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 require_once( 'Linker.php' );
  13 require_once( 'Image.php' );
  14
  15 # Get a list of all skins available in /skins/
  16 # Build using the regular expression '^(.*).php$'
  17 # Array keys are all lower case, array value keep the case used by filename
  18 #
  19
  20 $skinDir = dir($IP.'/skins');
  21
  22 # while code from www.php.net
  23 while (false !== ($file = $skinDir->read())) {
  24         // Skip non-PHP files, hidden files, and '.dep' includes
  25         if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  26                 $aSkin = $matches[1];
  27                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  28         }
  29 }
  30 $skinDir->close();
  31 unset($matches);
  32
  33 /**
  34  * The main skin class that provide methods and properties for all other skins.
  35  * This base class is also the "Standard" skin.
  36  * @package MediaWiki
  37  */
  38 class Skin extends Linker {
  39         /**#@+
  40          * @access private
  41          */
  42         var $lastdate, $lastline;
  43         var $rc_cache ; # Cache for Enhanced Recent Changes
  44         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  45         var $rcMoveIndex;
  46         /**#@-*/
  47
  48         /** Constructor, call parent constructor */
  49         function Skin() { parent::Linker(); }
  50
  51         /**
  52          * Fetch the set of available skins.
  53          * @return array of strings
  54          * @static
  55          */
  56         function getSkinNames() {
  57                 global $wgValidSkinNames;
  58                 return $wgValidSkinNames;
  59         }
  60
  61         /**
  62          * Normalize a skin preference value to a form that can be loaded.
  63          * If a skin can't be found, it will fall back to the configured
  64          * default (or the old 'Classic' skin if that's broken).
  65          * @param string $key
  66          * @return string
  67          * @static
  68          */
  69         function normalizeKey( $key ) {
  70                 global $wgDefaultSkin;
  71                 $skinNames = Skin::getSkinNames();
  72
  73                 if( $key == '' ) {
  74                         // Don't return the default immediately;
  75                         // in a misconfiguration we need to fall back.
  76                         $key = $wgDefaultSkin;
  77                 }
  78
  79                 if( isset( $skinNames[$key] ) ) {
  80                         return $key;
  81                 }
  82
  83                 // Older versions of the software used a numeric setting
  84                 // in the user preferences.
  85                 $fallback = array(
  86                         0 => $wgDefaultSkin,
  87                         1 => 'nostalgia',
  88                         2 => 'cologneblue' );
  89
  90                 if( isset( $fallback[$key] ) ){
  91                         $key = $fallback[$key];
  92                 }
  93
  94                 if( isset( $skinNames[$key] ) ) {
  95                         return $key;
  96                 } else {
  97                         // The old built-in skin
  98                         return 'standard';
  99                 }
 100         }
 101
 102         /**
 103          * Factory method for loading a skin of a given type
 104          * @param string $key 'monobook', 'standard', etc
 105          * @return Skin
 106          * @static
 107          */
 108         function &newFromKey( $key ) {
 109                 $key = Skin::normalizeKey( $key );
 110
 111                 $skinNames = Skin::getSkinNames();
 112                 $skinName = $skinNames[$key];
 113
 114                 global $IP;
 115
 116                 # Grab the skin class and initialise it.
 117                 wfSuppressWarnings();
 118                 // Preload base classes to work around APC/PHP5 bug
 119                 include_once( $IP.'/skins/'.$skinName.'.deps.php' );
 120                 wfRestoreWarnings();
 121                 require_once( $IP.'/skins/'.$skinName.'.php' );
 122
 123                 # Check if we got if not failback to default skin
 124                 $className = 'Skin'.$skinName;
 125                 if( !class_exists( $className ) ) {
 126                         # DO NOT die if the class isn't found. This breaks maintenance
 127                         # scripts and can cause a user account to be unrecoverable
 128                         # except by SQL manipulation if a previously valid skin name
 129                         # is no longer valid.
 130                         $className = 'SkinStandard';
 131                         require_once( $IP.'/skins/Standard.php' );
 132                 }
 133                 $skin =& new $className;
 134                 return $skin;
 135         }
 136
 137         /** @return string path to the skin stylesheet */
 138         function getStylesheet() {
 139                 return 'common/wikistandard.css?1';
 140         }
 141
 142         /** @return string skin name */
 143         function getSkinName() {
 144                 return 'standard';
 145         }
 146
 147         function qbSetting() {
 148                 global $wgOut, $wgUser;
 149
 150                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 151                 $q = $wgUser->getOption( 'quickbar' );
 152                 if ( '' == $q ) { $q = 0; }
 153                 return $q;
 154         }
 155
 156         function initPage( &$out ) {
 157                 global $wgFavicon;
 158
 159                 $fname = 'Skin::initPage';
 160                 wfProfileIn( $fname );
 161
 162                 if( false !== $wgFavicon ) {
 163                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 164                 }
 165
 166                 $this->addMetadataLinks($out);
 167
 168                 $this->mRevisionId = $out->mRevisionId;
 169
 170                 wfProfileOut( $fname );
 171         }
 172
 173         function addMetadataLinks( &$out ) {
 174                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 175                 global $wgRightsPage, $wgRightsUrl;
 176
 177                 if( $out->isArticleRelated() ) {
 178                         # note: buggy CC software only reads first "meta" link
 179                         if( $wgEnableCreativeCommonsRdf ) {
 180                                 $out->addMetadataLink( array(
 181                                         'title' => 'Creative Commons',
 182                                         'type' => 'application/rdf+xml',
 183                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 184                         }
 185                         if( $wgEnableDublinCoreRdf ) {
 186                                 $out->addMetadataLink( array(
 187                                         'title' => 'Dublin Core',
 188                                         'type' => 'application/rdf+xml',
 189                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 190                         }
 191                 }
 192                 $copyright = '';
 193                 if( $wgRightsPage ) {
 194                         $copy = Title::newFromText( $wgRightsPage );
 195                         if( $copy ) {
 196                                 $copyright = $copy->getLocalURL();
 197                         }
 198                 }
 199                 if( !$copyright && $wgRightsUrl ) {
 200                         $copyright = $wgRightsUrl;
 201                 }
 202                 if( $copyright ) {
 203                         $out->addLink( array(
 204                                 'rel' => 'copyright',
 205                                 'href' => $copyright ) );
 206                 }
 207         }
 208
 209         function outputPage( &$out ) {
 210                 global $wgDebugComments;
 211
 212                 wfProfileIn( 'Skin::outputPage' );
 213                 $this->initPage( $out );
 214
 215                 $out->out( $out->headElement() );
 216
 217                 $out->out( "\n<body" );
 218                 $ops = $this->getBodyOptions();
 219                 foreach ( $ops as $name => $val ) {
 220                         $out->out( " $name='$val'" );
 221                 }
 222                 $out->out( ">\n" );
 223                 if ( $wgDebugComments ) {
 224                         $out->out( "<!-- Wiki debugging output:\n" .
 225                           $out->mDebugtext . "-->\n" );
 226                 }
 227
 228                 $out->out( $this->beforeContent() );
 229
 230                 $out->out( $out->mBodytext . "\n" );
 231
 232                 $out->out( $this->afterContent() );
 233
 234                 $out->out( $out->reportTime() );
 235
 236                 $out->out( "\n</body></html>" );
 237         }
 238
 239         function getHeadScripts() {
 240                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
 241                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 242                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 243                         $userpage = $wgUser->getUserPage();
 244                         $userjs = htmlspecialchars( $this->makeUrl(
 245                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 246                                 'action=raw&ctype='.$wgJsMimeType));
 247                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 248                 }
 249                 return $r;
 250         }
 251
 252         /**
 253          * To make it harder for someone to slip a user a fake
 254          * user-JavaScript or user-CSS preview, a random token
 255          * is associated with the login session. If it's not
 256          * passed back with the preview request, we won't render
 257          * the code.
 258          *
 259          * @param string $action
 260          * @return bool
 261          * @access private
 262          */
 263         function userCanPreview( $action ) {
 264                 global $wgTitle, $wgRequest, $wgUser;
 265
 266                 if( $action != 'submit' )
 267                         return false;
 268                 if( !$wgRequest->wasPosted() )
 269                         return false;
 270                 if( !$wgTitle->userCanEditCssJsSubpage() )
 271                         return false;
 272                 return $wgUser->matchEditToken(
 273                         $wgRequest->getVal( 'wpEditToken' ) );
 274         }
 275
 276         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 277         function getUserStylesheet() {
 278                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
 279                 $sheet = $this->getStylesheet();
 280                 $action = $wgRequest->getText('action');
 281                 $s = "@import \"$wgStylePath/$sheet\";\n";
 282                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 283
 284                 $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 285                 $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 286                         '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 287
 288                 $s .= $this->doGetUserStyles();
 289                 return $s."\n";
 290         }
 291
 292         /**
 293          * placeholder, returns generated js in monobook
 294          */
 295         function getUserJs() { return; }
 296
 297         /**
 298          * Return html code that include User stylesheets
 299          */
 300         function getUserStyles() {
 301                 $s = "<style type='text/css'>\n";
 302                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 303                 $s .= $this->getUserStylesheet();
 304                 $s .= "/*]]>*/ /* */\n";
 305                 $s .= "</style>\n";
 306                 return $s;
 307         }
 308
 309         /**
 310          * Some styles that are set by user through the user settings interface.
 311          */
 312         function doGetUserStyles() {
 313                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 314
 315                 $s = '';
 316
 317                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 318                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 319                                 $s .= $wgRequest->getText('wpTextbox1');
 320                         } else {
 321                                 $userpage = $wgUser->getUserPage();
 322                                 $s.= '@import "'.$this->makeUrl(
 323                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 324                                         'action=raw&ctype=text/css').'";'."\n";
 325                         }
 326                 }
 327
 328                 return $s . $this->reallyDoGetUserStyles();
 329         }
 330
 331         function reallyDoGetUserStyles() {
 332                 global $wgUser;
 333                 $s = '';
 334                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 335                         $underline = $undopt ? 'underline' : 'none';
 336                         $s .= "a { text-decoration: $underline; }\n";
 337                 }
 338                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 339                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 340                 } else {
 341                         $s .= <<<END
 342 a.new, #quickbar a.new,
 343 a.stub, #quickbar a.stub {
 344         color: inherit;
 345         text-decoration: inherit;
 346 }
 347 a.new:after, #quickbar a.new:after {
 348         content: "?";
 349         color: #CC2200;
 350         text-decoration: $underline;
 351 }
 352 a.stub:after, #quickbar a.stub:after {
 353         content: "!";
 354         color: #772233;
 355         text-decoration: $underline;
 356 }
 357 END;
 358                 }
 359                 if( $wgUser->getOption( 'justify' ) ) {
 360                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 361                 }
 362                 if( !$wgUser->getOption( 'showtoc' ) ) {
 363                         $s .= "#toc { display: none; }\n";
 364                 }
 365                 if( !$wgUser->getOption( 'editsection' ) ) {
 366                         $s .= ".editsection { display: none; }\n";
 367                 }
 368                 return $s;
 369         }
 370
 371         function getBodyOptions() {
 372                 global $wgUser, $wgTitle, $wgOut, $wgRequest;
 373
 374                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 375
 376                 if ( 0 != $wgTitle->getNamespace() ) {
 377                         $a = array( 'bgcolor' => '#ffffec' );
 378                 }
 379                 else $a = array( 'bgcolor' => '#FFFFFF' );
 380                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 381                   $wgTitle->userCanEdit() ) {
 382                         $t = wfMsg( 'editthispage' );
 383                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 384                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 385                         $a += array ('ondblclick' => $s);
 386
 387                 }
 388                 $a['onload'] = $wgOut->getOnloadHandler();
 389                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 390                         if( $a['onload'] != '' ) {
 391                                 $a['onload'] .= ';';
 392                         }
 393                         $a['onload'] .= 'setupRightClickEdit()';
 394                 }
 395                 return $a;
 396         }
 397
 398         /**
 399          * URL to the logo
 400          */
 401         function getLogo() {
 402                 global $wgLogo;
 403                 return $wgLogo;
 404         }
 405
 406         /**
 407          * This will be called immediately after the <body> tag.  Split into
 408          * two functions to make it easier to subclass.
 409          */
 410         function beforeContent() {
 411                 return $this->doBeforeContent();
 412         }
 413
 414         function doBeforeContent() {
 415                 global $wgContLang;
 416                 $fname = 'Skin::doBeforeContent';
 417                 wfProfileIn( $fname );
 418
 419                 $s = '';
 420                 $qb = $this->qbSetting();
 421
 422                 if( $langlinks = $this->otherLanguages() ) {
 423                         $rows = 2;
 424                         $borderhack = '';
 425                 } else {
 426                         $rows = 1;
 427                         $langlinks = false;
 428                         $borderhack = 'class="top"';
 429                 }
 430
 431                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 432                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 433
 434                 $shove = ($qb != 0);
 435                 $left = ($qb == 1 || $qb == 3);
 436                 if($wgContLang->isRTL()) $left = !$left;
 437
 438                 if ( !$shove ) {
 439                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 440                           $this->logoText() . '</td>';
 441                 } elseif( $left ) {
 442                         $s .= $this->getQuickbarCompensator( $rows );
 443                 }
 444                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 445                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 446
 447                 $s .= $this->topLinks() ;
 448                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 449
 450                 $r = $wgContLang->isRTL() ? "left" : "right";
 451                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 452                 $s .= $this->nameAndLogin();
 453                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 454
 455                 if ( $langlinks ) {
 456                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 457                 }
 458
 459                 if ( $shove && !$left ) { # Right
 460                         $s .= $this->getQuickbarCompensator( $rows );
 461                 }
 462                 $s .= "</tr>\n</table>\n</div>\n";
 463                 $s .= "\n<div id='article'>\n";
 464
 465                 $notice = wfGetSiteNotice();
 466                 if( $notice ) {
 467                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 468                 }
 469                 $s .= $this->pageTitle();
 470                 $s .= $this->pageSubtitle() ;
 471                 $s .= $this->getCategories();
 472                 wfProfileOut( $fname );
 473                 return $s;
 474         }
 475
 476
 477         function getCategoryLinks () {
 478                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 479                 global $wgContLang;
 480
 481                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 482
 483                 // Use Unicode bidi embedding override characters,
 484                 // to make sure links don't smash each other up in ugly ways.
 485                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 486                 $embed = "<span dir='$dir'>";
 487                 $pop = '</span>';
 488                 $t = $embed . implode ( "$pop | $embed" , $wgOut->mCategoryLinks ) . $pop;
 489
 490                 $msg = count( $wgOut->mCategoryLinks ) === 1 ? 'categories1' : 'categories';
 491                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 492                         wfMsg( $msg ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 493                         . ': ' . $t;
 494
 495                 # optional 'dmoz-like' category browser. Will be shown under the list
 496                 # of categories an article belong to
 497                 if($wgUseCategoryBrowser) {
 498                         $s .= '<br /><hr />';
 499
 500                         # get a big array of the parents tree
 501                         $parenttree = $wgTitle->getParentCategoryTree();
 502                         # Skin object passed by reference cause it can not be
 503                         # accessed under the method subfunction drawCategoryBrowser
 504                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 505                         # Clean out bogus first entry and sort them
 506                         unset($tempout[0]);
 507                         asort($tempout);
 508                         # Output one per line
 509                         $s .= implode("<br />\n", $tempout);
 510                 }
 511
 512                 return $s;
 513         }
 514
 515         /** Render the array as a serie of links.
 516          * @param array $tree Categories tree returned by Title::getParentCategoryTree
 517          * @param object &skin Skin passed by reference
 518          * @return string separated by &gt;, terminate with "\n"
 519          */
 520         function drawCategoryBrowser($tree, &$skin) {
 521                 $return = '';
 522                 foreach ($tree as $element => $parent) {
 523                         if (empty($parent)) {
 524                                 # element start a new list
 525                                 $return .= "\n";
 526                         } else {
 527                                 # grab the others elements
 528                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 529                         }
 530                         # add our current element to the list
 531                         $eltitle = Title::NewFromText($element);
 532                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 533                 }
 534                 return $return;
 535         }
 536
 537         function getCategories() {
 538                 $catlinks=$this->getCategoryLinks();
 539                 if(!empty($catlinks)) {
 540                         return "<p class='catlinks'>{$catlinks}</p>";
 541                 }
 542         }
 543
 544         function getQuickbarCompensator( $rows = 1 ) {
 545                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 546         }
 547
 548         /**
 549          * This gets called immediately before the </body> tag.
 550          * @return string HTML to be put after </body> ???
 551          */
 552         function afterContent() {
 553                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 554                 return $printfooter . $this->doAfterContent();
 555         }
 556
 557         /** @return string Retrievied from HTML text */
 558         function printSource() {
 559                 global $wgTitle;
 560                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 561                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 562         }
 563
 564         function printFooter() {
 565                 return "<p>" .  $this->printSource() .
 566                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 567         }
 568
 569         /** overloaded by derived classes */
 570         function doAfterContent() { }
 571
 572         function pageTitleLinks() {
 573                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 574
 575                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 576                 $action = $wgRequest->getText( 'action' );
 577
 578                 $s = $this->printableLink();
 579                 $disclaimer = $this->disclaimerLink(); # may be empty
 580                 if( $disclaimer ) {
 581                         $s .= ' | ' . $disclaimer;
 582                 }
 583                 $privacy = $this->privacyLink(); # may be empty too
 584                 if( $privacy ) {
 585                         $s .= ' | ' . $privacy;
 586                 }
 587
 588                 if ( $wgOut->isArticleRelated() ) {
 589                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 590                                 $name = $wgTitle->getDBkey();
 591                                 $image = new Image( $wgTitle );
 592                                 if( $image->exists() ) {
 593                                         $link = htmlspecialchars( $image->getURL() );
 594                                         $style = $this->getInternalLinkAttributes( $link, $name );
 595                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 596                                 }
 597                         }
 598                 }
 599                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 600                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 601                                         wfMsg( 'currentrev' ) );
 602                 }
 603
 604                 if ( $wgUser->getNewtalk() ) {
 605                         # do not show "You have new messages" text when we are viewing our
 606                         # own talk page
 607                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 608                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 609                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 610                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 611                                 # disable caching
 612                                 $wgOut->setSquidMaxage(0);
 613                                 $wgOut->enableClientCache(false);
 614                         }
 615                 }
 616
 617                 $undelete = $this->getUndeleteLink();
 618                 if( !empty( $undelete ) ) {
 619                         $s .= ' | '.$undelete;
 620                 }
 621                 return $s;
 622         }
 623
 624         function getUndeleteLink() {
 625                 global $wgUser, $wgTitle, $wgContLang, $action;
 626                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 627                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 628                         ($n = $wgTitle->isDeleted() ) )
 629                 {
 630                         if ( $wgUser->isAllowed( 'delete' ) ) {
 631                                 $msg = 'thisisdeleted';
 632                         } else {
 633                                 $msg = 'viewdeleted';
 634                         }
 635                         return wfMsg( $msg,
 636                                 $this->makeKnownLink(
 637                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 638                                         wfMsg( 'restorelink' . ($n == 1 ? '1' : ''), $n ) ) );
 639                 }
 640                 return '';
 641         }
 642
 643         function printableLink() {
 644                 global $wgOut, $wgFeedClasses, $wgRequest;
 645
 646                 $baseurl = $_SERVER['REQUEST_URI'];
 647                 if( strpos( '?', $baseurl ) == false ) {
 648                         $baseurl .= '?';
 649                 } else {
 650                         $baseurl .= '&';
 651                 }
 652                 $baseurl = htmlspecialchars( $baseurl );
 653                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 654
 655                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 656                 if( $wgOut->isSyndicated() ) {
 657                         foreach( $wgFeedClasses as $format => $class ) {
 658                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 659                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 660                         }
 661                 }
 662                 return $s;
 663         }
 664
 665         function pageTitle() {
 666                 global $wgOut;
 667
 668                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 669                 return $s;
 670         }
 671
 672         function pageSubtitle() {
 673                 global $wgOut;
 674
 675                 $sub = $wgOut->getSubtitle();
 676                 if ( '' == $sub ) {
 677                         global $wgExtraSubtitle;
 678                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 679                 }
 680                 $subpages = $this->subPageSubtitle();
 681                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 682                 $s = "<p class='subtitle'>{$sub}</p>\n";
 683                 return $s;
 684         }
 685
 686         function subPageSubtitle() {
 687                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 688                 $subpages = '';
 689                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 690                         $ptext=$wgTitle->getPrefixedText();
 691                         if(preg_match('/\//',$ptext)) {
 692                                 $links = explode('/',$ptext);
 693                                 $c = 0;
 694                                 $growinglink = '';
 695                                 foreach($links as $link) {
 696                                         $c++;
 697                                         if ($c<count($links)) {
 698                                                 $growinglink .= $link;
 699                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 700                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 701                                                 if ($c>1) {
 702                                                         $subpages .= ' | ';
 703                                                 } else  {
 704                                                         $subpages .= '&lt; ';
 705                                                 }
 706                                                 $subpages .= $getlink;
 707                                                 $growinglink .= '/';
 708                                         }
 709                                 }
 710                         }
 711                 }
 712                 return $subpages;
 713         }
 714
 715         function nameAndLogin() {
 716                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 717
 718                 $li = $wgContLang->specialPage( 'Userlogin' );
 719                 $lo = $wgContLang->specialPage( 'Userlogout' );
 720
 721                 $s = '';
 722                 if ( $wgUser->isAnon() ) {
 723                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 724                                 $n = wfGetIP();
 725
 726                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 727                                   $wgLang->getNsText( NS_TALK ) );
 728
 729                                 $s .= $n . ' ('.$tl.')';
 730                         } else {
 731                                 $s .= wfMsg('notloggedin');
 732                         }
 733
 734                         $rt = $wgTitle->getPrefixedURL();
 735                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 736                                 $q = '';
 737                         } else { $q = "returnto={$rt}"; }
 738
 739                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 740                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 741                                 wfMsg( 'login' ), $q );
 742                 } else {
 743                         $n = $wgUser->getName();
 744                         $rt = $wgTitle->getPrefixedURL();
 745                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 746                           $wgLang->getNsText( NS_TALK ) );
 747
 748                         $tl = " ({$tl})";
 749
 750                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 751                           $n ) . "{$tl}<br />" .
 752                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 753                           "returnto={$rt}" ) . ' | ' .
 754                           $this->specialLink( 'preferences' );
 755                 }
 756                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 757                   wfMsg( 'help' ) );
 758
 759                 return $s;
 760         }
 761
 762         function getSearchLink() {
 763                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 764                 return $searchPage->getLocalURL();
 765         }
 766
 767         function escapeSearchLink() {
 768                 return htmlspecialchars( $this->getSearchLink() );
 769         }
 770
 771         function searchForm() {
 772                 global $wgRequest;
 773                 $search = $wgRequest->getText( 'search' );
 774
 775                 $s = '<form name="search" class="inline" method="post" action="'
 776                   . $this->escapeSearchLink() . "\">\n"
 777                   . '<input type="text" name="search" size="19" value="'
 778                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 779                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 780                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 781
 782                 return $s;
 783         }
 784
 785         function topLinks() {
 786                 global $wgOut;
 787                 $sep = " |\n";
 788
 789                 $s = $this->mainPageLink() . $sep
 790                   . $this->specialLink( 'recentchanges' );
 791
 792                 if ( $wgOut->isArticleRelated() ) {
 793                         $s .=  $sep . $this->editThisPage()
 794                           . $sep . $this->historyLink();
 795                 }
 796                 # Many people don't like this dropdown box
 797                 #$s .= $sep . $this->specialPagesList();
 798
 799                 /* show links to different language variants */
 800                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 801                 $variants = $wgContLang->getVariants();
 802                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 803                         foreach( $variants as $code ) {
 804                                 $varname = $wgContLang->getVariantname( $code );
 805                                 if( $varname == 'disable' )
 806                                         continue;
 807                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 808                         }
 809                 }
 810
 811                 return $s;
 812         }
 813
 814         function bottomLinks() {
 815                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 816                 $sep = " |\n";
 817
 818                 $s = '';
 819                 if ( $wgOut->isArticleRelated() ) {
 820                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 821                         if ( $wgUser->isLoggedIn() ) {
 822                                 $s .= $sep . $this->watchThisPage();
 823                         }
 824                         $s .= $sep . $this->talkLink()
 825                           . $sep . $this->historyLink()
 826                           . $sep . $this->whatLinksHere()
 827                           . $sep . $this->watchPageLinksLink();
 828
 829                         if ($wgUseTrackbacks)
 830                                 $s .= $sep . $this->trackbackLink();
 831
 832                         if ( $wgTitle->getNamespace() == NS_USER
 833                             || $wgTitle->getNamespace() == NS_USER_TALK )
 834
 835                         {
 836                                 $id=User::idFromName($wgTitle->getText());
 837                                 $ip=User::isIP($wgTitle->getText());
 838
 839                                 if($id || $ip) { # both anons and non-anons have contri list
 840                                         $s .= $sep . $this->userContribsLink();
 841                                 }
 842                                 if( $this->showEmailUser( $id ) ) {
 843                                         $s .= $sep . $this->emailUserLink();
 844                                 }
 845                         }
 846                         if ( $wgTitle->getArticleId() ) {
 847                                 $s .= "\n<br />";
 848                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 849                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 850                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 851                         }
 852                         $s .= "<br />\n" . $this->otherLanguages();
 853                 }
 854                 return $s;
 855         }
 856
 857         function pageStats() {
 858                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 859                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 860
 861                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 862                 if ( ! $wgOut->isArticle() ) { return ''; }
 863                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 864                 if ( 0 == $wgArticle->getID() ) { return ''; }
 865
 866                 $s = '';
 867                 if ( !$wgDisableCounters ) {
 868                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 869                         if ( $count ) {
 870                                 $s = wfMsg( 'viewcount', $count );
 871                         }
 872                 }
 873
 874                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 875                     require_once('Credits.php');
 876                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 877                 } else {
 878                     $s .= $this->lastModified();
 879                 }
 880
 881                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 882                         $dbr =& wfGetDB( DB_SLAVE );
 883                         extract( $dbr->tableNames( 'watchlist' ) );
 884                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 885                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 886                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 887                         $res = $dbr->query( $sql, 'Skin::pageStats');
 888                         $x = $dbr->fetchObject( $res );
 889                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 890                 }
 891
 892                 return $s . ' ' .  $this->getCopyright();
 893         }
 894
 895         function getCopyright() {
 896                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 897
 898
 899                 $oldid = $wgRequest->getVal( 'oldid' );
 900                 $diff = $wgRequest->getVal( 'diff' );
 901
 902                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 903                         $msg = 'history_copyright';
 904                 } else {
 905                         $msg = 'copyright';
 906                 }
 907
 908                 $out = '';
 909                 if( $wgRightsPage ) {
 910                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 911                 } elseif( $wgRightsUrl ) {
 912                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 913                 } else {
 914                         # Give up now
 915                         return $out;
 916                 }
 917                 $out .= wfMsgForContent( $msg, $link );
 918                 return $out;
 919         }
 920
 921         function getCopyrightIcon() {
 922                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 923                 $out = '';
 924                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 925                         $out = $wgCopyrightIcon;
 926                 } else if ( $wgRightsIcon ) {
 927                         $icon = htmlspecialchars( $wgRightsIcon );
 928                         if ( $wgRightsUrl ) {
 929                                 $url = htmlspecialchars( $wgRightsUrl );
 930                                 $out .= '<a href="'.$url.'">';
 931                         }
 932                         $text = htmlspecialchars( $wgRightsText );
 933                         $out .= "<img src=\"$icon\" alt='$text' />";
 934                         if ( $wgRightsUrl ) {
 935                                 $out .= '</a>';
 936                         }
 937                 }
 938                 return $out;
 939         }
 940
 941         function getPoweredBy() {
 942                 global $wgStylePath;
 943                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 944                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 945                 return $img;
 946         }
 947
 948         function lastModified() {
 949                 global $wgLang, $wgArticle, $wgLoadBalancer;
 950
 951                 $timestamp = $wgArticle->getTimestamp();
 952                 if ( $timestamp ) {
 953                         $d = $wgLang->timeanddate( $timestamp, true );
 954                         $s = ' ' . wfMsg( 'lastmodified', $d );
 955                 } else {
 956                         $s = '';
 957                 }
 958                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 959                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 960                 }
 961                 return $s;
 962         }
 963
 964         function logoText( $align = '' ) {
 965                 if ( '' != $align ) { $a = " align='{$align}'"; }
 966                 else { $a = ''; }
 967
 968                 $mp = wfMsg( 'mainpage' );
 969                 $titleObj = Title::newFromText( $mp );
 970                 if ( is_object( $titleObj ) ) {
 971                         $url = $titleObj->escapeLocalURL();
 972                 } else {
 973                         $url = '';
 974                 }
 975
 976                 $logourl = $this->getLogo();
 977                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 978                 return $s;
 979         }
 980
 981         /**
 982          * show a drop-down box of special pages
 983          * @TODO crash bug913. Need to be rewrote completly.
 984          */
 985         function specialPagesList() {
 986                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 987                 require_once('SpecialPage.php');
 988                 $a = array();
 989                 $pages = SpecialPage::getPages();
 990
 991                 // special pages without access restriction
 992                 foreach ( $pages[''] as $name => $page ) {
 993                         $a[$name] = $page->getDescription();
 994                 }
 995
 996                 // Other special pages that are restricted.
 997                 // Copied from SpecialSpecialpages.php
 998                 foreach($wgAvailableRights as $right) {
 999                         if( $wgUser->isAllowed($right) ) {
1000                                 /** Add all pages for this right */
1001                                 if(isset($pages[$right])) {
1002                                         foreach($pages[$right] as $name => $page) {
1003                                         $a[$name] = $page->getDescription();
1004                                         }
1005                                 }
1006                         }
1007                 }
1008
1009                 $go = wfMsg( 'go' );
1010                 $sp = wfMsg( 'specialpages' );
1011                 $spp = $wgContLang->specialPage( 'Specialpages' );
1012
1013                 $s = '<form id="specialpages" method="get" class="inline" ' .
1014                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1015                 $s .= "<select name=\"wpDropdown\">\n";
1016                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1017
1018
1019                 foreach ( $a as $name => $desc ) {
1020                         $p = $wgContLang->specialPage( $name );
1021                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1022                 }
1023                 $s .= "</select>\n";
1024                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1025                 $s .= "</form>\n";
1026                 return $s;
1027         }
1028
1029         function mainPageLink() {
1030                 $mp = wfMsgForContent( 'mainpage' );
1031                 $mptxt = wfMsg( 'mainpage');
1032                 $s = $this->makeKnownLink( $mp, $mptxt );
1033                 return $s;
1034         }
1035
1036         function copyrightLink() {
1037                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1038                   wfMsg( 'copyrightpagename' ) );
1039                 return $s;
1040         }
1041
1042         function privacyLink() {
1043                 $privacy = wfMsg( 'privacy' );
1044                 if ($privacy == '-') {
1045                         return '';
1046                 } else {
1047                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1048                 }
1049         }
1050
1051         function aboutLink() {
1052                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1053                   wfMsg( 'aboutsite' ) );
1054                 return $s;
1055         }
1056
1057         function disclaimerLink() {
1058                 $disclaimers = wfMsg( 'disclaimers' );
1059                 if ($disclaimers == '-') {
1060                         return '';
1061                 } else {
1062                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1063                                                      $disclaimers );
1064                 }
1065         }
1066
1067         function editThisPage() {
1068                 global $wgOut, $wgTitle;
1069
1070                 if ( ! $wgOut->isArticleRelated() ) {
1071                         $s = wfMsg( 'protectedpage' );
1072                 } else {
1073                         if ( $wgTitle->userCanEdit() ) {
1074                                 $t = wfMsg( 'editthispage' );
1075                         } else {
1076                                 $t = wfMsg( 'viewsource' );
1077                         }
1078
1079                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1080                 }
1081                 return $s;
1082         }
1083
1084         /**
1085          * Return URL options for the 'edit page' link.
1086          * This may include an 'oldid' specifier, if the current page view is such.
1087          *
1088          * @return string
1089          * @access private
1090          */
1091         function editUrlOptions() {
1092                 global $wgArticle;
1093
1094                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1095                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1096                 } else {
1097                         return "action=edit";
1098                 }
1099         }
1100
1101         function deleteThisPage() {
1102                 global $wgUser, $wgTitle, $wgRequest;
1103
1104                 $diff = $wgRequest->getVal( 'diff' );
1105                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1106                         $t = wfMsg( 'deletethispage' );
1107
1108                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1109                 } else {
1110                         $s = '';
1111                 }
1112                 return $s;
1113         }
1114
1115         function protectThisPage() {
1116                 global $wgUser, $wgTitle, $wgRequest;
1117
1118                 $diff = $wgRequest->getVal( 'diff' );
1119                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1120                         if ( $wgTitle->isProtected() ) {
1121                                 $t = wfMsg( 'unprotectthispage' );
1122                                 $q = 'action=unprotect';
1123                         } else {
1124                                 $t = wfMsg( 'protectthispage' );
1125                                 $q = 'action=protect';
1126                         }
1127                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1128                 } else {
1129                         $s = '';
1130                 }
1131                 return $s;
1132         }
1133
1134         function watchThisPage() {
1135                 global $wgOut, $wgTitle;
1136
1137                 if ( $wgOut->isArticleRelated() ) {
1138                         if ( $wgTitle->userIsWatching() ) {
1139                                 $t = wfMsg( 'unwatchthispage' );
1140                                 $q = 'action=unwatch';
1141                         } else {
1142                                 $t = wfMsg( 'watchthispage' );
1143                                 $q = 'action=watch';
1144                         }
1145                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1146                 } else {
1147                         $s = wfMsg( 'notanarticle' );
1148                 }
1149                 return $s;
1150         }
1151
1152         function moveThisPage() {
1153                 global $wgTitle;
1154
1155                 if ( $wgTitle->userCanMove() ) {
1156                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1157                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1158                 } else {
1159                         // no message if page is protected - would be redundant
1160                         return '';
1161                 }
1162         }
1163
1164         function historyLink() {
1165                 global $wgTitle;
1166
1167                 return $this->makeKnownLinkObj( $wgTitle,
1168                   wfMsg( 'history' ), 'action=history' );
1169         }
1170
1171         function whatLinksHere() {
1172                 global $wgTitle;
1173
1174                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1175                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1176         }
1177
1178         function userContribsLink() {
1179                 global $wgTitle;
1180
1181                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1182                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1183         }
1184
1185         function showEmailUser( $id ) {
1186                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1187                 return $wgEnableEmail &&
1188                        $wgEnableUserEmail &&
1189                        $wgUser->isLoggedIn() && # show only to signed in users
1190                        0 != $id; # we can only email to non-anons ..
1191 #                      '' != $id->getEmail() && # who must have an email address stored ..
1192 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1193 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1194         }
1195
1196         function emailUserLink() {
1197                 global $wgTitle;
1198
1199                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1200                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1201         }
1202
1203         function watchPageLinksLink() {
1204                 global $wgOut, $wgTitle;
1205
1206                 if ( ! $wgOut->isArticleRelated() ) {
1207                         return '(' . wfMsg( 'notanarticle' ) . ')';
1208                 } else {
1209                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1210                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1211                           'target=' . $wgTitle->getPrefixedURL() );
1212                 }
1213         }
1214
1215         function trackbackLink() {
1216                 global $wgTitle;
1217
1218                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1219                         . wfMsg('trackbacklink') . "</a>";
1220         }
1221
1222         function otherLanguages() {
1223                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1224
1225                 if ( $wgHideInterlanguageLinks ) {
1226                         return '';
1227                 }
1228
1229                 $a = $wgOut->getLanguageLinks();
1230                 if ( 0 == count( $a ) ) {
1231                         return '';
1232                 }
1233
1234                 $s = wfMsg( 'otherlanguages' ) . ': ';
1235                 $first = true;
1236                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1237                 foreach( $a as $l ) {
1238                         if ( ! $first ) { $s .= ' | '; }
1239                         $first = false;
1240
1241                         $nt = Title::newFromText( $l );
1242                         $url = $nt->escapeFullURL();
1243                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1244
1245                         if ( '' == $text ) { $text = $l; }
1246                         $style = $this->getExternalLinkAttributes( $l, $text );
1247                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1248                 }
1249                 if($wgContLang->isRTL()) $s .= '</span>';
1250                 return $s;
1251         }
1252
1253         function bugReportsLink() {
1254                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1255                   wfMsg( 'bugreports' ) );
1256                 return $s;
1257         }
1258
1259         function dateLink() {
1260                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1261                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1262
1263                 $id = $t1->getArticleID();
1264
1265                 if ( 0 == $id ) {
1266                         $s = $this->makeBrokenLink( $t1->getText() );
1267                 } else {
1268                         $s = $this->makeKnownLink( $t1->getText() );
1269                 }
1270                 $s .= ', ';
1271
1272                 $id = $t2->getArticleID();
1273
1274                 if ( 0 == $id ) {
1275                         $s .= $this->makeBrokenLink( $t2->getText() );
1276                 } else {
1277                         $s .= $this->makeKnownLink( $t2->getText() );
1278                 }
1279                 return $s;
1280         }
1281
1282         function talkLink() {
1283                 global $wgTitle;
1284
1285                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1286                         # No discussion links for special pages
1287                         return '';
1288                 }
1289
1290                 if( $wgTitle->isTalkPage() ) {
1291                         $link = $wgTitle->getSubjectPage();
1292                         switch( $link->getNamespace() ) {
1293                         case NS_MAIN:
1294                                 $text = wfMsg('articlepage');
1295                                 break;
1296                         case NS_USER:
1297                                 $text = wfMsg('userpage');
1298                                 break;
1299                         case NS_PROJECT:
1300                                 $text = wfMsg('wikipediapage');
1301                                 break;
1302                         case NS_IMAGE:
1303                                 $text = wfMsg('imagepage');
1304                                 break;
1305                         default:
1306                                 $text= wfMsg('articlepage');
1307                         }
1308                 } else {
1309                         $link = $wgTitle->getTalkPage();
1310                         $text = wfMsg( 'talkpage' );
1311                 }
1312
1313                 $s = $this->makeLinkObj( $link, $text );
1314
1315                 return $s;
1316         }
1317
1318         function commentLink() {
1319                 global $wgTitle;
1320
1321                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1322                         return '';
1323                 }
1324                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1325                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1326         }
1327
1328         /* these are used extensively in SkinTemplate, but also some other places */
1329         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1330                 $title = Title::makeTitle( NS_SPECIAL, $name );
1331                 return $title->getLocalURL( $urlaction );
1332         }
1333
1334         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1335                 $title = Title::newFromText( wfMsgForContent($name) );
1336                 $this->checkTitle($title, $name);
1337                 return $title->getLocalURL( $urlaction );
1338         }
1339
1340         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1341                 $title = Title::newFromText( $name );
1342                 $this->checkTitle($title, $name);
1343                 return $title->getLocalURL( $urlaction );
1344         }
1345
1346         # If url string starts with http, consider as external URL, else
1347         # internal
1348         /*static*/ function makeInternalOrExternalUrl( $name ) {
1349                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1350                         return $name;
1351                 } else {
1352                         return $this->makeUrl( $name );
1353                 }
1354         }
1355
1356         # this can be passed the NS number as defined in Language.php
1357         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1358                 $title = Title::makeTitleSafe( $namespace, $name );
1359                 $this->checkTitle($title, $name);
1360                 return $title->getLocalURL( $urlaction );
1361         }
1362
1363         /* these return an array with the 'href' and boolean 'exists' */
1364         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1365                 $title = Title::newFromText( $name );
1366                 $this->checkTitle($title, $name);
1367                 return array(
1368                         'href' => $title->getLocalURL( $urlaction ),
1369                         'exists' => $title->getArticleID() != 0?true:false
1370                 );
1371         }
1372
1373         /**
1374          * Make URL details where the article exists (or at least it's convenient to think so)
1375          */
1376         function makeKnownUrlDetails( $name, $urlaction='' ) {
1377                 $title = Title::newFromText( $name );
1378                 $this->checkTitle($title, $name);
1379                 return array(
1380                         'href' => $title->getLocalURL( $urlaction ),
1381                         'exists' => true
1382                 );
1383         }
1384
1385         # make sure we have some title to operate on
1386         /*static*/ function checkTitle ( &$title, &$name ) {
1387                 if(!is_object($title)) {
1388                         $title = Title::newFromText( $name );
1389                         if(!is_object($title)) {
1390                                 $title = Title::newFromText( '--error: link target missing--' );
1391                         }
1392                 }
1393         }
1394
1395         /**
1396          * Build an array that represents the sidebar(s), the navigation bar among them
1397          *
1398          * @return array
1399          * @access private
1400          */
1401         function buildSidebar() {
1402                 global $wgDBname, $parserMemc;
1403                 global $wgLanguageCode, $wgContLanguageCode;
1404
1405                 $fname = 'SkinTemplate::buildSidebar';
1406
1407                 wfProfileIn( $fname );
1408
1409                 if ($wgLanguageCode == $wgContLanguageCode)
1410                         $cacheSidebar = true;
1411                 else
1412                         $cacheSidebar = false;
1413
1414                 if ($cacheSidebar) {
1415                         $cachedsidebar=$parserMemc->get("{$wgDBname}:sidebar");
1416                         if ($cachedsidebar!="") {
1417                                 wfProfileOut($fname);
1418                                 return $cachedsidebar;
1419                         }
1420                 }
1421
1422                 $bar = array();
1423                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1424                 foreach ($lines as $line) {
1425                         if (strpos($line, '*') !== 0)
1426                                 continue;
1427                         if (strpos($line, '**') !== 0) {
1428                                 $line = trim($line, '* ');
1429                                 $heading = $line;
1430                         } else {
1431                                 if (strpos($line, '|') !== false) { // sanity check
1432                                         $line = explode( '|' , trim($line, '* '), 2 );
1433                                         $link = wfMsgForContent( $line[0] );
1434                                         if ($link == '-')
1435                                                 continue;
1436                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1437                                                 $text = $line[1];
1438                                         if (wfEmptyMsg($line[0], $link))
1439                                                 $link = $line[0];
1440                                         $href = $this->makeInternalOrExternalUrl( $link );
1441                                         $bar[$heading][] = array(
1442                                                 'text' => $text,
1443                                                 'href' => $href,
1444                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1445                                                 'active' => false
1446                                         );
1447                                 } else { continue; }
1448                         }
1449                 }
1450                 if ($cacheSidebar)
1451                         $cachednotice=$parserMemc->set("{$wgDBname}:sidebar",$bar,86400);
1452                 wfProfileOut( $fname );
1453                 return $bar;
1454         }
1455 }
1456 ?>