includes/Skin.php

   1 <?php
   2 /**
   3  * @defgroup Skins Skins
   4  */
   5
   6 if ( ! defined( 'MEDIAWIKI' ) )
   7         die( 1 );
   8
   9 /**
  10  * The main skin class that provide methods and properties for all other skins.
  11  * This base class is also the "Standard" skin.
  12  *
  13  * See docs/skin.txt for more information.
  14  *
  15  * @ingroup Skins
  16  */
  17 class Skin extends Linker {
  18         /**#@+
  19          * @private
  20          */
  21         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  22         // How many search boxes have we made?  Avoid duplicate id's.
  23         protected $searchboxes = '';
  24         /**#@-*/
  25         protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
  26         protected $skinname = 'standard' ;
  27
  28         /** Constructor, call parent constructor */
  29         function Skin() { parent::__construct(); }
  30
  31         /**
  32          * Fetch the set of available skins.
  33          * @return array of strings
  34          * @static
  35          */
  36         static function getSkinNames() {
  37                 global $wgValidSkinNames;
  38                 static $skinsInitialised = false;
  39                 if ( !$skinsInitialised ) {
  40                         # Get a list of available skins
  41                         # Build using the regular expression '^(.*).php$'
  42                         # Array keys are all lower case, array value keep the case used by filename
  43                         #
  44                         wfProfileIn( __METHOD__ . '-init' );
  45                         global $wgStyleDirectory;
  46                         $skinDir = dir( $wgStyleDirectory );
  47
  48                         # while code from www.php.net
  49                         while (false !== ($file = $skinDir->read())) {
  50                                 // Skip non-PHP files, hidden files, and '.dep' includes
  51                                 $matches = array();
  52                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  53                                         $aSkin = $matches[1];
  54                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  55                                 }
  56                         }
  57                         $skinDir->close();
  58                         $skinsInitialised = true;
  59                         wfProfileOut( __METHOD__ . '-init' );
  60                 }
  61                 return $wgValidSkinNames;
  62         }
  63
  64         /**
  65          * Normalize a skin preference value to a form that can be loaded.
  66          * If a skin can't be found, it will fall back to the configured
  67          * default (or the old 'Classic' skin if that's broken).
  68          * @param string $key
  69          * @return string
  70          * @static
  71          */
  72         static function normalizeKey( $key ) {
  73                 global $wgDefaultSkin;
  74                 $skinNames = Skin::getSkinNames();
  75
  76                 if( $key == '' ) {
  77                         // Don't return the default immediately;
  78                         // in a misconfiguration we need to fall back.
  79                         $key = $wgDefaultSkin;
  80                 }
  81
  82                 if( isset( $skinNames[$key] ) ) {
  83                         return $key;
  84                 }
  85
  86                 // Older versions of the software used a numeric setting
  87                 // in the user preferences.
  88                 $fallback = array(
  89                         0 => $wgDefaultSkin,
  90                         1 => 'nostalgia',
  91                         2 => 'cologneblue' );
  92
  93                 if( isset( $fallback[$key] ) ){
  94                         $key = $fallback[$key];
  95                 }
  96
  97                 if( isset( $skinNames[$key] ) ) {
  98                         return $key;
  99                 } else {
 100                         return 'monobook';
 101                 }
 102         }
 103
 104         /**
 105          * Factory method for loading a skin of a given type
 106          * @param string $key 'monobook', 'standard', etc
 107          * @return Skin
 108          * @static
 109          */
 110         static function &newFromKey( $key ) {
 111                 global $wgStyleDirectory;
 112
 113                 $key = Skin::normalizeKey( $key );
 114
 115                 $skinNames = Skin::getSkinNames();
 116                 $skinName = $skinNames[$key];
 117                 $className = 'Skin'.ucfirst($key);
 118
 119                 # Grab the skin class and initialise it.
 120                 if ( !class_exists( $className ) ) {
 121                         // Preload base classes to work around APC/PHP5 bug
 122                         $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 123                         if( file_exists( $deps ) ) include_once( $deps );
 124                         require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 125
 126                         # Check if we got if not failback to default skin
 127                         if( !class_exists( $className ) ) {
 128                                 # DO NOT die if the class isn't found. This breaks maintenance
 129                                 # scripts and can cause a user account to be unrecoverable
 130                                 # except by SQL manipulation if a previously valid skin name
 131                                 # is no longer valid.
 132                                 wfDebug( "Skin class does not exist: $className\n" );
 133                                 $className = 'SkinMonobook';
 134                                 require_once( "{$wgStyleDirectory}/MonoBook.php" );
 135                         }
 136                 }
 137                 $skin = new $className;
 138                 return $skin;
 139         }
 140
 141         /** @return string path to the skin stylesheet */
 142         function getStylesheet() {
 143                 return 'common/wikistandard.css';
 144         }
 145
 146         /** @return string skin name */
 147         public function getSkinName() {
 148                 return $this->skinname;
 149         }
 150
 151         function qbSetting() {
 152                 global $wgOut, $wgUser;
 153
 154                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 155                 $q = $wgUser->getOption( 'quickbar', 0 );
 156                 return $q;
 157         }
 158
 159         function initPage( &$out ) {
 160                 global $wgFavicon, $wgAppleTouchIcon, $wgScriptPath, $wgScriptExtension;
 161
 162                 wfProfileIn( __METHOD__ );
 163
 164                 if( false !== $wgFavicon ) {
 165                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 166                 }
 167
 168                 if( false !== $wgAppleTouchIcon ) {
 169                         $out->addLink( array( 'rel' => 'apple-touch-icon', 'href' => $wgAppleTouchIcon ) );
 170                 }
 171
 172                 # OpenSearch description link
 173                 $out->addLink( array(
 174                         'rel' => 'search',
 175                         'type' => 'application/opensearchdescription+xml',
 176                         'href' => "$wgScriptPath/opensearch_desc{$wgScriptExtension}",
 177                         'title' => wfMsgForContent( 'opensearch-desc' ),
 178                 ));
 179
 180                 $this->addMetadataLinks($out);
 181
 182                 $this->mRevisionId = $out->mRevisionId;
 183
 184                 $this->preloadExistence();
 185
 186                 wfProfileOut( __METHOD__ );
 187         }
 188
 189         /**
 190          * Preload the existence of three commonly-requested pages in a single query
 191          */
 192         function preloadExistence() {
 193                 global $wgUser, $wgTitle;
 194
 195                 // User/talk link
 196                 $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
 197
 198                 // Other tab link
 199                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
 200                         // nothing
 201                 } elseif ( $wgTitle->isTalkPage() ) {
 202                         $titles[] = $wgTitle->getSubjectPage();
 203                 } else {
 204                         $titles[] = $wgTitle->getTalkPage();
 205                 }
 206
 207                 $lb = new LinkBatch( $titles );
 208                 $lb->execute();
 209         }
 210
 211         function addMetadataLinks( &$out ) {
 212                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 213                 global $wgRightsPage, $wgRightsUrl;
 214
 215                 if( $out->isArticleRelated() ) {
 216                         # note: buggy CC software only reads first "meta" link
 217                         if( $wgEnableCreativeCommonsRdf ) {
 218                                 $out->addMetadataLink( array(
 219                                         'title' => 'Creative Commons',
 220                                         'type' => 'application/rdf+xml',
 221                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 222                         }
 223                         if( $wgEnableDublinCoreRdf ) {
 224                                 $out->addMetadataLink( array(
 225                                         'title' => 'Dublin Core',
 226                                         'type' => 'application/rdf+xml',
 227                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 228                         }
 229                 }
 230                 $copyright = '';
 231                 if( $wgRightsPage ) {
 232                         $copy = Title::newFromText( $wgRightsPage );
 233                         if( $copy ) {
 234                                 $copyright = $copy->getLocalURL();
 235                         }
 236                 }
 237                 if( !$copyright && $wgRightsUrl ) {
 238                         $copyright = $wgRightsUrl;
 239                 }
 240                 if( $copyright ) {
 241                         $out->addLink( array(
 242                                 'rel' => 'copyright',
 243                                 'href' => $copyright ) );
 244                 }
 245         }
 246
 247         function outputPage( &$out ) {
 248                 global $wgDebugComments;
 249
 250                 wfProfileIn( __METHOD__ );
 251                 $this->initPage( $out );
 252
 253                 $out->out( $out->headElement() );
 254
 255                 $out->out( "\n<body" );
 256                 $ops = $this->getBodyOptions();
 257                 foreach ( $ops as $name => $val ) {
 258                         $out->out( " $name='$val'" );
 259                 }
 260                 $out->out( ">\n" );
 261                 if ( $wgDebugComments ) {
 262                         $out->out( "<!-- Wiki debugging output:\n" .
 263                           $out->mDebugtext . "-->\n" );
 264                 }
 265
 266                 $out->out( $this->beforeContent() );
 267
 268                 $out->out( $out->mBodytext . "\n" );
 269
 270                 $out->out( $this->afterContent() );
 271
 272                 $out->out( $this->bottomScripts() );
 273
 274                 $out->out( wfReportTime() );
 275
 276                 $out->out( "\n</body></html>" );
 277                 wfProfileOut( __METHOD__ );
 278         }
 279
 280         static function makeVariablesScript( $data ) {
 281                 global $wgJsMimeType;
 282
 283                 $r = "<script type= \"$wgJsMimeType\">/*<![CDATA[*/\n";
 284                 foreach ( $data as $name => $value ) {
 285                         $encValue = Xml::encodeJsVar( $value );
 286                         $r .= "var $name = $encValue;\n";
 287                 }
 288                 $r .= "/*]]>*/</script>\n";
 289
 290                 return $r;
 291         }
 292
 293         /**
 294          * Make a <script> tag containing global variables
 295          * @param array $data Associative array containing one element:
 296          *     skinname => the skin name
 297          * The odd calling convention is for backwards compatibility
 298          */
 299         static function makeGlobalVariablesScript( $data ) {
 300                 global $wgScript, $wgStylePath, $wgUser;
 301                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 302                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 303                 global $wgBreakFrames, $wgRequest, $wgVariantArticlePath, $wgActionPaths;
 304                 global $wgUseAjax, $wgAjaxWatch;
 305                 global $wgVersion, $wgEnableAPI, $wgEnableWriteAPI;
 306                 global $wgRestrictionTypes, $wgLivePreview;
 307                 global $wgMWSuggestTemplate, $wgDBname, $wgEnableMWSuggest;
 308
 309                 $ns = $wgTitle->getNamespace();
 310                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 311
 312                 $vars = array(
 313                         'skin' => $data['skinname'],
 314                         'stylepath' => $wgStylePath,
 315                         'wgArticlePath' => $wgArticlePath,
 316                         'wgScriptPath' => $wgScriptPath,
 317                         'wgScript' => $wgScript,
 318                         'wgVariantArticlePath' => $wgVariantArticlePath,
 319                         'wgActionPaths' => $wgActionPaths,
 320                         'wgServer' => $wgServer,
 321                         'wgCanonicalNamespace' => $nsname,
 322                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBkey() ),
 323                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 324                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 325                         'wgTitle' => $wgTitle->getText(),
 326                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 327                         'wgArticleId' => $wgTitle->getArticleId(),
 328                         'wgIsArticle' => $wgOut->isArticle(),
 329                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 330                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 331                         'wgUserLanguage' => $wgLang->getCode(),
 332                         'wgContentLanguage' => $wgContLang->getCode(),
 333                         'wgBreakFrames' => $wgBreakFrames,
 334                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 335                         'wgVersion' => $wgVersion,
 336                         'wgEnableAPI' => $wgEnableAPI,
 337                         'wgEnableWriteAPI' => $wgEnableWriteAPI,
 338                 );
 339
 340                 if( $wgUseAjax && $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false )){
 341                         $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
 342                         $vars['wgDBname'] = $wgDBname;
 343                         $vars['wgSearchNamespaces'] = SearchEngine::userNamespaces( $wgUser );
 344                         $vars['wgMWSuggestMessages'] = array( wfMsg('search-mwsuggest-enabled'), wfMsg('search-mwsuggest-disabled'));
 345                 }
 346
 347                 foreach( $wgRestrictionTypes as $type )
 348                         $vars['wgRestriction' . ucfirst( $type )] = $wgTitle->getRestrictions( $type );
 349
 350                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 351                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 352                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 353                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 354                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 355                 }
 356
 357                 if($wgUseAjax && $wgAjaxWatch && $wgUser->isLoggedIn() ) {
 358                         $msgs = (object)array();
 359                         foreach ( array( 'watch', 'unwatch', 'watching', 'unwatching' ) as $msgName ) {
 360                                 $msgs->{$msgName . 'Msg'} = wfMsg( $msgName );
 361                         }
 362                         $vars['wgAjaxWatch'] = $msgs;
 363                 }
 364
 365                 return self::makeVariablesScript( $vars );
 366         }
 367
 368         function getHeadScripts( $allowUserJs ) {
 369                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 370
 371                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 372
 373                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 374                 global $wgUseSiteJs;
 375                 if ($wgUseSiteJs) {
 376                         $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
 377                         $r .= "<script type=\"$wgJsMimeType\" src=\"".
 378                                 htmlspecialchars(self::makeUrl('-',
 379                                         "action=raw$jsCache&gen=js&useskin=" .
 380                                         urlencode( $this->getSkinName() ) ) ) .
 381                                 "\"><!-- site js --></script>\n";
 382                 }
 383                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 384                         $userpage = $wgUser->getUserPage();
 385                         $userjs = htmlspecialchars( self::makeUrl(
 386                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 387                                 'action=raw&ctype='.$wgJsMimeType));
 388                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 389                 }
 390                 return $r;
 391         }
 392
 393         /**
 394          * To make it harder for someone to slip a user a fake
 395          * user-JavaScript or user-CSS preview, a random token
 396          * is associated with the login session. If it's not
 397          * passed back with the preview request, we won't render
 398          * the code.
 399          *
 400          * @param string $action
 401          * @return bool
 402          * @private
 403          */
 404         function userCanPreview( $action ) {
 405                 global $wgTitle, $wgRequest, $wgUser;
 406
 407                 if( $action != 'submit' )
 408                         return false;
 409                 if( !$wgRequest->wasPosted() )
 410                         return false;
 411                 if( !$wgTitle->userCanEditCssJsSubpage() )
 412                         return false;
 413                 return $wgUser->matchEditToken(
 414                         $wgRequest->getVal( 'wpEditToken' ) );
 415         }
 416
 417         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 418         function getUserStylesheet() {
 419                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion, $wgOut;
 420                 $sheet = $this->getStylesheet();
 421                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 422                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 423                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 424                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 425
 426                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 427                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 428                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 429
 430                 $s .= $this->doGetUserStyles();
 431                 if($wgOut->isPrintable()) $s .= '@import "' . self::makeNSUrl( 'Print.css', $query, NS_MEDIAWIKI ) . "\";\n";
 432                 return $s."\n";
 433         }
 434
 435         /**
 436          * This returns MediaWiki:Common.js, and derived classes may add other JS.
 437          * Despite its name, it does *not* return any custom user JS from user
 438          * subpages.  The returned script is sitewide and publicly cacheable and
 439          * therefore must not include anything that varies according to user,
 440          * interface language, etc. (although it may vary by skin).  See
 441          * makeGlobalVariablesScript for things that can vary per page view and are
 442          * not cacheable.
 443          *
 444          * @return string Raw JavaScript to be returned
 445          */
 446         public function getUserJs() {
 447                 wfProfileIn( __METHOD__ );
 448
 449                 global $wgStylePath;
 450                 $s = "/* generated javascript */\n";
 451                 $s .= "var skin = '" . Xml::escapeJsString( $this->getSkinName() ) . "';\n";
 452                 $s .= "var stylepath = '" . Xml::escapeJsString( $wgStylePath ) . "';";
 453                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 454                 $commonJs = wfMsgForContent('common.js');
 455                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 456                         $s .= $commonJs;
 457                 }
 458                 wfProfileOut( __METHOD__ );
 459                 return $s;
 460         }
 461
 462         /**
 463          * Return html code that include User stylesheets
 464          */
 465         function getUserStyles() {
 466                 $s = "<style type='text/css'>\n";
 467                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 468                 $s .= $this->getUserStylesheet();
 469                 $s .= "/*]]>*/ /* */\n";
 470                 $s .= "</style>\n";
 471                 return $s;
 472         }
 473
 474         /**
 475          * Some styles that are set by user through the user settings interface.
 476          */
 477         function doGetUserStyles() {
 478                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 479
 480                 $s = '';
 481
 482                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 483                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 484                                 $s .= $wgRequest->getText('wpTextbox1');
 485                         } else {
 486                                 $userpage = $wgUser->getUserPage();
 487                                 $s.= '@import "'.self::makeUrl(
 488                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 489                                         'action=raw&ctype=text/css').'";'."\n";
 490                         }
 491                 }
 492
 493                 return $s . $this->reallyDoGetUserStyles();
 494         }
 495
 496         function reallyDoGetUserStyles() {
 497                 global $wgUser;
 498                 $s = '';
 499                 if (($undopt = $wgUser->getOption("underline")) < 2) {
 500                         $underline = $undopt ? 'underline' : 'none';
 501                         $s .= "a { text-decoration: $underline; }\n";
 502                 }
 503                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 504                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 505                 } else {
 506                         $s .= <<<END
 507 a.new, #quickbar a.new,
 508 a.stub, #quickbar a.stub {
 509         color: inherit;
 510 }
 511 a.new:after, #quickbar a.new:after {
 512         content: "?";
 513         color: #CC2200;
 514 }
 515 a.stub:after, #quickbar a.stub:after {
 516         content: "!";
 517         color: #772233;
 518 }
 519 END;
 520                 }
 521                 if( $wgUser->getOption( 'justify' ) ) {
 522                         $s .= "#article, #bodyContent, #mw_content { text-align: justify; }\n";
 523                 }
 524                 if( !$wgUser->getOption( 'showtoc' ) ) {
 525                         $s .= "#toc { display: none; }\n";
 526                 }
 527                 if( !$wgUser->getOption( 'editsection' ) ) {
 528                         $s .= ".editsection { display: none; }\n";
 529                 }
 530                 return $s;
 531         }
 532
 533         function getBodyOptions() {
 534                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 535
 536                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 537
 538                 if ( 0 != $wgTitle->getNamespace() ) {
 539                         $a = array( 'bgcolor' => '#ffffec' );
 540                 }
 541                 else $a = array( 'bgcolor' => '#FFFFFF' );
 542                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 543                   $wgTitle->userCan( 'edit' ) ) {
 544                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 545                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 546                         $a += array ('ondblclick' => $s);
 547
 548                 }
 549                 $a['onload'] = $wgOut->getOnloadHandler();
 550                 $a['class'] =
 551                         'mediawiki ns-'.$wgTitle->getNamespace().
 552                         ' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 553                         ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 554                 return $a;
 555         }
 556
 557         /**
 558          * URL to the logo
 559          */
 560         function getLogo() {
 561                 global $wgLogo;
 562                 return $wgLogo;
 563         }
 564
 565         /**
 566          * This will be called immediately after the <body> tag.  Split into
 567          * two functions to make it easier to subclass.
 568          */
 569         function beforeContent() {
 570                 return $this->doBeforeContent();
 571         }
 572
 573         function doBeforeContent() {
 574                 global $wgContLang;
 575                 $fname = 'Skin::doBeforeContent';
 576                 wfProfileIn( $fname );
 577
 578                 $s = '';
 579                 $qb = $this->qbSetting();
 580
 581                 if( $langlinks = $this->otherLanguages() ) {
 582                         $rows = 2;
 583                         $borderhack = '';
 584                 } else {
 585                         $rows = 1;
 586                         $langlinks = false;
 587                         $borderhack = 'class="top"';
 588                 }
 589
 590                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 591                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 592
 593                 $shove = ($qb != 0);
 594                 $left = ($qb == 1 || $qb == 3);
 595                 if($wgContLang->isRTL()) $left = !$left;
 596
 597                 if ( !$shove ) {
 598                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 599                           $this->logoText() . '</td>';
 600                 } elseif( $left ) {
 601                         $s .= $this->getQuickbarCompensator( $rows );
 602                 }
 603                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 604                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 605
 606                 $s .= $this->topLinks() ;
 607                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 608
 609                 $r = $wgContLang->isRTL() ? "left" : "right";
 610                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 611                 $s .= $this->nameAndLogin();
 612                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 613
 614                 if ( $langlinks ) {
 615                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 616                 }
 617
 618                 if ( $shove && !$left ) { # Right
 619                         $s .= $this->getQuickbarCompensator( $rows );
 620                 }
 621                 $s .= "</tr>\n</table>\n</div>\n";
 622                 $s .= "\n<div id='article'>\n";
 623
 624                 $notice = wfGetSiteNotice();
 625                 if( $notice ) {
 626                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 627                 }
 628                 $s .= $this->pageTitle();
 629                 $s .= $this->pageSubtitle() ;
 630                 $s .= $this->getCategories();
 631                 wfProfileOut( $fname );
 632                 return $s;
 633         }
 634
 635
 636         function getCategoryLinks() {
 637                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 638                 global $wgContLang, $wgUser;
 639
 640                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 641
 642                 # Separator
 643                 $sep = wfMsgHtml( 'catseparator' );
 644
 645                 // Use Unicode bidi embedding override characters,
 646                 // to make sure links don't smash each other up in ugly ways.
 647                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 648                 $embed = "<span dir='$dir'>";
 649                 $pop = '</span>';
 650
 651                 $allCats = $wgOut->getCategoryLinks();
 652                 $s = '';
 653                 $colon = wfMsgExt( 'colon-separator', 'escapenoentities' );
 654                 if ( !empty( $allCats['normal'] ) ) {
 655                         $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $allCats['normal'] ) . $pop;
 656
 657                         $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escapenoentities' ), count( $allCats['normal'] ) );
 658                         $s .= '<div id="mw-normal-catlinks">' .
 659                                 $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 660                                 . $colon . $t . '</div>';
 661                 }
 662
 663                 # Hidden categories
 664                 if ( isset( $allCats['hidden'] ) ) {
 665                         if ( $wgUser->getBoolOption( 'showhiddencats' ) ) {
 666                                 $class ='mw-hidden-cats-user-shown';
 667                         } elseif ( $wgTitle->getNamespace() == NS_CATEGORY ) {
 668                                 $class = 'mw-hidden-cats-ns-shown';
 669                         } else {
 670                                 $class = 'mw-hidden-cats-hidden';
 671                         }
 672                         $s .= "<div id=\"mw-hidden-catlinks\" class=\"$class\">" .
 673                                 wfMsgExt( 'hidden-categories', array( 'parsemag', 'escapenoentities' ), count( $allCats['hidden'] ) ) .
 674                                 $colon . $embed . implode( "$pop $sep $embed", $allCats['hidden'] ) . $pop .
 675                                 "</div>";
 676                 }
 677
 678                 # optional 'dmoz-like' category browser. Will be shown under the list
 679                 # of categories an article belong to
 680                 if($wgUseCategoryBrowser) {
 681                         $s .= '<br /><hr />';
 682
 683                         # get a big array of the parents tree
 684                         $parenttree = $wgTitle->getParentCategoryTree();
 685                         # Skin object passed by reference cause it can not be
 686                         # accessed under the method subfunction drawCategoryBrowser
 687                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 688                         # Clean out bogus first entry and sort them
 689                         unset($tempout[0]);
 690                         asort($tempout);
 691                         # Output one per line
 692                         $s .= implode("<br />\n", $tempout);
 693                 }
 694
 695                 return $s;
 696         }
 697
 698         /** Render the array as a serie of links.
 699          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 700          * @param &skin Object: skin passed by reference
 701          * @return String separated by &gt;, terminate with "\n"
 702          */
 703         function drawCategoryBrowser($tree, &$skin) {
 704                 $return = '';
 705                 foreach ($tree as $element => $parent) {
 706                         if (empty($parent)) {
 707                                 # element start a new list
 708                                 $return .= "\n";
 709                         } else {
 710                                 # grab the others elements
 711                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 712                         }
 713                         # add our current element to the list
 714                         $eltitle = Title::NewFromText($element);
 715                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 716                 }
 717                 return $return;
 718         }
 719
 720         function getCategories() {
 721                 $catlinks=$this->getCategoryLinks();
 722
 723                 $classes = 'catlinks';
 724
 725                 if( strpos( $catlinks, '<div id="mw-normal-catlinks">' ) === false &&
 726                         strpos( $catlinks, '<div id="mw-hidden-catlinks" class="mw-hidden-cats-hidden">' ) !== false ) {
 727                         $classes .= ' catlinks-allhidden';
 728                 }
 729
 730                 if( !empty( $catlinks ) ){
 731                         return "<div id='catlinks' class='$classes'>{$catlinks}</div>";
 732                 }
 733         }
 734
 735         function getQuickbarCompensator( $rows = 1 ) {
 736                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 737         }
 738
 739         /**
 740          * This gets called shortly before the \</body\> tag.
 741          * @return String HTML to be put before \</body\>
 742          */
 743         function afterContent() {
 744                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 745                 return $printfooter . $this->doAfterContent();
 746         }
 747
 748         /**
 749          * This gets called shortly before the \</body\> tag.
 750          * @return String HTML-wrapped JS code to be put before \</body\>
 751          */
 752         function bottomScripts() {
 753                 global $wgJsMimeType;
 754                 $bottomScriptText = "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 755                 wfRunHooks( 'SkinAfterBottomScripts', array( $this, &$bottomScriptText ) );
 756                 return $bottomScriptText;
 757         }
 758
 759         /** @return string Retrievied from HTML text */
 760         function printSource() {
 761                 global $wgTitle;
 762                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 763                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 764         }
 765
 766         function printFooter() {
 767                 return "<p>" .  $this->printSource() .
 768                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 769         }
 770
 771         /** overloaded by derived classes */
 772         function doAfterContent() { }
 773
 774         function pageTitleLinks() {
 775                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 776
 777                 $oldid = $wgRequest->getVal( 'oldid' );
 778                 $diff = $wgRequest->getVal( 'diff' );
 779                 $action = $wgRequest->getText( 'action' );
 780
 781                 $s = $this->printableLink();
 782                 $disclaimer = $this->disclaimerLink(); # may be empty
 783                 if( $disclaimer ) {
 784                         $s .= ' | ' . $disclaimer;
 785                 }
 786                 $privacy = $this->privacyLink(); # may be empty too
 787                 if( $privacy ) {
 788                         $s .= ' | ' . $privacy;
 789                 }
 790
 791                 if ( $wgOut->isArticleRelated() ) {
 792                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 793                                 $name = $wgTitle->getDBkey();
 794                                 $image = wfFindFile( $wgTitle );
 795                                 if( $image ) {
 796                                         $link = htmlspecialchars( $image->getURL() );
 797                                         $style = $this->getInternalLinkAttributes( $link, $name );
 798                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 799                                 }
 800                         }
 801                 }
 802                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 803                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 804                                         wfMsg( 'currentrev' ) );
 805                 }
 806
 807                 if ( $wgUser->getNewtalk() ) {
 808                         # do not show "You have new messages" text when we are viewing our
 809                         # own talk page
 810                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 811                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 812                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 813                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 814                                 # disable caching
 815                                 $wgOut->setSquidMaxage(0);
 816                                 $wgOut->enableClientCache(false);
 817                         }
 818                 }
 819
 820                 $undelete = $this->getUndeleteLink();
 821                 if( !empty( $undelete ) ) {
 822                         $s .= ' | '.$undelete;
 823                 }
 824                 return $s;
 825         }
 826
 827         function getUndeleteLink() {
 828                 global $wgUser, $wgTitle, $wgContLang, $wgLang, $action;
 829                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 830                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 831                         ($n = $wgTitle->isDeleted() ) )
 832                 {
 833                         if ( $wgUser->isAllowed( 'undelete' ) ) {
 834                                 $msg = 'thisisdeleted';
 835                         } else {
 836                                 $msg = 'viewdeleted';
 837                         }
 838                         return wfMsg( $msg,
 839                                 $this->makeKnownLinkObj(
 840                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 841                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $wgLang->formatNum( $n ) ) ) );
 842                 }
 843                 return '';
 844         }
 845
 846         function printableLink() {
 847                 global $wgOut, $wgFeedClasses, $wgRequest;
 848
 849                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 850
 851                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 852                 if( $wgOut->isSyndicated() ) {
 853                         foreach( $wgFeedClasses as $format => $class ) {
 854                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 855                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 856                         }
 857                 }
 858                 return $s;
 859         }
 860
 861         function pageTitle() {
 862                 global $wgOut;
 863                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 864                 return $s;
 865         }
 866
 867         function pageSubtitle() {
 868                 global $wgOut;
 869
 870                 $sub = $wgOut->getSubtitle();
 871                 if ( '' == $sub ) {
 872                         global $wgExtraSubtitle;
 873                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 874                 }
 875                 $subpages = $this->subPageSubtitle();
 876                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 877                 $s = "<p class='subtitle'>{$sub}</p>\n";
 878                 return $s;
 879         }
 880
 881         function subPageSubtitle() {
 882                 $subpages = '';
 883                 if(!wfRunHooks('SkinSubPageSubtitle', array(&$subpages)))
 884                         return $subpages;
 885
 886                 global $wgOut, $wgTitle;
 887                 if($wgOut->isArticle() && MWNamespace::hasSubpages( $wgTitle->getNamespace() )) {
 888                         $ptext=$wgTitle->getPrefixedText();
 889                         if(preg_match('/\//',$ptext)) {
 890                                 $links = explode('/',$ptext);
 891                                 array_pop( $links );
 892                                 $c = 0;
 893                                 $growinglink = '';
 894                                 $display = '';
 895                                 foreach($links as $link) {
 896                                         $growinglink .= $link;
 897                                         $display .= $link;
 898                                         $linkObj = Title::newFromText( $growinglink );
 899                                         if( is_object( $linkObj ) && $linkObj->exists() ){
 900                                                 $getlink = $this->makeKnownLinkObj( $linkObj, htmlspecialchars( $display ) );
 901                                                 $c++;
 902                                                 if ($c>1) {
 903                                                         $subpages .= ' | ';
 904                                                 } else  {
 905                                                         $subpages .= '&lt; ';
 906                                                 }
 907                                                 $subpages .= $getlink;
 908                                                 $display = '';
 909                                         } else {
 910                                                 $display .= '/';
 911                                         }
 912                                         $growinglink .= '/';
 913                                 }
 914                         }
 915                 }
 916                 return $subpages;
 917         }
 918
 919         /**
 920          * Returns true if the IP should be shown in the header
 921          */
 922         function showIPinHeader() {
 923                 global $wgShowIPinHeader;
 924                 return $wgShowIPinHeader && session_id() != '';
 925         }
 926
 927         function nameAndLogin() {
 928                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 929
 930                 $lo = $wgContLang->specialPage( 'Userlogout' );
 931
 932                 $s = '';
 933                 if ( $wgUser->isAnon() ) {
 934                         if( $this->showIPinHeader() ) {
 935                                 $n = wfGetIP();
 936
 937                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 938                                   $wgLang->getNsText( NS_TALK ) );
 939
 940                                 $s .= $n . ' ('.$tl.')';
 941                         } else {
 942                                 $s .= wfMsg('notloggedin');
 943                         }
 944
 945                         $rt = $wgTitle->getPrefixedURL();
 946                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 947                                 $q = '';
 948                         } else { $q = "returnto={$rt}"; }
 949
 950                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 951                                 ? 'nav-login-createaccount'
 952                                 : 'login';
 953                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 954                                 SpecialPage::getTitleFor( 'Userlogin' ),
 955                                 wfMsg( $loginlink ), $q );
 956                 } else {
 957                         $n = $wgUser->getName();
 958                         $rt = $wgTitle->getPrefixedURL();
 959                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 960                           $wgLang->getNsText( NS_TALK ) );
 961
 962                         $tl = " ({$tl})";
 963
 964                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 965                           $n ) . "{$tl}<br />" .
 966                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 967                           "returnto={$rt}" ) . ' | ' .
 968                           $this->specialLink( 'preferences' );
 969                 }
 970                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 971                   wfMsg( 'help' ) );
 972
 973                 return $s;
 974         }
 975
 976         function getSearchLink() {
 977                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 978                 return $searchPage->getLocalURL();
 979         }
 980
 981         function escapeSearchLink() {
 982                 return htmlspecialchars( $this->getSearchLink() );
 983         }
 984
 985         function searchForm() {
 986                 global $wgRequest;
 987                 $search = $wgRequest->getText( 'search' );
 988
 989                 $s = '<form id="searchform'.$this->searchboxes.'" name="search" class="inline" method="post" action="'
 990                   . $this->escapeSearchLink() . "\">\n"
 991                   . '<input type="text" id="searchInput'.$this->searchboxes.'" name="search" size="19" value="'
 992                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 993                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 994                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 995
 996                 // Ensure unique id's for search boxes made after the first
 997                 $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;
 998
 999                 return $s;
1000         }
1001
1002         function topLinks() {
1003                 global $wgOut;
1004                 $sep = " |\n";
1005
1006                 $s = $this->mainPageLink() . $sep
1007                   . $this->specialLink( 'recentchanges' );
1008
1009                 if ( $wgOut->isArticleRelated() ) {
1010                         $s .=  $sep . $this->editThisPage()
1011                           . $sep . $this->historyLink();
1012                 }
1013                 # Many people don't like this dropdown box
1014                 #$s .= $sep . $this->specialPagesList();
1015
1016                 $s .= $this->variantLinks();
1017
1018                 $s .= $this->extensionTabLinks();
1019
1020                 return $s;
1021         }
1022
1023         /**
1024          * Compatibility for extensions adding functionality through tabs.
1025          * Eventually these old skins should be replaced with SkinTemplate-based
1026          * versions, sigh...
1027          * @return string
1028          */
1029         function extensionTabLinks() {
1030                 $tabs = array();
1031                 $s = '';
1032                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
1033                 foreach( $tabs as $tab ) {
1034                         $s .= ' | ' . Xml::element( 'a',
1035                                 array( 'href' => $tab['href'] ),
1036                                 $tab['text'] );
1037                 }
1038                 return $s;
1039         }
1040
1041         /**
1042          * Language/charset variant links for classic-style skins
1043          * @return string
1044          */
1045         function variantLinks() {
1046                 $s = '';
1047                 /* show links to different language variants */
1048                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
1049                 $variants = $wgContLang->getVariants();
1050                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
1051                         foreach( $variants as $code ) {
1052                                 $varname = $wgContLang->getVariantname( $code );
1053                                 if( $varname == 'disable' )
1054                                         continue;
1055                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
1056                         }
1057                 }
1058                 return $s;
1059         }
1060
1061         function bottomLinks() {
1062                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1063                 $sep = " |\n";
1064
1065                 $s = '';
1066                 if ( $wgOut->isArticleRelated() ) {
1067                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1068                         if ( $wgUser->isLoggedIn() ) {
1069                                 $s .= $sep . $this->watchThisPage();
1070                         }
1071                         $s .= $sep . $this->talkLink()
1072                           . $sep . $this->historyLink()
1073                           . $sep . $this->whatLinksHere()
1074                           . $sep . $this->watchPageLinksLink();
1075
1076                         if ($wgUseTrackbacks)
1077                                 $s .= $sep . $this->trackbackLink();
1078
1079                         if ( $wgTitle->getNamespace() == NS_USER
1080                             || $wgTitle->getNamespace() == NS_USER_TALK )
1081
1082                         {
1083                                 $id=User::idFromName($wgTitle->getText());
1084                                 $ip=User::isIP($wgTitle->getText());
1085
1086                                 if($id || $ip) { # both anons and non-anons have contri list
1087                                         $s .= $sep . $this->userContribsLink();
1088                                 }
1089                                 if( $this->showEmailUser( $id ) ) {
1090                                         $s .= $sep . $this->emailUserLink();
1091                                 }
1092                         }
1093                         if ( $wgTitle->getArticleId() ) {
1094                                 $s .= "\n<br />";
1095                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1096                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1097                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1098                         }
1099                         $s .= "<br />\n" . $this->otherLanguages();
1100                 }
1101                 return $s;
1102         }
1103
1104         function pageStats() {
1105                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1106                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1107
1108                 $oldid = $wgRequest->getVal( 'oldid' );
1109                 $diff = $wgRequest->getVal( 'diff' );
1110                 if ( ! $wgOut->isArticle() ) { return ''; }
1111                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1112                 if ( 0 == $wgArticle->getID() ) { return ''; }
1113
1114                 $s = '';
1115                 if ( !$wgDisableCounters ) {
1116                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1117                         if ( $count ) {
1118                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1119                         }
1120                 }
1121
1122                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1123                     require_once('Credits.php');
1124                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1125                 } else {
1126                     $s .= $this->lastModified();
1127                 }
1128
1129                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1130                         $dbr = wfGetDB( DB_SLAVE );
1131                         $watchlist = $dbr->tableName( 'watchlist' );
1132                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1133                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBkey()) .
1134                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1135                         $res = $dbr->query( $sql, 'Skin::pageStats');
1136                         $x = $dbr->fetchObject( $res );
1137
1138                         $s .= ' ' . wfMsgExt( 'number_of_watching_users_pageview',
1139                                 array( 'parseinline' ), $wgLang->formatNum($x->n)
1140                         );
1141                 }
1142
1143                 return $s . ' ' .  $this->getCopyright();
1144         }
1145
1146         function getCopyright( $type = 'detect' ) {
1147                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1148
1149                 if ( $type == 'detect' ) {
1150                         $oldid = $wgRequest->getVal( 'oldid' );
1151                         $diff = $wgRequest->getVal( 'diff' );
1152
1153                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1154                                 $type = 'history';
1155                         } else {
1156                                 $type = 'normal';
1157                         }
1158                 }
1159
1160                 if ( $type == 'history' ) {
1161                         $msg = 'history_copyright';
1162                 } else {
1163                         $msg = 'copyright';
1164                 }
1165
1166                 $out = '';
1167                 if( $wgRightsPage ) {
1168                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1169                 } elseif( $wgRightsUrl ) {
1170                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1171                 } else {
1172                         # Give up now
1173                         return $out;
1174                 }
1175                 $out .= wfMsgForContent( $msg, $link );
1176                 return $out;
1177         }
1178
1179         function getCopyrightIcon() {
1180                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1181                 $out = '';
1182                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1183                         $out = $wgCopyrightIcon;
1184                 } else if ( $wgRightsIcon ) {
1185                         $icon = htmlspecialchars( $wgRightsIcon );
1186                         if ( $wgRightsUrl ) {
1187                                 $url = htmlspecialchars( $wgRightsUrl );
1188                                 $out .= '<a href="'.$url.'">';
1189                         }
1190                         $text = htmlspecialchars( $wgRightsText );
1191                         $out .= "<img src=\"$icon\" alt='$text' />";
1192                         if ( $wgRightsUrl ) {
1193                                 $out .= '</a>';
1194                         }
1195                 }
1196                 return $out;
1197         }
1198
1199         function getPoweredBy() {
1200                 global $wgStylePath;
1201                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1202                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1203                 return $img;
1204         }
1205
1206         function lastModified() {
1207                 global $wgLang, $wgArticle;
1208
1209                 $timestamp = $wgArticle->getTimestamp();
1210                 if ( $timestamp ) {
1211                         $d = $wgLang->date( $timestamp, true );
1212                         $t = $wgLang->time( $timestamp, true );
1213                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1214                 } else {
1215                         $s = '';
1216                 }
1217                 if ( wfGetLB()->getLaggedSlaveMode() ) {
1218                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1219                 }
1220                 return $s;
1221         }
1222
1223         function logoText( $align = '' ) {
1224                 if ( '' != $align ) { $a = " align='{$align}'"; }
1225                 else { $a = ''; }
1226
1227                 $mp = wfMsg( 'mainpage' );
1228                 $mptitle = Title::newMainPage();
1229                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1230
1231                 $logourl = $this->getLogo();
1232                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1233                 return $s;
1234         }
1235
1236         /**
1237          * show a drop-down box of special pages
1238          */
1239         function specialPagesList() {
1240                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1241                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1242                 foreach ( $pages as $name => $page ) {
1243                         $pages[$name] = $page->getDescription();
1244                 }
1245
1246                 $go = wfMsg( 'go' );
1247                 $sp = wfMsg( 'specialpages' );
1248                 $spp = $wgContLang->specialPage( 'Specialpages' );
1249
1250                 $s = '<form id="specialpages" method="get" class="inline" ' .
1251                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1252                 $s .= "<select name=\"wpDropdown\">\n";
1253                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1254
1255
1256                 foreach ( $pages as $name => $desc ) {
1257                         $p = $wgContLang->specialPage( $name );
1258                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1259                 }
1260                 $s .= "</select>\n";
1261                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1262                 $s .= "</form>\n";
1263                 return $s;
1264         }
1265
1266         function mainPageLink() {
1267                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1268                 return $s;
1269         }
1270
1271         function copyrightLink() {
1272                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1273                   wfMsg( 'copyrightpagename' ) );
1274                 return $s;
1275         }
1276
1277         private function footerLink ( $desc, $page ) {
1278                 // if the link description has been set to "-" in the default language,
1279                 if ( wfMsgForContent( $desc )  == '-') {
1280                         // then it is disabled, for all languages.
1281                         return '';
1282                 } else {
1283                         // Otherwise, we display the link for the user, described in their
1284                         // language (which may or may not be the same as the default language),
1285                         // but we make the link target be the one site-wide page.
1286                         return $this->makeKnownLink( wfMsgForContent( $page ),
1287                                 wfMsgExt( $desc, array( 'parsemag', 'escapenoentities' ) ) );
1288                 }
1289         }
1290
1291         function privacyLink() {
1292                 return $this->footerLink( 'privacy', 'privacypage' );
1293         }
1294
1295         function aboutLink() {
1296                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1297         }
1298
1299         function disclaimerLink() {
1300                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1301         }
1302
1303         function editThisPage() {
1304                 global $wgOut, $wgTitle;
1305
1306                 if ( !$wgOut->isArticleRelated() ) {
1307                         $s = wfMsg( 'protectedpage' );
1308                 } else {
1309                         if( $wgTitle->userCan( 'edit' ) && $wgTitle->exists() ) {
1310                                 $t = wfMsg( 'editthispage' );
1311                         } elseif( $wgTitle->userCan( 'create' ) && !$wgTitle->exists() ) {
1312                                 $t = wfMsg( 'create-this-page' );
1313                         } else {
1314                                 $t = wfMsg( 'viewsource' );
1315                         }
1316
1317                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1318                 }
1319                 return $s;
1320         }
1321
1322         /**
1323          * Return URL options for the 'edit page' link.
1324          * This may include an 'oldid' specifier, if the current page view is such.
1325          *
1326          * @return string
1327          * @private
1328          */
1329         function editUrlOptions() {
1330                 global $wgArticle;
1331
1332                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1333                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1334                 } else {
1335                         return "action=edit";
1336                 }
1337         }
1338
1339         function deleteThisPage() {
1340                 global $wgUser, $wgTitle, $wgRequest;
1341
1342                 $diff = $wgRequest->getVal( 'diff' );
1343                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1344                         $t = wfMsg( 'deletethispage' );
1345
1346                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1347                 } else {
1348                         $s = '';
1349                 }
1350                 return $s;
1351         }
1352
1353         function protectThisPage() {
1354                 global $wgUser, $wgTitle, $wgRequest;
1355
1356                 $diff = $wgRequest->getVal( 'diff' );
1357                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1358                         if ( $wgTitle->isProtected() ) {
1359                                 $t = wfMsg( 'unprotectthispage' );
1360                                 $q = 'action=unprotect';
1361                         } else {
1362                                 $t = wfMsg( 'protectthispage' );
1363                                 $q = 'action=protect';
1364                         }
1365                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1366                 } else {
1367                         $s = '';
1368                 }
1369                 return $s;
1370         }
1371
1372         function watchThisPage() {
1373                 global $wgOut, $wgTitle;
1374                 ++$this->mWatchLinkNum;
1375
1376                 if ( $wgOut->isArticleRelated() ) {
1377                         if ( $wgTitle->userIsWatching() ) {
1378                                 $t = wfMsg( 'unwatchthispage' );
1379                                 $q = 'action=unwatch';
1380                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1381                         } else {
1382                                 $t = wfMsg( 'watchthispage' );
1383                                 $q = 'action=watch';
1384                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1385                         }
1386                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1387                 } else {
1388                         $s = wfMsg( 'notanarticle' );
1389                 }
1390                 return $s;
1391         }
1392
1393         function moveThisPage() {
1394                 global $wgTitle;
1395
1396                 if ( $wgTitle->userCan( 'move' ) ) {
1397                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1398                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1399                 } else {
1400                         // no message if page is protected - would be redundant
1401                         return '';
1402                 }
1403         }
1404
1405         function historyLink() {
1406                 global $wgTitle;
1407
1408                 return $this->makeKnownLinkObj( $wgTitle,
1409                   wfMsg( 'history' ), 'action=history' );
1410         }
1411
1412         function whatLinksHere() {
1413                 global $wgTitle;
1414
1415                 return $this->makeKnownLinkObj(
1416                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1417                         wfMsg( 'whatlinkshere' ) );
1418         }
1419
1420         function userContribsLink() {
1421                 global $wgTitle;
1422
1423                 return $this->makeKnownLinkObj(
1424                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1425                         wfMsg( 'contributions' ) );
1426         }
1427
1428         function showEmailUser( $id ) {
1429                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1430                 return $wgEnableEmail &&
1431                        $wgEnableUserEmail &&
1432                        $wgUser->isLoggedIn() && # show only to signed in users
1433                        0 != $id; # we can only email to non-anons ..
1434 #                      '' != $id->getEmail() && # who must have an email address stored ..
1435 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1436 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1437         }
1438
1439         function emailUserLink() {
1440                 global $wgTitle;
1441
1442                 return $this->makeKnownLinkObj(
1443                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1444                         wfMsg( 'emailuser' ) );
1445         }
1446
1447         function watchPageLinksLink() {
1448                 global $wgOut, $wgTitle;
1449
1450                 if ( ! $wgOut->isArticleRelated() ) {
1451                         return '(' . wfMsg( 'notanarticle' ) . ')';
1452                 } else {
1453                         return $this->makeKnownLinkObj(
1454                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1455                                 wfMsg( 'recentchangeslinked' ) );
1456                 }
1457         }
1458
1459         function trackbackLink() {
1460                 global $wgTitle;
1461
1462                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1463                         . wfMsg('trackbacklink') . "</a>";
1464         }
1465
1466         function otherLanguages() {
1467                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1468
1469                 if ( $wgHideInterlanguageLinks ) {
1470                         return '';
1471                 }
1472
1473                 $a = $wgOut->getLanguageLinks();
1474                 if ( 0 == count( $a ) ) {
1475                         return '';
1476                 }
1477
1478                 $s = wfMsg( 'otherlanguages' ) . ': ';
1479                 $first = true;
1480                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1481                 foreach( $a as $l ) {
1482                         if ( ! $first ) { $s .= ' | '; }
1483                         $first = false;
1484
1485                         $nt = Title::newFromText( $l );
1486                         $url = $nt->escapeFullURL();
1487                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1488
1489                         if ( '' == $text ) { $text = $l; }
1490                         $style = $this->getExternalLinkAttributes( $l, $text );
1491                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1492                 }
1493                 if($wgContLang->isRTL()) $s .= '</span>';
1494                 return $s;
1495         }
1496
1497         function bugReportsLink() {
1498                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1499                   wfMsg( 'bugreports' ) );
1500                 return $s;
1501         }
1502
1503         function talkLink() {
1504                 global $wgTitle;
1505
1506                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1507                         # No discussion links for special pages
1508                         return '';
1509                 }
1510
1511                 if( $wgTitle->isTalkPage() ) {
1512                         $link = $wgTitle->getSubjectPage();
1513                         switch( $link->getNamespace() ) {
1514                                 case NS_MAIN:
1515                                         $text = wfMsg( 'articlepage' );
1516                                         break;
1517                                 case NS_USER:
1518                                         $text = wfMsg( 'userpage' );
1519                                         break;
1520                                 case NS_PROJECT:
1521                                         $text = wfMsg( 'projectpage' );
1522                                         break;
1523                                 case NS_IMAGE:
1524                                         $text = wfMsg( 'imagepage' );
1525                                         break;
1526                                 case NS_MEDIAWIKI:
1527                                         $text = wfMsg( 'mediawikipage' );
1528                                         break;
1529                                 case NS_TEMPLATE:
1530                                         $text = wfMsg( 'templatepage' );
1531                                         break;
1532                                 case NS_HELP:
1533                                         $text = wfMsg( 'viewhelppage' );
1534                                         break;
1535                                 case NS_CATEGORY:
1536                                         $text = wfMsg( 'categorypage' );
1537                                         break;
1538                                 default:
1539                                         $text = wfMsg( 'articlepage' );
1540                         }
1541                 } else {
1542                         $link = $wgTitle->getTalkPage();
1543                         $text = wfMsg( 'talkpage' );
1544                 }
1545
1546                 $s = $this->makeLinkObj( $link, $text );
1547
1548                 return $s;
1549         }
1550
1551         function commentLink() {
1552                 global $wgTitle, $wgOut;
1553
1554                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1555                         return '';
1556                 }
1557
1558                 # __NEWSECTIONLINK___ changes behaviour here
1559                 # If it's present, the link points to this page, otherwise
1560                 # it points to the talk page
1561                 if( $wgTitle->isTalkPage() ) {
1562                         $title = $wgTitle;
1563                 } elseif( $wgOut->showNewSectionLink() ) {
1564                         $title = $wgTitle;
1565                 } else {
1566                         $title = $wgTitle->getTalkPage();
1567                 }
1568
1569                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1570         }
1571
1572         /* these are used extensively in SkinTemplate, but also some other places */
1573         static function makeMainPageUrl( $urlaction = '' ) {
1574                 $title = Title::newMainPage();
1575                 self::checkTitle( $title, '' );
1576                 return $title->getLocalURL( $urlaction );
1577         }
1578
1579         static function makeSpecialUrl( $name, $urlaction = '' ) {
1580                 $title = SpecialPage::getTitleFor( $name );
1581                 return $title->getLocalURL( $urlaction );
1582         }
1583
1584         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1585                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1586                 return $title->getLocalURL( $urlaction );
1587         }
1588
1589         static function makeI18nUrl( $name, $urlaction = '' ) {
1590                 $title = Title::newFromText( wfMsgForContent( $name ) );
1591                 self::checkTitle( $title, $name );
1592                 return $title->getLocalURL( $urlaction );
1593         }
1594
1595         static function makeUrl( $name, $urlaction = '' ) {
1596                 $title = Title::newFromText( $name );
1597                 self::checkTitle( $title, $name );
1598                 return $title->getLocalURL( $urlaction );
1599         }
1600
1601         # If url string starts with http, consider as external URL, else
1602         # internal
1603         static function makeInternalOrExternalUrl( $name ) {
1604                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1605                         return $name;
1606                 } else {
1607                         return self::makeUrl( $name );
1608                 }
1609         }
1610
1611         # this can be passed the NS number as defined in Language.php
1612         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1613                 $title = Title::makeTitleSafe( $namespace, $name );
1614                 self::checkTitle( $title, $name );
1615                 return $title->getLocalURL( $urlaction );
1616         }
1617
1618         /* these return an array with the 'href' and boolean 'exists' */
1619         static function makeUrlDetails( $name, $urlaction = '' ) {
1620                 $title = Title::newFromText( $name );
1621                 self::checkTitle( $title, $name );
1622                 return array(
1623                         'href' => $title->getLocalURL( $urlaction ),
1624                         'exists' => $title->getArticleID() != 0 ? true : false
1625                 );
1626         }
1627
1628         /**
1629          * Make URL details where the article exists (or at least it's convenient to think so)
1630          */
1631         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1632                 $title = Title::newFromText( $name );
1633                 self::checkTitle( $title, $name );
1634                 return array(
1635                         'href' => $title->getLocalURL( $urlaction ),
1636                         'exists' => true
1637                 );
1638         }
1639
1640         # make sure we have some title to operate on
1641         static function checkTitle( &$title, $name ) {
1642                 if( !is_object( $title ) ) {
1643                         $title = Title::newFromText( $name );
1644                         if( !is_object( $title ) ) {
1645                                 $title = Title::newFromText( '--error: link target missing--' );
1646                         }
1647                 }
1648         }
1649
1650         /**
1651          * Build an array that represents the sidebar(s), the navigation bar among them
1652          *
1653          * @return array
1654          */
1655         function buildSidebar() {
1656                 global $parserMemc, $wgEnableSidebarCache, $wgSidebarCacheExpiry;
1657                 global $wgLang;
1658                 wfProfileIn( __METHOD__ );
1659
1660                 $key = wfMemcKey( 'sidebar', $wgLang->getCode() );
1661
1662                 if ( $wgEnableSidebarCache ) {
1663                         $cachedsidebar = $parserMemc->get( $key );
1664                         if ( $cachedsidebar ) {
1665                                 wfProfileOut( __METHOD__ );
1666                                 return $cachedsidebar;
1667                         }
1668                 }
1669
1670                 $bar = array();
1671                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1672                 $heading = '';
1673                 foreach ($lines as $line) {
1674                         if (strpos($line, '*') !== 0)
1675                                 continue;
1676                         if (strpos($line, '**') !== 0) {
1677                                 $line = trim($line, '* ');
1678                                 $heading = $line;
1679                         } else {
1680                                 if (strpos($line, '|') !== false) { // sanity check
1681                                         $line = array_map('trim', explode( '|' , trim($line, '* '), 2 ) );
1682                                         $link = wfMsgForContent( $line[0] );
1683                                         if ($link == '-')
1684                                                 continue;
1685                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1686                                                 $text = $line[1];
1687                                         if (wfEmptyMsg($line[0], $link))
1688                                                 $link = $line[0];
1689
1690                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1691                                                 $href = $link;
1692                                         } else {
1693                                                 $title = Title::newFromText( $link );
1694                                                 if ( $title ) {
1695                                                         $title = $title->fixSpecialName();
1696                                                         $href = $title->getLocalURL();
1697                                                 } else {
1698                                                         $href = 'INVALID-TITLE';
1699                                                 }
1700                                         }
1701
1702                                         $bar[$heading][] = array(
1703                                                 'text' => $text,
1704                                                 'href' => $href,
1705                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1706                                                 'active' => false
1707                                         );
1708                                 } else { continue; }
1709                         }
1710                 }
1711                 if ( $wgEnableSidebarCache ) $parserMemc->set( $key, $bar, $wgSidebarCacheExpiry );
1712                 wfProfileOut( __METHOD__ );
1713                 return $bar;
1714         }
1715 }