includes/Skin.php

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