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