includes/Skin.php

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