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