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.txt
  15 require_once( 'Linker.php' );
  16 require_once( 'Image.php' );
  17
  18 # Get a list of all skins available in /skins/
  19 # Build using the regular expression '^(.*).php$'
  20 # Array keys are all lower case, array value keep the case used by filename
  21 #
  22
  23 $skinDir = dir($IP.'/skins');
  24
  25 # while code from www.php.net
  26 while (false !== ($file = $skinDir->read())) {
  27         if(preg_match('/^([^.].*)\.php$/',$file, $matches)) {
  28                 $aSkin = $matches[1];
  29                 $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  30         }
  31 }
  32 $skinDir->close();
  33 unset($matches);
  34
  35 require_once( 'RecentChange.php' );
  36
  37 /**
  38  * @todo document
  39  * @package MediaWiki
  40  */
  41 class RCCacheEntry extends RecentChange
  42 {
  43         var $secureName, $link;
  44         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  45         var $userlink, $timestamp, $watched;
  46
  47         function newFromParent( $rc )
  48         {
  49                 $rc2 = new RCCacheEntry;
  50                 $rc2->mAttribs = $rc->mAttribs;
  51                 $rc2->mExtra = $rc->mExtra;
  52                 return $rc2;
  53         }
  54 } ;
  55
  56
  57 /**
  58  * The main skin class that provide methods and properties for all other skins
  59  * including PHPTal skins.
  60  * This base class is also the "Standard" skin.
  61  * @package MediaWiki
  62  */
  63 class Skin extends Linker {
  64         /**#@+
  65          * @access private
  66          */
  67         var $lastdate, $lastline;
  68         var $rc_cache ; # Cache for Enhanced Recent Changes
  69         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  70         var $rcMoveIndex;
  71         /**#@-*/
  72
  73         /** Constructor, call parent constructor */
  74         function Skin() { parent::Linker(); }
  75
  76         function getSkinNames() {
  77                 global $wgValidSkinNames;
  78                 return $wgValidSkinNames;
  79         }
  80
  81         /** @return string path to the skin stylesheet */
  82         function getStylesheet() { return 'common/wikistandard.css?1'; }
  83
  84         /** @return string skin name */
  85         function getSkinName() {
  86                 return 'standard';
  87         }
  88
  89         function qbSetting() {
  90                 global $wgOut, $wgUser;
  91
  92                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
  93                 $q = $wgUser->getOption( 'quickbar' );
  94                 if ( '' == $q ) { $q = 0; }
  95                 return $q;
  96         }
  97
  98         function initPage( &$out ) {
  99                 $fname = 'Skin::initPage';
 100                 wfProfileIn( $fname );
 101
 102                 $out->addLink( array( 'rel' => 'shortcut icon', 'href' => '/favicon.ico' ) );
 103
 104                 $this->addMetadataLinks($out);
 105
 106                 $this->mRevisionId = $out->mRevisionId;
 107
 108                 wfProfileOut( $fname );
 109         }
 110
 111         function addMetadataLinks( &$out ) {
 112                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 113                 global $wgRightsPage, $wgRightsUrl;
 114
 115                 if( $out->isArticleRelated() ) {
 116                         # note: buggy CC software only reads first "meta" link
 117                         if( $wgEnableCreativeCommonsRdf ) {
 118                                 $out->addMetadataLink( array(
 119                                         'title' => 'Creative Commons',
 120                                         'type' => 'application/rdf+xml',
 121                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 122                         }
 123                         if( $wgEnableDublinCoreRdf ) {
 124                                 $out->addMetadataLink( array(
 125                                         'title' => 'Dublin Core',
 126                                         'type' => 'application/rdf+xml',
 127                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 128                         }
 129                 }
 130                 $copyright = '';
 131                 if( $wgRightsPage ) {
 132                         $copy = Title::newFromText( $wgRightsPage );
 133                         if( $copy ) {
 134                                 $copyright = $copy->getLocalURL();
 135                         }
 136                 }
 137                 if( !$copyright && $wgRightsUrl ) {
 138                         $copyright = $wgRightsUrl;
 139                 }
 140                 if( $copyright ) {
 141                         $out->addLink( array(
 142                                 'rel' => 'copyright',
 143                                 'href' => $copyright ) );
 144                 }
 145         }
 146
 147         function outputPage( &$out ) {
 148                 global $wgDebugComments;
 149
 150                 wfProfileIn( 'Skin::outputPage' );
 151                 $this->initPage( $out );
 152
 153                 $out->out( $out->headElement() );
 154
 155                 $out->out( "\n<body" );
 156                 $ops = $this->getBodyOptions();
 157                 foreach ( $ops as $name => $val ) {
 158                         $out->out( " $name='$val'" );
 159                 }
 160                 $out->out( ">\n" );
 161                 if ( $wgDebugComments ) {
 162                         $out->out( "<!-- Wiki debugging output:\n" .
 163                           $out->mDebugtext . "-->\n" );
 164                 }
 165
 166                 $out->out( $this->beforeContent() );
 167
 168                 $out->out( $out->mBodytext . "\n" );
 169
 170                 $out->out( $this->afterContent() );
 171
 172                 wfProfileClose();
 173                 $out->out( $out->reportTime() );
 174
 175                 $out->out( "\n</body></html>" );
 176         }
 177
 178         function getHeadScripts() {
 179                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType;
 180                 $r = "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js\"></script>\n";
 181                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 182                         $userpage = $wgUser->getUserPage();
 183                         $userjs = htmlspecialchars( $this->makeUrl(
 184                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 185                                 'action=raw&ctype='.$wgJsMimeType));
 186                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 187                 }
 188                 return $r;
 189         }
 190
 191         /**
 192          * To make it harder for someone to slip a user a fake
 193          * user-JavaScript or user-CSS preview, a random token
 194          * is associated with the login session. If it's not
 195          * passed back with the preview request, we won't render
 196          * the code.
 197          *
 198          * @param string $action
 199          * @return bool
 200          * @access private
 201          */
 202         function userCanPreview( $action ) {
 203                 global $wgTitle, $wgRequest, $wgUser;
 204
 205                 if( $action != 'submit' )
 206                         return false;
 207                 if( !$wgRequest->wasPosted() )
 208                         return false;
 209                 if( !$wgTitle->userCanEditCssJsSubpage() )
 210                         return false;
 211                 return $wgUser->matchEditToken(
 212                         $wgRequest->getVal( 'wpEditToken' ) );
 213         }
 214
 215         # get the user/site-specific stylesheet, SkinPHPTal called from RawPage.php (settings are cached that way)
 216         function getUserStylesheet() {
 217                 global $wgOut, $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage;
 218                 $sheet = $this->getStylesheet();
 219                 $action = $wgRequest->getText('action');
 220                 $s = "@import \"$wgStylePath/$sheet\";\n";
 221                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css\";\n";
 222
 223                 $query = "action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 224                 $s .= '@import "' . $this->makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 225                         '@import "'.$this->makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 226
 227                 $s .= $this->doGetUserStyles();
 228                 return $s."\n";
 229         }
 230
 231         /**
 232          * placeholder, returns generated js in monobook
 233          */
 234         function getUserJs() { return; }
 235
 236         /**
 237          * Return html code that include User stylesheets
 238          */
 239         function getUserStyles() {
 240                 global $wgOut, $wgStylePath;
 241                 $s = "<style type='text/css'>\n";
 242                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 243                 $s .= $this->getUserStylesheet();
 244                 $s .= "/*]]>*/ /* */\n";
 245                 $s .= "</style>\n";
 246                 return $s;
 247         }
 248
 249         /**
 250          * Some styles that are set by user through the user settings interface.
 251          */
 252         function doGetUserStyles() {
 253                 global $wgUser, $wgContLang, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 254
 255                 $s = '';
 256
 257                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 258                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
 259                                 $s .= $wgRequest->getText('wpTextbox1');
 260                         } else {
 261                                 $userpage = $wgUser->getUserPage();
 262                                 $s.= '@import "'.$this->makeUrl(
 263                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 264                                         'action=raw&ctype=text/css').'";'."\n";
 265                         }
 266                 }
 267
 268                 return $s . $this->reallyDoGetUserStyles();
 269         }
 270
 271         function reallyDoGetUserStyles() {
 272                 global $wgUser;
 273                 $s = '';
 274                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 275                         $underline = $undopt ? 'underline' : 'none';
 276                         $s .= "a { text-decoration: $underline; }\n";
 277                 }
 278                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 279                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 280                 } else {
 281                         $s .= <<<END
 282 a.new, #quickbar a.new,
 283 a.stub, #quickbar a.stub {
 284         color: inherit;
 285         text-decoration: inherit;
 286 }
 287 a.new:after, #quickbar a.new:after {
 288         content: "?";
 289         color: #CC2200;
 290         text-decoration: $underline;
 291 }
 292 a.stub:after, #quickbar a.stub:after {
 293         content: "!";
 294         color: #772233;
 295         text-decoration: $underline;
 296 }
 297 END;
 298                 }
 299                 if( $wgUser->getOption( 'justify' ) ) {
 300                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 301                 }
 302                 if( !$wgUser->getOption( 'showtoc' ) ) {
 303                         $s .= "#toc { display: none; }\n";
 304                 }
 305                 if( !$wgUser->getOption( 'editsection' ) ) {
 306                         $s .= ".editsection { display: none; }\n";
 307                 }
 308                 return $s;
 309         }
 310
 311         function getBodyOptions() {
 312                 global $wgUser, $wgTitle, $wgOut, $wgRequest;
 313
 314                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 315
 316                 if ( 0 != $wgTitle->getNamespace() ) {
 317                         $a = array( 'bgcolor' => '#ffffec' );
 318                 }
 319                 else $a = array( 'bgcolor' => '#FFFFFF' );
 320                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 321                   $wgTitle->userCanEdit() ) {
 322                         $t = wfMsg( 'editthispage' );
 323                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 324                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 325                         $a += array ('ondblclick' => $s);
 326
 327                 }
 328                 $a['onload'] = $wgOut->getOnloadHandler();
 329                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 330                         if( $a['onload'] != '' ) {
 331                                 $a['onload'] .= ';';
 332                         }
 333                         $a['onload'] .= 'setupRightClickEdit()';
 334                 }
 335                 return $a;
 336         }
 337
 338         /**
 339          * URL to the logo
 340          */
 341         function getLogo() {
 342                 global $wgLogo;
 343                 return $wgLogo;
 344         }
 345
 346         /**
 347          * This will be called immediately after the <body> tag.  Split into
 348          * two functions to make it easier to subclass.
 349          */
 350         function beforeContent() {
 351                 return $this->doBeforeContent();
 352         }
 353
 354         function doBeforeContent() {
 355                 global $wgOut, $wgTitle, $wgContLang;
 356                 $fname = 'Skin::doBeforeContent';
 357                 wfProfileIn( $fname );
 358
 359                 $s = '';
 360                 $qb = $this->qbSetting();
 361
 362                 if( $langlinks = $this->otherLanguages() ) {
 363                         $rows = 2;
 364                         $borderhack = '';
 365                 } else {
 366                         $rows = 1;
 367                         $langlinks = false;
 368                         $borderhack = 'class="top"';
 369                 }
 370
 371                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 372                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 373
 374                 $shove = ($qb != 0);
 375                 $left = ($qb == 1 || $qb == 3);
 376                 if($wgContLang->isRTL()) $left = !$left;
 377
 378                 if ( !$shove ) {
 379                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 380                           $this->logoText() . '</td>';
 381                 } elseif( $left ) {
 382                         $s .= $this->getQuickbarCompensator( $rows );
 383                 }
 384                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 385                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 386
 387                 $s .= $this->topLinks() ;
 388                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 389
 390                 $r = $wgContLang->isRTL() ? "left" : "right";
 391                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 392                 $s .= $this->nameAndLogin();
 393                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 394
 395                 if ( $langlinks ) {
 396                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 397                 }
 398
 399                 if ( $shove && !$left ) { # Right
 400                         $s .= $this->getQuickbarCompensator( $rows );
 401                 }
 402                 $s .= "</tr>\n</table>\n</div>\n";
 403                 $s .= "\n<div id='article'>\n";
 404
 405                 $notice = wfGetSiteNotice();
 406                 if( $notice ) {
 407                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 408                 }
 409                 $s .= $this->pageTitle();
 410                 $s .= $this->pageSubtitle() ;
 411                 $s .= $this->getCategories();
 412                 wfProfileOut( $fname );
 413                 return $s;
 414         }
 415
 416
 417         function getCategoryLinks () {
 418                 global $wgOut, $wgTitle, $wgUseCategoryMagic, $wgUseCategoryBrowser;
 419                 global $wgContLang;
 420
 421                 if( !$wgUseCategoryMagic ) return '' ;
 422                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 423
 424                 // Use Unicode bidi embedding override characters,
 425                 // to make sure links don't smash each other up in ugly ways.
 426                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 427                 $embed = "<span dir='$dir'>";
 428                 $pop = '</span>';
 429                 $t = $embed . implode ( "$pop | $embed" , $wgOut->mCategoryLinks ) . $pop;
 430
 431                 $msg = count( $wgOut->mCategoryLinks ) === 1 ? 'categories1' : 'categories';
 432                 $s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
 433                         wfMsg( $msg ), 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
 434                         . ': ' . $t;
 435
 436                 # optional 'dmoz-like' category browser. Will be shown under the list
 437                 # of categories an article belong to
 438                 if($wgUseCategoryBrowser) {
 439                         $s .= '<br /><hr />';
 440
 441                         # get a big array of the parents tree
 442                         $parenttree = $wgTitle->getParentCategoryTree();
 443                         # Skin object passed by reference cause it can not be
 444                         # accessed under the method subfunction drawCategoryBrowser
 445                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 446                         # Clean out bogus first entry and sort them
 447                         unset($tempout[0]);
 448                         asort($tempout);
 449                         # Output one per line
 450                         $s .= implode("<br />\n", $tempout);
 451                 }
 452
 453                 return $s;
 454         }
 455
 456         /** Render the array as a serie of links.
 457          * @param array $tree Categories tree returned by Title::getParentCategoryTree
 458          * @param object &skin Skin passed by reference
 459          * @return string separated by &gt;, terminate with "\n"
 460          */
 461         function drawCategoryBrowser($tree, &$skin) {
 462                 $return = '';
 463                 foreach ($tree as $element => $parent) {
 464                         if (empty($parent)) {
 465                                 # element start a new list
 466                                 $return .= "\n";
 467                         } else {
 468                                 # grab the others elements
 469                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 470                         }
 471                         # add our current element to the list
 472                         $eltitle = Title::NewFromText($element);
 473                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 474                 }
 475                 return $return;
 476         }
 477
 478         function getCategories() {
 479                 $catlinks=$this->getCategoryLinks();
 480                 if(!empty($catlinks)) {
 481                         return "<p class='catlinks'>{$catlinks}</p>";
 482                 }
 483         }
 484
 485         function getQuickbarCompensator( $rows = 1 ) {
 486                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 487         }
 488
 489         /**
 490          * This gets called immediately before the </body> tag.
 491          * @return string HTML to be put after </body> ???
 492          */
 493         function afterContent() {
 494                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 495                 return $printfooter . $this->doAfterContent();
 496         }
 497
 498         /** @return string Retrievied from HTML text */
 499         function printSource() {
 500                 global $wgTitle;
 501                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 502                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 503         }
 504
 505         function printFooter() {
 506                 return "<p>" .  $this->printSource() .
 507                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 508         }
 509
 510         /** overloaded by derived classes */
 511         function doAfterContent() { }
 512
 513         function pageTitleLinks() {
 514                 global $wgOut, $wgTitle, $wgUser, $wgContLang, $wgRequest;
 515
 516                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 517                 $action = $wgRequest->getText( 'action' );
 518
 519                 $s = $this->printableLink();
 520                 $disclaimer = $this->disclaimerLink(); # may be empty
 521                 if( $disclaimer ) {
 522                         $s .= ' | ' . $disclaimer;
 523                 }
 524                 $privacy = $this->privacyLink(); # may be empty too
 525                 if( $privacy ) {
 526                         $s .= ' | ' . $privacy;
 527                 }
 528
 529                 if ( $wgOut->isArticleRelated() ) {
 530                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 531                                 $name = $wgTitle->getDBkey();
 532                                 $image = new Image( $wgTitle );
 533                                 if( $image->exists() ) {
 534                                         $link = htmlspecialchars( $image->getURL() );
 535                                         $style = $this->getInternalLinkAttributes( $link, $name );
 536                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 537                                 }
 538                         }
 539                 }
 540                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 541                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 542                                         wfMsg( 'currentrev' ) );
 543                 }
 544
 545                 if ( $wgUser->getNewtalk() ) {
 546                 # do not show "You have new messages" text when we are viewing our
 547                 # own talk page
 548
 549                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 550                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 551                                                 wfMsg('newmessageslink') );
 552                                 $s.= ' | <strong>'. wfMsg( 'newmessages', $tl ) . '</strong>';
 553                                 # disable caching
 554                                 $wgOut->setSquidMaxage(0);
 555                                 $wgOut->enableClientCache(false);
 556                         }
 557                 }
 558
 559                 $undelete = $this->getUndeleteLink();
 560                 if( !empty( $undelete ) ) {
 561                         $s .= ' | '.$undelete;
 562                 }
 563                 return $s;
 564         }
 565
 566         function getUndeleteLink() {
 567                 global $wgUser, $wgTitle, $wgContLang, $action;
 568                 if(     (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 569                         ($n = $wgTitle->isDeleted() ) )
 570                 {
 571                         if ( $wgUser->isAllowed( 'delete' ) ) {
 572                                 $msg = 'thisisdeleted';
 573                         } else {
 574                                 $msg = 'viewdeleted';
 575                         }
 576                         return wfMsg( $msg,
 577                                 $this->makeKnownLink(
 578                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 579                                         wfMsg( 'restorelink' . ($n == 1 ? '1' : ''), $n ) ) );
 580                 }
 581                 return '';
 582         }
 583
 584         function printableLink() {
 585                 global $wgOut, $wgFeedClasses, $wgRequest;
 586
 587                 $baseurl = $_SERVER['REQUEST_URI'];
 588                 if( strpos( '?', $baseurl ) == false ) {
 589                         $baseurl .= '?';
 590                 } else {
 591                         $baseurl .= '&';
 592                 }
 593                 $baseurl = htmlspecialchars( $baseurl );
 594                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 595
 596                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 597                 if( $wgOut->isSyndicated() ) {
 598                         foreach( $wgFeedClasses as $format => $class ) {
 599                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 600                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 601                         }
 602                 }
 603                 return $s;
 604         }
 605
 606         function pageTitle() {
 607                 global $wgOut, $wgTitle, $wgUser;
 608
 609                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 610                 return $s;
 611         }
 612
 613         function pageSubtitle() {
 614                 global $wgOut;
 615
 616                 $sub = $wgOut->getSubtitle();
 617                 if ( '' == $sub ) {
 618                         global $wgExtraSubtitle;
 619                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 620                 }
 621                 $subpages = $this->subPageSubtitle();
 622                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 623                 $s = "<p class='subtitle'>{$sub}</p>\n";
 624                 return $s;
 625         }
 626
 627         function subPageSubtitle() {
 628                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 629                 $subpages = '';
 630                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 631                         $ptext=$wgTitle->getPrefixedText();
 632                         if(preg_match('/\//',$ptext)) {
 633                                 $links = explode('/',$ptext);
 634                                 $c = 0;
 635                                 $growinglink = '';
 636                                 foreach($links as $link) {
 637                                         $c++;
 638                                         if ($c<count($links)) {
 639                                                 $growinglink .= $link;
 640                                                 $getlink = $this->makeLink( $growinglink, $link );
 641                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 642                                                 if ($c>1) {
 643                                                         $subpages .= ' | ';
 644                                                 } else  {
 645                                                         $subpages .= '&lt; ';
 646                                                 }
 647                                                 $subpages .= $getlink;
 648                                                 $growinglink .= '/';
 649                                         }
 650                                 }
 651                         }
 652                 }
 653                 return $subpages;
 654         }
 655
 656         function nameAndLogin() {
 657                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 658
 659                 $li = $wgContLang->specialPage( 'Userlogin' );
 660                 $lo = $wgContLang->specialPage( 'Userlogout' );
 661
 662                 $s = '';
 663                 if ( $wgUser->isAnon() ) {
 664                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 665                                 $n = wfGetIP();
 666
 667                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 668                                   $wgLang->getNsText( NS_TALK ) );
 669
 670                                 $s .= $n . ' ('.$tl.')';
 671                         } else {
 672                                 $s .= wfMsg('notloggedin');
 673                         }
 674
 675                         $rt = $wgTitle->getPrefixedURL();
 676                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 677                                 $q = '';
 678                         } else { $q = "returnto={$rt}"; }
 679
 680                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 681                                 Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
 682                                 wfMsg( 'login' ), $q );
 683                 } else {
 684                         $n = $wgUser->getName();
 685                         $rt = $wgTitle->getPrefixedURL();
 686                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 687                           $wgLang->getNsText( NS_TALK ) );
 688
 689                         $tl = " ({$tl})";
 690
 691                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 692                           $n ) . "{$tl}<br />" .
 693                           $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
 694                           "returnto={$rt}" ) . ' | ' .
 695                           $this->specialLink( 'preferences' );
 696                 }
 697                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 698                   wfMsg( 'help' ) );
 699
 700                 return $s;
 701         }
 702
 703         function getSearchLink() {
 704                 $searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
 705                 return $searchPage->getLocalURL();
 706         }
 707
 708         function escapeSearchLink() {
 709                 return htmlspecialchars( $this->getSearchLink() );
 710         }
 711
 712         function searchForm() {
 713                 global $wgRequest;
 714                 $search = $wgRequest->getText( 'search' );
 715
 716                 $s = '<form name="search" class="inline" method="post" action="'
 717                   . $this->escapeSearchLink() . "\">\n"
 718                   . '<input type="text" name="search" size="19" value="'
 719                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 720                   . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
 721                   . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";
 722
 723                 return $s;
 724         }
 725
 726         function topLinks() {
 727                 global $wgOut;
 728                 $sep = " |\n";
 729
 730                 $s = $this->mainPageLink() . $sep
 731                   . $this->specialLink( 'recentchanges' );
 732
 733                 if ( $wgOut->isArticleRelated() ) {
 734                         $s .=  $sep . $this->editThisPage()
 735                           . $sep . $this->historyLink();
 736                 }
 737                 # Many people don't like this dropdown box
 738                 #$s .= $sep . $this->specialPagesList();
 739
 740                 /* show links to different language variants */
 741                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 742                 $variants = $wgContLang->getVariants();
 743                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 744                         foreach( $variants as $code ) {
 745                                 $varname = $wgContLang->getVariantname( $code );
 746                                 if( $varname == 'disable' )
 747                                         continue;
 748                                 $s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
 749                         }
 750                 }
 751
 752                 return $s;
 753         }
 754
 755         function bottomLinks() {
 756                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 757                 $sep = " |\n";
 758
 759                 $s = '';
 760                 if ( $wgOut->isArticleRelated() ) {
 761                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 762                         if ( $wgUser->isLoggedIn() ) {
 763                                 $s .= $sep . $this->watchThisPage();
 764                         }
 765                         $s .= $sep . $this->talkLink()
 766                           . $sep . $this->historyLink()
 767                           . $sep . $this->whatLinksHere()
 768                           . $sep . $this->watchPageLinksLink();
 769
 770                         if ($wgUseTrackbacks)
 771                                 $s .= $sep . $this->trackbackLink();
 772
 773                         if ( $wgTitle->getNamespace() == NS_USER
 774                             || $wgTitle->getNamespace() == NS_USER_TALK )
 775
 776                         {
 777                                 $id=User::idFromName($wgTitle->getText());
 778                                 $ip=User::isIP($wgTitle->getText());
 779
 780                                 if($id || $ip) { # both anons and non-anons have contri list
 781                                         $s .= $sep . $this->userContribsLink();
 782                                 }
 783                                 if( $this->showEmailUser( $id ) ) {
 784                                         $s .= $sep . $this->emailUserLink();
 785                                 }
 786                         }
 787                         if ( $wgTitle->getArticleId() ) {
 788                                 $s .= "\n<br />";
 789                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
 790                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
 791                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
 792                         }
 793                         $s .= "<br />\n" . $this->otherLanguages();
 794                 }
 795                 return $s;
 796         }
 797
 798         function pageStats() {
 799                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
 800                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
 801
 802                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 803                 if ( ! $wgOut->isArticle() ) { return ''; }
 804                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
 805                 if ( 0 == $wgArticle->getID() ) { return ''; }
 806
 807                 $s = '';
 808                 if ( !$wgDisableCounters ) {
 809                         $count = $wgLang->formatNum( $wgArticle->getCount() );
 810                         if ( $count ) {
 811                                 $s = wfMsg( 'viewcount', $count );
 812                         }
 813                 }
 814
 815                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
 816                     require_once('Credits.php');
 817                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
 818                 } else {
 819                     $s .= $this->lastModified();
 820                 }
 821
 822                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
 823                         $dbr =& wfGetDB( DB_SLAVE );
 824                         extract( $dbr->tableNames( 'watchlist' ) );
 825                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
 826                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
 827                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
 828                         $res = $dbr->query( $sql, 'Skin::pageStats');
 829                         $x = $dbr->fetchObject( $res );
 830                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
 831                 }
 832
 833                 return $s . ' ' .  $this->getCopyright();
 834         }
 835
 836         function getCopyright() {
 837                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
 838
 839
 840                 $oldid = $wgRequest->getVal( 'oldid' );
 841                 $diff = $wgRequest->getVal( 'diff' );
 842
 843                 if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
 844                         $msg = 'history_copyright';
 845                 } else {
 846                         $msg = 'copyright';
 847                 }
 848
 849                 $out = '';
 850                 if( $wgRightsPage ) {
 851                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
 852                 } elseif( $wgRightsUrl ) {
 853                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
 854                 } else {
 855                         # Give up now
 856                         return $out;
 857                 }
 858                 $out .= wfMsgForContent( $msg, $link );
 859                 return $out;
 860         }
 861
 862         function getCopyrightIcon() {
 863                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
 864                 $out = '';
 865                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
 866                         $out = $wgCopyrightIcon;
 867                 } else if ( $wgRightsIcon ) {
 868                         $icon = htmlspecialchars( $wgRightsIcon );
 869                         if ( $wgRightsUrl ) {
 870                                 $url = htmlspecialchars( $wgRightsUrl );
 871                                 $out .= '<a href="'.$url.'">';
 872                         }
 873                         $text = htmlspecialchars( $wgRightsText );
 874                         $out .= "<img src=\"$icon\" alt='$text' />";
 875                         if ( $wgRightsUrl ) {
 876                                 $out .= '</a>';
 877                         }
 878                 }
 879                 return $out;
 880         }
 881
 882         function getPoweredBy() {
 883                 global $wgStylePath;
 884                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
 885                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
 886                 return $img;
 887         }
 888
 889         function lastModified() {
 890                 global $wgLang, $wgArticle, $wgLoadBalancer;
 891
 892                 $timestamp = $wgArticle->getTimestamp();
 893                 if ( $timestamp ) {
 894                         $d = $wgLang->timeanddate( $timestamp, true );
 895                         $s = ' ' . wfMsg( 'lastmodified', $d );
 896                 } else {
 897                         $s = '';
 898                 }
 899                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
 900                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
 901                 }
 902                 return $s;
 903         }
 904
 905         function logoText( $align = '' ) {
 906                 if ( '' != $align ) { $a = " align='{$align}'"; }
 907                 else { $a = ''; }
 908
 909                 $mp = wfMsg( 'mainpage' );
 910                 $titleObj = Title::newFromText( $mp );
 911                 if ( is_object( $titleObj ) ) {
 912                         $url = $titleObj->escapeLocalURL();
 913                 } else {
 914                         $url = '';
 915                 }
 916
 917                 $logourl = $this->getLogo();
 918                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
 919                 return $s;
 920         }
 921
 922         /**
 923          * show a drop-down box of special pages
 924          * @TODO crash bug913. Need to be rewrote completly.
 925          */
 926         function specialPagesList() {
 927                 global $wgUser, $wgOut, $wgContLang, $wgServer, $wgRedirectScript, $wgAvailableRights;
 928                 require_once('SpecialPage.php');
 929                 $a = array();
 930                 $pages = SpecialPage::getPages();
 931
 932                 // special pages without access restriction
 933                 foreach ( $pages[''] as $name => $page ) {
 934                         $a[$name] = $page->getDescription();
 935                 }
 936
 937                 // Other special pages that are restricted.
 938                 // Copied from SpecialSpecialpages.php
 939                 foreach($wgAvailableRights as $right) {
 940                         if( $wgUser->isAllowed($right) ) {
 941                                 /** Add all pages for this right */
 942                                 if(isset($pages[$right])) {
 943                                         foreach($pages[$right] as $name => $page) {
 944                                         $a[$name] = $page->getDescription();
 945                                         }
 946                                 }
 947                         }
 948                 }
 949
 950                 $go = wfMsg( 'go' );
 951                 $sp = wfMsg( 'specialpages' );
 952                 $spp = $wgContLang->specialPage( 'Specialpages' );
 953
 954                 $s = '<form id="specialpages" method="get" class="inline" ' .
 955                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
 956                 $s .= "<select name=\"wpDropdown\">\n";
 957                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
 958
 959
 960                 foreach ( $a as $name => $desc ) {
 961                         $p = $wgContLang->specialPage( $name );
 962                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
 963                 }
 964                 $s .= "</select>\n";
 965                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
 966                 $s .= "</form>\n";
 967                 return $s;
 968         }
 969
 970         function mainPageLink() {
 971                 $mp = wfMsgForContent( 'mainpage' );
 972                 $mptxt = wfMsg( 'mainpage');
 973                 $s = $this->makeKnownLink( $mp, $mptxt );
 974                 return $s;
 975         }
 976
 977         function copyrightLink() {
 978                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
 979                   wfMsg( 'copyrightpagename' ) );
 980                 return $s;
 981         }
 982
 983         function privacyLink() {
 984                 $privacy = wfMsg( 'privacy' );
 985                 if ($privacy == '-') {
 986                         return '';
 987                 } else {
 988                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
 989                 }
 990         }
 991
 992         function aboutLink() {
 993                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
 994                   wfMsg( 'aboutsite' ) );
 995                 return $s;
 996         }
 997
 998         function disclaimerLink() {
 999                 $disclaimers = wfMsg( 'disclaimers' );
1000                 if ($disclaimers == '-') {
1001                         return '';
1002                 } else {
1003                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1004                                                      $disclaimers );
1005                 }
1006         }
1007
1008         function editThisPage() {
1009                 global $wgOut, $wgTitle, $wgRequest;
1010
1011                 if ( ! $wgOut->isArticleRelated() ) {
1012                         $s = wfMsg( 'protectedpage' );
1013                 } else {
1014                         if ( $wgTitle->userCanEdit() ) {
1015                                 $t = wfMsg( 'editthispage' );
1016                         } else {
1017                                 $t = wfMsg( 'viewsource' );
1018                         }
1019
1020                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1021                 }
1022                 return $s;
1023         }
1024
1025         /**
1026          * Return URL options for the 'edit page' link.
1027          * This may include an 'oldid' specifier, if the current page view is such.
1028          *
1029          * @return string
1030          * @access private
1031          */
1032         function editUrlOptions() {
1033                 global $wgArticle;
1034
1035                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1036                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1037                 } else {
1038                         return "action=edit";
1039                 }
1040         }
1041
1042         function deleteThisPage() {
1043                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1044
1045                 $diff = $wgRequest->getVal( 'diff' );
1046                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1047                         $t = wfMsg( 'deletethispage' );
1048
1049                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1050                 } else {
1051                         $s = '';
1052                 }
1053                 return $s;
1054         }
1055
1056         function protectThisPage() {
1057                 global $wgUser, $wgOut, $wgTitle, $wgRequest;
1058
1059                 $diff = $wgRequest->getVal( 'diff' );
1060                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1061                         if ( $wgTitle->isProtected() ) {
1062                                 $t = wfMsg( 'unprotectthispage' );
1063                                 $q = 'action=unprotect';
1064                         } else {
1065                                 $t = wfMsg( 'protectthispage' );
1066                                 $q = 'action=protect';
1067                         }
1068                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1069                 } else {
1070                         $s = '';
1071                 }
1072                 return $s;
1073         }
1074
1075         function watchThisPage() {
1076                 global $wgUser, $wgOut, $wgTitle;
1077
1078                 if ( $wgOut->isArticleRelated() ) {
1079                         if ( $wgTitle->userIsWatching() ) {
1080                                 $t = wfMsg( 'unwatchthispage' );
1081                                 $q = 'action=unwatch';
1082                         } else {
1083                                 $t = wfMsg( 'watchthispage' );
1084                                 $q = 'action=watch';
1085                         }
1086                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1087                 } else {
1088                         $s = wfMsg( 'notanarticle' );
1089                 }
1090                 return $s;
1091         }
1092
1093         function moveThisPage() {
1094                 global $wgTitle;
1095
1096                 if ( $wgTitle->userCanMove() ) {
1097                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Movepage' ),
1098                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1099                 } else {
1100                         // no message if page is protected - would be redundant
1101                         return '';
1102                 }
1103         }
1104
1105         function historyLink() {
1106                 global $wgTitle;
1107
1108                 return $this->makeKnownLinkObj( $wgTitle,
1109                   wfMsg( 'history' ), 'action=history' );
1110         }
1111
1112         function whatLinksHere() {
1113                 global $wgTitle;
1114
1115                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' ),
1116                   wfMsg( 'whatlinkshere' ), 'target=' . $wgTitle->getPrefixedURL() );
1117         }
1118
1119         function userContribsLink() {
1120                 global $wgTitle;
1121
1122                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Contributions' ),
1123                   wfMsg( 'contributions' ), 'target=' . $wgTitle->getPartialURL() );
1124         }
1125
1126         function showEmailUser( $id ) {
1127                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1128                 return $wgEnableEmail &&
1129                        $wgEnableUserEmail &&
1130                        $wgUser->isLoggedIn() && # show only to signed in users
1131                        0 != $id; # we can only email to non-anons ..
1132 #                      '' != $id->getEmail() && # who must have an email address stored ..
1133 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1134 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1135         }
1136
1137         function emailUserLink() {
1138                 global $wgTitle;
1139
1140                 return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Emailuser' ),
1141                   wfMsg( 'emailuser' ), 'target=' . $wgTitle->getPartialURL() );
1142         }
1143
1144         function watchPageLinksLink() {
1145                 global $wgOut, $wgTitle;
1146
1147                 if ( ! $wgOut->isArticleRelated() ) {
1148                         return '(' . wfMsg( 'notanarticle' ) . ')';
1149                 } else {
1150                         return $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL,
1151                           'Recentchangeslinked' ), wfMsg( 'recentchangeslinked' ),
1152                           'target=' . $wgTitle->getPrefixedURL() );
1153                 }
1154         }
1155
1156         function trackbackLink() {
1157                 global $wgTitle;
1158
1159                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1160                         . wfMsg('trackbacklink') . "</a>";
1161         }
1162
1163         function otherLanguages() {
1164                 global $wgOut, $wgContLang, $wgTitle, $wgHideInterlanguageLinks;
1165
1166                 if ( $wgHideInterlanguageLinks ) {
1167                         return '';
1168                 }
1169
1170                 $a = $wgOut->getLanguageLinks();
1171                 if ( 0 == count( $a ) ) {
1172                         return '';
1173                 }
1174
1175                 $s = wfMsg( 'otherlanguages' ) . ': ';
1176                 $first = true;
1177                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1178                 foreach( $a as $l ) {
1179                         if ( ! $first ) { $s .= ' | '; }
1180                         $first = false;
1181
1182                         $nt = Title::newFromText( $l );
1183                         $url = $nt->escapeFullURL();
1184                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1185
1186                         if ( '' == $text ) { $text = $l; }
1187                         $style = $this->getExternalLinkAttributes( $l, $text );
1188                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1189                 }
1190                 if($wgContLang->isRTL()) $s .= '</span>';
1191                 return $s;
1192         }
1193
1194         function bugReportsLink() {
1195                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1196                   wfMsg( 'bugreports' ) );
1197                 return $s;
1198         }
1199
1200         function dateLink() {
1201                 global $wgLinkCache;
1202                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1203                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1204
1205                 $wgLinkCache->suspend();
1206                 $id = $t1->getArticleID();
1207                 $wgLinkCache->resume();
1208
1209                 if ( 0 == $id ) {
1210                         $s = $this->makeBrokenLink( $t1->getText() );
1211                 } else {
1212                         $s = $this->makeKnownLink( $t1->getText() );
1213                 }
1214                 $s .= ', ';
1215
1216                 $wgLinkCache->suspend();
1217                 $id = $t2->getArticleID();
1218                 $wgLinkCache->resume();
1219
1220                 if ( 0 == $id ) {
1221                         $s .= $this->makeBrokenLink( $t2->getText() );
1222                 } else {
1223                         $s .= $this->makeKnownLink( $t2->getText() );
1224                 }
1225                 return $s;
1226         }
1227
1228         function talkLink() {
1229                 global $wgTitle, $wgLinkCache;
1230
1231                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1232                         # No discussion links for special pages
1233                         return '';
1234                 }
1235
1236                 if( $wgTitle->isTalkPage() ) {
1237                         $link = $wgTitle->getSubjectPage();
1238                         switch( $link->getNamespace() ) {
1239                         case NS_MAIN:
1240                                 $text = wfMsg('articlepage');
1241                                 break;
1242                         case NS_USER:
1243                                 $text = wfMsg('userpage');
1244                                 break;
1245                         case NS_PROJECT:
1246                                 $text = wfMsg('wikipediapage');
1247                                 break;
1248                         case NS_IMAGE:
1249                                 $text = wfMsg('imagepage');
1250                                 break;
1251                         default:
1252                                 $text= wfMsg('articlepage');
1253                         }
1254                 } else {
1255                         $link = $wgTitle->getTalkPage();
1256                         $text = wfMsg( 'talkpage' );
1257                 }
1258
1259                 $wgLinkCache->suspend();
1260                 $s = $this->makeLinkObj( $link, $text );
1261                 $wgLinkCache->resume();
1262
1263                 return $s;
1264         }
1265
1266         function commentLink() {
1267                 global $wgContLang, $wgTitle, $wgLinkCache;
1268
1269                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1270                         return '';
1271                 }
1272                 return $this->makeKnownLinkObj( $wgTitle->getTalkPage(),
1273                         wfMsg( 'postcomment' ), 'action=edit&section=new' );
1274         }
1275
1276         /* these are used extensively in SkinPHPTal, but also some other places */
1277         /*static*/ function makeSpecialUrl( $name, $urlaction='' ) {
1278                 $title = Title::makeTitle( NS_SPECIAL, $name );
1279                 return $title->getLocalURL( $urlaction );
1280         }
1281
1282         /*static*/ function makeI18nUrl ( $name, $urlaction='' ) {
1283                 $title = Title::newFromText( wfMsgForContent($name) );
1284                 $this->checkTitle($title, $name);
1285                 return $title->getLocalURL( $urlaction );
1286         }
1287
1288         /*static*/ function makeUrl ( $name, $urlaction='' ) {
1289                 $title = Title::newFromText( $name );
1290                 $this->checkTitle($title, $name);
1291                 return $title->getLocalURL( $urlaction );
1292         }
1293
1294         # If url string starts with http, consider as external URL, else
1295         # internal
1296         /*static*/ function makeInternalOrExternalUrl( $name ) {
1297                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1298                         return $name;
1299                 } else {
1300                         return $this->makeUrl( $name );
1301                 }
1302         }
1303
1304         # this can be passed the NS number as defined in Language.php
1305         /*static*/ function makeNSUrl( $name, $urlaction='', $namespace=NS_MAIN ) {
1306                 $title = Title::makeTitleSafe( $namespace, $name );
1307                 $this->checkTitle($title, $name);
1308                 return $title->getLocalURL( $urlaction );
1309         }
1310
1311         /* these return an array with the 'href' and boolean 'exists' */
1312         /*static*/ function makeUrlDetails ( $name, $urlaction='' ) {
1313                 $title = Title::newFromText( $name );
1314                 $this->checkTitle($title, $name);
1315                 return array(
1316                         'href' => $title->getLocalURL( $urlaction ),
1317                         'exists' => $title->getArticleID() != 0?true:false
1318                 );
1319         }
1320
1321         /**
1322          * Make URL details where the article exists (or at least it's convenient to think so)
1323          */
1324         function makeKnownUrlDetails( $name, $urlaction='' ) {
1325                 $title = Title::newFromText( $name );
1326                 $this->checkTitle($title, $name);
1327                 return array(
1328                         'href' => $title->getLocalURL( $urlaction ),
1329                         'exists' => true
1330                 );
1331         }
1332
1333         # make sure we have some title to operate on
1334         /*static*/ function checkTitle ( &$title, &$name ) {
1335                 if(!is_object($title)) {
1336                         $title = Title::newFromText( $name );
1337                         if(!is_object($title)) {
1338                                 $title = Title::newFromText( '--error: link target missing--' );
1339                         }
1340                 }
1341         }
1342
1343         /**
1344          * Build an array that represents the sidebar(s), the navigation bar among them
1345          *
1346          * @return array
1347          * @access private
1348          */
1349         function buildSidebar() {
1350                 global $wgTitle, $action;
1351
1352                 $fname = 'SkinTemplate::buildSidebar';
1353                 $pageurl = $wgTitle->getLocalURL();
1354                 wfProfileIn( $fname );
1355
1356                 $bar = array();
1357                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1358                 foreach ($lines as $line) {
1359                         if (strpos($line, '*') !== 0)
1360                                 continue;
1361                         if (strpos($line, '**') !== 0) {
1362                                 $line = trim($line, '* ');
1363                                 $heading = $line;
1364                         } else {
1365                                 if (strpos($line, '|') !== false) { // sanity check
1366                                         $line = explode( '|' , trim($line, '* '), 2 );
1367                                         $link = wfMsgForContent( $line[0] );
1368                                         if ($link == '-')
1369                                                 continue;
1370                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1371                                                 $text = $line[1];
1372                                         if (wfEmptyMsg($line[0], $link))
1373                                                 $link = $line[0];
1374                                         $href = $this->makeInternalOrExternalUrl( $link );
1375                                         $bar[$heading][] = array(
1376                                                 'text' => $text,
1377                                                 'href' => $href,
1378                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1379                                                 'active' => $pageurl == $href
1380                                         );
1381                                 } else { continue; }
1382                         }
1383                 }
1384
1385                 wfProfileOut( $fname );
1386                 return $bar;
1387         }
1388 }
1389
1390 }
1391 ?>