                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1107                         }
1108                 }
1109
1110                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1111                     require_once('Credits.php');
1112                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1113                 } else {
1114                     $s .= $this->lastModified();
1115                 }
1116
1117                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1118                         $dbr = wfGetDB( DB_SLAVE );
1119                         $watchlist = $dbr->tableName( 'watchlist' );
1120                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1121                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1122                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1123                         $res = $dbr->query( $sql, 'Skin::pageStats');
1124                         $x = $dbr->fetchObject( $res );
1125
1126                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1127                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1128                         );
1129                 }
1130
1131                 return $s . ' ' .  $this->getCopyright();
1132         }
1133
1134         function getCopyright( $type = 'detect' ) {
1135                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1136
1137                 if ( $type == 'detect' ) {
1138                         $oldid = $wgRequest->getVal( 'oldid' );
1139                         $diff = $wgRequest->getVal( 'diff' );
1140
1141                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1142                                 $type = 'history';
1143                         } else {
1144                                 $type = 'normal';
1145                         }
1146                 }
1147
1148                 if ( $type == 'history' ) {
1149                         $msg = 'history_copyright';
1150                 } else {
1151                         $msg = 'copyright';
1152                 }
1153
1154                 $out = '';
1155                 if( $wgRightsPage ) {
1156                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1157                 } elseif( $wgRightsUrl ) {
1158                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1159                 } else {
1160                         # Give up now
1161                         return $out;
1162                 }
1163                 $out .= wfMsgForContent( $msg, $link );
1164                 return $out;
1165         }
1166
1167         function getCopyrightIcon() {
1168                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1169                 $out = '';
1170                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1171                         $out = $wgCopyrightIcon;
1172                 } else if ( $wgRightsIcon ) {
1173                         $icon = htmlspecialchars( $wgRightsIcon );
1174                         if ( $wgRightsUrl ) {
1175                                 $url = htmlspecialchars( $wgRightsUrl );
1176                                 $out .= '<a href="'.$url.'">';
1177                         }
1178                         $text = htmlspecialchars( $wgRightsText );
1179                         $out .= "<img src=\"$icon\" alt='$text' />";
1180                         if ( $wgRightsUrl ) {
1181                                 $out .= '</a>';
1182                         }
1183                 }
1184                 return $out;
1185         }
1186
1187         function getPoweredBy() {
1188                 global $wgStylePath;
1189                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1190                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1191                 return $img;
1192         }
1193
1194         function lastModified() {
1195                 global $wgLang, $wgArticle;
1196
1197                 $timestamp = $wgArticle->getTimestamp();
1198                 if ( $timestamp ) {
1199                         $d = $wgLang->date( $timestamp, true );
1200                         $t = $wgLang->time( $timestamp, true );
1201                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1202                 } else {
1203                         $s = '';
1204                 }
1205                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1206                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1207                 }
1208                 return $s;
1209         }
1210
1211         function logoText( $align = '' ) {
1212                 if ( '' != $align ) { $a = " align='{$align}'"; }
1213                 else { $a = ''; }
1214
1215                 $mp = wfMsg( 'mainpage' );
1216                 $mptitle = Title::newMainPage();
1217                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1218
1219                 $logourl = $this->getLogo();
1220                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1221                 return $s;
1222         }
1223
1224         /**
1225          * show a drop-down box of special pages
1226          */
1227         function specialPagesList() {
1228                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1229                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1230                 foreach ( $pages as $name => $page ) {
1231                         $pages[$name] = $page->getDescription();
1232                 }
1233
1234                 $go = wfMsg( 'go' );
1235                 $sp = wfMsg( 'specialpages' );
1236                 $spp = $wgContLang->specialPage( 'Specialpages' );
1237
1238                 $s = '<form id="specialpages" method="get" class="inline" ' .
1239                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1240                 $s .= "<select name=\"wpDropdown\">\n";
1241                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1242
1243
1244                 foreach ( $pages as $name => $desc ) {
1245                         $p = $wgContLang->specialPage( $name );
1246                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1247                 }
1248                 $s .= "</select>\n";
1249                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1250                 $s .= "</form>\n";
1251                 return $s;
1252         }
1253
1254         function mainPageLink() {
1255                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1256                 return $s;
1257         }
1258
1259         function copyrightLink() {
1260                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1261                   wfMsg( 'copyrightpagename' ) );
1262                 return $s;
1263         }
1264
1265         private function footerLink ( $desc, $page ) {
1266                 // if the link description has been set to "-" in the default language,
1267                 if ( wfMsgForContent( $desc )  == '-') {
1268                         // then it is disabled, for all languages.
1269                         return '';
1270                 } else {
1271                         // Otherwise, we display the link for the user, described in their
1272                         // language (which may or may not be the same as the default language),
1273                         // but we make the link target be the one site-wide page.
1274                         return $this->makeKnownLink( wfMsgForContent( $page ),
1275                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1276                 }
1277         }
1278
1279         function privacyLink() {
1280                 return $this->footerLink( 'privacy', 'privacypage' );
1281         }
1282
1283         function aboutLink() {
1284                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1285         }
1286
1287         function disclaimerLink() {
1288                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1289         }
1290
1291         function editThisPage() {
1292                 global $wgOut, $wgTitle;
1293
1294                 if ( !$wgOut->isArticleRelated() ) {
1295                         $s = wfMsg( 'protectedpage' );
1296                 } else {
1297                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1298                                 $t = wfMsg( 'editthispage' );
1299                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1300                                 $t = wfMsg( 'create-this-page' );
1301                         } else {
1302                                 $t = wfMsg( 'viewsource' );
1303                         }
1304
1305                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1306                 }
1307                 return $s;
1308         }
1309
1310         /**
1311          * Return URL options for the 'edit page' link.
1312          * This may include an 'oldid' specifier, if the current page view is such.
1313          *
1314          * @return string
1315          * @private
1316          */
1317         function editUrlOptions() {
1318                 global $wgArticle;
1319
1320                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1321                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1322                 } else {
1323                         return "action=edit";
1324                 }
1325         }
1326
1327         function deleteThisPage() {
1328                 global $wgUser, $wgTitle, $wgRequest;
1329
1330                 $diff = $wgRequest->getVal( 'diff' );
1331                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1332                         $t = wfMsg( 'deletethispage' );
1333
1334                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1335                 } else {
1336                         $s = '';
1337                 }
1338                 return $s;
1339         }
1340
1341         function protectThisPage() {
1342                 global $wgUser, $wgTitle, $wgRequest;
1343
1344                 $diff = $wgRequest->getVal( 'diff' );
1345                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1346                         if ( $wgTitle->isProtected() ) {
1347                                 $t = wfMsg( 'unprotectthispage' );
1348                                 $q = 'action=unprotect';
1349                         } else {
1350                                 $t = wfMsg( 'protectthispage' );
1351                                 $q = 'action=protect';
1352                         }
1353                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1354                 } else {
1355                         $s = '';
1356                 }
1357                 return $s;
1358         }
1359
1360         function watchThisPage() {
1361                 global $wgOut, $wgTitle;
1362                 ++$this->mWatchLinkNum;
1363
1364                 if ( $wgOut->isArticleRelated() ) {
1365                         if ( $wgTitle->userIsWatching() ) {
1366                                 $t = wfMsg( 'unwatchthispage' );
1367                                 $q = 'action=unwatch';
1368                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1369                         } else {
1370                                 $t = wfMsg( 'watchthispage' );
1371                                 $q = 'action=watch';
1372                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1373                         }
1374                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1375                 } else {
1376                         $s = wfMsg( 'notanarticle' );
1377                 }
1378                 return $s;
1379         }
1380
1381         function moveThisPage() {
1382                 global $wgTitle;
1383
1384                 if ( $wgTitle->userCan( 'move' ) ) {
1385                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1386                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1387                 } else {
1388                         // no message if page is protected - would be redundant
1389                         return '';
1390                 }
1391         }
1392
1393         function historyLink() {
1394                 global $wgTitle;
1395
1396                 return $this->makeKnownLinkObj( $wgTitle,
1397                   wfMsg( 'history' ), 'action=history' );
1398         }
1399
1400         function whatLinksHere() {
1401                 global $wgTitle;
1402
1403                 return $this->makeKnownLinkObj(
1404                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1405                         wfMsg( 'whatlinkshere' ) );
1406         }
1407
1408         function userContribsLink() {
1409                 global $wgTitle;
1410
1411                 return $this->makeKnownLinkObj(
1412                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1413                         wfMsg( 'contributions' ) );
1414         }
1415
1416         function showEmailUser( $id ) {
1417                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1418                 return $wgEnableEmail &&
1419                        $wgEnableUserEmail &&
1420                        $wgUser->isLoggedIn() && # show only to signed in users
1421                        0 != $id; # we can only email to non-anons ..
1422 #                      '' != $id->getEmail() && # who must have an email address stored ..
1423 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1424 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1425         }
1426
1427         function emailUserLink() {
1428                 global $wgTitle;
1429
1430                 return $this->makeKnownLinkObj(
1431                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1432                         wfMsg( 'emailuser' ) );
1433         }
1434
1435         function watchPageLinksLink() {
1436                 global $wgOut, $wgTitle;
1437
1438                 if ( ! $wgOut->isArticleRelated() ) {
1439                         return '(' . wfMsg( 'notanarticle' ) . ')';
1440                 } else {
1441                         return $this->makeKnownLinkObj(
1442                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1443                                 wfMsg( 'recentchangeslinked' ) );
1444                 }
1445         }
1446
1447         function trackbackLink() {
1448                 global $wgTitle;
1449
1450                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1451                         . wfMsg('trackbacklink') . "</a>";
1452         }
1453
1454         function otherLanguages() {
1455                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1456
1457                 if ( $wgHideInterlanguageLinks ) {
1458                         return '';
1459                 }
1460
1461                 $a = $wgOut->getLanguageLinks();
1462                 if ( 0 == count( $a ) ) {
1463                         return '';
1464                 }
1465
1466                 $s = wfMsg( 'otherlanguages' ) . ': ';
1467                 $first = true;
1468                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1469                 foreach( $a as $l ) {
1470                         if ( ! $first ) { $s .= ' | '; }
1471                         $first = false;
1472
1473                         $nt = Title::newFromText( $l );
1474                         $url = $nt->escapeFullURL();
1475                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1476
1477                         if ( '' == $text ) { $text = $l; }
1478                         $style = $this->getExternalLinkAttributes( $l, $text );
1479                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1480                 }
1481                 if($wgContLang->isRTL()) $s .= '</span>';
1482                 return $s;
1483         }
1484
1485         function bugReportsLink() {
1486                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1487                   wfMsg( 'bugreports' ) );
1488                 return $s;
1489         }
1490
1491         function talkLink() {
1492                 global $wgTitle;
1493
1494                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1495                         # No discussion links for special pages
1496                         return '';
1497                 }
1498
1499                 if( $wgTitle->isTalkPage() ) {
1500                         $link = $wgTitle->getSubjectPage();
1501                         switch( $link->getNamespace() ) {
1502                                 case NS_MAIN:
1503                                         $text = wfMsg( 'articlepage' );
1504                                         break;
1505                                 case NS_USER:
1506                                         $text = wfMsg( 'userpage' );
1507                                         break;
1508                                 case NS_PROJECT:
1509                                         $text = wfMsg( 'projectpage' );
1510                                         break;
1511                                 case NS_IMAGE:
1512                                         $text = wfMsg( 'imagepage' );
1513                                         break;
1514                                 case NS_MEDIAWIKI:
1515                                         $text = wfMsg( 'mediawikipage' );
1516                                         break;
1517                                 case NS_TEMPLATE:
1518                                         $text = wfMsg( 'templatepage' );
1519                                         break;
1520                                 case NS_HELP:
1521                                         $text = wfMsg( 'viewhelppage' );
1522                                         break;
1523                                 case NS_CATEGORY:
1524                                         $text = wfMsg( 'categorypage' );
1525                                         break;
1526                                 default:
1527                                         $text = wfMsg( 'articlepage' );
1528                         }
1529                 } else {
1530                         $link = $wgTitle->getTalkPage();
1531                         $text = wfMsg( 'talkpage' );
1532                 }
1533
1534                 $s = $this->makeLinkObj( $link, $text );
1535
1536                 return $s;
1537         }
1538
1539         function commentLink() {
1540                 global $wgTitle, $wgOut;
1541
1542                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1543                         return '';
1544                 }
1545
1546                 # __NEWSECTIONLINK___ changes behaviour here
1547                 # If it's present, the link points to this page, otherwise
1548                 # it points to the talk page
1549                 if( $wgTitle->isTalkPage() ) {
1550                         $title = $wgTitle;
1551                 } elseif( $wgOut->showNewSectionLink() ) {
1552                         $title = $wgTitle;
1553                 } else {
1554                         $title = $wgTitle->getTalkPage();
1555                 }
1556
1557                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1558         }
1559
1560         /* these are used extensively in SkinTemplate, but also some other places */
1561         static function makeMainPageUrl( $urlaction = '' ) {
1562                 $title = Title::newMainPage();
1563                 self::checkTitle( $title, '' );
1564                 return $title->getLocalURL( $urlaction );
1565         }
1566
1567         static function makeSpecialUrl( $name, $urlaction = '' ) {
1568                 $title = SpecialPage::getTitleFor( $name );
1569                 return $title->getLocalURL( $urlaction );
1570         }
1571
1572         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1573                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1574                 return $title->getLocalURL( $urlaction );
1575         }
1576
1577         static function makeI18nUrl( $name, $urlaction = '' ) {
1578                 $title = Title::newFromText( wfMsgForContent( $name ) );
1579                 self::checkTitle( $title, $name );
1580                 return $title->getLocalURL( $urlaction );
1581         }
1582
1583         static function makeUrl( $name, $urlaction = '' ) {
1584                 $title = Title::newFromText( $name );
1585                 self::checkTitle( $title, $name );
1586                 return $title->getLocalURL( $urlaction );
1587         }
1588
1589         # If url string starts with http, consider as external URL, else
1590         # internal
1591         static function makeInternalOrExternalUrl( $name ) {
1592                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1593                         return $name;
1594                 } else {
1595                         return self::makeUrl( $name );
1596                 }
1597         }
1598
1599         # this can be passed the NS number as defined in Language.php
1600         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1601                 $title = Title::makeTitleSafe( $namespace, $name );
1602                 self::checkTitle( $title, $name );
1603                 return $title->getLocalURL( $urlaction );
1604         }
1605
1606         /* these return an array with the 'href' and boolean 'exists' */
1607         static function makeUrlDetails( $name, $urlaction = '' ) {
1608                 $title = Title::newFromText( $name );
1609                 self::checkTitle( $title, $name );
1610                 return array(
1611                         'href' => $title->getLocalURL( $urlaction ),
1612                         'exists' => $title->getArticleID() != 0 ? true : false
1613                 );
1614         }
1615
1616         /**
1617          * Make URL details where the article exists (or at least it's convenient to think so)
1618          */
1619         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1620                 $title = Title::newFromText( $name );
1621                 self::checkTitle( $title, $name );
1622                 return array(
1623                         'href' => $title->getLocalURL( $urlaction ),
1624                         'exists' => true
1625                 );
1626         }
1627
1628         # make sure we have some title to operate on
1629         static function checkTitle( &$title, $name ) {
1630                 if( !is_object( $title ) ) {
1631                         $title = Title::newFromText( $name );
1632                         if( !is_object( $title ) ) {
1633                                 $title = Title::newFromText( '--error: link target missing--' );
1634                         }
1635                 }
1636         }
1637
1638         /**
1639          * Build an array that represents the sidebar(s), the navigation bar among them
1640          *
1641          * @return array
1642          * @private
1643          */
1644         function buildSidebar() {
1645                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1646                 global $wgLang, $wgContLang;
1647
1648                 $fname = 'SkinTemplate::buildSidebar';
1649
1650                 wfProfileIn( $fname );
1651
1652                 $key = wfMemcKey( 'sidebar' );
1653                 $cacheSidebar = $wgEnableSidebarCache &&
1654                         ($wgLang->getCode() == $wgContLang->getCode());
1655
1656                 if ($cacheSidebar) {
1657                         $cachedsidebar = $parserMemc->get( $key );
1658                         if ($cachedsidebar!="") {
1659                                 wfProfileOut($fname);
1660                                 return $cachedsidebar;
1661                         }
1662                 }
1663
1664                 $bar = array();
1665                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1666                 $heading = '';
1667                 foreach ($lines as $line) {
1668                         if (strpos($line, '*') !== 0)
1669                                 continue;
1670                         if (strpos($line, '**') !== 0) {
1671                                 $line = trim($line, '* ');
1672                                 $heading = $line;
1673                         } else {
1674                                 if (strpos($line, '|') !== false) { // sanity check
1675                                         $line = explode( '|' , trim($line, '* '), 2 );
1676                                         $link = wfMsgForContent( $line[0] );
1677                                         if ($link == '-')
1678                                                 continue;
1679                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1680                                                 $text = $line[1];
1681                                         if (wfEmptyMsg($line[0], $link))
1682                                                 $link = $line[0];
1683
1684                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1685                                                 $href = $link;
1686                                         } else {
1687                                                 $title = Title::newFromText( $link );
1688                                                 if ( $title ) {
1689                                                         $title = $title->fixSpecialName();
1690                                                         $href = $title->getLocalURL();
1691                                                 } else {
1692                                                         $href = 'INVALID-TITLE';
1693                                                 }
1694                                         }
1695
1696                                         $bar[$heading][] = array(
1697                                                 'text' => $text,
1698                                                 'href' => $href,
1699                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1700                                                 'active' => false
1701                                         );
1702                                 } else { continue; }
1703                         }
1704                 }
1705                 if ($cacheSidebar)
1706                         $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1707                 wfProfileOut( $fname );
1708                 return $bar;
1709         }
1710 }