includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   4
   5 /**
   6  *
   7  * @package MediaWiki
   8  * @subpackage Skins
   9  */
  10
  11 # See skin.txt
  12
  13 /**
  14  * The main skin class that provide methods and properties for all other skins.
  15  * This base class is also the "Standard" skin.
  16  * @package MediaWiki
  17  */
  18 class Skin extends Linker {
  19         /**#@+
  20          * @private
  21          */
  22         var $lastdate, $lastline;
  23         var $rc_cache ; # Cache for Enhanced Recent Changes
  24         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  25         var $rcMoveIndex;
  26         /**#@-*/
  27
  28         /** Constructor, call parent constructor */
  29         function Skin() { parent::Linker(); }
  30
  31         /**
  32          * Fetch the set of available skins.
  33          * @return array of strings
  34          * @static
  35          */
  36         static function &getSkinNames() {
  37                 global $wgValidSkinNames;
  38                 static $skinsInitialised = false;
  39                 if ( !$skinsInitialised ) {
  40                         # Get a list of available skins
  41                         # Build using the regular expression '^(.*).php$'
  42                         # Array keys are all lower case, array value keep the case used by filename
  43                         #
  44                         wfProfileIn( __METHOD__ . '-init' );
  45                         global $wgStyleDirectory;
  46                         $skinDir = dir( $wgStyleDirectory );
  47
  48                         # while code from www.php.net
  49                         while (false !== ($file = $skinDir->read())) {
  50                                 // Skip non-PHP files, hidden files, and '.dep' includes
  51                                 $matches = array();
  52                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  53                                         $aSkin = $matches[1];
  54                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  55                                 }
  56                         }
  57                         $skinDir->close();
  58                         $skinsInitialised = true;
  59                         wfProfileOut( __METHOD__ . '-init' );
  60                 }
  61                 return $wgValidSkinNames;
  62         }
  63
  64         /**
  65          * Normalize a skin preference value to a form that can be loaded.
  66          * If a skin can't be found, it will fall back to the configured
  67          * default (or the old 'Classic' skin if that's broken).
  68          * @param string $key
  69          * @return string
  70          * @static
  71          */
  72         static function normalizeKey( $key ) {
  73                 global $wgDefaultSkin;
  74                 $skinNames = Skin::getSkinNames();
  75
  76                 if( $key == '' ) {
  77                         // Don't return the default immediately;
  78                         // in a misconfiguration we need to fall back.
  79                         $key = $wgDefaultSkin;
  80                 }
  81
  82                 if( isset( $skinNames[$key] ) ) {
  83                         return $key;
  84                 }
  85
  86                 // Older versions of the software used a numeric setting
  87                 // in the user preferences.
  88                 $fallback = array(
  89                         0 => $wgDefaultSkin,
  90                         1 => 'nostalgia',
  91                         2 => 'cologneblue' );
  92
  93                 if( isset( $fallback[$key] ) ){
  94                         $key = $fallback[$key];
  95                 }
  96
  97                 if( isset( $skinNames[$key] ) ) {
  98                         return $key;
  99                 } else {
 100                         // The old built-in skin
 101                         return 'standard';
 102                 }
 103         }
 104
 105         /**
 106          * Factory method for loading a skin of a given type
 107          * @param string $key 'monobook', 'standard', etc
 108          * @return Skin
 109          * @static
 110          */
 111         static function &newFromKey( $key ) {
 112                 global $wgStyleDirectory;
 113
 114                 $key = Skin::normalizeKey( $key );
 115
 116                 $skinNames = Skin::getSkinNames();
 117                 $skinName = $skinNames[$key];
 118
 119                 # Grab the skin class and initialise it.
 120                 // Preload base classes to work around APC/PHP5 bug
 121                 $deps = "{$wgStyleDirectory}/{$skinName}.deps.php";
 122                 if( file_exists( $deps ) ) include_once( $deps );
 123                 require_once( "{$wgStyleDirectory}/{$skinName}.php" );
 124
 125                 # Check if we got if not failback to default skin
 126                 $className = 'Skin'.$skinName;
 127                 if( !class_exists( $className ) ) {
 128                         # DO NOT die if the class isn't found. This breaks maintenance
 129                         # scripts and can cause a user account to be unrecoverable
 130                         # except by SQL manipulation if a previously valid skin name
 131                         # is no longer valid.
 132                         wfDebug( "Skin class does not exist: $className\n" );
 133                         $className = 'SkinStandard';
 134                         require_once( "{$wgStyleDirectory}/Standard.php" );
 135                 }
 136                 $skin = new $className;
 137                 return $skin;
 138         }
 139
 140         /** @return string path to the skin stylesheet */
 141         function getStylesheet() {
 142                 return 'common/wikistandard.css';
 143         }
 144
 145         /** @return string skin name */
 146         function getSkinName() {
 147                 return 'standard';
 148         }
 149
 150         function qbSetting() {
 151                 global $wgOut, $wgUser;
 152
 153                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 154                 $q = $wgUser->getOption( 'quickbar' );
 155                 if ( '' == $q ) { $q = 0; }
 156                 return $q;
 157         }
 158
 159         function initPage( &$out ) {
 160                 global $wgFavicon, $wgScriptPath, $wgSitename, $wgLanguageCode, $wgLanguageNames;
 161
 162                 $fname = 'Skin::initPage';
 163                 wfProfileIn( $fname );
 164
 165                 if( false !== $wgFavicon ) {
 166                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 167                 }
 168
 169                 # OpenSearch description link
 170                 $out->addLink( array(
 171                         'rel' => 'search',
 172                         'type' => 'application/opensearchdescription+xml',
 173                         'href' => "$wgScriptPath/opensearch_desc.php",
 174                         'title' => "$wgSitename ({$wgLanguageNames[$wgLanguageCode]})",
 175                 ));
 176
 177                 $this->addMetadataLinks($out);
 178
 179                 $this->mRevisionId = $out->mRevisionId;
 180
 181                 $this->preloadExistence();
 182
 183                 wfProfileOut( $fname );
 184         }
 185
 186         /**
 187          * Preload the existence of three commonly-requested pages in a single query
 188          */
 189         function preloadExistence() {
 190                 global $wgUser, $wgTitle;
 191
 192                 if ( $wgTitle->isTalkPage() ) {
 193                         $otherTab = $wgTitle->getSubjectPage();
 194                 } else {
 195                         $otherTab = $wgTitle->getTalkPage();
 196                 }
 197                 $lb = new LinkBatch( array(
 198                         $wgUser->getUserPage(),
 199                         $wgUser->getTalkPage(),
 200                         $otherTab
 201                 ));
 202                 $lb->execute();
 203         }
 204
 205         function addMetadataLinks( &$out ) {
 206                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 207                 global $wgRightsPage, $wgRightsUrl;
 208
 209                 if( $out->isArticleRelated() ) {
 210                         # note: buggy CC software only reads first "meta" link
 211                         if( $wgEnableCreativeCommonsRdf ) {
 212                                 $out->addMetadataLink( array(
 213                                         'title' => 'Creative Commons',
 214                                         'type' => 'application/rdf+xml',
 215                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 216                         }
 217                         if( $wgEnableDublinCoreRdf ) {
 218                                 $out->addMetadataLink( array(
 219                                         'title' => 'Dublin Core',
 220                                         'type' => 'application/rdf+xml',
 221                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 222                         }
 223                 }
 224                 $copyright = '';
 225                 if( $wgRightsPage ) {
 226                         $copy = Title::newFromText( $wgRightsPage );
 227                         if( $copy ) {
 228                                 $copyright = $copy->getLocalURL();
 229                         }
 230                 }
 231                 if( !$copyright && $wgRightsUrl ) {
 232                         $copyright = $wgRightsUrl;
 233                 }
 234                 if( $copyright ) {
 235                         $out->addLink( array(
 236                                 'rel' => 'copyright',
 237                                 'href' => $copyright ) );
 238                 }
 239         }
 240
 241         function outputPage( &$out ) {
 242                 global $wgDebugComments;
 243
 244                 wfProfileIn( 'Skin::outputPage' );
 245                 $this->initPage( $out );
 246
 247                 $out->out( $out->headElement() );
 248
 249                 $out->out( "\n<body" );
 250                 $ops = $this->getBodyOptions();
 251                 foreach ( $ops as $name => $val ) {
 252                         $out->out( " $name='$val'" );
 253                 }
 254                 $out->out( ">\n" );
 255                 if ( $wgDebugComments ) {
 256                         $out->out( "<!-- Wiki debugging output:\n" .
 257                           $out->mDebugtext . "-->\n" );
 258                 }
 259
 260                 $out->out( $this->beforeContent() );
 261
 262                 $out->out( $out->mBodytext . "\n" );
 263
 264                 $out->out( $this->afterContent() );
 265
 266                 $out->out( $this->bottomScripts() );
 267
 268                 $out->out( $out->reportTime() );
 269
 270                 $out->out( "\n</body></html>" );
 271         }
 272
 273         static function makeGlobalVariablesScript( $data ) {
 274                 $r = '<script type= "' . $data['jsmimetype'] . '">
 275                         var skin = "' . Xml::escapeJsString( $data['skinname'] ) . '";
 276                         var stylepath = "' . Xml::escapeJsString( $data['stylepath'] ) . '";
 277
 278                         var wgArticlePath = "' . Xml::escapeJsString( $data['articlepath'] ) . '";
 279                         var wgScriptPath = "' . Xml::escapeJsString( $data['scriptpath'] ) . '";
 280                         var wgServer = "' . Xml::escapeJsString( $data['serverurl'] ) . '";
 281
 282                         var wgCanonicalNamespace = "' . Xml::escapeJsString( $data['nscanonical'] ) . '";
 283                         var wgNamespaceNumber = ' . (int)$data['nsnumber'] . ';
 284                         var wgPageName = "' . Xml::escapeJsString( $data['titleprefixeddbkey'] ) . '";
 285                         var wgTitle = "' . Xml::escapeJsString( $data['titletext'] ) . '";
 286                         var wgArticleId = ' . (int)$data['articleid'] . ';
 287                         var wgIsArticle = ' . ( $data['isarticle'] ? 'true' : 'false' ) . ';
 288
 289                         var wgUserName = ' . ( $data['username'] == NULL ? 'null' : ( '"' . Xml::escapeJsString( $data['username'] ) . '"' ) ) . ';
 290                         var wgUserLanguage = "' . Xml::escapeJsString( $data['userlang'] ) . '";
 291                         var wgContentLanguage = "' . Xml::escapeJsString( $data['lang'] ) . '";
 292                 </script>
 293                 ';
 294
 295                 return $r;
 296         }
 297
 298         function getHeadScripts() {
 299                 global $wgStylePath, $wgUser, $wgAllowUserJs, $wgJsMimeType, $wgStyleVersion;
 300                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 301                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut;
 302
 303                 $ns = $wgTitle->getNamespace();
 304                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 305
 306                 $vars = array(
 307                         'jsmimetype' => $wgJsMimeType,
 308                         'skinname' => $this->getSkinName(),
 309                         'stylepath' => $wgStylePath,
 310                         'articlepath' => $wgArticlePath,
 311                         'scriptpath' => $wgScriptPath,
 312                         'serverurl' => $wgServer,
 313                         'nscanonical' => $nsname,
 314                         'nsnumber' => $wgTitle->getNamespace(),
 315                         'titleprefixeddbkey' => $wgTitle->getPrefixedDBKey(),
 316                         'titletext' => $wgTitle->getText(),
 317                         'articleid' => $wgTitle->getArticleId(),
 318                         'isarticle' => $wgOut->isArticle(),
 319                         'username' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 320                         'userlang' => $wgLang->getCode(),
 321                         'lang' => $wgContLang->getCode(),
 322                 );
 323
 324                 $r = self::makeGlobalVariablesScript( $vars );
 325
 326                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 327                 global $wgUseSiteJs;
 328                 if ($wgUseSiteJs) {
 329                         if ($wgUser->isLoggedIn()) {
 330                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 331                         } else {
 332                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 333                         }
 334                 }
 335                 if( $wgAllowUserJs && $wgUser->isLoggedIn() ) {
 336                         $userpage = $wgUser->getUserPage();
 337                         $userjs = htmlspecialchars( self::makeUrl(
 338                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 339                                 'action=raw&ctype='.$wgJsMimeType));
 340                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 341                 }
 342                 return $r;
 343         }
 344
 345         /**
 346          * To make it harder for someone to slip a user a fake
 347          * user-JavaScript or user-CSS preview, a random token
 348          * is associated with the login session. If it's not
 349          * passed back with the preview request, we won't render
 350          * the code.
 351          *
 352          * @param string $action
 353          * @return bool
 354          * @private
 355          */
 356         function userCanPreview( $action ) {
 357                 global $wgTitle, $wgRequest, $wgUser;
 358
 359                 if( $action != 'submit' )
 360                         return false;
 361                 if( !$wgRequest->wasPosted() )
 362                         return false;
 363                 if( !$wgTitle->userCanEditCssJsSubpage() )
 364                         return false;
 365                 return $wgUser->matchEditToken(
 366                         $wgRequest->getVal( 'wpEditToken' ) );
 367         }
 368
 369         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 370         function getUserStylesheet() {
 371                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 372                 $sheet = $this->getStylesheet();
 373                 $s = "@import \"$wgStylePath/common/common.css?$wgStyleVersion\";\n";
 374                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 375                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 376
 377                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 378                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 379                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 380
 381                 $s .= $this->doGetUserStyles();
 382                 return $s."\n";
 383         }
 384
 385         /**
 386          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 387          * *not* return any custom user JS from user subpages.  Huh?
 388          *
 389          * @return string
 390          */
 391         function getUserJs() {
 392                 $fname = 'Skin::getUserJs';
 393                 wfProfileIn( $fname );
 394
 395                 global $wgStylePath;
 396                 $s = "/* generated javascript */\n";
 397                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 398                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 399                 $commonJs = wfMsgForContent('Common.js');
 400                 if ( !wfEmptyMsg ( 'Common.js', $commonJs ) ) {
 401                         $s .= $commonJs;
 402                 }
 403
 404                 wfProfileOut( $fname );
 405                 return $s;
 406     }
 407
 408         /**
 409          * Return html code that include User stylesheets
 410          */
 411         function getUserStyles() {
 412                 $s = "<style type='text/css'>\n";
 413                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 414                 $s .= $this->getUserStylesheet();
 415                 $s .= "/*]]>*/ /* */\n";
 416                 $s .= "</style>\n";
 417                 return $s;
 418         }
 419
 420         /**
 421          * Some styles that are set by user through the user settings interface.
 422          */
 423         function doGetUserStyles() {
 424                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 425
 426                 $s = '';
 427
 428                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 429                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 430                                 $s .= $wgRequest->getText('wpTextbox1');
 431                         } else {
 432                                 $userpage = $wgUser->getUserPage();
 433                                 $s.= '@import "'.self::makeUrl(
 434                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 435                                         'action=raw&ctype=text/css').'";'."\n";
 436                         }
 437                 }
 438
 439                 return $s . $this->reallyDoGetUserStyles();
 440         }
 441
 442         function reallyDoGetUserStyles() {
 443                 global $wgUser;
 444                 $s = '';
 445                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 446                         $underline = $undopt ? 'underline' : 'none';
 447                         $s .= "a { text-decoration: $underline; }\n";
 448                 }
 449                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 450                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 451                 } else {
 452                         $s .= <<<END
 453 a.new, #quickbar a.new,
 454 a.stub, #quickbar a.stub {
 455         color: inherit;
 456         text-decoration: inherit;
 457 }
 458 a.new:after, #quickbar a.new:after {
 459         content: "?";
 460         color: #CC2200;
 461         text-decoration: $underline;
 462 }
 463 a.stub:after, #quickbar a.stub:after {
 464         content: "!";
 465         color: #772233;
 466         text-decoration: $underline;
 467 }
 468 END;
 469                 }
 470                 if( $wgUser->getOption( 'justify' ) ) {
 471                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 472                 }
 473                 if( !$wgUser->getOption( 'showtoc' ) ) {
 474                         $s .= "#toc { display: none; }\n";
 475                 }
 476                 if( !$wgUser->getOption( 'editsection' ) ) {
 477                         $s .= ".editsection { display: none; }\n";
 478                 }
 479                 return $s;
 480         }
 481
 482         function getBodyOptions() {
 483                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 484
 485                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 486
 487                 if ( 0 != $wgTitle->getNamespace() ) {
 488                         $a = array( 'bgcolor' => '#ffffec' );
 489                 }
 490                 else $a = array( 'bgcolor' => '#FFFFFF' );
 491                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 492                   $wgTitle->userCanEdit() ) {
 493                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 494                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 495                         $a += array ('ondblclick' => $s);
 496
 497                 }
 498                 $a['onload'] = $wgOut->getOnloadHandler();
 499                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 500                         if( $a['onload'] != '' ) {
 501                                 $a['onload'] .= ';';
 502                         }
 503                         $a['onload'] .= 'setupRightClickEdit()';
 504                 }
 505                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 506                 ' '.Sanitizer::escapeId( 'page-'.$wgTitle->getPrefixedText() );
 507                 return $a;
 508         }
 509
 510         /**
 511          * URL to the logo
 512          */
 513         function getLogo() {
 514                 global $wgLogo;
 515                 return $wgLogo;
 516         }
 517
 518         /**
 519          * This will be called immediately after the <body> tag.  Split into
 520          * two functions to make it easier to subclass.
 521          */
 522         function beforeContent() {
 523                 return $this->doBeforeContent();
 524         }
 525
 526         function doBeforeContent() {
 527                 global $wgContLang;
 528                 $fname = 'Skin::doBeforeContent';
 529                 wfProfileIn( $fname );
 530
 531                 $s = '';
 532                 $qb = $this->qbSetting();
 533
 534                 if( $langlinks = $this->otherLanguages() ) {
 535                         $rows = 2;
 536                         $borderhack = '';
 537                 } else {
 538                         $rows = 1;
 539                         $langlinks = false;
 540                         $borderhack = 'class="top"';
 541                 }
 542
 543                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 544                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 545
 546                 $shove = ($qb != 0);
 547                 $left = ($qb == 1 || $qb == 3);
 548                 if($wgContLang->isRTL()) $left = !$left;
 549
 550                 if ( !$shove ) {
 551                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 552                           $this->logoText() . '</td>';
 553                 } elseif( $left ) {
 554                         $s .= $this->getQuickbarCompensator( $rows );
 555                 }
 556                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 557                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 558
 559                 $s .= $this->topLinks() ;
 560                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 561
 562                 $r = $wgContLang->isRTL() ? "left" : "right";
 563                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 564                 $s .= $this->nameAndLogin();
 565                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 566
 567                 if ( $langlinks ) {
 568                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 569                 }
 570
 571                 if ( $shove && !$left ) { # Right
 572                         $s .= $this->getQuickbarCompensator( $rows );
 573                 }
 574                 $s .= "</tr>\n</table>\n</div>\n";
 575                 $s .= "\n<div id='article'>\n";
 576
 577                 $notice = wfGetSiteNotice();
 578                 if( $notice ) {
 579                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 580                 }
 581                 $s .= $this->pageTitle();
 582                 $s .= $this->pageSubtitle() ;
 583                 $s .= $this->getCategories();
 584                 wfProfileOut( $fname );
 585                 return $s;
 586         }
 587
 588
 589         function getCategoryLinks () {
 590                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 591                 global $wgContLang;
 592
 593                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 594
 595                 # Separator
 596                 $sep = wfMsgHtml( 'catseparator' );
 597
 598                 // Use Unicode bidi embedding override characters,
 599                 // to make sure links don't smash each other up in ugly ways.
 600                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 601                 $embed = "<span dir='$dir'>";
 602                 $pop = '</span>';
 603                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 604
 605                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 606                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 607                         . ': ' . $t;
 608
 609                 # optional 'dmoz-like' category browser. Will be shown under the list
 610                 # of categories an article belong to
 611                 if($wgUseCategoryBrowser) {
 612                         $s .= '<br /><hr />';
 613
 614                         # get a big array of the parents tree
 615                         $parenttree = $wgTitle->getParentCategoryTree();
 616                         # Skin object passed by reference cause it can not be
 617                         # accessed under the method subfunction drawCategoryBrowser
 618                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 619                         # Clean out bogus first entry and sort them
 620                         unset($tempout[0]);
 621                         asort($tempout);
 622                         # Output one per line
 623                         $s .= implode("<br />\n", $tempout);
 624                 }
 625
 626                 return $s;
 627         }
 628
 629         /** Render the array as a serie of links.
 630          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 631          * @param &skin Object: skin passed by reference
 632          * @return String separated by &gt;, terminate with "\n"
 633          */
 634         function drawCategoryBrowser($tree, &$skin) {
 635                 $return = '';
 636                 foreach ($tree as $element => $parent) {
 637                         if (empty($parent)) {
 638                                 # element start a new list
 639                                 $return .= "\n";
 640                         } else {
 641                                 # grab the others elements
 642                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 643                         }
 644                         # add our current element to the list
 645                         $eltitle = Title::NewFromText($element);
 646                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 647                 }
 648                 return $return;
 649         }
 650
 651         function getCategories() {
 652                 $catlinks=$this->getCategoryLinks();
 653                 if(!empty($catlinks)) {
 654                         return "<p class='catlinks'>{$catlinks}</p>";
 655                 }
 656         }
 657
 658         function getQuickbarCompensator( $rows = 1 ) {
 659                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 660         }
 661
 662         /**
 663          * This gets called shortly before the \</body\> tag.
 664          * @return String HTML to be put before \</body\>
 665          */
 666         function afterContent() {
 667                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 668                 return $printfooter . $this->doAfterContent();
 669         }
 670
 671         /**
 672          * This gets called shortly before the \</body\> tag.
 673          * @return String HTML-wrapped JS code to be put before \</body\>
 674          */
 675         function bottomScripts() {
 676                 global $wgJsMimeType;
 677                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 678         }
 679
 680         /** @return string Retrievied from HTML text */
 681         function printSource() {
 682                 global $wgTitle;
 683                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 684                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 685         }
 686
 687         function printFooter() {
 688                 return "<p>" .  $this->printSource() .
 689                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 690         }
 691
 692         /** overloaded by derived classes */
 693         function doAfterContent() { }
 694
 695         function pageTitleLinks() {
 696                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 697
 698                 $oldid = $wgRequest->getVal( 'oldid' );
 699                 $diff = $wgRequest->getVal( 'diff' );
 700                 $action = $wgRequest->getText( 'action' );
 701
 702                 $s = $this->printableLink();
 703                 $disclaimer = $this->disclaimerLink(); # may be empty
 704                 if( $disclaimer ) {
 705                         $s .= ' | ' . $disclaimer;
 706                 }
 707                 $privacy = $this->privacyLink(); # may be empty too
 708                 if( $privacy ) {
 709                         $s .= ' | ' . $privacy;
 710                 }
 711
 712                 if ( $wgOut->isArticleRelated() ) {
 713                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 714                                 $name = $wgTitle->getDBkey();
 715                                 $image = new Image( $wgTitle );
 716                                 if( $image->exists() ) {
 717                                         $link = htmlspecialchars( $image->getURL() );
 718                                         $style = $this->getInternalLinkAttributes( $link, $name );
 719                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 720                                 }
 721                         }
 722                 }
 723                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 724                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 725                                         wfMsg( 'currentrev' ) );
 726                 }
 727
 728                 if ( $wgUser->getNewtalk() ) {
 729                         # do not show "You have new messages" text when we are viewing our
 730                         # own talk page
 731                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 732                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 733                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 734                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 735                                 # disable caching
 736                                 $wgOut->setSquidMaxage(0);
 737                                 $wgOut->enableClientCache(false);
 738                         }
 739                 }
 740
 741                 $undelete = $this->getUndeleteLink();
 742                 if( !empty( $undelete ) ) {
 743                         $s .= ' | '.$undelete;
 744                 }
 745                 return $s;
 746         }
 747
 748         function getUndeleteLink() {
 749                 global $wgUser, $wgTitle, $wgContLang, $action;
 750                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 751                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 752                         ($n = $wgTitle->isDeleted() ) )
 753                 {
 754                         if ( $wgUser->isAllowed( 'delete' ) ) {
 755                                 $msg = 'thisisdeleted';
 756                         } else {
 757                                 $msg = 'viewdeleted';
 758                         }
 759                         return wfMsg( $msg,
 760                                 $this->makeKnownLink(
 761                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 762                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 763                 }
 764                 return '';
 765         }
 766
 767         function printableLink() {
 768                 global $wgOut, $wgFeedClasses, $wgRequest;
 769
 770                 $baseurl = $_SERVER['REQUEST_URI'];
 771                 if( strpos( '?', $baseurl ) == false ) {
 772                         $baseurl .= '?';
 773                 } else {
 774                         $baseurl .= '&';
 775                 }
 776                 $baseurl = htmlspecialchars( $baseurl );
 777                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 778
 779                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 780                 if( $wgOut->isSyndicated() ) {
 781                         foreach( $wgFeedClasses as $format => $class ) {
 782                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 783                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 784                         }
 785                 }
 786                 return $s;
 787         }
 788
 789         function pageTitle() {
 790                 global $wgOut;
 791                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 792                 return $s;
 793         }
 794
 795         function pageSubtitle() {
 796                 global $wgOut;
 797
 798                 $sub = $wgOut->getSubtitle();
 799                 if ( '' == $sub ) {
 800                         global $wgExtraSubtitle;
 801                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 802                 }
 803                 $subpages = $this->subPageSubtitle();
 804                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 805                 $s = "<p class='subtitle'>{$sub}</p>\n";
 806                 return $s;
 807         }
 808
 809         function subPageSubtitle() {
 810                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 811                 $subpages = '';
 812                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 813                         $ptext=$wgTitle->getPrefixedText();
 814                         if(preg_match('/\//',$ptext)) {
 815                                 $links = explode('/',$ptext);
 816                                 $c = 0;
 817                                 $growinglink = '';
 818                                 foreach($links as $link) {
 819                                         $c++;
 820                                         if ($c<count($links)) {
 821                                                 $growinglink .= $link;
 822                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 823                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 824                                                 if ($c>1) {
 825                                                         $subpages .= ' | ';
 826                                                 } else  {
 827                                                         $subpages .= '&lt; ';
 828                                                 }
 829                                                 $subpages .= $getlink;
 830                                                 $growinglink .= '/';
 831                                         }
 832                                 }
 833                         }
 834                 }
 835                 return $subpages;
 836         }
 837
 838         function nameAndLogin() {
 839                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 840
 841                 $lo = $wgContLang->specialPage( 'Userlogout' );
 842
 843                 $s = '';
 844                 if ( $wgUser->isAnon() ) {
 845                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 846                                 $n = wfGetIP();
 847
 848                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 849                                   $wgLang->getNsText( NS_TALK ) );
 850
 851                                 $s .= $n . ' ('.$tl.')';
 852                         } else {
 853                                 $s .= wfMsg('notloggedin');
 854                         }
 855
 856                         $rt = $wgTitle->getPrefixedURL();
 857                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 858                                 $q = '';
 859                         } else { $q = "returnto={$rt}"; }
 860
 861                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 862                                 SpecialPage::getTitleFor( 'Userlogin' ),
 863                                 wfMsg( 'login' ), $q );
 864                 } else {
 865                         $n = $wgUser->getName();
 866                         $rt = $wgTitle->getPrefixedURL();
 867                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 868                           $wgLang->getNsText( NS_TALK ) );
 869
 870                         $tl = " ({$tl})";
 871
 872                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 873                           $n ) . "{$tl}<br />" .
 874                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 875                           "returnto={$rt}" ) . ' | ' .
 876                           $this->specialLink( 'preferences' );
 877                 }
 878                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 879                   wfMsg( 'help' ) );
 880
 881                 return $s;
 882         }
 883
 884         function getSearchLink() {
 885                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 886                 return $searchPage->getLocalURL();
 887         }
 888
 889         function escapeSearchLink() {
 890                 return htmlspecialchars( $this->getSearchLink() );
 891         }
 892
 893         function searchForm() {
 894                 global $wgRequest;
 895                 $search = $wgRequest->getText( 'search' );
 896
 897                 $s = '<form name="search" class="inline" method="post" action="'
 898                   . $this->escapeSearchLink() . "\">\n"
 899                   . '<input type="text" name="search" size="19" value="'
 900                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 901                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 902                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 903
 904                 return $s;
 905         }
 906
 907         function topLinks() {
 908                 global $wgOut;
 909                 $sep = " |\n";
 910
 911                 $s = $this->mainPageLink() . $sep
 912                   . $this->specialLink( 'recentchanges' );
 913
 914                 if ( $wgOut->isArticleRelated() ) {
 915                         $s .=  $sep . $this->editThisPage()
 916                           . $sep . $this->historyLink();
 917                 }
 918                 # Many people don't like this dropdown box
 919                 #$s .= $sep . $this->specialPagesList();
 920
 921                 $s .= $this->variantLinks();
 922
 923                 $s .= $this->extensionTabLinks();
 924
 925                 return $s;
 926         }
 927
 928         /**
 929          * Compatibility for extensions adding functionality through tabs.
 930          * Eventually these old skins should be replaced with SkinTemplate-based
 931          * versions, sigh...
 932          * @return string
 933          */
 934         function extensionTabLinks() {
 935                 $tabs = array();
 936                 $s = '';
 937                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 938                 foreach( $tabs as $tab ) {
 939                         $s .= ' | ' . Xml::element( 'a',
 940                                 array( 'href' => $tab['href'] ),
 941                                 $tab['text'] );
 942                 }
 943                 return $s;
 944         }
 945
 946         /**
 947          * Language/charset variant links for classic-style skins
 948          * @return string
 949          */
 950         function variantLinks() {
 951                 $s = '';
 952                 /* show links to different language variants */
 953                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 954                 $variants = $wgContLang->getVariants();
 955                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 956                         foreach( $variants as $code ) {
 957                                 $varname = $wgContLang->getVariantname( $code );
 958                                 if( $varname == 'disable' )
 959                                         continue;
 960                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 961                         }
 962                 }
 963                 return $s;
 964         }
 965
 966         function bottomLinks() {
 967                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 968                 $sep = " |\n";
 969
 970                 $s = '';
 971                 if ( $wgOut->isArticleRelated() ) {
 972                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 973                         if ( $wgUser->isLoggedIn() ) {
 974                                 $s .= $sep . $this->watchThisPage();
 975                         }
 976                         $s .= $sep . $this->talkLink()
 977                           . $sep . $this->historyLink()
 978                           . $sep . $this->whatLinksHere()
 979                           . $sep . $this->watchPageLinksLink();
 980
 981                         if ($wgUseTrackbacks)
 982                                 $s .= $sep . $this->trackbackLink();
 983
 984                         if ( $wgTitle->getNamespace() == NS_USER
 985                             || $wgTitle->getNamespace() == NS_USER_TALK )
 986
 987                         {
 988                                 $id=User::idFromName($wgTitle->getText());
 989                                 $ip=User::isIP($wgTitle->getText());
 990
 991                                 if($id || $ip) { # both anons and non-anons have contri list
 992                                         $s .= $sep . $this->userContribsLink();
 993                                 }
 994                                 if( $this->showEmailUser( $id ) ) {
 995                                         $s .= $sep . $this->emailUserLink();
 996                                 }
 997                         }
 998                         if ( $wgTitle->getArticleId() ) {
 999                                 $s .= "\n<br />";
1000                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1001                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1002                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1003                         }
1004                         $s .= "<br />\n" . $this->otherLanguages();
1005                 }
1006                 return $s;
1007         }
1008
1009         function pageStats() {
1010                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1011                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1012
1013                 $oldid = $wgRequest->getVal( 'oldid' );
1014                 $diff = $wgRequest->getVal( 'diff' );
1015                 if ( ! $wgOut->isArticle() ) { return ''; }
1016                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1017                 if ( 0 == $wgArticle->getID() ) { return ''; }
1018
1019                 $s = '';
1020                 if ( !$wgDisableCounters ) {
1021                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1022                         if ( $count ) {
1023                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1024                         }
1025                 }
1026
1027                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1028                     require_once('Credits.php');
1029                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1030                 } else {
1031                     $s .= $this->lastModified();
1032                 }
1033
1034                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1035                         $dbr =& wfGetDB( DB_SLAVE );
1036                         $watchlist = $dbr->tableName( 'watchlist' );
1037                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1038                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1039                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1040                         $res = $dbr->query( $sql, 'Skin::pageStats');
1041                         $x = $dbr->fetchObject( $res );
1042                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1043                 }
1044
1045                 return $s . ' ' .  $this->getCopyright();
1046         }
1047
1048         function getCopyright( $type = 'detect' ) {
1049                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1050
1051                 if ( $type == 'detect' ) {
1052                         $oldid = $wgRequest->getVal( 'oldid' );
1053                         $diff = $wgRequest->getVal( 'diff' );
1054
1055                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1056                                 $type = 'history';
1057                         } else {
1058                                 $type = 'normal';
1059                         }
1060                 }
1061
1062                 if ( $type == 'history' ) {
1063                         $msg = 'history_copyright';
1064                 } else {
1065                         $msg = 'copyright';
1066                 }
1067
1068                 $out = '';
1069                 if( $wgRightsPage ) {
1070                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1071                 } elseif( $wgRightsUrl ) {
1072                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1073                 } else {
1074                         # Give up now
1075                         return $out;
1076                 }
1077                 $out .= wfMsgForContent( $msg, $link );
1078                 return $out;
1079         }
1080
1081         function getCopyrightIcon() {
1082                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1083                 $out = '';
1084                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1085                         $out = $wgCopyrightIcon;
1086                 } else if ( $wgRightsIcon ) {
1087                         $icon = htmlspecialchars( $wgRightsIcon );
1088                         if ( $wgRightsUrl ) {
1089                                 $url = htmlspecialchars( $wgRightsUrl );
1090                                 $out .= '<a href="'.$url.'">';
1091                         }
1092                         $text = htmlspecialchars( $wgRightsText );
1093                         $out .= "<img src=\"$icon\" alt='$text' />";
1094                         if ( $wgRightsUrl ) {
1095                                 $out .= '</a>';
1096                         }
1097                 }
1098                 return $out;
1099         }
1100
1101         function getPoweredBy() {
1102                 global $wgStylePath;
1103                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1104                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
1105                 return $img;
1106         }
1107
1108         function lastModified() {
1109                 global $wgLang, $wgArticle, $wgLoadBalancer;
1110
1111                 $timestamp = $wgArticle->getTimestamp();
1112                 if ( $timestamp ) {
1113                         $d = $wgLang->date( $timestamp, true );
1114                         $t = $wgLang->time( $timestamp, true );
1115                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1116                 } else {
1117                         $s = '';
1118                 }
1119                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1120                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1121                 }
1122                 return $s;
1123         }
1124
1125         function logoText( $align = '' ) {
1126                 if ( '' != $align ) { $a = " align='{$align}'"; }
1127                 else { $a = ''; }
1128
1129                 $mp = wfMsg( 'mainpage' );
1130                 $titleObj = Title::newFromText( $mp );
1131                 if ( is_object( $titleObj ) ) {
1132                         $url = $titleObj->escapeLocalURL();
1133                 } else {
1134                         $url = '';
1135                 }
1136
1137                 $logourl = $this->getLogo();
1138                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1139                 return $s;
1140         }
1141
1142         /**
1143          * show a drop-down box of special pages
1144          */
1145         function specialPagesList() {
1146                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1147                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1148                 foreach ( $pages as $name => $page ) {
1149                         $pages[$name] = $page->getDescription();
1150                 }
1151
1152                 $go = wfMsg( 'go' );
1153                 $sp = wfMsg( 'specialpages' );
1154                 $spp = $wgContLang->specialPage( 'Specialpages' );
1155
1156                 $s = '<form id="specialpages" method="get" class="inline" ' .
1157                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1158                 $s .= "<select name=\"wpDropdown\">\n";
1159                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1160
1161
1162                 foreach ( $pages as $name => $desc ) {
1163                         $p = $wgContLang->specialPage( $name );
1164                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1165                 }
1166                 $s .= "</select>\n";
1167                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1168                 $s .= "</form>\n";
1169                 return $s;
1170         }
1171
1172         function mainPageLink() {
1173                 $mp = wfMsgForContent( 'mainpage' );
1174                 $mptxt = wfMsg( 'mainpage');
1175                 $s = $this->makeKnownLink( $mp, $mptxt );
1176                 return $s;
1177         }
1178
1179         function copyrightLink() {
1180                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1181                   wfMsg( 'copyrightpagename' ) );
1182                 return $s;
1183         }
1184
1185         function privacyLink() {
1186                 $privacy = wfMsg( 'privacy' );
1187                 if ($privacy == '-') {
1188                         return '';
1189                 } else {
1190                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1191                 }
1192         }
1193
1194         function aboutLink() {
1195                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1196                   wfMsg( 'aboutsite' ) );
1197                 return $s;
1198         }
1199
1200         function disclaimerLink() {
1201                 $disclaimers = wfMsg( 'disclaimers' );
1202                 if ($disclaimers == '-') {
1203                         return '';
1204                 } else {
1205                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1206                                                      $disclaimers );
1207                 }
1208         }
1209
1210         function editThisPage() {
1211                 global $wgOut, $wgTitle;
1212
1213                 if ( ! $wgOut->isArticleRelated() ) {
1214                         $s = wfMsg( 'protectedpage' );
1215                 } else {
1216                         if ( $wgTitle->userCanEdit() ) {
1217                                 $t = wfMsg( 'editthispage' );
1218                         } else {
1219                                 $t = wfMsg( 'viewsource' );
1220                         }
1221
1222                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1223                 }
1224                 return $s;
1225         }
1226
1227         /**
1228          * Return URL options for the 'edit page' link.
1229          * This may include an 'oldid' specifier, if the current page view is such.
1230          *
1231          * @return string
1232          * @private
1233          */
1234         function editUrlOptions() {
1235                 global $wgArticle;
1236
1237                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1238                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1239                 } else {
1240                         return "action=edit";
1241                 }
1242         }
1243
1244         function deleteThisPage() {
1245                 global $wgUser, $wgTitle, $wgRequest;
1246
1247                 $diff = $wgRequest->getVal( 'diff' );
1248                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1249                         $t = wfMsg( 'deletethispage' );
1250
1251                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1252                 } else {
1253                         $s = '';
1254                 }
1255                 return $s;
1256         }
1257
1258         function protectThisPage() {
1259                 global $wgUser, $wgTitle, $wgRequest;
1260
1261                 $diff = $wgRequest->getVal( 'diff' );
1262                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1263                         if ( $wgTitle->isProtected() ) {
1264                                 $t = wfMsg( 'unprotectthispage' );
1265                                 $q = 'action=unprotect';
1266                         } else {
1267                                 $t = wfMsg( 'protectthispage' );
1268                                 $q = 'action=protect';
1269                         }
1270                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1271                 } else {
1272                         $s = '';
1273                 }
1274                 return $s;
1275         }
1276
1277         function watchThisPage() {
1278                 global $wgOut, $wgTitle;
1279
1280                 if ( $wgOut->isArticleRelated() ) {
1281                         if ( $wgTitle->userIsWatching() ) {
1282                                 $t = wfMsg( 'unwatchthispage' );
1283                                 $q = 'action=unwatch';
1284                         } else {
1285                                 $t = wfMsg( 'watchthispage' );
1286                                 $q = 'action=watch';
1287                         }
1288                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1289                 } else {
1290                         $s = wfMsg( 'notanarticle' );
1291                 }
1292                 return $s;
1293         }
1294
1295         function moveThisPage() {
1296                 global $wgTitle;
1297
1298                 if ( $wgTitle->userCanMove() ) {
1299                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1300                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1301                 } else {
1302                         // no message if page is protected - would be redundant
1303                         return '';
1304                 }
1305         }
1306
1307         function historyLink() {
1308                 global $wgTitle;
1309
1310                 return $this->makeKnownLinkObj( $wgTitle,
1311                   wfMsg( 'history' ), 'action=history' );
1312         }
1313
1314         function whatLinksHere() {
1315                 global $wgTitle;
1316
1317                 return $this->makeKnownLinkObj(
1318                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1319                         wfMsg( 'whatlinkshere' ) );
1320         }
1321
1322         function userContribsLink() {
1323                 global $wgTitle;
1324
1325                 return $this->makeKnownLinkObj(
1326                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1327                         wfMsg( 'contributions' ) );
1328         }
1329
1330         function showEmailUser( $id ) {
1331                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1332                 return $wgEnableEmail &&
1333                        $wgEnableUserEmail &&
1334                        $wgUser->isLoggedIn() && # show only to signed in users
1335                        0 != $id; # we can only email to non-anons ..
1336 #                      '' != $id->getEmail() && # who must have an email address stored ..
1337 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1338 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1339         }
1340
1341         function emailUserLink() {
1342                 global $wgTitle;
1343
1344                 return $this->makeKnownLinkObj(
1345                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1346                         wfMsg( 'emailuser' ) );
1347         }
1348
1349         function watchPageLinksLink() {
1350                 global $wgOut, $wgTitle;
1351
1352                 if ( ! $wgOut->isArticleRelated() ) {
1353                         return '(' . wfMsg( 'notanarticle' ) . ')';
1354                 } else {
1355                         return $this->makeKnownLinkObj(
1356                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1357                                 wfMsg( 'recentchangeslinked' ) );
1358                 }
1359         }
1360
1361         function trackbackLink() {
1362                 global $wgTitle;
1363
1364                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1365                         . wfMsg('trackbacklink') . "</a>";
1366         }
1367
1368         function otherLanguages() {
1369                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1370
1371                 if ( $wgHideInterlanguageLinks ) {
1372                         return '';
1373                 }
1374
1375                 $a = $wgOut->getLanguageLinks();
1376                 if ( 0 == count( $a ) ) {
1377                         return '';
1378                 }
1379
1380                 $s = wfMsg( 'otherlanguages' ) . ': ';
1381                 $first = true;
1382                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1383                 foreach( $a as $l ) {
1384                         if ( ! $first ) { $s .= ' | '; }
1385                         $first = false;
1386
1387                         $nt = Title::newFromText( $l );
1388                         $url = $nt->escapeFullURL();
1389                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1390
1391                         if ( '' == $text ) { $text = $l; }
1392                         $style = $this->getExternalLinkAttributes( $l, $text );
1393                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1394                 }
1395                 if($wgContLang->isRTL()) $s .= '</span>';
1396                 return $s;
1397         }
1398
1399         function bugReportsLink() {
1400                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1401                   wfMsg( 'bugreports' ) );
1402                 return $s;
1403         }
1404
1405         function dateLink() {
1406                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1407                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1408
1409                 $id = $t1->getArticleID();
1410
1411                 if ( 0 == $id ) {
1412                         $s = $this->makeBrokenLink( $t1->getText() );
1413                 } else {
1414                         $s = $this->makeKnownLink( $t1->getText() );
1415                 }
1416                 $s .= ', ';
1417
1418                 $id = $t2->getArticleID();
1419
1420                 if ( 0 == $id ) {
1421                         $s .= $this->makeBrokenLink( $t2->getText() );
1422                 } else {
1423                         $s .= $this->makeKnownLink( $t2->getText() );
1424                 }
1425                 return $s;
1426         }
1427
1428         function talkLink() {
1429                 global $wgTitle;
1430
1431                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1432                         # No discussion links for special pages
1433                         return '';
1434                 }
1435
1436                 if( $wgTitle->isTalkPage() ) {
1437                         $link = $wgTitle->getSubjectPage();
1438                         switch( $link->getNamespace() ) {
1439                                 case NS_MAIN:
1440                                         $text = wfMsg( 'articlepage' );
1441                                         break;
1442                                 case NS_USER:
1443                                         $text = wfMsg( 'userpage' );
1444                                         break;
1445                                 case NS_PROJECT:
1446                                         $text = wfMsg( 'projectpage' );
1447                                         break;
1448                                 case NS_IMAGE:
1449                                         $text = wfMsg( 'imagepage' );
1450                                         break;
1451                                 case NS_MEDIAWIKI:
1452                                         $text = wfMsg( 'mediawikipage' );
1453                                         break;
1454                                 case NS_TEMPLATE:
1455                                         $text = wfMsg( 'templatepage' );
1456                                         break;
1457                                 case NS_HELP:
1458                                         $text = wfMsg( 'viewhelppage' );
1459                                         break;
1460                                 case NS_CATEGORY:
1461                                         $text = wfMsg( 'categorypage' );
1462                                         break;
1463                                 default:
1464                                         $text = wfMsg( 'articlepage' );
1465                         }
1466                 } else {
1467                         $link = $wgTitle->getTalkPage();
1468                         $text = wfMsg( 'talkpage' );
1469                 }
1470
1471                 $s = $this->makeLinkObj( $link, $text );
1472
1473                 return $s;
1474         }
1475
1476         function commentLink() {
1477                 global $wgTitle, $wgOut;
1478
1479                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1480                         return '';
1481                 }
1482
1483                 # __NEWSECTIONLINK___ changes behaviour here
1484                 # If it's present, the link points to this page, otherwise
1485                 # it points to the talk page
1486                 if( $wgTitle->isTalkPage() ) {
1487                         $title =& $wgTitle;
1488                 } elseif( $wgOut->showNewSectionLink() ) {
1489                         $title =& $wgTitle;
1490                 } else {
1491                         $title =& $wgTitle->getTalkPage();
1492                 }
1493
1494                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1495         }
1496
1497         /* these are used extensively in SkinTemplate, but also some other places */
1498         static function makeSpecialUrl( $name, $urlaction = '' ) {
1499                 $title = SpecialPage::getTitleFor( $name );
1500                 return $title->getLocalURL( $urlaction );
1501         }
1502
1503         static function makeI18nUrl( $name, $urlaction = '' ) {
1504                 $title = Title::newFromText( wfMsgForContent( $name ) );
1505                 self::checkTitle( $title, $name );
1506                 return $title->getLocalURL( $urlaction );
1507         }
1508
1509         static function makeUrl( $name, $urlaction = '' ) {
1510                 $title = Title::newFromText( $name );
1511                 self::checkTitle( $title, $name );
1512                 return $title->getLocalURL( $urlaction );
1513         }
1514
1515         # If url string starts with http, consider as external URL, else
1516         # internal
1517         static function makeInternalOrExternalUrl( $name ) {
1518                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1519                         return $name;
1520                 } else {
1521                         return self::makeUrl( $name );
1522                 }
1523         }
1524
1525         # this can be passed the NS number as defined in Language.php
1526         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1527                 $title = Title::makeTitleSafe( $namespace, $name );
1528                 self::checkTitle( $title, $name );
1529                 return $title->getLocalURL( $urlaction );
1530         }
1531
1532         /* these return an array with the 'href' and boolean 'exists' */
1533         static function makeUrlDetails( $name, $urlaction = '' ) {
1534                 $title = Title::newFromText( $name );
1535                 self::checkTitle( $title, $name );
1536                 return array(
1537                         'href' => $title->getLocalURL( $urlaction ),
1538                         'exists' => $title->getArticleID() != 0 ? true : false
1539                 );
1540         }
1541
1542         /**
1543          * Make URL details where the article exists (or at least it's convenient to think so)
1544          */
1545         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1546                 $title = Title::newFromText( $name );
1547                 self::checkTitle( $title, $name );
1548                 return array(
1549                         'href' => $title->getLocalURL( $urlaction ),
1550                         'exists' => true
1551                 );
1552         }
1553
1554         # make sure we have some title to operate on
1555         static function checkTitle( &$title, &$name ) {
1556                 if( !is_object( $title ) ) {
1557                         $title = Title::newFromText( $name );
1558                         if( !is_object( $title ) ) {
1559                                 $title = Title::newFromText( '--error: link target missing--' );
1560                         }
1561                 }
1562         }
1563
1564         /**
1565          * Build an array that represents the sidebar(s), the navigation bar among them
1566          *
1567          * @return array
1568          * @private
1569          */
1570         function buildSidebar() {
1571                 global $parserMemc, $wgEnableSidebarCache;
1572                 global $wgLang, $wgContLang;
1573
1574                 $fname = 'SkinTemplate::buildSidebar';
1575
1576                 wfProfileIn( $fname );
1577
1578                 $key = wfMemcKey( 'sidebar' );
1579                 $cacheSidebar = $wgEnableSidebarCache &&
1580                         ($wgLang->getCode() == $wgContLang->getCode());
1581
1582                 if ($cacheSidebar) {
1583                         $cachedsidebar = $parserMemc->get( $key );
1584                         if ($cachedsidebar!="") {
1585                                 wfProfileOut($fname);
1586                                 return $cachedsidebar;
1587                         }
1588                 }
1589
1590                 $bar = array();
1591                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1592                 foreach ($lines as $line) {
1593                         if (strpos($line, '*') !== 0)
1594                                 continue;
1595                         if (strpos($line, '**') !== 0) {
1596                                 $line = trim($line, '* ');
1597                                 $heading = $line;
1598                         } else {
1599                                 if (strpos($line, '|') !== false) { // sanity check
1600                                         $line = explode( '|' , trim($line, '* '), 2 );
1601                                         $link = wfMsgForContent( $line[0] );
1602                                         if ($link == '-')
1603                                                 continue;
1604                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1605                                                 $text = $line[1];
1606                                         if (wfEmptyMsg($line[0], $link))
1607                                                 $link = $line[0];
1608
1609                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1610                                                 $href = $link;
1611                                         } else {
1612                                                 $title = Title::newFromText( $link );
1613                                                 if ( $title ) {
1614                                                         $title = $title->fixSpecialName();
1615                                                         $href = $title->getLocalURL();
1616                                                 } else {
1617                                                         $href = 'INVALID-TITLE';
1618                                                 }
1619                                         }
1620
1621                                         $bar[$heading][] = array(
1622                                                 'text' => $text,
1623                                                 'href' => $href,
1624                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1625                                                 'active' => false
1626                                         );
1627                                 } else { continue; }
1628                         }
1629                 }
1630                 if ($cacheSidebar)
1631                         $parserMemc->set( $key, $bar, 86400 );
1632                 wfProfileOut( $fname );
1633                 return $bar;
1634         }
1635 }
1636 ?>