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 $lastdate, $lastline;
  20         var $rc_cache ; # Cache for Enhanced Recent Changes
  21         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  22         var $rcMoveIndex;
  23         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  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                         // The old built-in skin
 101                         return 'standard';
 102                 }
 103         }
 104
 105         /**
 106          * Factory method for loading a skin of a given type
 107          * @param string $key 'monobook', 'standard', etc
 108          * @return Skin
 109          * @static
 110          */
 111         static function &newFromKey( $key ) {
 112                 global $wgStyleDirectory;
 113
 114                 $key = Skin::normalizeKey( $key );
 115
 116                 $skinNames = Skin::getSkinNames();
 117                 $skinName = $skinNames[$key];
 118
 119                 # Grab the skin class and initialise it.
 120                 // Preload base classes to work around APC/PHP5 bug
 121                 $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 122                 if( file_exists( $deps ) ) include_once( $deps );
 123                 require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 124
 125                 # Check if we got if not failback to default skin
 126                 $className = 'Skin'.$skinName;
 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                         $className = 'SkinStandard';
 134                         require_once( "{$wgStyleDirectory}/Standard.php" );
 135                 }
 136                 $skin = new $className;
 137                 return $skin;
 138         }
 139
 140         /** @return string path to the skin stylesheet */
 141         function getStylesheet() {
 142                 return 'common/wikistandard.css';
 143         }
 144
 145         /** @return string skin name */
 146         public function getSkinName() {
 147                 return $this->skinname;
 148         }
 149
 150         function qbSetting() {
 151                 global $wgOut, $wgUser;
 152
 153                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 154                 $q = $wgUser->getOption( 'quickbar', 0 );
 155                 return $q;
 156         }
 157
 158         function initPage( &$out ) {
 159                 global $wgFavicon, $wgScriptPath, $wgSitename, $wgLanguageCode, $wgLanguageNames;
 160
 161                 $fname = 'Skin::initPage';
 162                 wfProfileIn( $fname );
 163
 164                 if( false !== $wgFavicon ) {
 165                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 166                 }
 167
 168                 # OpenSearch description link
 169                 $out->addLink( array(
 170                         'rel' => 'search',
 171                         'type' => 'application/opensearchdescription+xml',
 172                         'href' => "$wgScriptPath/opensearch_desc.php",
 173                         'title' => "$wgSitename ({$wgLanguageNames[$wgLanguageCode]})",
 174                 ));
 175
 176                 $this->addMetadataLinks($out);
 177
 178                 $this->mRevisionId = $out->mRevisionId;
 179
 180                 $this->preloadExistence();
 181
 182                 wfProfileOut( $fname );
 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 $wgStylePath, $wgUser;
 297                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 298                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 299                 global $wgBreakFrames, $wgRequest;
 300
 301                 $ns = $wgTitle->getNamespace();
 302                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 303
 304                 $vars = array(
 305                         'skin' => $data['skinname'],
 306                         'stylepath' => $wgStylePath,
 307                         'wgArticlePath' => $wgArticlePath,
 308                         'wgScriptPath' => $wgScriptPath,
 309                         'wgServer' => $wgServer,
 310                         'wgCanonicalNamespace' => $nsname,
 311                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
 312                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 313                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 314                         'wgTitle' => $wgTitle->getText(),
 315                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 316                         'wgRestrictionEdit' => $wgTitle->getRestrictions( 'edit' ),
 317                         'wgRestrictionMove' => $wgTitle->getRestrictions( 'move' ),
 318                         'wgArticleId' => $wgTitle->getArticleId(),
 319                         'wgIsArticle' => $wgOut->isArticle(),
 320                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 321                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 322                         'wgUserLanguage' => $wgLang->getCode(),
 323                         'wgContentLanguage' => $wgContLang->getCode(),
 324                         'wgBreakFrames' => $wgBreakFrames,
 325                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 326                 );
 327
 328                 global $wgLivePreview;
 329                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 330                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 331                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 332                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 333                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 334                 }
 335
 336                 return self::makeVariablesScript( $vars );
 337         }
 338
 339         function getHeadScripts( $allowUserJs ) {
 340                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 341
 342                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 343
 344                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 345                 global $wgUseSiteJs;
 346                 if ($wgUseSiteJs) {
 347                         if ($wgUser->isLoggedIn()) {
 348                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 349                         } else {
 350                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 351                         }
 352                 }
 353                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 354                         $userpage = $wgUser->getUserPage();
 355                         $userjs = htmlspecialchars( self::makeUrl(
 356                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 357                                 'action=raw&ctype='.$wgJsMimeType));
 358                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 359                 }
 360                 return $r;
 361         }
 362
 363         /**
 364          * To make it harder for someone to slip a user a fake
 365          * user-JavaScript or user-CSS preview, a random token
 366          * is associated with the login session. If it's not
 367          * passed back with the preview request, we won't render
 368          * the code.
 369          *
 370          * @param string $action
 371          * @return bool
 372          * @private
 373          */
 374         function userCanPreview( $action ) {
 375                 global $wgTitle, $wgRequest, $wgUser;
 376
 377                 if( $action != 'submit' )
 378                         return false;
 379                 if( !$wgRequest->wasPosted() )
 380                         return false;
 381                 if( !$wgTitle->userCanEditCssJsSubpage() )
 382                         return false;
 383                 return $wgUser->matchEditToken(
 384                         $wgRequest->getVal( 'wpEditToken' ) );
 385         }
 386
 387         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 388         function getUserStylesheet() {
 389                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 390                 $sheet = $this->getStylesheet();
 391                 $s = "@import \"$wgStylePath/common/common.css?$wgStyleVersion\";\n";
 392                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 393                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 394
 395                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 396                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 397                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 398
 399                 $s .= $this->doGetUserStyles();
 400                 return $s."\n";
 401         }
 402
 403         /**
 404          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 405          * *not* return any custom user JS from user subpages.  Huh?
 406          *
 407          * @return string
 408          */
 409         function getUserJs() {
 410                 wfProfileIn( __METHOD__ );
 411
 412                 global $wgStylePath;
 413                 $s = "/* generated javascript */\n";
 414                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 415                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 416                 $commonJs = wfMsgForContent('common.js');
 417                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 418                         $s .= $commonJs;
 419                 }
 420
 421                 global $wgUseAjax, $wgAjaxWatch;
 422                 if($wgUseAjax && $wgAjaxWatch) {
 423                         $s .= "
 424
 425 /* AJAX (un)watch (see /skins/common/ajaxwatch.js) */
 426 var wgAjaxWatch = {
 427         watchMsg: '".       str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watch', array() ) )."',
 428         unwatchMsg: '".     str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatch', array() ) )."',
 429         watchingMsg: '".    str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watching', array() ) )."',
 430         unwatchingMsg: '".  str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatching', array() ) )."'
 431 };";
 432                 }
 433
 434                 wfProfileOut( __METHOD__ );
 435                 return $s;
 436         }
 437
 438         /**
 439          * Return html code that include User stylesheets
 440          */
 441         function getUserStyles() {
 442                 $s = "<style type='text/css'>\n";
 443                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 444                 $s .= $this->getUserStylesheet();
 445                 $s .= "/*]]>*/ /* */\n";
 446                 $s .= "</style>\n";
 447                 return $s;
 448         }
 449
 450         /**
 451          * Some styles that are set by user through the user settings interface.
 452          */
 453         function doGetUserStyles() {
 454                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 455
 456                 $s = '';
 457
 458                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 459                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 460                                 $s .= $wgRequest->getText('wpTextbox1');
 461                         } else {
 462                                 $userpage = $wgUser->getUserPage();
 463                                 $s.= '@import "'.self::makeUrl(
 464                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 465                                         'action=raw&ctype=text/css').'";'."\n";
 466                         }
 467                 }
 468
 469                 return $s . $this->reallyDoGetUserStyles();
 470         }
 471
 472         function reallyDoGetUserStyles() {
 473                 global $wgUser;
 474                 $s = '';
 475                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 476                         $underline = $undopt ? 'underline' : 'none';
 477                         $s .= "a { text-decoration: $underline; }\n";
 478                 }
 479                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 480                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 481                 } else {
 482                         $s .= <<<END
 483 a.new, #quickbar a.new,
 484 a.stub, #quickbar a.stub {
 485         color: inherit;
 486         text-decoration: inherit;
 487 }
 488 a.new:after, #quickbar a.new:after {
 489         content: "?";
 490         color: #CC2200;
 491         text-decoration: $underline;
 492 }
 493 a.stub:after, #quickbar a.stub:after {
 494         content: "!";
 495         color: #772233;
 496         text-decoration: $underline;
 497 }
 498 END;
 499                 }
 500                 if( $wgUser->getOption( 'justify' ) ) {
 501                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 502                 }
 503                 if( !$wgUser->getOption( 'showtoc' ) ) {
 504                         $s .= "#toc { display: none; }\n";
 505                 }
 506                 if( !$wgUser->getOption( 'editsection' ) ) {
 507                         $s .= ".editsection { display: none; }\n";
 508                 }
 509                 return $s;
 510         }
 511
 512         function getBodyOptions() {
 513                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 514
 515                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 516
 517                 if ( 0 != $wgTitle->getNamespace() ) {
 518                         $a = array( 'bgcolor' => '#ffffec' );
 519                 }
 520                 else $a = array( 'bgcolor' => '#FFFFFF' );
 521                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 522                   $wgTitle->userCan( 'edit' ) ) {
 523                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 524                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 525                         $a += array ('ondblclick' => $s);
 526
 527                 }
 528                 $a['onload'] = $wgOut->getOnloadHandler();
 529                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 530                         if( $a['onload'] != '' ) {
 531                                 $a['onload'] .= ';';
 532                         }
 533                         $a['onload'] .= 'setupRightClickEdit()';
 534                 }
 535                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 536                 ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 537                 return $a;
 538         }
 539
 540         /**
 541          * URL to the logo
 542          */
 543         function getLogo() {
 544                 global $wgLogo;
 545                 return $wgLogo;
 546         }
 547
 548         /**
 549          * This will be called immediately after the <body> tag.  Split into
 550          * two functions to make it easier to subclass.
 551          */
 552         function beforeContent() {
 553                 return $this->doBeforeContent();
 554         }
 555
 556         function doBeforeContent() {
 557                 global $wgContLang;
 558                 $fname = 'Skin::doBeforeContent';
 559                 wfProfileIn( $fname );
 560
 561                 $s = '';
 562                 $qb = $this->qbSetting();
 563
 564                 if( $langlinks = $this->otherLanguages() ) {
 565                         $rows = 2;
 566                         $borderhack = '';
 567                 } else {
 568                         $rows = 1;
 569                         $langlinks = false;
 570                         $borderhack = 'class="top"';
 571                 }
 572
 573                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 574                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 575
 576                 $shove = ($qb != 0);
 577                 $left = ($qb == 1 || $qb == 3);
 578                 if($wgContLang->isRTL()) $left = !$left;
 579
 580                 if ( !$shove ) {
 581                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 582                           $this->logoText() . '</td>';
 583                 } elseif( $left ) {
 584                         $s .= $this->getQuickbarCompensator( $rows );
 585                 }
 586                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 587                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 588
 589                 $s .= $this->topLinks() ;
 590                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 591
 592                 $r = $wgContLang->isRTL() ? "left" : "right";
 593                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 594                 $s .= $this->nameAndLogin();
 595                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 596
 597                 if ( $langlinks ) {
 598                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 599                 }
 600
 601                 if ( $shove && !$left ) { # Right
 602                         $s .= $this->getQuickbarCompensator( $rows );
 603                 }
 604                 $s .= "</tr>\n</table>\n</div>\n";
 605                 $s .= "\n<div id='article'>\n";
 606
 607                 $notice = wfGetSiteNotice();
 608                 if( $notice ) {
 609                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 610                 }
 611                 $s .= $this->pageTitle();
 612                 $s .= $this->pageSubtitle() ;
 613                 $s .= $this->getCategories();
 614                 wfProfileOut( $fname );
 615                 return $s;
 616         }
 617
 618
 619         function getCategoryLinks () {
 620                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 621                 global $wgContLang;
 622
 623                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 624
 625                 # Separator
 626                 $sep = wfMsgHtml( 'catseparator' );
 627
 628                 // Use Unicode bidi embedding override characters,
 629                 // to make sure links don't smash each other up in ugly ways.
 630                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 631                 $embed = "<span dir='$dir'>";
 632                 $pop = '</span>';
 633                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 634
 635                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 636                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 637                         . ': ' . $t;
 638
 639                 # optional 'dmoz-like' category browser. Will be shown under the list
 640                 # of categories an article belong to
 641                 if($wgUseCategoryBrowser) {
 642                         $s .= '<br /><hr />';
 643
 644                         # get a big array of the parents tree
 645                         $parenttree = $wgTitle->getParentCategoryTree();
 646                         # Skin object passed by reference cause it can not be
 647                         # accessed under the method subfunction drawCategoryBrowser
 648                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 649                         # Clean out bogus first entry and sort them
 650                         unset($tempout[0]);
 651                         asort($tempout);
 652                         # Output one per line
 653                         $s .= implode("<br />\n", $tempout);
 654                 }
 655
 656                 return $s;
 657         }
 658
 659         /** Render the array as a serie of links.
 660          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 661          * @param &skin Object: skin passed by reference
 662          * @return String separated by &gt;, terminate with "\n"
 663          */
 664         function drawCategoryBrowser($tree, &$skin) {
 665                 $return = '';
 666                 foreach ($tree as $element => $parent) {
 667                         if (empty($parent)) {
 668                                 # element start a new list
 669                                 $return .= "\n";
 670                         } else {
 671                                 # grab the others elements
 672                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 673                         }
 674                         # add our current element to the list
 675                         $eltitle = Title::NewFromText($element);
 676                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 677                 }
 678                 return $return;
 679         }
 680
 681         function getCategories() {
 682                 $catlinks=$this->getCategoryLinks();
 683                 if(!empty($catlinks)) {
 684                         return "<p class='catlinks'>{$catlinks}</p>";
 685                 }
 686         }
 687
 688         function getQuickbarCompensator( $rows = 1 ) {
 689                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 690         }
 691
 692         /**
 693          * This gets called shortly before the \</body\> tag.
 694          * @return String HTML to be put before \</body\>
 695          */
 696         function afterContent() {
 697                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 698                 return $printfooter . $this->doAfterContent();
 699         }
 700
 701         /**
 702          * This gets called shortly before the \</body\> tag.
 703          * @return String HTML-wrapped JS code to be put before \</body\>
 704          */
 705         function bottomScripts() {
 706                 global $wgJsMimeType;
 707                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 708         }
 709
 710         /** @return string Retrievied from HTML text */
 711         function printSource() {
 712                 global $wgTitle;
 713                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 714                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 715         }
 716
 717         function printFooter() {
 718                 return "<p>" .  $this->printSource() .
 719                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 720         }
 721
 722         /** overloaded by derived classes */
 723         function doAfterContent() { }
 724
 725         function pageTitleLinks() {
 726                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 727
 728                 $oldid = $wgRequest->getVal( 'oldid' );
 729                 $diff = $wgRequest->getVal( 'diff' );
 730                 $action = $wgRequest->getText( 'action' );
 731
 732                 $s = $this->printableLink();
 733                 $disclaimer = $this->disclaimerLink(); # may be empty
 734                 if( $disclaimer ) {
 735                         $s .= ' | ' . $disclaimer;
 736                 }
 737                 $privacy = $this->privacyLink(); # may be empty too
 738                 if( $privacy ) {
 739                         $s .= ' | ' . $privacy;
 740                 }
 741
 742                 if ( $wgOut->isArticleRelated() ) {
 743                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 744                                 $name = $wgTitle->getDBkey();
 745                                 $image = wfFindFile( $wgTitle );
 746                                 if( $image ) {
 747                                         $link = htmlspecialchars( $image->getURL() );
 748                                         $style = $this->getInternalLinkAttributes( $link, $name );
 749                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 750                                 }
 751                         }
 752                 }
 753                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 754                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 755                                         wfMsg( 'currentrev' ) );
 756                 }
 757
 758                 if ( $wgUser->getNewtalk() ) {
 759                         # do not show "You have new messages" text when we are viewing our
 760                         # own talk page
 761                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 762                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 763                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 764                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 765                                 # disable caching
 766                                 $wgOut->setSquidMaxage(0);
 767                                 $wgOut->enableClientCache(false);
 768                         }
 769                 }
 770
 771                 $undelete = $this->getUndeleteLink();
 772                 if( !empty( $undelete ) ) {
 773                         $s .= ' | '.$undelete;
 774                 }
 775                 return $s;
 776         }
 777
 778         function getUndeleteLink() {
 779                 global $wgUser, $wgTitle, $wgContLang, $action;
 780                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 781                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 782                         ($n = $wgTitle->isDeleted() ) )
 783                 {
 784                         if ( $wgUser->isAllowed( 'delete' ) ) {
 785                                 $msg = 'thisisdeleted';
 786                         } else {
 787                                 $msg = 'viewdeleted';
 788                         }
 789                         return wfMsg( $msg,
 790                                 $this->makeKnownLinkObj(
 791                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 792                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 793                 }
 794                 return '';
 795         }
 796
 797         function printableLink() {
 798                 global $wgOut, $wgFeedClasses, $wgRequest;
 799
 800                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 801
 802                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 803                 if( $wgOut->isSyndicated() ) {
 804                         foreach( $wgFeedClasses as $format => $class ) {
 805                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 806                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 807                         }
 808                 }
 809                 return $s;
 810         }
 811
 812         function pageTitle() {
 813                 global $wgOut;
 814                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 815                 return $s;
 816         }
 817
 818         function pageSubtitle() {
 819                 global $wgOut;
 820
 821                 $sub = $wgOut->getSubtitle();
 822                 if ( '' == $sub ) {
 823                         global $wgExtraSubtitle;
 824                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 825                 }
 826                 $subpages = $this->subPageSubtitle();
 827                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 828                 $s = "<p class='subtitle'>{$sub}</p>\n";
 829                 return $s;
 830         }
 831
 832         function subPageSubtitle() {
 833                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 834                 $subpages = '';
 835                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 836                         $ptext=$wgTitle->getPrefixedText();
 837                         if(preg_match('/\//',$ptext)) {
 838                                 $links = explode('/',$ptext);
 839                                 $c = 0;
 840                                 $growinglink = '';
 841                                 foreach($links as $link) {
 842                                         $c++;
 843                                         if ($c<count($links)) {
 844                                                 $growinglink .= $link;
 845                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 846                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 847                                                 if ($c>1) {
 848                                                         $subpages .= ' | ';
 849                                                 } else  {
 850                                                         $subpages .= '&lt; ';
 851                                                 }
 852                                                 $subpages .= $getlink;
 853                                                 $growinglink .= '/';
 854                                         }
 855                                 }
 856                         }
 857                 }
 858                 return $subpages;
 859         }
 860
 861         /**
 862          * Returns true if the IP should be shown in the header
 863          */
 864         function showIPinHeader() {
 865                 global $wgShowIPinHeader;
 866                 return $wgShowIPinHeader && session_id() != '';
 867         }
 868
 869         function nameAndLogin() {
 870                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 871
 872                 $lo = $wgContLang->specialPage( 'Userlogout' );
 873
 874                 $s = '';
 875                 if ( $wgUser->isAnon() ) {
 876                         if( $this->showIPinHeader() ) {
 877                                 $n = wfGetIP();
 878
 879                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 880                                   $wgLang->getNsText( NS_TALK ) );
 881
 882                                 $s .= $n . ' ('.$tl.')';
 883                         } else {
 884                                 $s .= wfMsg('notloggedin');
 885                         }
 886
 887                         $rt = $wgTitle->getPrefixedURL();
 888                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 889                                 $q = '';
 890                         } else { $q = "returnto={$rt}"; }
 891
 892                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 893                                 SpecialPage::getTitleFor( 'Userlogin' ),
 894                                 wfMsg( 'login' ), $q );
 895                 } else {
 896                         $n = $wgUser->getName();
 897                         $rt = $wgTitle->getPrefixedURL();
 898                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 899                           $wgLang->getNsText( NS_TALK ) );
 900
 901                         $tl = " ({$tl})";
 902
 903                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 904                           $n ) . "{$tl}<br />" .
 905                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 906                           "returnto={$rt}" ) . ' | ' .
 907                           $this->specialLink( 'preferences' );
 908                 }
 909                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 910                   wfMsg( 'help' ) );
 911
 912                 return $s;
 913         }
 914
 915         function getSearchLink() {
 916                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 917                 return $searchPage->getLocalURL();
 918         }
 919
 920         function escapeSearchLink() {
 921                 return htmlspecialchars( $this->getSearchLink() );
 922         }
 923
 924         function searchForm() {
 925                 global $wgRequest;
 926                 $search = $wgRequest->getText( 'search' );
 927
 928                 $s = '<form name="search" class="inline" method="post" action="'
 929                   . $this->escapeSearchLink() . "\">\n"
 930                   . '<input type="text" name="search" size="19" value="'
 931                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 932                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 933                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 934
 935                 return $s;
 936         }
 937
 938         function topLinks() {
 939                 global $wgOut;
 940                 $sep = " |\n";
 941
 942                 $s = $this->mainPageLink() . $sep
 943                   . $this->specialLink( 'recentchanges' );
 944
 945                 if ( $wgOut->isArticleRelated() ) {
 946                         $s .=  $sep . $this->editThisPage()
 947                           . $sep . $this->historyLink();
 948                 }
 949                 # Many people don't like this dropdown box
 950                 #$s .= $sep . $this->specialPagesList();
 951
 952                 $s .= $this->variantLinks();
 953
 954                 $s .= $this->extensionTabLinks();
 955
 956                 return $s;
 957         }
 958
 959         /**
 960          * Compatibility for extensions adding functionality through tabs.
 961          * Eventually these old skins should be replaced with SkinTemplate-based
 962          * versions, sigh...
 963          * @return string
 964          */
 965         function extensionTabLinks() {
 966                 $tabs = array();
 967                 $s = '';
 968                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 969                 foreach( $tabs as $tab ) {
 970                         $s .= ' | ' . Xml::element( 'a',
 971                                 array( 'href' => $tab['href'] ),
 972                                 $tab['text'] );
 973                 }
 974                 return $s;
 975         }
 976
 977         /**
 978          * Language/charset variant links for classic-style skins
 979          * @return string
 980          */
 981         function variantLinks() {
 982                 $s = '';
 983                 /* show links to different language variants */
 984                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 985                 $variants = $wgContLang->getVariants();
 986                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 987                         foreach( $variants as $code ) {
 988                                 $varname = $wgContLang->getVariantname( $code );
 989                                 if( $varname == 'disable' )
 990                                         continue;
 991                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 992                         }
 993                 }
 994                 return $s;
 995         }
 996
 997         function bottomLinks() {
 998                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 999                 $sep = " |\n";
1000
1001                 $s = '';
1002                 if ( $wgOut->isArticleRelated() ) {
1003                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1004                         if ( $wgUser->isLoggedIn() ) {
1005                                 $s .= $sep . $this->watchThisPage();
1006                         }
1007                         $s .= $sep . $this->talkLink()
1008                           . $sep . $this->historyLink()
1009                           . $sep . $this->whatLinksHere()
1010                           . $sep . $this->watchPageLinksLink();
1011
1012                         if ($wgUseTrackbacks)
1013                                 $s .= $sep . $this->trackbackLink();
1014
1015                         if ( $wgTitle->getNamespace() == NS_USER
1016                             || $wgTitle->getNamespace() == NS_USER_TALK )
1017
1018                         {
1019                                 $id=User::idFromName($wgTitle->getText());
1020                                 $ip=User::isIP($wgTitle->getText());
1021
1022                                 if($id || $ip) { # both anons and non-anons have contri list
1023                                         $s .= $sep . $this->userContribsLink();
1024                                 }
1025                                 if( $this->showEmailUser( $id ) ) {
1026                                         $s .= $sep . $this->emailUserLink();
1027                                 }
1028                         }
1029                         if ( $wgTitle->getArticleId() ) {
1030                                 $s .= "\n<br />";
1031                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1032                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1033                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1034                         }
1035                         $s .= "<br />\n" . $this->otherLanguages();
1036                 }
1037                 return $s;
1038         }
1039
1040         function pageStats() {
1041                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1042                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1043
1044                 $oldid = $wgRequest->getVal( 'oldid' );
1045                 $diff = $wgRequest->getVal( 'diff' );
1046                 if ( ! $wgOut->isArticle() ) { return ''; }
1047                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1048                 if ( 0 == $wgArticle->getID() ) { return ''; }
1049
1050                 $s = '';
1051                 if ( !$wgDisableCounters ) {
1052                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1053                         if ( $count ) {
1054                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1055                         }
1056                 }
1057
1058                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1059                     require_once('Credits.php');
1060                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1061                 } else {
1062                     $s .= $this->lastModified();
1063                 }
1064
1065                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1066                         $dbr = wfGetDB( DB_SLAVE );
1067                         $watchlist = $dbr->tableName( 'watchlist' );
1068                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1069                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1070                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1071                         $res = $dbr->query( $sql, 'Skin::pageStats');
1072                         $x = $dbr->fetchObject( $res );
1073                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1074                 }
1075
1076                 return $s . ' ' .  $this->getCopyright();
1077         }
1078
1079         function getCopyright( $type = 'detect' ) {
1080                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1081
1082                 if ( $type == 'detect' ) {
1083                         $oldid = $wgRequest->getVal( 'oldid' );
1084                         $diff = $wgRequest->getVal( 'diff' );
1085
1086                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1087                                 $type = 'history';
1088                         } else {
1089                                 $type = 'normal';
1090                         }
1091                 }
1092
1093                 if ( $type == 'history' ) {
1094                         $msg = 'history_copyright';
1095                 } else {
1096                         $msg = 'copyright';
1097                 }
1098
1099                 $out = '';
1100                 if( $wgRightsPage ) {
1101                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1102                 } elseif( $wgRightsUrl ) {
1103                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1104                 } else {
1105                         # Give up now
1106                         return $out;
1107                 }
1108                 $out .= wfMsgForContent( $msg, $link );
1109                 return $out;
1110         }
1111
1112         function getCopyrightIcon() {
1113                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1114                 $out = '';
1115                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1116                         $out = $wgCopyrightIcon;
1117                 } else if ( $wgRightsIcon ) {
1118                         $icon = htmlspecialchars( $wgRightsIcon );
1119                         if ( $wgRightsUrl ) {
1120                                 $url = htmlspecialchars( $wgRightsUrl );
1121                                 $out .= '<a href="'.$url.'">';
1122                         }
1123                         $text = htmlspecialchars( $wgRightsText );
1124                         $out .= "<img src=\"$icon\" alt='$text' />";
1125                         if ( $wgRightsUrl ) {
1126                                 $out .= '</a>';
1127                         }
1128                 }
1129                 return $out;
1130         }
1131
1132         function getPoweredBy() {
1133                 global $wgStylePath;
1134                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1135                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1136                 return $img;
1137         }
1138
1139         function lastModified() {
1140                 global $wgLang, $wgArticle, $wgLoadBalancer;
1141
1142                 $timestamp = $wgArticle->getTimestamp();
1143                 if ( $timestamp ) {
1144                         $d = $wgLang->date( $timestamp, true );
1145                         $t = $wgLang->time( $timestamp, true );
1146                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1147                 } else {
1148                         $s = '';
1149                 }
1150                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1151                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1152                 }
1153                 return $s;
1154         }
1155
1156         function logoText( $align = '' ) {
1157                 if ( '' != $align ) { $a = " align='{$align}'"; }
1158                 else { $a = ''; }
1159
1160                 $mp = wfMsg( 'mainpage' );
1161                 $mptitle = Title::newMainPage();
1162                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1163
1164                 $logourl = $this->getLogo();
1165                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1166                 return $s;
1167         }
1168
1169         /**
1170          * show a drop-down box of special pages
1171          */
1172         function specialPagesList() {
1173                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1174                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1175                 foreach ( $pages as $name => $page ) {
1176                         $pages[$name] = $page->getDescription();
1177                 }
1178
1179                 $go = wfMsg( 'go' );
1180                 $sp = wfMsg( 'specialpages' );
1181                 $spp = $wgContLang->specialPage( 'Specialpages' );
1182
1183                 $s = '<form id="specialpages" method="get" class="inline" ' .
1184                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1185                 $s .= "<select name=\"wpDropdown\">\n";
1186                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1187
1188
1189                 foreach ( $pages as $name => $desc ) {
1190                         $p = $wgContLang->specialPage( $name );
1191                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1192                 }
1193                 $s .= "</select>\n";
1194                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1195                 $s .= "</form>\n";
1196                 return $s;
1197         }
1198
1199         function mainPageLink() {
1200                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1201                 return $s;
1202         }
1203
1204         function copyrightLink() {
1205                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1206                   wfMsg( 'copyrightpagename' ) );
1207                 return $s;
1208         }
1209
1210         private function footerLink ( $desc, $page ) {
1211                 // if the link description has been set to "-" in the default language,
1212                 if ( wfMsgForContent( $desc )  == '-') {
1213                         // then it is disabled, for all languages.
1214                         return '';
1215                 } else {
1216                         // Otherwise, we display the link for the user, described in their
1217                         // language (which may or may not be the same as the default language),
1218                         // but we make the link target be the one site-wide page.
1219                         return $this->makeKnownLink( wfMsgForContent( $page ), wfMsg( $desc ) );
1220                 }
1221         }
1222
1223         function privacyLink() {
1224                 return $this->footerLink( 'privacy', 'privacypage' );
1225         }
1226
1227         function aboutLink() {
1228                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1229         }
1230
1231         function disclaimerLink() {
1232                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1233         }
1234
1235         function editThisPage() {
1236                 global $wgOut, $wgTitle;
1237
1238                 if ( ! $wgOut->isArticleRelated() ) {
1239                         $s = wfMsg( 'protectedpage' );
1240                 } else {
1241                         if ( $wgTitle->userCan( 'edit' ) ) {
1242                                 $t = wfMsg( 'editthispage' );
1243                         } else {
1244                                 $t = wfMsg( 'viewsource' );
1245                         }
1246
1247                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1248                 }
1249                 return $s;
1250         }
1251
1252         /**
1253          * Return URL options for the 'edit page' link.
1254          * This may include an 'oldid' specifier, if the current page view is such.
1255          *
1256          * @return string
1257          * @private
1258          */
1259         function editUrlOptions() {
1260                 global $wgArticle;
1261
1262                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1263                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1264                 } else {
1265                         return "action=edit";
1266                 }
1267         }
1268
1269         function deleteThisPage() {
1270                 global $wgUser, $wgTitle, $wgRequest;
1271
1272                 $diff = $wgRequest->getVal( 'diff' );
1273                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1274                         $t = wfMsg( 'deletethispage' );
1275
1276                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1277                 } else {
1278                         $s = '';
1279                 }
1280                 return $s;
1281         }
1282
1283         function protectThisPage() {
1284                 global $wgUser, $wgTitle, $wgRequest;
1285
1286                 $diff = $wgRequest->getVal( 'diff' );
1287                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1288                         if ( $wgTitle->isProtected() ) {
1289                                 $t = wfMsg( 'unprotectthispage' );
1290                                 $q = 'action=unprotect';
1291                         } else {
1292                                 $t = wfMsg( 'protectthispage' );
1293                                 $q = 'action=protect';
1294                         }
1295                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1296                 } else {
1297                         $s = '';
1298                 }
1299                 return $s;
1300         }
1301
1302         function watchThisPage() {
1303                 global $wgOut, $wgTitle;
1304                 ++$this->mWatchLinkNum;
1305
1306                 if ( $wgOut->isArticleRelated() ) {
1307                         if ( $wgTitle->userIsWatching() ) {
1308                                 $t = wfMsg( 'unwatchthispage' );
1309                                 $q = 'action=unwatch';
1310                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1311                         } else {
1312                                 $t = wfMsg( 'watchthispage' );
1313                                 $q = 'action=watch';
1314                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1315                         }
1316                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1317                 } else {
1318                         $s = wfMsg( 'notanarticle' );
1319                 }
1320                 return $s;
1321         }
1322
1323         function moveThisPage() {
1324                 global $wgTitle;
1325
1326                 if ( $wgTitle->userCan( 'move' ) ) {
1327                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1328                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1329                 } else {
1330                         // no message if page is protected - would be redundant
1331                         return '';
1332                 }
1333         }
1334
1335         function historyLink() {
1336                 global $wgTitle;
1337
1338                 return $this->makeKnownLinkObj( $wgTitle,
1339                   wfMsg( 'history' ), 'action=history' );
1340         }
1341
1342         function whatLinksHere() {
1343                 global $wgTitle;
1344
1345                 return $this->makeKnownLinkObj(
1346                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1347                         wfMsg( 'whatlinkshere' ) );
1348         }
1349
1350         function userContribsLink() {
1351                 global $wgTitle;
1352
1353                 return $this->makeKnownLinkObj(
1354                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1355                         wfMsg( 'contributions' ) );
1356         }
1357
1358         function showEmailUser( $id ) {
1359                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1360                 return $wgEnableEmail &&
1361                        $wgEnableUserEmail &&
1362                        $wgUser->isLoggedIn() && # show only to signed in users
1363                        0 != $id; # we can only email to non-anons ..
1364 #                      '' != $id->getEmail() && # who must have an email address stored ..
1365 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1366 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1367         }
1368
1369         function emailUserLink() {
1370                 global $wgTitle;
1371
1372                 return $this->makeKnownLinkObj(
1373                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1374                         wfMsg( 'emailuser' ) );
1375         }
1376
1377         function watchPageLinksLink() {
1378                 global $wgOut, $wgTitle;
1379
1380                 if ( ! $wgOut->isArticleRelated() ) {
1381                         return '(' . wfMsg( 'notanarticle' ) . ')';
1382                 } else {
1383                         return $this->makeKnownLinkObj(
1384                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1385                                 wfMsg( 'recentchangeslinked' ) );
1386                 }
1387         }
1388
1389         function trackbackLink() {
1390                 global $wgTitle;
1391
1392                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1393                         . wfMsg('trackbacklink') . "</a>";
1394         }
1395
1396         function otherLanguages() {
1397                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1398
1399                 if ( $wgHideInterlanguageLinks ) {
1400                         return '';
1401                 }
1402
1403                 $a = $wgOut->getLanguageLinks();
1404                 if ( 0 == count( $a ) ) {
1405                         return '';
1406                 }
1407
1408                 $s = wfMsg( 'otherlanguages' ) . ': ';
1409                 $first = true;
1410                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1411                 foreach( $a as $l ) {
1412                         if ( ! $first ) { $s .= ' | '; }
1413                         $first = false;
1414
1415                         $nt = Title::newFromText( $l );
1416                         $url = $nt->escapeFullURL();
1417                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1418
1419                         if ( '' == $text ) { $text = $l; }
1420                         $style = $this->getExternalLinkAttributes( $l, $text );
1421                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1422                 }
1423                 if($wgContLang->isRTL()) $s .= '</span>';
1424                 return $s;
1425         }
1426
1427         function bugReportsLink() {
1428                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1429                   wfMsg( 'bugreports' ) );
1430                 return $s;
1431         }
1432
1433         function talkLink() {
1434                 global $wgTitle;
1435
1436                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1437                         # No discussion links for special pages
1438                         return '';
1439                 }
1440
1441                 if( $wgTitle->isTalkPage() ) {
1442                         $link = $wgTitle->getSubjectPage();
1443                         switch( $link->getNamespace() ) {
1444                                 case NS_MAIN:
1445                                         $text = wfMsg( 'articlepage' );
1446                                         break;
1447                                 case NS_USER:
1448                                         $text = wfMsg( 'userpage' );
1449                                         break;
1450                                 case NS_PROJECT:
1451                                         $text = wfMsg( 'projectpage' );
1452                                         break;
1453                                 case NS_IMAGE:
1454                                         $text = wfMsg( 'imagepage' );
1455                                         break;
1456                                 case NS_MEDIAWIKI:
1457                                         $text = wfMsg( 'mediawikipage' );
1458                                         break;
1459                                 case NS_TEMPLATE:
1460                                         $text = wfMsg( 'templatepage' );
1461                                         break;
1462                                 case NS_HELP:
1463                                         $text = wfMsg( 'viewhelppage' );
1464                                         break;
1465                                 case NS_CATEGORY:
1466                                         $text = wfMsg( 'categorypage' );
1467                                         break;
1468                                 default:
1469                                         $text = wfMsg( 'articlepage' );
1470                         }
1471                 } else {
1472                         $link = $wgTitle->getTalkPage();
1473                         $text = wfMsg( 'talkpage' );
1474                 }
1475
1476                 $s = $this->makeLinkObj( $link, $text );
1477
1478                 return $s;
1479         }
1480
1481         function commentLink() {
1482                 global $wgTitle, $wgOut;
1483
1484                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1485                         return '';
1486                 }
1487
1488                 # __NEWSECTIONLINK___ changes behaviour here
1489                 # If it's present, the link points to this page, otherwise
1490                 # it points to the talk page
1491                 if( $wgTitle->isTalkPage() ) {
1492                         $title =& $wgTitle;
1493                 } elseif( $wgOut->showNewSectionLink() ) {
1494                         $title =& $wgTitle;
1495                 } else {
1496                         $title =& $wgTitle->getTalkPage();
1497                 }
1498
1499                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1500         }
1501
1502         /* these are used extensively in SkinTemplate, but also some other places */
1503         static function makeMainPageUrl( $urlaction = '' ) {
1504                 $title = Title::newMainPage();
1505                 self::checkTitle( $title, '' );
1506                 return $title->getLocalURL( $urlaction );
1507         }
1508
1509         static function makeSpecialUrl( $name, $urlaction = '' ) {
1510                 $title = SpecialPage::getTitleFor( $name );
1511                 return $title->getLocalURL( $urlaction );
1512         }
1513
1514         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1515                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1516                 return $title->getLocalURL( $urlaction );
1517         }
1518
1519         static function makeI18nUrl( $name, $urlaction = '' ) {
1520                 $title = Title::newFromText( wfMsgForContent( $name ) );
1521                 self::checkTitle( $title, $name );
1522                 return $title->getLocalURL( $urlaction );
1523         }
1524
1525         static function makeUrl( $name, $urlaction = '' ) {
1526                 $title = Title::newFromText( $name );
1527                 self::checkTitle( $title, $name );
1528                 return $title->getLocalURL( $urlaction );
1529         }
1530
1531         # If url string starts with http, consider as external URL, else
1532         # internal
1533         static function makeInternalOrExternalUrl( $name ) {
1534                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1535                         return $name;
1536                 } else {
1537                         return self::makeUrl( $name );
1538                 }
1539         }
1540
1541         # this can be passed the NS number as defined in Language.php
1542         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1543                 $title = Title::makeTitleSafe( $namespace, $name );
1544                 self::checkTitle( $title, $name );
1545                 return $title->getLocalURL( $urlaction );
1546         }
1547
1548         /* these return an array with the 'href' and boolean 'exists' */
1549         static function makeUrlDetails( $name, $urlaction = '' ) {
1550                 $title = Title::newFromText( $name );
1551                 self::checkTitle( $title, $name );
1552                 return array(
1553                         'href' => $title->getLocalURL( $urlaction ),
1554                         'exists' => $title->getArticleID() != 0 ? true : false
1555                 );
1556         }
1557
1558         /**
1559          * Make URL details where the article exists (or at least it's convenient to think so)
1560          */
1561         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1562                 $title = Title::newFromText( $name );
1563                 self::checkTitle( $title, $name );
1564                 return array(
1565                         'href' => $title->getLocalURL( $urlaction ),
1566                         'exists' => true
1567                 );
1568         }
1569
1570         # make sure we have some title to operate on
1571         static function checkTitle( &$title, $name ) {
1572                 if( !is_object( $title ) ) {
1573                         $title = Title::newFromText( $name );
1574                         if( !is_object( $title ) ) {
1575                                 $title = Title::newFromText( '--error: link target missing--' );
1576                         }
1577                 }
1578         }
1579
1580         /**
1581          * Build an array that represents the sidebar(s), the navigation bar among them
1582          *
1583          * @return array
1584          * @private
1585          */
1586         function buildSidebar() {
1587                 global $parserMemc, $wgEnableSidebarCache;
1588                 global $wgLang, $wgContLang;
1589
1590                 $fname = 'SkinTemplate::buildSidebar';
1591
1592                 wfProfileIn( $fname );
1593
1594                 $key = wfMemcKey( 'sidebar' );
1595                 $cacheSidebar = $wgEnableSidebarCache &&
1596                         ($wgLang->getCode() == $wgContLang->getCode());
1597
1598                 if ($cacheSidebar) {
1599                         $cachedsidebar = $parserMemc->get( $key );
1600                         if ($cachedsidebar!="") {
1601                                 wfProfileOut($fname);
1602                                 return $cachedsidebar;
1603                         }
1604                 }
1605
1606                 $bar = array();
1607                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1608                 foreach ($lines as $line) {
1609                         if (strpos($line, '*') !== 0)
1610                                 continue;
1611                         if (strpos($line, '**') !== 0) {
1612                                 $line = trim($line, '* ');
1613                                 $heading = $line;
1614                         } else {
1615                                 if (strpos($line, '|') !== false) { // sanity check
1616                                         $line = explode( '|' , trim($line, '* '), 2 );
1617                                         $link = wfMsgForContent( $line[0] );
1618                                         if ($link == '-')
1619                                                 continue;
1620                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1621                                                 $text = $line[1];
1622                                         if (wfEmptyMsg($line[0], $link))
1623                                                 $link = $line[0];
1624
1625                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1626                                                 $href = $link;
1627                                         } else {
1628                                                 $title = Title::newFromText( $link );
1629                                                 if ( $title ) {
1630                                                         $title = $title->fixSpecialName();
1631                                                         $href = $title->getLocalURL();
1632                                                 } else {
1633                                                         $href = 'INVALID-TITLE';
1634                                                 }
1635                                         }
1636
1637                                         $bar[$heading][] = array(
1638                                                 'text' => $text,
1639                                                 'href' => $href,
1640                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1641                                                 'active' => false
1642                                         );
1643                                 } else { continue; }
1644                         }
1645                 }
1646                 if ($cacheSidebar)
1647                         $parserMemc->set( $key, $bar, 86400 );
1648                 wfProfileOut( $fname );
1649                 return $bar;
1650         }
1651 }
1652 ?>