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