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                 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 />';
 455                         } else {
 456                                 # grab the others elements
 457                                 $return .= Skin::drawCategoryBrowser($parent, $skin);
 458                         }
 459                         # add our current element to the list
 460                         $eltitle = Title::NewFromText($element);
 461                         if (!empty($parent)) $return .= ' &gt; ';
 462                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 463                 }
 464                 return $return;
 465         }
 466
 467         function getCategories() {
 468                 $catlinks=$this->getCategoryLinks();
 469                 if(!empty($catlinks)) {
 470                         return "<p class='catlinks'>{$catlinks}</p>";
 471                 }
 472         }
 473
 474         function getQuickbarCompensator( $rows = 1 ) {
 475                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 476         }
 477
 478         /**
 479          * This gets called immediately before the </body> tag.
 480          * @return string HTML to be put after </body> ???
 481          */
 482         function afterContent() {
 483                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 484                 return $printfooter . $this->doAfterContent();
 485         }
 486
 487         /** @return string Retrievied from HTML text */
 488         function printSource() {
 489                 global $wgTitle;
 490                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 491                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 492         }
 493
 494         function printFooter() {
 495                 return "<p>" .  $this->printSource() .
 496                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 497         }
 498
 499         /** overloaded by derived classes */
 500         function doAfterContent() { }
 501
 502         function pageTitleLinks() {
 503                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 504
 505                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 506                 $action = $wgRequest->getText( 'action' );
 507
 508                 $s = $this->printableLink();
 509                 $disclaimer = $this->disclaimerLink(); # may be empty
 510                 if( $disclaimer ) {
 511                         $s .= ' | ' . $disclaimer;
 512                 }
 513
 514                 if ( $wgOut->isArticleRelated() ) {
 515                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 516                                 $name = $wgTitle->getDBkey();
 517                                 $image = new Image( $wgTitle );
 518                                 if( $image->exists() ) {
 519                                         $link = htmlspecialchars( $image->getURL() );
 520                                         $style = $this->getInternalLinkAttributes( $link, $name );
 521                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 522                                 }
 523                         }
 524                 }
 525                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 526                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 527                                         wfMsg( 'currentrev' ) );
 528                 }
 529
 530                 if ( $wgUser->getNewtalk() ) {
 531                 # do not show "You have new messages" text when we are viewing our
 532                 # own talk page
 533
 534                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 535                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 536                                                 wfMsg('newmessageslink') );
 537                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 538                                 # disable caching
 539                                 $wgOut->setSquidMaxage(0);
 540                                 $wgOut->enableClientCache(false);
 541                         }
 542                 }
 543
 544                 $undelete = $this->getUndeleteLink();
 545                 if( !empty( $undelete ) ) {
 546                         $s .= ' | '.$undelete;
 547                 }
 548                 return $s;
 549         }
 550
 551         function getUndeleteLink() {
 552                 global $wgUser, $wgTitle, $wgContLang, $action;
 553                 if( $wgUser->isAllowed('rollback') &&
 554                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 555                         ($n = $wgTitle->isDeleted() ) ) {
 556                         return wfMsg( 'thisisdeleted',
 557                                 $this->makeKnownLink(
 558                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 559                                         wfMsg( 'restorelink', $n ) ) );
 560                 }
 561                 return '';
 562         }
 563
 564         function printableLink() {
 565                 global $wgOut, $wgFeedClasses, $wgRequest;
 566
 567                 $baseurl = $_SERVER['REQUEST_URI'];
 568                 if( strpos( '?', $baseurl ) == false ) {
 569                         $baseurl .= '?';
 570                 } else {
 571                         $baseurl .= '&';
 572                 }
 573                 $baseurl = htmlspecialchars( $baseurl );
 574                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 575
 576                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 577                 if( $wgOut->isSyndicated() ) {
 578                         foreach( $wgFeedClasses as $format => $class ) {
 579                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 580                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 581                         }
 582                 }
 583                 return $s;
 584         }
 585
 586         function pageTitle() {
 587                 global $wgOut, $wgTitle, $wgUser;
 588
 589                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 590                 return $s;
 591         }
 592
 593         function pageSubtitle() {
 594                 global $wgOut;
 595
 596                 $sub = $wgOut->getSubtitle();
 597                 if ( '' == $sub ) {
 598                         global $wgExtraSubtitle;
 599                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 600                 }
 601                 $subpages = $this->subPageSubtitle();
 602                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 603                 $s = "<p class='subtitle'>{$sub}</p>\n";
 604                 return $s;
 605         }
 606
 607         function subPageSubtitle() {
 608                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 609                 $subpages = '';
 610                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 611                         $ptext=$wgTitle->getPrefixedText();
 612                         if(preg_match('/\//',$ptext)) {
 613                                 $links = explode('/',$ptext);
 614                                 $c = 0;
 615                                 $growinglink = '';
 616                                 foreach($links as $link) {
 617                                         $c++;
 618                                         if ($c<count($links)) {
 619                                                 $growinglink .= $link;
 620                                                 $getlink = $this->makeLink( $growinglink, $link );
 621                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 622                                                 if ($c>1) {
 623                                                         $subpages .= ' | ';
 624                                                 } else  {
 625                                                         $subpages .= '&lt; ';
 626                                                 }
 627                                                 $subpages .= $getlink;
 628                                                 $growinglink .= '/';
 629                                         }
 630                                 }
 631                         }
 632                 }
 633                 return $subpages;
 634         }
 635
 636         function nameAndLogin() {
 637                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 638
 639                 $li = $wgContLang->specialPage( 'Userlogin' );
 640                 $lo = $wgContLang->specialPage( 'Userlogout' );
 641
 642                 $s = '';
 643                 if ( $wgUser->isAnon() ) {
 644                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 645                                 $n = $wgIP;
 646
 647                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 648                                   $wgContLang->getNsText( NS_TALK ) );
 649
 650                                 $s .= $n . ' ('.$tl.')';
 651                         } else {
 652                                 $s .= wfMsg('notloggedin');
 653                         }
 654
 655                         $rt = $wgTitle->getPrefixedURL();
 656                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 657                                 $q = '';
 658                         } else { $q = "returnto={$rt}"; }
 659
 660                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 661                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 662                                 wfMsg( 'login' ), $q );
 663                 } else {
 664                         $n = $wgUser->getName();
 665                         $rt = $wgTitle->getPrefixedURL();
 666                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 667                           $wgContLang->getNsText( NS_TALK ) );
 668
 669                         $tl = " ({$tl})";
 670
 671                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 672                           $n ) . "{$tl}<br />" .
 673                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 674                           "returnto={$rt}" ) . ' | ' .
 675                           $this->specialLink( 'preferences' );
 676                 }
 677                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 678                   wfMsg( 'help' ) );
 679
 680                 return $s;
 681         }
 682
 683         function getSearchLink() {
 684                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 685                 return $searchPage->getLocalURL();
 686         }
 687
 688         function escapeSearchLink() {
 689                 return htmlspecialchars( $this->getSearchLink() );
 690         }
 691
 692         function searchForm() {
 693                 global $wgRequest;
 694                 $search = $wgRequest->getText( 'search' );
 695
 696                 $s = '<form name="search" class="inline" method="post" action="'
 697                   . $this->escapeSearchLink() . "\">\n"
 698                   . '<input type="text" name="search" size="19" value="'
 699                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 700                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 701                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 702
 703                 return $s;
 704         }
 705
 706         function topLinks() {
 707                 global $wgOut;
 708                 $sep = " |\n";
 709
 710                 $s = $this->mainPageLink() . $sep
 711                   . $this->specialLink( 'recentchanges' );
 712
 713                 if ( $wgOut->isArticleRelated() ) {
 714                         $s .=  $sep . $this->editThisPage()
 715                           . $sep . $this->historyLink();
 716                 }
 717                 # Many people don't like this dropdown box
 718                 #$s .= $sep . $this->specialPagesList();
 719
 720                 /* show links to different language variants */
 721                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 722                 $variants = $wgContLang->getVariants();
 723                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 724                         foreach( $variants as $code ) {
 725                                 $varname = $wgContLang->getVariantname( $code );
 726                                 if( $varname == 'disable' )
 727                                         continue;
 728                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 729                         }
 730                 }
 731
 732                 return $s;
 733         }
 734
 735         function bottomLinks() {
 736                 global $wgOut, $wgUser, $wgTitle;
 737                 $sep = " |\n";
 738
 739                 $s = '';
 740                 if ( $wgOut->isArticleRelated() ) {
 741                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 742                         if ( $wgUser->isLoggedIn() ) {
 743                                 $s .= $sep . $this->watchThisPage();
 744                         }
 745                         $s .= $sep . $this->talkLink()
 746                           . $sep . $this->historyLink()
 747                           . $sep . $this->whatLinksHere()
 748                           . $sep . $this->watchPageLinksLink();
 749
 750                         if ( $wgTitle->getNamespace() == NS_USER
 751                             || $wgTitle->getNamespace() == NS_USER_TALK )
 752
 753                         {
 754                                 $id=User::idFromName($wgTitle->getText());
 755                                 $ip=User::isIP($wgTitle->getText());
 756
 757                                 if($id || $ip) { # both anons and non-anons have contri list
 758                                         $s .= $sep . $this->userContribsLink();
 759                                 }
 760                                 if( $this->showEmailUser( $id ) ) {
 761                                         $s .= $sep . $this->emailUserLink();
 762                                 }
 763                         }
 764                         if ( $wgTitle->getArticleId() ) {
 765                                 $s .= "\n<br />";
 766                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 767                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 768                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 769                         }
 770                         $s .= "<br />\n" . $this->otherLanguages();
 771                 }
 772                 return $s;
 773         }
 774
 775         function pageStats() {
 776                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 777                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 778
 779                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 780                 if ( ! $wgOut->isArticle() ) { return ''; }
 781                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 782                 if ( 0 == $wgArticle->getID() ) { return ''; }
 783
 784                 $s = '';
 785                 if ( !$wgDisableCounters ) {
 786                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 787                         if ( $count ) {
 788                                 $s = wfMsg( 'viewcount', $count );
 789                         }
 790                 }
 791
 792                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 793                     require_once('Credits.php');
 794                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 795                 } else {
 796                     $s .= $this->lastModified();
 797                 }
 798
 799                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 800                         $dbr =& wfGetDB( DB_SLAVE );
 801                         extract( $dbr->tableNames( 'watchlist' ) );
 802                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 803                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 804                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 805                         $res = $dbr->query( $sql, 'Skin::pageStats');
 806                         $x = $dbr->fetchObject( $res );
 807                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 808                 }
 809
 810                 return $s . ' ' .  $this->getCopyright();
 811         }
 812
 813         function getCopyright() {
 814                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 815
 816
 817                 $oldid = $wgRequest->getVal( 'oldid' );
 818                 $diff = $wgRequest->getVal( 'diff' );
 819
 820                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 821                         $msg = 'history_copyright';
 822                 } else {
 823                         $msg = 'copyright';
 824                 }
 825
 826                 $out = '';
 827                 if( $wgRightsPage ) {
 828                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 829                 } elseif( $wgRightsUrl ) {
 830                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 831                 } else {
 832                         # Give up now
 833                         return $out;
 834                 }
 835                 $out .= wfMsgForContent( $msg, $link );
 836                 return $out;
 837         }
 838
 839         function getCopyrightIcon() {
 840                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 841                 $out = '';
 842                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 843                         $out = $wgCopyrightIcon;
 844                 } else if ( $wgRightsIcon ) {
 845                         $icon = htmlspecialchars( $wgRightsIcon );
 846                         if ( $wgRightsUrl ) {
 847                                 $url = htmlspecialchars( $wgRightsUrl );
 848                                 $out .= '<a href="'.$url.'">';
 849                         }
 850                         $text = htmlspecialchars( $wgRightsText );
 851                         $out .= "<img src=\"$icon\" alt='$text' />";
 852                         if ( $wgRightsUrl ) {
 853                                 $out .= '</a>';
 854                         }
 855                 }
 856                 return $out;
 857         }
 858
 859         function getPoweredBy() {
 860                 global $wgStylePath;
 861                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 862                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 863                 return $img;
 864         }
 865
 866         function lastModified() {
 867                 global $wgLang, $wgArticle, $wgLoadBalancer;
 868
 869                 $timestamp = $wgArticle->getTimestamp();
 870                 if ( $timestamp ) {
 871                         $d = $wgLang->timeanddate( $timestamp, true );
 872                         $s = ' ' . wfMsg( 'lastmodified', $d );
 873                 } else {
 874                         $s = '';
 875                 }
 876                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 877                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 878                 }
 879                 return $s;
 880         }
 881
 882         function logoText( $align = '' ) {
 883                 if ( '' != $align ) { $a = " align='{$align}'"; }
 884                 else { $a = ''; }
 885
 886                 $mp = wfMsg( 'mainpage' );
 887                 $titleObj = Title::newFromText( $mp );
 888                 if ( is_object( $titleObj ) ) {
 889                         $url = $titleObj->escapeLocalURL();
 890                 } else {
 891                         $url = '';
 892                 }
 893
 894                 $logourl = $this->getLogo();
 895                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 896                 return $s;
 897         }
 898
 899         /**
 900          * show a drop-down box of special pages
 901          * @TODO crash bug913. Need to be rewrote completly.
 902          */
 903         function specialPagesList() {
 904                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 905                 require_once('SpecialPage.php');
 906                 $a = array();
 907                 $pages = SpecialPage::getPages();
 908
 909                 // special pages without access restriction
 910                 foreach ( $pages[''] as $name => $page ) {
 911                         $a[$name] = $page->getDescription();
 912                 }
 913
 914                 // Other special pages that are restricted.
 915                 // Copied from SpecialSpecialpages.php
 916                 foreach($wgAvailableRights as $right) {
 917                         if( $wgUser->isAllowed($right) ) {
 918                                 /** Add all pages for this right */
 919                                 if(isset($pages[$right])) {
 920                                         foreach($pages[$right] as $name => $page) {
 921                                         $a[$name] = $page->getDescription();
 922                                         }
 923                                 }
 924                         }
 925                 }
 926
 927                 $go = wfMsg( 'go' );
 928                 $sp = wfMsg( 'specialpages' );
 929                 $spp = $wgContLang->specialPage( 'Specialpages' );
 930
 931                 $s = '<form id="specialpages" method="get" class="inline" ' .
 932                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 933                 $s .= "<select name=\"wpDropdown\">\n";
 934                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 935
 936
 937                 foreach ( $a as $name => $desc ) {
 938                         $p = $wgContLang->specialPage( $name );
 939                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 940                 }
 941                 $s .= "</select>\n";
 942                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 943                 $s .= "</form>\n";
 944                 return $s;
 945         }
 946
 947         function mainPageLink() {
 948                 $mp = wfMsgForContent( 'mainpage' );
 949                 $mptxt = wfMsg( 'mainpage');
 950                 $s = $this->makeKnownLink( $mp, $mptxt );
 951                 return $s;
 952         }
 953
 954         function copyrightLink() {
 955                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 956                   wfMsg( 'copyrightpagename' ) );
 957                 return $s;
 958         }
 959
 960         function aboutLink() {
 961                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 962                   wfMsg( 'aboutsite' ) );
 963                 return $s;
 964         }
 965
 966
 967         function disclaimerLink() {
 968                 $disclaimers = wfMsg( 'disclaimers' );
 969                 if ($disclaimers == '-') {
 970                         return '';
 971                 } else {
 972                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 973                                                      $disclaimers );
 974                 }
 975         }
 976
 977         function editThisPage() {
 978                 global $wgOut, $wgTitle, $wgRequest;
 979
 980                 $oldid = $wgRequest->getVal( 'oldid' );
 981                 $diff = $wgRequest->getVal( 'diff' );
 982                 $redirect = $wgRequest->getVal( 'redirect' );
 983
 984                 if ( ! $wgOut->isArticleRelated() ) {
 985                         $s = wfMsg( 'protectedpage' );
 986                 } else {
 987                         if ( $wgTitle->userCanEdit() ) {
 988                                 $t = wfMsg( 'editthispage' );
 989                         } else {
 990                                 $t = wfMsg( 'viewsource' );
 991                         }
 992                         $oid = $red = '';
 993
 994                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
 995                         if ( $oldid && ! isset( $diff ) ) {
 996                                 $oid = '&oldid='.$oldid;
 997                         }
 998                         $s = $this->makeKnownLinkObj( $wgTitle, $t, "action=edit{$oid}{$red}" );
 999                 }
1000                 return $s;
1001         }
1002
1003         function deleteThisPage() {
1004                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1005
1006                 $diff = $wgRequest->getVal( 'diff' );
1007                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1008                         $t = wfMsg( 'deletethispage' );
1009
1010                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1011                 } else {
1012                         $s = '';
1013                 }
1014                 return $s;
1015         }
1016
1017         function protectThisPage() {
1018                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1019
1020                 $diff = $wgRequest->getVal( 'diff' );
1021                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1022                         if ( $wgTitle->isProtected() ) {
1023                                 $t = wfMsg( 'unprotectthispage' );
1024                                 $q = 'action=unprotect';
1025                         } else {
1026                                 $t = wfMsg( 'protectthispage' );
1027                                 $q = 'action=protect';
1028                         }
1029                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1030                 } else {
1031                         $s = '';
1032                 }
1033                 return $s;
1034         }
1035
1036         function watchThisPage() {
1037                 global $wgUser, $wgOut, $wgTitle;
1038
1039                 if ( $wgOut->isArticleRelated() ) {
1040                         if ( $wgTitle->userIsWatching() ) {
1041                                 $t = wfMsg( 'unwatchthispage' );
1042                                 $q = 'action=unwatch';
1043                         } else {
1044                                 $t = wfMsg( 'watchthispage' );
1045                                 $q = 'action=watch';
1046                         }
1047                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1048                 } else {
1049                         $s = wfMsg( 'notanarticle' );
1050                 }
1051                 return $s;
1052         }
1053
1054         function moveThisPage() {
1055                 global $wgTitle;
1056
1057                 if ( $wgTitle->userCanMove() ) {
1058                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1059                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1060                 } else {
1061                         // no message if page is protected - would be redundant
1062                         return '';
1063                 }
1064         }
1065
1066         function historyLink() {
1067                 global $wgTitle;
1068
1069                 return $this->makeKnownLinkObj( $wgTitle,
1070                   wfMsg( 'history' ), 'action=history' );
1071         }
1072
1073         function whatLinksHere() {
1074                 global $wgTitle;
1075
1076                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1077                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1078         }
1079
1080         function userContribsLink() {
1081                 global $wgTitle;
1082
1083                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1084                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1085         }
1086
1087         function showEmailUser( $id ) {
1088                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1089                 return $wgEnableEmail &&
1090                        $wgEnableUserEmail &&
1091                        $wgUser->isLoggedIn() && # show only to signed in users
1092                        0 != $id; # we can only email to non-anons ..
1093 #                      '' != $id->getEmail() && # who must have an email address stored ..
1094 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1095 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1096         }
1097
1098         function emailUserLink() {
1099                 global $wgTitle;
1100
1101                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1102                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1103         }
1104
1105         function watchPageLinksLink() {
1106                 global $wgOut, $wgTitle;
1107
1108                 if ( ! $wgOut->isArticleRelated() ) {
1109                         return '(' . wfMsg( 'notanarticle' ) . ')';
1110                 } else {
1111                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1112                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1113                           'target=' . $wgTitle->getPrefixedURL() );
1114                 }
1115         }
1116
1117         function otherLanguages() {
1118                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1119
1120                 if ( $wgHideInterlanguageLinks ) {
1121                         return '';
1122                 }
1123
1124                 $a = $wgOut->getLanguageLinks();
1125                 if ( 0 == count( $a ) ) {
1126                         return '';
1127                 }
1128
1129                 $s = wfMsg( 'otherlanguages' ) . ': ';
1130                 $first = true;
1131                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1132                 foreach( $a as $l ) {
1133                         if ( ! $first ) { $s .= ' | '; }
1134                         $first = false;
1135
1136                         $nt = Title::newFromText( $l );
1137                         $url = $nt->escapeFullURL();
1138                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1139
1140                         if ( '' == $text ) { $text = $l; }
1141                         $style = $this->getExternalLinkAttributes( $l, $text );
1142                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1143                 }
1144                 if($wgContLang->isRTL()) $s .= '</span>';
1145                 return $s;
1146         }
1147
1148         function bugReportsLink() {
1149                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1150                   wfMsg( 'bugreports' ) );
1151                 return $s;
1152         }
1153
1154         function dateLink() {
1155                 global $wgLinkCache;
1156                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1157                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1158
1159                 $wgLinkCache->suspend();
1160                 $id = $t1->getArticleID();
1161                 $wgLinkCache->resume();
1162
1163                 if ( 0 == $id ) {
1164                         $s = $this->makeBrokenLink( $t1->getText() );
1165                 } else {
1166                         $s = $this->makeKnownLink( $t1->getText() );
1167                 }
1168                 $s .= ', ';
1169
1170                 $wgLinkCache->suspend();
1171                 $id = $t2->getArticleID();
1172                 $wgLinkCache->resume();
1173
1174                 if ( 0 == $id ) {
1175                         $s .= $this->makeBrokenLink( $t2->getText() );
1176                 } else {
1177                         $s .= $this->makeKnownLink( $t2->getText() );
1178                 }
1179                 return $s;
1180         }
1181
1182         function talkLink() {
1183                 global $wgTitle, $wgLinkCache;
1184
1185                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1186                         # No discussion links for special pages
1187                         return '';
1188                 }
1189
1190                 if( $wgTitle->isTalkPage() ) {
1191                         $link = $wgTitle->getSubjectPage();
1192                         switch( $link->getNamespace() ) {
1193                         case NS_MAIN:
1194                                 $text = wfMsg('articlepage');
1195                                 break;
1196                         case NS_USER:
1197                                 $text = wfMsg('userpage');
1198                                 break;
1199                         case NS_PROJECT:
1200                                 $text = wfMsg('wikipediapage');
1201                                 break;
1202                         case NS_IMAGE:
1203                                 $text = wfMsg('imagepage');
1204                                 break;
1205                         default:
1206                                 $text= wfMsg('articlepage');
1207                         }
1208                 } else {
1209                         $link = $wgTitle->getTalkPage();
1210                         $text = wfMsg( 'talkpage' );
1211                 }
1212
1213                 $wgLinkCache->suspend();
1214                 $s = $this->makeLinkObj( $link, $text );
1215                 $wgLinkCache->resume();
1216
1217                 return $s;
1218         }
1219
1220         function commentLink() {
1221                 global $wgContLang, $wgTitle, $wgLinkCache;
1222
1223                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1224                         return '';
1225                 }
1226                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1227                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1228         }
1229
1230         /* these are used extensively in SkinPHPTal, but also some other places */
1231         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1232                 $title = Title::makeTitle( NS_SPECIAL, $name );
1233                 return $title->getLocalURL( $urlaction );
1234         }
1235
1236         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1237                 $title = Title::newFromText( wfMsgForContent($name) );
1238                 $this->checkTitle($title, $name);
1239                 return $title->getLocalURL( $urlaction );
1240         }
1241
1242         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1243                 $title = Title::newFromText( $name );
1244                 $this->checkTitle($title, $name);
1245                 return $title->getLocalURL( $urlaction );
1246         }
1247
1248         # If url string starts with http, consider as external URL, else
1249         # internal
1250         /*static*/ function makeInternalOrExternalUrl( $name ) {
1251                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1252                         return $name;
1253                 } else {
1254                         return $this->makeUrl( $name );
1255                 }
1256         }
1257
1258         # this can be passed the NS number as defined in Language.php
1259         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1260                 $title = Title::makeTitleSafe( $namespace, $name );
1261                 $this->checkTitle($title, $name);
1262                 return $title->getLocalURL( $urlaction );
1263         }
1264
1265         /* these return an array with the 'href' and boolean 'exists' */
1266         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1267                 $title = Title::newFromText( $name );
1268                 $this->checkTitle($title, $name);
1269                 return array(
1270                         'href' => $title->getLocalURL( $urlaction ),
1271                         'exists' => $title->getArticleID() != 0?true:false
1272                 );
1273         }
1274
1275         # make sure we have some title to operate on
1276         /*static*/ function checkTitle ( &$title, &$name ) {
1277                 if(!is_object($title)) {
1278                         $title = Title::newFromText( $name );
1279                         if(!is_object($title)) {
1280                                 $title = Title::newFromText( '--error: link target missing--' );
1281                         }
1282                 }
1283         }
1284
1285         /**
1286          * Build an array that represents the sidebar(s), the navigation bar among them
1287          *
1288          * @return array
1289          * @access private
1290          */
1291         function buildSidebar() {
1292                 $fname = 'SkinTemplate::buildSidebar';
1293                 wfProfileIn( $fname );
1294
1295                 $bar = array();
1296                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1297                 foreach ($lines as $line) {
1298                         if (strpos($line, '*') !== 0)
1299                                 continue;
1300                         if (strpos($line, '**') !== 0) {
1301                                 $line = trim($line, '* ');
1302                                 $heading = $line;
1303                         } else {
1304                                 if (strpos($line, '|') !== false) { // sanity check
1305                                         $line = explode( '|' , trim($line, '* '), 2 );
1306                                         $link = wfMsgForContent( $line[0] );
1307                                         if ($link == '-')
1308                                                 continue;
1309                                         $bar[$heading][] = array(
1310                                                 'text' => wfMsg( $line[1] ),
1311                                                 'href' => $this->makeInternalOrExternalUrl( $link ),
1312                                                 'id' => 'n-' . $line[1],
1313                                         );
1314                                 } else { continue; }
1315                         }
1316                 }
1317
1318                 wfProfileOut( $fname );
1319                 return $bar;
1320         }
1321 }
1322
1323 }
1324 ?>