includes/Skin.php

   1 <?php
   2
   3 /**
   4  *
   5  * @package MediaWiki
   6  * @subpackage Skins
   7  */
   8
   9 /**
  10  * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
  11  */
  12 if( defined( "MEDIAWIKI" ) ) {
  13
  14 # See skin.txt
  15 require_once( 'Linker.php' );
  16 require_once( 'Image.php' );
  17
  18 # Get a list of all skins available in /skins/
  19 # Build using the regular expression '^(.*).php$'
  20 # Array keys are all lower case, array value keep the case used by filename
  21 #
  22
  23 $skinDir = dir($IP.'/skins');
  24
  25 # while code from www.php.net
  26 while (false !== ($file = $skinDir->read())) {
  27         if(preg_match('/^([^.].*)\.php$/',$file, $matches)) {
  28                 $aSkin = $matches[1];
  29                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  30         }
  31 }
  32 $skinDir->close();
  33 unset($matches);
  34
  35 require_once( 'RecentChange.php' );
  36
  37 /**
  38  * @todo document
  39  * @package MediaWiki
  40  */
  41 class RCCacheEntry extends RecentChange
  42 {
  43         var $secureName, $link;
  44         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  45         var $userlink, $timestamp, $watched;
  46
  47         function newFromParent( $rc )
  48         {
  49                 $rc2 = new RCCacheEntry;
  50                 $rc2->mAttribs = $rc->mAttribs;
  51                 $rc2->mExtra = $rc->mExtra;
  52                 return $rc2;
  53         }
  54 } ;
  55
  56
  57 /**
  58  * The main skin class that provide methods and properties for all other skins
  59  * including PHPTal skins.
  60  * This base class is also the "Standard" skin.
  61  * @package MediaWiki
  62  */
  63 class Skin extends Linker {
  64         /**#@+
  65          * @access private
  66          */
  67         var $lastdate, $lastline;
  68         var $rc_cache ; # Cache for Enhanced Recent Changes
  69         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  70         var $rcMoveIndex;
  71         /**#@-*/
  72
  73         /** Constructor, call parent constructor */
  74         function Skin() { parent::Linker(); }
  75
  76         function getSkinNames() {
  77                 global $wgValidSkinNames;
  78                 return $wgValidSkinNames;
  79         }
  80
  81         /** @return string path to the skin stylesheet */
  82         function getStylesheet() { return 'common/wikistandard.css'; }
  83
  84         /** @return string skin name */
  85         function getSkinName() {
  86                 return 'standard';
  87         }
  88
  89         function qbSetting() {
  90                 global $wgOut, $wgUser;
  91
  92                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
  93                 $q = $wgUser->getOption( 'quickbar' );
  94                 if ( '' == $q ) { $q = 0; }
  95                 return $q;
  96         }
  97
  98         function initPage( &$out ) {
  99                 $fname = 'Skin::initPage';
 100                 wfProfileIn( $fname );
 101
 102                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 103
 104                 $this->addMetadataLinks($out);
 105
 106                 wfProfileOut( $fname );
 107         }
 108
 109         function addMetadataLinks( &$out ) {
 110                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 111                 global $wgRightsPage, $wgRightsUrl;
 112
 113                 if( $out->isArticleRelated() ) {
 114                         # note: buggy CC software only reads first "meta" link
 115                         if( $wgEnableCreativeCommonsRdf ) {
 116                                 $out->addMetadataLink( array(
 117                                         'title' => 'Creative Commons',
 118                                         'type' => 'application/rdf+xml',
 119                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 120                         }
 121                         if( $wgEnableDublinCoreRdf ) {
 122                                 $out->addMetadataLink( array(
 123                                         'title' => 'Dublin Core',
 124                                         'type' => 'application/rdf+xml',
 125                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 126                         }
 127                 }
 128                 $copyright = '';
 129                 if( $wgRightsPage ) {
 130                         $copy = Title::newFromText( $wgRightsPage );
 131                         if( $copy ) {
 132                                 $copyright = $copy->getLocalURL();
 133                         }
 134                 }
 135                 if( !$copyright && $wgRightsUrl ) {
 136                         $copyright = $wgRightsUrl;
 137                 }
 138                 if( $copyright ) {
 139                         $out->addLink( array(
 140                                 'rel' => 'copyright',
 141                                 'href' => $copyright ) );
 142                 }
 143         }
 144
 145         function outputPage( &$out ) {
 146                 global $wgDebugComments;
 147
 148                 wfProfileIn( 'Skin::outputPage' );
 149                 $this->initPage( $out );
 150
 151                 $out->out( $out->headElement() );
 152
 153                 $out->out( "\n<body" );
 154                 $ops = $this->getBodyOptions();
 155                 foreach ( $ops as $name => $val ) {
 156                         $out->out( " $name='$val'" );
 157                 }
 158                 $out->out( ">\n" );
 159                 if ( $wgDebugComments ) {
 160                         $out->out( "<!-- Wiki debugging output:\n" .
 161                           $out->mDebugtext . "-->\n" );
 162                 }
 163
 164                 $out->out( $this->beforeContent() );
 165
 166                 $out->out( $out->mBodytext . "\n" );
 167
 168                 $out->out( $this->afterContent() );
 169
 170                 wfProfileClose();
 171                 $out->out( $out->reportTime() );
 172
 173                 $out->out( "\n</body></html>" );
 174         }
 175
 176         function getHeadScripts() {
 177                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs, $wgJsMimeType;
 178                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 179                 $r.= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/sorttable.js\"></script>\n";
 180                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 181                         $userpage = $wgUser->getUserPage();
 182                         $userjs = htmlspecialchars( $this->makeUrl(
 183                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 184                                 'action=raw&ctype='.$wgJsMimeType));
 185                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 186                 }
 187                 return $r;
 188         }
 189
 190         /**
 191          * To make it harder for someone to slip a user a fake
 192          * user-JavaScript or user-CSS preview, a random token
 193          * is associated with the login session. If it's not
 194          * passed back with the preview request, we won't render
 195          * the code.
 196          *
 197          * @param string $action
 198          * @return bool
 199          * @access private
 200          */
 201         function userCanPreview( $action ) {
 202                 global $wgTitle, $wgRequest, $wgUser;
 203
 204                 if( $action != 'submit' )
 205                         return false;
 206                 if( !$wgRequest->wasPosted() )
 207                         return false;
 208                 if( !$wgTitle->userCanEditCssJsSubpage() )
 209                         return false;
 210                 return $wgUser->matchEditToken(
 211                         $wgRequest->getVal( 'wpEditToken' ) );
 212         }
 213
 214         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 215         function getUserStylesheet() {
 216                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 217                 $sheet = $this->getStylesheet();
 218                 $action = $wgRequest->getText('action');
 219                 $s = "@import \"$wgStylePath/$sheet\";\n";
 220                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 221                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 222                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 223                                 $s .= $wgRequest->getText('wpTextbox1');
 224                         } else {
 225                                 $userpage = $wgUser->getUserPage();
 226                                 $s.= '@import "'.$this->makeUrl(
 227                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 228                                         'action=raw&ctype=text/css').'";'."\n";
 229                         }
 230                 }
 231                 $s .= $this->doGetUserStyles();
 232                 return $s."\n";
 233         }
 234
 235         /**
 236          * placeholder, returns generated js in monobook
 237          */
 238         function getUserJs() { return; }
 239
 240         /**
 241          * Return html code that include User stylesheets
 242          */
 243         function getUserStyles() {
 244                 global $wgOut, $wgStylePath, $wgLang;
 245                 $s = "<style type='text/css'>\n";
 246                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 247                 $s .= $this->getUserStylesheet();
 248                 $s .= "/*]]>*/ /* */\n";
 249                 $s .= "</style>\n";
 250                 return $s;
 251         }
 252
 253         /**
 254          * Some styles that are set by user through the user settings interface.
 255          */
 256         function doGetUserStyles() {
 257                 global $wgUser, $wgContLang;
 258
 259                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 260                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 261
 262                 return $s . $this->reallyDoGetUserStyles();
 263         }
 264
 265         function reallyDoGetUserStyles() {
 266                 global $wgUser;
 267                 $s = '';
 268                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 269                         $underline = $undopt ? 'underline' : 'none';
 270                         $s .= "a { text-decoration: $underline; }\n";
 271                 }
 272                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 273                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 274                 } else {
 275                         $s .= <<<END
 276 a.new, #quickbar a.new,
 277 a.stub, #quickbar a.stub {
 278         color: inherit;
 279         text-decoration: inherit;
 280 }
 281 a.new:after, #quickbar a.new:after {
 282         content: "?";
 283         color: #CC2200;
 284         text-decoration: $underline;
 285 }
 286 a.stub:after, #quickbar a.stub:after {
 287         content: "!";
 288         color: #772233;
 289         text-decoration: $underline;
 290 }
 291 END;
 292                 }
 293                 if( $wgUser->getOption( 'justify' ) ) {
 294                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 295                 }
 296                 if( !$wgUser->getOption( 'showtoc' ) ) {
 297                         $s .= "#toc { display: none; }\n";
 298                 }
 299                 if( !$wgUser->getOption( 'editsection' ) ) {
 300                         $s .= ".editsection { display: none; }\n";
 301                 }
 302                 return $s;
 303         }
 304
 305         function getBodyOptions() {
 306                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 307
 308                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 309
 310                 if ( 0 != $wgTitle->getNamespace() ) {
 311                         $a = array( 'bgcolor' => '#ffffec' );
 312                 }
 313                 else $a = array( 'bgcolor' => '#FFFFFF' );
 314                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 315                   (!$wgTitle->isProtected() || $wgUser->isAllowed('protect')) ) {
 316                         $t = wfMsg( 'editthispage' );
 317                         $oid = $red = '';
 318                         if ( !empty($redirect) && $redirect == 'no' ) {
 319                                 $red = "&redirect={$redirect}";
 320                         }
 321                         if ( !empty($oldid) && ! isset( $diff ) ) {
 322                                 $oid = "&oldid=" . IntVal( $oldid );
 323                         }
 324                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 325                         $s = 'document.location = "' .$s .'";';
 326                         $a += array ('ondblclick' => $s);
 327
 328                 }
 329                 $a['onload'] = $wgOut->getOnloadHandler();
 330                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 331                         if( $a['onload'] != '' ) {
 332                                 $a['onload'] .= ';';
 333                         }
 334                         $a['onload'] .= 'setupRightClickEdit()';
 335                 }
 336                 return $a;
 337         }
 338
 339         /**
 340          * URL to the logo
 341          */
 342         function getLogo() {
 343                 global $wgLogo;
 344                 return $wgLogo;
 345         }
 346
 347         /**
 348          * This will be called immediately after the <body> tag.  Split into
 349          * two functions to make it easier to subclass.
 350          */
 351         function beforeContent() {
 352                 return $this->doBeforeContent();
 353         }
 354
 355         function doBeforeContent() {
 356                 global $wgOut, $wgTitle, $wgContLang;
 357                 $fname = 'Skin::doBeforeContent';
 358                 wfProfileIn( $fname );
 359
 360                 $s = '';
 361                 $qb = $this->qbSetting();
 362
 363                 if( $langlinks = $this->otherLanguages() ) {
 364                         $rows = 2;
 365                         $borderhack = '';
 366                 } else {
 367                         $rows = 1;
 368                         $langlinks = false;
 369                         $borderhack = 'class="top"';
 370                 }
 371
 372                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 373                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 374
 375                 $shove = ($qb != 0);
 376                 $left = ($qb == 1 || $qb == 3);
 377                 if($wgContLang->isRTL()) $left = !$left;
 378
 379                 if ( !$shove ) {
 380                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 381                           $this->logoText() . '</td>';
 382                 } elseif( $left ) {
 383                         $s .= $this->getQuickbarCompensator( $rows );
 384                 }
 385                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 386                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 387
 388                 $s .= $this->topLinks() ;
 389                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 390
 391                 $r = $wgContLang->isRTL() ? "left" : "right";
 392                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 393                 $s .= $this->nameAndLogin();
 394                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 395
 396                 if ( $langlinks ) {
 397                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 398                 }
 399
 400                 if ( $shove && !$left ) { # Right
 401                         $s .= $this->getQuickbarCompensator( $rows );
 402                 }
 403                 $s .= "</tr>\n</table>\n</div>\n";
 404                 $s .= "\n<div id='article'>\n";
 405
 406                 $notice = wfGetSiteNotice();
 407                 if( $notice ) {
 408                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 409                 }
 410                 $s .= $this->pageTitle();
 411                 $s .= $this->pageSubtitle() ;
 412                 $s .= $this->getCategories();
 413                 wfProfileOut( $fname );
 414                 return $s;
 415         }
 416
 417
 418         function getCategoryLinks () {
 419                 global $wgOut, $wgTitle, $wgParser;
 420                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 421
 422                 if( !$wgUseCategoryMagic ) return '' ;
 423                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 424
 425                 # Taken out so that they will be displayed in previews -- TS
 426                 #if( !$wgOut->isArticle() ) return '';
 427
 428                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 429                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 430                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 431                         . ': ' . $t;
 432
 433                 # optional 'dmoz-like' category browser. Will be shown under the list
 434                 # of categories an article belong to
 435                 if($wgUseCategoryBrowser) {
 436                         $s .= '<br /><hr />';
 437
 438                         # get a big array of the parents tree
 439                         $parenttree = $wgTitle->getParentCategoryTree();
 440
 441                         # Skin object passed by reference cause it can not be
 442                         # accessed under the method subfunction walkThrough.
 443                         $s .= Skin::drawCategoryBrowser($parenttree, $this);
 444                 }
 445
 446                 return $s;
 447         }
 448
 449         # Render the array as a serie of links
 450         function drawCategoryBrowser ($tree, &$skin) {
 451                 $return = '';
 452                 foreach ($tree as $element => $parent) {
 453                         if (empty($parent)) {
 454                                 # element start a new list
 455                                 $return .= '<br />';
 456                         } else {
 457                                 # grab the others elements
 458                                 $return .= Skin::drawCategoryBrowser($parent, $skin);
 459                         }
 460                         # add our current element to the list
 461                         $eltitle = Title::NewFromText($element);
 462                         if (!empty($parent)) $return .= ' &gt; ';
 463                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 464                 }
 465                 return $return;
 466         }
 467
 468         function getCategories() {
 469                 $catlinks=$this->getCategoryLinks();
 470                 if(!empty($catlinks)) {
 471                         return "<p class='catlinks'>{$catlinks}</p>";
 472                 }
 473         }
 474
 475         function getQuickbarCompensator( $rows = 1 ) {
 476                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 477         }
 478
 479         /**
 480          * This gets called immediately before the </body> tag.
 481          * @return string HTML to be put after </body> ???
 482          */
 483         function afterContent() {
 484                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 485                 return $printfooter . $this->doAfterContent();
 486         }
 487
 488         /** @return string Retrievied from HTML text */
 489         function printSource() {
 490                 global $wgTitle;
 491                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 492                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 493         }
 494
 495         function printFooter() {
 496                 return "<p>" .  $this->printSource() .
 497                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 498         }
 499
 500         /** overloaded by derived classes */
 501         function doAfterContent() { }
 502
 503         function pageTitleLinks() {
 504                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 505
 506                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 507                 $action = $wgRequest->getText( 'action' );
 508
 509                 $s = $this->printableLink();
 510                 $disclaimer = $this->disclaimerLink(); # may be empty
 511                 if( $disclaimer ) {
 512                         $s .= ' | ' . $disclaimer;
 513                 }
 514
 515                 if ( $wgOut->isArticleRelated() ) {
 516                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 517                                 $name = $wgTitle->getDBkey();
 518                                 $image = new Image( $wgTitle );
 519                                 if( $image->exists() ) {
 520                                         $link = htmlspecialchars( $image->getURL() );
 521                                         $style = $this->getInternalLinkAttributes( $link, $name );
 522                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 523                                 }
 524                         }
 525                 }
 526                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 527                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 528                                         wfMsg( 'currentrev' ) );
 529                 }
 530
 531                 if ( $wgUser->getNewtalk() ) {
 532                 # do not show "You have new messages" text when we are viewing our
 533                 # own talk page
 534
 535                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 536                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 537                                                 wfMsg('newmessageslink') );
 538                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 539                                 # disable caching
 540                                 $wgOut->setSquidMaxage(0);
 541                                 $wgOut->enableClientCache(false);
 542                         }
 543                 }
 544
 545                 $undelete = $this->getUndeleteLink();
 546                 if( !empty( $undelete ) ) {
 547                         $s .= ' | '.$undelete;
 548                 }
 549                 return $s;
 550         }
 551
 552         function getUndeleteLink() {
 553                 global $wgUser, $wgTitle, $wgContLang, $action;
 554                 if( $wgUser->isAllowed('rollback') &&
 555                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 556                         ($n = $wgTitle->isDeleted() ) ) {
 557                         return wfMsg( 'thisisdeleted',
 558                                 $this->makeKnownLink(
 559                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 560                                         wfMsg( 'restorelink', $n ) ) );
 561                 }
 562                 return '';
 563         }
 564
 565         function printableLink() {
 566                 global $wgOut, $wgFeedClasses, $wgRequest;
 567
 568                 $baseurl = $_SERVER['REQUEST_URI'];
 569                 if( strpos( '?', $baseurl ) == false ) {
 570                         $baseurl .= '?';
 571                 } else {
 572                         $baseurl .= '&';
 573                 }
 574                 $baseurl = htmlspecialchars( $baseurl );
 575                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 576
 577                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 578                 if( $wgOut->isSyndicated() ) {
 579                         foreach( $wgFeedClasses as $format => $class ) {
 580                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 581                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 582                         }
 583                 }
 584                 return $s;
 585         }
 586
 587         function pageTitle() {
 588                 global $wgOut, $wgTitle, $wgUser;
 589
 590                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 591                 return $s;
 592         }
 593
 594         function pageSubtitle() {
 595                 global $wgOut;
 596
 597                 $sub = $wgOut->getSubtitle();
 598                 if ( '' == $sub ) {
 599                         global $wgExtraSubtitle;
 600                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 601                 }
 602                 $subpages = $this->subPageSubtitle();
 603                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 604                 $s = "<p class='subtitle'>{$sub}</p>\n";
 605                 return $s;
 606         }
 607
 608         function subPageSubtitle() {
 609                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 610                 $subpages = '';
 611                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 612                         $ptext=$wgTitle->getPrefixedText();
 613                         if(preg_match('/\//',$ptext)) {
 614                                 $links = explode('/',$ptext);
 615                                 $c = 0;
 616                                 $growinglink = '';
 617                                 foreach($links as $link) {
 618                                         $c++;
 619                                         if ($c<count($links)) {
 620                                                 $growinglink .= $link;
 621                                                 $getlink = $this->makeLink( $growinglink, $link );
 622                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 623                                                 if ($c>1) {
 624                                                         $subpages .= ' | ';
 625                                                 } else  {
 626                                                         $subpages .= '&lt; ';
 627                                                 }
 628                                                 $subpages .= $getlink;
 629                                                 $growinglink .= '/';
 630                                         }
 631                                 }
 632                         }
 633                 }
 634                 return $subpages;
 635         }
 636
 637         function nameAndLogin() {
 638                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 639
 640                 $li = $wgContLang->specialPage( 'Userlogin' );
 641                 $lo = $wgContLang->specialPage( 'Userlogout' );
 642
 643                 $s = '';
 644                 if ( $wgUser->isAnon() ) {
 645                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 646                                 $n = $wgIP;
 647
 648                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 649                                   $wgContLang->getNsText( NS_TALK ) );
 650
 651                                 $s .= $n . ' ('.$tl.')';
 652                         } else {
 653                                 $s .= wfMsg('notloggedin');
 654                         }
 655
 656                         $rt = $wgTitle->getPrefixedURL();
 657                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 658                                 $q = '';
 659                         } else { $q = "returnto={$rt}"; }
 660
 661                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 662                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 663                                 wfMsg( 'login' ), $q );
 664                 } else {
 665                         $n = $wgUser->getName();
 666                         $rt = $wgTitle->getPrefixedURL();
 667                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 668                           $wgContLang->getNsText( NS_TALK ) );
 669
 670                         $tl = " ({$tl})";
 671
 672                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 673                           $n ) . "{$tl}<br />" .
 674                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 675                           "returnto={$rt}" ) . ' | ' .
 676                           $this->specialLink( 'preferences' );
 677                 }
 678                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 679                   wfMsg( 'help' ) );
 680
 681                 return $s;
 682         }
 683
 684         function getSearchLink() {
 685                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 686                 return $searchPage->getLocalURL();
 687         }
 688
 689         function escapeSearchLink() {
 690                 return htmlspecialchars( $this->getSearchLink() );
 691         }
 692
 693         function searchForm() {
 694                 global $wgRequest;
 695                 $search = $wgRequest->getText( 'search' );
 696
 697                 $s = '<form name="search" class="inline" method="post" action="'
 698                   . $this->escapeSearchLink() . "\">\n"
 699                   . '<input type="text" name="search" size="19" value="'
 700                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 701                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 702                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 703
 704                 return $s;
 705         }
 706
 707         function topLinks() {
 708                 global $wgOut;
 709                 $sep = " |\n";
 710
 711                 $s = $this->mainPageLink() . $sep
 712                   . $this->specialLink( 'recentchanges' );
 713
 714                 if ( $wgOut->isArticleRelated() ) {
 715                         $s .=  $sep . $this->editThisPage()
 716                           . $sep . $this->historyLink();
 717                 }
 718                 # Many people don't like this dropdown box
 719                 #$s .= $sep . $this->specialPagesList();
 720
 721                 /* show links to different language variants */
 722                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 723                 $variants = $wgContLang->getVariants();
 724                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 725                         foreach( $variants as $code ) {
 726                                 $varname = $wgContLang->getVariantname( $code );
 727                                 if( $varname == 'disable' )
 728                                         continue;
 729                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 730                         }
 731                 }
 732
 733                 return $s;
 734         }
 735
 736         function bottomLinks() {
 737                 global $wgOut, $wgUser, $wgTitle;
 738                 $sep = " |\n";
 739
 740                 $s = '';
 741                 if ( $wgOut->isArticleRelated() ) {
 742                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 743                         if ( $wgUser->isLoggedIn() ) {
 744                                 $s .= $sep . $this->watchThisPage();
 745                         }
 746                         $s .= $sep . $this->talkLink()
 747                           . $sep . $this->historyLink()
 748                           . $sep . $this->whatLinksHere()
 749                           . $sep . $this->watchPageLinksLink();
 750
 751                         if ( $wgTitle->getNamespace() == NS_USER
 752                             || $wgTitle->getNamespace() == NS_USER_TALK )
 753
 754                         {
 755                                 $id=User::idFromName($wgTitle->getText());
 756                                 $ip=User::isIP($wgTitle->getText());
 757
 758                                 if($id || $ip) { # both anons and non-anons have contri list
 759                                         $s .= $sep . $this->userContribsLink();
 760                                 }
 761                                 if( $this->showEmailUser( $id ) ) {
 762                                         $s .= $sep . $this->emailUserLink();
 763                                 }
 764                         }
 765                         if ( $wgTitle->getArticleId() ) {
 766                                 $s .= "\n<br />";
 767                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 768                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 769                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 770                         }
 771                         $s .= "<br />\n" . $this->otherLanguages();
 772                 }
 773                 return $s;
 774         }
 775
 776         function pageStats() {
 777                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 778                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 779
 780                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 781                 if ( ! $wgOut->isArticle() ) { return ''; }
 782                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 783                 if ( 0 == $wgArticle->getID() ) { return ''; }
 784
 785                 $s = '';
 786                 if ( !$wgDisableCounters ) {
 787                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 788                         if ( $count ) {
 789                                 $s = wfMsg( 'viewcount', $count );
 790                         }
 791                 }
 792
 793                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 794                     require_once('Credits.php');
 795                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 796                 } else {
 797                     $s .= $this->lastModified();
 798                 }
 799
 800                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 801                         $dbr =& wfGetDB( DB_SLAVE );
 802                         extract( $dbr->tableNames( 'watchlist' ) );
 803                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 804                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 805                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 806                         $res = $dbr->query( $sql, 'Skin::pageStats');
 807                         $x = $dbr->fetchObject( $res );
 808                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 809                 }
 810
 811                 return $s . ' ' .  $this->getCopyright();
 812         }
 813
 814         function getCopyright() {
 815                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 816
 817
 818                 $oldid = $wgRequest->getVal( 'oldid' );
 819                 $diff = $wgRequest->getVal( 'diff' );
 820
 821                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 822                         $msg = 'history_copyright';
 823                 } else {
 824                         $msg = 'copyright';
 825                 }
 826
 827                 $out = '';
 828                 if( $wgRightsPage ) {
 829                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 830                 } elseif( $wgRightsUrl ) {
 831                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 832                 } else {
 833                         # Give up now
 834                         return $out;
 835                 }
 836                 $out .= wfMsgForContent( $msg, $link );
 837                 return $out;
 838         }
 839
 840         function getCopyrightIcon() {
 841                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 842                 $out = '';
 843                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 844                         $out = $wgCopyrightIcon;
 845                 } else if ( $wgRightsIcon ) {
 846                         $icon = htmlspecialchars( $wgRightsIcon );
 847                         if ( $wgRightsUrl ) {
 848                                 $url = htmlspecialchars( $wgRightsUrl );
 849                                 $out .= '<a href="'.$url.'">';
 850                         }
 851                         $text = htmlspecialchars( $wgRightsText );
 852                         $out .= "<img src=\"$icon\" alt='$text' />";
 853                         if ( $wgRightsUrl ) {
 854                                 $out .= '</a>';
 855                         }
 856                 }
 857                 return $out;
 858         }
 859
 860         function getPoweredBy() {
 861                 global $wgStylePath;
 862                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 863                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 864                 return $img;
 865         }
 866
 867         function lastModified() {
 868                 global $wgLang, $wgArticle, $wgLoadBalancer;
 869
 870                 $timestamp = $wgArticle->getTimestamp();
 871                 if ( $timestamp ) {
 872                         $d = $wgLang->timeanddate( $timestamp, true );
 873                         $s = ' ' . wfMsg( 'lastmodified', $d );
 874                 } else {
 875                         $s = '';
 876                 }
 877                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 878                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 879                 }
 880                 return $s;
 881         }
 882
 883         function logoText( $align = '' ) {
 884                 if ( '' != $align ) { $a = " align='{$align}'"; }
 885                 else { $a = ''; }
 886
 887                 $mp = wfMsg( 'mainpage' );
 888                 $titleObj = Title::newFromText( $mp );
 889                 if ( is_object( $titleObj ) ) {
 890                         $url = $titleObj->escapeLocalURL();
 891                 } else {
 892                         $url = '';
 893                 }
 894
 895                 $logourl = $this->getLogo();
 896                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 897                 return $s;
 898         }
 899
 900         /**
 901          * show a drop-down box of special pages
 902          * @TODO crash bug913. Need to be rewrote completly.
 903          */
 904         function specialPagesList() {
 905                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 906                 require_once('SpecialPage.php');
 907                 $a = array();
 908                 $pages = SpecialPage::getPages();
 909
 910                 // special pages without access restriction
 911                 foreach ( $pages[''] as $name => $page ) {
 912                         $a[$name] = $page->getDescription();
 913                 }
 914
 915                 // Other special pages that are restricted.
 916                 // Copied from SpecialSpecialpages.php
 917                 foreach($wgAvailableRights as $right) {
 918                         if( $wgUser->isAllowed($right) ) {
 919                                 /** Add all pages for this right */
 920                                 if(isset($pages[$right])) {
 921                                         foreach($pages[$right] as $name => $page) {
 922                                         $a[$name] = $page->getDescription();
 923                                         }
 924                                 }
 925                         }
 926                 }
 927
 928                 $go = wfMsg( 'go' );
 929                 $sp = wfMsg( 'specialpages' );
 930                 $spp = $wgContLang->specialPage( 'Specialpages' );
 931
 932                 $s = '<form id="specialpages" method="get" class="inline" ' .
 933                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 934                 $s .= "<select name=\"wpDropdown\">\n";
 935                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 936
 937
 938                 foreach ( $a as $name => $desc ) {
 939                         $p = $wgContLang->specialPage( $name );
 940                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 941                 }
 942                 $s .= "</select>\n";
 943                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 944                 $s .= "</form>\n";
 945                 return $s;
 946         }
 947
 948         function mainPageLink() {
 949                 $mp = wfMsgForContent( 'mainpage' );
 950                 $mptxt = wfMsg( 'mainpage');
 951                 $s = $this->makeKnownLink( $mp, $mptxt );
 952                 return $s;
 953         }
 954
 955         function copyrightLink() {
 956                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 957                   wfMsg( 'copyrightpagename' ) );
 958                 return $s;
 959         }
 960
 961         function aboutLink() {
 962                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 963                   wfMsg( 'aboutsite' ) );
 964                 return $s;
 965         }
 966
 967
 968         function disclaimerLink() {
 969                 $disclaimers = wfMsg( 'disclaimers' );
 970                 if ($disclaimers == '-') {
 971                         return '';
 972                 } else {
 973                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 974                                                      $disclaimers );
 975                 }
 976         }
 977
 978         function editThisPage() {
 979                 global $wgOut, $wgTitle, $wgRequest;
 980
 981                 $oldid = $wgRequest->getVal( 'oldid' );
 982                 $diff = $wgRequest->getVal( 'diff' );
 983                 $redirect = $wgRequest->getVal( 'redirect' );
 984
 985                 if ( ! $wgOut->isArticleRelated() ) {
 986                         $s = wfMsg( 'protectedpage' );
 987                 } else {
 988                         if ( $wgTitle->userCanEdit() ) {
 989                                 $t = wfMsg( 'editthispage' );
 990                         } else {
 991                                 $t = wfMsg( 'viewsource' );
 992                         }
 993                         $oid = $red = '';
 994
 995                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
 996                         if ( $oldid && ! isset( $diff ) ) {
 997                                 $oid = '&oldid='.$oldid;
 998                         }
 999                         $s = $this->makeKnownLinkObj( $wgTitle, $t, "action=edit{$oid}{$red}" );
1000                 }
1001                 return $s;
1002         }
1003
1004         function deleteThisPage() {
1005                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1006
1007                 $diff = $wgRequest->getVal( 'diff' );
1008                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1009                         $t = wfMsg( 'deletethispage' );
1010
1011                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1012                 } else {
1013                         $s = '';
1014                 }
1015                 return $s;
1016         }
1017
1018         function protectThisPage() {
1019                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1020
1021                 $diff = $wgRequest->getVal( 'diff' );
1022                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1023                         if ( $wgTitle->isProtected() ) {
1024                                 $t = wfMsg( 'unprotectthispage' );
1025                                 $q = 'action=unprotect';
1026                         } else {
1027                                 $t = wfMsg( 'protectthispage' );
1028                                 $q = 'action=protect';
1029                         }
1030                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1031                 } else {
1032                         $s = '';
1033                 }
1034                 return $s;
1035         }
1036
1037         function watchThisPage() {
1038                 global $wgUser, $wgOut, $wgTitle;
1039
1040                 if ( $wgOut->isArticleRelated() ) {
1041                         if ( $wgTitle->userIsWatching() ) {
1042                                 $t = wfMsg( 'unwatchthispage' );
1043                                 $q = 'action=unwatch';
1044                         } else {
1045                                 $t = wfMsg( 'watchthispage' );
1046                                 $q = 'action=watch';
1047                         }
1048                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1049                 } else {
1050                         $s = wfMsg( 'notanarticle' );
1051                 }
1052                 return $s;
1053         }
1054
1055         function moveThisPage() {
1056                 global $wgTitle;
1057
1058                 if ( $wgTitle->userCanMove() ) {
1059                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1060                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1061                 } else {
1062                         // no message if page is protected - would be redundant
1063                         return '';
1064                 }
1065         }
1066
1067         function historyLink() {
1068                 global $wgTitle;
1069
1070                 return $this->makeKnownLinkObj( $wgTitle,
1071                   wfMsg( 'history' ), 'action=history' );
1072         }
1073
1074         function whatLinksHere() {
1075                 global $wgTitle;
1076
1077                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1078                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1079         }
1080
1081         function userContribsLink() {
1082                 global $wgTitle;
1083
1084                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1085                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1086         }
1087
1088         function showEmailUser( $id ) {
1089                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1090                 return $wgEnableEmail &&
1091                        $wgEnableUserEmail &&
1092                        $wgUser->isLoggedIn() && # show only to signed in users
1093                        0 != $id; # we can only email to non-anons ..
1094 #                      '' != $id->getEmail() && # who must have an email address stored ..
1095 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1096 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1097         }
1098
1099         function emailUserLink() {
1100                 global $wgTitle;
1101
1102                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1103                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1104         }
1105
1106         function watchPageLinksLink() {
1107                 global $wgOut, $wgTitle;
1108
1109                 if ( ! $wgOut->isArticleRelated() ) {
1110                         return '(' . wfMsg( 'notanarticle' ) . ')';
1111                 } else {
1112                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1113                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1114                           'target=' . $wgTitle->getPrefixedURL() );
1115                 }
1116         }
1117
1118         function otherLanguages() {
1119                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1120
1121                 if ( $wgHideInterlanguageLinks ) {
1122                         return '';
1123                 }
1124
1125                 $a = $wgOut->getLanguageLinks();
1126                 if ( 0 == count( $a ) ) {
1127                         return '';
1128                 }
1129
1130                 $s = wfMsg( 'otherlanguages' ) . ': ';
1131                 $first = true;
1132                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1133                 foreach( $a as $l ) {
1134                         if ( ! $first ) { $s .= ' | '; }
1135                         $first = false;
1136
1137                         $nt = Title::newFromText( $l );
1138                         $url = $nt->escapeFullURL();
1139                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1140
1141                         if ( '' == $text ) { $text = $l; }
1142                         $style = $this->getExternalLinkAttributes( $l, $text );
1143                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1144                 }
1145                 if($wgContLang->isRTL()) $s .= '</span>';
1146                 return $s;
1147         }
1148
1149         function bugReportsLink() {
1150                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1151                   wfMsg( 'bugreports' ) );
1152                 return $s;
1153         }
1154
1155         function dateLink() {
1156                 global $wgLinkCache;
1157                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1158                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1159
1160                 $wgLinkCache->suspend();
1161                 $id = $t1->getArticleID();
1162                 $wgLinkCache->resume();
1163
1164                 if ( 0 == $id ) {
1165                         $s = $this->makeBrokenLink( $t1->getText() );
1166                 } else {
1167                         $s = $this->makeKnownLink( $t1->getText() );
1168                 }
1169                 $s .= ', ';
1170
1171                 $wgLinkCache->suspend();
1172                 $id = $t2->getArticleID();
1173                 $wgLinkCache->resume();
1174
1175                 if ( 0 == $id ) {
1176                         $s .= $this->makeBrokenLink( $t2->getText() );
1177                 } else {
1178                         $s .= $this->makeKnownLink( $t2->getText() );
1179                 }
1180                 return $s;
1181         }
1182
1183         function talkLink() {
1184                 global $wgTitle, $wgLinkCache;
1185
1186                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1187                         # No discussion links for special pages
1188                         return '';
1189                 }
1190
1191                 if( $wgTitle->isTalkPage() ) {
1192                         $link = $wgTitle->getSubjectPage();
1193                         switch( $link->getNamespace() ) {
1194                         case NS_MAIN:
1195                                 $text = wfMsg('articlepage');
1196                                 break;
1197                         case NS_USER:
1198                                 $text = wfMsg('userpage');
1199                                 break;
1200                         case NS_PROJECT:
1201                                 $text = wfMsg('wikipediapage');
1202                                 break;
1203                         case NS_IMAGE:
1204                                 $text = wfMsg('imagepage');
1205                                 break;
1206                         default:
1207                                 $text= wfMsg('articlepage');
1208                         }
1209                 } else {
1210                         $link = $wgTitle->getTalkPage();
1211                         $text = wfMsg( 'talkpage' );
1212                 }
1213
1214                 $wgLinkCache->suspend();
1215                 $s = $this->makeLinkObj( $link, $text );
1216                 $wgLinkCache->resume();
1217
1218                 return $s;
1219         }
1220
1221         function commentLink() {
1222                 global $wgContLang, $wgTitle, $wgLinkCache;
1223
1224                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1225                         return '';
1226                 }
1227                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1228                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1229         }
1230
1231         /* these are used extensively in SkinPHPTal, but also some other places */
1232         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1233                 $title = Title::makeTitle( NS_SPECIAL, $name );
1234                 return $title->getLocalURL( $urlaction );
1235         }
1236
1237         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1238                 $title = Title::newFromText( wfMsgForContent($name) );
1239                 $this->checkTitle($title, $name);
1240                 return $title->getLocalURL( $urlaction );
1241         }
1242
1243         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1244                 $title = Title::newFromText( $name );
1245                 $this->checkTitle($title, $name);
1246                 return $title->getLocalURL( $urlaction );
1247         }
1248
1249         # If url string starts with http, consider as external URL, else
1250         # internal
1251         /*static*/ function makeInternalOrExternalUrl( $name ) {
1252                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1253                         return $name;
1254                 } else {
1255                         return $this->makeUrl( $name );
1256                 }
1257         }
1258
1259         # this can be passed the NS number as defined in Language.php
1260         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1261                 $title = Title::makeTitleSafe( $namespace, $name );
1262                 $this->checkTitle($title, $name);
1263                 return $title->getLocalURL( $urlaction );
1264         }
1265
1266         /* these return an array with the 'href' and boolean 'exists' */
1267         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1268                 $title = Title::newFromText( $name );
1269                 $this->checkTitle($title, $name);
1270                 return array(
1271                         'href' => $title->getLocalURL( $urlaction ),
1272                         'exists' => $title->getArticleID() != 0?true:false
1273                 );
1274         }
1275
1276         # make sure we have some title to operate on
1277         /*static*/ function checkTitle ( &$title, &$name ) {
1278                 if(!is_object($title)) {
1279                         $title = Title::newFromText( $name );
1280                         if(!is_object($title)) {
1281                                 $title = Title::newFromText( '--error: link target missing--' );
1282                         }
1283                 }
1284         }
1285
1286         /**
1287          * Build an array that represents the sidebar(s), the navigation bar among them
1288          *
1289          * @return array
1290          * @access private
1291          */
1292         function buildSidebar() {
1293                 $fname = 'SkinTemplate::buildSidebar';
1294                 wfProfileIn( $fname );
1295
1296                 $bar = array();
1297                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1298                 foreach ($lines as $line) {
1299                         if (strpos($line, '*') !== 0)
1300                                 continue;
1301                         if (strpos($line, '**') !== 0) {
1302                                 $line = trim($line, '* ');
1303                                 $heading = $line;
1304                         } else {
1305                                 if (strpos($line, '|') !== false) { // sanity check
1306                                         $line = explode( '|' , trim($line, '* '), 2 );
1307                                         $link = wfMsgForContent( $line[0] );
1308                                         if ($link == '-')
1309                                                 continue;
1310                                         $bar[$heading][] = array(
1311                                                 'text' => wfMsg( $line[1] ),
1312                                                 'href' => $this->makeInternalOrExternalUrl( $link ),
1313                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1314                                         );
1315                                 } else { continue; }
1316                         }
1317                 }
1318
1319                 wfProfileOut( $fname );
1320                 return $bar;
1321         }
1322 }
1323
1324 }
1325 ?>