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