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