includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   4
   5 /**
   6  *
   7  * @addtogroup Skins
   8  */
   9
  10 # See skin.txt
  11
  12 /**
  13  * The main skin class that provide methods and properties for all other skins.
  14  * This base class is also the "Standard" skin.
  15  */
  16 class Skin extends Linker {
  17         /**#@+
  18          * @private
  19          */
  20         var $lastdate, $lastline;
  21         var $rc_cache ; # Cache for Enhanced Recent Changes
  22         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  23         var $rcMoveIndex;
  24         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  25         /**#@-*/
  26
  27         /** Constructor, call parent constructor */
  28         function Skin() { parent::__construct(); }
  29
  30         /**
  31          * Fetch the set of available skins.
  32          * @return array of strings
  33          * @static
  34          */
  35         static function getSkinNames() {
  36                 global $wgValidSkinNames;
  37                 static $skinsInitialised = false;
  38                 if ( !$skinsInitialised ) {
  39                         # Get a list of available skins
  40                         # Build using the regular expression '^(.*).php$'
  41                         # Array keys are all lower case, array value keep the case used by filename
  42                         #
  43                         wfProfileIn( __METHOD__ . '-init' );
  44                         global $wgStyleDirectory;
  45                         $skinDir = dir( $wgStyleDirectory );
  46
  47                         # while code from www.php.net
  48                         while (false !== ($file = $skinDir->read())) {
  49                                 // Skip non-PHP files, hidden files, and '.dep' includes
  50                                 $matches = array();
  51                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  52                                         $aSkin = $matches[1];
  53                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  54                                 }
  55                         }
  56                         $skinDir->close();
  57                         $skinsInitialised = true;
  58                         wfProfileOut( __METHOD__ . '-init' );
  59                 }
  60                 return $wgValidSkinNames;
  61         }
  62
  63         /**
  64          * Normalize a skin preference value to a form that can be loaded.
  65          * If a skin can't be found, it will fall back to the configured
  66          * default (or the old 'Classic' skin if that's broken).
  67          * @param string $key
  68          * @return string
  69          * @static
  70          */
  71         static function normalizeKey( $key ) {
  72                 global $wgDefaultSkin;
  73                 $skinNames = Skin::getSkinNames();
  74
  75                 if( $key == '' ) {
  76                         // Don't return the default immediately;
  77                         // in a misconfiguration we need to fall back.
  78                         $key = $wgDefaultSkin;
  79                 }
  80
  81                 if( isset( $skinNames[$key] ) ) {
  82                         return $key;
  83                 }
  84
  85                 // Older versions of the software used a numeric setting
  86                 // in the user preferences.
  87                 $fallback = array(
  88                         0 => $wgDefaultSkin,
  89                         1 => 'nostalgia',
  90                         2 => 'cologneblue' );
  91
  92                 if( isset( $fallback[$key] ) ){
  93                         $key = $fallback[$key];
  94                 }
  95
  96                 if( isset( $skinNames[$key] ) ) {
  97                         return $key;
  98                 } else {
  99                         // The old built-in skin
 100                         return 'standard';
 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
 118                 # Grab the skin class and initialise it.
 119                 // Preload base classes to work around APC/PHP5 bug
 120                 $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 121                 if( file_exists( $deps ) ) include_once( $deps );
 122                 require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 123
 124                 # Check if we got if not failback to default skin
 125                 $className = 'Skin'.$skinName;
 126                 if( !class_exists( $className ) ) {
 127                         # DO NOT die if the class isn't found. This breaks maintenance
 128                         # scripts and can cause a user account to be unrecoverable
 129                         # except by SQL manipulation if a previously valid skin name
 130                         # is no longer valid.
 131                         wfDebug( "Skin class does not exist: $className\n" );
 132                         $className = 'SkinStandard';
 133                         require_once( "{$wgStyleDirectory}/Standard.php" );
 134                 }
 135                 $skin = new $className;
 136                 return $skin;
 137         }
 138
 139         /** @return string path to the skin stylesheet */
 140         function getStylesheet() {
 141                 return 'common/wikistandard.css';
 142         }
 143
 144         /** @return string skin name */
 145         function getSkinName() {
 146                 return 'standard';
 147         }
 148
 149         function qbSetting() {
 150                 global $wgOut, $wgUser;
 151
 152                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 153                 $q = $wgUser->getOption( 'quickbar', 0 );
 154                 return $q;
 155         }
 156
 157         function initPage( &$out ) {
 158                 global $wgFavicon, $wgScriptPath, $wgSitename, $wgLanguageCode, $wgLanguageNames;
 159
 160                 $fname = 'Skin::initPage';
 161                 wfProfileIn( $fname );
 162
 163                 if( false !== $wgFavicon ) {
 164                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 165                 }
 166
 167                 # OpenSearch description link
 168                 $out->addLink( array(
 169                         'rel' => 'search',
 170                         'type' => 'application/opensearchdescription+xml',
 171                         'href' => "$wgScriptPath/opensearch_desc.php",
 172                         'title' => "$wgSitename ({$wgLanguageNames[$wgLanguageCode]})",
 173                 ));
 174
 175                 $this->addMetadataLinks($out);
 176
 177                 $this->mRevisionId = $out->mRevisionId;
 178
 179                 $this->preloadExistence();
 180
 181                 wfProfileOut( $fname );
 182         }
 183
 184         /**
 185          * Preload the existence of three commonly-requested pages in a single query
 186          */
 187         function preloadExistence() {
 188                 global $wgUser, $wgTitle;
 189
 190                 // User/talk link
 191                 $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
 192
 193                 // Other tab link
 194                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
 195                         // nothing
 196                 } elseif ( $wgTitle->isTalkPage() ) {
 197                         $titles[] = $wgTitle->getSubjectPage();
 198                 } else {
 199                         $titles[] = $wgTitle->getTalkPage();
 200                 }
 201
 202                 $lb = new LinkBatch( $titles );
 203                 $lb->execute();
 204         }
 205
 206         function addMetadataLinks( &$out ) {
 207                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 208                 global $wgRightsPage, $wgRightsUrl;
 209
 210                 if( $out->isArticleRelated() ) {
 211                         # note: buggy CC software only reads first "meta" link
 212                         if( $wgEnableCreativeCommonsRdf ) {
 213                                 $out->addMetadataLink( array(
 214                                         'title' => 'Creative Commons',
 215                                         'type' => 'application/rdf+xml',
 216                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 217                         }
 218                         if( $wgEnableDublinCoreRdf ) {
 219                                 $out->addMetadataLink( array(
 220                                         'title' => 'Dublin Core',
 221                                         'type' => 'application/rdf+xml',
 222                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 223                         }
 224                 }
 225                 $copyright = '';
 226                 if( $wgRightsPage ) {
 227                         $copy = Title::newFromText( $wgRightsPage );
 228                         if( $copy ) {
 229                                 $copyright = $copy->getLocalURL();
 230                         }
 231                 }
 232                 if( !$copyright && $wgRightsUrl ) {
 233                         $copyright = $wgRightsUrl;
 234                 }
 235                 if( $copyright ) {
 236                         $out->addLink( array(
 237                                 'rel' => 'copyright',
 238                                 'href' => $copyright ) );
 239                 }
 240         }
 241
 242         function outputPage( &$out ) {
 243                 global $wgDebugComments;
 244
 245                 wfProfileIn( __METHOD__ );
 246                 $this->initPage( $out );
 247
 248                 $out->out( $out->headElement() );
 249
 250                 $out->out( "\n<body" );
 251                 $ops = $this->getBodyOptions();
 252                 foreach ( $ops as $name => $val ) {
 253                         $out->out( " $name='$val'" );
 254                 }
 255                 $out->out( ">\n" );
 256                 if ( $wgDebugComments ) {
 257                         $out->out( "<!-- Wiki debugging output:\n" .
 258                           $out->mDebugtext . "-->\n" );
 259                 }
 260
 261                 $out->out( $this->beforeContent() );
 262
 263                 $out->out( $out->mBodytext . "\n" );
 264
 265                 $out->out( $this->afterContent() );
 266
 267                 $out->out( $this->bottomScripts() );
 268
 269                 $out->out( $out->reportTime() );
 270
 271                 $out->out( "\n</body></html>" );
 272                 wfProfileOut( __METHOD__ );
 273         }
 274
 275         static function makeVariablesScript( $data ) {
 276                 global $wgJsMimeType;
 277
 278                 $r = "<script type= \"$wgJsMimeType\">/*<![CDATA[*/\n";
 279                 foreach ( $data as $name => $value ) {
 280                         $encValue = Xml::encodeJsVar( $value );
 281                         $r .= "var $name = $encValue;\n";
 282                 }
 283                 $r .= "/*]]>*/</script>\n";
 284
 285                 return $r;
 286         }
 287
 288         /**
 289          * Make a <script> tag containing global variables
 290          * @param array $data Associative array containing one element:
 291          *     skinname => the skin name
 292          * The odd calling convention is for backwards compatibility
 293          */
 294         static function makeGlobalVariablesScript( $data ) {
 295                 global $wgStylePath, $wgUser;
 296                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 297                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 298                 global $wgBreakFrames;
 299
 300                 $ns = $wgTitle->getNamespace();
 301                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 302
 303                 $vars = array(
 304                         'skin' => $data['skinname'],
 305                         'stylepath' => $wgStylePath,
 306                         'wgArticlePath' => $wgArticlePath,
 307                         'wgScriptPath' => $wgScriptPath,
 308                         'wgServer' => $wgServer,
 309                         'wgCanonicalNamespace' => $nsname,
 310                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
 311                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 312                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 313                         'wgTitle' => $wgTitle->getText(),
 314                         'wgArticleId' => $wgTitle->getArticleId(),
 315                         'wgIsArticle' => $wgOut->isArticle(),
 316                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 317                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 318                         'wgUserLanguage' => $wgLang->getCode(),
 319                         'wgContentLanguage' => $wgContLang->getCode(),
 320                         'wgBreakFrames' => $wgBreakFrames,
 321                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 322                 );
 323
 324                 global $wgLivePreview;
 325                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 326                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 327                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 328                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 329                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 330                 }
 331
 332                 return self::makeVariablesScript( $vars );
 333         }
 334
 335         function getHeadScripts() {
 336                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType, $wgStyleVersion;
 337
 338                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 339
 340                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 341                 global $wgUseSiteJs;
 342                 if ($wgUseSiteJs) {
 343                         if ($wgUser->isLoggedIn()) {
 344                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 345                         } else {
 346                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 347                         }
 348                 }
 349                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 350                         $userpage = $wgUser->getUserPage();
 351                         $userjs = htmlspecialchars( self::makeUrl(
 352                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 353                                 'action=raw&ctype='.$wgJsMimeType));
 354                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 355                 }
 356                 return $r;
 357         }
 358
 359         /**
 360          * To make it harder for someone to slip a user a fake
 361          * user-JavaScript or user-CSS preview, a random token
 362          * is associated with the login session. If it's not
 363          * passed back with the preview request, we won't render
 364          * the code.
 365          *
 366          * @param string $action
 367          * @return bool
 368          * @private
 369          */
 370         function userCanPreview( $action ) {
 371                 global $wgTitle, $wgRequest, $wgUser;
 372
 373                 if( $action != 'submit' )
 374                         return false;
 375                 if( !$wgRequest->wasPosted() )
 376                         return false;
 377                 if( !$wgTitle->userCanEditCssJsSubpage() )
 378                         return false;
 379                 return $wgUser->matchEditToken(
 380                         $wgRequest->getVal( 'wpEditToken' ) );
 381         }
 382
 383         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 384         function getUserStylesheet() {
 385                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 386                 $sheet = $this->getStylesheet();
 387                 $s = "@import \"$wgStylePath/common/common.css?$wgStyleVersion\";\n";
 388                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 389                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 390
 391                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 392                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 393                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 394
 395                 $s .= $this->doGetUserStyles();
 396                 return $s."\n";
 397         }
 398
 399         /**
 400          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 401          * *not* return any custom user JS from user subpages.  Huh?
 402          *
 403          * @return string
 404          */
 405         function getUserJs() {
 406                 wfProfileIn( __METHOD__ );
 407
 408                 global $wgStylePath;
 409                 $s = "/* generated javascript */\n";
 410                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 411                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 412                 $commonJs = wfMsgForContent('common.js');
 413                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 414                         $s .= $commonJs;
 415                 }
 416
 417                 global $wgUseAjax, $wgAjaxWatch;
 418                 if($wgUseAjax && $wgAjaxWatch) {
 419                         $s .= "
 420
 421 /* AJAX (un)watch (see /skins/common/ajaxwatch.js) */
 422 var wgAjaxWatch = {
 423         watchMsg: '".       str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watch', array() ) )."',
 424         unwatchMsg: '".     str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatch', array() ) )."',
 425         watchingMsg: '".    str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watching', array() ) )."',
 426         unwatchingMsg: '".  str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatching', array() ) )."'
 427 };";
 428                 }
 429
 430                 wfProfileOut( __METHOD__ );
 431                 return $s;
 432     }
 433
 434         /**
 435          * Return html code that include User stylesheets
 436          */
 437         function getUserStyles() {
 438                 $s = "<style type='text/css'>\n";
 439                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 440                 $s .= $this->getUserStylesheet();
 441                 $s .= "/*]]>*/ /* */\n";
 442                 $s .= "</style>\n";
 443                 return $s;
 444         }
 445
 446         /**
 447          * Some styles that are set by user through the user settings interface.
 448          */
 449         function doGetUserStyles() {
 450                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 451
 452                 $s = '';
 453
 454                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 455                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 456                                 $s .= $wgRequest->getText('wpTextbox1');
 457                         } else {
 458                                 $userpage = $wgUser->getUserPage();
 459                                 $s.= '@import "'.self::makeUrl(
 460                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 461                                         'action=raw&ctype=text/css').'";'."\n";
 462                         }
 463                 }
 464
 465                 return $s . $this->reallyDoGetUserStyles();
 466         }
 467
 468         function reallyDoGetUserStyles() {
 469                 global $wgUser;
 470                 $s = '';
 471                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 472                         $underline = $undopt ? 'underline' : 'none';
 473                         $s .= "a { text-decoration: $underline; }\n";
 474                 }
 475                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 476                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 477                 } else {
 478                         $s .= <<<END
 479 a.new, #quickbar a.new,
 480 a.stub, #quickbar a.stub {
 481         color: inherit;
 482         text-decoration: inherit;
 483 }
 484 a.new:after, #quickbar a.new:after {
 485         content: "?";
 486         color: #CC2200;
 487         text-decoration: $underline;
 488 }
 489 a.stub:after, #quickbar a.stub:after {
 490         content: "!";
 491         color: #772233;
 492         text-decoration: $underline;
 493 }
 494 END;
 495                 }
 496                 if( $wgUser->getOption( 'justify' ) ) {
 497                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 498                 }
 499                 if( !$wgUser->getOption( 'showtoc' ) ) {
 500                         $s .= "#toc { display: none; }\n";
 501                 }
 502                 if( !$wgUser->getOption( 'editsection' ) ) {
 503                         $s .= ".editsection { display: none; }\n";
 504                 }
 505                 return $s;
 506         }
 507
 508         function getBodyOptions() {
 509                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 510
 511                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 512
 513                 if ( 0 != $wgTitle->getNamespace() ) {
 514                         $a = array( 'bgcolor' => '#ffffec' );
 515                 }
 516                 else $a = array( 'bgcolor' => '#FFFFFF' );
 517                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 518                   $wgTitle->userCan( 'edit' ) ) {
 519                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 520                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 521                         $a += array ('ondblclick' => $s);
 522
 523                 }
 524                 $a['onload'] = $wgOut->getOnloadHandler();
 525                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 526                         if( $a['onload'] != '' ) {
 527                                 $a['onload'] .= ';';
 528                         }
 529                         $a['onload'] .= 'setupRightClickEdit()';
 530                 }
 531                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 532                 ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 533                 return $a;
 534         }
 535
 536         /**
 537          * URL to the logo
 538          */
 539         function getLogo() {
 540                 global $wgLogo;
 541                 return $wgLogo;
 542         }
 543
 544         /**
 545          * This will be called immediately after the <body> tag.  Split into
 546          * two functions to make it easier to subclass.
 547          */
 548         function beforeContent() {
 549                 return $this->doBeforeContent();
 550         }
 551
 552         function doBeforeContent() {
 553                 global $wgContLang;
 554                 $fname = 'Skin::doBeforeContent';
 555                 wfProfileIn( $fname );
 556
 557                 $s = '';
 558                 $qb = $this->qbSetting();
 559
 560                 if( $langlinks = $this->otherLanguages() ) {
 561                         $rows = 2;
 562                         $borderhack = '';
 563                 } else {
 564                         $rows = 1;
 565                         $langlinks = false;
 566                         $borderhack = 'class="top"';
 567                 }
 568
 569                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 570                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 571
 572                 $shove = ($qb != 0);
 573                 $left = ($qb == 1 || $qb == 3);
 574                 if($wgContLang->isRTL()) $left = !$left;
 575
 576                 if ( !$shove ) {
 577                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 578                           $this->logoText() . '</td>';
 579                 } elseif( $left ) {
 580                         $s .= $this->getQuickbarCompensator( $rows );
 581                 }
 582                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 583                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 584
 585                 $s .= $this->topLinks() ;
 586                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 587
 588                 $r = $wgContLang->isRTL() ? "left" : "right";
 589                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 590                 $s .= $this->nameAndLogin();
 591                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 592
 593                 if ( $langlinks ) {
 594                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 595                 }
 596
 597                 if ( $shove && !$left ) { # Right
 598                         $s .= $this->getQuickbarCompensator( $rows );
 599                 }
 600                 $s .= "</tr>\n</table>\n</div>\n";
 601                 $s .= "\n<div id='article'>\n";
 602
 603                 $notice = wfGetSiteNotice();
 604                 if( $notice ) {
 605                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 606                 }
 607                 $s .= $this->pageTitle();
 608                 $s .= $this->pageSubtitle() ;
 609                 $s .= $this->getCategories();
 610                 wfProfileOut( $fname );
 611                 return $s;
 612         }
 613
 614
 615         function getCategoryLinks () {
 616                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 617                 global $wgContLang;
 618
 619                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 620
 621                 # Separator
 622                 $sep = wfMsgHtml( 'catseparator' );
 623
 624                 // Use Unicode bidi embedding override characters,
 625                 // to make sure links don't smash each other up in ugly ways.
 626                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 627                 $embed = "<span dir='$dir'>";
 628                 $pop = '</span>';
 629                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 630
 631                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 632                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 633                         . ': ' . $t;
 634
 635                 # optional 'dmoz-like' category browser. Will be shown under the list
 636                 # of categories an article belong to
 637                 if($wgUseCategoryBrowser) {
 638                         $s .= '<br /><hr />';
 639
 640                         # get a big array of the parents tree
 641                         $parenttree = $wgTitle->getParentCategoryTree();
 642                         # Skin object passed by reference cause it can not be
 643                         # accessed under the method subfunction drawCategoryBrowser
 644                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 645                         # Clean out bogus first entry and sort them
 646                         unset($tempout[0]);
 647                         asort($tempout);
 648                         # Output one per line
 649                         $s .= implode("<br />\n", $tempout);
 650                 }
 651
 652                 return $s;
 653         }
 654
 655         /** Render the array as a serie of links.
 656          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 657          * @param &skin Object: skin passed by reference
 658          * @return String separated by &gt;, terminate with "\n"
 659          */
 660         function drawCategoryBrowser($tree, &$skin) {
 661                 $return = '';
 662                 foreach ($tree as $element => $parent) {
 663                         if (empty($parent)) {
 664                                 # element start a new list
 665                                 $return .= "\n";
 666                         } else {
 667                                 # grab the others elements
 668                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 669                         }
 670                         # add our current element to the list
 671                         $eltitle = Title::NewFromText($element);
 672                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 673                 }
 674                 return $return;
 675         }
 676
 677         function getCategories() {
 678                 $catlinks=$this->getCategoryLinks();
 679                 if(!empty($catlinks)) {
 680                         return "<p class='catlinks'>{$catlinks}</p>";
 681                 }
 682         }
 683
 684         function getQuickbarCompensator( $rows = 1 ) {
 685                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 686         }
 687
 688         /**
 689          * This gets called shortly before the \</body\> tag.
 690          * @return String HTML to be put before \</body\>
 691          */
 692         function afterContent() {
 693                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 694                 return $printfooter . $this->doAfterContent();
 695         }
 696
 697         /**
 698          * This gets called shortly before the \</body\> tag.
 699          * @return String HTML-wrapped JS code to be put before \</body\>
 700          */
 701         function bottomScripts() {
 702                 global $wgJsMimeType;
 703                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 704         }
 705
 706         /** @return string Retrievied from HTML text */
 707         function printSource() {
 708                 global $wgTitle;
 709                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 710                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 711         }
 712
 713         function printFooter() {
 714                 return "<p>" .  $this->printSource() .
 715                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 716         }
 717
 718         /** overloaded by derived classes */
 719         function doAfterContent() { }
 720
 721         function pageTitleLinks() {
 722                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 723
 724                 $oldid = $wgRequest->getVal( 'oldid' );
 725                 $diff = $wgRequest->getVal( 'diff' );
 726                 $action = $wgRequest->getText( 'action' );
 727
 728                 $s = $this->printableLink();
 729                 $disclaimer = $this->disclaimerLink(); # may be empty
 730                 if( $disclaimer ) {
 731                         $s .= ' | ' . $disclaimer;
 732                 }
 733                 $privacy = $this->privacyLink(); # may be empty too
 734                 if( $privacy ) {
 735                         $s .= ' | ' . $privacy;
 736                 }
 737
 738                 if ( $wgOut->isArticleRelated() ) {
 739                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 740                                 $name = $wgTitle->getDBkey();
 741                                 $image = new Image( $wgTitle );
 742                                 if( $image->exists() ) {
 743                                         $link = htmlspecialchars( $image->getURL() );
 744                                         $style = $this->getInternalLinkAttributes( $link, $name );
 745                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 746                                 }
 747                         }
 748                 }
 749                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 750                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 751                                         wfMsg( 'currentrev' ) );
 752                 }
 753
 754                 if ( $wgUser->getNewtalk() ) {
 755                         # do not show "You have new messages" text when we are viewing our
 756                         # own talk page
 757                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 758                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 759                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 760                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 761                                 # disable caching
 762                                 $wgOut->setSquidMaxage(0);
 763                                 $wgOut->enableClientCache(false);
 764                         }
 765                 }
 766
 767                 $undelete = $this->getUndeleteLink();
 768                 if( !empty( $undelete ) ) {
 769                         $s .= ' | '.$undelete;
 770                 }
 771                 return $s;
 772         }
 773
 774         function getUndeleteLink() {
 775                 global $wgUser, $wgTitle, $wgContLang, $action;
 776                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 777                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 778                         ($n = $wgTitle->isDeleted() ) )
 779                 {
 780                         if ( $wgUser->isAllowed( 'delete' ) ) {
 781                                 $msg = 'thisisdeleted';
 782                         } else {
 783                                 $msg = 'viewdeleted';
 784                         }
 785                         return wfMsg( $msg,
 786                                 $this->makeKnownLinkObj(
 787                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 788                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 789                 }
 790                 return '';
 791         }
 792
 793         function printableLink() {
 794                 global $wgOut, $wgFeedClasses, $wgRequest;
 795
 796                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 797
 798                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 799                 if( $wgOut->isSyndicated() ) {
 800                         foreach( $wgFeedClasses as $format => $class ) {
 801                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 802                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 803                         }
 804                 }
 805                 return $s;
 806         }
 807
 808         function pageTitle() {
 809                 global $wgOut;
 810                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 811                 return $s;
 812         }
 813
 814         function pageSubtitle() {
 815                 global $wgOut;
 816
 817                 $sub = $wgOut->getSubtitle();
 818                 if ( '' == $sub ) {
 819                         global $wgExtraSubtitle;
 820                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 821                 }
 822                 $subpages = $this->subPageSubtitle();
 823                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 824                 $s = "<p class='subtitle'>{$sub}</p>\n";
 825                 return $s;
 826         }
 827
 828         function subPageSubtitle() {
 829                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 830                 $subpages = '';
 831                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 832                         $ptext=$wgTitle->getPrefixedText();
 833                         if(preg_match('/\//',$ptext)) {
 834                                 $links = explode('/',$ptext);
 835                                 $c = 0;
 836                                 $growinglink = '';
 837                                 foreach($links as $link) {
 838                                         $c++;
 839                                         if ($c<count($links)) {
 840                                                 $growinglink .= $link;
 841                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 842                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 843                                                 if ($c>1) {
 844                                                         $subpages .= ' | ';
 845                                                 } else  {
 846                                                         $subpages .= '&lt; ';
 847                                                 }
 848                                                 $subpages .= $getlink;
 849                                                 $growinglink .= '/';
 850                                         }
 851                                 }
 852                         }
 853                 }
 854                 return $subpages;
 855         }
 856
 857         /**
 858          * Returns true if the IP should be shown in the header
 859          */
 860         function showIPinHeader() {
 861                 global $wgShowIPinHeader;
 862                 return $wgShowIPinHeader && session_id() != '';
 863         }
 864
 865         function nameAndLogin() {
 866                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 867
 868                 $lo = $wgContLang->specialPage( 'Userlogout' );
 869
 870                 $s = '';
 871                 if ( $wgUser->isAnon() ) {
 872                         if( $this->showIPinHeader() ) {
 873                                 $n = wfGetIP();
 874
 875                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 876                                   $wgLang->getNsText( NS_TALK ) );
 877
 878                                 $s .= $n . ' ('.$tl.')';
 879                         } else {
 880                                 $s .= wfMsg('notloggedin');
 881                         }
 882
 883                         $rt = $wgTitle->getPrefixedURL();
 884                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 885                                 $q = '';
 886                         } else { $q = "returnto={$rt}"; }
 887
 888                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 889                                 SpecialPage::getTitleFor( 'Userlogin' ),
 890                                 wfMsg( 'login' ), $q );
 891                 } else {
 892                         $n = $wgUser->getName();
 893                         $rt = $wgTitle->getPrefixedURL();
 894                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 895                           $wgLang->getNsText( NS_TALK ) );
 896
 897                         $tl = " ({$tl})";
 898
 899                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 900                           $n ) . "{$tl}<br />" .
 901                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 902                           "returnto={$rt}" ) . ' | ' .
 903                           $this->specialLink( 'preferences' );
 904                 }
 905                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 906                   wfMsg( 'help' ) );
 907
 908                 return $s;
 909         }
 910
 911         function getSearchLink() {
 912                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 913                 return $searchPage->getLocalURL();
 914         }
 915
 916         function escapeSearchLink() {
 917                 return htmlspecialchars( $this->getSearchLink() );
 918         }
 919
 920         function searchForm() {
 921                 global $wgRequest;
 922                 $search = $wgRequest->getText( 'search' );
 923
 924                 $s = '<form name="search" class="inline" method="post" action="'
 925                   . $this->escapeSearchLink() . "\">\n"
 926                   . '<input type="text" name="search" size="19" value="'
 927                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 928                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 929                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 930
 931                 return $s;
 932         }
 933
 934         function topLinks() {
 935                 global $wgOut;
 936                 $sep = " |\n";
 937
 938                 $s = $this->mainPageLink() . $sep
 939                   . $this->specialLink( 'recentchanges' );
 940
 941                 if ( $wgOut->isArticleRelated() ) {
 942                         $s .=  $sep . $this->editThisPage()
 943                           . $sep . $this->historyLink();
 944                 }
 945                 # Many people don't like this dropdown box
 946                 #$s .= $sep . $this->specialPagesList();
 947
 948                 $s .= $this->variantLinks();
 949
 950                 $s .= $this->extensionTabLinks();
 951
 952                 return $s;
 953         }
 954
 955         /**
 956          * Compatibility for extensions adding functionality through tabs.
 957          * Eventually these old skins should be replaced with SkinTemplate-based
 958          * versions, sigh...
 959          * @return string
 960          */
 961         function extensionTabLinks() {
 962                 $tabs = array();
 963                 $s = '';
 964                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 965                 foreach( $tabs as $tab ) {
 966                         $s .= ' | ' . Xml::element( 'a',
 967                                 array( 'href' => $tab['href'] ),
 968                                 $tab['text'] );
 969                 }
 970                 return $s;
 971         }
 972
 973         /**
 974          * Language/charset variant links for classic-style skins
 975          * @return string
 976          */
 977         function variantLinks() {
 978                 $s = '';
 979                 /* show links to different language variants */
 980                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 981                 $variants = $wgContLang->getVariants();
 982                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 983                         foreach( $variants as $code ) {
 984                                 $varname = $wgContLang->getVariantname( $code );
 985                                 if( $varname == 'disable' )
 986                                         continue;
 987                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 988                         }
 989                 }
 990                 return $s;
 991         }
 992
 993         function bottomLinks() {
 994                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 995                 $sep = " |\n";
 996
 997                 $s = '';
 998                 if ( $wgOut->isArticleRelated() ) {
 999                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1000                         if ( $wgUser->isLoggedIn() ) {
1001                                 $s .= $sep . $this->watchThisPage();
1002                         }
1003                         $s .= $sep . $this->talkLink()
1004                           . $sep . $this->historyLink()
1005                           . $sep . $this->whatLinksHere()
1006                           . $sep . $this->watchPageLinksLink();
1007
1008                         if ($wgUseTrackbacks)
1009                                 $s .= $sep . $this->trackbackLink();
1010
1011                         if ( $wgTitle->getNamespace() == NS_USER
1012                             || $wgTitle->getNamespace() == NS_USER_TALK )
1013
1014                         {
1015                                 $id=User::idFromName($wgTitle->getText());
1016                                 $ip=User::isIP($wgTitle->getText());
1017
1018                                 if($id || $ip) { # both anons and non-anons have contri list
1019                                         $s .= $sep . $this->userContribsLink();
1020                                 }
1021                                 if( $this->showEmailUser( $id ) ) {
1022                                         $s .= $sep . $this->emailUserLink();
1023                                 }
1024                         }
1025                         if ( $wgTitle->getArticleId() ) {
1026                                 $s .= "\n<br />";
1027                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1028                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1029                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1030                         }
1031                         $s .= "<br />\n" . $this->otherLanguages();
1032                 }
1033                 return $s;
1034         }
1035
1036         function pageStats() {
1037                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1038                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1039
1040                 $oldid = $wgRequest->getVal( 'oldid' );
1041                 $diff = $wgRequest->getVal( 'diff' );
1042                 if ( ! $wgOut->isArticle() ) { return ''; }
1043                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1044                 if ( 0 == $wgArticle->getID() ) { return ''; }
1045
1046                 $s = '';
1047                 if ( !$wgDisableCounters ) {
1048                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1049                         if ( $count ) {
1050                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1051                         }
1052                 }
1053
1054                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1055                     require_once('Credits.php');
1056                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1057                 } else {
1058                     $s .= $this->lastModified();
1059                 }
1060
1061                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1062                         $dbr = wfGetDB( DB_SLAVE );
1063                         $watchlist = $dbr->tableName( 'watchlist' );
1064                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1065                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1066                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1067                         $res = $dbr->query( $sql, 'Skin::pageStats');
1068                         $x = $dbr->fetchObject( $res );
1069                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1070                 }
1071
1072                 return $s . ' ' .  $this->getCopyright();
1073         }
1074
1075         function getCopyright( $type = 'detect' ) {
1076                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1077
1078                 if ( $type == 'detect' ) {
1079                         $oldid = $wgRequest->getVal( 'oldid' );
1080                         $diff = $wgRequest->getVal( 'diff' );
1081
1082                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1083                                 $type = 'history';
1084                         } else {
1085                                 $type = 'normal';
1086                         }
1087                 }
1088
1089                 if ( $type == 'history' ) {
1090                         $msg = 'history_copyright';
1091                 } else {
1092                         $msg = 'copyright';
1093                 }
1094
1095                 $out = '';
1096                 if( $wgRightsPage ) {
1097                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1098                 } elseif( $wgRightsUrl ) {
1099                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1100                 } else {
1101                         # Give up now
1102                         return $out;
1103                 }
1104                 $out .= wfMsgForContent( $msg, $link );
1105                 return $out;
1106         }
1107
1108         function getCopyrightIcon() {
1109                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1110                 $out = '';
1111                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1112                         $out = $wgCopyrightIcon;
1113                 } else if ( $wgRightsIcon ) {
1114                         $icon = htmlspecialchars( $wgRightsIcon );
1115                         if ( $wgRightsUrl ) {
1116                                 $url = htmlspecialchars( $wgRightsUrl );
1117                                 $out .= '<a href="'.$url.'">';
1118                         }
1119                         $text = htmlspecialchars( $wgRightsText );
1120                         $out .= "<img src=\"$icon\" alt='$text' />";
1121                         if ( $wgRightsUrl ) {
1122                                 $out .= '</a>';
1123                         }
1124                 }
1125                 return $out;
1126         }
1127
1128         function getPoweredBy() {
1129                 global $wgStylePath;
1130                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1131                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1132                 return $img;
1133         }
1134
1135         function lastModified() {
1136                 global $wgLang, $wgArticle, $wgLoadBalancer;
1137
1138                 $timestamp = $wgArticle->getTimestamp();
1139                 if ( $timestamp ) {
1140                         $d = $wgLang->date( $timestamp, true );
1141                         $t = $wgLang->time( $timestamp, true );
1142                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1143                 } else {
1144                         $s = '';
1145                 }
1146                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1147                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1148                 }
1149                 return $s;
1150         }
1151
1152         function logoText( $align = '' ) {
1153                 if ( '' != $align ) { $a = " align='{$align}'"; }
1154                 else { $a = ''; }
1155
1156                 $mp = wfMsg( 'mainpage' );
1157                 $mptitle = Title::newMainPage();
1158                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1159
1160                 $logourl = $this->getLogo();
1161                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1162                 return $s;
1163         }
1164
1165         /**
1166          * show a drop-down box of special pages
1167          */
1168         function specialPagesList() {
1169                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1170                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1171                 foreach ( $pages as $name => $page ) {
1172                         $pages[$name] = $page->getDescription();
1173                 }
1174
1175                 $go = wfMsg( 'go' );
1176                 $sp = wfMsg( 'specialpages' );
1177                 $spp = $wgContLang->specialPage( 'Specialpages' );
1178
1179                 $s = '<form id="specialpages" method="get" class="inline" ' .
1180                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1181                 $s .= "<select name=\"wpDropdown\">\n";
1182                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1183
1184
1185                 foreach ( $pages as $name => $desc ) {
1186                         $p = $wgContLang->specialPage( $name );
1187                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1188                 }
1189                 $s .= "</select>\n";
1190                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1191                 $s .= "</form>\n";
1192                 return $s;
1193         }
1194
1195         function mainPageLink() {
1196                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1197                 return $s;
1198         }
1199
1200         function copyrightLink() {
1201                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1202                   wfMsg( 'copyrightpagename' ) );
1203                 return $s;
1204         }
1205
1206         private function footerLink ( $desc, $page ) {
1207                 // if the link description has been set to "-" in the default language,
1208                 if ( wfMsgForContent( $desc )  == '-') {
1209                         // then it is disabled, for all languages.
1210                         return '';
1211                 } else {
1212                         // Otherwise, we display the link for the user, described in their
1213                         // language (which may or may not be the same as the default language),
1214                         // but we make the link target be the one site-wide page.
1215                         return $this->makeKnownLink( wfMsgForContent( $page ), wfMsg( $desc ) );
1216                 }
1217         }
1218
1219         function privacyLink() {
1220                 return $this->footerLink( 'privacy', 'privacypage' );
1221         }
1222
1223         function aboutLink() {
1224                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1225         }
1226
1227         function disclaimerLink() {
1228                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1229         }
1230
1231         function editThisPage() {
1232                 global $wgOut, $wgTitle;
1233
1234                 if ( ! $wgOut->isArticleRelated() ) {
1235                         $s = wfMsg( 'protectedpage' );
1236                 } else {
1237                         if ( $wgTitle->userCan( 'edit' ) ) {
1238                                 $t = wfMsg( 'editthispage' );
1239                         } else {
1240                                 $t = wfMsg( 'viewsource' );
1241                         }
1242
1243                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1244                 }
1245                 return $s;
1246         }
1247
1248         /**
1249          * Return URL options for the 'edit page' link.
1250          * This may include an 'oldid' specifier, if the current page view is such.
1251          *
1252          * @return string
1253          * @private
1254          */
1255         function editUrlOptions() {
1256                 global $wgArticle;
1257
1258                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1259                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1260                 } else {
1261                         return "action=edit";
1262                 }
1263         }
1264
1265         function deleteThisPage() {
1266                 global $wgUser, $wgTitle, $wgRequest;
1267
1268                 $diff = $wgRequest->getVal( 'diff' );
1269                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1270                         $t = wfMsg( 'deletethispage' );
1271
1272                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1273                 } else {
1274                         $s = '';
1275                 }
1276                 return $s;
1277         }
1278
1279         function protectThisPage() {
1280                 global $wgUser, $wgTitle, $wgRequest;
1281
1282                 $diff = $wgRequest->getVal( 'diff' );
1283                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1284                         if ( $wgTitle->isProtected() ) {
1285                                 $t = wfMsg( 'unprotectthispage' );
1286                                 $q = 'action=unprotect';
1287                         } else {
1288                                 $t = wfMsg( 'protectthispage' );
1289                                 $q = 'action=protect';
1290                         }
1291                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1292                 } else {
1293                         $s = '';
1294                 }
1295                 return $s;
1296         }
1297
1298         function watchThisPage() {
1299                 global $wgOut, $wgTitle;
1300                 ++$this->mWatchLinkNum;
1301
1302                 if ( $wgOut->isArticleRelated() ) {
1303                         if ( $wgTitle->userIsWatching() ) {
1304                                 $t = wfMsg( 'unwatchthispage' );
1305                                 $q = 'action=unwatch';
1306                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1307                         } else {
1308                                 $t = wfMsg( 'watchthispage' );
1309                                 $q = 'action=watch';
1310                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1311                         }
1312                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1313                 } else {
1314                         $s = wfMsg( 'notanarticle' );
1315                 }
1316                 return $s;
1317         }
1318
1319         function moveThisPage() {
1320                 global $wgTitle;
1321
1322                 if ( $wgTitle->userCan( 'move' ) ) {
1323                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1324                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1325                 } else {
1326                         // no message if page is protected - would be redundant
1327                         return '';
1328                 }
1329         }
1330
1331         function historyLink() {
1332                 global $wgTitle;
1333
1334                 return $this->makeKnownLinkObj( $wgTitle,
1335                   wfMsg( 'history' ), 'action=history' );
1336         }
1337
1338         function whatLinksHere() {
1339                 global $wgTitle;
1340
1341                 return $this->makeKnownLinkObj(
1342                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1343                         wfMsg( 'whatlinkshere' ) );
1344         }
1345
1346         function userContribsLink() {
1347                 global $wgTitle;
1348
1349                 return $this->makeKnownLinkObj(
1350                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1351                         wfMsg( 'contributions' ) );
1352         }
1353
1354         function showEmailUser( $id ) {
1355                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1356                 return $wgEnableEmail &&
1357                        $wgEnableUserEmail &&
1358                        $wgUser->isLoggedIn() && # show only to signed in users
1359                        0 != $id; # we can only email to non-anons ..
1360 #                      '' != $id->getEmail() && # who must have an email address stored ..
1361 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1362 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1363         }
1364
1365         function emailUserLink() {
1366                 global $wgTitle;
1367
1368                 return $this->makeKnownLinkObj(
1369                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1370                         wfMsg( 'emailuser' ) );
1371         }
1372
1373         function watchPageLinksLink() {
1374                 global $wgOut, $wgTitle;
1375
1376                 if ( ! $wgOut->isArticleRelated() ) {
1377                         return '(' . wfMsg( 'notanarticle' ) . ')';
1378                 } else {
1379                         return $this->makeKnownLinkObj(
1380                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1381                                 wfMsg( 'recentchangeslinked' ) );
1382                 }
1383         }
1384
1385         function trackbackLink() {
1386                 global $wgTitle;
1387
1388                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1389                         . wfMsg('trackbacklink') . "</a>";
1390         }
1391
1392         function otherLanguages() {
1393                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1394
1395                 if ( $wgHideInterlanguageLinks ) {
1396                         return '';
1397                 }
1398
1399                 $a = $wgOut->getLanguageLinks();
1400                 if ( 0 == count( $a ) ) {
1401                         return '';
1402                 }
1403
1404                 $s = wfMsg( 'otherlanguages' ) . ': ';
1405                 $first = true;
1406                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1407                 foreach( $a as $l ) {
1408                         if ( ! $first ) { $s .= ' | '; }
1409                         $first = false;
1410
1411                         $nt = Title::newFromText( $l );
1412                         $url = $nt->escapeFullURL();
1413                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1414
1415                         if ( '' == $text ) { $text = $l; }
1416                         $style = $this->getExternalLinkAttributes( $l, $text );
1417                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1418                 }
1419                 if($wgContLang->isRTL()) $s .= '</span>';
1420                 return $s;
1421         }
1422
1423         function bugReportsLink() {
1424                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1425                   wfMsg( 'bugreports' ) );
1426                 return $s;
1427         }
1428
1429         function dateLink() {
1430                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1431                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1432
1433                 $id = $t1->getArticleID();
1434
1435                 if ( 0 == $id ) {
1436                         $s = $this->makeBrokenLink( $t1->getText() );
1437                 } else {
1438                         $s = $this->makeKnownLink( $t1->getText() );
1439                 }
1440                 $s .= ', ';
1441
1442                 $id = $t2->getArticleID();
1443
1444                 if ( 0 == $id ) {
1445                         $s .= $this->makeBrokenLink( $t2->getText() );
1446                 } else {
1447                         $s .= $this->makeKnownLink( $t2->getText() );
1448                 }
1449                 return $s;
1450         }
1451
1452         function talkLink() {
1453                 global $wgTitle;
1454
1455                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1456                         # No discussion links for special pages
1457                         return '';
1458                 }
1459
1460                 if( $wgTitle->isTalkPage() ) {
1461                         $link = $wgTitle->getSubjectPage();
1462                         switch( $link->getNamespace() ) {
1463                                 case NS_MAIN:
1464                                         $text = wfMsg( 'articlepage' );
1465                                         break;
1466                                 case NS_USER:
1467                                         $text = wfMsg( 'userpage' );
1468                                         break;
1469                                 case NS_PROJECT:
1470                                         $text = wfMsg( 'projectpage' );
1471                                         break;
1472                                 case NS_IMAGE:
1473                                         $text = wfMsg( 'imagepage' );
1474                                         break;
1475                                 case NS_MEDIAWIKI:
1476                                         $text = wfMsg( 'mediawikipage' );
1477                                         break;
1478                                 case NS_TEMPLATE:
1479                                         $text = wfMsg( 'templatepage' );
1480                                         break;
1481                                 case NS_HELP:
1482                                         $text = wfMsg( 'viewhelppage' );
1483                                         break;
1484                                 case NS_CATEGORY:
1485                                         $text = wfMsg( 'categorypage' );
1486                                         break;
1487                                 default:
1488                                         $text = wfMsg( 'articlepage' );
1489                         }
1490                 } else {
1491                         $link = $wgTitle->getTalkPage();
1492                         $text = wfMsg( 'talkpage' );
1493                 }
1494
1495                 $s = $this->makeLinkObj( $link, $text );
1496
1497                 return $s;
1498         }
1499
1500         function commentLink() {
1501                 global $wgTitle, $wgOut;
1502
1503                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1504                         return '';
1505                 }
1506
1507                 # __NEWSECTIONLINK___ changes behaviour here
1508                 # If it's present, the link points to this page, otherwise
1509                 # it points to the talk page
1510                 if( $wgTitle->isTalkPage() ) {
1511                         $title =& $wgTitle;
1512                 } elseif( $wgOut->showNewSectionLink() ) {
1513                         $title =& $wgTitle;
1514                 } else {
1515                         $title =& $wgTitle->getTalkPage();
1516                 }
1517
1518                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1519         }
1520
1521         /* these are used extensively in SkinTemplate, but also some other places */
1522         static function makeMainPageUrl( $urlaction = '' ) {
1523                 $title = Title::newMainPage();
1524                 self::checkTitle( $title, '' );
1525                 return $title->getLocalURL( $urlaction );
1526         }
1527
1528         static function makeSpecialUrl( $name, $urlaction = '' ) {
1529                 $title = SpecialPage::getTitleFor( $name );
1530                 return $title->getLocalURL( $urlaction );
1531         }
1532
1533         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1534                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1535                 return $title->getLocalURL( $urlaction );
1536         }
1537
1538         static function makeI18nUrl( $name, $urlaction = '' ) {
1539                 $title = Title::newFromText( wfMsgForContent( $name ) );
1540                 self::checkTitle( $title, $name );
1541                 return $title->getLocalURL( $urlaction );
1542         }
1543
1544         static function makeUrl( $name, $urlaction = '' ) {
1545                 $title = Title::newFromText( $name );
1546                 self::checkTitle( $title, $name );
1547                 return $title->getLocalURL( $urlaction );
1548         }
1549
1550         # If url string starts with http, consider as external URL, else
1551         # internal
1552         static function makeInternalOrExternalUrl( $name ) {
1553                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1554                         return $name;
1555                 } else {
1556                         return self::makeUrl( $name );
1557                 }
1558         }
1559
1560         # this can be passed the NS number as defined in Language.php
1561         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1562                 $title = Title::makeTitleSafe( $namespace, $name );
1563                 self::checkTitle( $title, $name );
1564                 return $title->getLocalURL( $urlaction );
1565         }
1566
1567         /* these return an array with the 'href' and boolean 'exists' */
1568         static function makeUrlDetails( $name, $urlaction = '' ) {
1569                 $title = Title::newFromText( $name );
1570                 self::checkTitle( $title, $name );
1571                 return array(
1572                         'href' => $title->getLocalURL( $urlaction ),
1573                         'exists' => $title->getArticleID() != 0 ? true : false
1574                 );
1575         }
1576
1577         /**
1578          * Make URL details where the article exists (or at least it's convenient to think so)
1579          */
1580         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1581                 $title = Title::newFromText( $name );
1582                 self::checkTitle( $title, $name );
1583                 return array(
1584                         'href' => $title->getLocalURL( $urlaction ),
1585                         'exists' => true
1586                 );
1587         }
1588
1589         # make sure we have some title to operate on
1590         static function checkTitle( &$title, $name ) {
1591                 if( !is_object( $title ) ) {
1592                         $title = Title::newFromText( $name );
1593                         if( !is_object( $title ) ) {
1594                                 $title = Title::newFromText( '--error: link target missing--' );
1595                         }
1596                 }
1597         }
1598
1599         /**
1600          * Build an array that represents the sidebar(s), the navigation bar among them
1601          *
1602          * @return array
1603          * @private
1604          */
1605         function buildSidebar() {
1606                 global $parserMemc, $wgEnableSidebarCache;
1607                 global $wgLang, $wgContLang;
1608
1609                 $fname = 'SkinTemplate::buildSidebar';
1610
1611                 wfProfileIn( $fname );
1612
1613                 $key = wfMemcKey( 'sidebar' );
1614                 $cacheSidebar = $wgEnableSidebarCache &&
1615                         ($wgLang->getCode() == $wgContLang->getCode());
1616
1617                 if ($cacheSidebar) {
1618                         $cachedsidebar = $parserMemc->get( $key );
1619                         if ($cachedsidebar!="") {
1620                                 wfProfileOut($fname);
1621                                 return $cachedsidebar;
1622                         }
1623                 }
1624
1625                 $bar = array();
1626                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1627                 foreach ($lines as $line) {
1628                         if (strpos($line, '*') !== 0)
1629                                 continue;
1630                         if (strpos($line, '**') !== 0) {
1631                                 $line = trim($line, '* ');
1632                                 $heading = $line;
1633                         } else {
1634                                 if (strpos($line, '|') !== false) { // sanity check
1635                                         $line = explode( '|' , trim($line, '* '), 2 );
1636                                         $link = wfMsgForContent( $line[0] );
1637                                         if ($link == '-')
1638                                                 continue;
1639                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1640                                                 $text = $line[1];
1641                                         if (wfEmptyMsg($line[0], $link))
1642                                                 $link = $line[0];
1643
1644                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1645                                                 $href = $link;
1646                                         } else {
1647                                                 $title = Title::newFromText( $link );
1648                                                 if ( $title ) {
1649                                                         $title = $title->fixSpecialName();
1650                                                         $href = $title->getLocalURL();
1651                                                 } else {
1652                                                         $href = 'INVALID-TITLE';
1653                                                 }
1654                                         }
1655
1656                                         $bar[$heading][] = array(
1657                                                 'text' => $text,
1658                                                 'href' => $href,
1659                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1660                                                 'active' => false
1661                                         );
1662                                 } else { continue; }
1663                         }
1664                 }
1665                 if ($cacheSidebar)
1666                         $parserMemc->set( $key, $bar, 86400 );
1667                 wfProfileOut( $fname );
1668                 return $bar;
1669         }
1670 }
1671 ?>