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