includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   4
   5 /**
   6  *
   7  * @package MediaWiki
   8  * @subpackage Skins
   9  */
  10
  11 # See skin.txt
  12
  13 /**
  14  * The main skin class that provide methods and properties for all other skins.
  15  * This base class is also the "Standard" skin.
  16  * @package MediaWiki
  17  */
  18 class Skin extends Linker {
  19         /**#@+
  20          * @private
  21          */
  22         var $lastdate, $lastline;
  23         var $rc_cache ; # Cache for Enhanced Recent Changes
  24         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  25         var $rcMoveIndex;
  26         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  27         /**#@-*/
  28
  29         /** Constructor, call parent constructor */
  30         function Skin() { parent::Linker(); }
  31
  32         /**
  33          * Fetch the set of available skins.
  34          * @return array of strings
  35          * @static
  36          */
  37         static function &getSkinNames() {
  38                 global $wgValidSkinNames;
  39                 static $skinsInitialised = false;
  40                 if ( !$skinsInitialised ) {
  41                         # Get a list of available skins
  42                         # Build using the regular expression '^(.*).php$'
  43                         # Array keys are all lower case, array value keep the case used by filename
  44                         #
  45                         wfProfileIn( __METHOD__ . '-init' );
  46                         global $wgStyleDirectory;
  47                         $skinDir = dir( $wgStyleDirectory );
  48
  49                         # while code from www.php.net
  50                         while (false !== ($file = $skinDir->read())) {
  51                                 // Skip non-PHP files, hidden files, and '.dep' includes
  52                                 $matches = array();
  53                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  54                                         $aSkin = $matches[1];
  55                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  56                                 }
  57                         }
  58                         $skinDir->close();
  59                         $skinsInitialised = true;
  60                         wfProfileOut( __METHOD__ . '-init' );
  61                 }
  62                 return $wgValidSkinNames;
  63         }
  64
  65         /**
  66          * Normalize a skin preference value to a form that can be loaded.
  67          * If a skin can't be found, it will fall back to the configured
  68          * default (or the old 'Classic' skin if that's broken).
  69          * @param string $key
  70          * @return string
  71          * @static
  72          */
  73         static function normalizeKey( $key ) {
  74                 global $wgDefaultSkin;
  75                 $skinNames = Skin::getSkinNames();
  76
  77                 if( $key == '' ) {
  78                         // Don't return the default immediately;
  79                         // in a misconfiguration we need to fall back.
  80                         $key = $wgDefaultSkin;
  81                 }
  82
  83                 if( isset( $skinNames[$key] ) ) {
  84                         return $key;
  85                 }
  86
  87                 // Older versions of the software used a numeric setting
  88                 // in the user preferences.
  89                 $fallback = array(
  90                         0 => $wgDefaultSkin,
  91                         1 => 'nostalgia',
  92                         2 => 'cologneblue' );
  93
  94                 if( isset( $fallback[$key] ) ){
  95                         $key = $fallback[$key];
  96                 }
  97
  98                 if( isset( $skinNames[$key] ) ) {
  99                         return $key;
 100                 } else {
 101                         // The old built-in skin
 102                         return 'standard';
 103                 }
 104         }
 105
 106         /**
 107          * Factory method for loading a skin of a given type
 108          * @param string $key 'monobook', 'standard', etc
 109          * @return Skin
 110          * @static
 111          */
 112         static function &newFromKey( $key ) {
 113                 global $wgStyleDirectory;
 114
 115                 $key = Skin::normalizeKey( $key );
 116
 117                 $skinNames = Skin::getSkinNames();
 118                 $skinName = $skinNames[$key];
 119
 120                 # Grab the skin class and initialise it.
 121                 // Preload base classes to work around APC/PHP5 bug
 122                 $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 123                 if( file_exists( $deps ) ) include_once( $deps );
 124                 require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 125
 126                 # Check if we got if not failback to default skin
 127                 $className = 'Skin'.$skinName;
 128                 if( !class_exists( $className ) ) {
 129                         # DO NOT die if the class isn't found. This breaks maintenance
 130                         # scripts and can cause a user account to be unrecoverable
 131                         # except by SQL manipulation if a previously valid skin name
 132                         # is no longer valid.
 133                         wfDebug( "Skin class does not exist: $className\n" );
 134                         $className = 'SkinStandard';
 135                         require_once( "{$wgStyleDirectory}/Standard.php" );
 136                 }
 137                 $skin = new $className;
 138                 return $skin;
 139         }
 140
 141         /** @return string path to the skin stylesheet */
 142         function getStylesheet() {
 143                 return 'common/wikistandard.css';
 144         }
 145
 146         /** @return string skin name */
 147         function getSkinName() {
 148                 return 'standard';
 149         }
 150
 151         function qbSetting() {
 152                 global $wgOut, $wgUser;
 153
 154                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 155                 $q = $wgUser->getOption( 'quickbar', 0 );
 156                 return $q;
 157         }
 158
 159         function initPage( &$out ) {
 160                 global $wgFavicon, $wgScriptPath, $wgSitename, $wgLanguageCode, $wgLanguageNames;
 161
 162                 $fname = 'Skin::initPage';
 163                 wfProfileIn( $fname );
 164
 165                 if( false !== $wgFavicon ) {
 166                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 167                 }
 168
 169                 # OpenSearch description link
 170                 $out->addLink( array(
 171                         'rel' => 'search',
 172                         'type' => 'application/opensearchdescription+xml',
 173                         'href' => "$wgScriptPath/opensearch_desc.php",
 174                         'title' => "$wgSitename ({$wgLanguageNames[$wgLanguageCode]})",
 175                 ));
 176
 177                 $this->addMetadataLinks($out);
 178
 179                 $this->mRevisionId = $out->mRevisionId;
 180
 181                 $this->preloadExistence();
 182
 183                 wfProfileOut( $fname );
 184         }
 185
 186         /**
 187          * Preload the existence of three commonly-requested pages in a single query
 188          */
 189         function preloadExistence() {
 190                 global $wgUser, $wgTitle;
 191
 192                 if ( $wgTitle->isTalkPage() ) {
 193                         $otherTab = $wgTitle->getSubjectPage();
 194                 } else {
 195                         $otherTab = $wgTitle->getTalkPage();
 196                 }
 197                 $lb = new LinkBatch( array(
 198                         $wgUser->getUserPage(),
 199                         $wgUser->getTalkPage(),
 200                         $otherTab
 201                 ));
 202                 $lb->execute();
 203         }
 204
 205         function addMetadataLinks( &$out ) {
 206                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 207                 global $wgRightsPage, $wgRightsUrl;
 208
 209                 if( $out->isArticleRelated() ) {
 210                         # note: buggy CC software only reads first "meta" link
 211                         if( $wgEnableCreativeCommonsRdf ) {
 212                                 $out->addMetadataLink( array(
 213                                         'title' => 'Creative Commons',
 214                                         'type' => 'application/rdf+xml',
 215                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 216                         }
 217                         if( $wgEnableDublinCoreRdf ) {
 218                                 $out->addMetadataLink( array(
 219                                         'title' => 'Dublin Core',
 220                                         'type' => 'application/rdf+xml',
 221                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 222                         }
 223                 }
 224                 $copyright = '';
 225                 if( $wgRightsPage ) {
 226                         $copy = Title::newFromText( $wgRightsPage );
 227                         if( $copy ) {
 228                                 $copyright = $copy->getLocalURL();
 229                         }
 230                 }
 231                 if( !$copyright && $wgRightsUrl ) {
 232                         $copyright = $wgRightsUrl;
 233                 }
 234                 if( $copyright ) {
 235                         $out->addLink( array(
 236                                 'rel' => 'copyright',
 237                                 'href' => $copyright ) );
 238                 }
 239         }
 240
 241         function outputPage( &$out ) {
 242                 global $wgDebugComments;
 243
 244                 wfProfileIn( 'Skin::outputPage' );
 245                 $this->initPage( $out );
 246
 247                 $out->out( $out->headElement() );
 248
 249                 $out->out( "\n<body" );
 250                 $ops = $this->getBodyOptions();
 251                 foreach ( $ops as $name => $val ) {
 252                         $out->out( " $name='$val'" );
 253                 }
 254                 $out->out( ">\n" );
 255                 if ( $wgDebugComments ) {
 256                         $out->out( "<!-- Wiki debugging output:\n" .
 257                           $out->mDebugtext . "-->\n" );
 258                 }
 259
 260                 $out->out( $this->beforeContent() );
 261
 262                 $out->out( $out->mBodytext . "\n" );
 263
 264                 $out->out( $this->afterContent() );
 265
 266                 $out->out( $this->bottomScripts() );
 267
 268                 $out->out( $out->reportTime() );
 269
 270                 $out->out( "\n</body></html>" );
 271         }
 272
 273         static function makeVariablesScript( $data ) {
 274                 global $wgJsMimeType;
 275
 276                 $r = "<script type= \"$wgJsMimeType\">/*<![CDATA[*/\n";
 277                 foreach ( $data as $name => $value ) {
 278                         $encValue = Xml::encodeJsVar( $value );
 279                         $r .= "var $name = $encValue;\n";
 280                 }
 281                 $r .= "/*]]>*/</script>\n";
 282
 283                 return $r;
 284         }
 285
 286         /**
 287          * Make a <script> tag containing global variables
 288          * @param array $data Associative array containing one element:
 289          *     skinname => the skin name
 290          * The odd calling convention is for backwards compatibility
 291          */
 292         static function makeGlobalVariablesScript( $data ) {
 293                 global $wgStylePath, $wgUser;
 294                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 295                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 296                 global $wgBreakFrames;
 297
 298                 $ns = $wgTitle->getNamespace();
 299                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 300
 301                 $vars = array(
 302                         'skin' => $data['skinname'],
 303                         'stylepath' => $wgStylePath,
 304                         'wgArticlePath' => $wgArticlePath,
 305                         'wgScriptPath' => $wgScriptPath,
 306                         'wgServer' => $wgServer,
 307                         'wgCanonicalNamespace' => $nsname,
 308                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
 309                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 310                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 311                         'wgTitle' => $wgTitle->getText(),
 312                         'wgArticleId' => $wgTitle->getArticleId(),
 313                         'wgIsArticle' => $wgOut->isArticle(),
 314                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 315                         'wgUserLanguage' => $wgLang->getCode(),
 316                         'wgContentLanguage' => $wgContLang->getCode(),
 317                         'wgBreakFrames' => $wgBreakFrames,
 318                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 319                 );
 320
 321                 return self::makeVariablesScript( $vars );
 322         }
 323
 324         function getHeadScripts() {
 325                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType, $wgStyleVersion;
 326
 327                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 328
 329                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 330                 global $wgUseSiteJs;
 331                 if ($wgUseSiteJs) {
 332                         if ($wgUser->isLoggedIn()) {
 333                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 334                         } else {
 335                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 336                         }
 337                 }
 338                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 339                         $userpage = $wgUser->getUserPage();
 340                         $userjs = htmlspecialchars( self::makeUrl(
 341                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 342                                 'action=raw&ctype='.$wgJsMimeType));
 343                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 344                 }
 345                 return $r;
 346         }
 347
 348         /**
 349          * To make it harder for someone to slip a user a fake
 350          * user-JavaScript or user-CSS preview, a random token
 351          * is associated with the login session. If it's not
 352          * passed back with the preview request, we won't render
 353          * the code.
 354          *
 355          * @param string $action
 356          * @return bool
 357          * @private
 358          */
 359         function userCanPreview( $action ) {
 360                 global $wgTitle, $wgRequest, $wgUser;
 361
 362                 if( $action != 'submit' )
 363                         return false;
 364                 if( !$wgRequest->wasPosted() )
 365                         return false;
 366                 if( !$wgTitle->userCanEditCssJsSubpage() )
 367                         return false;
 368                 return $wgUser->matchEditToken(
 369                         $wgRequest->getVal( 'wpEditToken' ) );
 370         }
 371
 372         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 373         function getUserStylesheet() {
 374                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 375                 $sheet = $this->getStylesheet();
 376                 $s = "@import \"$wgStylePath/common/common.css?$wgStyleVersion\";\n";
 377                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 378                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 379
 380                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 381                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 382                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 383
 384                 $s .= $this->doGetUserStyles();
 385                 return $s."\n";
 386         }
 387
 388         /**
 389          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 390          * *not* return any custom user JS from user subpages.  Huh?
 391          *
 392          * @return string
 393          */
 394         function getUserJs() {
 395                 $fname = 'Skin::getUserJs';
 396                 wfProfileIn( __METHOD__ );
 397
 398                 global $wgStylePath;
 399                 $s = "/* generated javascript */\n";
 400                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 401                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 402                 $commonJs = wfMsgForContent('Common.js');
 403                 if ( !wfEmptyMsg ( 'Common.js', $commonJs ) ) {
 404                         $s .= $commonJs;
 405                 }
 406
 407                 global $wgUseAjax, $wgAjaxWatch;
 408                 if($wgUseAjax && $wgAjaxWatch) {
 409                         $s .= "
 410
 411 /* AJAX (un)watch (see /skins/common/ajaxwatch.js) */
 412 var wgAjaxWatch = {
 413         watchMsg: '".       str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watch', array() ) )."',
 414         unwatchMsg: '".     str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatch', array() ) )."',
 415         watchingMsg: '".    str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watching', array() ) )."',
 416         unwatchingMsg: '".  str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatching', array() ) )."'
 417 };";
 418                 }
 419
 420                 wfProfileOut( __METHOD__ );
 421                 return $s;
 422     }
 423
 424         /**
 425          * Return html code that include User stylesheets
 426          */
 427         function getUserStyles() {
 428                 $s = "<style type='text/css'>\n";
 429                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 430                 $s .= $this->getUserStylesheet();
 431                 $s .= "/*]]>*/ /* */\n";
 432                 $s .= "</style>\n";
 433                 return $s;
 434         }
 435
 436         /**
 437          * Some styles that are set by user through the user settings interface.
 438          */
 439         function doGetUserStyles() {
 440                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 441
 442                 $s = '';
 443
 444                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 445                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 446                                 $s .= $wgRequest->getText('wpTextbox1');
 447                         } else {
 448                                 $userpage = $wgUser->getUserPage();
 449                                 $s.= '@import "'.self::makeUrl(
 450                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 451                                         'action=raw&ctype=text/css').'";'."\n";
 452                         }
 453                 }
 454
 455                 return $s . $this->reallyDoGetUserStyles();
 456         }
 457
 458         function reallyDoGetUserStyles() {
 459                 global $wgUser;
 460                 $s = '';
 461                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 462                         $underline = $undopt ? 'underline' : 'none';
 463                         $s .= "a, a * { text-decoration: $underline; }\n";
 464                 }
 465                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 466                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 467                 } else {
 468                         $s .= <<<END
 469 a.new, #quickbar a.new,
 470 a.stub, #quickbar a.stub {
 471         color: inherit;
 472         text-decoration: inherit;
 473 }
 474 a.new:after, #quickbar a.new:after {
 475         content: "?";
 476         color: #CC2200;
 477         text-decoration: $underline;
 478 }
 479 a.stub:after, #quickbar a.stub:after {
 480         content: "!";
 481         color: #772233;
 482         text-decoration: $underline;
 483 }
 484 END;
 485                 }
 486                 if( $wgUser->getOption( 'justify' ) ) {
 487                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 488                 }
 489                 if( !$wgUser->getOption( 'showtoc' ) ) {
 490                         $s .= "#toc { display: none; }\n";
 491                 }
 492                 if( !$wgUser->getOption( 'editsection' ) ) {
 493                         $s .= ".editsection { display: none; }\n";
 494                 }
 495                 return $s;
 496         }
 497
 498         function getBodyOptions() {
 499                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 500
 501                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 502
 503                 if ( 0 != $wgTitle->getNamespace() ) {
 504                         $a = array( 'bgcolor' => '#ffffec' );
 505                 }
 506                 else $a = array( 'bgcolor' => '#FFFFFF' );
 507                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 508                   $wgTitle->userCanEdit() ) {
 509                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 510                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 511                         $a += array ('ondblclick' => $s);
 512
 513                 }
 514                 $a['onload'] = $wgOut->getOnloadHandler();
 515                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 516                         if( $a['onload'] != '' ) {
 517                                 $a['onload'] .= ';';
 518                         }
 519                         $a['onload'] .= 'setupRightClickEdit()';
 520                 }
 521                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 522                 ' '.Sanitizer::escapeId( 'page-'.$wgTitle->getPrefixedText() );
 523                 return $a;
 524         }
 525
 526         /**
 527          * URL to the logo
 528          */
 529         function getLogo() {
 530                 global $wgLogo;
 531                 return $wgLogo;
 532         }
 533
 534         /**
 535          * This will be called immediately after the <body> tag.  Split into
 536          * two functions to make it easier to subclass.
 537          */
 538         function beforeContent() {
 539                 return $this->doBeforeContent();
 540         }
 541
 542         function doBeforeContent() {
 543                 global $wgContLang;
 544                 $fname = 'Skin::doBeforeContent';
 545                 wfProfileIn( $fname );
 546
 547                 $s = '';
 548                 $qb = $this->qbSetting();
 549
 550                 if( $langlinks = $this->otherLanguages() ) {
 551                         $rows = 2;
 552                         $borderhack = '';
 553                 } else {
 554                         $rows = 1;
 555                         $langlinks = false;
 556                         $borderhack = 'class="top"';
 557                 }
 558
 559                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 560                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 561
 562                 $shove = ($qb != 0);
 563                 $left = ($qb == 1 || $qb == 3);
 564                 if($wgContLang->isRTL()) $left = !$left;
 565
 566                 if ( !$shove ) {
 567                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 568                           $this->logoText() . '</td>';
 569                 } elseif( $left ) {
 570                         $s .= $this->getQuickbarCompensator( $rows );
 571                 }
 572                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 573                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 574
 575                 $s .= $this->topLinks() ;
 576                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 577
 578                 $r = $wgContLang->isRTL() ? "left" : "right";
 579                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 580                 $s .= $this->nameAndLogin();
 581                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 582
 583                 if ( $langlinks ) {
 584                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 585                 }
 586
 587                 if ( $shove && !$left ) { # Right
 588                         $s .= $this->getQuickbarCompensator( $rows );
 589                 }
 590                 $s .= "</tr>\n</table>\n</div>\n";
 591                 $s .= "\n<div id='article'>\n";
 592
 593                 $notice = wfGetSiteNotice();
 594                 if( $notice ) {
 595                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 596                 }
 597                 $s .= $this->pageTitle();
 598                 $s .= $this->pageSubtitle() ;
 599                 $s .= $this->getCategories();
 600                 wfProfileOut( $fname );
 601                 return $s;
 602         }
 603
 604
 605         function getCategoryLinks () {
 606                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 607                 global $wgContLang;
 608
 609                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 610
 611                 # Separator
 612                 $sep = wfMsgHtml( 'catseparator' );
 613
 614                 // Use Unicode bidi embedding override characters,
 615                 // to make sure links don't smash each other up in ugly ways.
 616                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 617                 $embed = "<span dir='$dir'>";
 618                 $pop = '</span>';
 619                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 620
 621                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 622                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 623                         . ': ' . $t;
 624
 625                 # optional 'dmoz-like' category browser. Will be shown under the list
 626                 # of categories an article belong to
 627                 if($wgUseCategoryBrowser) {
 628                         $s .= '<br /><hr />';
 629
 630                         # get a big array of the parents tree
 631                         $parenttree = $wgTitle->getParentCategoryTree();
 632                         # Skin object passed by reference cause it can not be
 633                         # accessed under the method subfunction drawCategoryBrowser
 634                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 635                         # Clean out bogus first entry and sort them
 636                         unset($tempout[0]);
 637                         asort($tempout);
 638                         # Output one per line
 639                         $s .= implode("<br />\n", $tempout);
 640                 }
 641
 642                 return $s;
 643         }
 644
 645         /** Render the array as a serie of links.
 646          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 647          * @param &skin Object: skin passed by reference
 648          * @return String separated by &gt;, terminate with "\n"
 649          */
 650         function drawCategoryBrowser($tree, &$skin) {
 651                 $return = '';
 652                 foreach ($tree as $element => $parent) {
 653                         if (empty($parent)) {
 654                                 # element start a new list
 655                                 $return .= "\n";
 656                         } else {
 657                                 # grab the others elements
 658                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 659                         }
 660                         # add our current element to the list
 661                         $eltitle = Title::NewFromText($element);
 662                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 663                 }
 664                 return $return;
 665         }
 666
 667         function getCategories() {
 668                 $catlinks=$this->getCategoryLinks();
 669                 if(!empty($catlinks)) {
 670                         return "<p class='catlinks'>{$catlinks}</p>";
 671                 }
 672         }
 673
 674         function getQuickbarCompensator( $rows = 1 ) {
 675                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 676         }
 677
 678         /**
 679          * This gets called shortly before the \</body\> tag.
 680          * @return String HTML to be put before \</body\>
 681          */
 682         function afterContent() {
 683                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 684                 return $printfooter . $this->doAfterContent();
 685         }
 686
 687         /**
 688          * This gets called shortly before the \</body\> tag.
 689          * @return String HTML-wrapped JS code to be put before \</body\>
 690          */
 691         function bottomScripts() {
 692                 global $wgJsMimeType;
 693                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 694         }
 695
 696         /** @return string Retrievied from HTML text */
 697         function printSource() {
 698                 global $wgTitle;
 699                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 700                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 701         }
 702
 703         function printFooter() {
 704                 return "<p>" .  $this->printSource() .
 705                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 706         }
 707
 708         /** overloaded by derived classes */
 709         function doAfterContent() { }
 710
 711         function pageTitleLinks() {
 712                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 713
 714                 $oldid = $wgRequest->getVal( 'oldid' );
 715                 $diff = $wgRequest->getVal( 'diff' );
 716                 $action = $wgRequest->getText( 'action' );
 717
 718                 $s = $this->printableLink();
 719                 $disclaimer = $this->disclaimerLink(); # may be empty
 720                 if( $disclaimer ) {
 721                         $s .= ' | ' . $disclaimer;
 722                 }
 723                 $privacy = $this->privacyLink(); # may be empty too
 724                 if( $privacy ) {
 725                         $s .= ' | ' . $privacy;
 726                 }
 727
 728                 if ( $wgOut->isArticleRelated() ) {
 729                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 730                                 $name = $wgTitle->getDBkey();
 731                                 $image = new Image( $wgTitle );
 732                                 if( $image->exists() ) {
 733                                         $link = htmlspecialchars( $image->getURL() );
 734                                         $style = $this->getInternalLinkAttributes( $link, $name );
 735                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 736                                 }
 737                         }
 738                 }
 739                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 740                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 741                                         wfMsg( 'currentrev' ) );
 742                 }
 743
 744                 if ( $wgUser->getNewtalk() ) {
 745                         # do not show "You have new messages" text when we are viewing our
 746                         # own talk page
 747                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 748                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 749                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 750                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 751                                 # disable caching
 752                                 $wgOut->setSquidMaxage(0);
 753                                 $wgOut->enableClientCache(false);
 754                         }
 755                 }
 756
 757                 $undelete = $this->getUndeleteLink();
 758                 if( !empty( $undelete ) ) {
 759                         $s .= ' | '.$undelete;
 760                 }
 761                 return $s;
 762         }
 763
 764         function getUndeleteLink() {
 765                 global $wgUser, $wgTitle, $wgContLang, $action;
 766                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 767                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 768                         ($n = $wgTitle->isDeleted() ) )
 769                 {
 770                         if ( $wgUser->isAllowed( 'delete' ) ) {
 771                                 $msg = 'thisisdeleted';
 772                         } else {
 773                                 $msg = 'viewdeleted';
 774                         }
 775                         return wfMsg( $msg,
 776                                 $this->makeKnownLinkObj(
 777                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 778                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 779                 }
 780                 return '';
 781         }
 782
 783         function printableLink() {
 784                 global $wgOut, $wgFeedClasses, $wgRequest;
 785
 786                 $baseurl = $_SERVER['REQUEST_URI'];
 787                 if( strpos( '?', $baseurl ) == false ) {
 788                         $baseurl .= '?';
 789                 } else {
 790                         $baseurl .= '&';
 791                 }
 792                 $baseurl = htmlspecialchars( $baseurl );
 793                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 794
 795                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 796                 if( $wgOut->isSyndicated() ) {
 797                         foreach( $wgFeedClasses as $format => $class ) {
 798                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 799                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 800                         }
 801                 }
 802                 return $s;
 803         }
 804
 805         function pageTitle() {
 806                 global $wgOut;
 807                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 808                 return $s;
 809         }
 810
 811         function pageSubtitle() {
 812                 global $wgOut;
 813
 814                 $sub = $wgOut->getSubtitle();
 815                 if ( '' == $sub ) {
 816                         global $wgExtraSubtitle;
 817                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 818                 }
 819                 $subpages = $this->subPageSubtitle();
 820                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 821                 $s = "<p class='subtitle'>{$sub}</p>\n";
 822                 return $s;
 823         }
 824
 825         function subPageSubtitle() {
 826                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 827                 $subpages = '';
 828                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 829                         $ptext=$wgTitle->getPrefixedText();
 830                         if(preg_match('/\//',$ptext)) {
 831                                 $links = explode('/',$ptext);
 832                                 $c = 0;
 833                                 $growinglink = '';
 834                                 foreach($links as $link) {
 835                                         $c++;
 836                                         if ($c<count($links)) {
 837                                                 $growinglink .= $link;
 838                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 839                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 840                                                 if ($c>1) {
 841                                                         $subpages .= ' | ';
 842                                                 } else  {
 843                                                         $subpages .= '&lt; ';
 844                                                 }
 845                                                 $subpages .= $getlink;
 846                                                 $growinglink .= '/';
 847                                         }
 848                                 }
 849                         }
 850                 }
 851                 return $subpages;
 852         }
 853
 854         function nameAndLogin() {
 855                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 856
 857                 $lo = $wgContLang->specialPage( 'Userlogout' );
 858
 859                 $s = '';
 860                 if ( $wgUser->isAnon() ) {
 861                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 862                                 $n = wfGetIP();
 863
 864                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 865                                   $wgLang->getNsText( NS_TALK ) );
 866
 867                                 $s .= $n . ' ('.$tl.')';
 868                         } else {
 869                                 $s .= wfMsg('notloggedin');
 870                         }
 871
 872                         $rt = $wgTitle->getPrefixedURL();
 873                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 874                                 $q = '';
 875                         } else { $q = "returnto={$rt}"; }
 876
 877                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 878                                 SpecialPage::getTitleFor( 'Userlogin' ),
 879                                 wfMsg( 'login' ), $q );
 880                 } else {
 881                         $n = $wgUser->getName();
 882                         $rt = $wgTitle->getPrefixedURL();
 883                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 884                           $wgLang->getNsText( NS_TALK ) );
 885
 886                         $tl = " ({$tl})";
 887
 888                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 889                           $n ) . "{$tl}<br />" .
 890                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 891                           "returnto={$rt}" ) . ' | ' .
 892                           $this->specialLink( 'preferences' );
 893                 }
 894                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 895                   wfMsg( 'help' ) );
 896
 897                 return $s;
 898         }
 899
 900         function getSearchLink() {
 901                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 902                 return $searchPage->getLocalURL();
 903         }
 904
 905         function escapeSearchLink() {
 906                 return htmlspecialchars( $this->getSearchLink() );
 907         }
 908
 909         function searchForm() {
 910                 global $wgRequest;
 911                 $search = $wgRequest->getText( 'search' );
 912
 913                 $s = '<form name="search" class="inline" method="post" action="'
 914                   . $this->escapeSearchLink() . "\">\n"
 915                   . '<input type="text" name="search" size="19" value="'
 916                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 917                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 918                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 919
 920                 return $s;
 921         }
 922
 923         function topLinks() {
 924                 global $wgOut;
 925                 $sep = " |\n";
 926
 927                 $s = $this->mainPageLink() . $sep
 928                   . $this->specialLink( 'recentchanges' );
 929
 930                 if ( $wgOut->isArticleRelated() ) {
 931                         $s .=  $sep . $this->editThisPage()
 932                           . $sep . $this->historyLink();
 933                 }
 934                 # Many people don't like this dropdown box
 935                 #$s .= $sep . $this->specialPagesList();
 936
 937                 $s .= $this->variantLinks();
 938
 939                 $s .= $this->extensionTabLinks();
 940
 941                 return $s;
 942         }
 943
 944         /**
 945          * Compatibility for extensions adding functionality through tabs.
 946          * Eventually these old skins should be replaced with SkinTemplate-based
 947          * versions, sigh...
 948          * @return string
 949          */
 950         function extensionTabLinks() {
 951                 $tabs = array();
 952                 $s = '';
 953                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 954                 foreach( $tabs as $tab ) {
 955                         $s .= ' | ' . Xml::element( 'a',
 956                                 array( 'href' => $tab['href'] ),
 957                                 $tab['text'] );
 958                 }
 959                 return $s;
 960         }
 961
 962         /**
 963          * Language/charset variant links for classic-style skins
 964          * @return string
 965          */
 966         function variantLinks() {
 967                 $s = '';
 968                 /* show links to different language variants */
 969                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 970                 $variants = $wgContLang->getVariants();
 971                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 972                         foreach( $variants as $code ) {
 973                                 $varname = $wgContLang->getVariantname( $code );
 974                                 if( $varname == 'disable' )
 975                                         continue;
 976                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 977                         }
 978                 }
 979                 return $s;
 980         }
 981
 982         function bottomLinks() {
 983                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 984                 $sep = " |\n";
 985
 986                 $s = '';
 987                 if ( $wgOut->isArticleRelated() ) {
 988                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 989                         if ( $wgUser->isLoggedIn() ) {
 990                                 $s .= $sep . $this->watchThisPage();
 991                         }
 992                         $s .= $sep . $this->talkLink()
 993                           . $sep . $this->historyLink()
 994                           . $sep . $this->whatLinksHere()
 995                           . $sep . $this->watchPageLinksLink();
 996
 997                         if ($wgUseTrackbacks)
 998                                 $s .= $sep . $this->trackbackLink();
 999
1000                         if ( $wgTitle->getNamespace() == NS_USER
1001                             || $wgTitle->getNamespace() == NS_USER_TALK )
1002
1003                         {
1004                                 $id=User::idFromName($wgTitle->getText());
1005                                 $ip=User::isIP($wgTitle->getText());
1006
1007                                 if($id || $ip) { # both anons and non-anons have contri list
1008                                         $s .= $sep . $this->userContribsLink();
1009                                 }
1010                                 if( $this->showEmailUser( $id ) ) {
1011                                         $s .= $sep . $this->emailUserLink();
1012                                 }
1013                         }
1014                         if ( $wgTitle->getArticleId() ) {
1015                                 $s .= "\n<br />";
1016                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1017                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1018                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1019                         }
1020                         $s .= "<br />\n" . $this->otherLanguages();
1021                 }
1022                 return $s;
1023         }
1024
1025         function pageStats() {
1026                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1027                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1028
1029                 $oldid = $wgRequest->getVal( 'oldid' );
1030                 $diff = $wgRequest->getVal( 'diff' );
1031                 if ( ! $wgOut->isArticle() ) { return ''; }
1032                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1033                 if ( 0 == $wgArticle->getID() ) { return ''; }
1034
1035                 $s = '';
1036                 if ( !$wgDisableCounters ) {
1037                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1038                         if ( $count ) {
1039                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1040                         }
1041                 }
1042
1043                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1044                     require_once('Credits.php');
1045                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1046                 } else {
1047                     $s .= $this->lastModified();
1048                 }
1049
1050                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1051                         $dbr =& wfGetDB( DB_SLAVE );
1052                         $watchlist = $dbr->tableName( 'watchlist' );
1053                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1054                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1055                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1056                         $res = $dbr->query( $sql, 'Skin::pageStats');
1057                         $x = $dbr->fetchObject( $res );
1058                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1059                 }
1060
1061                 return $s . ' ' .  $this->getCopyright();
1062         }
1063
1064         function getCopyright( $type = 'detect' ) {
1065                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1066
1067                 if ( $type == 'detect' ) {
1068                         $oldid = $wgRequest->getVal( 'oldid' );
1069                         $diff = $wgRequest->getVal( 'diff' );
1070
1071                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1072                                 $type = 'history';
1073                         } else {
1074                                 $type = 'normal';
1075                         }
1076                 }
1077
1078                 if ( $type == 'history' ) {
1079                         $msg = 'history_copyright';
1080                 } else {
1081                         $msg = 'copyright';
1082                 }
1083
1084                 $out = '';
1085                 if( $wgRightsPage ) {
1086                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1087                 } elseif( $wgRightsUrl ) {
1088                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1089                 } else {
1090                         # Give up now
1091                         return $out;
1092                 }
1093                 $out .= wfMsgForContent( $msg, $link );
1094                 return $out;
1095         }
1096
1097         function getCopyrightIcon() {
1098                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1099                 $out = '';
1100                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1101                         $out = $wgCopyrightIcon;
1102                 } else if ( $wgRightsIcon ) {
1103                         $icon = htmlspecialchars( $wgRightsIcon );
1104                         if ( $wgRightsUrl ) {
1105                                 $url = htmlspecialchars( $wgRightsUrl );
1106                                 $out .= '<a href="'.$url.'">';
1107                         }
1108                         $text = htmlspecialchars( $wgRightsText );
1109                         $out .= "<img src=\"$icon\" alt='$text' />";
1110                         if ( $wgRightsUrl ) {
1111                                 $out .= '</a>';
1112                         }
1113                 }
1114                 return $out;
1115         }
1116
1117         function getPoweredBy() {
1118                 global $wgStylePath;
1119                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1120                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1121                 return $img;
1122         }
1123
1124         function lastModified() {
1125                 global $wgLang, $wgArticle, $wgLoadBalancer;
1126
1127                 $timestamp = $wgArticle->getTimestamp();
1128                 if ( $timestamp ) {
1129                         $d = $wgLang->date( $timestamp, true );
1130                         $t = $wgLang->time( $timestamp, true );
1131                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1132                 } else {
1133                         $s = '';
1134                 }
1135                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1136                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1137                 }
1138                 return $s;
1139         }
1140
1141         function logoText( $align = '' ) {
1142                 if ( '' != $align ) { $a = " align='{$align}'"; }
1143                 else { $a = ''; }
1144
1145                 $mp = wfMsg( 'mainpage' );
1146                 $mptitle = Title::newMainPage();
1147                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1148
1149                 $logourl = $this->getLogo();
1150                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1151                 return $s;
1152         }
1153
1154         /**
1155          * show a drop-down box of special pages
1156          */
1157         function specialPagesList() {
1158                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1159                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1160                 foreach ( $pages as $name => $page ) {
1161                         $pages[$name] = $page->getDescription();
1162                 }
1163
1164                 $go = wfMsg( 'go' );
1165                 $sp = wfMsg( 'specialpages' );
1166                 $spp = $wgContLang->specialPage( 'Specialpages' );
1167
1168                 $s = '<form id="specialpages" method="get" class="inline" ' .
1169                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1170                 $s .= "<select name=\"wpDropdown\">\n";
1171                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1172
1173
1174                 foreach ( $pages as $name => $desc ) {
1175                         $p = $wgContLang->specialPage( $name );
1176                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1177                 }
1178                 $s .= "</select>\n";
1179                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1180                 $s .= "</form>\n";
1181                 return $s;
1182         }
1183
1184         function mainPageLink() {
1185                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1186                 return $s;
1187         }
1188
1189         function copyrightLink() {
1190                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1191                   wfMsg( 'copyrightpagename' ) );
1192                 return $s;
1193         }
1194
1195         function privacyLink() {
1196                 $privacy = wfMsg( 'privacy' );
1197                 if ($privacy == '-') {
1198                         return '';
1199                 } else {
1200                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1201                 }
1202         }
1203
1204         function aboutLink() {
1205                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1206                   wfMsg( 'aboutsite' ) );
1207                 return $s;
1208         }
1209
1210         function disclaimerLink() {
1211                 $disclaimers = wfMsg( 'disclaimers' );
1212                 if ($disclaimers == '-') {
1213                         return '';
1214                 } else {
1215                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1216                                                      $disclaimers );
1217                 }
1218         }
1219
1220         function editThisPage() {
1221                 global $wgOut, $wgTitle;
1222
1223                 if ( ! $wgOut->isArticleRelated() ) {
1224                         $s = wfMsg( 'protectedpage' );
1225                 } else {
1226                         if ( $wgTitle->userCanEdit() ) {
1227                                 $t = wfMsg( 'editthispage' );
1228                         } else {
1229                                 $t = wfMsg( 'viewsource' );
1230                         }
1231
1232                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1233                 }
1234                 return $s;
1235         }
1236
1237         /**
1238          * Return URL options for the 'edit page' link.
1239          * This may include an 'oldid' specifier, if the current page view is such.
1240          *
1241          * @return string
1242          * @private
1243          */
1244         function editUrlOptions() {
1245                 global $wgArticle;
1246
1247                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1248                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1249                 } else {
1250                         return "action=edit";
1251                 }
1252         }
1253
1254         function deleteThisPage() {
1255                 global $wgUser, $wgTitle, $wgRequest;
1256
1257                 $diff = $wgRequest->getVal( 'diff' );
1258                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1259                         $t = wfMsg( 'deletethispage' );
1260
1261                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1262                 } else {
1263                         $s = '';
1264                 }
1265                 return $s;
1266         }
1267
1268         function protectThisPage() {
1269                 global $wgUser, $wgTitle, $wgRequest;
1270
1271                 $diff = $wgRequest->getVal( 'diff' );
1272                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1273                         if ( $wgTitle->isProtected() ) {
1274                                 $t = wfMsg( 'unprotectthispage' );
1275                                 $q = 'action=unprotect';
1276                         } else {
1277                                 $t = wfMsg( 'protectthispage' );
1278                                 $q = 'action=protect';
1279                         }
1280                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1281                 } else {
1282                         $s = '';
1283                 }
1284                 return $s;
1285         }
1286
1287         function watchThisPage() {
1288                 global $wgOut, $wgTitle;
1289                 ++$this->mWatchLinkNum;
1290
1291                 if ( $wgOut->isArticleRelated() ) {
1292                         if ( $wgTitle->userIsWatching() ) {
1293                                 $t = wfMsg( 'unwatchthispage' );
1294                                 $q = 'action=unwatch';
1295                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1296                         } else {
1297                                 $t = wfMsg( 'watchthispage' );
1298                                 $q = 'action=watch';
1299                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1300                         }
1301                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1302                 } else {
1303                         $s = wfMsg( 'notanarticle' );
1304                 }
1305                 return $s;
1306         }
1307
1308         function moveThisPage() {
1309                 global $wgTitle;
1310
1311                 if ( $wgTitle->userCanMove() ) {
1312                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1313                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1314                 } else {
1315                         // no message if page is protected - would be redundant
1316                         return '';
1317                 }
1318         }
1319
1320         function historyLink() {
1321                 global $wgTitle;
1322
1323                 return $this->makeKnownLinkObj( $wgTitle,
1324                   wfMsg( 'history' ), 'action=history' );
1325         }
1326
1327         function whatLinksHere() {
1328                 global $wgTitle;
1329
1330                 return $this->makeKnownLinkObj(
1331                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1332                         wfMsg( 'whatlinkshere' ) );
1333         }
1334
1335         function userContribsLink() {
1336                 global $wgTitle;
1337
1338                 return $this->makeKnownLinkObj(
1339                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1340                         wfMsg( 'contributions' ) );
1341         }
1342
1343         function showEmailUser( $id ) {
1344                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1345                 return $wgEnableEmail &&
1346                        $wgEnableUserEmail &&
1347                        $wgUser->isLoggedIn() && # show only to signed in users
1348                        0 != $id; # we can only email to non-anons ..
1349 #                      '' != $id->getEmail() && # who must have an email address stored ..
1350 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1351 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1352         }
1353
1354         function emailUserLink() {
1355                 global $wgTitle;
1356
1357                 return $this->makeKnownLinkObj(
1358                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1359                         wfMsg( 'emailuser' ) );
1360         }
1361
1362         function watchPageLinksLink() {
1363                 global $wgOut, $wgTitle;
1364
1365                 if ( ! $wgOut->isArticleRelated() ) {
1366                         return '(' . wfMsg( 'notanarticle' ) . ')';
1367                 } else {
1368                         return $this->makeKnownLinkObj(
1369                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1370                                 wfMsg( 'recentchangeslinked' ) );
1371                 }
1372         }
1373
1374         function trackbackLink() {
1375                 global $wgTitle;
1376
1377                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1378                         . wfMsg('trackbacklink') . "</a>";
1379         }
1380
1381         function otherLanguages() {
1382                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1383
1384                 if ( $wgHideInterlanguageLinks ) {
1385                         return '';
1386                 }
1387
1388                 $a = $wgOut->getLanguageLinks();
1389                 if ( 0 == count( $a ) ) {
1390                         return '';
1391                 }
1392
1393                 $s = wfMsg( 'otherlanguages' ) . ': ';
1394                 $first = true;
1395                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1396                 foreach( $a as $l ) {
1397                         if ( ! $first ) { $s .= ' | '; }
1398                         $first = false;
1399
1400                         $nt = Title::newFromText( $l );
1401                         $url = $nt->escapeFullURL();
1402                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1403
1404                         if ( '' == $text ) { $text = $l; }
1405                         $style = $this->getExternalLinkAttributes( $l, $text );
1406                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1407                 }
1408                 if($wgContLang->isRTL()) $s .= '</span>';
1409                 return $s;
1410         }
1411
1412         function bugReportsLink() {
1413                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1414                   wfMsg( 'bugreports' ) );
1415                 return $s;
1416         }
1417
1418         function dateLink() {
1419                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1420                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1421
1422                 $id = $t1->getArticleID();
1423
1424                 if ( 0 == $id ) {
1425                         $s = $this->makeBrokenLink( $t1->getText() );
1426                 } else {
1427                         $s = $this->makeKnownLink( $t1->getText() );
1428                 }
1429                 $s .= ', ';
1430
1431                 $id = $t2->getArticleID();
1432
1433                 if ( 0 == $id ) {
1434                         $s .= $this->makeBrokenLink( $t2->getText() );
1435                 } else {
1436                         $s .= $this->makeKnownLink( $t2->getText() );
1437                 }
1438                 return $s;
1439         }
1440
1441         function talkLink() {
1442                 global $wgTitle;
1443
1444                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1445                         # No discussion links for special pages
1446                         return '';
1447                 }
1448
1449                 if( $wgTitle->isTalkPage() ) {
1450                         $link = $wgTitle->getSubjectPage();
1451                         switch( $link->getNamespace() ) {
1452                                 case NS_MAIN:
1453                                         $text = wfMsg( 'articlepage' );
1454                                         break;
1455                                 case NS_USER:
1456                                         $text = wfMsg( 'userpage' );
1457                                         break;
1458                                 case NS_PROJECT:
1459                                         $text = wfMsg( 'projectpage' );
1460                                         break;
1461                                 case NS_IMAGE:
1462                                         $text = wfMsg( 'imagepage' );
1463                                         break;
1464                                 case NS_MEDIAWIKI:
1465                                         $text = wfMsg( 'mediawikipage' );
1466                                         break;
1467                                 case NS_TEMPLATE:
1468                                         $text = wfMsg( 'templatepage' );
1469                                         break;
1470                                 case NS_HELP:
1471                                         $text = wfMsg( 'viewhelppage' );
1472                                         break;
1473                                 case NS_CATEGORY:
1474                                         $text = wfMsg( 'categorypage' );
1475                                         break;
1476                                 default:
1477                                         $text = wfMsg( 'articlepage' );
1478                         }
1479                 } else {
1480                         $link = $wgTitle->getTalkPage();
1481                         $text = wfMsg( 'talkpage' );
1482                 }
1483
1484                 $s = $this->makeLinkObj( $link, $text );
1485
1486                 return $s;
1487         }
1488
1489         function commentLink() {
1490                 global $wgTitle, $wgOut;
1491
1492                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1493                         return '';
1494                 }
1495
1496                 # __NEWSECTIONLINK___ changes behaviour here
1497                 # If it's present, the link points to this page, otherwise
1498                 # it points to the talk page
1499                 if( $wgTitle->isTalkPage() ) {
1500                         $title =& $wgTitle;
1501                 } elseif( $wgOut->showNewSectionLink() ) {
1502                         $title =& $wgTitle;
1503                 } else {
1504                         $title =& $wgTitle->getTalkPage();
1505                 }
1506
1507                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1508         }
1509
1510         /* these are used extensively in SkinTemplate, but also some other places */
1511         static function makeMainPageUrl( $urlaction = '' ) {
1512                 $title = Title::newMainPage();
1513                 self::checkTitle( $title, $name );
1514                 return $title->getLocalURL( $urlaction );
1515         }
1516
1517         static function makeSpecialUrl( $name, $urlaction = '' ) {
1518                 $title = SpecialPage::getTitleFor( $name );
1519                 return $title->getLocalURL( $urlaction );
1520         }
1521
1522         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1523                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1524                 return $title->getLocalURL( $urlaction );
1525         }
1526
1527         static function makeI18nUrl( $name, $urlaction = '' ) {
1528                 $title = Title::newFromText( wfMsgForContent( $name ) );
1529                 self::checkTitle( $title, $name );
1530                 return $title->getLocalURL( $urlaction );
1531         }
1532
1533         static function makeUrl( $name, $urlaction = '' ) {
1534                 $title = Title::newFromText( $name );
1535                 self::checkTitle( $title, $name );
1536                 return $title->getLocalURL( $urlaction );
1537         }
1538
1539         # If url string starts with http, consider as external URL, else
1540         # internal
1541         static function makeInternalOrExternalUrl( $name ) {
1542                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1543                         return $name;
1544                 } else {
1545                         return self::makeUrl( $name );
1546                 }
1547         }
1548
1549         # this can be passed the NS number as defined in Language.php
1550         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1551                 $title = Title::makeTitleSafe( $namespace, $name );
1552                 self::checkTitle( $title, $name );
1553                 return $title->getLocalURL( $urlaction );
1554         }
1555
1556         /* these return an array with the 'href' and boolean 'exists' */
1557         static function makeUrlDetails( $name, $urlaction = '' ) {
1558                 $title = Title::newFromText( $name );
1559                 self::checkTitle( $title, $name );
1560                 return array(
1561                         'href' => $title->getLocalURL( $urlaction ),
1562                         'exists' => $title->getArticleID() != 0 ? true : false
1563                 );
1564         }
1565
1566         /**
1567          * Make URL details where the article exists (or at least it's convenient to think so)
1568          */
1569         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1570                 $title = Title::newFromText( $name );
1571                 self::checkTitle( $title, $name );
1572                 return array(
1573                         'href' => $title->getLocalURL( $urlaction ),
1574                         'exists' => true
1575                 );
1576         }
1577
1578         # make sure we have some title to operate on
1579         static function checkTitle( &$title, &$name ) {
1580                 if( !is_object( $title ) ) {
1581                         $title = Title::newFromText( $name );
1582                         if( !is_object( $title ) ) {
1583                                 $title = Title::newFromText( '--error: link target missing--' );
1584                         }
1585                 }
1586         }
1587
1588         /**
1589          * Build an array that represents the sidebar(s), the navigation bar among them
1590          *
1591          * @return array
1592          * @private
1593          */
1594         function buildSidebar() {
1595                 global $parserMemc, $wgEnableSidebarCache;
1596                 global $wgLang, $wgContLang;
1597
1598                 $fname = 'SkinTemplate::buildSidebar';
1599
1600                 wfProfileIn( $fname );
1601
1602                 $key = wfMemcKey( 'sidebar' );
1603                 $cacheSidebar = $wgEnableSidebarCache &&
1604                         ($wgLang->getCode() == $wgContLang->getCode());
1605
1606                 if ($cacheSidebar) {
1607                         $cachedsidebar = $parserMemc->get( $key );
1608                         if ($cachedsidebar!="") {
1609                                 wfProfileOut($fname);
1610                                 return $cachedsidebar;
1611                         }
1612                 }
1613
1614                 $bar = array();
1615                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1616                 foreach ($lines as $line) {
1617                         if (strpos($line, '*') !== 0)
1618                                 continue;
1619                         if (strpos($line, '**') !== 0) {
1620                                 $line = trim($line, '* ');
1621                                 $heading = $line;
1622                         } else {
1623                                 if (strpos($line, '|') !== false) { // sanity check
1624                                         $line = explode( '|' , trim($line, '* '), 2 );
1625                                         $link = wfMsgForContent( $line[0] );
1626                                         if ($link == '-')
1627                                                 continue;
1628                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1629                                                 $text = $line[1];
1630                                         if (wfEmptyMsg($line[0], $link))
1631                                                 $link = $line[0];
1632
1633                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1634                                                 $href = $link;
1635                                         } else {
1636                                                 $title = Title::newFromText( $link );
1637                                                 if ( $title ) {
1638                                                         $title = $title->fixSpecialName();
1639                                                         $href = $title->getLocalURL();
1640                                                 } else {
1641                                                         $href = 'INVALID-TITLE';
1642                                                 }
1643                                         }
1644
1645                                         $bar[$heading][] = array(
1646                                                 'text' => $text,
1647                                                 'href' => $href,
1648                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1649                                                 'active' => false
1650                                         );
1651                                 } else { continue; }
1652                         }
1653                 }
1654                 if ($cacheSidebar)
1655                         $parserMemc->set( $key, $bar, 86400 );
1656                 wfProfileOut( $fname );
1657                 return $bar;
1658         }
1659 }
1660 ?>