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