includes/Skin.php

   1 <?php
   2
   3 /**
   4  *
   5  * @package MediaWiki
   6  * @subpackage Skins
   7  */
   8
   9 /**
  10  * This is not a valid entry point, perform no further processing unless MEDIAWIKI is defined
  11  */
  12 if( defined( "MEDIAWIKI" ) ) {
  13
  14 # See skin.doc
  15 require_once( 'Image.php' );
  16
  17 # Get a list of all skins available in /skins/
  18 # Build using the regular expression '^(.*).php$'
  19 # Array keys are all lower case, array value keep the case used by filename
  20 #
  21
  22 $skinDir = dir($IP.'/skins');
  23
  24 # while code from www.php.net
  25 while (false !== ($file = $skinDir->read())) {
  26         if(preg_match('/^([^.].*)\.php$/',$file, $matches)) {
  27                 $aSkin = $matches[1];
  28                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  29         }
  30 }
  31 $skinDir->close();
  32 unset($matches);
  33
  34 require_once( 'RecentChange.php' );
  35
  36 global $wgLinkHolders;
  37 $wgLinkHolders = array(
  38         'namespaces' => array(),
  39         'dbkeys' => array(),
  40         'queries' => array(),
  41         'texts' => array(),
  42         'titles' => array()
  43 );
  44 global $wgInterwikiLinkHolders;
  45 $wgInterwikiLinkHolders = array();
  46
  47 /**
  48  * @todo document
  49  * @package MediaWiki
  50  */
  51 class RCCacheEntry extends RecentChange
  52 {
  53         var $secureName, $link;
  54         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  55         var $userlink, $timestamp, $watched;
  56
  57         function newFromParent( $rc )
  58         {
  59                 $rc2 = new RCCacheEntry;
  60                 $rc2->mAttribs = $rc->mAttribs;
  61                 $rc2->mExtra = $rc->mExtra;
  62                 return $rc2;
  63         }
  64 } ;
  65
  66
  67 /**
  68  * The main skin class that provide methods and properties for all other skins
  69  * including PHPTal skins.
  70  * This base class is also the "Standard" skin.
  71  * @package MediaWiki
  72  */
  73 class Skin {
  74         /**#@+
  75          * @access private
  76          */
  77         var $lastdate, $lastline;
  78         var $linktrail ; # linktrail regexp
  79         var $rc_cache ; # Cache for Enhanced Recent Changes
  80         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  81         var $rcMoveIndex;
  82         var $postParseLinkColour = false;
  83         /**#@-*/
  84
  85         function Skin() {
  86                 global $wgContLang;
  87                 $this->linktrail = $wgContLang->linkTrail();
  88
  89                 # Cache option lookups done very frequently
  90                 $options = array( 'highlightbroken', 'hover' );
  91                 foreach( $options as $opt ) {
  92                         global $wgUser;
  93                         $this->mOptions[$opt] = $wgUser->getOption( $opt );
  94                 }
  95         }
  96
  97         function getSkinNames() {
  98                 global $wgValidSkinNames;
  99                 return $wgValidSkinNames;
 100         }
 101
 102         function getStylesheet() {
 103                 return 'common/wikistandard.css';
 104         }
 105
 106         function getSkinName() {
 107                 return 'standard';
 108         }
 109
 110         /**
 111          * Get/set accessor for delayed link colouring
 112          */
 113         function postParseLinkColour( $setting = NULL ) {
 114                 return wfSetVar( $this->postParseLinkColour, $setting );
 115         }
 116
 117         function qbSetting() {
 118                 global $wgOut, $wgUser;
 119
 120                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 121                 $q = $wgUser->getOption( 'quickbar' );
 122                 if ( '' == $q ) { $q = 0; }
 123                 return $q;
 124         }
 125
 126         function initPage( &$out ) {
 127                 $fname = 'Skin::initPage';
 128                 wfProfileIn( $fname );
 129
 130                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 131
 132                 $this->addMetadataLinks($out);
 133
 134                 wfProfileOut( $fname );
 135         }
 136
 137         function addMetadataLinks( &$out ) {
 138                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf, $wgRdfMimeType, $action;
 139                 global $wgRightsPage, $wgRightsUrl;
 140
 141                 if( $out->isArticleRelated() ) {
 142                         # note: buggy CC software only reads first "meta" link
 143                         if( $wgEnableCreativeCommonsRdf ) {
 144                                 $out->addMetadataLink( array(
 145                                         'title' => 'Creative Commons',
 146                                         'type' => 'application/rdf+xml',
 147                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 148                         }
 149                         if( $wgEnableDublinCoreRdf ) {
 150                                 $out->addMetadataLink( array(
 151                                         'title' => 'Dublin Core',
 152                                         'type' => 'application/rdf+xml',
 153                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 154                         }
 155                 }
 156                 $copyright = '';
 157                 if( $wgRightsPage ) {
 158                         $copy = Title::newFromText( $wgRightsPage );
 159                         if( $copy ) {
 160                                 $copyright = $copy->getLocalURL();
 161                         }
 162                 }
 163                 if( !$copyright && $wgRightsUrl ) {
 164                         $copyright = $wgRightsUrl;
 165                 }
 166                 if( $copyright ) {
 167                         $out->addLink( array(
 168                                 'rel' => 'copyright',
 169                                 'href' => $copyright ) );
 170                 }
 171         }
 172
 173         function outputPage( &$out ) {
 174                 global $wgDebugComments;
 175
 176                 wfProfileIn( 'Skin::outputPage' );
 177                 $this->initPage( $out );
 178                 $out->out( $out->headElement() );
 179
 180                 $out->out( "\n<body" );
 181                 $ops = $this->getBodyOptions();
 182                 foreach ( $ops as $name => $val ) {
 183                         $out->out( " $name='$val'" );
 184                 }
 185                 $out->out( ">\n" );
 186                 if ( $wgDebugComments ) {
 187                         $out->out( "<!-- Wiki debugging output:\n" .
 188                           $out->mDebugtext . "-->\n" );
 189                 }
 190                 $out->out( $this->beforeContent() );
 191
 192                 $out->out( $out->mBodytext . "\n" );
 193
 194                 $out->out( $this->afterContent() );
 195
 196                 wfProfileClose();
 197                 $out->out( $out->reportTime() );
 198
 199                 $out->out( "\n</body></html>" );
 200         }
 201
 202         function getHeadScripts() {
 203                 global $wgStylePath, $wgUser, $wgContLang, $wgAllowUserJs;
 204                 $r = "<script type=\"text/javascript\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 205                 if( $wgAllowUserJs && $wgUser->getID() != 0 ) { # logged in
 206                         $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 207                         $userjs = htmlspecialchars($this->makeUrl($userpage.'/'.$this->getSkinName().'.js', 'action=raw&ctype=text/javascript'));
 208                         $r .= '<script type="text/javascript" src="'.$userjs."\"></script>\n";
 209                 }
 210                 return $r;
 211         }
 212
 213         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 214         function getUserStylesheet() {
 215                 global $wgOut, $wgStylePath, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 216                 $sheet = $this->getStylesheet();
 217                 $action = $wgRequest->getText('action');
 218                 $s = "@import \"$wgStylePath/$sheet\";\n";
 219                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 220                 if( $wgAllowUserCss && $wgUser->getID() != 0 ) { # logged in
 221                         if($wgTitle->isCssSubpage() and $action == 'submit' and  $wgTitle->userCanEditCssJsSubpage()) {
 222                                 $s .= $wgRequest->getText('wpTextbox1');
 223                         } else {
 224                                 $userpage = $wgContLang->getNsText( Namespace::getUser() ) . ":" . $wgUser->getName();
 225                                 $s.= '@import "'.$this->makeUrl($userpage.'/'.$this->getSkinName().'.css', 'action=raw&ctype=text/css').'";'."\n";
 226                         }
 227                 }
 228                 $s .= $this->doGetUserStyles();
 229                 return $s."\n";
 230         }
 231
 232         /**
 233          * placeholder, returns generated js in monobook
 234          */
 235         function getUserJs() { return; }
 236
 237         /**
 238          * Return html code that include User stylesheets
 239          */
 240         function getUserStyles() {
 241                 global $wgOut, $wgStylePath, $wgLang;
 242                 $s = "<style type='text/css'>\n";
 243                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 244                 $s .= $this->getUserStylesheet();
 245                 $s .= "/*]]>*/ /* */\n";
 246                 $s .= "</style>\n";
 247                 return $s;
 248         }
 249
 250         /**
 251          * Some styles that are set by user through the user settings interface.
 252          */
 253         function doGetUserStyles() {
 254                 global $wgUser, $wgContLang;
 255
 256                 $csspage = $wgContLang->getNsText( NS_MEDIAWIKI ) . ':' . $this->getSkinName() . '.css';
 257                 $s = '@import "'.$this->makeUrl($csspage, 'action=raw&ctype=text/css')."\";\n";
 258
 259                 if ( 1 == $wgUser->getOption( 'underline' ) ) {
 260                         # Don't override browser settings
 261                 } else {
 262                         # CHECK MERGE @@@
 263                         # Force no underline
 264                         $s .= "a { text-decoration: none; }\n";
 265                 }
 266                 if ( 1 == $this->mOptions['highlightbroken'] ) {
 267                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 268                 }
 269                 if ( 1 == $wgUser->getOption( 'justify' ) ) {
 270                         $s .= "#article { text-align: justify; }\n";
 271                 }
 272                 return $s;
 273         }
 274
 275         function getBodyOptions() {
 276                 global $wgUser, $wgTitle, $wgNamespaceBackgrounds, $wgOut, $wgRequest;
 277
 278                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 279
 280                 if ( 0 != $wgTitle->getNamespace() ) {
 281                         $a = array( 'bgcolor' => '#ffffec' );
 282                 }
 283                 else $a = array( 'bgcolor' => '#FFFFFF' );
 284                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 285                   (!$wgTitle->isProtected() || $wgUser->isAllowed('protect')) ) {
 286                         $t = wfMsg( 'editthispage' );
 287                         $oid = $red = '';
 288                         if ( !empty($redirect) && $redirect == 'no' ) {
 289                                 $red = "&redirect={$redirect}";
 290                         }
 291                         if ( !empty($oldid) && ! isset( $diff ) ) {
 292                                 $oid = "&oldid=" . IntVal( $oldid );
 293                         }
 294                         $s = $wgTitle->getFullURL( "action=edit{$oid}{$red}" );
 295                         $s = 'document.location = "' .$s .'";';
 296                         $a += array ('ondblclick' => $s);
 297
 298                 }
 299                 $a['onload'] = $wgOut->getOnloadHandler();
 300                 return $a;
 301         }
 302
 303         function getExternalLinkAttributes( $link, $text, $class='' ) {
 304                 global $wgContLang;
 305
 306                 $same = ($link == $text);
 307                 $link = urldecode( $link );
 308                 $link = $wgContLang->checkTitleEncoding( $link );
 309                 $link = str_replace( '_', ' ', $link );
 310                 $link = htmlspecialchars( $link );
 311
 312                 $r = ($class != '') ? " class='$class'" : " class='external'";
 313
 314                 if( !$same && $this->mOptions['hover'] ) {
 315                         $r .= " title=\"{$link}\"";
 316                 }
 317                 return $r;
 318         }
 319
 320         function getInternalLinkAttributes( $link, $text, $broken = false ) {
 321                 $link = urldecode( $link );
 322                 $link = str_replace( '_', ' ', $link );
 323                 $link = htmlspecialchars( $link );
 324
 325                 if( $broken == 'stub' ) {
 326                         $r = ' class="stub"';
 327                 } else if ( $broken == 'yes' ) {
 328                         $r = ' class="new"';
 329                 } else {
 330                         $r = '';
 331                 }
 332
 333                 if( $this->mOptions['hover'] ) {
 334                         $r .= " title=\"{$link}\"";
 335                 }
 336                 return $r;
 337         }
 338
 339         /**
 340          * @param bool $broken
 341          */
 342         function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
 343                 if( $broken == 'stub' ) {
 344                         $r = ' class="stub"';
 345                 } else if ( $broken == 'yes' ) {
 346                         $r = ' class="new"';
 347                 } else {
 348                         $r = '';
 349                 }
 350
 351                 if( $this->mOptions['hover'] ) {
 352                         $r .= ' title="' . $nt->getEscapedText() . '"';
 353                 }
 354                 return $r;
 355         }
 356
 357         /**
 358          * URL to the logo
 359          */
 360         function getLogo() {
 361                 global $wgLogo;
 362                 return $wgLogo;
 363         }
 364
 365         /**
 366          * This will be called immediately after the <body> tag.  Split into
 367          * two functions to make it easier to subclass.
 368          */
 369         function beforeContent() {
 370                 global $wgUser, $wgOut;
 371
 372                 return $this->doBeforeContent();
 373         }
 374
 375         function doBeforeContent() {
 376                 global $wgUser, $wgOut, $wgTitle, $wgContLang, $wgSiteNotice;
 377                 $fname = 'Skin::doBeforeContent';
 378                 wfProfileIn( $fname );
 379
 380                 $s = '';
 381                 $qb = $this->qbSetting();
 382
 383                 if( $langlinks = $this->otherLanguages() ) {
 384                         $rows = 2;
 385                         $borderhack = '';
 386                 } else {
 387                         $rows = 1;
 388                         $langlinks = false;
 389                         $borderhack = 'class="top"';
 390                 }
 391
 392                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 393                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 394
 395                 $shove = ($qb != 0);
 396                 $left = ($qb == 1 || $qb == 3);
 397                 if($wgContLang->isRTL()) $left = !$left;
 398
 399                 if ( !$shove ) {
 400                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 401                           $this->logoText() . '</td>';
 402                 } elseif( $left ) {
 403                         $s .= $this->getQuickbarCompensator( $rows );
 404                 }
 405                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 406                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 407
 408                 $s .= $this->topLinks() ;
 409                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 410
 411                 $r = $wgContLang->isRTL() ? "left" : "right";
 412                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 413                 $s .= $this->nameAndLogin();
 414                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 415
 416                 if ( $langlinks ) {
 417                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 418                 }
 419
 420                 if ( $shove && !$left ) { # Right
 421                         $s .= $this->getQuickbarCompensator( $rows );
 422                 }
 423                 $s .= "</tr>\n</table>\n</div>\n";
 424                 $s .= "\n<div id='article'>\n";
 425
 426                 if( $wgSiteNotice ) {
 427                         $s .= "\n<div id='siteNotice'>$wgSiteNotice</div>\n";
 428                 }
 429                 $s .= $this->pageTitle();
 430                 $s .= $this->pageSubtitle() ;
 431                 $s .= $this->getCategories();
 432                 wfProfileOut( $fname );
 433                 return $s;
 434         }
 435
 436
 437         function getCategoryLinks () {
 438                 global $wgOut, $wgTitle, $wgUser, $wgParser;
 439                 global $wgUseCategoryMagic, $wgUseCategoryBrowser, $wgLang;
 440
 441                 if( !$wgUseCategoryMagic ) return '' ;
 442                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 443
 444                 # Taken out so that they will be displayed in previews -- TS
 445                 #if( !$wgOut->isArticle() ) return '';
 446
 447                 $t = implode ( ' | ' , $wgOut->mCategoryLinks ) ;
 448                 $s = $this->makeKnownLink( 'Special:Categories',
 449                         wfMsg( 'categories' ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 450                         . ': ' . $t;
 451
 452                 # optional 'dmoz-like' category browser. Will be shown under the list
 453                 # of categories an article belong to
 454                 if($wgUseCategoryBrowser) {
 455                         $s .= '<br/><hr/>';
 456
 457                         # get a big array of the parents tree
 458                         $parenttree = $wgTitle->getParentCategoryTree();
 459
 460                         # Render the array as a serie of links
 461                         function walkThrough ($tree) {
 462                                 global $wgUser;
 463                                 $sk = $wgUser->getSkin();
 464                                 $return = '';
 465                                 foreach($tree as $element => $parent) {
 466                                         if(empty($parent)) {
 467                                                 # element start a new list
 468                                                 $return .= '<br />';
 469                                         } else {
 470                                                 # grab the others elements
 471                                                 $return .= walkThrough($parent);
 472                                         }
 473                                         # add our current element to the list
 474                                         $eltitle = Title::NewFromText($element);
 475                                         # FIXME : should be makeLink() [AV]
 476                                         $return .= $sk->makeLink($element, $eltitle->getText()).' &gt; ';
 477                                 }
 478                                 return $return;
 479                         }
 480
 481                         $s .= walkThrough($parenttree);
 482                 }
 483
 484                 return $s;
 485         }
 486
 487         function getCategories() {
 488                 $catlinks=$this->getCategoryLinks();
 489                 if(!empty($catlinks)) {
 490                         return "<p class='catlinks'>{$catlinks}</p>";
 491                 }
 492         }
 493
 494         function getQuickbarCompensator( $rows = 1 ) {
 495                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 496         }
 497
 498         # This gets called immediately before the </body> tag.
 499         #
 500         function afterContent() {
 501                 global $wgUser, $wgOut, $wgServer;
 502                 global $wgTitle, $wgLang;
 503
 504                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 505                 return $printfooter . $this->doAfterContent();
 506         }
 507
 508         function printSource() {
 509                 global $wgTitle;
 510                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 511                 return wfMsg( "retrievedfrom", "<a href=\"$url\">$url</a>" );
 512         }
 513
 514         function printFooter() {
 515                 return "<p>" .  $this->printSource() .
 516                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 517         }
 518
 519         function doAfterContent() {
 520         # overloaded by derived classes
 521         }
 522
 523         function pageTitleLinks() {
 524                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgUseApproval, $wgRequest;
 525
 526                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 527                 $action = $wgRequest->getText( 'action' );
 528
 529                 $s = $this->printableLink();
 530                 $disclaimer = $this->disclaimerLink(); # may be empty
 531                 if( $disclaimer ) {
 532                         $s .= ' | ' . $disclaimer;
 533                 }
 534
 535                 if ( $wgOut->isArticleRelated() ) {
 536                         if ( $wgTitle->getNamespace() == Namespace::getImage() ) {
 537                                 $name = $wgTitle->getDBkey();
 538                                 $image = new Image( $wgTitle->getDBkey() );
 539                                 if( $image->exists() ) {
 540                                         $link = htmlspecialchars( $image->getURL() );
 541                                         $style = $this->getInternalLinkAttributes( $link, $name );
 542                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 543                                 }
 544                         }
 545                         # This will show the "Approve" link if $wgUseApproval=true;
 546                         if ( isset ( $wgUseApproval ) && $wgUseApproval )
 547                         {
 548                                 $t = $wgTitle->getDBkey();
 549                                 $name = 'Approve this article' ;
 550                                 $link = "http://test.wikipedia.org/w/magnus/wiki.phtml?title={$t}&action=submit&doit=1" ;
 551                                 #htmlspecialchars( wfImageUrl( $name ) );
 552                                 $style = $this->getExternalLinkAttributes( $link, $name );
 553                                 $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>" ;
 554                         }
 555                 }
 556                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 557                         $s .= ' | ' . $this->makeKnownLink( $wgTitle->getPrefixedText(),
 558                                         wfMsg( 'currentrev' ) );
 559                 }
 560
 561                 if ( $wgUser->getNewtalk() ) {
 562                 # do not show "You have new messages" text when we are viewing our
 563                 # own talk page
 564
 565                         if(!(strcmp($wgTitle->getText(),$wgUser->getName()) == 0 &&
 566                                                 $wgTitle->getNamespace()==Namespace::getTalk(Namespace::getUser()))) {
 567                                 $n =$wgUser->getName();
 568                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 569                                                         Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 570                                                 wfMsg('newmessageslink') );
 571                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 572                                 # disable caching
 573                                 $wgOut->setSquidMaxage(0);
 574                                 $wgOut->enableClientCache(false);
 575                         }
 576                 }
 577
 578                 $undelete = $this->getUndeleteLink();
 579                 if( !empty( $undelete ) ) {
 580                         $s .= ' | '.$undelete;
 581                 }
 582                 return $s;
 583         }
 584
 585         function getUndeleteLink() {
 586                 global $wgUser, $wgTitle, $wgContLang, $action;
 587                 if( $wgUser->isAllowed('rollback') &&
 588                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 589                         ($n = $wgTitle->isDeleted() ) ) {
 590                         return wfMsg( 'thisisdeleted',
 591                                 $this->makeKnownLink(
 592                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 593                                         wfMsg( 'restorelink', $n ) ) );
 594                 }
 595                 return '';
 596         }
 597
 598         function printableLink() {
 599                 global $wgOut, $wgFeedClasses, $wgRequest;
 600
 601                 $baseurl = $_SERVER['REQUEST_URI'];
 602                 if( strpos( '?', $baseurl ) == false ) {
 603                         $baseurl .= '?';
 604                 } else {
 605                         $baseurl .= '&';
 606                 }
 607                 $baseurl = htmlspecialchars( $baseurl );
 608                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 609
 610                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 611                 if( $wgOut->isSyndicated() ) {
 612                         foreach( $wgFeedClasses as $format => $class ) {
 613                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 614                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 615                         }
 616                 }
 617                 return $s;
 618         }
 619
 620         function pageTitle() {
 621                 global $wgOut, $wgTitle, $wgUser;
 622
 623                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 624                 if($wgUser->getOption( 'editsectiononrightclick' ) && $wgTitle->userCanEdit()) { $s=$this->editSectionScript($wgTitle, 0,$s);}
 625                 return $s;
 626         }
 627
 628         function pageSubtitle() {
 629                 global $wgOut;
 630
 631                 $sub = $wgOut->getSubtitle();
 632                 if ( '' == $sub ) {
 633                         global $wgExtraSubtitle;
 634                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 635                 }
 636                 $subpages = $this->subPageSubtitle();
 637                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 638                 $s = "<p class='subtitle'>{$sub}</p>\n";
 639                 return $s;
 640         }
 641
 642         function subPageSubtitle() {
 643                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 644                 $subpages = '';
 645                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 646                         $ptext=$wgTitle->getPrefixedText();
 647                         if(preg_match('/\//',$ptext)) {
 648                                 $links = explode('/',$ptext);
 649                                 $c = 0;
 650                                 $growinglink = '';
 651                                 foreach($links as $link) {
 652                                         $c++;
 653                                         if ($c<count($links)) {
 654                                                 $growinglink .= $link;
 655                                                 $getlink = $this->makeLink( $growinglink, $link );
 656                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 657                                                 if ($c>1) {
 658                                                         $subpages .= ' | ';
 659                                                 } else  {
 660                                                         $subpages .= '&lt; ';
 661                                                 }
 662                                                 $subpages .= $getlink;
 663                                                 $growinglink .= '/';
 664                                         }
 665                                 }
 666                         }
 667                 }
 668                 return $subpages;
 669         }
 670
 671         function nameAndLogin() {
 672                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader, $wgIP;
 673
 674                 $li = $wgContLang->specialPage( 'Userlogin' );
 675                 $lo = $wgContLang->specialPage( 'Userlogout' );
 676
 677                 $s = '';
 678                 if ( 0 == $wgUser->getID() ) {
 679                         if( $wgShowIPinHeader && isset(  $_COOKIE[ini_get('session.name')] ) ) {
 680                                 $n = $wgIP;
 681
 682                                 $tl = $this->makeKnownLink( $wgContLang->getNsText(
 683                                   Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 684                                   $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 685
 686                                 $s .= $n . ' ('.$tl.')';
 687                         } else {
 688                                 $s .= wfMsg('notloggedin');
 689                         }
 690
 691                         $rt = $wgTitle->getPrefixedURL();
 692                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 693                                 $q = '';
 694                         } else { $q = "returnto={$rt}"; }
 695
 696                         $s .= "\n<br />" . $this->makeKnownLink( $li,
 697                           wfMsg( 'login' ), $q );
 698                 } else {
 699                         $n = $wgUser->getName();
 700                         $rt = $wgTitle->getPrefixedURL();
 701                         $tl = $this->makeKnownLink( $wgContLang->getNsText(
 702                           Namespace::getTalk( Namespace::getUser() ) ) . ":{$n}",
 703                           $wgContLang->getNsText( Namespace::getTalk( 0 ) ) );
 704
 705                         $tl = " ({$tl})";
 706
 707                         $s .= $this->makeKnownLink( $wgContLang->getNsText(
 708                           Namespace::getUser() ) . ":{$n}", $n ) . "{$tl}<br />" .
 709                           $this->makeKnownLink( $lo, wfMsg( 'logout' ),
 710                           "returnto={$rt}" ) . ' | ' .
 711                           $this->specialLink( 'preferences' );
 712                 }
 713                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 714                   wfMsg( 'help' ) );
 715
 716                 return $s;
 717         }
 718
 719         function getSearchLink() {
 720                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 721                 return $searchPage->getLocalURL();
 722         }
 723
 724         function escapeSearchLink() {
 725                 return htmlspecialchars( $this->getSearchLink() );
 726         }
 727
 728         function searchForm() {
 729                 global $wgRequest;
 730                 $search = $wgRequest->getText( 'search' );
 731
 732                 $s = '<form name="search" class="inline" method="post" action="'
 733                   . $this->escapeSearchLink() . "\">\n"
 734                   . '<input type="text" name="search" size="19" value="'
 735                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 736                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 737                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 738
 739                 return $s;
 740         }
 741
 742         function topLinks() {
 743                 global $wgOut;
 744                 $sep = " |\n";
 745
 746                 $s = $this->mainPageLink() . $sep
 747                   . $this->specialLink( 'recentchanges' );
 748
 749                 if ( $wgOut->isArticleRelated() ) {
 750                         $s .=  $sep . $this->editThisPage()
 751                           . $sep . $this->historyLink();
 752                 }
 753                 # Many people don't like this dropdown box
 754                 #$s .= $sep . $this->specialPagesList();
 755
 756                 return $s;
 757         }
 758
 759         function bottomLinks() {
 760                 global $wgOut, $wgUser, $wgTitle;
 761                 $sep = " |\n";
 762
 763                 $s = '';
 764                 if ( $wgOut->isArticleRelated() ) {
 765                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 766                         if ( 0 != $wgUser->getID() ) {
 767                                 $s .= $sep . $this->watchThisPage();
 768                         }
 769                         $s .= $sep . $this->talkLink()
 770                           . $sep . $this->historyLink()
 771                           . $sep . $this->whatLinksHere()
 772                           . $sep . $this->watchPageLinksLink();
 773
 774                         if ( $wgTitle->getNamespace() == Namespace::getUser()
 775                             || $wgTitle->getNamespace() == Namespace::getTalk(Namespace::getUser()) )
 776
 777                         {
 778                                 $id=User::idFromName($wgTitle->getText());
 779                                 $ip=User::isIP($wgTitle->getText());
 780
 781                                 if($id || $ip) { # both anons and non-anons have contri list
 782                                         $s .= $sep . $this->userContribsLink();
 783                                 }
 784                                 if( $this->showEmailUser( $id ) ) {
 785                                         $s .= $sep . $this->emailUserLink();
 786                                 }
 787                         }
 788                         if ( $wgTitle->getArticleId() ) {
 789                                 $s .= "\n<br />";
 790                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 791                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 792                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 793                         }
 794                         $s .= "<br />\n" . $this->otherLanguages();
 795                 }
 796                 return $s;
 797         }
 798
 799         function pageStats() {
 800                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 801                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 802
 803                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 804                 if ( ! $wgOut->isArticle() ) { return ''; }
 805                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 806                 if ( 0 == $wgArticle->getID() ) { return ''; }
 807
 808                 $s = '';
 809                 if ( !$wgDisableCounters ) {
 810                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 811                         if ( $count ) {
 812                                 $s = wfMsg( 'viewcount', $count );
 813                         }
 814                 }
 815
 816                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 817                     require_once("Credits.php");
 818                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 819                 } else {
 820                     $s .= $this->lastModified();
 821                 }
 822
 823                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 824                         $dbr =& wfGetDB( DB_SLAVE );
 825                         extract( $dbr->tableNames( 'watchlist' ) );
 826                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 827                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 828                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 829                         $res = $dbr->query( $sql, 'Skin::pageStats');
 830                         $x = $dbr->fetchObject( $res );
 831                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 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         /**
 919          * show a drop-down box of special pages
 920          * @TODO crash bug913. Need to be rewrote completly.
 921          */
 922         function specialPagesList() {
 923                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript;
 924                 require_once('SpecialPage.php');
 925                 $a = array();
 926                 $pages = SpecialPage::getPages();
 927
 928                 foreach ( $pages[''] as $name => $page ) {
 929                         $a[$name] = $page->getDescription();
 930                 }
 931                 if ( $wgUser->isSysop() )
 932                 {
 933                         foreach ( $pages['sysop'] as $name => $page ) {
 934                                 $a[$name] = $page->getDescription();
 935                         }
 936                 }
 937                 if ( $wgUser->isDeveloper() )
 938                 {
 939                         foreach ( $pages['developer'] as $name => $page ) {
 940                                 $a[$name] = $page->getDescription() ;
 941                         }
 942                 }
 943                 $go = wfMsg( 'go' );
 944                 $sp = wfMsg( 'specialpages' );
 945                 $spp = $wgContLang->specialPage( 'Specialpages' );
 946
 947                 $s = '<form id="specialpages" method="get" class="inline" ' .
 948                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 949                 $s .= "<select name=\"wpDropdown\">\n";
 950                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 951
 952                 foreach ( $a as $name => $desc ) {
 953                         $p = $wgContLang->specialPage( $name );
 954                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 955                 }
 956                 $s .= "</select>\n";
 957                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 958                 $s .= "</form>\n";
 959                 return $s;
 960         }
 961
 962         function mainPageLink() {
 963                 $mp = wfMsgForContent( 'mainpage' );
 964                 $mptxt = wfMsg( 'mainpage');
 965                 $s = $this->makeKnownLink( $mp, $mptxt );
 966                 return $s;
 967         }
 968
 969         function copyrightLink() {
 970                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 971                   wfMsg( 'copyrightpagename' ) );
 972                 return $s;
 973         }
 974
 975         function aboutLink() {
 976                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 977                   wfMsg( 'aboutsite' ) );
 978                 return $s;
 979         }
 980
 981
 982         function disclaimerLink() {
 983                 $disclaimers = wfMsg( 'disclaimers' );
 984                 if ($disclaimers == '-') {
 985                         return "";
 986                 } else {
 987                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
 988                                                      $disclaimers );
 989                 }
 990         }
 991
 992         function editThisPage() {
 993                 global $wgOut, $wgTitle, $wgRequest;
 994
 995                 $oldid = $wgRequest->getVal( 'oldid' );
 996                 $diff = $wgRequest->getVal( 'diff' );
 997                 $redirect = $wgRequest->getVal( 'redirect' );
 998
 999                 if ( ! $wgOut->isArticleRelated() ) {
1000                         $s = wfMsg( 'protectedpage' );
1001                 } else {
1002                         $n = $wgTitle->getPrefixedText();
1003                         if ( $wgTitle->userCanEdit() ) {
1004                                 $t = wfMsg( 'editthispage' );
1005                         } else {
1006                                 #$t = wfMsg( "protectedpage" );
1007                                 $t = wfMsg( 'viewsource' );
1008                         }
1009                         $oid = $red = '';
1010
1011                         if ( !is_null( $redirect ) ) { $red = "&redirect={$redirect}"; }
1012                         if ( $oldid && ! isset( $diff ) ) {
1013                                 $oid = '&oldid='.$oldid;
1014                         }
1015                         $s = $this->makeKnownLink( $n, $t, "action=edit{$oid}{$red}" );
1016                 }
1017                 return $s;
1018         }
1019
1020         function deleteThisPage() {
1021                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1022
1023                 $diff = $wgRequest->getVal( 'diff' );
1024                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1025                         $n = $wgTitle->getPrefixedText();
1026                         $t = wfMsg( 'deletethispage' );
1027
1028                         $s = $this->makeKnownLink( $n, $t, 'action=delete' );
1029                 } else {
1030                         $s = '';
1031                 }
1032                 return $s;
1033         }
1034
1035         function protectThisPage() {
1036                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1037
1038                 $diff = $wgRequest->getVal( 'diff' );
1039                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1040                         $n = $wgTitle->getPrefixedText();
1041
1042                         if ( $wgTitle->isProtected() ) {
1043                                 $t = wfMsg( 'unprotectthispage' );
1044                                 $q = 'action=unprotect';
1045                         } else {
1046                                 $t = wfMsg( 'protectthispage' );
1047                                 $q = 'action=protect';
1048                         }
1049                         $s = $this->makeKnownLink( $n, $t, $q );
1050                 } else {
1051                         $s = '';
1052                 }
1053                 return $s;
1054         }
1055
1056         function watchThisPage() {
1057                 global $wgUser, $wgOut, $wgTitle;
1058
1059                 if ( $wgOut->isArticleRelated() ) {
1060                         $n = $wgTitle->getPrefixedText();
1061
1062                         if ( $wgTitle->userIsWatching() ) {
1063                                 $t = wfMsg( 'unwatchthispage' );
1064                                 $q = 'action=unwatch';
1065                         } else {
1066                                 $t = wfMsg( 'watchthispage' );
1067                                 $q = 'action=watch';
1068                         }
1069                         $s = $this->makeKnownLink( $n, $t, $q );
1070                 } else {
1071                         $s = wfMsg( 'notanarticle' );
1072                 }
1073                 return $s;
1074         }
1075
1076         function moveThisPage() {
1077                 global $wgTitle, $wgContLang;
1078
1079                 if ( $wgTitle->userCanMove() ) {
1080                         $s = $this->makeKnownLink( $wgContLang->specialPage( 'Movepage' ),
1081                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1082                 } // no message if page is protected - would be redundant
1083                 return $s;
1084         }
1085
1086         function historyLink() {
1087                 global $wgTitle;
1088
1089                 $s = $this->makeKnownLink( $wgTitle->getPrefixedText(),
1090                   wfMsg( 'history' ), 'action=history' );
1091                 return $s;
1092         }
1093
1094         function whatLinksHere() {
1095                 global $wgTitle, $wgContLang;
1096
1097                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ),
1098                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1099                 return $s;
1100         }
1101
1102         function userContribsLink() {
1103                 global $wgTitle, $wgContLang;
1104
1105                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Contributions' ),
1106                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1107                 return $s;
1108         }
1109
1110         function showEmailUser( $id ) {
1111                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1112                 return $wgEnableEmail &&
1113                        $wgEnableUserEmail &&
1114                        0 != $wgUser->getID() && # show only to signed in users
1115                        0 != $id; # we can only email to non-anons ..
1116 #                      '' != $id->getEmail() && # who must have an email address stored ..
1117 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1118 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1119         }
1120
1121         function emailUserLink() {
1122                 global $wgTitle, $wgContLang;
1123
1124                 $s = $this->makeKnownLink( $wgContLang->specialPage( 'Emailuser' ),
1125                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1126                 return $s;
1127         }
1128
1129         function watchPageLinksLink() {
1130                 global $wgOut, $wgTitle, $wgContLang;
1131
1132                 if ( ! $wgOut->isArticleRelated() ) {
1133                         $s = '(' . wfMsg( 'notanarticle' ) . ')';
1134                 } else {
1135                         $s = $this->makeKnownLink( $wgContLang->specialPage(
1136                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1137                           'target=' . $wgTitle->getPrefixedURL() );
1138                 }
1139                 return $s;
1140         }
1141
1142         function otherLanguages() {
1143                 global $wgOut, $wgContLang, $wgTitle, $wgUseNewInterlanguage;
1144
1145                 $a = $wgOut->getLanguageLinks();
1146                 if ( 0 == count( $a ) ) {
1147                         if ( !$wgUseNewInterlanguage ) return '';
1148                         $ns = $wgContLang->getNsIndex ( $wgTitle->getNamespace () ) ;
1149                         if ( $ns != 0 AND $ns != 1 ) return '' ;
1150                         $pn = 'Intl' ;
1151                         $x = 'mode=addlink&xt='.$wgTitle->getDBkey() ;
1152                         return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1153                                   wfMsg( 'intl' ) , $x );
1154                         }
1155
1156                 if ( !$wgUseNewInterlanguage ) {
1157                         $s = wfMsg( 'otherlanguages' ) . ': ';
1158                 } else {
1159                         global $wgContLanguageCode ;
1160                         $x = 'mode=zoom&xt='.$wgTitle->getDBkey() ;
1161                         $x .= '&xl='.$wgContLanguageCode ;
1162                         $s =  $this->makeKnownLink( $wgContLang->specialPage( 'Intl' ),
1163                                   wfMsg( 'otherlanguages' ) , $x ) . ': ' ;
1164                         }
1165
1166                 $s = wfMsg( 'otherlanguages' ) . ': ';
1167                 $first = true;
1168                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1169                 foreach( $a as $l ) {
1170                         if ( ! $first ) { $s .= ' | '; }
1171                         $first = false;
1172
1173                         $nt = Title::newFromText( $l );
1174                         $url = $nt->getFullURL();
1175                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1176
1177                         if ( '' == $text ) { $text = $l; }
1178                         $style = $this->getExternalLinkAttributes( $l, $text );
1179                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1180                 }
1181                 if($wgContLang->isRTL()) $s .= '</span>';
1182                 return $s;
1183         }
1184
1185         function bugReportsLink() {
1186                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1187                   wfMsg( 'bugreports' ) );
1188                 return $s;
1189         }
1190
1191         function dateLink() {
1192                 global $wgLinkCache;
1193                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1194                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1195
1196                 $wgLinkCache->suspend();
1197                 $id = $t1->getArticleID();
1198                 $wgLinkCache->resume();
1199
1200                 if ( 0 == $id ) {
1201                         $s = $this->makeBrokenLink( $t1->getText() );
1202                 } else {
1203                         $s = $this->makeKnownLink( $t1->getText() );
1204                 }
1205                 $s .= ', ';
1206
1207                 $wgLinkCache->suspend();
1208                 $id = $t2->getArticleID();
1209                 $wgLinkCache->resume();
1210
1211                 if ( 0 == $id ) {
1212                         $s .= $this->makeBrokenLink( $t2->getText() );
1213                 } else {
1214                         $s .= $this->makeKnownLink( $t2->getText() );
1215                 }
1216                 return $s;
1217         }
1218
1219         function talkLink() {
1220                 global $wgContLang, $wgTitle, $wgLinkCache;
1221
1222                 $tns = $wgTitle->getNamespace();
1223                 if ( -1 == $tns ) { return ''; }
1224
1225                 $pn = $wgTitle->getText();
1226                 $tp = wfMsg( 'talkpage' );
1227                 if ( Namespace::isTalk( $tns ) ) {
1228                         $lns = Namespace::getSubject( $tns );
1229                         switch($tns) {
1230                                 case 1:
1231                                 $text = wfMsg('articlepage');
1232                                 break;
1233                                 case 3:
1234                                 $text = wfMsg('userpage');
1235                                 break;
1236                                 case 5:
1237                                 $text = wfMsg('wikipediapage');
1238                                 break;
1239                                 case 7:
1240                                 $text = wfMsg('imagepage');
1241                                 break;
1242                                 default:
1243                                 $text= wfMsg('articlepage');
1244                         }
1245                 } else {
1246
1247                         $lns = Namespace::getTalk( $tns );
1248                         $text=$tp;
1249                 }
1250                 $n = $wgContLang->getNsText( $lns );
1251                 if ( '' == $n ) { $link = $pn; }
1252                 else { $link = $n.':'.$pn; }
1253
1254                 $wgLinkCache->suspend();
1255                 $s = $this->makeLink( $link, $text );
1256                 $wgLinkCache->resume();
1257
1258                 return $s;
1259         }
1260
1261         function commentLink() {
1262                 global $wgContLang, $wgTitle, $wgLinkCache;
1263
1264                 $tns = $wgTitle->getNamespace();
1265                 if ( -1 == $tns ) { return ''; }
1266
1267                 $lns = ( Namespace::isTalk( $tns ) ) ? $tns : Namespace::getTalk( $tns );
1268
1269                 # assert Namespace::isTalk( $lns )
1270
1271                 $n = $wgContLang->getNsText( $lns );
1272                 $pn = $wgTitle->getText();
1273
1274                 $link = $n.':'.$pn;
1275
1276                 $wgLinkCache->suspend();
1277                 $s = $this->makeKnownLink($link, wfMsg('postcomment'), 'action=edit&section=new');
1278                 $wgLinkCache->resume();
1279
1280                 return $s;
1281         }
1282
1283         /**
1284          * After all the page content is transformed into HTML, it makes
1285          * a final pass through here for things like table backgrounds.
1286          * @todo probably deprecated [AV]
1287          */
1288         function transformContent( $text ) {
1289                 return $text;
1290         }
1291
1292         /**
1293          * Note: This function MUST call getArticleID() on the link,
1294          * otherwise the cache won't get updated properly.  See LINKCACHE.DOC.
1295          */
1296         function makeLink( $title, $text = '', $query = '', $trail = '' ) {
1297                 wfProfileIn( 'Skin::makeLink' );
1298                 $nt = Title::newFromText( $title );
1299                 if ($nt) {
1300                         $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1301                 } else {
1302                         wfDebug( 'Invalid title passed to Skin::makeLink(): "'.$title."\"\n" );
1303                         $result = $text == "" ? $title : $text;
1304                 }
1305
1306                 wfProfileOut( 'Skin::makeLink' );
1307                 return $result;
1308         }
1309
1310         function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
1311                 $nt = Title::newFromText( $title );
1312                 if ($nt) {
1313                         return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
1314                 } else {
1315                         wfDebug( 'Invalid title passed to Skin::makeKnownLink(): "'.$title."\"\n" );
1316                         return $text == '' ? $title : $text;
1317                 }
1318         }
1319
1320         function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
1321                 $nt = Title::newFromText( $title );
1322                 if ($nt) {
1323                         return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1324                 } else {
1325                         wfDebug( 'Invalid title passed to Skin::makeBrokenLink(): "'.$title."\"\n" );
1326                         return $text == '' ? $title : $text;
1327                 }
1328         }
1329
1330         function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
1331                 $nt = Title::newFromText( $title );
1332                 if ($nt) {
1333                         return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
1334                 } else {
1335                         wfDebug( 'Invalid title passed to Skin::makeStubLink(): "'.$title."\"\n" );
1336                         return $text == '' ? $title : $text;
1337                 }
1338         }
1339
1340         /**
1341          * Pass a title object, not a title string
1342          */
1343         function makeLinkObj( &$nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
1344                 global $wgOut, $wgUser, $wgLinkHolders;
1345                 $fname = 'Skin::makeLinkObj';
1346                 wfProfileIn( $fname );
1347
1348                 # Fail gracefully
1349                 if ( ! isset($nt) ) {
1350                         # wfDebugDieBacktrace();
1351                         wfProfileOut( $fname );
1352                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1353                 }
1354
1355                 $ns = $nt->getNamespace();
1356                 $dbkey = $nt->getDBkey();
1357                 if ( $nt->isExternal() ) {
1358                         $u = $nt->getFullURL();
1359                         $link = $nt->getPrefixedURL();
1360                         if ( '' == $text ) { $text = $nt->getPrefixedText(); }
1361                         $style = $this->getExternalLinkAttributes( $link, $text, 'extiw' );
1362
1363                         $inside = '';
1364                         if ( '' != $trail ) {
1365                                 if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
1366                                         $inside = $m[1];
1367                                         $trail = $m[2];
1368                                 }
1369                         }
1370                         # Assume $this->postParseLinkColour(). This prevents
1371                         # interwiki links from being parsed as external links.
1372                         global $wgInterwikiLinkHolders;
1373                         $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
1374                         $nr = array_push($wgInterwikiLinkHolders, $t);
1375                         $retVal = '<!--IWLINK '. ($nr-1) ."-->{$trail}";
1376                 } elseif ( 0 == $ns && "" == $dbkey ) {
1377                         # A self-link with a fragment; skip existence check.
1378                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1379                 } elseif ( ( NS_SPECIAL == $ns ) || ( NS_IMAGE == $ns ) ) {
1380                         # These are always shown as existing, currently.
1381                         # Special pages don't exist in the database; images may
1382                         # occasionally be present when there is no description
1383                         # page per se, so we always shown them.
1384                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1385                 } elseif ( $this->postParseLinkColour ) {
1386                         wfProfileIn( $fname.'-postparse' );
1387                         # Insert a placeholder, and we'll work out the existence checks
1388                         # in a big lump later.
1389                         $inside = '';
1390                         if ( '' != $trail ) {
1391                                 if ( preg_match( $this->linktrail, $trail, $m ) ) {
1392                                         $inside = $m[1];
1393                                         $trail = $m[2];
1394                                 }
1395                         }
1396
1397                         # These get picked up by Parser::replaceLinkHolders()
1398                         $nr = array_push( $wgLinkHolders['namespaces'], $nt->getNamespace() );
1399                         $wgLinkHolders['dbkeys'][] = $dbkey;
1400                         $wgLinkHolders['queries'][] = $query;
1401                         $wgLinkHolders['texts'][] = $prefix.$text.$inside;
1402                         $wgLinkHolders['titles'][] =& $nt;
1403
1404                         $retVal = '<!--LINK '. ($nr-1) ."-->{$trail}";
1405                         wfProfileOut( $fname.'-postparse' );
1406                 } else {
1407                         wfProfileIn( $fname.'-immediate' );
1408                         # Work out link colour immediately
1409                         $aid = $nt->getArticleID() ;
1410                         if ( 0 == $aid ) {
1411                                 $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
1412                         } else {
1413                                 $threshold = $wgUser->getOption('stubthreshold') ;
1414                                 if ( $threshold > 0 ) {
1415                                         $dbr =& wfGetDB( DB_SLAVE );
1416                                         $s = $dbr->selectRow( 'cur', array( 'LENGTH(cur_text) AS x', 'cur_namespace',
1417                                                 'cur_is_redirect' ), array( 'cur_id' => $aid ), $fname ) ;
1418                                         if ( $s !== false ) {
1419                                                 $size = $s->x;
1420                                                 if ( $s->cur_is_redirect OR $s->cur_namespace != 0 ) {
1421                                                         $size = $threshold*2 ; # Really big
1422                                                 }
1423                                         } else {
1424                                                 $size = $threshold*2 ; # Really big
1425                                         }
1426                                 } else {
1427                                         $size = 1 ;
1428                                 }
1429                                 if ( $size < $threshold ) {
1430                                         $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
1431                                 } else {
1432                                         $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
1433                                 }
1434                         }
1435                         wfProfileOut( $fname.'-immediate' );
1436                 }
1437                 wfProfileOut( $fname );
1438                 return $retVal;
1439         }
1440
1441         /**
1442          * Pass a title object, not a title string
1443          */
1444         function makeKnownLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '' ) {
1445                 global $wgOut, $wgTitle, $wgInputEncoding;
1446
1447                 $fname = 'Skin::makeKnownLinkObj';
1448                 wfProfileIn( $fname );
1449
1450                 if ( !is_object( $nt ) ) {
1451                         wfProfileIn( $fname );
1452                         return $text;
1453                 }
1454
1455                 $u = $nt->escapeLocalURL( $query );
1456                 if ( '' != $nt->getFragment() ) {
1457                         if( $nt->getPrefixedDbkey() == '' ) {
1458                                 $u = '';
1459                                 if ( '' == $text ) {
1460                                         $text = htmlspecialchars( $nt->getFragment() );
1461                                 }
1462                         }
1463                         $anchor = urlencode( do_html_entity_decode( str_replace(' ', '_', $nt->getFragment()), ENT_COMPAT, $wgInputEncoding ) );
1464                         $replacearray = array(
1465                                 '%3A' => ':',
1466                                 '%' => '.'
1467                         );
1468                         $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
1469                 }
1470                 if ( '' == $text ) {
1471                         $text = htmlspecialchars( $nt->getPrefixedText() );
1472                 }
1473                 $style = $this->getInternalLinkAttributesObj( $nt, $text );
1474
1475                 $inside = '';
1476                 if ( '' != $trail ) {
1477                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1478                                 $inside = $m[1];
1479                                 $trail = $m[2];
1480                         }
1481                 }
1482                 $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
1483                 wfProfileOut( $fname );
1484                 return $r;
1485         }
1486
1487         /**
1488          * Pass a title object, not a title string
1489          */
1490         function makeBrokenLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1491                 # Fail gracefully
1492                 if ( ! isset($nt) ) {
1493                         # wfDebugDieBacktrace();
1494                         return "<!-- ERROR -->{$prefix}{$text}{$trail}";
1495                 }
1496
1497                 $fname = 'Skin::makeBrokenLinkObj';
1498                 wfProfileIn( $fname );
1499
1500                 if ( '' == $query ) {
1501                         $q = 'action=edit';
1502                 } else {
1503                         $q = 'action=edit&'.$query;
1504                 }
1505                 $u = $nt->escapeLocalURL( $q );
1506
1507                 if ( '' == $text ) {
1508                         $text = htmlspecialchars( $nt->getPrefixedText() );
1509                 }
1510                 $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
1511
1512                 $inside = '';
1513                 if ( '' != $trail ) {
1514                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1515                                 $inside = $m[1];
1516                                 $trail = $m[2];
1517                         }
1518                 }
1519                 if ( $this->mOptions['highlightbroken'] ) {
1520                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1521                 } else {
1522                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>?</a>{$trail}";
1523                 }
1524
1525                 wfProfileOut( $fname );
1526                 return $s;
1527         }
1528
1529         /**
1530          * Pass a title object, not a title string
1531          */
1532         function makeStubLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1533                 $link = $nt->getPrefixedURL();
1534
1535                 $u = $nt->escapeLocalURL( $query );
1536
1537                 if ( '' == $text ) {
1538                         $text = htmlspecialchars( $nt->getPrefixedText() );
1539                 }
1540                 $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
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                 if ( $this->mOptions['highlightbroken'] ) {
1550                         $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
1551                 } else {
1552                         $s = "{$prefix}{$text}{$inside}<a href=\"{$u}\"{$style}>!</a>{$trail}";
1553                 }
1554                 return $s;
1555         }
1556
1557         function makeSelfLinkObj( &$nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
1558                 $u = $nt->escapeLocalURL( $query );
1559                 if ( '' == $text ) {
1560                         $text = htmlspecialchars( $nt->getPrefixedText() );
1561                 }
1562                 $inside = '';
1563                 if ( '' != $trail ) {
1564                         if ( preg_match( $this->linktrail, $trail, $m ) ) {
1565                                 $inside = $m[1];
1566                                 $trail = $m[2];
1567                         }
1568                 }
1569                 return "<strong>{$prefix}{$text}{$inside}</strong>{$trail}";
1570         }
1571
1572         /* these are used extensively in SkinPHPTal, but also some other places */
1573         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1574                 $title = Title::makeTitle( NS_SPECIAL, $name );
1575                 $this->checkTitle($title, $name);
1576                 return $title->getLocalURL( $urlaction );
1577         }
1578         /*static*/ function makeTalkUrl ( $name, $urlaction='' ) {
1579                 $title = Title::newFromText( $name );
1580                 $title = $title->getTalkPage();
1581                 $this->checkTitle($title, $name);
1582                 return $title->getLocalURL( $urlaction );
1583         }
1584         /*static*/ function makeArticleUrl ( $name, $urlaction='' ) {
1585                 $title = Title::newFromText( $name );
1586                 $title= $title->getSubjectPage();
1587                 $this->checkTitle($title, $name);
1588                 return $title->getLocalURL( $urlaction );
1589         }
1590         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1591                 $title = Title::newFromText( wfMsgForContent($name) );
1592                 $this->checkTitle($title, $name);
1593                 return $title->getLocalURL( $urlaction );
1594         }
1595         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1596                 $title = Title::newFromText( $name );
1597                 $this->checkTitle($title, $name);
1598                 return $title->getLocalURL( $urlaction );
1599         }
1600
1601         # If url string starts with http, consider as external URL, else
1602         # internal
1603         /*static*/ function makeInternalOrExternalUrl( $name ) {
1604                 if ( strncmp( $name, 'http', 4 ) == 0 ) {
1605                         return $name;
1606                 } else {
1607                         return $this->makeUrl( $name );
1608                 }
1609         }
1610
1611         # this can be passed the NS number as defined in Language.php
1612         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=0 ) {
1613                 $title = Title::makeTitleSafe( $namespace, $name );
1614                 $this->checkTitle($title, $name);
1615                 return $title->getLocalURL( $urlaction );
1616         }
1617
1618         /* these return an array with the 'href' and boolean 'exists' */
1619         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1620                 $title = Title::newFromText( $name );
1621                 $this->checkTitle($title, $name);
1622                 return array(
1623                         'href' => $title->getLocalURL( $urlaction ),
1624                         'exists' => $title->getArticleID() != 0?true:false
1625                 );
1626         }
1627         /*static*/ function makeTalkUrlDetails ( $name, $urlaction='' ) {
1628                 $title = Title::newFromText( $name );
1629                 $title = $title->getTalkPage();
1630                 $this->checkTitle($title, $name);
1631                 return array(
1632                         'href' => $title->getLocalURL( $urlaction ),
1633                         'exists' => $title->getArticleID() != 0?true:false
1634                 );
1635         }
1636         /*static*/ function makeArticleUrlDetails ( $name, $urlaction='' ) {
1637                 $title = Title::newFromText( $name );
1638                 $title= $title->getSubjectPage();
1639                 $this->checkTitle($title, $name);
1640                 return array(
1641                         'href' => $title->getLocalURL( $urlaction ),
1642                         'exists' => $title->getArticleID() != 0?true:false
1643                 );
1644         }
1645         /*static*/ function makeI18nUrlDetails ( $name, $urlaction='' ) {
1646                 $title = Title::newFromText( wfMsgForContent($name) );
1647                 $this->checkTitle($title, $name);
1648                 return array(
1649                         'href' => $title->getLocalURL( $urlaction ),
1650                         'exists' => $title->getArticleID() != 0?true:false
1651                 );
1652         }
1653
1654         # make sure we have some title to operate on
1655         /*static*/ function checkTitle ( &$title, &$name ) {
1656                 if(!is_object($title)) {
1657                         $title = Title::newFromText( $name );
1658                         if(!is_object($title)) {
1659                                 $title = Title::newFromText( '--error: link target missing--' );
1660                         }
1661                 }
1662         }
1663
1664         function fnamePart( $url ) {
1665                 $basename = strrchr( $url, '/' );
1666                 if ( false === $basename ) {
1667                         $basename = $url;
1668                 } else {
1669                         $basename = substr( $basename, 1 );
1670                 }
1671                 return htmlspecialchars( $basename );
1672         }
1673
1674         function makeImage( $url, $alt = '' ) {
1675                 global $wgOut;
1676                 if ( '' == $alt ) {
1677                         $alt = $this->fnamePart( $url );
1678                 }
1679                 $s = '<img src="'.$url.'" alt="'.$alt.'" />';
1680                 return $s;
1681         }
1682
1683         function makeImageLink( $name, $url, $alt = '' ) {
1684                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1685                 return $this->makeImageLinkObj( $nt, $alt );
1686         }
1687
1688         function makeImageLinkObj( $nt, $alt = '' ) {
1689                 global $wgContLang, $wgUseImageResize;
1690                 $img   = Image::newFromTitle( $nt );
1691                 $url   = $img->getViewURL();
1692
1693                 $align = '';
1694                 $prefix = $postfix = '';
1695
1696                 # Check if the alt text is of the form "options|alt text"
1697                 # Options are:
1698                 #  * thumbnail          make a thumbnail with enlarge-icon and caption, alignment depends on lang
1699                 #  * left               no resizing, just left align. label is used for alt= only
1700                 #  * right              same, but right aligned
1701                 #  * none               same, but not aligned
1702                 #  * ___px              scale to ___ pixels width, no aligning. e.g. use in taxobox
1703                 #  * center             center the image
1704                 #  * framed             Keep original image size, no magnify-button.
1705
1706                 $part = explode( '|', $alt);
1707
1708                 $mwThumb  =& MagicWord::get( MAG_IMG_THUMBNAIL );
1709                 $mwLeft   =& MagicWord::get( MAG_IMG_LEFT );
1710                 $mwRight  =& MagicWord::get( MAG_IMG_RIGHT );
1711                 $mwNone   =& MagicWord::get( MAG_IMG_NONE );
1712                 $mwWidth  =& MagicWord::get( MAG_IMG_WIDTH );
1713                 $mwCenter =& MagicWord::get( MAG_IMG_CENTER );
1714                 $mwFramed =& MagicWord::get( MAG_IMG_FRAMED );
1715                 $alt = '';
1716
1717                 $height = $framed = $thumb = false;
1718                 $manual_thumb = "" ;
1719
1720                 foreach( $part as $key => $val ) {
1721                         $val_parts = explode ( "=" , $val , 2 ) ;
1722                         $left_part = array_shift ( $val_parts ) ;
1723                         if ( $wgUseImageResize && ! is_null( $mwThumb->matchVariableStartToEnd($val) ) ) {
1724                                 $thumb=true;
1725                         } elseif ( $wgUseImageResize && count ( $val_parts ) == 1 && ! is_null( $mwThumb->matchVariableStartToEnd($left_part) ) ) {
1726                                 # use manually specified thumbnail
1727                                 $thumb=true;
1728                                 $manual_thumb = array_shift ( $val_parts ) ;
1729                         } elseif ( ! is_null( $mwRight->matchVariableStartToEnd($val) ) ) {
1730                                 # remember to set an alignment, don't render immediately
1731                                 $align = 'right';
1732                         } elseif ( ! is_null( $mwLeft->matchVariableStartToEnd($val) ) ) {
1733                                 # remember to set an alignment, don't render immediately
1734                                 $align = 'left';
1735                         } elseif ( ! is_null( $mwCenter->matchVariableStartToEnd($val) ) ) {
1736                                 # remember to set an alignment, don't render immediately
1737                                 $align = 'center';
1738                         } elseif ( ! is_null( $mwNone->matchVariableStartToEnd($val) ) ) {
1739                                 # remember to set an alignment, don't render immediately
1740                                 $align = 'none';
1741                         } elseif ( $wgUseImageResize && ! is_null( $match = $mwWidth->matchVariableStartToEnd($val) ) ) {
1742                                 # $match is the image width in pixels
1743                                 if ( preg_match( '/^([0-9]*)x([0-9]*)$/', $match, $m ) ) {
1744                                         $width = intval( $m[1] );
1745                                         $height = intval( $m[2] );
1746                                 } else {
1747                                         $width = intval($match);
1748                                 }
1749                         } elseif ( ! is_null( $mwFramed->matchVariableStartToEnd($val) ) ) {
1750                                 $framed=true;
1751                         } else {
1752                                 $alt = $val;
1753                         }
1754                 }
1755                 if ( 'center' == $align )
1756                 {
1757                         $prefix  = '<div class="center">';
1758                         $postfix = '</div>';
1759                         $align   = 'none';
1760                 }
1761
1762                 if ( $thumb || $framed ) {
1763
1764                         # Create a thumbnail. Alignment depends on language
1765                         # writing direction, # right aligned for left-to-right-
1766                         # languages ("Western languages"), left-aligned
1767                         # for right-to-left-languages ("Semitic languages")
1768                         #
1769                         # If  thumbnail width has not been provided, it is set
1770                         # here to 180 pixels
1771                         if ( $align == '' ) {
1772                                 $align = $wgContLang->isRTL() ? 'left' : 'right';
1773                         }
1774                         if ( ! isset($width) ) {
1775                                 $width = 180;
1776                         }
1777                         return $prefix.$this->makeThumbLinkObj( $img, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
1778
1779                 } elseif ( isset($width) ) {
1780
1781                         # Create a resized image, without the additional thumbnail
1782                         # features
1783
1784                         if (    ( ! $height === false )
1785                              && ( $img->getHeight() * $width / $img->getWidth() > $height ) ) {
1786                                 $width = $img->getWidth() * $height / $img->getHeight();
1787                         }
1788                         if ( '' == $manual_thumb ) $url = $img->createThumb( $width );
1789                 }
1790
1791                 $alt = preg_replace( '/<[^>]*>/', '', $alt );
1792                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1793                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1794
1795                 $u = $nt->escapeLocalURL();
1796                 if ( $url == '' ) {
1797                         $s = wfMsg( 'missingimage', $img->getName() );
1798                         $s .= "<br>{$alt}<br>{$url}<br>\n";
1799                 } else {
1800                         $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
1801                                  '<img src="'.$url.'" alt="'.$alt.'" longdesc="'.$u.'" /></a>';
1802                 }
1803                 if ( '' != $align ) {
1804                         $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
1805                 }
1806                 return str_replace("\n", ' ',$prefix.$s.$postfix);
1807         }
1808
1809         /**
1810          * Make HTML for a thumbnail including image, border and caption
1811          * $img is an Image object
1812          */
1813         function makeThumbLinkObj( $img, $label = '', $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
1814                 global $wgStylePath, $wgContLang;
1815                 # $image = Title::makeTitleSafe( NS_IMAGE, $name );
1816                 $url  = $img->getViewURL();
1817
1818                 #$label = htmlspecialchars( $label );
1819                 $alt = preg_replace( '/<[^>]*>/', '', $label);
1820                 $alt = preg_replace('/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/', '&amp;', $alt);
1821                 $alt = str_replace( array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $alt );
1822
1823                 $width = $height = 0;
1824                 if ( $img->exists() )
1825                 {
1826                         $width  = $img->getWidth();
1827                         $height = $img->getHeight();
1828                 }
1829                 if ( 0 == $width || 0 == $height )
1830                 {
1831                         $width = $height = 200;
1832                 }
1833                 if ( $boxwidth == 0 )
1834                 {
1835                         $boxwidth = 200;
1836                 }
1837                 if ( $framed )
1838                 {
1839                         // Use image dimensions, don't scale
1840                         $boxwidth  = $width;
1841                         $oboxwidth = $boxwidth + 2;
1842                         $boxheight = $height;
1843                         $thumbUrl  = $url;
1844                 } else {
1845                         $h  = intval( $height/($width/$boxwidth) );
1846                         $oboxwidth = $boxwidth + 2;
1847                         if ( ( ! $boxheight === false ) &&  ( $h > $boxheight ) )
1848                         {
1849                                 $boxwidth *= $boxheight/$h;
1850                         } else {
1851                                 $boxheight = $h;
1852                         }
1853                         if ( '' == $manual_thumb ) $thumbUrl = $img->createThumb( $boxwidth );
1854                 }
1855
1856                 if ( $manual_thumb != '' ) # Use manually specified thumbnail
1857                 {
1858                         $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
1859                         $manual_img = Image::newFromTitle( $manual_title );
1860                         $thumbUrl = $manual_img->getViewURL();
1861                         if ( $manual_img->exists() )
1862                         {
1863                                 $width  = $manual_img->getWidth();
1864                                 $height = $manual_img->getHeight();
1865                                 $boxwidth = $width ;
1866                                 $boxheight = $height ;
1867                                 $oboxwidth = $boxwidth + 2 ;
1868                         }
1869                 }
1870
1871                 $u = $img->getEscapeLocalURL();
1872
1873                 $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
1874                 $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
1875                 $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
1876
1877                 $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
1878                 if ( $thumbUrl == '' ) {
1879                         $s .= wfMsg( 'missingimage', $img->getName() );
1880                         $zoomicon = '';
1881                 } else {
1882                         $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
1883                                 '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
1884                                 'width="'.$boxwidth.'" height="'.$boxheight.'" ' .
1885                                 'longdesc="'.$u.'" /></a>';
1886                         if ( $framed ) {
1887                                 $zoomicon="";
1888                         } else {
1889                                 $zoomicon =  '<div class="magnify" style="float:'.$magnifyalign.'">'.
1890                                         '<a href="'.$u.'" class="internal" title="'.$more.'">'.
1891                                         '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
1892                                         'width="15" height="11" alt="'.$more.'" /></a></div>';
1893                         }
1894                 }
1895                 $s .= '  <div class="thumbcaption" '.$textalign.'>'.$zoomicon.$label."</div></div></div>";
1896                 return str_replace("\n", ' ', $s);
1897         }
1898
1899         function makeMediaLink( $name, $url, $alt = '' ) {
1900                 $nt = Title::makeTitleSafe( NS_IMAGE, $name );
1901                 return $this->makeMediaLinkObj( $nt, $alt );
1902         }
1903
1904         function makeMediaLinkObj( $nt, $alt = '', $nourl=false ) {
1905                 if ( ! isset( $nt ) )
1906                 {
1907                         ### HOTFIX. Instead of breaking, return empty string.
1908                         $s = $alt;
1909                 } else {
1910                         $name = $nt->getDBKey();
1911                         $img   = Image::newFromTitle( $nt );
1912                         $url = $img->getURL();
1913                         # $nourl can be set by the parser
1914                         # this is a hack to mask absolute URLs, so the parser doesn't
1915                         # linkify them (it is currently not context-aware)
1916                         # 2004-10-25
1917                         if ($nourl) { $url=str_replace("http://","http-noparse://",$url) ; }
1918                         if ( empty( $alt ) ) {
1919                                 $alt = preg_replace( '/\.(.+?)^/', '', $name );
1920                         }
1921                         $u = htmlspecialchars( $url );
1922                         $s = "<a href=\"{$u}\" class='internal' title=\"{$alt}\">{$alt}</a>";
1923                 }
1924                 return $s;
1925         }
1926
1927         function specialLink( $name, $key = '' ) {
1928                 global $wgContLang;
1929
1930                 if ( '' == $key ) { $key = strtolower( $name ); }
1931                 $pn = $wgContLang->ucfirst( $name );
1932                 return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
1933                   wfMsg( $key ) );
1934         }
1935
1936         function makeExternalLink( $url, $text, $escape = true ) {
1937                 $style = $this->getExternalLinkAttributes( $url, $text );
1938                 $url = htmlspecialchars( $url );
1939                 if( $escape ) {
1940                         $text = htmlspecialchars( $text );
1941                 }
1942                 return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
1943         }
1944
1945         /**
1946          * This function is called by all recent changes variants, by the page history,
1947          * and by the user contributions list. It is responsible for formatting edit
1948          * comments. It escapes any HTML in the comment, but adds some CSS to format
1949          * auto-generated comments (from section editing) and formats [[wikilinks]].
1950          *
1951          * The &$title parameter must be a title OBJECT. It is used to generate a
1952          * direct link to the section in the autocomment.
1953          * @author Erik Moeller <moeller@scireview.de>
1954          *
1955          * Note: there's not always a title to pass to this function.
1956          * Since you can't set a default parameter for a reference, I've turned it
1957          * temporarily to a value pass. Should be adjusted further. --brion
1958          */
1959         function formatComment($comment, $title = NULL) {
1960                 $fname = 'Skin::formatComment';
1961                 wfProfileIn( $fname );
1962
1963                 global $wgContLang;
1964                 $comment = htmlspecialchars( $comment );
1965
1966                 # The pattern for autogen comments is / * foo * /, which makes for
1967                 # some nasty regex.
1968                 # We look for all comments, match any text before and after the comment,
1969                 # add a separator where needed and format the comment itself with CSS
1970                 while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
1971                         $pre=$match[1];
1972                         $auto=$match[2];
1973                         $post=$match[3];
1974                         $link='';
1975                         if($title) {
1976                                 $section=$auto;
1977
1978                                 # This is hackish but should work in most cases.
1979                                 $section=str_replace('[[','',$section);
1980                                 $section=str_replace(']]','',$section);
1981                                 $title->mFragment=$section;
1982                                 $link=$this->makeKnownLinkObj($title,wfMsg('sectionlink'));
1983                         }
1984                         $sep='-';
1985                         $auto=$link.$auto;
1986                         if($pre) { $auto = $sep.' '.$auto; }
1987                         if($post) { $auto .= ' '.$sep; }
1988                         $auto='<span class="autocomment">'.$auto.'</span>';
1989                         $comment=$pre.$auto.$post;
1990                 }
1991
1992                 # format regular and media links - all other wiki formatting
1993                 # is ignored
1994                 $medians = $wgContLang->getNsText(Namespace::getMedia()).':';
1995                 while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
1996                         # Handle link renaming [[foo|text]] will show link as "text"
1997                         if( "" != $match[3] ) {
1998                                 $text = $match[3];
1999                         } else {
2000                                 $text = $match[1];
2001                         }
2002                         if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
2003                                 # Media link; trail not supported.
2004                                 $linkRegexp = '/\[\[(.*?)\]\]/';
2005                                 $thelink = $this->makeMediaLink( $submatch[1], "", $text );
2006                         } else {
2007                                 # Other kind of link
2008                                 if( preg_match( wfMsgForContent( "linktrail" ), $match[4], $submatch ) ) {
2009                                         $trail = $submatch[1];
2010                                 } else {
2011                                         $trail = "";
2012                                 }
2013                                 $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
2014                                 if ($match[1][0] == ':')
2015                                         $match[1] = substr($match[1], 1);
2016                                 $thelink = $this->makeLink( $match[1], $text, "", $trail );
2017                         }
2018                         $comment = preg_replace( $linkRegexp, $thelink, $comment, 1 );
2019                 }
2020                 wfProfileOut( $fname );
2021                 return $comment;
2022         }
2023
2024         function tocIndent($level) {
2025                 return str_repeat( '<div class="tocindent">'."\n", $level>0 ? $level : 0 );
2026         }
2027
2028         function tocUnindent($level) {
2029                 return str_repeat( "</div>\n", $level>0 ? $level : 0 );
2030         }
2031
2032         /**
2033          * parameter level defines if we are on an indentation level
2034          */
2035         function tocLine( $anchor, $tocline, $level ) {
2036                 $link = '<a href="#'.$anchor.'">'.$tocline.'</a><br />';
2037                 if($level) {
2038                         return $link."\n";
2039                 } else {
2040                         return '<div class="tocline">'.$link."</div>\n";
2041                 }
2042
2043         }
2044
2045         function tocTable($toc) {
2046                 # note to CSS fanatics: putting this in a div does not work -- div won't auto-expand
2047                 # try min-width & co when somebody gets a chance
2048                 $hideline = ' <script type="text/javascript">showTocToggle("' . addslashes( wfMsg('showtoc') ) . '","' . addslashes( wfMsg('hidetoc') ) . '")</script>';
2049                 return
2050                 '<table border="0" id="toc"><tr id="toctitle"><td align="center">'."\n".
2051                 '<b>'.wfMsgForContent('toc').'</b>' .
2052                 $hideline .
2053                 '</td></tr><tr id="tocinside"><td>'."\n".
2054                 $toc."</td></tr></table>\n";
2055         }
2056
2057         /**
2058          * These two do not check for permissions: check $wgTitle->userCanEdit
2059          * before calling them
2060          */
2061         function editSectionScriptForOther( $title, $section, $head ) {
2062                 $ttl = Title::newFromText( $title );
2063                 $url = $ttl->escapeLocalURL( 'action=edit&section='.$section );
2064                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2065         }
2066
2067         function editSectionScript( $nt, $section, $head ) {
2068                 global $wgRequest;
2069                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2070                         return $head;
2071                 }
2072                 $url = $nt->escapeLocalURL( 'action=edit&section='.$section );
2073                 return '<span oncontextmenu=\'document.location="'.$url.'";return false;\'>'.$head.'</span>';
2074         }
2075
2076         function editSectionLinkForOther( $title, $section ) {
2077                 global $wgRequest;
2078                 global $wgContLang;
2079
2080                 $title = Title::newFromText($title);
2081                 $editurl = '&section='.$section;
2082                 $url = $this->makeKnownLink($title->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2083
2084                 if( $wgContLang->isRTL() ) {
2085                         $farside = 'left';
2086                         $nearside = 'right';
2087                 } else {
2088                         $farside = 'right';
2089                         $nearside = 'left';
2090                 }
2091                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2092
2093         }
2094
2095         function editSectionLink( $nt, $section ) {
2096                 global $wgRequest;
2097                 global $wgContLang;
2098
2099                 if( $wgRequest->getInt( 'oldid' ) && ( $wgRequest->getVal( 'diff' ) != '0' ) ) {
2100                         # Section edit links would be out of sync on an old page.
2101                         # But, if we're diffing to the current page, they'll be
2102                         # correct.
2103                         return '';
2104                 }
2105
2106                 $editurl = '&section='.$section;
2107                 $url = $this->makeKnownLink($nt->getPrefixedText(),wfMsg('editsection'),'action=edit'.$editurl);
2108
2109                 if( $wgContLang->isRTL() ) {
2110                         $farside = 'left';
2111                         $nearside = 'right';
2112                 } else {
2113                         $farside = 'right';
2114                         $nearside = 'left';
2115                 }
2116                 return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
2117
2118         }
2119
2120         /**
2121          * @access public
2122          */
2123         function suppressUrlExpansion() {
2124                 return false;
2125         }
2126 }
2127
2128 }
2129 ?>