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->getGroups(),
 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         function nameAndLogin() {
 849                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 850
 851                 $lo = $wgContLang->specialPage( 'Userlogout' );
 852
 853                 $s = '';
 854                 if ( $wgUser->isAnon() ) {
 855                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 856                                 $n = wfGetIP();
 857
 858                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 859                                   $wgLang->getNsText( NS_TALK ) );
 860
 861                                 $s .= $n . ' ('.$tl.')';
 862                         } else {
 863                                 $s .= wfMsg('notloggedin');
 864                         }
 865
 866                         $rt = $wgTitle->getPrefixedURL();
 867                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 868                                 $q = '';
 869                         } else { $q = "returnto={$rt}"; }
 870
 871                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 872                                 SpecialPage::getTitleFor( 'Userlogin' ),
 873                                 wfMsg( 'login' ), $q );
 874                 } else {
 875                         $n = $wgUser->getName();
 876                         $rt = $wgTitle->getPrefixedURL();
 877                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 878                           $wgLang->getNsText( NS_TALK ) );
 879
 880                         $tl = " ({$tl})";
 881
 882                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 883                           $n ) . "{$tl}<br />" .
 884                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 885                           "returnto={$rt}" ) . ' | ' .
 886                           $this->specialLink( 'preferences' );
 887                 }
 888                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 889                   wfMsg( 'help' ) );
 890
 891                 return $s;
 892         }
 893
 894         function getSearchLink() {
 895                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 896                 return $searchPage->getLocalURL();
 897         }
 898
 899         function escapeSearchLink() {
 900                 return htmlspecialchars( $this->getSearchLink() );
 901         }
 902
 903         function searchForm() {
 904                 global $wgRequest;
 905                 $search = $wgRequest->getText( 'search' );
 906
 907                 $s = '<form name="search" class="inline" method="post" action="'
 908                   . $this->escapeSearchLink() . "\">\n"
 909                   . '<input type="text" name="search" size="19" value="'
 910                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 911                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 912                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 913
 914                 return $s;
 915         }
 916
 917         function topLinks() {
 918                 global $wgOut;
 919                 $sep = " |\n";
 920
 921                 $s = $this->mainPageLink() . $sep
 922                   . $this->specialLink( 'recentchanges' );
 923
 924                 if ( $wgOut->isArticleRelated() ) {
 925                         $s .=  $sep . $this->editThisPage()
 926                           . $sep . $this->historyLink();
 927                 }
 928                 # Many people don't like this dropdown box
 929                 #$s .= $sep . $this->specialPagesList();
 930
 931                 $s .= $this->variantLinks();
 932
 933                 $s .= $this->extensionTabLinks();
 934
 935                 return $s;
 936         }
 937
 938         /**
 939          * Compatibility for extensions adding functionality through tabs.
 940          * Eventually these old skins should be replaced with SkinTemplate-based
 941          * versions, sigh...
 942          * @return string
 943          */
 944         function extensionTabLinks() {
 945                 $tabs = array();
 946                 $s = '';
 947                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 948                 foreach( $tabs as $tab ) {
 949                         $s .= ' | ' . Xml::element( 'a',
 950                                 array( 'href' => $tab['href'] ),
 951                                 $tab['text'] );
 952                 }
 953                 return $s;
 954         }
 955
 956         /**
 957          * Language/charset variant links for classic-style skins
 958          * @return string
 959          */
 960         function variantLinks() {
 961                 $s = '';
 962                 /* show links to different language variants */
 963                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 964                 $variants = $wgContLang->getVariants();
 965                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 966                         foreach( $variants as $code ) {
 967                                 $varname = $wgContLang->getVariantname( $code );
 968                                 if( $varname == 'disable' )
 969                                         continue;
 970                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 971                         }
 972                 }
 973                 return $s;
 974         }
 975
 976         function bottomLinks() {
 977                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 978                 $sep = " |\n";
 979
 980                 $s = '';
 981                 if ( $wgOut->isArticleRelated() ) {
 982                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 983                         if ( $wgUser->isLoggedIn() ) {
 984                                 $s .= $sep . $this->watchThisPage();
 985                         }
 986                         $s .= $sep . $this->talkLink()
 987                           . $sep . $this->historyLink()
 988                           . $sep . $this->whatLinksHere()
 989                           . $sep . $this->watchPageLinksLink();
 990
 991                         if ($wgUseTrackbacks)
 992                                 $s .= $sep . $this->trackbackLink();
 993
 994                         if ( $wgTitle->getNamespace() == NS_USER
 995                             || $wgTitle->getNamespace() == NS_USER_TALK )
 996
 997                         {
 998                                 $id=User::idFromName($wgTitle->getText());
 999                                 $ip=User::isIP($wgTitle->getText());
1000
1001                                 if($id || $ip) { # both anons and non-anons have contri list
1002                                         $s .= $sep . $this->userContribsLink();
1003                                 }
1004                                 if( $this->showEmailUser( $id ) ) {
1005                                         $s .= $sep . $this->emailUserLink();
1006                                 }
1007                         }
1008                         if ( $wgTitle->getArticleId() ) {
1009                                 $s .= "\n<br />";
1010                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1011                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1012                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1013                         }
1014                         $s .= "<br />\n" . $this->otherLanguages();
1015                 }
1016                 return $s;
1017         }
1018
1019         function pageStats() {
1020                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1021                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1022
1023                 $oldid = $wgRequest->getVal( 'oldid' );
1024                 $diff = $wgRequest->getVal( 'diff' );
1025                 if ( ! $wgOut->isArticle() ) { return ''; }
1026                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1027                 if ( 0 == $wgArticle->getID() ) { return ''; }
1028
1029                 $s = '';
1030                 if ( !$wgDisableCounters ) {
1031                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1032                         if ( $count ) {
1033                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1034                         }
1035                 }
1036
1037                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1038                     require_once('Credits.php');
1039                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1040                 } else {
1041                     $s .= $this->lastModified();
1042                 }
1043
1044                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1045                         $dbr = wfGetDB( DB_SLAVE );
1046                         $watchlist = $dbr->tableName( 'watchlist' );
1047                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1048                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1049                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1050                         $res = $dbr->query( $sql, 'Skin::pageStats');
1051                         $x = $dbr->fetchObject( $res );
1052                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1053                 }
1054
1055                 return $s . ' ' .  $this->getCopyright();
1056         }
1057
1058         function getCopyright( $type = 'detect' ) {
1059                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1060
1061                 if ( $type == 'detect' ) {
1062                         $oldid = $wgRequest->getVal( 'oldid' );
1063                         $diff = $wgRequest->getVal( 'diff' );
1064
1065                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1066                                 $type = 'history';
1067                         } else {
1068                                 $type = 'normal';
1069                         }
1070                 }
1071
1072                 if ( $type == 'history' ) {
1073                         $msg = 'history_copyright';
1074                 } else {
1075                         $msg = 'copyright';
1076                 }
1077
1078                 $out = '';
1079                 if( $wgRightsPage ) {
1080                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1081                 } elseif( $wgRightsUrl ) {
1082                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1083                 } else {
1084                         # Give up now
1085                         return $out;
1086                 }
1087                 $out .= wfMsgForContent( $msg, $link );
1088                 return $out;
1089         }
1090
1091         function getCopyrightIcon() {
1092                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1093                 $out = '';
1094                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1095                         $out = $wgCopyrightIcon;
1096                 } else if ( $wgRightsIcon ) {
1097                         $icon = htmlspecialchars( $wgRightsIcon );
1098                         if ( $wgRightsUrl ) {
1099                                 $url = htmlspecialchars( $wgRightsUrl );
1100                                 $out .= '<a href="'.$url.'">';
1101                         }
1102                         $text = htmlspecialchars( $wgRightsText );
1103                         $out .= "<img src=\"$icon\" alt='$text' />";
1104                         if ( $wgRightsUrl ) {
1105                                 $out .= '</a>';
1106                         }
1107                 }
1108                 return $out;
1109         }
1110
1111         function getPoweredBy() {
1112                 global $wgStylePath;
1113                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1114                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1115                 return $img;
1116         }
1117
1118         function lastModified() {
1119                 global $wgLang, $wgArticle, $wgLoadBalancer;
1120
1121                 $timestamp = $wgArticle->getTimestamp();
1122                 if ( $timestamp ) {
1123                         $d = $wgLang->date( $timestamp, true );
1124                         $t = $wgLang->time( $timestamp, true );
1125                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1126                 } else {
1127                         $s = '';
1128                 }
1129                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1130                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1131                 }
1132                 return $s;
1133         }
1134
1135         function logoText( $align = '' ) {
1136                 if ( '' != $align ) { $a = " align='{$align}'"; }
1137                 else { $a = ''; }
1138
1139                 $mp = wfMsg( 'mainpage' );
1140                 $mptitle = Title::newMainPage();
1141                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1142
1143                 $logourl = $this->getLogo();
1144                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1145                 return $s;
1146         }
1147
1148         /**
1149          * show a drop-down box of special pages
1150          */
1151         function specialPagesList() {
1152                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1153                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1154                 foreach ( $pages as $name => $page ) {
1155                         $pages[$name] = $page->getDescription();
1156                 }
1157
1158                 $go = wfMsg( 'go' );
1159                 $sp = wfMsg( 'specialpages' );
1160                 $spp = $wgContLang->specialPage( 'Specialpages' );
1161
1162                 $s = '<form id="specialpages" method="get" class="inline" ' .
1163                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1164                 $s .= "<select name=\"wpDropdown\">\n";
1165                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1166
1167
1168                 foreach ( $pages as $name => $desc ) {
1169                         $p = $wgContLang->specialPage( $name );
1170                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1171                 }
1172                 $s .= "</select>\n";
1173                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1174                 $s .= "</form>\n";
1175                 return $s;
1176         }
1177
1178         function mainPageLink() {
1179                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1180                 return $s;
1181         }
1182
1183         function copyrightLink() {
1184                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1185                   wfMsg( 'copyrightpagename' ) );
1186                 return $s;
1187         }
1188
1189         function privacyLink() {
1190                 $privacy = wfMsg( 'privacy' );
1191                 if ($privacy == '-') {
1192                         return '';
1193                 } else {
1194                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1195                 }
1196         }
1197
1198         function aboutLink() {
1199                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1200                   wfMsg( 'aboutsite' ) );
1201                 return $s;
1202         }
1203
1204         function disclaimerLink() {
1205                 $disclaimers = wfMsg( 'disclaimers' );
1206                 if ($disclaimers == '-') {
1207                         return '';
1208                 } else {
1209                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1210                                                      $disclaimers );
1211                 }
1212         }
1213
1214         function editThisPage() {
1215                 global $wgOut, $wgTitle;
1216
1217                 if ( ! $wgOut->isArticleRelated() ) {
1218                         $s = wfMsg( 'protectedpage' );
1219                 } else {
1220                         if ( $wgTitle->userCan( 'edit' ) ) {
1221                                 $t = wfMsg( 'editthispage' );
1222                         } else {
1223                                 $t = wfMsg( 'viewsource' );
1224                         }
1225
1226                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1227                 }
1228                 return $s;
1229         }
1230
1231         /**
1232          * Return URL options for the 'edit page' link.
1233          * This may include an 'oldid' specifier, if the current page view is such.
1234          *
1235          * @return string
1236          * @private
1237          */
1238         function editUrlOptions() {
1239                 global $wgArticle;
1240
1241                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1242                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1243                 } else {
1244                         return "action=edit";
1245                 }
1246         }
1247
1248         function deleteThisPage() {
1249                 global $wgUser, $wgTitle, $wgRequest;
1250
1251                 $diff = $wgRequest->getVal( 'diff' );
1252                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1253                         $t = wfMsg( 'deletethispage' );
1254
1255                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1256                 } else {
1257                         $s = '';
1258                 }
1259                 return $s;
1260         }
1261
1262         function protectThisPage() {
1263                 global $wgUser, $wgTitle, $wgRequest;
1264
1265                 $diff = $wgRequest->getVal( 'diff' );
1266                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1267                         if ( $wgTitle->isProtected() ) {
1268                                 $t = wfMsg( 'unprotectthispage' );
1269                                 $q = 'action=unprotect';
1270                         } else {
1271                                 $t = wfMsg( 'protectthispage' );
1272                                 $q = 'action=protect';
1273                         }
1274                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1275                 } else {
1276                         $s = '';
1277                 }
1278                 return $s;
1279         }
1280
1281         function watchThisPage() {
1282                 global $wgOut, $wgTitle;
1283                 ++$this->mWatchLinkNum;
1284
1285                 if ( $wgOut->isArticleRelated() ) {
1286                         if ( $wgTitle->userIsWatching() ) {
1287                                 $t = wfMsg( 'unwatchthispage' );
1288                                 $q = 'action=unwatch';
1289                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1290                         } else {
1291                                 $t = wfMsg( 'watchthispage' );
1292                                 $q = 'action=watch';
1293                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1294                         }
1295                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1296                 } else {
1297                         $s = wfMsg( 'notanarticle' );
1298                 }
1299                 return $s;
1300         }
1301
1302         function moveThisPage() {
1303                 global $wgTitle;
1304
1305                 if ( $wgTitle->userCan( 'move' ) ) {
1306                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1307                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1308                 } else {
1309                         // no message if page is protected - would be redundant
1310                         return '';
1311                 }
1312         }
1313
1314         function historyLink() {
1315                 global $wgTitle;
1316
1317                 return $this->makeKnownLinkObj( $wgTitle,
1318                   wfMsg( 'history' ), 'action=history' );
1319         }
1320
1321         function whatLinksHere() {
1322                 global $wgTitle;
1323
1324                 return $this->makeKnownLinkObj(
1325                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1326                         wfMsg( 'whatlinkshere' ) );
1327         }
1328
1329         function userContribsLink() {
1330                 global $wgTitle;
1331
1332                 return $this->makeKnownLinkObj(
1333                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1334                         wfMsg( 'contributions' ) );
1335         }
1336
1337         function showEmailUser( $id ) {
1338                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1339                 return $wgEnableEmail &&
1340                        $wgEnableUserEmail &&
1341                        $wgUser->isLoggedIn() && # show only to signed in users
1342                        0 != $id; # we can only email to non-anons ..
1343 #                      '' != $id->getEmail() && # who must have an email address stored ..
1344 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1345 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1346         }
1347
1348         function emailUserLink() {
1349                 global $wgTitle;
1350
1351                 return $this->makeKnownLinkObj(
1352                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1353                         wfMsg( 'emailuser' ) );
1354         }
1355
1356         function watchPageLinksLink() {
1357                 global $wgOut, $wgTitle;
1358
1359                 if ( ! $wgOut->isArticleRelated() ) {
1360                         return '(' . wfMsg( 'notanarticle' ) . ')';
1361                 } else {
1362                         return $this->makeKnownLinkObj(
1363                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1364                                 wfMsg( 'recentchangeslinked' ) );
1365                 }
1366         }
1367
1368         function trackbackLink() {
1369                 global $wgTitle;
1370
1371                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1372                         . wfMsg('trackbacklink') . "</a>";
1373         }
1374
1375         function otherLanguages() {
1376                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1377
1378                 if ( $wgHideInterlanguageLinks ) {
1379                         return '';
1380                 }
1381
1382                 $a = $wgOut->getLanguageLinks();
1383                 if ( 0 == count( $a ) ) {
1384                         return '';
1385                 }
1386
1387                 $s = wfMsg( 'otherlanguages' ) . ': ';
1388                 $first = true;
1389                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1390                 foreach( $a as $l ) {
1391                         if ( ! $first ) { $s .= ' | '; }
1392                         $first = false;
1393
1394                         $nt = Title::newFromText( $l );
1395                         $url = $nt->escapeFullURL();
1396                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1397
1398                         if ( '' == $text ) { $text = $l; }
1399                         $style = $this->getExternalLinkAttributes( $l, $text );
1400                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1401                 }
1402                 if($wgContLang->isRTL()) $s .= '</span>';
1403                 return $s;
1404         }
1405
1406         function bugReportsLink() {
1407                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1408                   wfMsg( 'bugreports' ) );
1409                 return $s;
1410         }
1411
1412         function dateLink() {
1413                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1414                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1415
1416                 $id = $t1->getArticleID();
1417
1418                 if ( 0 == $id ) {
1419                         $s = $this->makeBrokenLink( $t1->getText() );
1420                 } else {
1421                         $s = $this->makeKnownLink( $t1->getText() );
1422                 }
1423                 $s .= ', ';
1424
1425                 $id = $t2->getArticleID();
1426
1427                 if ( 0 == $id ) {
1428                         $s .= $this->makeBrokenLink( $t2->getText() );
1429                 } else {
1430                         $s .= $this->makeKnownLink( $t2->getText() );
1431                 }
1432                 return $s;
1433         }
1434
1435         function talkLink() {
1436                 global $wgTitle;
1437
1438                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1439                         # No discussion links for special pages
1440                         return '';
1441                 }
1442
1443                 if( $wgTitle->isTalkPage() ) {
1444                         $link = $wgTitle->getSubjectPage();
1445                         switch( $link->getNamespace() ) {
1446                                 case NS_MAIN:
1447                                         $text = wfMsg( 'articlepage' );
1448                                         break;
1449                                 case NS_USER:
1450                                         $text = wfMsg( 'userpage' );
1451                                         break;
1452                                 case NS_PROJECT:
1453                                         $text = wfMsg( 'projectpage' );
1454                                         break;
1455                                 case NS_IMAGE:
1456                                         $text = wfMsg( 'imagepage' );
1457                                         break;
1458                                 case NS_MEDIAWIKI:
1459                                         $text = wfMsg( 'mediawikipage' );
1460                                         break;
1461                                 case NS_TEMPLATE:
1462                                         $text = wfMsg( 'templatepage' );
1463                                         break;
1464                                 case NS_HELP:
1465                                         $text = wfMsg( 'viewhelppage' );
1466                                         break;
1467                                 case NS_CATEGORY:
1468                                         $text = wfMsg( 'categorypage' );
1469                                         break;
1470                                 default:
1471                                         $text = wfMsg( 'articlepage' );
1472                         }
1473                 } else {
1474                         $link = $wgTitle->getTalkPage();
1475                         $text = wfMsg( 'talkpage' );
1476                 }
1477
1478                 $s = $this->makeLinkObj( $link, $text );
1479
1480                 return $s;
1481         }
1482
1483         function commentLink() {
1484                 global $wgTitle, $wgOut;
1485
1486                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1487                         return '';
1488                 }
1489
1490                 # __NEWSECTIONLINK___ changes behaviour here
1491                 # If it's present, the link points to this page, otherwise
1492                 # it points to the talk page
1493                 if( $wgTitle->isTalkPage() ) {
1494                         $title =& $wgTitle;
1495                 } elseif( $wgOut->showNewSectionLink() ) {
1496                         $title =& $wgTitle;
1497                 } else {
1498                         $title =& $wgTitle->getTalkPage();
1499                 }
1500
1501                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1502         }
1503
1504         /* these are used extensively in SkinTemplate, but also some other places */
1505         static function makeMainPageUrl( $urlaction = '' ) {
1506                 $title = Title::newMainPage();
1507                 self::checkTitle( $title, '' );
1508                 return $title->getLocalURL( $urlaction );
1509         }
1510
1511         static function makeSpecialUrl( $name, $urlaction = '' ) {
1512                 $title = SpecialPage::getTitleFor( $name );
1513                 return $title->getLocalURL( $urlaction );
1514         }
1515
1516         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1517                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1518                 return $title->getLocalURL( $urlaction );
1519         }
1520
1521         static function makeI18nUrl( $name, $urlaction = '' ) {
1522                 $title = Title::newFromText( wfMsgForContent( $name ) );
1523                 self::checkTitle( $title, $name );
1524                 return $title->getLocalURL( $urlaction );
1525         }
1526
1527         static function makeUrl( $name, $urlaction = '' ) {
1528                 $title = Title::newFromText( $name );
1529                 self::checkTitle( $title, $name );
1530                 return $title->getLocalURL( $urlaction );
1531         }
1532
1533         # If url string starts with http, consider as external URL, else
1534         # internal
1535         static function makeInternalOrExternalUrl( $name ) {
1536                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1537                         return $name;
1538                 } else {
1539                         return self::makeUrl( $name );
1540                 }
1541         }
1542
1543         # this can be passed the NS number as defined in Language.php
1544         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1545                 $title = Title::makeTitleSafe( $namespace, $name );
1546                 self::checkTitle( $title, $name );
1547                 return $title->getLocalURL( $urlaction );
1548         }
1549
1550         /* these return an array with the 'href' and boolean 'exists' */
1551         static function makeUrlDetails( $name, $urlaction = '' ) {
1552                 $title = Title::newFromText( $name );
1553                 self::checkTitle( $title, $name );
1554                 return array(
1555                         'href' => $title->getLocalURL( $urlaction ),
1556                         'exists' => $title->getArticleID() != 0 ? true : false
1557                 );
1558         }
1559
1560         /**
1561          * Make URL details where the article exists (or at least it's convenient to think so)
1562          */
1563         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1564                 $title = Title::newFromText( $name );
1565                 self::checkTitle( $title, $name );
1566                 return array(
1567                         'href' => $title->getLocalURL( $urlaction ),
1568                         'exists' => true
1569                 );
1570         }
1571
1572         # make sure we have some title to operate on
1573         static function checkTitle( &$title, $name ) {
1574                 if( !is_object( $title ) ) {
1575                         $title = Title::newFromText( $name );
1576                         if( !is_object( $title ) ) {
1577                                 $title = Title::newFromText( '--error: link target missing--' );
1578                         }
1579                 }
1580         }
1581
1582         /**
1583          * Build an array that represents the sidebar(s), the navigation bar among them
1584          *
1585          * @return array
1586          * @private
1587          */
1588         function buildSidebar() {
1589                 global $parserMemc, $wgEnableSidebarCache;
1590                 global $wgLang, $wgContLang;
1591
1592                 $fname = 'SkinTemplate::buildSidebar';
1593
1594                 wfProfileIn( $fname );
1595
1596                 $key = wfMemcKey( 'sidebar' );
1597                 $cacheSidebar = $wgEnableSidebarCache &&
1598                         ($wgLang->getCode() == $wgContLang->getCode());
1599
1600                 if ($cacheSidebar) {
1601                         $cachedsidebar = $parserMemc->get( $key );
1602                         if ($cachedsidebar!="") {
1603                                 wfProfileOut($fname);
1604                                 return $cachedsidebar;
1605                         }
1606                 }
1607
1608                 $bar = array();
1609                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1610                 foreach ($lines as $line) {
1611                         if (strpos($line, '*') !== 0)
1612                                 continue;
1613                         if (strpos($line, '**') !== 0) {
1614                                 $line = trim($line, '* ');
1615                                 $heading = $line;
1616                         } else {
1617                                 if (strpos($line, '|') !== false) { // sanity check
1618                                         $line = explode( '|' , trim($line, '* '), 2 );
1619                                         $link = wfMsgForContent( $line[0] );
1620                                         if ($link == '-')
1621                                                 continue;
1622                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1623                                                 $text = $line[1];
1624                                         if (wfEmptyMsg($line[0], $link))
1625                                                 $link = $line[0];
1626
1627                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1628                                                 $href = $link;
1629                                         } else {
1630                                                 $title = Title::newFromText( $link );
1631                                                 if ( $title ) {
1632                                                         $title = $title->fixSpecialName();
1633                                                         $href = $title->getLocalURL();
1634                                                 } else {
1635                                                         $href = 'INVALID-TITLE';
1636                                                 }
1637                                         }
1638
1639                                         $bar[$heading][] = array(
1640                                                 'text' => $text,
1641                                                 'href' => $href,
1642                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1643                                                 'active' => false
1644                                         );
1645                                 } else { continue; }
1646                         }
1647                 }
1648                 if ($cacheSidebar)
1649                         $parserMemc->set( $key, $bar, 86400 );
1650                 wfProfileOut( $fname );
1651                 return $bar;
1652         }
1653 }
1654 ?>