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.doc
  15 require_once( 'Image.php' );
  16
  17 # Get a list of all skins available in /skins/
  18 # Build using the regular expression '^(.*).php$'
  19 # Array keys are all lower case, array value keep the case used by filename
  20 #
  21
  22 $skinDir = dir($IP.'/skins');
  23
  24 # while code from www.php.net
  25 while (false !== ($file = $skinDir->read())) {
  26         if(preg_match('/^([^.].*)\.php$/',$file, $matches)) {
  27                 $aSkin = $matches[1];
  28                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  29         }
  30 }
  31 $skinDir->close();
  32 unset($matches);
  33
  34 require_once( 'RecentChange.php' );
  35
  36 global $wgLinkHolders;
  37 $wgLinkHolders = array(
  38         'namespaces' => array(),
  39         'dbkeys' => array(),
  40         'queries' => array(),
  41         'texts' => array(),
  42         'titles' => array()
  43 );
  44 global $wgInterwikiLinkHolders;
  45 $wgInterwikiLinkHolders = array();
  46
  47 /**
  48  * @todo document
  49  * @package MediaWiki
  50  */
  51 class RCCacheEntry extends RecentChange
  52 {
  53         var $secureName, $link;
  54         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  55         var $userlink, $timestamp, $watched;
  56
  57         function newFromParent( $rc )
  58         {
  59                 $rc2 = new RCCacheEntry;
  60                 $rc2->mAttribs = $rc->mAttribs;
  61                 $rc2->mExtra = $rc->mExtra;
  62                 return $rc2;
  63         }
  64 } ;
  65
  66
  67 /**
  68  * The main skin class that provide methods and properties for all other skins
  69  * including PHPTal skins.
  70  * This base class is also the "Standard" skin.
  71  * @package MediaWiki
  72  */
  73 class Skin {
  74         /**#@+
  75          * @access private
  76          */
  77         var $lastdate, $lastline;
  78         var $linktrail ; # linktrail regexp
  79         var $rc_cache ; # Cache for Enhanced Recent Changes
  80         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  81         var $rcMoveIndex;
  82         var $postParseLinkColour = false;
  83         /**#@-*/
  84
  85         function Skin() {
  86                 $this->linktrail = wfMsgForContent('linktrail');
  87
  88                 # Cache option lookups done very frequently
  89                 $options = array( 'highlightbroken', 'hover' );
  90                 foreach( $options as $opt ) {
  91                         global $wgUser;
  92                         $this->mOptions[$opt] = $wgUser->getOption( $opt );
  93                 }
  94         }
  95
  96         function getSkinNames() {
  97                 global $wgValidSkinNames;
  98                 return $wgValidSkinNames;
  99         }
 100
 101         function getStylesheet() {
 102                 return 'common/wikistandard.css';
 103         }
 104
 105         function getSkinName() {
 106                 return 'standard';
 107         }
 108
 109         /**
 110          * Get/set accessor for delayed link colouring
 111          */
 112         function postParseLinkColour( $setting = NULL ) {
 113                 return wfSetVar( $this->postParseLinkColour, $setting );
 114         }
 115
 116         function qbSetting() {
 117                 global $wgOut, $wgUser;
 118
 119                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 120                 $q = $wgUser->getOption( 'quickbar' );
 121                 if ( '' == $q ) { $q = 0; }
 122                 return $q;
 123         }
 124
 125         function initPage( &$out ) {
 126                 $fname = 'Skin::initPage';
 127                 wfProfileIn( $fname );
 128
 129                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 130
 131                 $this->addMetadataLinks($out);
 132
 133                 wfProfileOut( $fname );
 134         }
 135
 136         function addMetadataLinks( &$out ) {
 137                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 138                 global $wgRightsPage, $wgRightsUrl;
 139
 140                 if( $out->isArticleRelated() ) {
 141                         # note: buggy CC software only reads first "meta" link
 142                         if( $wgEnableCreativeCommonsRdf ) {
 143                                 $out->addMetadataLink( array(
 144                                         'title' => 'Creative Commons',
 145                                         'type' => 'application/rdf+xml',
 146                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 147                         }
 148                         if( $wgEnableDublinCoreRdf ) {
 149                                 $out->addMetadataLink( array(
 150                                         'title' => 'Dublin Core',
 151                                         'type' => 'application/rdf+xml',
 152                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 153                         }
 154                 }
 155                 $copyright = '';
 156                 if( $wgRightsPage ) {
 157                         $copy = Title::newFromText( $wgRightsPage );
 158                         if( $copy ) {
 159                                 $copyright = $copy->getLocalURL();
 160                         }
 161                 }
 162                 if( !$copyright && $wgRightsUrl ) {
 163                         $copyright = $wgRightsUrl;
 164                 }
 165                 if( $copyright ) {
 166                         $out->addLink( array(
 167                                 'rel' => 'copyright',
 168                                 'href' => $copyright ) );
 169                 }
 170         }
 171
 172         function outputPage( &$out ) {
 173                 global $wgDebugComments;
 174
 175                 wfProfileIn( 'Skin::outputPage' );
 176                 $this->initPage( $out );
 177                 $out->out( $out->headElement() );
 178
 179                 $out->out( "\n<body" );
 180                 $ops = $this->getBodyOptions();
 181                 foreach ( $ops as $name => $val ) {
 182                         $out->out( " $name='$val'" );
 183                 }
 184                 $out->out( ">\n" );
 185                 if ( $wgDebugComments ) {
 186                         $out->out( "<!-- Wiki debugging output:\n" .
 187                           $out->mDebugtext . "-->\n" );
 188                 }
 189                 $out->out( $this->beforeContent() );
 190
 191                 $out->out( $out->mBodytext . "\n" );
 192
 193                 $out->out( $this->afterContent() );
 194
 195                 wfProfileClose();
 196                 $out->out( $out->reportTime() );
 197
 198                 $out->out( "\n</body></html>" );
 199         }
 200
 201         function getHeadScripts() {
 202                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs;
 203                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 204                 if( $wgAllowUserJs && $wgUser->getID() != 0 ) { # logged in
 205                         $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 206                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 207                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 208                 }
 209                 return $r;
 210         }
 211
 212         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 213         function getUserStylesheet() {
 214                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 215                 $sheet = $this->getStylesheet();
 216                 $action = $wgRequest->getText('action');
 217                 $s = "@import \"$wgStylePath/$sheet\";\n";
 218                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 219                 if( $wgAllowUserCss && $wgUser->getID() != 0 ) { # logged in
 220                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 221                                 $s .= $wgRequest->getText('wpTextbox1');
 222                         } else {
 223                                 $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 224                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 225                         }
 226                 }
 227                 $s .= $this->doGetUserStyles();
 228                 return $s."\n";
 229         }
 230
 231         /**
 232          * placeholder, returns generated js in monobook
 233          */
 234         function getUserJs() { return; }
 235
 236         /**
 237          * Return html code that include User stylesheets
 238          */
 239         function getUserStyles() {
 240                 global $wgOut, $wgStylePath, $wgLang;
 241                 $s = "<style type='text/css'>\n";
 242                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 243                 $s .= $this->getUserStylesheet();
 244                 $s .= "/*]]>*/ /* */\n";
 245                 $s .= "</style>\n";
 246                 return $s;
 247         }
 248
 249         /**
 250          * Some styles that are set by user through the user settings interface.
 251          */
 252         function doGetUserStyles() {
 253                 global $wgUser, $wgContLang;
 254
 255                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 256                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 257
 258                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 259                         # Don't override browser settings
 260                 } else {
 261                         # CHECK MERGE @@@
 262                         # Force no underline
 263                         $s .= "a { text-decoration: none; }\n";
 264                 }
 265                 if ( 1 == $this->mOptions['highlightbroken'] ) {
 266                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 267                 }
 268                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 269                         $s .= "#article { text-align: justify; }\n";
 270                 }
 271                 return $s;
 272         }
 273
 274         function getBodyOptions() {
 275                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 276
 277                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 278
 279                 if ( 0 != $wgTitle->getNamespace() ) {
 280                         $a = array( 'bgcolor' => '#ffffec' );
 281                 }
 282                 else $a = array( 'bgcolor' => '#FFFFFF' );
 283                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 284                   (!$wgTitle->isProtected() || $wgUser->isAllowed('protect')) ) {
 285                         $t = wfMsg( 'editthispage' );
 286                         $oid = $red = '';
 287                         if ( !empty($redirect) && $redirect == 'no' ) {
 288                                 $red = "&redirect={$redirect}";
 289                         }
 290                         if ( !empty($oldid) && ! isset( $diff ) ) {
 291                                 $oid = "&oldid=" . IntVal( $oldid );
 292                         }
 293                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 294                         $s = 'document.location = "' .$s .'";';
 295                         $a += array ('ondblclick' => $s);
 296
 297                 }
 298                 $a['onload'] = $wgOut->getOnloadHandler();
 299                 return $a;
 300         }
 301
 302         function getExternalLinkAttributes( $link, $text, $class='' ) {
 303                 global $wgContLang;
 304
 305                 $same = ($link == $text);
 306                 $link = urldecode( $link );
 307                 $link = $wgContLang->checkTitleEncoding( $link );
 308                 $link = str_replace( '_', ' ', $link );
 309                 $link = htmlspecialchars( $link );
 310
 311                 $r = ($class != '') ? " class='$class'" : " class='external'";
 312
 313                 if( !$same && $this->mOptions['hover'] ) {
 314                         $r .= " title=\"{$link}\"";
 315                 }
 316                 return $r;
 317         }
 318
 319         function getInternalLinkAttributes( $link, $text, $broken = false ) {
 320                 $link = urldecode( $link );
 321                 $link = str_replace( '_', ' ', $link );
 322                 $link = htmlspecialchars( $link );
 323
 324                 if( $broken == 'stub' ) {
 325                         $r = ' class="stub"';
 326                 } else if ( $broken == 'yes' ) {
 327                         $r = ' class="new"';
 328                 } else {
 329                         $r = '';
 330                 }
 331
 332                 if( $this->mOptions['hover'] ) {
 333                         $r .= " title=\"{$link}\"";
 334                 }
 335                 return $r;
 336         }
 337
 338         /**
 339          * @param bool $broken
 340          */
 341         function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
 342                 if( $broken == 'stub' ) {
 343                         $r = ' class="stub"';
 344                 } else if ( $broken == 'yes' ) {
 345                         $r = ' class="new"';
 346                 } else {
 347                         $r = '';
 348                 }
 349
 350                 if( $this->mOptions['hover'] ) {
 351                         $r .= ' title="' . $nt->getEscapedText() . '"';
 352                 }
 353                 return $r;
 354         }
 355
 356         /**
 357          * URL to the logo
 358          */
 359         function getLogo() {
 360                 global $wgLogo;
 361                 return $wgLogo;
 362         }
 363
 364         /**
 365          * This will be called immediately after the <body> tag.  Split into
 366          * two functions to make it easier to subclass.
 367          */
 368         function beforeContent() {
 369                 global $wgUser, $wgOut;
 370
 371                 return $this->doBeforeContent();
 372         }
 373
 374         function doBeforeContent() {
 375                 global $wgUser, $wgOut, $wgTitle, $wgContLang, $wgSiteNotice;
 376                 $fname = 'Skin::doBeforeContent';
 377                 wfProfileIn( $fname );
 378
 379                 $s = '';
 380                 $qb = $this->qbSetting();
 381
 382                 if( $langlinks = $this->otherLanguages() ) {
 383                         $rows = 2;
 384                         $borderhack = '';
 385                 } else {
 386                         $rows = 1;
 387                         $langlinks = false;
 388                         $borderhack = 'class="top"';
 389                 }
 390
 391                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 392                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 393
 394                 $shove = ($qb != 0);
 395                 $left = ($qb == 1 || $qb == 3);
 396                 if($wgContLang->isRTL()) $left = !$left;
 397
 398                 if ( !$shove ) {
 399                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 400                           $this->logoText() . '</td>';
 401                 } elseif( $left ) {
 402                         $s .= $this->getQuickbarCompensator( $rows );
 403                 }
 404                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 405                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 406
 407                 $s .= $this->topLinks() ;
 408                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 409
 410                 $r = $wgContLang->isRTL() ? "left" : "right";
 411                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 412                 $s .= $this->nameAndLogin();
 413                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 414
 415                 if ( $langlinks ) {
 416                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 417                 }
 418
 419                 if ( $shove && !$left ) { # Right
 420                         $s .= $this->getQuickbarCompensator( $rows );
 421                 }
 422                 $s .= "</tr>\n</table>\n</div>\n";
 423                 $s .= "\n<div id='article'>\n";
 424
 425                 if( $wgSiteNotice ) {
 426                         $s .= "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 427                 }
 428                 $s .= $this->pageTitle();
 429                 $s .= $this->pageSubtitle() ;
 430                 $s .= $this->getCategories();
 431                 wfProfileOut( $fname );
 432                 return $s;
 433         }
 434
 435
 436         function getCategoryLinks () {
 437                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 438                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 439
 440                 if( !$wgUseCategoryMagic ) return '' ;
 441                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 442
 443                 # Taken out so that they will be displayed in previews -- TS
 444                 #if( !$wgOut->isArticle() ) return '';
 445
 446                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 447                 $s = $this->makeKnownLink( 'Special:Categories',
 448                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 449                         . ': ' . $t;
 450
 451                 # optional 'dmoz-like' category browser. Will be shown under the list
 452                 # of categories an article belong to
 453                 if($wgUseCategoryBrowser) {
 454                         $s .= '<br/><hr/>';
 455
 456                         # get a big array of the parents tree
 457                         $parenttree = $wgTitle->getParentCategoryTree();
 458
 459                         # Render the array as a serie of links
 460                         function walkThrough ($tree) {
 461                                 global $wgUser;
 462                                 $sk = $wgUser->getSkin();
 463                                 $return = '';
 464                                 foreach($tree as $element => $parent) {
 465                                         if(empty($parent)) {
 466                                                 # element start a new list
 467                                                 $return .= '<br />';
 468                                         } else {
 469                                                 # grab the others elements
 470                                                 $return .= walkThrough($parent);
 471                                         }
 472                                         # add our current element to the list
 473                                         $eltitle = Title::NewFromText($element);
 474                                         # FIXME : should be makeLink() [AV]
 475                                         $return .= $sk->makeLink($element, $eltitle->getText()).' &gt; ';
 476                                 }
 477                                 return $return;
 478                         }
 479
 480                         $s .= walkThrough($parenttree);
 481                 }
 482
 483                 return $s;
 484         }
 485
 486         function getCategories() {
 487                 $catlinks=$this->getCategoryLinks();
 488                 if(!empty($catlinks)) {
 489                         return "<p class='catlinks'>{$catlinks}</p>";
 490                 }
 491         }
 492
 493         function getQuickbarCompensator( $rows = 1 ) {
 494                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 495         }
 496
 497         # This gets called immediately before the </body> tag.
 498         #
 499         function afterContent() {
 500                 global $wgUser, $wgOut, $wgServer;
 501                 global $wgTitle, $wgLang;
 502
 503                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 504                 return $printfooter . $this->doAfterContent();
 505         }
 506
 507         function printSource() {
 508                 global $wgTitle;
 509                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 510                 return wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" );
 511         }
 512
 513         function printFooter() {
 514                 return "<p>" .  $this->printSource() .
 515                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 516         }
 517
 518         function doAfterContent() {
 519         # overloaded by derived classes
 520         }
 521
 522         function pageTitleLinks() {
 523                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgUseApproval, $wgRequest;
 524
 525                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 526                 $action = $wgRequest->getText( 'action' );
 527
 528                 $s = $this->printableLink();
 529                 $disclaimer = $this->disclaimerLink(); # may be empty
 530                 if( $disclaimer ) {
 531                         $s .= ' | ' . $disclaimer;
 532                 }
 533
 534                 if ( $wgOut->isArticleRelated() ) {
 535                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 536                                 $name = $wgTitle->getDBkey();
 537                                 $link = htmlspecialchars( Image::wfImageUrl( $name ) );
 538                                 $style = $this->getInternalLinkAttributes( $link, $name );
 539                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 540                         }
 541                         # This will show the "Approve" link if $wgUseApproval=true;
 542                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 543                         {
 544                                 $t = $wgTitle->getDBkey();
 545                                 $name = 'Approve this article' ;
 546                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 547                                 #htmlspecialchars( wfImageUrl( $name ) );
 548                                 $style = $this->getExternalLinkAttributes( $link, $name );
 549                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 550                         }
 551                 }
 552                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 553                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 554                                         wfMsg( 'currentrev' ) );
 555                 }
 556
 557                 if ( $wgUser->getNewtalk() ) {
 558                 # do not show "You have new messages" text when we are viewing our
 559                 # own talk page
 560
 561                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 562                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 563                                 $n =$wgUser->getName();
 564                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 565                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 566                                                 wfMsg('newmessageslink') );
 567                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 568                                 # disable caching
 569                                 $wgOut->setSquidMaxage(0);
 570                                 $wgOut->enableClientCache(false);
 571                         }
 572                 }
 573
 574                 $undelete = $this->getUndeleteLink();
 575                 if( !empty( $undelete ) ) {
 576                         $s .= ' | '.$undelete;
 577                 }
 578                 return $s;
 579         }
 580
 581         function getUndeleteLink() {
 582                 global $wgUser, $wgTitle, $wgContLang, $action;
 583                 if( $wgUser->isAllowed('rollback') &&
 584                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 585                         ($n = $wgTitle->isDeleted() ) ) {
 586                         return wfMsg( 'thisisdeleted',
 587                                 $this->makeKnownLink(
 588                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 589                                         wfMsg( 'restorelink', $n ) ) );
 590                 }
 591                 return '';
 592         }
 593
 594         function printableLink() {
 595                 global $wgOut, $wgFeedClasses, $wgRequest;
 596
 597                 $baseurl = $_SERVER['REQUEST_URI'];
 598                 if( strpos( '?', $baseurl ) == false ) {
 599                         $baseurl .= '?';
 600                 } else {
 601                         $baseurl .= '&';
 602                 }
 603                 $baseurl = htmlspecialchars( $baseurl );
 604                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 605
 606                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 607                 if( $wgOut->isSyndicated() ) {
 608                         foreach( $wgFeedClasses as $format => $class ) {
 609                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 610                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 611                         }
 612                 }
 613                 return $s;
 614         }
 615
 616         function pageTitle() {
 617                 global $wgOut, $wgTitle, $wgUser;
 618
 619                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 620                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript($wgTitle, 0,$s);}
 621                 return $s;
 622         }
 623
 624         function pageSubtitle() {
 625                 global $wgOut;
 626
 627                 $sub = $wgOut->getSubtitle();
 628                 if ( '' == $sub ) {
 629                         global $wgExtraSubtitle;
 630                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 631                 }
 632                 $subpages = $this->subPageSubtitle();
 633                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 634                 $s = "<p class='subtitle'>{$sub}</p>\n";
 635                 return $s;
 636         }
 637
 638         function subPageSubtitle() {
 639                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 640                 $subpages = '';
 641                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 642                         $ptext=$wgTitle->getPrefixedText();
 643                         if(preg_match('/\//',$ptext)) {
 644                                 $links = explode('/',$ptext);
 645                                 $c = 0;
 646                                 $growinglink = '';
 647                                 foreach($links as $link) {
 648                                         $c++;
 649                                         if ($c<count($links)) {
 650                                                 $growinglink .= $link;
 651                                                 $getlink = $this->makeLink( $growinglink, $link );
 652                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 653                                                 if ($c>1) {
 654                                                         $subpages .= ' | ';
 655                                                 } else  {
 656                                                         $subpages .= '&lt; ';
 657                                                 }
 658                                                 $subpages .= $getlink;
 659                                                 $growinglink .= '/';
 660                                         }
 661                                 }
 662                         }
 663                 }
 664                 return $subpages;
 665         }
 666
 667         function nameAndLogin() {
 668                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 669
 670                 $li = $wgContLang->specialPage( 'Userlogin' );
 671                 $lo = $wgContLang->specialPage( 'Userlogout' );
 672
 673                 $s = '';
 674                 if ( 0 == $wgUser->getID() ) {
 675                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 676                                 $n = $wgIP;
 677
 678                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 679                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 680                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 681
 682                                 $s .= $n . ' ('.$tl.')';
 683                         } else {
 684                                 $s .= wfMsg('notloggedin');
 685                         }
 686
 687                         $rt = $wgTitle->getPrefixedURL();
 688                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 689                                 $q = '';
 690                         } else { $q = "returnto={$rt}"; }
 691
 692                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 693                           wfMsg( 'login' ), $q );
 694                 } else {
 695                         $n = $wgUser->getName();
 696                         $rt = $wgTitle->getPrefixedURL();
 697                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 698                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 699                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 700
 701                         $tl = " ({$tl})";
 702
 703                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 704                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 705                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 706                           "returnto={$rt}" ) . ' | ' .
 707                           $this->specialLink( 'preferences' );
 708                 }
 709                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 710                   wfMsg( 'help' ) );
 711
 712                 return $s;
 713         }
 714
 715         function getSearchLink() {
 716                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 717                 return $searchPage->getLocalURL();
 718         }
 719
 720         function escapeSearchLink() {
 721                 return htmlspecialchars( $this->getSearchLink() );
 722         }
 723
 724         function searchForm() {
 725                 global $wgRequest;
 726                 $search = $wgRequest->getText( 'search' );
 727
 728                 $s = '<form name="search" class="inline" method="post" action="'
 729                   . $this->escapeSearchLink() . "\">\n"
 730                   . '<input type="text" name="search" size="19" value="'
 731                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 732                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 733                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 734
 735                 return $s;
 736         }
 737
 738         function topLinks() {
 739                 global $wgOut;
 740                 $sep = " |\n";
 741
 742                 $s = $this->mainPageLink() . $sep
 743                   . $this->specialLink( 'recentchanges' );
 744
 745                 if ( $wgOut->isArticleRelated() ) {
 746                         $s .=  $sep . $this->editThisPage()
 747                           . $sep . $this->historyLink();
 748                 }
 749                 # Many people don't like this dropdown box
 750                 #$s .= $sep . $this->specialPagesList();
 751
 752                 return $s;
 753         }
 754
 755         function bottomLinks() {
 756                 global $wgOut, $wgUser, $wgTitle;
 757                 $sep = " |\n";
 758
 759                 $s = '';
 760                 if ( $wgOut->isArticleRelated() ) {
 761                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 762                         if ( 0 != $wgUser->getID() ) {
 763                                 $s .= $sep . $this->watchThisPage();
 764                         }
 765                         $s .= $sep . $this->talkLink()
 766                           . $sep . $this->historyLink()
 767                           . $sep . $this->whatLinksHere()
 768                           . $sep . $this->watchPageLinksLink();
 769
 770                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 771                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 772
 773                         {
 774                                 $id=User::idFromName($wgTitle->getText());
 775                                 $ip=User::isIP($wgTitle->getText());
 776
 777                                 if($id || $ip) { # both anons and non-anons have contri list
 778                                         $s .= $sep . $this->userContribsLink();
 779                                 }
 780                                 if( $this->showEmailUser( $id ) ) {
 781                                         $s .= $sep . $this->emailUserLink();
 782                                 }
 783                         }
 784                         if ( $wgTitle->getArticleId() ) {
 785                                 $s .= "\n<br />";
 786                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 787                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 788                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 789                         }
 790                         $s .= "<br />\n" . $this->otherLanguages();
 791                 }
 792                 return $s;
 793         }
 794
 795         function pageStats() {
 796                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 797                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax;
 798
 799                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 800                 if ( ! $wgOut->isArticle() ) { return ''; }
 801                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 802                 if ( 0 == $wgArticle->getID() ) { return ''; }
 803
 804                 $s = '';
 805                 if ( !$wgDisableCounters ) {
 806                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 807                         if ( $count ) {
 808                                 $s = wfMsg( 'viewcount', $count );
 809                         }
 810                 }
 811
 812                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 813                     require_once("Credits.php");
 814                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 815                 } else {
 816                     $s .= $this->lastModified();
 817                 }
 818
 819                 return $s . ' ' .  $this->getCopyright();
 820         }
 821
 822         function getCopyright() {
 823                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 824
 825
 826                 $oldid = $wgRequest->getVal( 'oldid' );
 827                 $diff = $wgRequest->getVal( 'diff' );
 828
 829                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 830                         $msg = 'history_copyright';
 831                 } else {
 832                         $msg = 'copyright';
 833                 }
 834
 835                 $out = '';
 836                 if( $wgRightsPage ) {
 837                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 838                 } elseif( $wgRightsUrl ) {
 839                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 840                 } else {
 841                         # Give up now
 842                         return $out;
 843                 }
 844                 $out .= wfMsgForContent( $msg, $link );
 845                 return $out;
 846         }
 847
 848         function getCopyrightIcon() {
 849                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 850                 $out = '';
 851                 if( $wgRightsIcon ) {
 852                         $icon = htmlspecialchars( $wgRightsIcon );
 853                         if( $wgRightsUrl ) {
 854                                 $url = htmlspecialchars( $wgRightsUrl );
 855                                 $out .= '<a href="'.$url.'">';
 856                         }
 857                         $text = htmlspecialchars( $wgRightsText );
 858                         $out .= "<img src=\"$icon\" alt='$text' />";
 859                         if( $wgRightsUrl ) {
 860                                 $out .= '</a>';
 861                         }
 862                 }
 863                 return $out;
 864         }
 865
 866         function getPoweredBy() {
 867                 global $wgStylePath;
 868                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 869                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 870                 return $img;
 871         }
 872
 873         function lastModified() {
 874                 global $wgLang, $wgArticle;
 875
 876                 $timestamp = $wgArticle->getTimestamp();
 877                 if ( $timestamp ) {
 878                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 879                         $s = ' ' . wfMsg( 'lastmodified', $d );
 880                 } else {
 881                         $s = '';
 882                 }
 883                 return $s;
 884         }
 885
 886         function logoText( $align = '' ) {
 887                 if ( '' != $align ) { $a = " align='{$align}'"; }
 888                 else { $a = ''; }
 889
 890                 $mp = wfMsg( 'mainpage' );
 891                 $titleObj = Title::newFromText( $mp );
 892                 if ( is_object( $titleObj ) ) {
 893                         $url = $titleObj->escapeLocalURL();
 894                 } else {
 895                         $url = '';
 896                 }
 897
 898                 $logourl = $this->getLogo();
 899                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 900                 return $s;
 901         }
 902
 903         /**
 904          * show a drop-down box of special pages
 905          * @TODO crash bug913. Need to be rewrote completly.
 906          */
 907         function specialPagesList() {
 908                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 909                 require_once('SpecialPage.php');
 910                 $a = array();
 911                 $pages = SpecialPage::getPages();
 912
 913                 foreach ( $pages[''] as $name => $page ) {
 914                         $a[$name] = $page->getDescription();
 915                 }
 916                 if ( $wgUser->isSysop() )
 917                 {
 918                         foreach ( $pages['sysop'] as $name => $page ) {
 919                                 $a[$name] = $page->getDescription();
 920                         }
 921                 }
 922                 if ( $wgUser->isDeveloper() )
 923                 {
 924                         foreach ( $pages['developer'] as $name => $page ) {
 925                                 $a[$name] = $page->getDescription() ;
 926                         }
 927                 }
 928                 $go = wfMsg( 'go' );
 929                 $sp = wfMsg( 'specialpages' );
 930                 $spp = $wgContLang->specialPage( 'Specialpages' );
 931
 932                 $s = '<form id="specialpages" method="get" class="inline" ' .
 933                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 934                 $s .= "<select name=\"wpDropdown\">\n";
 935                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 936
 937                 foreach ( $a as $name => $desc ) {
 938                         $p = $wgContLang->specialPage( $name );
 939                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 940                 }
 941                 $s .= "</select>\n";
 942                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 943                 $s .= "</form>\n";
 944                 return $s;
 945         }
 946
 947         function mainPageLink() {
 948                 $mp = wfMsgForContent( 'mainpage' );
 949                 $mptxt = wfMsg( 'mainpage');
 950                 $s = $this->makeKnownLink( $mp, $mptxt );
 951                 return $s;
 952         }
 953
 954         function copyrightLink() {
 955                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 956                   wfMsg( 'copyrightpagename' ) );
 957                 return $s;
 958         }
 959
 960         function aboutLink() {
 961                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 962                   wfMsg( 'aboutsite' ) );
 963                 return $s;
 964         }
 965
 966
 967         function disclaimerLink() {
 968                 $disclaimers = wfMsg( 'disclaimers' );
 969                 if ($disclaimers == '-') {
 970                         return "";
 971                 } else {
 972                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 973                                                      $disclaimers );
 974                 }
 975         }
 976
 977         function editThisPage() {
 978                 global $wgOut, $wgTitle, $wgRequest;
 979
 980                 $oldid = $wgRequest->getVal( 'oldid' );
 981                 $diff = $wgRequest->getVal( 'diff' );
 982                 $redirect = $wgRequest->getVal( 'redirect' );
 983
 984                 if ( ! $wgOut->isArticleRelated() ) {
 985                         $s = wfMsg( 'protectedpage' );
 986                 } else {
 987                         $n = $wgTitle->getPrefixedText();
 988                         if ( $wgTitle->userCanEdit() ) {
 989                                 $t = wfMsg( 'editthispage' );
 990                         } else {
 991                                 #$t = wfMsg( "protectedpage" );
 992                                 $t = wfMsg( 'viewsource' );
 993                         }
 994                         $oid = $red = '';
 995
 996                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
 997                         if ( $oldid && ! isset( $diff ) ) {
 998                                 $oid = '&oldid='.$oldid;
 999                         }
1000                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1001                 }
1002                 return $s;
1003         }
1004
1005         function deleteThisPage() {
1006                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1007
1008                 $diff = $wgRequest->getVal( 'diff' );
1009                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1010                         $n = $wgTitle->getPrefixedText();
1011                         $t = wfMsg( 'deletethispage' );
1012
1013                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1014                 } else {
1015                         $s = '';
1016                 }
1017                 return $s;
1018         }
1019
1020         function protectThisPage() {
1021                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1022
1023                 $diff = $wgRequest->getVal( 'diff' );
1024                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1025                         $n = $wgTitle->getPrefixedText();
1026
1027                         if ( $wgTitle->isProtected() ) {
1028                                 $t = wfMsg( 'unprotectthispage' );
1029                                 $q = 'action=unprotect';
1030                         } else {
1031                                 $t = wfMsg( 'protectthispage' );
1032                                 $q = 'action=protect';
1033                         }
1034                         $s = $this->makeKnownLink( $n, $t, $q );
1035                 } else {
1036                         $s = '';
1037                 }
1038                 return $s;
1039         }
1040
1041         function watchThisPage() {
1042                 global $wgUser, $wgOut, $wgTitle;
1043
1044                 if ( $wgOut->isArticleRelated() ) {
1045                         $n = $wgTitle->getPrefixedText();
1046
1047                         if ( $wgTitle->userIsWatching() ) {
1048                                 $t = wfMsg( 'unwatchthispage' );
1049                                 $q = 'action=unwatch';
1050                         } else {
1051                                 $t = wfMsg( 'watchthispage' );
1052                                 $q = 'action=watch';
1053                         }
1054                         $s = $this->makeKnownLink( $n, $t, $q );
1055                 } else {
1056                         $s = wfMsg( 'notanarticle' );
1057                 }
1058                 return $s;
1059         }
1060
1061         function moveThisPage() {
1062                 global $wgTitle, $wgContLang;
1063
1064                 if ( $wgTitle->userCanMove() ) {
1065                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1066                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1067                 } // no message if page is protected - would be redundant
1068                 return $s;
1069         }
1070
1071         function historyLink() {
1072                 global $wgTitle;
1073
1074                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1075                   wfMsg( 'history' ), 'action=history' );
1076                 return $s;
1077         }
1078
1079         function whatLinksHere() {
1080                 global $wgTitle, $wgContLang;
1081
1082                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1083                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1084                 return $s;
1085         }
1086
1087         function userContribsLink() {
1088                 global $wgTitle, $wgContLang;
1089
1090                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1091                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1092                 return $s;
1093         }
1094
1095         function showEmailUser( $id ) {
1096                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1097                 return $wgEnableEmail &&
1098                        $wgEnableUserEmail &&
1099                        0 != $wgUser->getID() && # show only to signed in users
1100                        0 != $id; # can only email non-anons
1101         }
1102
1103         function emailUserLink() {
1104                 global $wgTitle, $wgContLang;
1105
1106                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1107                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1108                 return $s;
1109         }
1110
1111         function watchPageLinksLink() {
1112                 global $wgOut, $wgTitle, $wgContLang;
1113
1114                 if ( ! $wgOut->isArticleRelated() ) {
1115                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1116                 } else {
1117                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1118                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1119                           'target=' . $wgTitle->getPrefixedURL() );
1120                 }
1121                 return $s;
1122         }
1123
1124         function otherLanguages() {
1125                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1126
1127                 $a = $wgOut->getLanguageLinks();
1128                 if ( 0 == count( $a ) ) {
1129                         if ( !$wgUseNewInterlanguage ) return '';
1130                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1131                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1132                         $pn = 'Intl' ;
1133                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1134                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1135                                   wfMsg( 'intl' ) , $x );
1136                         }
1137
1138                 if ( !$wgUseNewInterlanguage ) {
1139                         $s = wfMsg( 'otherlanguages' ) . ': ';
1140                 } else {
1141                         global $wgContLanguageCode ;
1142                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1143                         $x .= '&xl='.$wgContLanguageCode ;
1144                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1145                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1146                         }
1147
1148                 $s = wfMsg( 'otherlanguages' ) . ': ';
1149                 $first = true;
1150                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1151                 foreach( $a as $l ) {
1152                         if ( ! $first ) { $s .= ' | '; }
1153                         $first = false;
1154
1155                         $nt = Title::newFromText( $l );
1156                         $url = $nt->getFullURL();
1157                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1158
1159                         if ( '' == $text ) { $text = $l; }
1160                         $style = $this->getExternalLinkAttributes( $l, $text );
1161                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1162                 }
1163                 if($wgContLang->isRTL()) $s .= '</span>';
1164                 return $s;
1165         }
1166
1167         function bugReportsLink() {
1168                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1169                   wfMsg( 'bugreports' ) );
1170                 return $s;
1171         }
1172
1173         function dateLink() {
1174                 global $wgLinkCache;
1175                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1176                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1177
1178                 $wgLinkCache->suspend();
1179                 $id = $t1->getArticleID();
1180                 $wgLinkCache->resume();
1181
1182                 if ( 0 == $id ) {
1183                         $s = $this->makeBrokenLink( $t1->getText() );
1184                 } else {
1185                         $s = $this->makeKnownLink( $t1->getText() );
1186                 }
1187                 $s .= ', ';
1188
1189                 $wgLinkCache->suspend();
1190                 $id = $t2->getArticleID();
1191                 $wgLinkCache->resume();
1192
1193                 if ( 0 == $id ) {
1194                         $s .= $this->makeBrokenLink( $t2->getText() );
1195                 } else {
1196                         $s .= $this->makeKnownLink( $t2->getText() );
1197                 }
1198                 return $s;
1199         }
1200
1201         function talkLink() {
1202                 global $wgContLang, $wgTitle, $wgLinkCache;
1203
1204                 $tns = $wgTitle->getNamespace();
1205                 if ( -1 == $tns ) { return ''; }
1206
1207                 $pn = $wgTitle->getText();
1208                 $tp = wfMsg( 'talkpage' );
1209                 if ( Namespace::isTalk( $tns ) ) {
1210                         $lns = Namespace::getSubject( $tns );
1211                         switch($tns) {
1212                                 case 1:
1213                                 $text = wfMsg('articlepage');
1214                                 break;
1215                                 case 3:
1216                                 $text = wfMsg('userpage');
1217                                 break;
1218                                 case 5:
1219                                 $text = wfMsg('wikipediapage');
1220                                 break;
1221                                 case 7:
1222                                 $text = wfMsg('imagepage');
1223                                 break;
1224                                 default:
1225                                 $text= wfMsg('articlepage');
1226                         }
1227                 } else {
1228
1229                         $lns = Namespace::getTalk( $tns );
1230                         $text=$tp;
1231                 }
1232                 $n = $wgContLang->getNsText( $lns );
1233                 if ( '' == $n ) { $link = $pn; }
1234                 else { $link = $n.':'.$pn; }
1235
1236                 $wgLinkCache->suspend();
1237                 $s = $this->makeLink( $link, $text );
1238                 $wgLinkCache->resume();
1239
1240                 return $s;
1241         }
1242
1243         function commentLink() {
1244                 global $wgContLang, $wgTitle, $wgLinkCache;
1245
1246                 $tns = $wgTitle->getNamespace();
1247                 if ( -1 == $tns ) { return ''; }
1248
1249                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1250
1251                 # assert Namespace::isTalk( $lns )
1252
1253                 $n = $wgContLang->getNsText( $lns );
1254                 $pn = $wgTitle->getText();
1255
1256                 $link = $n.':'.$pn;
1257
1258                 $wgLinkCache->suspend();
1259                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1260                 $wgLinkCache->resume();
1261
1262                 return $s;
1263         }
1264
1265         /**
1266          * After all the page content is transformed into HTML, it makes
1267          * a final pass through here for things like table backgrounds.
1268          * @todo probably deprecated [AV]
1269          */
1270         function transformContent( $text ) {
1271                 return $text;
1272         }
1273
1274         /**
1275          * Note: This function MUST call getArticleID() on the link,
1276          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1277          */
1278         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1279                 wfProfileIn( 'Skin::makeLink' );
1280                 $nt = Title::newFromText( $title );
1281                 if ($nt) {
1282                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1283                 } else {
1284                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1285                         $result = $text == "" ? $title : $text;
1286                 }
1287
1288                 wfProfileOut( 'Skin::makeLink' );
1289                 return $result;
1290         }
1291
1292         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1293                 $nt = Title::newFromText( $title );
1294                 if ($nt) {
1295                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1296                 } else {
1297                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1298                         return $text == '' ? $title : $text;
1299                 }
1300         }
1301
1302         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1303                 $nt = Title::newFromText( $title );
1304                 if ($nt) {
1305                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1306                 } else {
1307                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1308                         return $text == '' ? $title : $text;
1309                 }
1310         }
1311
1312         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1313                 $nt = Title::newFromText( $title );
1314                 if ($nt) {
1315                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1316                 } else {
1317                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1318                         return $text == '' ? $title : $text;
1319                 }
1320         }
1321
1322         /**
1323          * Pass a title object, not a title string
1324          */
1325         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1326                 global $wgOut, $wgUser, $wgLinkHolders;
1327                 $fname = 'Skin::makeLinkObj';
1328                 wfProfileIn( $fname );
1329
1330                 # Fail gracefully
1331                 if ( ! isset($nt) ) {
1332                         # wfDebugDieBacktrace();
1333                         wfProfileOut( $fname );
1334                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1335                 }
1336
1337                 $ns = $nt->getNamespace();
1338                 $dbkey = $nt->getDBkey();
1339                 if ( $nt->isExternal() ) {
1340                         $u = $nt->getFullURL();
1341                         $link = $nt->getPrefixedURL();
1342                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1343                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1344
1345                         $inside = '';
1346                         if ( '' != $trail ) {
1347                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1348                                         $inside = $m[1];
1349                                         $trail = $m[2];
1350                                 }
1351                         }
1352                         # Assume $this->postParseLinkColour(). This prevents
1353                         # interwiki links from being parsed as external links.
1354                         global $wgInterwikiLinkHolders;
1355                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1356                         $nr = array_push($wgInterwikiLinkHolders, $t);
1357                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1358                 } elseif ( 0 == $ns && "" == $dbkey ) {
1359                         # A self-link with a fragment; skip existence check.
1360                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1361                 } elseif ( ( NS_SPECIAL == $ns ) || ( NS_IMAGE == $ns ) ) {
1362                         # These are always shown as existing, currently.
1363                         # Special pages don't exist in the database; images may
1364                         # occasionally be present when there is no description
1365                         # page per se, so we always shown them.
1366                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1367                 } elseif ( $this->postParseLinkColour ) {
1368                         wfProfileIn( $fname.'-postparse' );
1369                         # Insert a placeholder, and we'll work out the existence checks
1370                         # in a big lump later.
1371                         $inside = '';
1372                         if ( '' != $trail ) {
1373                                 if ( preg_match( $this->linktrail, $trail, $m ) ) {
1374                                         $inside = $m[1];
1375                                         $trail = $m[2];
1376                                 }
1377                         }
1378
1379                         # These get picked up by Parser::replaceLinkHolders()
1380                         $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1381                         $wgLinkHolders['dbkeys'][] = $dbkey;
1382                         $wgLinkHolders['queries'][] = $query;
1383                         $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1384                         $wgLinkHolders['titles'][] =& $nt;
1385
1386                         $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1387                         wfProfileOut( $fname.'-postparse' );
1388                 } else {
1389                         wfProfileIn( $fname.'-immediate' );
1390                         # Work out link colour immediately
1391                         $aid = $nt->getArticleID() ;
1392                         if ( 0 == $aid ) {
1393                                 $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1394                         } else {
1395                                 $threshold = $wgUser->getOption('stubthreshold') ;
1396                                 if ( $threshold > 0 ) {
1397                                         $dbr =& wfGetDB( DB_SLAVE );
1398                                         $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1399                                                 'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1400                                         if ( $s !== false ) {
1401                                                 $size = $s->x;
1402                                                 if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1403                                                         $size = $threshold*2 ; # Really big
1404                                                 }
1405                                                 $dbr->freeResult( $res );
1406                                         } else {
1407                                                 $size = $threshold*2 ; # Really big
1408                                         }
1409                                 } else {
1410                                         $size = 1 ;
1411                                 }
1412                                 if ( $size < $threshold ) {
1413                                         $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1414                                 } else {
1415                                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1416                                 }
1417                         }
1418                         wfProfileOut( $fname.'-immediate' );
1419                 }
1420                 wfProfileOut( $fname );
1421                 return $retVal;
1422         }
1423
1424         /**
1425          * Pass a title object, not a title string
1426          */
1427         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1428                 global $wgOut, $wgTitle, $wgInputEncoding;
1429
1430                 $fname = 'Skin::makeKnownLinkObj';
1431                 wfProfileIn( $fname );
1432
1433                 if ( !is_object( $nt ) ) {
1434                         wfProfileIn( $fname );
1435                         return $text;
1436                 }
1437
1438                 $u = $nt->escapeLocalURL( $query );
1439                 if ( '' != $nt->getFragment() ) {
1440                         if( $nt->getPrefixedDbkey() == '' ) {
1441                                 $u = '';
1442                                 if ( '' == $text ) {
1443                                         $text = htmlspecialchars( $nt->getFragment() );
1444                                 }
1445                         }
1446                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1447                         $replacearray = array(
1448                                 '%3A' => ':',
1449                                 '%' => '.'
1450                         );
1451                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1452                 }
1453                 if ( '' == $text ) {
1454                         $text = htmlspecialchars( $nt->getPrefixedText() );
1455                 }
1456                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1457
1458                 $inside = '';
1459                 if ( '' != $trail ) {
1460                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1461                                 $inside = $m[1];
1462                                 $trail = $m[2];
1463                         }
1464                 }
1465                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1466                 wfProfileOut( $fname );
1467                 return $r;
1468         }
1469
1470         /**
1471          * Pass a title object, not a title string
1472          */
1473         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1474                 # Fail gracefully
1475                 if ( ! isset($nt) ) {
1476                         # wfDebugDieBacktrace();
1477                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1478                 }
1479
1480                 $fname = 'Skin::makeBrokenLinkObj';
1481                 wfProfileIn( $fname );
1482
1483                 if ( '' == $query ) {
1484                         $q = 'action=edit';
1485                 } else {
1486                         $q = 'action=edit&'.$query;
1487                 }
1488                 $u = $nt->escapeLocalURL( $q );
1489
1490                 if ( '' == $text ) {
1491                         $text = htmlspecialchars( $nt->getPrefixedText() );
1492                 }
1493                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1494
1495                 $inside = '';
1496                 if ( '' != $trail ) {
1497                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1498                                 $inside = $m[1];
1499                                 $trail = $m[2];
1500                         }
1501                 }
1502                 if ( $this->mOptions['highlightbroken'] ) {
1503                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1504                 } else {
1505                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1506                 }
1507
1508                 wfProfileOut( $fname );
1509                 return $s;
1510         }
1511
1512         /**
1513          * Pass a title object, not a title string
1514          */
1515         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1516                 $link = $nt->getPrefixedURL();
1517
1518                 $u = $nt->escapeLocalURL( $query );
1519
1520                 if ( '' == $text ) {
1521                         $text = htmlspecialchars( $nt->getPrefixedText() );
1522                 }
1523                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1524
1525                 $inside = '';
1526                 if ( '' != $trail ) {
1527                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1528                                 $inside = $m[1];
1529                                 $trail = $m[2];
1530                         }
1531                 }
1532                 if ( $this->mOptions['highlightbroken'] ) {
1533                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1534                 } else {
1535                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1536                 }
1537                 return $s;
1538         }
1539
1540         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1541                 $u = $nt->escapeLocalURL( $query );
1542                 if ( '' == $text ) {
1543                         $text = htmlspecialchars( $nt->getPrefixedText() );
1544                 }
1545                 $inside = '';
1546                 if ( '' != $trail ) {
1547                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1548                                 $inside = $m[1];
1549                                 $trail = $m[2];
1550                         }
1551                 }
1552                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1553         }
1554
1555         /* these are used extensively in SkinPHPTal, but also some other places */
1556         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1557                 $title = Title::makeTitle( NS_SPECIAL, $name );
1558                 $this->checkTitle($title, $name);
1559                 return $title->getLocalURL( $urlaction );
1560         }
1561         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1562                 $title = Title::newFromText( $name );
1563                 $title = $title->getTalkPage();
1564                 $this->checkTitle($title, $name);
1565                 return $title->getLocalURL( $urlaction );
1566         }
1567         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1568                 $title = Title::newFromText( $name );
1569                 $title= $title->getSubjectPage();
1570                 $this->checkTitle($title, $name);
1571                 return $title->getLocalURL( $urlaction );
1572         }
1573         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1574                 $title = Title::newFromText( wfMsgForContent($name) );
1575                 $this->checkTitle($title, $name);
1576                 return $title->getLocalURL( $urlaction );
1577         }
1578         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1579                 $title = Title::newFromText( $name );
1580                 $this->checkTitle($title, $name);
1581                 return $title->getLocalURL( $urlaction );
1582         }
1583
1584         # If url string starts with http, consider as external URL, else
1585         # internal
1586         /*static*/ function makeInternalOrExternalUrl( $name ) {
1587                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1588                         return $name;
1589                 } else {
1590                         return $this->makeUrl( $name );
1591                 }
1592         }
1593
1594         # this can be passed the NS number as defined in Language.php
1595         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1596                 $title = Title::makeTitleSafe( $namespace, $name );
1597                 $this->checkTitle($title, $name);
1598                 return $title->getLocalURL( $urlaction );
1599         }
1600
1601         /* these return an array with the 'href' and boolean 'exists' */
1602         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1603                 $title = Title::newFromText( $name );
1604                 $this->checkTitle($title, $name);
1605                 return array(
1606                         'href' => $title->getLocalURL( $urlaction ),
1607                         'exists' => $title->getArticleID() != 0?true:false
1608                 );
1609         }
1610         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1611                 $title = Title::newFromText( $name );
1612                 $title = $title->getTalkPage();
1613                 $this->checkTitle($title, $name);
1614                 return array(
1615                         'href' => $title->getLocalURL( $urlaction ),
1616                         'exists' => $title->getArticleID() != 0?true:false
1617                 );
1618         }
1619         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1620                 $title = Title::newFromText( $name );
1621                 $title= $title->getSubjectPage();
1622                 $this->checkTitle($title, $name);
1623                 return array(
1624                         'href' => $title->getLocalURL( $urlaction ),
1625                         'exists' => $title->getArticleID() != 0?true:false
1626                 );
1627         }
1628         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1629                 $title = Title::newFromText( wfMsgForContent($name) );
1630                 $this->checkTitle($title, $name);
1631                 return array(
1632                         'href' => $title->getLocalURL( $urlaction ),
1633                         'exists' => $title->getArticleID() != 0?true:false
1634                 );
1635         }
1636
1637         # make sure we have some title to operate on
1638         /*static*/ function checkTitle ( &$title, &$name ) {
1639                 if(!is_object($title)) {
1640                         $title = Title::newFromText( $name );
1641                         if(!is_object($title)) {
1642                                 $title = Title::newFromText( '--error: link target missing--' );
1643                         }
1644                 }
1645         }
1646
1647         function fnamePart( $url ) {
1648                 $basename = strrchr( $url, '/' );
1649                 if ( false === $basename ) {
1650                         $basename = $url;
1651                 } else {
1652                         $basename = substr( $basename, 1 );
1653                 }
1654                 return htmlspecialchars( $basename );
1655         }
1656
1657         function makeImage( $url, $alt = '' ) {
1658                 global $wgOut;
1659                 if ( '' == $alt ) {
1660                         $alt = $this->fnamePart( $url );
1661                 }
1662                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1663                 return $s;
1664         }
1665
1666         function makeImageLink( $name, $url, $alt = '' ) {
1667                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1668                 return $this->makeImageLinkObj( $nt, $alt );
1669         }
1670
1671         function makeImageLinkObj( $nt, $alt = '' ) {
1672                 global $wgContLang, $wgUseImageResize;
1673                 $img   = Image::newFromTitle( $nt );
1674                 $url   = $img->getViewURL();
1675
1676                 $align = '';
1677                 $prefix = $postfix = '';
1678
1679                 # Check if the alt text is of the form "options|alt text"
1680                 # Options are:
1681                 #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1682                 #  * left               no resizing, just left align. label is used for alt= only
1683                 #  * right              same, but right aligned
1684                 #  * none               same, but not aligned
1685                 #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1686                 #  * center             center the image
1687                 #  * framed             Keep original image size, no magnify-button.
1688
1689                 $part = explode( '|', $alt);
1690
1691                 $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1692                 $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1693                 $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1694                 $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1695                 $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1696                 $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1697                 $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1698                 $alt = '';
1699
1700                 $height = $framed = $thumb = false;
1701                 $manual_thumb = "" ;
1702
1703                 foreach( $part as $key => $val ) {
1704                         $val_parts = explode ( "=" , $val , 2 ) ;
1705                         $left_part = array_shift ( $val_parts ) ;
1706                         if ( $wgUseImageResize && ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1707                                 $thumb=true;
1708                         } elseif ( $wgUseImageResize && count ( $val_parts ) == 1 && ! is_null( $mwThumb->matchVariableStartToEnd($left_part) ) ) {
1709                                 # use manually specified thumbnail
1710                                 $thumb=true;
1711                                 $manual_thumb = array_shift ( $val_parts ) ;
1712                         } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1713                                 # remember to set an alignment, don't render immediately
1714                                 $align = 'right';
1715                         } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1716                                 # remember to set an alignment, don't render immediately
1717                                 $align = 'left';
1718                         } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1719                                 # remember to set an alignment, don't render immediately
1720                                 $align = 'center';
1721                         } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1722                                 # remember to set an alignment, don't render immediately
1723                                 $align = 'none';
1724                         } elseif ( $wgUseImageResize && ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1725                                 # $match is the image width in pixels
1726                                 if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1727                                         $width = intval( $m[1] );
1728                                         $height = intval( $m[2] );
1729                                 } else {
1730                                         $width = intval($match);
1731                                 }
1732                         } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1733                                 $framed=true;
1734                         } else {
1735                                 $alt = $val;
1736                         }
1737                 }
1738                 if ( 'center' == $align )
1739                 {
1740                         $prefix  = '<div class="center">';
1741                         $postfix = '</div>';
1742                         $align   = 'none';
1743                 }
1744
1745                 if ( $thumb || $framed ) {
1746
1747                         # Create a thumbnail. Alignment depends on language
1748                         # writing direction, # right aligned for left-to-right-
1749                         # languages ("Western languages"), left-aligned
1750                         # for right-to-left-languages ("Semitic languages")
1751                         #
1752                         # If  thumbnail width has not been provided, it is set
1753                         # here to 180 pixels
1754                         if ( $align == '' ) {
1755                                 $align = $wgContLang->isRTL() ? 'left' : 'right';
1756                         }
1757                         if ( ! isset($width) ) {
1758                                 $width = 180;
1759                         }
1760                         return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
1761
1762                 } elseif ( isset($width) ) {
1763
1764                         # Create a resized image, without the additional thumbnail
1765                         # features
1766
1767                         if (    ( ! $height === false )
1768                              && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1769                                 $width = $img->getWidth() * $height / $img->getHeight();
1770                         }
1771                         if ( '' == $manual_thumb ) $url = $img->createThumb( $width );
1772                 }
1773
1774                 $alt = preg_replace( '/<[^>]*>/', '', $alt );
1775                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1776                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1777
1778                 $u = $nt->escapeLocalURL();
1779                 if ( $url == '' ) {
1780                         $s = wfMsg( 'missingimage', $img->getName() );
1781                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1782                 } else {
1783                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1784                                  '<img src="'.$url.'" alt="'.$alt.'" longdesc="'.$u.'" /></a>';
1785                 }
1786                 if ( '' != $align ) {
1787                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1788                 }
1789                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1790         }
1791
1792         /**
1793          * Make HTML for a thumbnail including image, border and caption
1794          * $img is an Image object
1795          */
1796         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
1797                 global $wgStylePath, $wgContLang;
1798                 # $image = Title::makeTitleSafe( NS_IMAGE, $name );
1799                 $url  = $img->getViewURL();
1800
1801                 #$label = htmlspecialchars( $label );
1802                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1803                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1804                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1805
1806                 $width = $height = 0;
1807                 if ( $img->exists() )
1808                 {
1809                         $width  = $img->getWidth();
1810                         $height = $img->getHeight();
1811                 }
1812                 if ( 0 == $width || 0 == $height )
1813                 {
1814                         $width = $height = 200;
1815                 }
1816                 if ( $boxwidth == 0 )
1817                 {
1818                         $boxwidth = 200;
1819                 }
1820                 if ( $framed )
1821                 {
1822                         // Use image dimensions, don't scale
1823                         $boxwidth  = $width;
1824                         $oboxwidth = $boxwidth + 2;
1825                         $boxheight = $height;
1826                         $thumbUrl  = $url;
1827                 } else {
1828                         $h  = intval( $height/($width/$boxwidth) );
1829                         $oboxwidth = $boxwidth + 2;
1830                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1831                         {
1832                                 $boxwidth *= $boxheight/$h;
1833                         } else {
1834                                 $boxheight = $h;
1835                         }
1836                         if ( '' == $manual_thumb ) $thumbUrl = $img->createThumb( $boxwidth );
1837                 }
1838
1839                 if ( $manual_thumb != '' ) # Use manually specified thumbnail
1840                 {
1841                         $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
1842                         $manual_img = Image::newFromTitle( $manual_title );
1843                         $thumbUrl = $manual_img->getViewURL();
1844                         if ( $manual_img->exists() )
1845                         {
1846                                 $width  = $manual_img->getWidth();
1847                                 $height = $manual_img->getHeight();
1848                                 $boxwidth = $width ;
1849                                 $boxheight = $height ;
1850                                 $oboxwidth = $boxwidth + 2 ;
1851                         }
1852                 }
1853
1854                 $u = $img->getEscapeLocalURL();
1855
1856                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1857                 $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
1858                 $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
1859
1860                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1861                 if ( $thumbUrl == '' ) {
1862                         $s .= wfMsg( 'missingimage', $img->getName() );
1863                         $zoomicon = '';
1864                 } else {
1865                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1866                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1867                                 'width="'.$boxwidth.'" height="'.$boxheight.'" ' .
1868                                 'longdesc="'.$u.'" /></a>';
1869                         if ( $framed ) {
1870                                 $zoomicon="";
1871                         } else {
1872                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1873                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1874                                         '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
1875                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1876                         }
1877                 }
1878                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1879                 return str_replace("\n", ' ', $s);
1880         }
1881
1882         function makeMediaLink( $name, $url, $alt = '' ) {
1883                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1884                 return $this->makeMediaLinkObj( $nt, $alt );
1885         }
1886
1887         function makeMediaLinkObj( $nt, $alt = '', $nourl=false ) {
1888                 if ( ! isset( $nt ) )
1889                 {
1890                         ### HOTFIX. Instead of breaking, return empty string.
1891                         $s = $alt;
1892                 } else {
1893                         $name = $nt->getDBKey();
1894                         $img   = Image::newFromTitle( $nt );
1895                         $url = $img->getURL();
1896                         # $nourl can be set by the parser
1897                         # this is a hack to mask absolute URLs, so the parser doesn't
1898                         # linkify them (it is currently not context-aware)
1899                         # 2004-10-25
1900                         if ($nourl) { $url=str_replace("http://","http-noparse://",$url) ; }
1901                         if ( empty( $alt ) ) {
1902                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1903                         }
1904                         $u = htmlspecialchars( $url );
1905                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1906                 }
1907                 return $s;
1908         }
1909
1910         function specialLink( $name, $key = '' ) {
1911                 global $wgContLang;
1912
1913                 if ( '' == $key ) { $key = strtolower( $name ); }
1914                 $pn = $wgContLang->ucfirst( $name );
1915                 return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1916                   wfMsg( $key ) );
1917         }
1918
1919         function makeExternalLink( $url, $text, $escape = true ) {
1920                 $style = $this->getExternalLinkAttributes( $url, $text );
1921                 $url = htmlspecialchars( $url );
1922                 if( $escape ) {
1923                         $text = htmlspecialchars( $text );
1924                 }
1925                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
1926         }
1927
1928
1929         /**
1930          * This function is called by all recent changes variants, by the page history,
1931          * and by the user contributions list. It is responsible for formatting edit
1932          * comments. It escapes any HTML in the comment, but adds some CSS to format
1933          * auto-generated comments (from section editing) and formats [[wikilinks]].
1934          *
1935          * The &$title parameter must be a title OBJECT. It is used to generate a
1936          * direct link to the section in the autocomment.
1937          * @author Erik Moeller <moeller@scireview.de>
1938          *
1939          * Note: there's not always a title to pass to this function.
1940          * Since you can't set a default parameter for a reference, I've turned it
1941          * temporarily to a value pass. Should be adjusted further. --brion
1942          */
1943         function formatComment($comment, $title = NULL) {
1944                 $fname = 'Skin::formatComment';
1945                 wfProfileIn( $fname );
1946
1947                 global $wgContLang;
1948                 $comment = htmlspecialchars( $comment );
1949
1950                 # The pattern for autogen comments is / * foo * /, which makes for
1951                 # some nasty regex.
1952                 # We look for all comments, match any text before and after the comment,
1953                 # add a separator where needed and format the comment itself with CSS
1954                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
1955                         $pre=$match[1];
1956                         $auto=$match[2];
1957                         $post=$match[3];
1958                         $link='';
1959                         if($title) {
1960                                 $section=$auto;
1961
1962                                 # This is hackish but should work in most cases.
1963                                 $section=str_replace('[[','',$section);
1964                                 $section=str_replace(']]','',$section);
1965                                 $title->mFragment=$section;
1966                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
1967                         }
1968                         $sep='-';
1969                         $auto=$link.$auto;
1970                         if($pre) { $auto = $sep.' '.$auto; }
1971                         if($post) { $auto .= ' '.$sep; }
1972                         $auto='<span class="autocomment">'.$auto.'</span>';
1973                         $comment=$pre.$auto.$post;
1974                 }
1975
1976                 # format regular and media links - all other wiki formatting
1977                 # is ignored
1978                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
1979                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
1980                         # Handle link renaming [[foo|text]] will show link as "text"
1981                         if( "" != $match[3] ) {
1982                                 $text = $match[3];
1983                         } else {
1984                                 $text = $match[1];
1985                         }
1986                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
1987                                 # Media link; trail not supported.
1988                                 $linkRegexp = '/\[\[(.*?)\]\]/';
1989                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
1990                         } else {
1991                                 # Other kind of link
1992                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
1993                                         $trail = $submatch[1];
1994                                 } else {
1995                                         $trail = "";
1996                                 }
1997                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
1998                                 if ($match[1][0] == ':')
1999                                         $match[1] = substr($match[1], 1);
2000                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2001                         }
2002                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2003                 }
2004                 wfProfileOut( $fname );
2005                 return $comment;
2006         }
2007
2008         function tocIndent($level) {
2009                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2010         }
2011
2012         function tocUnindent($level) {
2013                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2014         }
2015
2016         /**
2017          * parameter level defines if we are on an indentation level
2018          */
2019         function tocLine( $anchor, $tocline, $level ) {
2020                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2021                 if($level) {
2022                         return $link."\n";
2023                 } else {
2024                         return '<div class="tocline">'.$link."</div>\n";
2025                 }
2026
2027         }
2028
2029         function tocTable($toc) {
2030                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2031                 # try min-width & co when somebody gets a chance
2032                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2033                 return
2034                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2035                 '<b>'.wfMsgForContent('toc').'</b>' .
2036                 $hideline .
2037                 '</td></tr><tr id="tocinside"><td>'."\n".
2038                 $toc."</td></tr></table>\n";
2039         }
2040
2041         /**
2042          * These two do not check for permissions: check $wgTitle->userCanEdit
2043          * before calling them
2044          */
2045         function editSectionScriptForOther( $title, $section, $head ) {
2046                 $ttl = Title::newFromText( $title );
2047                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2048                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2049         }
2050
2051         function editSectionScript( $nt, $section, $head ) {
2052                 global $wgRequest;
2053                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2054                         return $head;
2055                 }
2056                 $url = $nt->escapeLocalURL( 'action=edit&section='.$section );
2057                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2058         }
2059
2060         function editSectionLinkForOther( $title, $section ) {
2061                 global $wgRequest;
2062                 global $wgContLang;
2063
2064                 $title = Title::newFromText($title);
2065                 $editurl = '&section='.$section;
2066                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2067
2068                 if( $wgContLang->isRTL() ) {
2069                         $farside = 'left';
2070                         $nearside = 'right';
2071                 } else {
2072                         $farside = 'right';
2073                         $nearside = 'left';
2074                 }
2075                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2076
2077         }
2078
2079         function editSectionLink( $nt, $section ) {
2080                 global $wgRequest;
2081                 global $wgContLang;
2082
2083                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2084                         # Section edit links would be out of sync on an old page.
2085                         # But, if we're diffing to the current page, they'll be
2086                         # correct.
2087                         return '';
2088                 }
2089
2090                 $editurl = '&section='.$section;
2091                 $url = $this->makeKnownLink($nt->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2092
2093                 if( $wgContLang->isRTL() ) {
2094                         $farside = 'left';
2095                         $nearside = 'right';
2096                 } else {
2097                         $farside = 'right';
2098                         $nearside = 'left';
2099                 }
2100                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2101
2102         }
2103
2104         /**
2105          * @access public
2106          */
2107         function suppressUrlExpansion() {
2108                 return false;
2109         }
2110 }
2111
2112 }
2113 ?>