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, $wgUseTrackbacks;
 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                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 180                         $userpage = $wgUser->getUserPage();
 181                         $userjs = htmlspecialchars( $this->makeUrl(
 182                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 183                                 'action=raw&ctype='.$wgJsMimeType));
 184                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 185                 }
 186                 return $r;
 187         }
 188
 189         /**
 190          * To make it harder for someone to slip a user a fake
 191          * user-JavaScript or user-CSS preview, a random token
 192          * is associated with the login session. If it's not
 193          * passed back with the preview request, we won't render
 194          * the code.
 195          *
 196          * @param string $action
 197          * @return bool
 198          * @access private
 199          */
 200         function userCanPreview( $action ) {
 201                 global $wgTitle, $wgRequest, $wgUser;
 202
 203                 if( $action != 'submit' )
 204                         return false;
 205                 if( !$wgRequest->wasPosted() )
 206                         return false;
 207                 if( !$wgTitle->userCanEditCssJsSubpage() )
 208                         return false;
 209                 return $wgUser->matchEditToken(
 210                         $wgRequest->getVal( 'wpEditToken' ) );
 211         }
 212
 213         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 214         function getUserStylesheet() {
 215                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 216                 $sheet = $this->getStylesheet();
 217                 $action = $wgRequest->getText('action');
 218                 $s = "@import \"$wgStylePath/$sheet\";\n";
 219                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 220                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 221                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 222                                 $s .= $wgRequest->getText('wpTextbox1');
 223                         } else {
 224                                 $userpage = $wgUser->getUserPage();
 225                                 $s.= '@import "'.$this->makeUrl(
 226                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 227                                         'action=raw&ctype=text/css').'";'."\n";
 228                         }
 229                 }
 230                 $s .= $this->doGetUserStyles();
 231                 return $s."\n";
 232         }
 233
 234         /**
 235          * placeholder, returns generated js in monobook
 236          */
 237         function getUserJs() { return; }
 238
 239         /**
 240          * Return html code that include User stylesheets
 241          */
 242         function getUserStyles() {
 243                 global $wgOut, $wgStylePath, $wgLang;
 244                 $s = "<style type='text/css'>\n";
 245                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 246                 $s .= $this->getUserStylesheet();
 247                 $s .= "/*]]>*/ /* */\n";
 248                 $s .= "</style>\n";
 249                 return $s;
 250         }
 251
 252         /**
 253          * Some styles that are set by user through the user settings interface.
 254          */
 255         function doGetUserStyles() {
 256                 global $wgUser, $wgContLang;
 257
 258                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 259                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 260
 261                 return $s . $this->reallyDoGetUserStyles();
 262         }
 263
 264         function reallyDoGetUserStyles() {
 265                 global $wgUser;
 266                 $s = '';
 267                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 268                         $underline = $undopt ? 'underline' : 'none';
 269                         $s .= "a { text-decoration: $underline; }\n";
 270                 }
 271                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 272                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 273                 } else {
 274                         $s .= <<<END
 275 a.new, #quickbar a.new,
 276 a.stub, #quickbar a.stub {
 277         color: inherit;
 278         text-decoration: inherit;
 279 }
 280 a.new:after, #quickbar a.new:after {
 281         content: "?";
 282         color: #CC2200;
 283         text-decoration: $underline;
 284 }
 285 a.stub:after, #quickbar a.stub:after {
 286         content: "!";
 287         color: #772233;
 288         text-decoration: $underline;
 289 }
 290 END;
 291                 }
 292                 if( $wgUser->getOption( 'justify' ) ) {
 293                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 294                 }
 295                 if( !$wgUser->getOption( 'showtoc' ) ) {
 296                         $s .= "#toc { display: none; }\n";
 297                 }
 298                 if( !$wgUser->getOption( 'editsection' ) ) {
 299                         $s .= ".editsection { display: none; }\n";
 300                 }
 301                 return $s;
 302         }
 303
 304         function getBodyOptions() {
 305                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 306
 307                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 308
 309                 if ( 0 != $wgTitle->getNamespace() ) {
 310                         $a = array( 'bgcolor' => '#ffffec' );
 311                 }
 312                 else $a = array( 'bgcolor' => '#FFFFFF' );
 313                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 314                   (!$wgTitle->isProtected() || $wgUser->isAllowed('protect')) ) {
 315                         $t = wfMsg( 'editthispage' );
 316                         $oid = $red = '';
 317                         if ( !empty($redirect) && $redirect == 'no' ) {
 318                                 $red = "&redirect={$redirect}";
 319                         }
 320                         if ( !empty($oldid) && ! isset( $diff ) ) {
 321                                 $oid = "&oldid=" . intval( $oldid );
 322                         }
 323                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 324                         $s = 'document.location = "' .$s .'";';
 325                         $a += array ('ondblclick' => $s);
 326
 327                 }
 328                 $a['onload'] = $wgOut->getOnloadHandler();
 329                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 330                         if( $a['onload'] != '' ) {
 331                                 $a['onload'] .= ';';
 332                         }
 333                         $a['onload'] .= 'setupRightClickEdit()';
 334                 }
 335                 return $a;
 336         }
 337
 338         /**
 339          * URL to the logo
 340          */
 341         function getLogo() {
 342                 global $wgLogo;
 343                 return $wgLogo;
 344         }
 345
 346         /**
 347          * This will be called immediately after the <body> tag.  Split into
 348          * two functions to make it easier to subclass.
 349          */
 350         function beforeContent() {
 351                 return $this->doBeforeContent();
 352         }
 353
 354         function doBeforeContent() {
 355                 global $wgOut, $wgTitle, $wgContLang;
 356                 $fname = 'Skin::doBeforeContent';
 357                 wfProfileIn( $fname );
 358
 359                 $s = '';
 360                 $qb = $this->qbSetting();
 361
 362                 if( $langlinks = $this->otherLanguages() ) {
 363                         $rows = 2;
 364                         $borderhack = '';
 365                 } else {
 366                         $rows = 1;
 367                         $langlinks = false;
 368                         $borderhack = 'class="top"';
 369                 }
 370
 371                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 372                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 373
 374                 $shove = ($qb != 0);
 375                 $left = ($qb == 1 || $qb == 3);
 376                 if($wgContLang->isRTL()) $left = !$left;
 377
 378                 if ( !$shove ) {
 379                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 380                           $this->logoText() . '</td>';
 381                 } elseif( $left ) {
 382                         $s .= $this->getQuickbarCompensator( $rows );
 383                 }
 384                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 385                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 386
 387                 $s .= $this->topLinks() ;
 388                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 389
 390                 $r = $wgContLang->isRTL() ? "left" : "right";
 391                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 392                 $s .= $this->nameAndLogin();
 393                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 394
 395                 if ( $langlinks ) {
 396                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 397                 }
 398
 399                 if ( $shove && !$left ) { # Right
 400                         $s .= $this->getQuickbarCompensator( $rows );
 401                 }
 402                 $s .= "</tr>\n</table>\n</div>\n";
 403                 $s .= "\n<div id='article'>\n";
 404
 405                 $notice = wfGetSiteNotice();
 406                 if( $notice ) {
 407                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 408                 }
 409                 $s .= $this->pageTitle();
 410                 $s .= $this->pageSubtitle() ;
 411                 $s .= $this->getCategories();
 412                 wfProfileOut( $fname );
 413                 return $s;
 414         }
 415
 416
 417         function getCategoryLinks () {
 418                 global $wgOut, $wgTitle, $wgParser;
 419                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 420
 421                 if( !$wgUseCategoryMagic ) return '' ;
 422                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 423
 424                 # Taken out so that they will be displayed in previews -- TS
 425                 #if( !$wgOut->isArticle() ) return '';
 426
 427                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 428                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 429                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 430                         . ': ' . $t;
 431
 432                 # optional 'dmoz-like' category browser. Will be shown under the list
 433                 # of categories an article belong to
 434                 if($wgUseCategoryBrowser) {
 435                         $s .= '<br /><hr />';
 436
 437                         # get a big array of the parents tree
 438                         $parenttree = $wgTitle->getParentCategoryTree();
 439
 440                         # Skin object passed by reference cause it can not be
 441                         # accessed under the method subfunction walkThrough.
 442                         $s .= Skin::drawCategoryBrowser($parenttree, $this);
 443                 }
 444
 445                 return $s;
 446         }
 447
 448         # Render the array as a serie of links
 449         function drawCategoryBrowser ($tree, &$skin) {
 450                 $return = '';
 451                 foreach ($tree as $element => $parent) {
 452                         if (empty($parent)) {
 453                                 # element start a new list
 454                                 $return .= "<br />\n";
 455                         } else {
 456                                 # grab the others elements
 457                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 458                         }
 459                         # add our current element to the list
 460                         $eltitle = Title::NewFromText($element);
 461                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 462                 }
 463                 return $return;
 464         }
 465
 466         function getCategories() {
 467                 $catlinks=$this->getCategoryLinks();
 468                 if(!empty($catlinks)) {
 469                         return "<p class='catlinks'>{$catlinks}</p>";
 470                 }
 471         }
 472
 473         function getQuickbarCompensator( $rows = 1 ) {
 474                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 475         }
 476
 477         /**
 478          * This gets called immediately before the </body> tag.
 479          * @return string HTML to be put after </body> ???
 480          */
 481         function afterContent() {
 482                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 483                 return $printfooter . $this->doAfterContent();
 484         }
 485
 486         /** @return string Retrievied from HTML text */
 487         function printSource() {
 488                 global $wgTitle;
 489                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 490                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 491         }
 492
 493         function printFooter() {
 494                 return "<p>" .  $this->printSource() .
 495                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 496         }
 497
 498         /** overloaded by derived classes */
 499         function doAfterContent() { }
 500
 501         function pageTitleLinks() {
 502                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 503
 504                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 505                 $action = $wgRequest->getText( 'action' );
 506
 507                 $s = $this->printableLink();
 508                 $disclaimer = $this->disclaimerLink(); # may be empty
 509                 if( $disclaimer ) {
 510                         $s .= ' | ' . $disclaimer;
 511                 }
 512
 513                 if ( $wgOut->isArticleRelated() ) {
 514                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 515                                 $name = $wgTitle->getDBkey();
 516                                 $image = new Image( $wgTitle );
 517                                 if( $image->exists() ) {
 518                                         $link = htmlspecialchars( $image->getURL() );
 519                                         $style = $this->getInternalLinkAttributes( $link, $name );
 520                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 521                                 }
 522                         }
 523                 }
 524                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 525                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 526                                         wfMsg( 'currentrev' ) );
 527                 }
 528
 529                 if ( $wgUser->getNewtalk() ) {
 530                 # do not show "You have new messages" text when we are viewing our
 531                 # own talk page
 532
 533                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 534                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 535                                                 wfMsg('newmessageslink') );
 536                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 537                                 # disable caching
 538                                 $wgOut->setSquidMaxage(0);
 539                                 $wgOut->enableClientCache(false);
 540                         }
 541                 }
 542
 543                 $undelete = $this->getUndeleteLink();
 544                 if( !empty( $undelete ) ) {
 545                         $s .= ' | '.$undelete;
 546                 }
 547                 return $s;
 548         }
 549
 550         function getUndeleteLink() {
 551                 global $wgUser, $wgTitle, $wgContLang, $action;
 552                 if(     (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 553                         ($n = $wgTitle->isDeleted() ) )
 554                 {
 555                         if ( $wgUser->isAllowed( 'delete' ) ) {
 556                                 $msg = 'thisisdeleted';
 557                         } else {
 558                                 $msg = 'viewdeleted';
 559                         }
 560                         return wfMsg( $msg,
 561                                 $this->makeKnownLink(
 562                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 563                                         wfMsg( 'restorelink' . ($n == 1 ? '1' : ''), $n ) ) );
 564                 }
 565                 return '';
 566         }
 567
 568         function printableLink() {
 569                 global $wgOut, $wgFeedClasses, $wgRequest;
 570
 571                 $baseurl = $_SERVER['REQUEST_URI'];
 572                 if( strpos( '?', $baseurl ) == false ) {
 573                         $baseurl .= '?';
 574                 } else {
 575                         $baseurl .= '&';
 576                 }
 577                 $baseurl = htmlspecialchars( $baseurl );
 578                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 579
 580                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 581                 if( $wgOut->isSyndicated() ) {
 582                         foreach( $wgFeedClasses as $format => $class ) {
 583                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 584                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 585                         }
 586                 }
 587                 return $s;
 588         }
 589
 590         function pageTitle() {
 591                 global $wgOut, $wgTitle, $wgUser;
 592
 593                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 594                 return $s;
 595         }
 596
 597         function pageSubtitle() {
 598                 global $wgOut;
 599
 600                 $sub = $wgOut->getSubtitle();
 601                 if ( '' == $sub ) {
 602                         global $wgExtraSubtitle;
 603                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 604                 }
 605                 $subpages = $this->subPageSubtitle();
 606                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 607                 $s = "<p class='subtitle'>{$sub}</p>\n";
 608                 return $s;
 609         }
 610
 611         function subPageSubtitle() {
 612                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 613                 $subpages = '';
 614                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 615                         $ptext=$wgTitle->getPrefixedText();
 616                         if(preg_match('/\//',$ptext)) {
 617                                 $links = explode('/',$ptext);
 618                                 $c = 0;
 619                                 $growinglink = '';
 620                                 foreach($links as $link) {
 621                                         $c++;
 622                                         if ($c<count($links)) {
 623                                                 $growinglink .= $link;
 624                                                 $getlink = $this->makeLink( $growinglink, $link );
 625                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 626                                                 if ($c>1) {
 627                                                         $subpages .= ' | ';
 628                                                 } else  {
 629                                                         $subpages .= '&lt; ';
 630                                                 }
 631                                                 $subpages .= $getlink;
 632                                                 $growinglink .= '/';
 633                                         }
 634                                 }
 635                         }
 636                 }
 637                 return $subpages;
 638         }
 639
 640         function nameAndLogin() {
 641                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 642
 643                 $li = $wgContLang->specialPage( 'Userlogin' );
 644                 $lo = $wgContLang->specialPage( 'Userlogout' );
 645
 646                 $s = '';
 647                 if ( $wgUser->isAnon() ) {
 648                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 649                                 $n = $wgIP;
 650
 651                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 652                                   $wgLang->getNsText( NS_TALK ) );
 653
 654                                 $s .= $n . ' ('.$tl.')';
 655                         } else {
 656                                 $s .= wfMsg('notloggedin');
 657                         }
 658
 659                         $rt = $wgTitle->getPrefixedURL();
 660                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 661                                 $q = '';
 662                         } else { $q = "returnto={$rt}"; }
 663
 664                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 665                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 666                                 wfMsg( 'login' ), $q );
 667                 } else {
 668                         $n = $wgUser->getName();
 669                         $rt = $wgTitle->getPrefixedURL();
 670                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 671                           $wgLang->getNsText( NS_TALK ) );
 672
 673                         $tl = " ({$tl})";
 674
 675                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 676                           $n ) . "{$tl}<br />" .
 677                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 678                           "returnto={$rt}" ) . ' | ' .
 679                           $this->specialLink( 'preferences' );
 680                 }
 681                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 682                   wfMsg( 'help' ) );
 683
 684                 return $s;
 685         }
 686
 687         function getSearchLink() {
 688                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 689                 return $searchPage->getLocalURL();
 690         }
 691
 692         function escapeSearchLink() {
 693                 return htmlspecialchars( $this->getSearchLink() );
 694         }
 695
 696         function searchForm() {
 697                 global $wgRequest;
 698                 $search = $wgRequest->getText( 'search' );
 699
 700                 $s = '<form name="search" class="inline" method="post" action="'
 701                   . $this->escapeSearchLink() . "\">\n"
 702                   . '<input type="text" name="search" size="19" value="'
 703                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 704                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 705                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 706
 707                 return $s;
 708         }
 709
 710         function topLinks() {
 711                 global $wgOut;
 712                 $sep = " |\n";
 713
 714                 $s = $this->mainPageLink() . $sep
 715                   . $this->specialLink( 'recentchanges' );
 716
 717                 if ( $wgOut->isArticleRelated() ) {
 718                         $s .=  $sep . $this->editThisPage()
 719                           . $sep . $this->historyLink();
 720                 }
 721                 # Many people don't like this dropdown box
 722                 #$s .= $sep . $this->specialPagesList();
 723
 724                 /* show links to different language variants */
 725                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 726                 $variants = $wgContLang->getVariants();
 727                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 728                         foreach( $variants as $code ) {
 729                                 $varname = $wgContLang->getVariantname( $code );
 730                                 if( $varname == 'disable' )
 731                                         continue;
 732                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 733                         }
 734                 }
 735
 736                 return $s;
 737         }
 738
 739         function bottomLinks() {
 740                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 741                 $sep = " |\n";
 742
 743                 $s = '';
 744                 if ( $wgOut->isArticleRelated() ) {
 745                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 746                         if ( $wgUser->isLoggedIn() ) {
 747                                 $s .= $sep . $this->watchThisPage();
 748                         }
 749                         $s .= $sep . $this->talkLink()
 750                           . $sep . $this->historyLink()
 751                           . $sep . $this->whatLinksHere()
 752                           . $sep . $this->watchPageLinksLink();
 753
 754                         if ($wgUseTrackbacks)
 755                                 $s .= $sep . $this->trackbackLink();
 756
 757                         if ( $wgTitle->getNamespace() == NS_USER
 758                             || $wgTitle->getNamespace() == NS_USER_TALK )
 759
 760                         {
 761                                 $id=User::idFromName($wgTitle->getText());
 762                                 $ip=User::isIP($wgTitle->getText());
 763
 764                                 if($id || $ip) { # both anons and non-anons have contri list
 765                                         $s .= $sep . $this->userContribsLink();
 766                                 }
 767                                 if( $this->showEmailUser( $id ) ) {
 768                                         $s .= $sep . $this->emailUserLink();
 769                                 }
 770                         }
 771                         if ( $wgTitle->getArticleId() ) {
 772                                 $s .= "\n<br />";
 773                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 774                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 775                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 776                         }
 777                         $s .= "<br />\n" . $this->otherLanguages();
 778                 }
 779                 return $s;
 780         }
 781
 782         function pageStats() {
 783                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 784                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 785
 786                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 787                 if ( ! $wgOut->isArticle() ) { return ''; }
 788                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 789                 if ( 0 == $wgArticle->getID() ) { return ''; }
 790
 791                 $s = '';
 792                 if ( !$wgDisableCounters ) {
 793                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 794                         if ( $count ) {
 795                                 $s = wfMsg( 'viewcount', $count );
 796                         }
 797                 }
 798
 799                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 800                     require_once('Credits.php');
 801                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 802                 } else {
 803                     $s .= $this->lastModified();
 804                 }
 805
 806                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 807                         $dbr =& wfGetDB( DB_SLAVE );
 808                         extract( $dbr->tableNames( 'watchlist' ) );
 809                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 810                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 811                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 812                         $res = $dbr->query( $sql, 'Skin::pageStats');
 813                         $x = $dbr->fetchObject( $res );
 814                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 815                 }
 816
 817                 return $s . ' ' .  $this->getCopyright();
 818         }
 819
 820         function getCopyright() {
 821                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 822
 823
 824                 $oldid = $wgRequest->getVal( 'oldid' );
 825                 $diff = $wgRequest->getVal( 'diff' );
 826
 827                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 828                         $msg = 'history_copyright';
 829                 } else {
 830                         $msg = 'copyright';
 831                 }
 832
 833                 $out = '';
 834                 if( $wgRightsPage ) {
 835                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 836                 } elseif( $wgRightsUrl ) {
 837                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 838                 } else {
 839                         # Give up now
 840                         return $out;
 841                 }
 842                 $out .= wfMsgForContent( $msg, $link );
 843                 return $out;
 844         }
 845
 846         function getCopyrightIcon() {
 847                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 848                 $out = '';
 849                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 850                         $out = $wgCopyrightIcon;
 851                 } else if ( $wgRightsIcon ) {
 852                         $icon = htmlspecialchars( $wgRightsIcon );
 853                         if ( $wgRightsUrl ) {
 854                                 $url = htmlspecialchars( $wgRightsUrl );
 855                                 $out .= '<a href="'.$url.'">';
 856                         }
 857                         $text = htmlspecialchars( $wgRightsText );
 858                         $out .= "<img src=\"$icon\" alt='$text' />";
 859                         if ( $wgRightsUrl ) {
 860                                 $out .= '</a>';
 861                         }
 862                 }
 863                 return $out;
 864         }
 865
 866         function getPoweredBy() {
 867                 global $wgStylePath;
 868                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 869                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 870                 return $img;
 871         }
 872
 873         function lastModified() {
 874                 global $wgLang, $wgArticle, $wgLoadBalancer;
 875
 876                 $timestamp = $wgArticle->getTimestamp();
 877                 if ( $timestamp ) {
 878                         $d = $wgLang->timeanddate( $timestamp, true );
 879                         $s = ' ' . wfMsg( 'lastmodified', $d );
 880                 } else {
 881                         $s = '';
 882                 }
 883                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 884                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 885                 }
 886                 return $s;
 887         }
 888
 889         function logoText( $align = '' ) {
 890                 if ( '' != $align ) { $a = " align='{$align}'"; }
 891                 else { $a = ''; }
 892
 893                 $mp = wfMsg( 'mainpage' );
 894                 $titleObj = Title::newFromText( $mp );
 895                 if ( is_object( $titleObj ) ) {
 896                         $url = $titleObj->escapeLocalURL();
 897                 } else {
 898                         $url = '';
 899                 }
 900
 901                 $logourl = $this->getLogo();
 902                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 903                 return $s;
 904         }
 905
 906         /**
 907          * show a drop-down box of special pages
 908          * @TODO crash bug913. Need to be rewrote completly.
 909          */
 910         function specialPagesList() {
 911                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 912                 require_once('SpecialPage.php');
 913                 $a = array();
 914                 $pages = SpecialPage::getPages();
 915
 916                 // special pages without access restriction
 917                 foreach ( $pages[''] as $name => $page ) {
 918                         $a[$name] = $page->getDescription();
 919                 }
 920
 921                 // Other special pages that are restricted.
 922                 // Copied from SpecialSpecialpages.php
 923                 foreach($wgAvailableRights as $right) {
 924                         if( $wgUser->isAllowed($right) ) {
 925                                 /** Add all pages for this right */
 926                                 if(isset($pages[$right])) {
 927                                         foreach($pages[$right] as $name => $page) {
 928                                         $a[$name] = $page->getDescription();
 929                                         }
 930                                 }
 931                         }
 932                 }
 933
 934                 $go = wfMsg( 'go' );
 935                 $sp = wfMsg( 'specialpages' );
 936                 $spp = $wgContLang->specialPage( 'Specialpages' );
 937
 938                 $s = '<form id="specialpages" method="get" class="inline" ' .
 939                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 940                 $s .= "<select name=\"wpDropdown\">\n";
 941                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 942
 943
 944                 foreach ( $a as $name => $desc ) {
 945                         $p = $wgContLang->specialPage( $name );
 946                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 947                 }
 948                 $s .= "</select>\n";
 949                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 950                 $s .= "</form>\n";
 951                 return $s;
 952         }
 953
 954         function mainPageLink() {
 955                 $mp = wfMsgForContent( 'mainpage' );
 956                 $mptxt = wfMsg( 'mainpage');
 957                 $s = $this->makeKnownLink( $mp, $mptxt );
 958                 return $s;
 959         }
 960
 961         function copyrightLink() {
 962                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 963                   wfMsg( 'copyrightpagename' ) );
 964                 return $s;
 965         }
 966
 967         function aboutLink() {
 968                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 969                   wfMsg( 'aboutsite' ) );
 970                 return $s;
 971         }
 972
 973
 974         function disclaimerLink() {
 975                 $disclaimers = wfMsg( 'disclaimers' );
 976                 if ($disclaimers == '-') {
 977                         return '';
 978                 } else {
 979                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 980                                                      $disclaimers );
 981                 }
 982         }
 983
 984         function editThisPage() {
 985                 global $wgOut, $wgTitle, $wgRequest;
 986
 987                 $oldid = $wgRequest->getVal( 'oldid' );
 988                 $diff = $wgRequest->getVal( 'diff' );
 989                 $redirect = $wgRequest->getVal( 'redirect' );
 990
 991                 if ( ! $wgOut->isArticleRelated() ) {
 992                         $s = wfMsg( 'protectedpage' );
 993                 } else {
 994                         if ( $wgTitle->userCanEdit() ) {
 995                                 $t = wfMsg( 'editthispage' );
 996                         } else {
 997                                 $t = wfMsg( 'viewsource' );
 998                         }
 999                         $oid = $red = '';
1000
1001                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1002                         if ( $oldid && ! isset( $diff ) ) {
1003                                 $oid = '&oldid='.$oldid;
1004                         }
1005                         $s = $this->makeKnownLinkObj( $wgTitle, $t, "action=edit{$oid}{$red}" );
1006                 }
1007                 return $s;
1008         }
1009
1010         function deleteThisPage() {
1011                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1012
1013                 $diff = $wgRequest->getVal( 'diff' );
1014                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1015                         $t = wfMsg( 'deletethispage' );
1016
1017                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1018                 } else {
1019                         $s = '';
1020                 }
1021                 return $s;
1022         }
1023
1024         function protectThisPage() {
1025                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1026
1027                 $diff = $wgRequest->getVal( 'diff' );
1028                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1029                         if ( $wgTitle->isProtected() ) {
1030                                 $t = wfMsg( 'unprotectthispage' );
1031                                 $q = 'action=unprotect';
1032                         } else {
1033                                 $t = wfMsg( 'protectthispage' );
1034                                 $q = 'action=protect';
1035                         }
1036                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1037                 } else {
1038                         $s = '';
1039                 }
1040                 return $s;
1041         }
1042
1043         function watchThisPage() {
1044                 global $wgUser, $wgOut, $wgTitle;
1045
1046                 if ( $wgOut->isArticleRelated() ) {
1047                         if ( $wgTitle->userIsWatching() ) {
1048                                 $t = wfMsg( 'unwatchthispage' );
1049                                 $q = 'action=unwatch';
1050                         } else {
1051                                 $t = wfMsg( 'watchthispage' );
1052                                 $q = 'action=watch';
1053                         }
1054                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1055                 } else {
1056                         $s = wfMsg( 'notanarticle' );
1057                 }
1058                 return $s;
1059         }
1060
1061         function moveThisPage() {
1062                 global $wgTitle;
1063
1064                 if ( $wgTitle->userCanMove() ) {
1065                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1066                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1067                 } else {
1068                         // no message if page is protected - would be redundant
1069                         return '';
1070                 }
1071         }
1072
1073         function historyLink() {
1074                 global $wgTitle;
1075
1076                 return $this->makeKnownLinkObj( $wgTitle,
1077                   wfMsg( 'history' ), 'action=history' );
1078         }
1079
1080         function whatLinksHere() {
1081                 global $wgTitle;
1082
1083                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1084                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1085         }
1086
1087         function userContribsLink() {
1088                 global $wgTitle;
1089
1090                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1091                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1092         }
1093
1094         function showEmailUser( $id ) {
1095                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1096                 return $wgEnableEmail &&
1097                        $wgEnableUserEmail &&
1098                        $wgUser->isLoggedIn() && # show only to signed in users
1099                        0 != $id; # we can only email to non-anons ..
1100 #                      '' != $id->getEmail() && # who must have an email address stored ..
1101 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1102 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1103         }
1104
1105         function emailUserLink() {
1106                 global $wgTitle;
1107
1108                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1109                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1110         }
1111
1112         function watchPageLinksLink() {
1113                 global $wgOut, $wgTitle;
1114
1115                 if ( ! $wgOut->isArticleRelated() ) {
1116                         return '(' . wfMsg( 'notanarticle' ) . ')';
1117                 } else {
1118                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1119                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1120                           'target=' . $wgTitle->getPrefixedURL() );
1121                 }
1122         }
1123
1124         function trackbackLink() {
1125                 global $wgTitle;
1126
1127                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1128                         . wfMsg('trackbacklink') . "</a>";
1129         }
1130
1131         function otherLanguages() {
1132                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1133
1134                 if ( $wgHideInterlanguageLinks ) {
1135                         return '';
1136                 }
1137
1138                 $a = $wgOut->getLanguageLinks();
1139                 if ( 0 == count( $a ) ) {
1140                         return '';
1141                 }
1142
1143                 $s = wfMsg( 'otherlanguages' ) . ': ';
1144                 $first = true;
1145                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1146                 foreach( $a as $l ) {
1147                         if ( ! $first ) { $s .= ' | '; }
1148                         $first = false;
1149
1150                         $nt = Title::newFromText( $l );
1151                         $url = $nt->escapeFullURL();
1152                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1153
1154                         if ( '' == $text ) { $text = $l; }
1155                         $style = $this->getExternalLinkAttributes( $l, $text );
1156                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1157                 }
1158                 if($wgContLang->isRTL()) $s .= '</span>';
1159                 return $s;
1160         }
1161
1162         function bugReportsLink() {
1163                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1164                   wfMsg( 'bugreports' ) );
1165                 return $s;
1166         }
1167
1168         function dateLink() {
1169                 global $wgLinkCache;
1170                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1171                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1172
1173                 $wgLinkCache->suspend();
1174                 $id = $t1->getArticleID();
1175                 $wgLinkCache->resume();
1176
1177                 if ( 0 == $id ) {
1178                         $s = $this->makeBrokenLink( $t1->getText() );
1179                 } else {
1180                         $s = $this->makeKnownLink( $t1->getText() );
1181                 }
1182                 $s .= ', ';
1183
1184                 $wgLinkCache->suspend();
1185                 $id = $t2->getArticleID();
1186                 $wgLinkCache->resume();
1187
1188                 if ( 0 == $id ) {
1189                         $s .= $this->makeBrokenLink( $t2->getText() );
1190                 } else {
1191                         $s .= $this->makeKnownLink( $t2->getText() );
1192                 }
1193                 return $s;
1194         }
1195
1196         function talkLink() {
1197                 global $wgTitle, $wgLinkCache;
1198
1199                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1200                         # No discussion links for special pages
1201                         return '';
1202                 }
1203
1204                 if( $wgTitle->isTalkPage() ) {
1205                         $link = $wgTitle->getSubjectPage();
1206                         switch( $link->getNamespace() ) {
1207                         case NS_MAIN:
1208                                 $text = wfMsg('articlepage');
1209                                 break;
1210                         case NS_USER:
1211                                 $text = wfMsg('userpage');
1212                                 break;
1213                         case NS_PROJECT:
1214                                 $text = wfMsg('wikipediapage');
1215                                 break;
1216                         case NS_IMAGE:
1217                                 $text = wfMsg('imagepage');
1218                                 break;
1219                         default:
1220                                 $text= wfMsg('articlepage');
1221                         }
1222                 } else {
1223                         $link = $wgTitle->getTalkPage();
1224                         $text = wfMsg( 'talkpage' );
1225                 }
1226
1227                 $wgLinkCache->suspend();
1228                 $s = $this->makeLinkObj( $link, $text );
1229                 $wgLinkCache->resume();
1230
1231                 return $s;
1232         }
1233
1234         function commentLink() {
1235                 global $wgContLang, $wgTitle, $wgLinkCache;
1236
1237                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1238                         return '';
1239                 }
1240                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1241                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1242         }
1243
1244         /* these are used extensively in SkinPHPTal, but also some other places */
1245         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1246                 $title = Title::makeTitle( NS_SPECIAL, $name );
1247                 return $title->getLocalURL( $urlaction );
1248         }
1249
1250         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1251                 $title = Title::newFromText( wfMsgForContent($name) );
1252                 $this->checkTitle($title, $name);
1253                 return $title->getLocalURL( $urlaction );
1254         }
1255
1256         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1257                 $title = Title::newFromText( $name );
1258                 $this->checkTitle($title, $name);
1259                 return $title->getLocalURL( $urlaction );
1260         }
1261
1262         # If url string starts with http, consider as external URL, else
1263         # internal
1264         /*static*/ function makeInternalOrExternalUrl( $name ) {
1265                 global $wgUrlProtocols;
1266                 if ( preg_match( '/^(?:' . $wgUrlProtocols . ')/', $name ) ) {
1267                         return $name;
1268                 } else {
1269                         return $this->makeUrl( $name );
1270                 }
1271         }
1272
1273         # this can be passed the NS number as defined in Language.php
1274         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1275                 $title = Title::makeTitleSafe( $namespace, $name );
1276                 $this->checkTitle($title, $name);
1277                 return $title->getLocalURL( $urlaction );
1278         }
1279
1280         /* these return an array with the 'href' and boolean 'exists' */
1281         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1282                 $title = Title::newFromText( $name );
1283                 $this->checkTitle($title, $name);
1284                 return array(
1285                         'href' => $title->getLocalURL( $urlaction ),
1286                         'exists' => $title->getArticleID() != 0?true:false
1287                 );
1288         }
1289
1290         # make sure we have some title to operate on
1291         /*static*/ function checkTitle ( &$title, &$name ) {
1292                 if(!is_object($title)) {
1293                         $title = Title::newFromText( $name );
1294                         if(!is_object($title)) {
1295                                 $title = Title::newFromText( '--error: link target missing--' );
1296                         }
1297                 }
1298         }
1299
1300         /**
1301          * Build an array that represents the sidebar(s), the navigation bar among them
1302          *
1303          * @return array
1304          * @access private
1305          */
1306         function buildSidebar() {
1307                 $fname = 'SkinTemplate::buildSidebar';
1308                 wfProfileIn( $fname );
1309
1310                 $bar = array();
1311                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1312                 foreach ($lines as $line) {
1313                         if (strpos($line, '*') !== 0)
1314                                 continue;
1315                         if (strpos($line, '**') !== 0) {
1316                                 $line = trim($line, '* ');
1317                                 $heading = $line;
1318                         } else {
1319                                 if (strpos($line, '|') !== false) { // sanity check
1320                                         $line = explode( '|' , trim($line, '* '), 2 );
1321                                         $link = wfMsgForContent( $line[0] );
1322                                         if ($link == '-')
1323                                                 continue;
1324                                         if (wfNoMsg($line[1], $text = wfMsg($line[1])))
1325                                                 $text = $line[1];
1326                                         if (wfNoMsg($line[0], $link))
1327                                                 $link = $line[0];
1328                                         $bar[$heading][] = array(
1329                                                 'text' => $text,
1330                                                 'href' => $this->makeInternalOrExternalUrl( $link ),
1331                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1332                                         );
1333                                 } else { continue; }
1334                         }
1335                 }
1336
1337                 wfProfileOut( $fname );
1338                 return $bar;
1339         }
1340 }
1341
1342 }
1343 ?>