includes/Skin.php

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