includes/Skin.php

   1 <?php
   2
   3 /**
   4  *
   5  * @package MediaWiki
   6  */
   7
   8 /**
   9  * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
  10  */
  11 if( defined( "MEDIAWIKI" ) ) {
  12
  13 # See skin.doc
  14 require_once( 'Image.php' );
  15
  16 # These are the INTERNAL names, which get mapped directly to class names and
  17 # file names in ./skins/. For display purposes, the Language class has
  18 # internationalized names
  19 #
  20 /*
  21 $wgValidSkinNames = array(
  22         'standard'      => 'Standard',
  23         'nostalgia'     => 'Nostalgia',
  24         'cologneblue'   => 'CologneBlue'
  25 );
  26 if( $wgUsePHPTal ) {
  27         #$wgValidSkinNames[] = 'PHPTal';
  28         #$wgValidSkinNames['davinci'] = 'DaVinci';
  29         #$wgValidSkinNames['mono'] = 'Mono';
  30         #$wgValidSkinNames['monobookminimal'] = 'MonoBookMinimal';
  31         $wgValidSkinNames['monobook'] = 'MonoBook';
  32         $wgValidSkinNames['myskin'] = 'MySkin';
  33         $wgValidSkinNames['chick'] = 'Chick';
  34 }
  35 */
  36
  37 # Get a list of all skins available in /skins/
  38 # Build using the regular expression '^(.*).php$'
  39 # Array keys are all lower case, array value keep the case used by filename
  40 #
  41
  42 $skinDir = dir($IP.'/skins');
  43
  44 # while code from www.php.net
  45 while (false !== ($file = $skinDir->read())) {
  46         if(preg_match('/^(.*).php$/',$file, $matches)) {
  47                 $aSkin = $matches[1];
  48         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  49         }
  50 }
  51 $skinDir->close();
  52 unset($matches);
  53
  54 require_once( 'RecentChange.php' );
  55
  56 global $wgLinkHolders;
  57 $wgLinkHolders = array(
  58         'namespaces' => array(),
  59         'dbkeys' => array(),
  60         'queries' => array(),
  61         'texts' => array(),
  62         'titles' => array()
  63 );
  64 global $wgInterwikiLinkHolders;
  65 $wgInterwikiLinkHolders = array();
  66
  67 /**
  68  * @todo document
  69  * @package MediaWiki
  70  */
  71 class RCCacheEntry extends RecentChange
  72 {
  73         var $secureName, $link;
  74         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  75         var $userlink, $timestamp, $watched;
  76
  77         function newFromParent( $rc )
  78         {
  79                 $rc2 = new RCCacheEntry;
  80                 $rc2->mAttribs = $rc->mAttribs;
  81                 $rc2->mExtra = $rc->mExtra;
  82                 return $rc2;
  83         }
  84 } ;
  85
  86
  87 /**
  88  * The main skin class that provide methods and properties for all other skins
  89  * including PHPTal skins.
  90  * This base class is also the "Standard" skin.
  91  * @package MediaWiki
  92  */
  93 class Skin {
  94         /**#@+
  95          * @access private
  96          */
  97         var $lastdate, $lastline;
  98         var $linktrail ; # linktrail regexp
  99         var $rc_cache ; # Cache for Enhanced Recent Changes
 100         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
 101         var $rcMoveIndex;
 102         var $postParseLinkColour = true;
 103         /**#@-*/
 104
 105         function Skin() {
 106                 global $wgUseOldExistenceCheck;
 107                 $postParseLinkColour = !$wgUseOldExistenceCheck;
 108                 $this->linktrail = wfMsg('linktrail');
 109         }
 110
 111         function getSkinNames() {
 112                 global $wgValidSkinNames;
 113                 return $wgValidSkinNames;
 114         }
 115
 116         function getStylesheet() {
 117                 return 'common/wikistandard.css';
 118         }
 119
 120         function getSkinName() {
 121                 return 'standard';
 122         }
 123
 124         /**
 125          * Get/set accessor for delayed link colouring
 126          */
 127         function postParseLinkColour( $setting = NULL ) {
 128                 return wfSetVar( $this->postParseLinkColour, $setting );
 129         }
 130
 131         function qbSetting() {
 132                 global $wgOut, $wgUser;
 133
 134                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 135                 $q = $wgUser->getOption( 'quickbar' );
 136                 if ( '' == $q ) { $q = 0; }
 137                 return $q;
 138         }
 139
 140         function initPage( &$out ) {
 141                 $fname = 'Skin::initPage';
 142                 wfProfileIn( $fname );
 143
 144                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 145
 146                 $this->addMetadataLinks($out);
 147
 148                 wfProfileOut( $fname );
 149         }
 150
 151         function addMetadataLinks( &$out ) {
 152                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 153                 global $wgRightsPage, $wgRightsUrl;
 154
 155                 if( $out->isArticleRelated() ) {
 156                         # note: buggy CC software only reads first "meta" link
 157                         if( $wgEnableCreativeCommonsRdf ) {
 158                                 $out->addMetadataLink( array(
 159                                         'title' => 'Creative Commons',
 160                                         'type' => 'application/rdf+xml',
 161                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 162                         }
 163                         if( $wgEnableDublinCoreRdf ) {
 164                                 $out->addMetadataLink( array(
 165                                         'title' => 'Dublin Core',
 166                                         'type' => 'application/rdf+xml',
 167                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 168                         }
 169                 }
 170                 $copyright = '';
 171                 if( $wgRightsPage ) {
 172                         $copy = Title::newFromText( $wgRightsPage );
 173                         if( $copy ) {
 174                                 $copyright = $copy->getLocalURL();
 175                         }
 176                 }
 177                 if( !$copyright && $wgRightsUrl ) {
 178                         $copyright = $wgRightsUrl;
 179                 }
 180                 if( $copyright ) {
 181                         $out->addLink( array(
 182                                 'rel' => 'copyright',
 183                                 'href' => $copyright ) );
 184                 }
 185         }
 186
 187         function outputPage( &$out ) {
 188                 global $wgDebugComments;
 189
 190                 wfProfileIn( 'Skin::outputPage' );
 191                 $this->initPage( $out );
 192                 $out->out( $out->headElement() );
 193
 194                 $out->out( "\n<body" );
 195                 $ops = $this->getBodyOptions();
 196                 foreach ( $ops as $name => $val ) {
 197                         $out->out( " $name='$val'" );
 198                 }
 199                 $out->out( ">\n" );
 200                 if ( $wgDebugComments ) {
 201                         $out->out( "<!-- Wiki debugging output:\n" .
 202                           $out->mDebugtext . "-->\n" );
 203                 }
 204                 $out->out( $this->beforeContent() );
 205
 206                 $out->out( $out->mBodytext . "\n" );
 207
 208                 $out->out( $this->afterContent() );
 209
 210                 wfProfileClose();
 211                 $out->out( $out->reportTime() );
 212
 213                 $out->out( "\n</body></html>" );
 214         }
 215
 216         function getHeadScripts() {
 217                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs;
 218                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 219                 if( $wgAllowUserJs && $wgUser->getID() != 0 ) { # logged in
 220                         $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 221                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 222                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 223                 }
 224                 return $r;
 225         }
 226
 227         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 228         function getUserStylesheet() {
 229                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 230                 $sheet = $this->getStylesheet();
 231                 $action = $wgRequest->getText('action');
 232                 $s = "@import \"$wgStylePath/$sheet\";\n";
 233                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 234                 if( $wgAllowUserCss && $wgUser->getID() != 0 ) { # logged in
 235                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 236                                 $s .= $wgRequest->getText('wpTextbox1');
 237                         } else {
 238                                 $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 239                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 240                         }
 241                 }
 242                 $s .= $this->doGetUserStyles();
 243                 return $s."\n";
 244         }
 245
 246         /**
 247          * placeholder, returns generated js in monobook
 248          */
 249         function getUserJs() { return; }
 250
 251         /**
 252          * Return html code that include User stylesheets
 253          */
 254         function getUserStyles() {
 255                 global $wgOut, $wgStylePath, $wgLang;
 256                 $s = "<style type='text/css'>\n";
 257                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 258                 $s .= $this->getUserStylesheet();
 259                 $s .= "/*]]>*/ /* */\n";
 260                 $s .= "</style>\n";
 261                 return $s;
 262         }
 263
 264         /**
 265          * Some styles that are set by user through the user settings interface.
 266          */
 267         function doGetUserStyles() {
 268                 global $wgUser, $wgContLang;
 269
 270                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 271                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 272
 273                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 274                         # Don't override browser settings
 275                 } else {
 276                         # CHECK MERGE @@@
 277                         # Force no underline
 278                         $s .= "a { text-decoration: none; }\n";
 279                 }
 280                 if ( 1 == $wgUser->getOption( 'highlightbroken' ) ) {
 281                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 282                 }
 283                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 284                         $s .= "#article { text-align: justify; }\n";
 285                 }
 286                 return $s;
 287         }
 288
 289         function getBodyOptions() {
 290                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 291
 292                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 293
 294                 if ( 0 != $wgTitle->getNamespace() ) {
 295                         $a = array( 'bgcolor' => '#ffffec' );
 296                 }
 297                 else $a = array( 'bgcolor' => '#FFFFFF' );
 298                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 299                   (!$wgTitle->isProtected() || $wgUser->isSysop()) ) {
 300                         $t = wfMsg( 'editthispage' );
 301                         $oid = $red = '';
 302                         if ( !empty($redirect) ) {
 303                                 $red = "&redirect={$redirect}";
 304                         }
 305                         if ( !empty($oldid) && ! isset( $diff ) ) {
 306                                 $oid = "&oldid={$oldid}";
 307                         }
 308                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 309                         $s = 'document.location = "' .$s .'";';
 310                         $a += array ('ondblclick' => $s);
 311
 312                 }
 313                 $a['onload'] = $wgOut->getOnloadHandler();
 314                 return $a;
 315         }
 316
 317         function getExternalLinkAttributes( $link, $text, $class='' ) {
 318                 global $wgUser, $wgOut, $wgContLang;
 319
 320                 $same = ($link == $text);
 321                 $link = urldecode( $link );
 322                 $link = $wgContLang->checkTitleEncoding( $link );
 323                 $link = str_replace( '_', ' ', $link );
 324                 $link = htmlspecialchars( $link );
 325
 326                 $r = ($class != '') ? " class='$class'" : " class='external'";
 327
 328                 if ( !$same && $wgUser->getOption( 'hover' ) ) {
 329                         $r .= " title=\"{$link}\"";
 330                 }
 331                 return $r;
 332         }
 333
 334         function getInternalLinkAttributes( $link, $text, $broken = false ) {
 335                 global $wgUser, $wgOut;
 336
 337                 $link = urldecode( $link );
 338                 $link = str_replace( '_', ' ', $link );
 339                 $link = htmlspecialchars( $link );
 340
 341                 if ( $broken == 'stub' ) {
 342                         $r = ' class="stub"';
 343                 } else if ( $broken == 'yes' ) {
 344                         $r = ' class="new"';
 345                 } else {
 346                         $r = '';
 347                 }
 348
 349                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 350                         $r .= " title=\"{$link}\"";
 351                 }
 352                 return $r;
 353         }
 354
 355         /**
 356          * @param bool $broken
 357          */
 358         function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
 359                 global $wgUser, $wgOut;
 360
 361                 if ( $broken == 'stub' ) {
 362                         $r = ' class="stub"';
 363                 } else if ( $broken == 'yes' ) {
 364                         $r = ' class="new"';
 365                 } else {
 366                         $r = '';
 367                 }
 368
 369                 if ( 1 == $wgUser->getOption( 'hover' ) ) {
 370                         $r .= ' title="' . $nt->getEscapedText() . '"';
 371                 }
 372                 return $r;
 373         }
 374
 375         /**
 376          * URL to the logo
 377          */
 378         function getLogo() {
 379                 global $wgLogo;
 380                 return $wgLogo;
 381         }
 382
 383         /**
 384          * This will be called immediately after the <body> tag.  Split into
 385          * two functions to make it easier to subclass.
 386          */
 387         function beforeContent() {
 388                 global $wgUser, $wgOut;
 389
 390                 return $this->doBeforeContent();
 391         }
 392
 393         function doBeforeContent() {
 394                 global $wgUser, $wgOut, $wgTitle, $wgContLang, $wgSiteNotice;
 395                 $fname = 'Skin::doBeforeContent';
 396                 wfProfileIn( $fname );
 397
 398                 $s = '';
 399                 $qb = $this->qbSetting();
 400
 401                 if( $langlinks = $this->otherLanguages() ) {
 402                         $rows = 2;
 403                         $borderhack = '';
 404                 } else {
 405                         $rows = 1;
 406                         $langlinks = false;
 407                         $borderhack = 'class="top"';
 408                 }
 409
 410                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 411                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 412
 413                 $shove = ($qb != 0);
 414                 $left = ($qb == 1 || $qb == 3);
 415                 if($wgContLang->isRTL()) $left = !$left;
 416
 417                 if ( !$shove ) {
 418                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 419                           $this->logoText() . '</td>';
 420                 } elseif( $left ) {
 421                         $s .= $this->getQuickbarCompensator( $rows );
 422                 }
 423                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 424                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 425
 426                 $s .= $this->topLinks() ;
 427                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 428
 429                 $r = $wgContLang->isRTL() ? "left" : "right";
 430                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 431                 $s .= $this->nameAndLogin();
 432                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 433
 434                 if ( $langlinks ) {
 435                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 436                 }
 437
 438                 if ( $shove && !$left ) { # Right
 439                         $s .= $this->getQuickbarCompensator( $rows );
 440                 }
 441                 $s .= "</tr>\n</table>\n</div>\n";
 442                 $s .= "\n<div id='article'>\n";
 443
 444                 if( $wgSiteNotice ) {
 445                         $s .= "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 446                 }
 447                 $s .= $this->pageTitle();
 448                 $s .= $this->pageSubtitle() ;
 449                 $s .= $this->getCategories();
 450                 wfProfileOut( $fname );
 451                 return $s;
 452         }
 453
 454
 455         function getCategoryLinks () {
 456                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 457                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 458
 459                 if( !$wgUseCategoryMagic ) return '' ;
 460                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 461
 462                 # Taken out so that they will be displayed in previews -- TS
 463                 #if( !$wgOut->isArticle() ) return '';
 464
 465                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 466                 $s = $this->makeKnownLink( 'Special:Categories',
 467                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 468                         . ': ' . $t;
 469
 470                 # optional 'dmoz-like' category browser. Will be shown under the list
 471                 # of categories an article belong to
 472                 if($wgUseCategoryBrowser) {
 473                         $s .= '<br/><hr/>';
 474
 475                         # get a big array of the parents tree
 476                         $parenttree = $wgTitle->getCategorieBrowser();
 477
 478                         # Render the array as a serie of links
 479                         function walkThrough ($tree) {
 480                                 global $wgUser;
 481                                 $sk = $wgUser->getSkin();
 482                                 $return = '';
 483                                 foreach($tree as $element => $parent) {
 484                                         if(empty($parent)) {
 485                                                 # element start a new list
 486                                                 $return .= '<br />';
 487                                         } else {
 488                                                 # grab the others elements
 489                                                 $return .= walkThrough($parent);
 490                                         }
 491                                         # add our current element to the list
 492                                         $eltitle = Title::NewFromText($element);
 493                                         # FIXME : should be makeLink() [AV]
 494                                         $return .= $sk->makeKnownLink($element, $eltitle->getText()).' &gt; ';
 495                                 }
 496                                 return $return;
 497                         }
 498
 499                         $s .= walkThrough($parenttree);
 500                 }
 501
 502                 return $s;
 503         }
 504
 505         function getCategories() {
 506                 $catlinks=$this->getCategoryLinks();
 507                 if(!empty($catlinks)) {
 508                         return "<p class='catlinks'>{$catlinks}</p>";
 509                 }
 510         }
 511
 512         function getQuickbarCompensator( $rows = 1 ) {
 513                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 514         }
 515
 516         # This gets called immediately before the </body> tag.
 517         #
 518         function afterContent() {
 519                 global $wgUser, $wgOut, $wgServer;
 520                 global $wgTitle, $wgLang;
 521
 522                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 523                 return $printfooter . $this->doAfterContent();
 524         }
 525
 526         function printSource() {
 527                 global $wgTitle;
 528                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 529                 return wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" );
 530         }
 531
 532         function printFooter() {
 533                 return "<p>" .  $this->printSource() .
 534                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 535         }
 536
 537         function doAfterContent() {
 538         # overloaded by derived classes
 539         }
 540
 541         function pageTitleLinks() {
 542                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgUseApproval, $wgRequest;
 543
 544                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 545                 $action = $wgRequest->getText( 'action' );
 546
 547                 $s = $this->printableLink();
 548                 $disclaimer = $this->disclaimerLink(); # may be empty
 549                 if( $disclaimer ) {
 550                         $s .= ' | ' . $disclaimer;
 551                 }
 552
 553                 if ( $wgOut->isArticleRelated() ) {
 554                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 555                                 $name = $wgTitle->getDBkey();
 556                                 $link = htmlspecialchars( Image::wfImageUrl( $name ) );
 557                                 $style = $this->getInternalLinkAttributes( $link, $name );
 558                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 559                         }
 560                         # This will show the "Approve" link if $wgUseApproval=true;
 561                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 562                         {
 563                                 $t = $wgTitle->getDBkey();
 564                                 $name = 'Approve this article' ;
 565                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 566                                 #htmlspecialchars( wfImageUrl( $name ) );
 567                                 $style = $this->getExternalLinkAttributes( $link, $name );
 568                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 569                         }
 570                 }
 571                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 572                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 573                                         wfMsg( 'currentrev' ) );
 574                 }
 575
 576                 if ( $wgUser->getNewtalk() ) {
 577                 # do not show "You have new messages" text when we are viewing our
 578                 # own talk page
 579
 580                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 581                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 582                                 $n =$wgUser->getName();
 583                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 584                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 585                                                 wfMsg('newmessageslink') );
 586                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 587                                 # disable caching
 588                                 $wgOut->setSquidMaxage(0);
 589                         }
 590                 }
 591
 592                 $undelete = $this->getUndeleteLink();
 593                 if( !empty( $undelete ) ) {
 594                         $s .= ' | '.$undelete;
 595                 }
 596                 return $s;
 597         }
 598
 599         function getUndeleteLink() {
 600                 global $wgUser, $wgTitle, $wgContLang, $action;
 601                 if( $wgUser->isSysop() &&
 602                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 603                         ($n = $wgTitle->isDeleted() ) ) {
 604                         return wfMsg( 'thisisdeleted',
 605                                 $this->makeKnownLink(
 606                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 607                                         wfMsg( 'restorelink', $n ) ) );
 608                 }
 609                 return '';
 610         }
 611
 612         function printableLink() {
 613                 global $wgOut, $wgFeedClasses, $wgRequest;
 614
 615                 $baseurl = $_SERVER['REQUEST_URI'];
 616                 if( strpos( '?', $baseurl ) == false ) {
 617                         $baseurl .= '?';
 618                 } else {
 619                         $baseurl .= '&';
 620                 }
 621                 $baseurl = htmlspecialchars( $baseurl );
 622                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 623
 624                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 625                 if( $wgOut->isSyndicated() ) {
 626                         foreach( $wgFeedClasses as $format => $class ) {
 627                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 628                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 629                         }
 630                 }
 631                 return $s;
 632         }
 633
 634         function pageTitle() {
 635                 global $wgOut, $wgTitle, $wgUser;
 636
 637                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 638                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript(0,$s);}
 639                 return $s;
 640         }
 641
 642         function pageSubtitle() {
 643                 global $wgOut;
 644
 645                 $sub = $wgOut->getSubtitle();
 646                 if ( '' == $sub ) {
 647                         global $wgExtraSubtitle;
 648                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 649                 }
 650                 $subpages = $this->subPageSubtitle();
 651                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 652                 $s = "<p class='subtitle'>{$sub}</p>\n";
 653                 return $s;
 654         }
 655
 656         function subPageSubtitle() {
 657                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 658                 $subpages = '';
 659                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 660                         $ptext=$wgTitle->getPrefixedText();
 661                         if(preg_match('/\//',$ptext)) {
 662                                 $links = explode('/',$ptext);
 663                                 $c = 0;
 664                                 $growinglink = '';
 665                                 foreach($links as $link) {
 666                                         $c++;
 667                                         if ($c<count($links)) {
 668                                                 $growinglink .= $link;
 669                                                 $getlink = $this->makeLink( $growinglink, $link );
 670                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 671                                                 if ($c>1) {
 672                                                         $subpages .= ' | ';
 673                                                 } else  {
 674                                                         $subpages .= '&lt; ';
 675                                                 }
 676                                                 $subpages .= $getlink;
 677                                                 $growinglink .= '/';
 678                                         }
 679                                 }
 680                         }
 681                 }
 682                 return $subpages;
 683         }
 684
 685         function nameAndLogin() {
 686                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 687
 688                 $li = $wgContLang->specialPage( 'Userlogin' );
 689                 $lo = $wgContLang->specialPage( 'Userlogout' );
 690
 691                 $s = '';
 692                 if ( 0 == $wgUser->getID() ) {
 693                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 694                                 $n = $wgIP;
 695
 696                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 697                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 698                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 699
 700                                 $s .= $n . ' ('.$tl.')';
 701                         } else {
 702                                 $s .= wfMsg('notloggedin');
 703                         }
 704
 705                         $rt = $wgTitle->getPrefixedURL();
 706                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 707                                 $q = '';
 708                         } else { $q = "returnto={$rt}"; }
 709
 710                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 711                           wfMsg( 'login' ), $q );
 712                 } else {
 713                         $n = $wgUser->getName();
 714                         $rt = $wgTitle->getPrefixedURL();
 715                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 716                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 717                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 718
 719                         $tl = " ({$tl})";
 720
 721                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 722                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 723                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 724                           "returnto={$rt}" ) . ' | ' .
 725                           $this->specialLink( 'preferences' );
 726                 }
 727                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 728                   wfMsg( 'help' ) );
 729
 730                 return $s;
 731         }
 732
 733         function getSearchLink() {
 734                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 735                 return $searchPage->getLocalURL();
 736         }
 737
 738         function escapeSearchLink() {
 739                 return htmlspecialchars( $this->getSearchLink() );
 740         }
 741
 742         function searchForm() {
 743                 global $wgRequest;
 744                 $search = $wgRequest->getText( 'search' );
 745
 746                 $s = '<form name="search" class="inline" method="post" action="'
 747                   . $this->escapeSearchLink() . "\">\n"
 748                   . '<input type="text" name="search" size="19" value="'
 749                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 750                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 751                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 752
 753                 return $s;
 754         }
 755
 756         function topLinks() {
 757                 global $wgOut;
 758                 $sep = " |\n";
 759
 760                 $s = $this->mainPageLink() . $sep
 761                   . $this->specialLink( 'recentchanges' );
 762
 763                 if ( $wgOut->isArticleRelated() ) {
 764                         $s .=  $sep . $this->editThisPage()
 765                           . $sep . $this->historyLink();
 766                 }
 767                 # Many people don't like this dropdown box
 768                 #$s .= $sep . $this->specialPagesList();
 769
 770                 return $s;
 771         }
 772
 773         function bottomLinks() {
 774                 global $wgOut, $wgUser, $wgTitle;
 775                 $sep = " |\n";
 776
 777                 $s = '';
 778                 if ( $wgOut->isArticleRelated() ) {
 779                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 780                         if ( 0 != $wgUser->getID() ) {
 781                                 $s .= $sep . $this->watchThisPage();
 782                         }
 783                         $s .= $sep . $this->talkLink()
 784                           . $sep . $this->historyLink()
 785                           . $sep . $this->whatLinksHere()
 786                           . $sep . $this->watchPageLinksLink();
 787
 788                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 789                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 790
 791                         {
 792                                 $id=User::idFromName($wgTitle->getText());
 793                                 $ip=User::isIP($wgTitle->getText());
 794
 795                                 if($id || $ip) { # both anons and non-anons have contri list
 796                                         $s .= $sep . $this->userContribsLink();
 797                                 }
 798                                 if ( 0 != $wgUser->getID() ) { # show only to signed in users
 799                                         if($id) {       # can only email non-anons
 800                                                 $s .= $sep . $this->emailUserLink();
 801                                         }
 802                                 }
 803                         }
 804                         if ( $wgUser->isSysop() && $wgTitle->getArticleId() ) {
 805                                 $s .= "\n<br />" . $this->deleteThisPage() .
 806                                 $sep . $this->protectThisPage() .
 807                                 $sep . $this->moveThisPage();
 808                         }
 809                         $s .= "<br />\n" . $this->otherLanguages();
 810                 }
 811                 return $s;
 812         }
 813
 814         function pageStats() {
 815                 global $wgOut, $wgLang, $wgArticle, $wgRequest;
 816                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax;
 817
 818                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 819                 if ( ! $wgOut->isArticle() ) { return ''; }
 820                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 821                 if ( 0 == $wgArticle->getID() ) { return ''; }
 822
 823                 $s = '';
 824                 if ( !$wgDisableCounters ) {
 825                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 826                         if ( $count ) {
 827                                 $s = wfMsg( 'viewcount', $count );
 828                         }
 829                 }
 830
 831                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 832                     require_once("Credits.php");
 833                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 834                 } else {
 835                     $s .= $this->lastModified();
 836                 }
 837
 838                 return $s . ' ' .  $this->getCopyright();
 839         }
 840
 841         function getCopyright() {
 842                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 843
 844
 845                 $oldid = $wgRequest->getVal( 'oldid' );
 846                 $diff = $wgRequest->getVal( 'diff' );
 847
 848                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 849                         $msg = 'history_copyright';
 850                 } else {
 851                         $msg = 'copyright';
 852                 }
 853
 854                 $out = '';
 855                 if( $wgRightsPage ) {
 856                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 857                 } elseif( $wgRightsUrl ) {
 858                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 859                 } else {
 860                         # Give up now
 861                         return $out;
 862                 }
 863                 $out .= wfMsgForContent( $msg, $link );
 864                 return $out;
 865         }
 866
 867         function getCopyrightIcon() {
 868                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon;
 869                 $out = '';
 870                 if( $wgRightsIcon ) {
 871                         $icon = htmlspecialchars( $wgRightsIcon );
 872                         if( $wgRightsUrl ) {
 873                                 $url = htmlspecialchars( $wgRightsUrl );
 874                                 $out .= '<a href="'.$url.'">';
 875                         }
 876                         $text = htmlspecialchars( $wgRightsText );
 877                         $out .= "<img src=\"$icon\" alt='$text' />";
 878                         if( $wgRightsUrl ) {
 879                                 $out .= '</a>';
 880                         }
 881                 }
 882                 return $out;
 883         }
 884
 885         function getPoweredBy() {
 886                 global $wgStylePath;
 887                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 888                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 889                 return $img;
 890         }
 891
 892         function lastModified() {
 893                 global $wgLang, $wgArticle;
 894
 895                 $timestamp = $wgArticle->getTimestamp();
 896                 if ( $timestamp ) {
 897                         $d = $wgLang->timeanddate( $wgArticle->getTimestamp(), true );
 898                         $s = ' ' . wfMsg( 'lastmodified', $d );
 899                 } else {
 900                         $s = '';
 901                 }
 902                 return $s;
 903         }
 904
 905         function logoText( $align = '' ) {
 906                 if ( '' != $align ) { $a = " align='{$align}'"; }
 907                 else { $a = ''; }
 908
 909                 $mp = wfMsg( 'mainpage' );
 910                 $titleObj = Title::newFromText( $mp );
 911                 if ( is_object( $titleObj ) ) {
 912                         $url = $titleObj->escapeLocalURL();
 913                 } else {
 914                         $url = '';
 915                 }
 916
 917                 $logourl = $this->getLogo();
 918                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 919                 return $s;
 920         }
 921
 922         function specialPagesList() {
 923                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 924                 require_once('SpecialPage.php');
 925                 $a = array();
 926                 $pages = SpecialPage::getPages();
 927
 928                 foreach ( $pages[''] as $name => $page ) {
 929                         $a[$name] = $page->getDescription();
 930                 }
 931                 if ( $wgUser->isSysop() )
 932                 {
 933                         foreach ( $pages['sysop'] as $name => $page ) {
 934                                 $a[$name] = $page->getDescription();
 935                         }
 936                 }
 937                 if ( $wgUser->isDeveloper() )
 938                 {
 939                         foreach ( $pages['developer'] as $name => $page ) {
 940                                 $a[$name] = $page->getDescription() ;
 941                         }
 942                 }
 943                 $go = wfMsg( 'go' );
 944                 $sp = wfMsg( 'specialpages' );
 945                 $spp = $wgContLang->specialPage( 'Specialpages' );
 946
 947                 $s = '<form id="specialpages" method="get" class="inline" ' .
 948                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 949                 $s .= "<select name=\"wpDropdown\">\n";
 950                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 951
 952                 foreach ( $a as $name => $desc ) {
 953                         $p = $wgContLang->specialPage( $name );
 954                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 955                 }
 956                 $s .= "</select>\n";
 957                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 958                 $s .= "</form>\n";
 959                 return $s;
 960         }
 961
 962         function mainPageLink() {
 963                 $mp = wfMsgForContent( 'mainpage' );
 964                 $mptxt = wfMsg( 'mainpage');
 965                 $s = $this->makeKnownLink( $mp, $mptxt );
 966                 return $s;
 967         }
 968
 969         function copyrightLink() {
 970                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 971                   wfMsg( 'copyrightpagename' ) );
 972                 return $s;
 973         }
 974
 975         function aboutLink() {
 976                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 977                   wfMsg( 'aboutsite' ) );
 978                 return $s;
 979         }
 980
 981
 982         function disclaimerLink() {
 983                 $disclaimers = wfMsg( 'disclaimers' );
 984                 if ($disclaimers == '-') {
 985                         return "";
 986                 } else {
 987                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 988                                                      $disclaimers );
 989                 }
 990         }
 991
 992         function editThisPage() {
 993                 global $wgOut, $wgTitle, $wgRequest;
 994
 995                 $oldid = $wgRequest->getVal( 'oldid' );
 996                 $diff = $wgRequest->getVal( 'diff' );
 997                 $redirect = $wgRequest->getVal( 'redirect' );
 998
 999                 if ( ! $wgOut->isArticleRelated() ) {
1000                         $s = wfMsg( 'protectedpage' );
1001                 } else {
1002                         $n = $wgTitle->getPrefixedText();
1003                         if ( $wgTitle->userCanEdit() ) {
1004                                 $t = wfMsg( 'editthispage' );
1005                         } else {
1006                                 #$t = wfMsg( "protectedpage" );
1007                                 $t = wfMsg( 'viewsource' );
1008                         }
1009                         $oid = $red = '';
1010
1011                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1012                         if ( $oldid && ! isset( $diff ) ) {
1013                                 $oid = '&oldid='.$oldid;
1014                         }
1015                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1016                 }
1017                 return $s;
1018         }
1019
1020         function deleteThisPage() {
1021                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1022
1023                 $diff = $wgRequest->getVal( 'diff' );
1024                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1025                         $n = $wgTitle->getPrefixedText();
1026                         $t = wfMsg( 'deletethispage' );
1027
1028                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1029                 } else {
1030                         $s = '';
1031                 }
1032                 return $s;
1033         }
1034
1035         function protectThisPage() {
1036                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1037
1038                 $diff = $wgRequest->getVal( 'diff' );
1039                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isSysop() ) {
1040                         $n = $wgTitle->getPrefixedText();
1041
1042                         if ( $wgTitle->isProtected() ) {
1043                                 $t = wfMsg( 'unprotectthispage' );
1044                                 $q = 'action=unprotect';
1045                         } else {
1046                                 $t = wfMsg( 'protectthispage' );
1047                                 $q = 'action=protect';
1048                         }
1049                         $s = $this->makeKnownLink( $n, $t, $q );
1050                 } else {
1051                         $s = '';
1052                 }
1053                 return $s;
1054         }
1055
1056         function watchThisPage() {
1057                 global $wgUser, $wgOut, $wgTitle;
1058
1059                 if ( $wgOut->isArticleRelated() ) {
1060                         $n = $wgTitle->getPrefixedText();
1061
1062                         if ( $wgTitle->userIsWatching() ) {
1063                                 $t = wfMsg( 'unwatchthispage' );
1064                                 $q = 'action=unwatch';
1065                         } else {
1066                                 $t = wfMsg( 'watchthispage' );
1067                                 $q = 'action=watch';
1068                         }
1069                         $s = $this->makeKnownLink( $n, $t, $q );
1070                 } else {
1071                         $s = wfMsg( 'notanarticle' );
1072                 }
1073                 return $s;
1074         }
1075
1076         function moveThisPage() {
1077                 global $wgTitle, $wgContLang;
1078
1079                 if ( $wgTitle->userCanEdit() ) {
1080                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1081                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1082                 } // no message if page is protected - would be redundant
1083                 return $s;
1084         }
1085
1086         function historyLink() {
1087                 global $wgTitle;
1088
1089                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1090                   wfMsg( 'history' ), 'action=history' );
1091                 return $s;
1092         }
1093
1094         function whatLinksHere() {
1095                 global $wgTitle, $wgContLang;
1096
1097                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1098                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1099                 return $s;
1100         }
1101
1102         function userContribsLink() {
1103                 global $wgTitle, $wgContLang;
1104
1105                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1106                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1107                 return $s;
1108         }
1109
1110         function emailUserLink() {
1111                 global $wgTitle, $wgContLang;
1112
1113                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1114                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1115                 return $s;
1116         }
1117
1118         function watchPageLinksLink() {
1119                 global $wgOut, $wgTitle, $wgContLang;
1120
1121                 if ( ! $wgOut->isArticleRelated() ) {
1122                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1123                 } else {
1124                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1125                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1126                           'target=' . $wgTitle->getPrefixedURL() );
1127                 }
1128                 return $s;
1129         }
1130
1131         function otherLanguages() {
1132                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1133
1134                 $a = $wgOut->getLanguageLinks();
1135                 if ( 0 == count( $a ) ) {
1136                         if ( !$wgUseNewInterlanguage ) return '';
1137                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1138                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1139                         $pn = 'Intl' ;
1140                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1141                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1142                                   wfMsg( 'intl' ) , $x );
1143                         }
1144
1145                 if ( !$wgUseNewInterlanguage ) {
1146                         $s = wfMsg( 'otherlanguages' ) . ': ';
1147                 } else {
1148                         global $wgContLanguageCode ;
1149                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1150                         $x .= '&xl='.$wgContLanguageCode ;
1151                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1152                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1153                         }
1154
1155                 $s = wfMsg( 'otherlanguages' ) . ': ';
1156                 $first = true;
1157                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1158                 foreach( $a as $l ) {
1159                         if ( ! $first ) { $s .= ' | '; }
1160                         $first = false;
1161
1162                         $nt = Title::newFromText( $l );
1163                         $url = $nt->getFullURL();
1164                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1165
1166                         if ( '' == $text ) { $text = $l; }
1167                         $style = $this->getExternalLinkAttributes( $l, $text );
1168                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1169                 }
1170                 if($wgContLang->isRTL()) $s .= '</span>';
1171                 return $s;
1172         }
1173
1174         function bugReportsLink() {
1175                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1176                   wfMsg( 'bugreports' ) );
1177                 return $s;
1178         }
1179
1180         function dateLink() {
1181                 global $wgLinkCache;
1182                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1183                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1184
1185                 $wgLinkCache->suspend();
1186                 $id = $t1->getArticleID();
1187                 $wgLinkCache->resume();
1188
1189                 if ( 0 == $id ) {
1190                         $s = $this->makeBrokenLink( $t1->getText() );
1191                 } else {
1192                         $s = $this->makeKnownLink( $t1->getText() );
1193                 }
1194                 $s .= ', ';
1195
1196                 $wgLinkCache->suspend();
1197                 $id = $t2->getArticleID();
1198                 $wgLinkCache->resume();
1199
1200                 if ( 0 == $id ) {
1201                         $s .= $this->makeBrokenLink( $t2->getText() );
1202                 } else {
1203                         $s .= $this->makeKnownLink( $t2->getText() );
1204                 }
1205                 return $s;
1206         }
1207
1208         function talkLink() {
1209                 global $wgContLang, $wgTitle, $wgLinkCache;
1210
1211                 $tns = $wgTitle->getNamespace();
1212                 if ( -1 == $tns ) { return ''; }
1213
1214                 $pn = $wgTitle->getText();
1215                 $tp = wfMsg( 'talkpage' );
1216                 if ( Namespace::isTalk( $tns ) ) {
1217                         $lns = Namespace::getSubject( $tns );
1218                         switch($tns) {
1219                                 case 1:
1220                                 $text = wfMsg('articlepage');
1221                                 break;
1222                                 case 3:
1223                                 $text = wfMsg('userpage');
1224                                 break;
1225                                 case 5:
1226                                 $text = wfMsg('wikipediapage');
1227                                 break;
1228                                 case 7:
1229                                 $text = wfMsg('imagepage');
1230                                 break;
1231                                 default:
1232                                 $text= wfMsg('articlepage');
1233                         }
1234                 } else {
1235
1236                         $lns = Namespace::getTalk( $tns );
1237                         $text=$tp;
1238                 }
1239                 $n = $wgContLang->getNsText( $lns );
1240                 if ( '' == $n ) { $link = $pn; }
1241                 else { $link = $n.':'.$pn; }
1242
1243                 $wgLinkCache->suspend();
1244                 $s = $this->makeLink( $link, $text );
1245                 $wgLinkCache->resume();
1246
1247                 return $s;
1248         }
1249
1250         function commentLink() {
1251                 global $wgContLang, $wgTitle, $wgLinkCache;
1252
1253                 $tns = $wgTitle->getNamespace();
1254                 if ( -1 == $tns ) { return ''; }
1255
1256                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1257
1258                 # assert Namespace::isTalk( $lns )
1259
1260                 $n = $wgContLang->getNsText( $lns );
1261                 $pn = $wgTitle->getText();
1262
1263                 $link = $n.':'.$pn;
1264
1265                 $wgLinkCache->suspend();
1266                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1267                 $wgLinkCache->resume();
1268
1269                 return $s;
1270         }
1271
1272         /**
1273          * After all the page content is transformed into HTML, it makes
1274          * a final pass through here for things like table backgrounds.
1275          * @todo probably deprecated [AV]
1276          */
1277         function transformContent( $text ) {
1278                 return $text;
1279         }
1280
1281         /**
1282          * Note: This function MUST call getArticleID() on the link,
1283          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1284          */
1285         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1286                 wfProfileIn( 'Skin::makeLink' );
1287                 $nt = Title::newFromText( $title );
1288                 if ($nt) {
1289                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1290                 } else {
1291                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1292                         $result = $text == "" ? $title : $text;
1293                 }
1294
1295                 wfProfileOut( 'Skin::makeLink' );
1296                 return $result;
1297         }
1298
1299         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1300                 $nt = Title::newFromText( $title );
1301                 if ($nt) {
1302                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1303                 } else {
1304                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1305                         return $text == '' ? $title : $text;
1306                 }
1307         }
1308
1309         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1310                 $nt = Title::newFromText( $title );
1311                 if ($nt) {
1312                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1313                 } else {
1314                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1315                         return $text == '' ? $title : $text;
1316                 }
1317         }
1318
1319         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1320                 $nt = Title::newFromText( $title );
1321                 if ($nt) {
1322                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1323                 } else {
1324                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1325                         return $text == '' ? $title : $text;
1326                 }
1327         }
1328
1329         /**
1330          * Pass a title object, not a title string
1331          */
1332         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1333                 global $wgOut, $wgUser, $wgLinkHolders;
1334                 $fname = 'Skin::makeLinkObj';
1335
1336                 # Fail gracefully
1337                 if ( ! isset($nt) ) {
1338                         # wfDebugDieBacktrace();
1339                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1340                 }
1341
1342                 if ( $nt->isExternal() ) {
1343                         $u = $nt->getFullURL();
1344                         $link = $nt->getPrefixedURL();
1345                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1346                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1347
1348                         $inside = '';
1349                         if ( '' != $trail ) {
1350                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1351                                         $inside = $m[1];
1352                                         $trail = $m[2];
1353                                 }
1354                         }
1355                         # Assume $this->postParseLinkColour(). This prevents
1356                         # interwiki links from being parsed as external links.
1357                         global $wgInterwikiLinkHolders;
1358                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1359                         $nr = array_push($wgInterwikiLinkHolders, $t);
1360                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1361                 } elseif ( 0 == $nt->getNamespace() && "" == $nt->getText() ) {
1362                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1363                 } elseif ( ( -1 == $nt->getNamespace() ) ||
1364                                 ( NS_IMAGE == $nt->getNamespace() ) ) {
1365                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1366                 } else {
1367                         if ( $this->postParseLinkColour() ) {
1368                                 $inside = '';
1369                                 if ( '' != $trail ) {
1370                                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1371                                                 $inside = $m[1];
1372                                                 $trail = $m[2];
1373                                         }
1374                                 }
1375
1376                                 # Allows wiki to bypass using linkcache, see OutputPage::parseLinkHolders()
1377                                 $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1378                                 $wgLinkHolders['dbkeys'][] = $nt->getDBkey();
1379                                 $wgLinkHolders['queries'][] = $query;
1380                                 $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1381                                 $wgLinkHolders['titles'][] = $nt;
1382
1383                                 $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1384                         } else {
1385                                 # Work out link colour immediately
1386                                 $aid = $nt->getArticleID() ;
1387                                 if ( 0 == $aid ) {
1388                                         $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1389                                 } else {
1390                                         $threshold = $wgUser->getOption('stubthreshold') ;
1391                                         if ( $threshold > 0 ) {
1392                                                 $dbr =& wfGetDB( DB_SLAVE );
1393                                                 $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1394                                                         'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1395                                                 if ( $s !== false ) {
1396                                                         $size = $s->x;
1397                                                         if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1398                                                                 $size = $threshold*2 ; # Really big
1399                                                         }
1400                                                         $dbr->freeResult( $res );
1401                                                 } else {
1402                                                         $size = $threshold*2 ; # Really big
1403                                                 }
1404                                         } else {
1405                                                 $size = 1 ;
1406                                         }
1407                                         if ( $size < $threshold ) {
1408                                                 $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1409                                         } else {
1410                                                 $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1411                                         }
1412                                 }
1413                         }
1414                 }
1415                 return $retVal;
1416         }
1417
1418         /**
1419          * Pass a title object, not a title string
1420          */
1421         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1422                 global $wgOut, $wgTitle, $wgInputEncoding;
1423
1424                 $fname = 'Skin::makeKnownLinkObj';
1425                 wfProfileIn( $fname );
1426
1427                 if ( !is_object( $nt ) ) {
1428                         return $text;
1429                 }
1430                 $link = $nt->getPrefixedURL();
1431 #               if ( '' != $section && substr($section,0,1) != "#" ) {
1432 #                       $section = ''
1433
1434                 if ( '' == $link ) {
1435                         $u = '';
1436                         if ( '' == $text ) {
1437                                 $text = htmlspecialchars( $nt->getFragment() );
1438                         }
1439                 } else {
1440                         $u = $nt->escapeLocalURL( $query );
1441                 }
1442                 if ( '' != $nt->getFragment() ) {
1443                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1444                         $replacearray = array(
1445                                 '%3A' => ':',
1446                                 '%' => '.'
1447                         );
1448                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1449                 }
1450                 if ( '' == $text ) {
1451                         $text = htmlspecialchars( $nt->getPrefixedText() );
1452                 }
1453                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1454
1455                 $inside = '';
1456                 if ( '' != $trail ) {
1457                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1458                                 $inside = $m[1];
1459                                 $trail = $m[2];
1460                         }
1461                 }
1462                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1463                 wfProfileOut( $fname );
1464                 return $r;
1465         }
1466
1467         /**
1468          * Pass a title object, not a title string
1469          */
1470         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1471                 global $wgOut, $wgUser;
1472
1473                 # Fail gracefully
1474                 if ( ! isset($nt) ) {
1475                         # wfDebugDieBacktrace();
1476                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1477                 }
1478
1479                 $fname = 'Skin::makeBrokenLinkObj';
1480                 wfProfileIn( $fname );
1481
1482                 if ( '' == $query ) {
1483                         $q = 'action=edit';
1484                 } else {
1485                         $q = 'action=edit&'.$query;
1486                 }
1487                 $u = $nt->escapeLocalURL( $q );
1488
1489                 if ( '' == $text ) {
1490                         $text = htmlspecialchars( $nt->getPrefixedText() );
1491                 }
1492                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1493
1494                 $inside = '';
1495                 if ( '' != $trail ) {
1496                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1497                                 $inside = $m[1];
1498                                 $trail = $m[2];
1499                         }
1500                 }
1501                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1502                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1503                 } else {
1504                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1505                 }
1506
1507                 wfProfileOut( $fname );
1508                 return $s;
1509         }
1510
1511         /**
1512          * Pass a title object, not a title string
1513          */
1514         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1515                 global $wgOut, $wgUser;
1516
1517                 $link = $nt->getPrefixedURL();
1518
1519                 $u = $nt->escapeLocalURL( $query );
1520
1521                 if ( '' == $text ) {
1522                         $text = htmlspecialchars( $nt->getPrefixedText() );
1523                 }
1524                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
1525
1526                 $inside = '';
1527                 if ( '' != $trail ) {
1528                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1529                                 $inside = $m[1];
1530                                 $trail = $m[2];
1531                         }
1532                 }
1533                 if ( $wgUser->getOption( 'highlightbroken' ) ) {
1534                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1535                 } else {
1536                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1537                 }
1538                 return $s;
1539         }
1540
1541         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1542                 $u = $nt->escapeLocalURL( $query );
1543                 if ( '' == $text ) {
1544                         $text = htmlspecialchars( $nt->getPrefixedText() );
1545                 }
1546                 $inside = '';
1547                 if ( '' != $trail ) {
1548                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1549                                 $inside = $m[1];
1550                                 $trail = $m[2];
1551                         }
1552                 }
1553                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1554         }
1555
1556         /* these are used extensively in SkinPHPTal, but also some other places */
1557         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1558                 $title = Title::makeTitle( NS_SPECIAL, $name );
1559                 $this->checkTitle($title, $name);
1560                 return $title->getLocalURL( $urlaction );
1561         }
1562         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1563                 $title = Title::newFromText( $name );
1564                 $title = $title->getTalkPage();
1565                 $this->checkTitle($title, $name);
1566                 return $title->getLocalURL( $urlaction );
1567         }
1568         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1569                 $title = Title::newFromText( $name );
1570                 $title= $title->getSubjectPage();
1571                 $this->checkTitle($title, $name);
1572                 return $title->getLocalURL( $urlaction );
1573         }
1574         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1575                 $title = Title::newFromText( wfMsgForContent($name) );
1576                 $this->checkTitle($title, $name);
1577                 return $title->getLocalURL( $urlaction );
1578         }
1579         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1580                 $title = Title::newFromText( $name );
1581                 $this->checkTitle($title, $name);
1582                 return $title->getLocalURL( $urlaction );
1583         }
1584
1585         # If url string starts with http, consider as external URL, else
1586         # internal
1587         /*static*/ function makeInternalOrExternalUrl( $name ) {
1588                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1589                         return $name;
1590                 } else {
1591                         return $this->makeUrl( $name );
1592                 }
1593         }
1594
1595         # this can be passed the NS number as defined in Language.php
1596         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1597                 $title = Title::makeTitleSafe( $namespace, $name );
1598                 $this->checkTitle($title, $name);
1599                 return $title->getLocalURL( $urlaction );
1600         }
1601
1602         /* these return an array with the 'href' and boolean 'exists' */
1603         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1604                 $title = Title::newFromText( $name );
1605                 $this->checkTitle($title, $name);
1606                 return array(
1607                         'href' => $title->getLocalURL( $urlaction ),
1608                         'exists' => $title->getArticleID() != 0?true:false
1609                 );
1610         }
1611         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1612                 $title = Title::newFromText( $name );
1613                 $title = $title->getTalkPage();
1614                 $this->checkTitle($title, $name);
1615                 return array(
1616                         'href' => $title->getLocalURL( $urlaction ),
1617                         'exists' => $title->getArticleID() != 0?true:false
1618                 );
1619         }
1620         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1621                 $title = Title::newFromText( $name );
1622                 $title= $title->getSubjectPage();
1623                 $this->checkTitle($title, $name);
1624                 return array(
1625                         'href' => $title->getLocalURL( $urlaction ),
1626                         'exists' => $title->getArticleID() != 0?true:false
1627                 );
1628         }
1629         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1630                 $title = Title::newFromText( wfMsgForContent($name) );
1631                 $this->checkTitle($title, $name);
1632                 return array(
1633                         'href' => $title->getLocalURL( $urlaction ),
1634                         'exists' => $title->getArticleID() != 0?true:false
1635                 );
1636         }
1637
1638         # make sure we have some title to operate on
1639         /*static*/ function checkTitle ( &$title, &$name ) {
1640                 if(!is_object($title)) {
1641                         $title = Title::newFromText( $name );
1642                         if(!is_object($title)) {
1643                                 $title = Title::newFromText( '--error: link target missing--' );
1644                         }
1645                 }
1646         }
1647
1648         function fnamePart( $url ) {
1649                 $basename = strrchr( $url, '/' );
1650                 if ( false === $basename ) {
1651                         $basename = $url;
1652                 } else {
1653                         $basename = substr( $basename, 1 );
1654                 }
1655                 return htmlspecialchars( $basename );
1656         }
1657
1658         function makeImage( $url, $alt = '' ) {
1659                 global $wgOut;
1660
1661                 if ( '' == $alt ) {
1662                         $alt = $this->fnamePart( $url );
1663                 }
1664                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1665                 return $s;
1666         }
1667
1668         function makeImageLink( $name, $url, $alt = '' ) {
1669                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1670                 return $this->makeImageLinkObj( $nt, $alt );
1671         }
1672
1673         function makeImageLinkObj( $nt, $alt = '' ) {
1674                 global $wgContLang, $wgUseImageResize;
1675                 $img   = Image::newFromTitle( $nt );
1676                 $url   = $img->getViewURL();
1677
1678                 $align = '';
1679                 $prefix = $postfix = '';
1680
1681                 if ( $wgUseImageResize ) {
1682                         # Check if the alt text is of the form "options|alt text"
1683                         # Options are:
1684                         #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1685                         #  * left               no resizing, just left align. label is used for alt= only
1686                         #  * right              same, but right aligned
1687                         #  * none               same, but not aligned
1688                         #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1689                         #  * center             center the image
1690                         #  * framed             Keep original image size, no magnify-button.
1691
1692                         $part = explode( '|', $alt);
1693
1694                         $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1695                         $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1696                         $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1697                         $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1698                         $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1699                         $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1700                         $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1701                         $alt = $part[count($part)-1];
1702
1703                         $height = $framed = $thumb = false;
1704                         $manual_thumb = "" ;
1705
1706                         foreach( $part as $key => $val ) {
1707                                 $val_parts = explode ( "=" , $val , 2 ) ;
1708                                 $left_part = array_shift ( $val_parts ) ;
1709                                 if ( ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1710                                         $thumb=true;
1711                                 } elseif ( count ( $val_parts ) == 1 && ! is_null( $mwThumb->matchVariableStartToEnd($left_part) ) ) {
1712                                         # use manually specified thumbnail
1713                                         $thumb=true;
1714                                         $manual_thumb = array_shift ( $val_parts ) ;
1715                                 } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1716                                         # remember to set an alignment, don't render immediately
1717                                         $align = 'right';
1718                                 } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1719                                         # remember to set an alignment, don't render immediately
1720                                         $align = 'left';
1721                                 } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1722                                         # remember to set an alignment, don't render immediately
1723                                         $align = 'center';
1724                                 } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1725                                         # remember to set an alignment, don't render immediately
1726                                         $align = 'none';
1727                                 } elseif ( ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1728                                         # $match is the image width in pixels
1729                                         if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1730                                                 $width = intval( $m[1] );
1731                                                 $height = intval( $m[2] );
1732                                         } else {
1733                                                 $width = intval($match);
1734                                         }
1735                                 } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1736                                         $framed=true;
1737                                 }
1738                         }
1739                         if ( 'center' == $align )
1740                         {
1741                                 $prefix  = '<span style="text-align: center">';
1742                                 $postfix = '</span>';
1743                                 $align   = 'none';
1744                         }
1745
1746                         if ( $thumb || $framed ) {
1747
1748                                 # Create a thumbnail. Alignment depends on language
1749                                 # writing direction, # right aligned for left-to-right-
1750                                 # languages ("Western languages"), left-aligned
1751                                 # for right-to-left-languages ("Semitic languages")
1752                                 #
1753                                 # If  thumbnail width has not been provided, it is set
1754                                 # here to 180 pixels
1755                                 if ( $align == '' ) {
1756                                         $align = $wgContLang->isRTL() ? 'left' : 'right';
1757                                 }
1758                                 if ( ! isset($width) ) {
1759                                         $width = 180;
1760                                 }
1761                                 return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
1762
1763                         } elseif ( isset($width) ) {
1764
1765                                 # Create a resized image, without the additional thumbnail
1766                                 # features
1767
1768                                 if (    ( ! $height === false )
1769                                      && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1770                                         print "height=$height<br>\nimg->getHeight() = ".$img->getHeight()."<br>\n";
1771                                         print 'rescaling by factor '. $height / $img->getHeight() . "<br>\n";
1772                                         $width = $img->getWidth() * $height / $img->getHeight();
1773                                 }
1774                                 if ( '' == $manual_thumb ) $url = $img->createThumb( $width );
1775                         }
1776                 } # endif $wgUseImageResize
1777
1778                 if ( empty( $alt ) ) {
1779                         $alt = preg_replace( '/\.(.+?)^/', '', $img->getName() );
1780                 }
1781                 $alt = preg_replace( '/<[^>]*>/', '', $alt );
1782                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1783                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1784
1785                 $u = $nt->escapeLocalURL();
1786                 if ( $url == '' )
1787                 {
1788                         $s = wfMsg( 'missingimage', $img->getName() );
1789                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1790                 } else {
1791                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1792                                  '<img src="'.$url.'" alt="'.$alt.'" /></a>';
1793                 }
1794                 if ( '' != $align ) {
1795                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1796                 }
1797                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1798         }
1799
1800         /**
1801          * Make HTML for a thumbnail including image, border and caption
1802          * $img is an Image object
1803          */
1804         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
1805                 global $wgStylePath, $wgContLang;
1806                 # $image = Title::makeTitleSafe( NS_IMAGE, $name );
1807                 $url  = $img->getViewURL();
1808
1809                 #$label = htmlspecialchars( $label );
1810                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1811                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1812                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1813
1814                 $width = $height = 0;
1815                 if ( $img->exists() )
1816                 {
1817                         $width  = $img->getWidth();
1818                         $height = $img->getHeight();
1819                 }
1820                 if ( 0 == $width || 0 == $height )
1821                 {
1822                         $width = $height = 200;
1823                 }
1824                 if ( $boxwidth == 0 )
1825                 {
1826                         $boxwidth = 200;
1827                 }
1828                 if ( $framed )
1829                 {
1830                         // Use image dimensions, don't scale
1831                         $boxwidth  = $width;
1832                         $oboxwidth = $boxwidth + 2;
1833                         $boxheight = $height;
1834                         $thumbUrl  = $url;
1835                 } else {
1836                         $h  = intval( $height/($width/$boxwidth) );
1837                         $oboxwidth = $boxwidth + 2;
1838                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1839                         {
1840                                 $boxwidth *= $boxheight/$h;
1841                         } else {
1842                                 $boxheight = $h;
1843                         }
1844                         if ( '' == $manual_thumb ) $thumbUrl = $img->createThumb( $boxwidth );
1845                 }
1846
1847                 if ( $manual_thumb != '' ) # Use manually specified thumbnail
1848                 {
1849                         $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
1850                         $manual_img = Image::newFromTitle( $manual_title );
1851                         $thumbUrl = $manual_img->getViewURL();
1852                         if ( $manual_img->exists() )
1853                         {
1854                                 $width  = $manual_img->getWidth();
1855                                 $height = $manual_img->getHeight();
1856                                 $boxwidth = $width ;
1857                                 $boxheight = $height ;
1858                                 $oboxwidth = $boxwidth + 2 ;
1859                         }
1860                 }
1861
1862                 $u = $img->getEscapeLocalURL();
1863
1864                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1865                 $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
1866                 $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
1867
1868                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1869                 if ( $thumbUrl == '' ) {
1870                         $s .= wfMsg( 'missingimage', $img->getName() );
1871                         $zoomicon = '';
1872                 } else {
1873                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1874                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1875                                 'width="'.$boxwidth.'" height="'.$boxheight.'" /></a>';
1876                         if ( $framed ) {
1877                                 $zoomicon="";
1878                         } else {
1879                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1880                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1881                                         '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
1882                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1883                         }
1884                 }
1885                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1886                 return str_replace("\n", ' ', $s);
1887         }
1888
1889         function makeMediaLink( $name, $url, $alt = '' ) {
1890                 $nt = Title::makeTitleSafe( Namespace::getMedia(), $name );
1891                 return $this->makeMediaLinkObj( $nt, $alt );
1892         }
1893
1894         function makeMediaLinkObj( $nt, $alt = '' ) {
1895                 if ( ! isset( $nt ) )
1896                 {
1897                         ### HOTFIX. Instead of breaking, return empty string.
1898                         $s = $alt;
1899                 } else {
1900                         $name = $nt->getDBKey();
1901                         $url = Image::wfImageUrl( $name );
1902                         if ( empty( $alt ) ) {
1903                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1904                         }
1905
1906                         $u = htmlspecialchars( $url );
1907                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1908                 }
1909                 return $s;
1910         }
1911
1912         function specialLink( $name, $key = '' ) {
1913                 global $wgContLang;
1914
1915                 if ( '' == $key ) { $key = strtolower( $name ); }
1916                 $pn = $wgContLang->ucfirst( $name );
1917                 return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1918                   wfMsg( $key ) );
1919         }
1920
1921         function makeExternalLink( $url, $text, $escape = true ) {
1922                 $style = $this->getExternalLinkAttributes( $url, $text );
1923                 $url = htmlspecialchars( $url );
1924                 if( $escape ) {
1925                         $text = htmlspecialchars( $text );
1926                 }
1927                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
1928         }
1929
1930         # Called by history lists and recent changes
1931         #
1932
1933         # Returns text for the start of the tabular part of RC
1934         function beginRecentChangesList() {
1935                 $this->rc_cache = array() ;
1936                 $this->rcMoveIndex = 0;
1937                 $this->rcCacheIndex = 0 ;
1938                 $this->lastdate = '';
1939                 $this->rclistOpen = false;
1940                 return '';
1941         }
1942
1943         function beginImageHistoryList() {
1944                 $s = "\n<h2>" . wfMsg( 'imghistory' ) . "</h2>\n" .
1945                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
1946                 return $s;
1947         }
1948
1949         /**
1950          * Returns text for the end of RC
1951          * If enhanced RC is in use, returns pretty much all the text
1952          */
1953         function endRecentChangesList() {
1954                 $s = $this->recentChangesBlock() ;
1955                 if( $this->rclistOpen ) {
1956                         $s .= "</ul>\n";
1957                 }
1958                 return $s;
1959         }
1960
1961         /**
1962          * Enhanced RC ungrouped line
1963          */
1964         function recentChangesBlockLine ( $rcObj ) {
1965                 global $wgStylePath, $wgContLang ;
1966
1967                 # Get rc_xxxx variables
1968                 extract( $rcObj->mAttribs ) ;
1969                 $curIdEq = 'curid='.$rc_cur_id;
1970
1971                 # Spacer image
1972                 $r = '' ;
1973
1974                 $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" border="0" />' ;
1975                 $r .= '<tt>' ;
1976
1977                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
1978                         $r .= '&nbsp;&nbsp;';
1979                 } else {
1980                         # M & N (minor & new)
1981                         $M = wfMsg( 'minoreditletter' );
1982                         $N = wfMsg( 'newpageletter' );
1983
1984                         if ( $rc_type == RC_NEW ) {
1985                                 $r .= $N ;
1986                         } else {
1987                                 $r .= '&nbsp;' ;
1988                         }
1989                         if ( $rc_minor ) {
1990                                 $r .= $M ;
1991                         } else {
1992                                 $r .= '&nbsp;' ;
1993                         }
1994                 }
1995
1996                 # Timestamp
1997                 $r .= ' '.$rcObj->timestamp.' ' ;
1998                 $r .= '</tt>' ;
1999
2000                 # Article link
2001                 $link = $rcObj->link ;
2002                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
2003                 $r .= $link ;
2004
2005                 # Diff
2006                 $r .= ' (' ;
2007                 $r .= $rcObj->difflink ;
2008                 $r .= '; ' ;
2009
2010                 # Hist
2011                 $r .= $this->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2012
2013                 # User/talk
2014                 $r .= ') . . '.$rcObj->userlink ;
2015                 $r .= $rcObj->usertalklink ;
2016
2017                 # Comment
2018                  if ( $rc_comment != '' && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2019                         $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2020                         $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' );
2021                 }
2022
2023                 $r .= "<br />\n" ;
2024                 return $r ;
2025         }
2026
2027         /**
2028          * Enhanced RC group
2029          */
2030         function recentChangesBlockGroup ( $block ) {
2031                 global $wgStylePath, $wgContLang ;
2032
2033                 $r = '' ;
2034                 $M = wfMsg( 'minoreditletter' );
2035                 $N = wfMsg( 'newpageletter' );
2036
2037                 # Collate list of users
2038                 $isnew = false ;
2039                 $userlinks = array () ;
2040                 foreach ( $block AS $rcObj ) {
2041                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
2042                         if ( $rcObj->mAttribs['rc_new'] ) $isnew = true ;
2043                         $u = $rcObj->userlink ;
2044                         if ( !isset ( $userlinks[$u] ) ) $userlinks[$u] = 0 ;
2045                         $userlinks[$u]++ ;
2046                 }
2047
2048                 # Sort the list and convert to text
2049                 krsort ( $userlinks ) ;
2050                 asort ( $userlinks ) ;
2051                 $users = array () ;
2052                 foreach ( $userlinks as $userlink => $count) {
2053                         $text = $userlink ;
2054                         if ( $count > 1 ) $text .= " ({$count}&times;)" ;
2055                         array_push ( $users , $text ) ;
2056                 }
2057                 $users = ' <font size="-1">['.implode('; ',$users).']</font>' ;
2058
2059                 # Arrow
2060                 $rci = 'RCI'.$this->rcCacheIndex ;
2061                 $rcl = 'RCL'.$this->rcCacheIndex ;
2062                 $rcm = 'RCM'.$this->rcCacheIndex ;
2063                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
2064                 $arrowdir = $wgContLang->isRTL() ? 'l' : 'r';
2065                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_'.$arrowdir.'.png" width="12" height="12" /></a></span>' ;
2066                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_d.png" width="12" height="12" /></a></span>' ;
2067                 $r .= $tl ;
2068
2069                 # Main line
2070                 # M/N
2071                 $r .= '<tt>' ;
2072                 if ( $isnew ) $r .= $N ;
2073                 else $r .= '&nbsp;' ;
2074                 $r .= '&nbsp;' ; # Minor
2075
2076                 # Timestamp
2077                 $r .= ' '.$block[0]->timestamp.' ' ;
2078                 $r .= '</tt>' ;
2079
2080                 # Article link
2081                 $link = $block[0]->link ;
2082                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
2083                 $r .= $link ;
2084
2085                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
2086                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
2087                         # Changes
2088                         $r .= ' ('.count($block).' ' ;
2089                         if ( $isnew ) $r .= wfMsg('changes');
2090                         else $r .= $this->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
2091                                 $curIdEq.'&diff=0&oldid='.$oldid ) ;
2092                         $r .= '; ' ;
2093
2094                         # History
2095                         $r .= $this->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
2096                         $r .= ')' ;
2097                 }
2098
2099                 $r .= $users ;
2100                 $r .= "<br />\n" ;
2101
2102                 # Sub-entries
2103                 $r .= '<div id="'.$rci.'" style="display:none">' ;
2104                 foreach ( $block AS $rcObj ) {
2105                         # Get rc_xxxx variables
2106                         extract( $rcObj->mAttribs );
2107
2108                         $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" />';
2109                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
2110                         if ( $rc_new ) $r .= $N ;
2111                         else $r .= '&nbsp;' ;
2112                         if ( $rc_minor ) $r .= $M ;
2113                         else $r .= '&nbsp;' ;
2114                         $r .= '</tt>' ;
2115
2116                         $o = '' ;
2117                         if ( $rc_last_oldid != 0 ) {
2118                                 $o = 'oldid='.$rc_last_oldid ;
2119                         }
2120                         if ( $rc_type == RC_LOG ) {
2121                                 $link = $rcObj->timestamp ;
2122                         } else {
2123                                 $link = $this->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , "{$curIdEq}&$o" ) ;
2124                         }
2125                         $link = '<tt>'.$link.'</tt>' ;
2126
2127                         $r .= $link ;
2128                         $r .= ' (' ;
2129                         $r .= $rcObj->curlink ;
2130                         $r .= '; ' ;
2131                         $r .= $rcObj->lastlink ;
2132                         $r .= ') . . '.$rcObj->userlink ;
2133                         $r .= $rcObj->usertalklink ;
2134                         if ( $rc_comment != '' ) {
2135                                 $rc_comment=$this->formatComment($rc_comment, $rcObj->getTitle());
2136                                 $r .= $wgContLang->emphasize( ' ('.$rc_comment.')' ) ;
2137                         }
2138                         $r .= "<br />\n" ;
2139                 }
2140                 $r .= "</div>\n" ;
2141
2142                 $this->rcCacheIndex++ ;
2143                 return $r ;
2144         }
2145
2146         /**
2147          * If enhanced RC is in use, this function takes the previously cached
2148          * RC lines, arranges them, and outputs the HTML
2149          */
2150         function recentChangesBlock () {
2151                 global $wgStylePath ;
2152                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
2153                 $blockOut = '';
2154                 foreach ( $this->rc_cache AS $secureName => $block ) {
2155                         if ( count ( $block ) < 2 ) {
2156                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
2157                         } else {
2158                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
2159                         }
2160                 }
2161
2162                 return '<div>'.$blockOut.'</div>' ;
2163         }
2164
2165         /**
2166          * Called in a loop over all displayed RC entries
2167          * Either returns the line, or caches it for later use
2168          */
2169         function recentChangesLine( &$rc, $watched = false ) {
2170                 global $wgUser ;
2171                 $usenew = $wgUser->getOption( 'usenewrc' );
2172                 if ( $usenew )
2173                         $line = $this->recentChangesLineNew ( $rc, $watched ) ;
2174                 else
2175                         $line = $this->recentChangesLineOld ( $rc, $watched ) ;
2176                 return $line ;
2177         }
2178
2179         function recentChangesLineOld( &$rc, $watched = false ) {
2180                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds, $wgUseRCPatrol, $wgOnlySysopsCanPatrol;
2181
2182                 # Extract DB fields into local scope
2183                 extract( $rc->mAttribs );
2184                 $curIdEq = 'curid=' . $rc_cur_id;
2185
2186                 # Make date header if necessary
2187                 $date = $wgContLang->date( $rc_timestamp, true);
2188                 $uidate = $wgLang->date( $rc_timestamp, true);
2189                 $s = '';
2190                 if ( $date != $this->lastdate ) {
2191                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
2192                         $s .= "<h4>{$uidate}</h4>\n<ul class='special'>";
2193                         $this->lastdate = $date;
2194                         $this->rclistOpen = true;
2195                 }
2196
2197                 # If this edit has not yet been patrolled, make it stick out
2198                 $s .= ( ! $wgUseRCPatrol || $rc_patrolled ) ? '<li> ' : '<li class="not_patrolled"> ';
2199
2200                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2201                         # Diff
2202                         $s .= '(' . wfMsg( 'diff' ) . ') (';
2203                         # Hist
2204                         $s .= $this->makeKnownLinkObj( $rc->getMovedToTitle(), wfMsg( 'hist' ), 'action=history' ) .
2205                                 ') . . ';
2206
2207                         # "[[x]] moved to [[y]]"
2208                         $msg = ( $rc_type == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
2209                         $s .= wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2210                                 $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2211                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2212                         # Log updates, etc
2213                         $logtype = $matches[1];
2214                         $logname = LogPage::logName( $logtype );
2215                         $s .= '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2216                 } else {
2217                         # Diff link
2218                         if ( $rc_type == RC_NEW || $rc_type == RC_LOG ) {
2219                                 $diffLink = wfMsg( 'diff' );
2220                         } else {
2221                                 if ( $wgUseRCPatrol && $rc_patrolled == 0 && $wgUser->getID() != 0 &&
2222                                      ( $wgUser->isSysop() || !$wgOnlySysopsCanPatrol ) )
2223                                         $rcidparam = "&rcid={$rc_id}";
2224                                 else
2225                                         $rcidparam = "";
2226                                 $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff' ),
2227                                   "{$curIdEq}&diff={$rc_this_oldid}&oldid={$rc_last_oldid}{$rcidparam}",
2228                                   '', '', ' tabindex="'.$rc->counter.'"');
2229                         }
2230                         $s .= '('.$diffLink.') (';
2231
2232                         # History link
2233                         $s .= $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
2234                         $s .= ') . . ';
2235
2236                         # M and N (minor and new)
2237                         if ( $rc_minor ) { $s .= ' <span class="minor">'.wfMsg( "minoreditletter" ).'</span>'; }
2238                         if ( $rc_type == RC_NEW ) { $s .= '<span class="newpage">'.wfMsg( "newpageletter" ).'</span>'; }
2239
2240                         # Article link
2241                         # If it's a new article, there is no diff link, but if it hasn't been
2242                         # patrolled yet, we need to give users a way to do so
2243                         if ( $wgUseRCPatrol && $rc_type == RC_NEW && $rc_patrolled == 0 &&
2244                              $wgUser->getID() != 0 && ( $wgUser->isSysop() || !$wgOnlySysopsCanPatrol ) )
2245                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
2246                         else
2247                                 $articleLink = $this->makeKnownLinkObj( $rc->getTitle(), '' );
2248
2249                         if ( $watched ) {
2250                                 $articleLink = '<strong>'.$articleLink.'</strong>';
2251                         }
2252                         $s .= ' '.$articleLink;
2253
2254                 }
2255
2256                 # Timestamp
2257                 $s .= '; ' . $wgLang->time( $rc_timestamp, true, $wgRCSeconds ) . ' . . ';
2258
2259                 # User link (or contributions for unregistered users)
2260                 if ( 0 == $rc_user ) {
2261                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2262                         $rc_user_text, 'target=' . $rc_user_text );
2263                 } else {
2264                         $userLink = $this->makeLink( $wgContLang->getNsText( NS_USER ) . ':'.$rc_user_text, $rc_user_text );
2265                 }
2266                 $s .= $userLink;
2267
2268                 # User talk link
2269                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2270                 global $wgDisableAnonTalk;
2271                 if( 0 == $rc_user && $wgDisableAnonTalk ) {
2272                         $userTalkLink = '';
2273                 } else {
2274                         $utns=$wgContLang->getNsText(NS_USER_TALK);
2275                         $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2276                 }
2277                 # Block link
2278                 $blockLink='';
2279                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2280                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2281                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2282
2283                 }
2284                 if($blockLink) {
2285                         if($userTalkLink) $userTalkLink .= ' | ';
2286                         $userTalkLink .= $blockLink;
2287                 }
2288                 if($userTalkLink) $s.=' ('.$userTalkLink.')';
2289
2290                 # Add comment
2291                 if ( '' != $rc_comment && '*' != $rc_comment && $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
2292                         $rc_comment=$this->formatComment($rc_comment,$rc->getTitle());
2293                         $s .= $wgContLang->emphasize(' (' . $rc_comment . ')');
2294                 }
2295                 $s .= "</li>\n";
2296
2297                 return $s;
2298         }
2299
2300         function recentChangesLineNew( &$baseRC, $watched = false ) {
2301                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgRCSeconds;
2302
2303                 # Create a specialised object
2304                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
2305
2306                 # Extract fields from DB into the function scope (rc_xxxx variables)
2307                 extract( $rc->mAttribs );
2308                 $curIdEq = 'curid=' . $rc_cur_id;
2309
2310                 # If it's a new day, add the headline and flush the cache
2311                 $date = $wgContLang->date( $rc_timestamp, true);
2312                 $uidate = $wgLang->date( $rc_timestamp, true);
2313                 $ret = '';
2314                 if ( $date != $this->lastdate ) {
2315                         # Process current cache
2316                         $ret = $this->recentChangesBlock () ;
2317                         $this->rc_cache = array() ;
2318                         $ret .= "<h4>{$uidate}</h4>\n";
2319                         $this->lastdate = $date;
2320                 }
2321
2322                 # Make article link
2323                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2324                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
2325                         $clink = wfMsg( $msg, $this->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
2326                           $this->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
2327                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
2328                         # Log updates, etc
2329                         $logtype = $matches[1];
2330                         $logname = LogPage::logName( $logtype );
2331                         $clink = '(' . $this->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
2332                 } else {
2333                         $clink = $this->makeKnownLinkObj( $rc->getTitle(), '' ) ;
2334                 }
2335
2336                 $time = $wgContLang->time( $rc_timestamp, true, $wgRCSeconds );
2337                 $rc->watched = $watched ;
2338                 $rc->link = $clink ;
2339                 $rc->timestamp = $time;
2340
2341                 # Make "cur" and "diff" links
2342                 if ( ( $rc_type == RC_NEW && $rc_this_oldid == 0 ) || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2343                         $curLink = wfMsg( 'cur' );
2344                         $diffLink = wfMsg( 'diff' );
2345                 } else {
2346                         $query = $curIdEq.'&diff=0&oldid='.$rc_this_oldid;
2347                         $aprops = ' tabindex="'.$baseRC->counter.'"';
2348                         $curLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'cur' ), $query, '' ,'' , $aprops );
2349                         $diffLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'diff'), $query, '' ,'' , $aprops );
2350                 }
2351
2352                 # Make "last" link
2353                 $titleObj = $rc->getTitle();
2354                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2355                         $lastLink = wfMsg( 'last' );
2356                 } else {
2357                         $lastLink = $this->makeKnownLinkObj( $rc->getTitle(), wfMsg( 'last' ),
2358                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid );
2359                 }
2360
2361                 # Make user link (or user contributions for unregistered users)
2362                 if ( $rc_user == 0 ) {
2363                         $userLink = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
2364                         $rc_user_text, 'target=' . $rc_user_text );
2365                 } else {
2366                         $userLink = $this->makeLink( $wgContLang->getNsText(
2367                           Namespace::getUser() ) . ':'.$rc_user_text, $rc_user_text );
2368                 }
2369
2370                 $rc->userlink = $userLink;
2371                 $rc->lastlink = $lastLink;
2372                 $rc->curlink  = $curLink;
2373                 $rc->difflink = $diffLink;
2374
2375                 # Make user talk link
2376                 $utns=$wgContLang->getNsText(NS_USER_TALK);
2377                 $talkname=$wgContLang->getNsText(NS_TALK); # use the shorter name
2378                 $userTalkLink= $this->makeLink($utns . ':'.$rc_user_text, $talkname );
2379
2380                 global $wgDisableAnonTalk;
2381                 if ( ( 0 == $rc_user ) && $wgUser->isSysop() ) {
2382                         $blockLink = $this->makeKnownLink( $wgContLang->specialPage(
2383                           'Blockip' ), wfMsg( 'blocklink' ), 'ip='.$rc_user_text );
2384                         if( $wgDisableAnonTalk )
2385                                 $rc->usertalklink = ' ('.$blockLink.')';
2386                         else
2387                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
2388                 } else {
2389                         if( $wgDisableAnonTalk && ($rc_user == 0) )
2390                                 $rc->usertalklink = '';
2391                         else
2392                                 $rc->usertalklink = ' ('.$userTalkLink.')';
2393                 }
2394
2395                 # Put accumulated information into the cache, for later display
2396                 # Page moves go on their own line
2397                 $title = $rc->getTitle();
2398                 $secureName = $title->getPrefixedDBkey();
2399                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
2400                         # Use an @ character to prevent collision with page names
2401                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
2402                 } else {
2403                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
2404                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
2405                 }
2406                 return $ret;
2407         }
2408
2409         function endImageHistoryList() {
2410                 $s = "</ul>\n";
2411                 return $s;
2412         }
2413
2414         /**
2415          * This function is called by all recent changes variants, by the page history,
2416          * and by the user contributions list. It is responsible for formatting edit
2417          * comments. It escapes any HTML in the comment, but adds some CSS to format
2418          * auto-generated comments (from section editing) and formats [[wikilinks]].
2419          *
2420          * The &$title parameter must be a title OBJECT. It is used to generate a
2421          * direct link to the section in the autocomment.
2422          * @author Erik Moeller <moeller@scireview.de>
2423          *
2424          * Note: there's not always a title to pass to this function.
2425          * Since you can't set a default parameter for a reference, I've turned it
2426          * temporarily to a value pass. Should be adjusted further. --brion
2427          */
2428         function formatComment($comment, $title = NULL) {
2429                 global $wgContLang;
2430                 $comment = htmlspecialchars( $comment );
2431
2432                 # The pattern for autogen comments is / * foo * /, which makes for
2433                 # some nasty regex.
2434                 # We look for all comments, match any text before and after the comment,
2435                 # add a separator where needed and format the comment itself with CSS
2436                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
2437                         $pre=$match[1];
2438                         $auto=$match[2];
2439                         $post=$match[3];
2440                         $link='';
2441                         if($title) {
2442                                 $section=$auto;
2443
2444                                 # This is hackish but should work in most cases.
2445                                 $section=str_replace('[[','',$section);
2446                                 $section=str_replace(']]','',$section);
2447                                 $title->mFragment=$section;
2448                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
2449                         }
2450                         $sep='-';
2451                         $auto=$link.$auto;
2452                         if($pre) { $auto = $sep.' '.$auto; }
2453                         if($post) { $auto .= ' '.$sep; }
2454                         $auto='<span class="autocomment">'.$auto.'</span>';
2455                         $comment=$pre.$auto.$post;
2456                 }
2457
2458                 # format regular and media links - all other wiki formatting
2459                 # is ignored
2460                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
2461                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
2462                         # Handle link renaming [[foo|text]] will show link as "text"
2463                         if( "" != $match[3] ) {
2464                                 $text = $match[3];
2465                         } else {
2466                                 $text = $match[1];
2467                         }
2468                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
2469                                 # Media link; trail not supported.
2470                                 $linkRegexp = '/\[\[(.*?)\]\]/';
2471                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
2472                         } else {
2473                                 # Other kind of link
2474                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
2475                                         $trail = $submatch[1];
2476                                 } else {
2477                                         $trail = "";
2478                                 }
2479                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
2480                                 if ($match[1][0] == ':')
2481                                         $match[1] = substr($match[1], 1);
2482                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2483                         }
2484                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2485                 }
2486                 return $comment;
2487         }
2488
2489         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
2490                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
2491
2492                 $datetime = $wgLang->timeanddate( $timestamp, true );
2493                 $del = wfMsg( 'deleteimg' );
2494                 $delall = wfMsg( 'deleteimgcompletely' );
2495                 $cur = wfMsg( 'cur' );
2496
2497                 if ( $iscur ) {
2498                         $url = Image::wfImageUrl( $img );
2499                         $rlink = $cur;
2500                         if ( $wgUser->isSysop() ) {
2501                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
2502                                   '&action=delete' );
2503                                 $style = $this->getInternalLinkAttributes( $link, $delall );
2504
2505                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
2506                         } else {
2507                                 $dlink = $del;
2508                         }
2509                 } else {
2510                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
2511                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
2512                                 $rlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2513                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
2514                                            urlencode( $img ) );
2515                                 $dlink = $this->makeKnownLink( $wgTitle->getPrefixedText(),
2516                                            $del, 'action=delete&oldimage=' . urlencode( $img ) );
2517                         } else {
2518                                 # Having live active links for non-logged in users
2519                                 # means that bots and spiders crawling our site can
2520                                 # inadvertently change content. Baaaad idea.
2521                                 $rlink = wfMsg( 'revertimg' );
2522                                 $dlink = $del;
2523                         }
2524                 }
2525                 if ( 0 == $user ) {
2526                         $userlink = $usertext;
2527                 } else {
2528                         $userlink = $this->makeLink( $wgContLang->getNsText( Namespace::getUser() ) .
2529                                        ':'.$usertext, $usertext );
2530                 }
2531                 $nbytes = wfMsg( 'nbytes', $size );
2532                 $style = $this->getInternalLinkAttributes( $url, $datetime );
2533
2534                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
2535                   . " . . {$userlink} ({$nbytes})";
2536
2537                 if ( '' != $description && '*' != $description ) {
2538                         $sk=$wgUser->getSkin();
2539                         $s .= $wgContLang->emphasize(' (' . $sk->formatComment($description,$wgTitle) . ')');
2540                 }
2541                 $s .= "</li>\n";
2542                 return $s;
2543         }
2544
2545         function tocIndent($level) {
2546                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2547         }
2548
2549         function tocUnindent($level) {
2550                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2551         }
2552
2553         /**
2554          * parameter level defines if we are on an indentation level
2555          */
2556         function tocLine( $anchor, $tocline, $level ) {
2557                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2558                 if($level) {
2559                         return $link."\n";
2560                 } else {
2561                         return '<div class="tocline">'.$link."</div>\n";
2562                 }
2563
2564         }
2565
2566         function tocTable($toc) {
2567                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2568                 # try min-width & co when somebody gets a chance
2569                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2570                 return
2571                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2572                 '<b>'.wfMsg('toc').'</b>' .
2573                 $hideline .
2574                 '</td></tr><tr id="tocinside"><td>'."\n".
2575                 $toc."</td></tr></table>\n";
2576         }
2577
2578         /**
2579          * These two do not check for permissions: check $wgTitle->userCanEdit
2580          * before calling them
2581          */
2582         function editSectionScriptForOther( $title, $section, $head ) {
2583                 $ttl = Title::newFromText( $title );
2584                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2585                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2586         }
2587
2588         function editSectionScript( $section, $head ) {
2589                 global $wgTitle, $wgRequest;
2590                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2591                         return $head;
2592                 }
2593                 $url = $wgTitle->escapeLocalURL( 'action=edit&section='.$section );
2594                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2595         }
2596
2597         function editSectionLinkForOther( $title, $section ) {
2598                 global $wgRequest;
2599                 global $wgUser, $wgContLang;
2600
2601                 $title = Title::newFromText($title);
2602                 $editurl = '&section='.$section;
2603                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2604
2605                 if( $wgContLang->isRTL() ) {
2606                         $farside = 'left';
2607                         $nearside = 'right';
2608                 } else {
2609                         $farside = 'right';
2610                         $nearside = 'left';
2611                 }
2612                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2613
2614         }
2615
2616         function editSectionLink( $section ) {
2617                 global $wgRequest;
2618                 global $wgTitle, $wgUser, $wgContLang;
2619
2620                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2621                         # Section edit links would be out of sync on an old page.
2622                         # But, if we're diffing to the current page, they'll be
2623                         # correct.
2624                         return '';
2625                 }
2626
2627                 $editurl = '&section='.$section;
2628                 $url = $this->makeKnownLink($wgTitle->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2629
2630                 if( $wgContLang->isRTL() ) {
2631                         $farside = 'left';
2632                         $nearside = 'right';
2633                 } else {
2634                         $farside = 'right';
2635                         $nearside = 'left';
2636                 }
2637                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2638
2639         }
2640
2641         /**
2642          * This function is called by EditPage.php and shows a bulletin board style
2643          * toolbar for common editing functions. It can be disabled in the user
2644          * preferences.
2645          * The necessary JavaScript code can be found in style/wikibits.js.
2646          */
2647         function getEditToolbar() {
2648                 global $wgStylePath, $wgLang, $wgMimeType;
2649
2650                 /**
2651                  * toolarray an array of arrays which each include the filename of
2652                  * the button image (without path), the opening tag, the closing tag,
2653                  * and optionally a sample text that is inserted between the two when no
2654                  * selection is highlighted.
2655                  * The tip text is shown when the user moves the mouse over the button.
2656                  *
2657                  * Already here are accesskeys (key), which are not used yet until someone
2658                  * can figure out a way to make them work in IE. However, we should make
2659                  * sure these keys are not defined on the edit page.
2660                  */
2661                 $toolarray=array(
2662                         array(  'image'=>'button_bold.png',
2663                                         'open'  =>      "\'\'\'",
2664                                         'close' =>      "\'\'\'",
2665                                         'sample'=>      wfMsg('bold_sample'),
2666                                         'tip'   =>      wfMsg('bold_tip'),
2667                                         'key'   =>      'B'
2668                                 ),
2669                         array(  'image'=>'button_italic.png',
2670                                         'open'  =>      "\'\'",
2671                                         'close' =>      "\'\'",
2672                                         'sample'=>      wfMsg('italic_sample'),
2673                                         'tip'   =>      wfMsg('italic_tip'),
2674                                         'key'   =>      'I'
2675                                 ),
2676                         array(  'image'=>'button_link.png',
2677                                         'open'  =>      '[[',
2678                                         'close' =>      ']]',
2679                                         'sample'=>      wfMsg('link_sample'),
2680                                         'tip'   =>      wfMsg('link_tip'),
2681                                         'key'   =>      'L'
2682                                 ),
2683                         array(  'image'=>'button_extlink.png',
2684                                         'open'  =>      '[',
2685                                         'close' =>      ']',
2686                                         'sample'=>      wfMsg('extlink_sample'),
2687                                         'tip'   =>      wfMsg('extlink_tip'),
2688                                         'key'   =>      'X'
2689                                 ),
2690                         array(  'image'=>'button_headline.png',
2691                                         'open'  =>      "\\n== ",
2692                                         'close' =>      " ==\\n",
2693                                         'sample'=>      wfMsg('headline_sample'),
2694                                         'tip'   =>      wfMsg('headline_tip'),
2695                                         'key'   =>      'H'
2696                                 ),
2697                         array(  'image'=>'button_image.png',
2698                                         'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
2699                                         'close' =>      ']]',
2700                                         'sample'=>      wfMsg('image_sample'),
2701                                         'tip'   =>      wfMsg('image_tip'),
2702                                         'key'   =>      'D'
2703                                 ),
2704                         array(  'image' =>      'button_media.png',
2705                                         'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
2706                                         'close' =>      ']]',
2707                                         'sample'=>      wfMsg('media_sample'),
2708                                         'tip'   =>      wfMsg('media_tip'),
2709                                         'key'   =>      'M'
2710                                 ),
2711                         array(  'image' =>      'button_math.png',
2712                                         'open'  =>      "\\<math\\>",
2713                                         'close' =>      "\\</math\\>",
2714                                         'sample'=>      wfMsg('math_sample'),
2715                                         'tip'   =>      wfMsg('math_tip'),
2716                                         'key'   =>      'C'
2717                                 ),
2718                         array(  'image' =>      'button_nowiki.png',
2719                                         'open'  =>      "\\<nowiki\\>",
2720                                         'close' =>      "\\</nowiki\\>",
2721                                         'sample'=>      wfMsg('nowiki_sample'),
2722                                         'tip'   =>      wfMsg('nowiki_tip'),
2723                                         'key'   =>      'N'
2724                                 ),
2725                         array(  'image' =>      'button_sig.png',
2726                                         'open'  =>      '--~~~~',
2727                                         'close' =>      '',
2728                                         'sample'=>      '',
2729                                         'tip'   =>      wfMsg('sig_tip'),
2730                                         'key'   =>      'Y'
2731                                 ),
2732                         array(  'image' =>      'button_hr.png',
2733                                         'open'  =>      "\\n----\\n",
2734                                         'close' =>      '',
2735                                         'sample'=>      '',
2736                                         'tip'   =>      wfMsg('hr_tip'),
2737                                         'key'   =>      'R'
2738                                 )
2739                 );
2740                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
2741
2742                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
2743                 foreach($toolarray as $tool) {
2744
2745                         $image=$wgStylePath.'/common/images/'.$tool['image'];
2746                         $open=$tool['open'];
2747                         $close=$tool['close'];
2748                         $sample = addslashes( $tool['sample'] );
2749
2750                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2751                         // Older browsers show a "speedtip" type message only for ALT.
2752                         // Ideally these should be different, realistically they
2753                         // probably don't need to be.
2754                         $tip = addslashes( $tool['tip'] );
2755
2756                         #$key = $tool["key"];
2757
2758                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
2759                 }
2760
2761                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
2762                 $toolbar.="document.writeln(\"</div>\");\n";
2763
2764                 $toolbar.="/*]]>*/\n</script>";
2765                 return $toolbar;
2766         }
2767
2768         /**
2769          * @access public
2770          */
2771         function suppressUrlExpansion() {
2772                 return false;
2773         }
2774 }
2775
2776 }
2777 ?>