includes/Skin.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   4
   5 # See skin.txt
   6
   7 /**
   8  * The main skin class that provide methods and properties for all other skins.
   9  * This base class is also the "Standard" skin.
  10  *
  11  * See docs/skin.txt for more information.
  12  *
  13  * @addtogroup Skins
  14  */
  15 class Skin extends Linker {
  16         /**#@+
  17          * @private
  18          */
  19         var $lastdate, $lastline;
  20         var $rc_cache ; # Cache for Enhanced Recent Changes
  21         var $rcCacheIndex ; # Recent Changes Cache Counter for visibility toggle
  22         var $rcMoveIndex;
  23         var $mWatchLinkNum = 0; // Appended to end of watch link id's
  24         /**#@-*/
  25         protected $mRevisionId; // The revision ID we're looking at, null if not applicable.
  26         protected $skinname = 'standard' ;
  27
  28         /** Constructor, call parent constructor */
  29         function Skin() { parent::__construct(); }
  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         public function getSkinName() {
 147                 return $this->skinname;
 148         }
 149
 150         function qbSetting() {
 151                 global $wgOut, $wgUser;
 152
 153                 if ( $wgOut->isQuickbarSuppressed() ) { return 0; }
 154                 $q = $wgUser->getOption( 'quickbar', 0 );
 155                 return $q;
 156         }
 157
 158         function initPage( &$out ) {
 159                 global $wgFavicon, $wgScriptPath, $wgSitename, $wgLanguageCode, $wgLanguageNames;
 160
 161                 $fname = 'Skin::initPage';
 162                 wfProfileIn( $fname );
 163
 164                 if( false !== $wgFavicon ) {
 165                         $out->addLink( array( 'rel' => 'shortcut icon', 'href' => $wgFavicon ) );
 166                 }
 167
 168                 # OpenSearch description link
 169                 $out->addLink( array(
 170                         'rel' => 'search',
 171                         'type' => 'application/opensearchdescription+xml',
 172                         'href' => "$wgScriptPath/opensearch_desc.php",
 173                         'title' => "$wgSitename ({$wgLanguageNames[$wgLanguageCode]})",
 174                 ));
 175
 176                 $this->addMetadataLinks($out);
 177
 178                 $this->mRevisionId = $out->mRevisionId;
 179
 180                 $this->preloadExistence();
 181
 182                 wfProfileOut( $fname );
 183         }
 184
 185         /**
 186          * Preload the existence of three commonly-requested pages in a single query
 187          */
 188         function preloadExistence() {
 189                 global $wgUser, $wgTitle;
 190
 191                 // User/talk link
 192                 $titles = array( $wgUser->getUserPage(), $wgUser->getTalkPage() );
 193
 194                 // Other tab link
 195                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
 196                         // nothing
 197                 } elseif ( $wgTitle->isTalkPage() ) {
 198                         $titles[] = $wgTitle->getSubjectPage();
 199                 } else {
 200                         $titles[] = $wgTitle->getTalkPage();
 201                 }
 202
 203                 $lb = new LinkBatch( $titles );
 204                 $lb->execute();
 205         }
 206
 207         function addMetadataLinks( &$out ) {
 208                 global $wgTitle, $wgEnableDublinCoreRdf, $wgEnableCreativeCommonsRdf;
 209                 global $wgRightsPage, $wgRightsUrl;
 210
 211                 if( $out->isArticleRelated() ) {
 212                         # note: buggy CC software only reads first "meta" link
 213                         if( $wgEnableCreativeCommonsRdf ) {
 214                                 $out->addMetadataLink( array(
 215                                         'title' => 'Creative Commons',
 216                                         'type' => 'application/rdf+xml',
 217                                         'href' => $wgTitle->getLocalURL( 'action=creativecommons') ) );
 218                         }
 219                         if( $wgEnableDublinCoreRdf ) {
 220                                 $out->addMetadataLink( array(
 221                                         'title' => 'Dublin Core',
 222                                         'type' => 'application/rdf+xml',
 223                                         'href' => $wgTitle->getLocalURL( 'action=dublincore' ) ) );
 224                         }
 225                 }
 226                 $copyright = '';
 227                 if( $wgRightsPage ) {
 228                         $copy = Title::newFromText( $wgRightsPage );
 229                         if( $copy ) {
 230                                 $copyright = $copy->getLocalURL();
 231                         }
 232                 }
 233                 if( !$copyright && $wgRightsUrl ) {
 234                         $copyright = $wgRightsUrl;
 235                 }
 236                 if( $copyright ) {
 237                         $out->addLink( array(
 238                                 'rel' => 'copyright',
 239                                 'href' => $copyright ) );
 240                 }
 241         }
 242
 243         function outputPage( &$out ) {
 244                 global $wgDebugComments;
 245
 246                 wfProfileIn( __METHOD__ );
 247                 $this->initPage( $out );
 248
 249                 $out->out( $out->headElement() );
 250
 251                 $out->out( "\n<body" );
 252                 $ops = $this->getBodyOptions();
 253                 foreach ( $ops as $name => $val ) {
 254                         $out->out( " $name='$val'" );
 255                 }
 256                 $out->out( ">\n" );
 257                 if ( $wgDebugComments ) {
 258                         $out->out( "<!-- Wiki debugging output:\n" .
 259                           $out->mDebugtext . "-->\n" );
 260                 }
 261
 262                 $out->out( $this->beforeContent() );
 263
 264                 $out->out( $out->mBodytext . "\n" );
 265
 266                 $out->out( $this->afterContent() );
 267
 268                 $out->out( $this->bottomScripts() );
 269
 270                 $out->out( $out->reportTime() );
 271
 272                 $out->out( "\n</body></html>" );
 273                 wfProfileOut( __METHOD__ );
 274         }
 275
 276         static function makeVariablesScript( $data ) {
 277                 global $wgJsMimeType;
 278
 279                 $r = "<script type= \"$wgJsMimeType\">/*<![CDATA[*/\n";
 280                 foreach ( $data as $name => $value ) {
 281                         $encValue = Xml::encodeJsVar( $value );
 282                         $r .= "var $name = $encValue;\n";
 283                 }
 284                 $r .= "/*]]>*/</script>\n";
 285
 286                 return $r;
 287         }
 288
 289         /**
 290          * Make a <script> tag containing global variables
 291          * @param array $data Associative array containing one element:
 292          *     skinname => the skin name
 293          * The odd calling convention is for backwards compatibility
 294          */
 295         static function makeGlobalVariablesScript( $data ) {
 296                 global $wgStylePath, $wgUser;
 297                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgLang;
 298                 global $wgTitle, $wgCanonicalNamespaceNames, $wgOut, $wgArticle;
 299                 global $wgBreakFrames, $wgRequest;
 300
 301                 $ns = $wgTitle->getNamespace();
 302                 $nsname = isset( $wgCanonicalNamespaceNames[ $ns ] ) ? $wgCanonicalNamespaceNames[ $ns ] : $wgTitle->getNsText();
 303
 304                 $vars = array(
 305                         'skin' => $data['skinname'],
 306                         'stylepath' => $wgStylePath,
 307                         'wgArticlePath' => $wgArticlePath,
 308                         'wgScriptPath' => $wgScriptPath,
 309                         'wgServer' => $wgServer,
 310                         'wgCanonicalNamespace' => $nsname,
 311                         'wgCanonicalSpecialPageName' => SpecialPage::resolveAlias( $wgTitle->getDBKey() ),
 312                         'wgNamespaceNumber' => $wgTitle->getNamespace(),
 313                         'wgPageName' => $wgTitle->getPrefixedDBKey(),
 314                         'wgTitle' => $wgTitle->getText(),
 315                         'wgAction' => $wgRequest->getText( 'action', 'view' ),
 316                         'wgRestrictionEdit' => $wgTitle->getRestrictions( 'edit' ),
 317                         'wgRestrictionMove' => $wgTitle->getRestrictions( 'move' ),
 318                         'wgArticleId' => $wgTitle->getArticleId(),
 319                         'wgIsArticle' => $wgOut->isArticle(),
 320                         'wgUserName' => $wgUser->isAnon() ? NULL : $wgUser->getName(),
 321                         'wgUserGroups' => $wgUser->isAnon() ? NULL : $wgUser->getEffectiveGroups(),
 322                         'wgUserLanguage' => $wgLang->getCode(),
 323                         'wgContentLanguage' => $wgContLang->getCode(),
 324                         'wgBreakFrames' => $wgBreakFrames,
 325                         'wgCurRevisionId' => isset( $wgArticle ) ? $wgArticle->getLatest() : 0,
 326                 );
 327
 328                 global $wgLivePreview;
 329                 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
 330                         $vars['wgLivepreviewMessageLoading'] = wfMsg( 'livepreview-loading' );
 331                         $vars['wgLivepreviewMessageReady']   = wfMsg( 'livepreview-ready' );
 332                         $vars['wgLivepreviewMessageFailed']  = wfMsg( 'livepreview-failed' );
 333                         $vars['wgLivepreviewMessageError']   = wfMsg( 'livepreview-error' );
 334                 }
 335
 336                 return self::makeVariablesScript( $vars );
 337         }
 338
 339         function getHeadScripts( $allowUserJs ) {
 340                 global $wgStylePath, $wgUser, $wgJsMimeType, $wgStyleVersion;
 341
 342                 $r = self::makeGlobalVariablesScript( array( 'skinname' => $this->getSkinName() ) );
 343
 344                 $r .= "<script type=\"{$wgJsMimeType}\" src=\"{$wgStylePath}/common/wikibits.js?$wgStyleVersion\"></script>\n";
 345                 global $wgUseSiteJs;
 346                 if ($wgUseSiteJs) {
 347                         if ($wgUser->isLoggedIn()) {
 348                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&smaxage=0&gen=js'))."\"><!-- site js --></script>\n";
 349                         } else {
 350                                 $r .= "<script type=\"$wgJsMimeType\" src=\"".htmlspecialchars(self::makeUrl('-','action=raw&gen=js'))."\"><!-- site js --></script>\n";
 351                         }
 352                 }
 353                 if( $allowUserJs && $wgUser->isLoggedIn() ) {
 354                         $userpage = $wgUser->getUserPage();
 355                         $userjs = htmlspecialchars( self::makeUrl(
 356                                 $userpage->getPrefixedText().'/'.$this->getSkinName().'.js',
 357                                 'action=raw&ctype='.$wgJsMimeType));
 358                         $r .= '<script type="'.$wgJsMimeType.'" src="'.$userjs."\"></script>\n";
 359                 }
 360                 return $r;
 361         }
 362
 363         /**
 364          * To make it harder for someone to slip a user a fake
 365          * user-JavaScript or user-CSS preview, a random token
 366          * is associated with the login session. If it's not
 367          * passed back with the preview request, we won't render
 368          * the code.
 369          *
 370          * @param string $action
 371          * @return bool
 372          * @private
 373          */
 374         function userCanPreview( $action ) {
 375                 global $wgTitle, $wgRequest, $wgUser;
 376
 377                 if( $action != 'submit' )
 378                         return false;
 379                 if( !$wgRequest->wasPosted() )
 380                         return false;
 381                 if( !$wgTitle->userCanEditCssJsSubpage() )
 382                         return false;
 383                 return $wgUser->matchEditToken(
 384                         $wgRequest->getVal( 'wpEditToken' ) );
 385         }
 386
 387         # get the user/site-specific stylesheet, SkinTemplate loads via RawPage.php (settings are cached that way)
 388         function getUserStylesheet() {
 389                 global $wgStylePath, $wgRequest, $wgContLang, $wgSquidMaxage, $wgStyleVersion;
 390                 $sheet = $this->getStylesheet();
 391                 $s = "@import \"$wgStylePath/common/shared.css?$wgStyleVersion\";\n";
 392                 $s .= "@import \"$wgStylePath/common/oldshared.css?$wgStyleVersion\";\n";
 393                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 394                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 395
 396                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 397                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 398                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 399
 400                 $s .= $this->doGetUserStyles();
 401                 return $s."\n";
 402         }
 403
 404         /**
 405          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 406          * *not* return any custom user JS from user subpages.  Huh?
 407          *
 408          * @return string
 409          */
 410         function getUserJs() {
 411                 wfProfileIn( __METHOD__ );
 412
 413                 global $wgStylePath;
 414                 $s = "/* generated javascript */\n";
 415                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 416                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 417                 $commonJs = wfMsgForContent('common.js');
 418                 if ( !wfEmptyMsg ( 'common.js', $commonJs ) ) {
 419                         $s .= $commonJs;
 420                 }
 421
 422                 global $wgUseAjax, $wgAjaxWatch;
 423                 if($wgUseAjax && $wgAjaxWatch) {
 424                         $s .= "
 425
 426 /* AJAX (un)watch (see /skins/common/ajaxwatch.js) */
 427 var wgAjaxWatch = {
 428         watchMsg: '".       str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watch', array() ) )."',
 429         unwatchMsg: '".     str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatch', array() ) )."',
 430         watchingMsg: '".    str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'watching', array() ) )."',
 431         unwatchingMsg: '".  str_replace( array("'", "\n"), array("\\'", ' '), wfMsgExt( 'unwatching', array() ) )."'
 432 };";
 433                 }
 434
 435                 wfProfileOut( __METHOD__ );
 436                 return $s;
 437         }
 438
 439         /**
 440          * Return html code that include User stylesheets
 441          */
 442         function getUserStyles() {
 443                 $s = "<style type='text/css'>\n";
 444                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 445                 $s .= $this->getUserStylesheet();
 446                 $s .= "/*]]>*/ /* */\n";
 447                 $s .= "</style>\n";
 448                 return $s;
 449         }
 450
 451         /**
 452          * Some styles that are set by user through the user settings interface.
 453          */
 454         function doGetUserStyles() {
 455                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 456
 457                 $s = '';
 458
 459                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 460                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 461                                 $s .= $wgRequest->getText('wpTextbox1');
 462                         } else {
 463                                 $userpage = $wgUser->getUserPage();
 464                                 $s.= '@import "'.self::makeUrl(
 465                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 466                                         'action=raw&ctype=text/css').'";'."\n";
 467                         }
 468                 }
 469
 470                 return $s . $this->reallyDoGetUserStyles();
 471         }
 472
 473         function reallyDoGetUserStyles() {
 474                 global $wgUser;
 475                 $s = '';
 476                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 477                         $underline = $undopt ? 'underline' : 'none';
 478                         $s .= "a { text-decoration: $underline; }\n";
 479                 }
 480                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 481                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 482                 } else {
 483                         $s .= <<<END
 484 a.new, #quickbar a.new,
 485 a.stub, #quickbar a.stub {
 486         color: inherit;
 487         text-decoration: inherit;
 488 }
 489 a.new:after, #quickbar a.new:after {
 490         content: "?";
 491         color: #CC2200;
 492         text-decoration: $underline;
 493 }
 494 a.stub:after, #quickbar a.stub:after {
 495         content: "!";
 496         color: #772233;
 497         text-decoration: $underline;
 498 }
 499 END;
 500                 }
 501                 if( $wgUser->getOption( 'justify' ) ) {
 502                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 503                 }
 504                 if( !$wgUser->getOption( 'showtoc' ) ) {
 505                         $s .= "#toc { display: none; }\n";
 506                 }
 507                 if( !$wgUser->getOption( 'editsection' ) ) {
 508                         $s .= ".editsection { display: none; }\n";
 509                 }
 510                 return $s;
 511         }
 512
 513         function getBodyOptions() {
 514                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 515
 516                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 517
 518                 if ( 0 != $wgTitle->getNamespace() ) {
 519                         $a = array( 'bgcolor' => '#ffffec' );
 520                 }
 521                 else $a = array( 'bgcolor' => '#FFFFFF' );
 522                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 523                   $wgTitle->userCan( 'edit' ) ) {
 524                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 525                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 526                         $a += array ('ondblclick' => $s);
 527
 528                 }
 529                 $a['onload'] = $wgOut->getOnloadHandler();
 530                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 531                         if( $a['onload'] != '' ) {
 532                                 $a['onload'] .= ';';
 533                         }
 534                         $a['onload'] .= 'setupRightClickEdit()';
 535                 }
 536                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 537                 ' '.Sanitizer::escapeClass( 'page-'.$wgTitle->getPrefixedText() );
 538                 return $a;
 539         }
 540
 541         /**
 542          * URL to the logo
 543          */
 544         function getLogo() {
 545                 global $wgLogo;
 546                 return $wgLogo;
 547         }
 548
 549         /**
 550          * This will be called immediately after the <body> tag.  Split into
 551          * two functions to make it easier to subclass.
 552          */
 553         function beforeContent() {
 554                 return $this->doBeforeContent();
 555         }
 556
 557         function doBeforeContent() {
 558                 global $wgContLang;
 559                 $fname = 'Skin::doBeforeContent';
 560                 wfProfileIn( $fname );
 561
 562                 $s = '';
 563                 $qb = $this->qbSetting();
 564
 565                 if( $langlinks = $this->otherLanguages() ) {
 566                         $rows = 2;
 567                         $borderhack = '';
 568                 } else {
 569                         $rows = 1;
 570                         $langlinks = false;
 571                         $borderhack = 'class="top"';
 572                 }
 573
 574                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 575                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 576
 577                 $shove = ($qb != 0);
 578                 $left = ($qb == 1 || $qb == 3);
 579                 if($wgContLang->isRTL()) $left = !$left;
 580
 581                 if ( !$shove ) {
 582                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 583                           $this->logoText() . '</td>';
 584                 } elseif( $left ) {
 585                         $s .= $this->getQuickbarCompensator( $rows );
 586                 }
 587                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 588                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 589
 590                 $s .= $this->topLinks() ;
 591                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 592
 593                 $r = $wgContLang->isRTL() ? "left" : "right";
 594                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 595                 $s .= $this->nameAndLogin();
 596                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 597
 598                 if ( $langlinks ) {
 599                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 600                 }
 601
 602                 if ( $shove && !$left ) { # Right
 603                         $s .= $this->getQuickbarCompensator( $rows );
 604                 }
 605                 $s .= "</tr>\n</table>\n</div>\n";
 606                 $s .= "\n<div id='article'>\n";
 607
 608                 $notice = wfGetSiteNotice();
 609                 if( $notice ) {
 610                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 611                 }
 612                 $s .= $this->pageTitle();
 613                 $s .= $this->pageSubtitle() ;
 614                 $s .= $this->getCategories();
 615                 wfProfileOut( $fname );
 616                 return $s;
 617         }
 618
 619
 620         function getCategoryLinks () {
 621                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 622                 global $wgContLang;
 623
 624                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 625
 626                 # Separator
 627                 $sep = wfMsgHtml( 'catseparator' );
 628
 629                 // Use Unicode bidi embedding override characters,
 630                 // to make sure links don't smash each other up in ugly ways.
 631                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 632                 $embed = "<span dir='$dir'>";
 633                 $pop = '</span>';
 634                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 635
 636                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 637                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 638                         . ': ' . $t;
 639
 640                 # optional 'dmoz-like' category browser. Will be shown under the list
 641                 # of categories an article belong to
 642                 if($wgUseCategoryBrowser) {
 643                         $s .= '<br /><hr />';
 644
 645                         # get a big array of the parents tree
 646                         $parenttree = $wgTitle->getParentCategoryTree();
 647                         # Skin object passed by reference cause it can not be
 648                         # accessed under the method subfunction drawCategoryBrowser
 649                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 650                         # Clean out bogus first entry and sort them
 651                         unset($tempout[0]);
 652                         asort($tempout);
 653                         # Output one per line
 654                         $s .= implode("<br />\n", $tempout);
 655                 }
 656
 657                 return $s;
 658         }
 659
 660         /** Render the array as a serie of links.
 661          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 662          * @param &skin Object: skin passed by reference
 663          * @return String separated by &gt;, terminate with "\n"
 664          */
 665         function drawCategoryBrowser($tree, &$skin) {
 666                 $return = '';
 667                 foreach ($tree as $element => $parent) {
 668                         if (empty($parent)) {
 669                                 # element start a new list
 670                                 $return .= "\n";
 671                         } else {
 672                                 # grab the others elements
 673                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 674                         }
 675                         # add our current element to the list
 676                         $eltitle = Title::NewFromText($element);
 677                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 678                 }
 679                 return $return;
 680         }
 681
 682         function getCategories() {
 683                 $catlinks=$this->getCategoryLinks();
 684                 if(!empty($catlinks)) {
 685                         return "<p class='catlinks'>{$catlinks}</p>";
 686                 }
 687         }
 688
 689         function getQuickbarCompensator( $rows = 1 ) {
 690                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 691         }
 692
 693         /**
 694          * This gets called shortly before the \</body\> tag.
 695          * @return String HTML to be put before \</body\>
 696          */
 697         function afterContent() {
 698                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 699                 return $printfooter . $this->doAfterContent();
 700         }
 701
 702         /**
 703          * This gets called shortly before the \</body\> tag.
 704          * @return String HTML-wrapped JS code to be put before \</body\>
 705          */
 706         function bottomScripts() {
 707                 global $wgJsMimeType;
 708                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 709         }
 710
 711         /** @return string Retrievied from HTML text */
 712         function printSource() {
 713                 global $wgTitle;
 714                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 715                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 716         }
 717
 718         function printFooter() {
 719                 return "<p>" .  $this->printSource() .
 720                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 721         }
 722
 723         /** overloaded by derived classes */
 724         function doAfterContent() { }
 725
 726         function pageTitleLinks() {
 727                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 728
 729                 $oldid = $wgRequest->getVal( 'oldid' );
 730                 $diff = $wgRequest->getVal( 'diff' );
 731                 $action = $wgRequest->getText( 'action' );
 732
 733                 $s = $this->printableLink();
 734                 $disclaimer = $this->disclaimerLink(); # may be empty
 735                 if( $disclaimer ) {
 736                         $s .= ' | ' . $disclaimer;
 737                 }
 738                 $privacy = $this->privacyLink(); # may be empty too
 739                 if( $privacy ) {
 740                         $s .= ' | ' . $privacy;
 741                 }
 742
 743                 if ( $wgOut->isArticleRelated() ) {
 744                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 745                                 $name = $wgTitle->getDBkey();
 746                                 $image = wfFindFile( $wgTitle );
 747                                 if( $image ) {
 748                                         $link = htmlspecialchars( $image->getURL() );
 749                                         $style = $this->getInternalLinkAttributes( $link, $name );
 750                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 751                                 }
 752                         }
 753                 }
 754                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 755                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 756                                         wfMsg( 'currentrev' ) );
 757                 }
 758
 759                 if ( $wgUser->getNewtalk() ) {
 760                         # do not show "You have new messages" text when we are viewing our
 761                         # own talk page
 762                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 763                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 764                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 765                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 766                                 # disable caching
 767                                 $wgOut->setSquidMaxage(0);
 768                                 $wgOut->enableClientCache(false);
 769                         }
 770                 }
 771
 772                 $undelete = $this->getUndeleteLink();
 773                 if( !empty( $undelete ) ) {
 774                         $s .= ' | '.$undelete;
 775                 }
 776                 return $s;
 777         }
 778
 779         function getUndeleteLink() {
 780                 global $wgUser, $wgTitle, $wgContLang, $action;
 781                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 782                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 783                         ($n = $wgTitle->isDeleted() ) )
 784                 {
 785                         if ( $wgUser->isAllowed( 'delete' ) ) {
 786                                 $msg = 'thisisdeleted';
 787                         } else {
 788                                 $msg = 'viewdeleted';
 789                         }
 790                         return wfMsg( $msg,
 791                                 $this->makeKnownLinkObj(
 792                                         SpecialPage::getTitleFor( 'Undelete', $wgTitle->getPrefixedDBkey() ),
 793                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 794                 }
 795                 return '';
 796         }
 797
 798         function printableLink() {
 799                 global $wgOut, $wgFeedClasses, $wgRequest;
 800
 801                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 802
 803                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 804                 if( $wgOut->isSyndicated() ) {
 805                         foreach( $wgFeedClasses as $format => $class ) {
 806                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 807                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 808                         }
 809                 }
 810                 return $s;
 811         }
 812
 813         function pageTitle() {
 814                 global $wgOut;
 815                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 816                 return $s;
 817         }
 818
 819         function pageSubtitle() {
 820                 global $wgOut;
 821
 822                 $sub = $wgOut->getSubtitle();
 823                 if ( '' == $sub ) {
 824                         global $wgExtraSubtitle;
 825                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 826                 }
 827                 $subpages = $this->subPageSubtitle();
 828                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 829                 $s = "<p class='subtitle'>{$sub}</p>\n";
 830                 return $s;
 831         }
 832
 833         function subPageSubtitle() {
 834                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 835                 $subpages = '';
 836                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 837                         $ptext=$wgTitle->getPrefixedText();
 838                         if(preg_match('/\//',$ptext)) {
 839                                 $links = explode('/',$ptext);
 840                                 $c = 0;
 841                                 $growinglink = '';
 842                                 foreach($links as $link) {
 843                                         $c++;
 844                                         if ($c<count($links)) {
 845                                                 $growinglink .= $link;
 846                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 847                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 848                                                 if ($c>1) {
 849                                                         $subpages .= ' | ';
 850                                                 } else  {
 851                                                         $subpages .= '&lt; ';
 852                                                 }
 853                                                 $subpages .= $getlink;
 854                                                 $growinglink .= '/';
 855                                         }
 856                                 }
 857                         }
 858                 }
 859                 return $subpages;
 860         }
 861
 862         /**
 863          * Returns true if the IP should be shown in the header
 864          */
 865         function showIPinHeader() {
 866                 global $wgShowIPinHeader;
 867                 return $wgShowIPinHeader && session_id() != '';
 868         }
 869
 870         function nameAndLogin() {
 871                 global $wgUser, $wgTitle, $wgLang, $wgContLang;
 872
 873                 $lo = $wgContLang->specialPage( 'Userlogout' );
 874
 875                 $s = '';
 876                 if ( $wgUser->isAnon() ) {
 877                         if( $this->showIPinHeader() ) {
 878                                 $n = wfGetIP();
 879
 880                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 881                                   $wgLang->getNsText( NS_TALK ) );
 882
 883                                 $s .= $n . ' ('.$tl.')';
 884                         } else {
 885                                 $s .= wfMsg('notloggedin');
 886                         }
 887
 888                         $rt = $wgTitle->getPrefixedURL();
 889                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 890                                 $q = '';
 891                         } else { $q = "returnto={$rt}"; }
 892
 893                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 894                                 SpecialPage::getTitleFor( 'Userlogin' ),
 895                                 wfMsg( 'login' ), $q );
 896                 } else {
 897                         $n = $wgUser->getName();
 898                         $rt = $wgTitle->getPrefixedURL();
 899                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 900                           $wgLang->getNsText( NS_TALK ) );
 901
 902                         $tl = " ({$tl})";
 903
 904                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 905                           $n ) . "{$tl}<br />" .
 906                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 907                           "returnto={$rt}" ) . ' | ' .
 908                           $this->specialLink( 'preferences' );
 909                 }
 910                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 911                   wfMsg( 'help' ) );
 912
 913                 return $s;
 914         }
 915
 916         function getSearchLink() {
 917                 $searchPage = SpecialPage::getTitleFor( 'Search' );
 918                 return $searchPage->getLocalURL();
 919         }
 920
 921         function escapeSearchLink() {
 922                 return htmlspecialchars( $this->getSearchLink() );
 923         }
 924
 925         function searchForm() {
 926                 global $wgRequest;
 927                 $search = $wgRequest->getText( 'search' );
 928
 929                 $s = '<form name="search" class="inline" method="post" action="'
 930                   . $this->escapeSearchLink() . "\">\n"
 931                   . '<input type="text" name="search" size="19" value="'
 932                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 933                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 934                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 935
 936                 return $s;
 937         }
 938
 939         function topLinks() {
 940                 global $wgOut;
 941                 $sep = " |\n";
 942
 943                 $s = $this->mainPageLink() . $sep
 944                   . $this->specialLink( 'recentchanges' );
 945
 946                 if ( $wgOut->isArticleRelated() ) {
 947                         $s .=  $sep . $this->editThisPage()
 948                           . $sep . $this->historyLink();
 949                 }
 950                 # Many people don't like this dropdown box
 951                 #$s .= $sep . $this->specialPagesList();
 952
 953                 $s .= $this->variantLinks();
 954
 955                 $s .= $this->extensionTabLinks();
 956
 957                 return $s;
 958         }
 959
 960         /**
 961          * Compatibility for extensions adding functionality through tabs.
 962          * Eventually these old skins should be replaced with SkinTemplate-based
 963          * versions, sigh...
 964          * @return string
 965          */
 966         function extensionTabLinks() {
 967                 $tabs = array();
 968                 $s = '';
 969                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 970                 foreach( $tabs as $tab ) {
 971                         $s .= ' | ' . Xml::element( 'a',
 972                                 array( 'href' => $tab['href'] ),
 973                                 $tab['text'] );
 974                 }
 975                 return $s;
 976         }
 977
 978         /**
 979          * Language/charset variant links for classic-style skins
 980          * @return string
 981          */
 982         function variantLinks() {
 983                 $s = '';
 984                 /* show links to different language variants */
 985                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 986                 $variants = $wgContLang->getVariants();
 987                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 988                         foreach( $variants as $code ) {
 989                                 $varname = $wgContLang->getVariantname( $code );
 990                                 if( $varname == 'disable' )
 991                                         continue;
 992                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 993                         }
 994                 }
 995                 return $s;
 996         }
 997
 998         function bottomLinks() {
 999                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
1000                 $sep = " |\n";
1001
1002                 $s = '';
1003                 if ( $wgOut->isArticleRelated() ) {
1004                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
1005                         if ( $wgUser->isLoggedIn() ) {
1006                                 $s .= $sep . $this->watchThisPage();
1007                         }
1008                         $s .= $sep . $this->talkLink()
1009                           . $sep . $this->historyLink()
1010                           . $sep . $this->whatLinksHere()
1011                           . $sep . $this->watchPageLinksLink();
1012
1013                         if ($wgUseTrackbacks)
1014                                 $s .= $sep . $this->trackbackLink();
1015
1016                         if ( $wgTitle->getNamespace() == NS_USER
1017                             || $wgTitle->getNamespace() == NS_USER_TALK )
1018
1019                         {
1020                                 $id=User::idFromName($wgTitle->getText());
1021                                 $ip=User::isIP($wgTitle->getText());
1022
1023                                 if($id || $ip) { # both anons and non-anons have contri list
1024                                         $s .= $sep . $this->userContribsLink();
1025                                 }
1026                                 if( $this->showEmailUser( $id ) ) {
1027                                         $s .= $sep . $this->emailUserLink();
1028                                 }
1029                         }
1030                         if ( $wgTitle->getArticleId() ) {
1031                                 $s .= "\n<br />";
1032                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1033                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1034                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1035                         }
1036                         $s .= "<br />\n" . $this->otherLanguages();
1037                 }
1038                 return $s;
1039         }
1040
1041         function pageStats() {
1042                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1043                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1044
1045                 $oldid = $wgRequest->getVal( 'oldid' );
1046                 $diff = $wgRequest->getVal( 'diff' );
1047                 if ( ! $wgOut->isArticle() ) { return ''; }
1048                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1049                 if ( 0 == $wgArticle->getID() ) { return ''; }
1050
1051                 $s = '';
1052                 if ( !$wgDisableCounters ) {
1053                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1054                         if ( $count ) {
1055                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1056                         }
1057                 }
1058
1059                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1060                     require_once('Credits.php');
1061                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1062                 } else {
1063                     $s .= $this->lastModified();
1064                 }
1065
1066                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1067                         $dbr = wfGetDB( DB_SLAVE );
1068                         $watchlist = $dbr->tableName( 'watchlist' );
1069                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1070                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1071                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1072                         $res = $dbr->query( $sql, 'Skin::pageStats');
1073                         $x = $dbr->fetchObject( $res );
1074                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1075                 }
1076
1077                 return $s . ' ' .  $this->getCopyright();
1078         }
1079
1080         function getCopyright( $type = 'detect' ) {
1081                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1082
1083                 if ( $type == 'detect' ) {
1084                         $oldid = $wgRequest->getVal( 'oldid' );
1085                         $diff = $wgRequest->getVal( 'diff' );
1086
1087                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1088                                 $type = 'history';
1089                         } else {
1090                                 $type = 'normal';
1091                         }
1092                 }
1093
1094                 if ( $type == 'history' ) {
1095                         $msg = 'history_copyright';
1096                 } else {
1097                         $msg = 'copyright';
1098                 }
1099
1100                 $out = '';
1101                 if( $wgRightsPage ) {
1102                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1103                 } elseif( $wgRightsUrl ) {
1104                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1105                 } else {
1106                         # Give up now
1107                         return $out;
1108                 }
1109                 $out .= wfMsgForContent( $msg, $link );
1110                 return $out;
1111         }
1112
1113         function getCopyrightIcon() {
1114                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1115                 $out = '';
1116                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1117                         $out = $wgCopyrightIcon;
1118                 } else if ( $wgRightsIcon ) {
1119                         $icon = htmlspecialchars( $wgRightsIcon );
1120                         if ( $wgRightsUrl ) {
1121                                 $url = htmlspecialchars( $wgRightsUrl );
1122                                 $out .= '<a href="'.$url.'">';
1123                         }
1124                         $text = htmlspecialchars( $wgRightsText );
1125                         $out .= "<img src=\"$icon\" alt='$text' />";
1126                         if ( $wgRightsUrl ) {
1127                                 $out .= '</a>';
1128                         }
1129                 }
1130                 return $out;
1131         }
1132
1133         function getPoweredBy() {
1134                 global $wgStylePath;
1135                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1136                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="Powered by MediaWiki" /></a>';
1137                 return $img;
1138         }
1139
1140         function lastModified() {
1141                 global $wgLang, $wgArticle, $wgLoadBalancer;
1142
1143                 $timestamp = $wgArticle->getTimestamp();
1144                 if ( $timestamp ) {
1145                         $d = $wgLang->date( $timestamp, true );
1146                         $t = $wgLang->time( $timestamp, true );
1147                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1148                 } else {
1149                         $s = '';
1150                 }
1151                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1152                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1153                 }
1154                 return $s;
1155         }
1156
1157         function logoText( $align = '' ) {
1158                 if ( '' != $align ) { $a = " align='{$align}'"; }
1159                 else { $a = ''; }
1160
1161                 $mp = wfMsg( 'mainpage' );
1162                 $mptitle = Title::newMainPage();
1163                 $url = ( is_object($mptitle) ? $mptitle->escapeLocalURL() : '' );
1164
1165                 $logourl = $this->getLogo();
1166                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1167                 return $s;
1168         }
1169
1170         /**
1171          * show a drop-down box of special pages
1172          */
1173         function specialPagesList() {
1174                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1175                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1176                 foreach ( $pages as $name => $page ) {
1177                         $pages[$name] = $page->getDescription();
1178                 }
1179
1180                 $go = wfMsg( 'go' );
1181                 $sp = wfMsg( 'specialpages' );
1182                 $spp = $wgContLang->specialPage( 'Specialpages' );
1183
1184                 $s = '<form id="specialpages" method="get" class="inline" ' .
1185                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1186                 $s .= "<select name=\"wpDropdown\">\n";
1187                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1188
1189
1190                 foreach ( $pages as $name => $desc ) {
1191                         $p = $wgContLang->specialPage( $name );
1192                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1193                 }
1194                 $s .= "</select>\n";
1195                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1196                 $s .= "</form>\n";
1197                 return $s;
1198         }
1199
1200         function mainPageLink() {
1201                 $s = $this->makeKnownLinkObj( Title::newMainPage(), wfMsg( 'mainpage' ) );
1202                 return $s;
1203         }
1204
1205         function copyrightLink() {
1206                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1207                   wfMsg( 'copyrightpagename' ) );
1208                 return $s;
1209         }
1210
1211         private function footerLink ( $desc, $page ) {
1212                 // if the link description has been set to "-" in the default language,
1213                 if ( wfMsgForContent( $desc )  == '-') {
1214                         // then it is disabled, for all languages.
1215                         return '';
1216                 } else {
1217                         // Otherwise, we display the link for the user, described in their
1218                         // language (which may or may not be the same as the default language),
1219                         // but we make the link target be the one site-wide page.
1220                         return $this->makeKnownLink( wfMsgForContent( $page ), wfMsg( $desc ) );
1221                 }
1222         }
1223
1224         function privacyLink() {
1225                 return $this->footerLink( 'privacy', 'privacypage' );
1226         }
1227
1228         function aboutLink() {
1229                 return $this->footerLink( 'aboutsite', 'aboutpage' );
1230         }
1231
1232         function disclaimerLink() {
1233                 return $this->footerLink( 'disclaimers', 'disclaimerpage' );
1234         }
1235
1236         function editThisPage() {
1237                 global $wgOut, $wgTitle;
1238
1239                 if ( ! $wgOut->isArticleRelated() ) {
1240                         $s = wfMsg( 'protectedpage' );
1241                 } else {
1242                         if ( $wgTitle->userCan( 'edit' ) ) {
1243                                 $t = wfMsg( 'editthispage' );
1244                         } else {
1245                                 $t = wfMsg( 'viewsource' );
1246                         }
1247
1248                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1249                 }
1250                 return $s;
1251         }
1252
1253         /**
1254          * Return URL options for the 'edit page' link.
1255          * This may include an 'oldid' specifier, if the current page view is such.
1256          *
1257          * @return string
1258          * @private
1259          */
1260         function editUrlOptions() {
1261                 global $wgArticle;
1262
1263                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1264                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1265                 } else {
1266                         return "action=edit";
1267                 }
1268         }
1269
1270         function deleteThisPage() {
1271                 global $wgUser, $wgTitle, $wgRequest;
1272
1273                 $diff = $wgRequest->getVal( 'diff' );
1274                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1275                         $t = wfMsg( 'deletethispage' );
1276
1277                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1278                 } else {
1279                         $s = '';
1280                 }
1281                 return $s;
1282         }
1283
1284         function protectThisPage() {
1285                 global $wgUser, $wgTitle, $wgRequest;
1286
1287                 $diff = $wgRequest->getVal( 'diff' );
1288                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1289                         if ( $wgTitle->isProtected() ) {
1290                                 $t = wfMsg( 'unprotectthispage' );
1291                                 $q = 'action=unprotect';
1292                         } else {
1293                                 $t = wfMsg( 'protectthispage' );
1294                                 $q = 'action=protect';
1295                         }
1296                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1297                 } else {
1298                         $s = '';
1299                 }
1300                 return $s;
1301         }
1302
1303         function watchThisPage() {
1304                 global $wgOut, $wgTitle;
1305                 ++$this->mWatchLinkNum;
1306
1307                 if ( $wgOut->isArticleRelated() ) {
1308                         if ( $wgTitle->userIsWatching() ) {
1309                                 $t = wfMsg( 'unwatchthispage' );
1310                                 $q = 'action=unwatch';
1311                                 $id = "mw-unwatch-link".$this->mWatchLinkNum;
1312                         } else {
1313                                 $t = wfMsg( 'watchthispage' );
1314                                 $q = 'action=watch';
1315                                 $id = 'mw-watch-link'.$this->mWatchLinkNum;
1316                         }
1317                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q, '', '', " id=\"$id\"" );
1318                 } else {
1319                         $s = wfMsg( 'notanarticle' );
1320                 }
1321                 return $s;
1322         }
1323
1324         function moveThisPage() {
1325                 global $wgTitle;
1326
1327                 if ( $wgTitle->userCan( 'move' ) ) {
1328                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1329                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1330                 } else {
1331                         // no message if page is protected - would be redundant
1332                         return '';
1333                 }
1334         }
1335
1336         function historyLink() {
1337                 global $wgTitle;
1338
1339                 return $this->makeKnownLinkObj( $wgTitle,
1340                   wfMsg( 'history' ), 'action=history' );
1341         }
1342
1343         function whatLinksHere() {
1344                 global $wgTitle;
1345
1346                 return $this->makeKnownLinkObj(
1347                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1348                         wfMsg( 'whatlinkshere' ) );
1349         }
1350
1351         function userContribsLink() {
1352                 global $wgTitle;
1353
1354                 return $this->makeKnownLinkObj(
1355                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1356                         wfMsg( 'contributions' ) );
1357         }
1358
1359         function showEmailUser( $id ) {
1360                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1361                 return $wgEnableEmail &&
1362                        $wgEnableUserEmail &&
1363                        $wgUser->isLoggedIn() && # show only to signed in users
1364                        0 != $id; # we can only email to non-anons ..
1365 #                      '' != $id->getEmail() && # who must have an email address stored ..
1366 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1367 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1368         }
1369
1370         function emailUserLink() {
1371                 global $wgTitle;
1372
1373                 return $this->makeKnownLinkObj(
1374                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1375                         wfMsg( 'emailuser' ) );
1376         }
1377
1378         function watchPageLinksLink() {
1379                 global $wgOut, $wgTitle;
1380
1381                 if ( ! $wgOut->isArticleRelated() ) {
1382                         return '(' . wfMsg( 'notanarticle' ) . ')';
1383                 } else {
1384                         return $this->makeKnownLinkObj(
1385                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1386                                 wfMsg( 'recentchangeslinked' ) );
1387                 }
1388         }
1389
1390         function trackbackLink() {
1391                 global $wgTitle;
1392
1393                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1394                         . wfMsg('trackbacklink') . "</a>";
1395         }
1396
1397         function otherLanguages() {
1398                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1399
1400                 if ( $wgHideInterlanguageLinks ) {
1401                         return '';
1402                 }
1403
1404                 $a = $wgOut->getLanguageLinks();
1405                 if ( 0 == count( $a ) ) {
1406                         return '';
1407                 }
1408
1409                 $s = wfMsg( 'otherlanguages' ) . ': ';
1410                 $first = true;
1411                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1412                 foreach( $a as $l ) {
1413                         if ( ! $first ) { $s .= ' | '; }
1414                         $first = false;
1415
1416                         $nt = Title::newFromText( $l );
1417                         $url = $nt->escapeFullURL();
1418                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1419
1420                         if ( '' == $text ) { $text = $l; }
1421                         $style = $this->getExternalLinkAttributes( $l, $text );
1422                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1423                 }
1424                 if($wgContLang->isRTL()) $s .= '</span>';
1425                 return $s;
1426         }
1427
1428         function bugReportsLink() {
1429                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1430                   wfMsg( 'bugreports' ) );
1431                 return $s;
1432         }
1433
1434         function talkLink() {
1435                 global $wgTitle;
1436
1437                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1438                         # No discussion links for special pages
1439                         return '';
1440                 }
1441
1442                 if( $wgTitle->isTalkPage() ) {
1443                         $link = $wgTitle->getSubjectPage();
1444                         switch( $link->getNamespace() ) {
1445                                 case NS_MAIN:
1446                                         $text = wfMsg( 'articlepage' );
1447                                         break;
1448                                 case NS_USER:
1449                                         $text = wfMsg( 'userpage' );
1450                                         break;
1451                                 case NS_PROJECT:
1452                                         $text = wfMsg( 'projectpage' );
1453                                         break;
1454                                 case NS_IMAGE:
1455                                         $text = wfMsg( 'imagepage' );
1456                                         break;
1457                                 case NS_MEDIAWIKI:
1458                                         $text = wfMsg( 'mediawikipage' );
1459                                         break;
1460                                 case NS_TEMPLATE:
1461                                         $text = wfMsg( 'templatepage' );
1462                                         break;
1463                                 case NS_HELP:
1464                                         $text = wfMsg( 'viewhelppage' );
1465                                         break;
1466                                 case NS_CATEGORY:
1467                                         $text = wfMsg( 'categorypage' );
1468                                         break;
1469                                 default:
1470                                         $text = wfMsg( 'articlepage' );
1471                         }
1472                 } else {
1473                         $link = $wgTitle->getTalkPage();
1474                         $text = wfMsg( 'talkpage' );
1475                 }
1476
1477                 $s = $this->makeLinkObj( $link, $text );
1478
1479                 return $s;
1480         }
1481
1482         function commentLink() {
1483                 global $wgTitle, $wgOut;
1484
1485                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1486                         return '';
1487                 }
1488
1489                 # __NEWSECTIONLINK___ changes behaviour here
1490                 # If it's present, the link points to this page, otherwise
1491                 # it points to the talk page
1492                 if( $wgTitle->isTalkPage() ) {
1493                         $title =& $wgTitle;
1494                 } elseif( $wgOut->showNewSectionLink() ) {
1495                         $title =& $wgTitle;
1496                 } else {
1497                         $title =& $wgTitle->getTalkPage();
1498                 }
1499
1500                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1501         }
1502
1503         /* these are used extensively in SkinTemplate, but also some other places */
1504         static function makeMainPageUrl( $urlaction = '' ) {
1505                 $title = Title::newMainPage();
1506                 self::checkTitle( $title, '' );
1507                 return $title->getLocalURL( $urlaction );
1508         }
1509
1510         static function makeSpecialUrl( $name, $urlaction = '' ) {
1511                 $title = SpecialPage::getTitleFor( $name );
1512                 return $title->getLocalURL( $urlaction );
1513         }
1514
1515         static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
1516                 $title = SpecialPage::getSafeTitleFor( $name, $subpage );
1517                 return $title->getLocalURL( $urlaction );
1518         }
1519
1520         static function makeI18nUrl( $name, $urlaction = '' ) {
1521                 $title = Title::newFromText( wfMsgForContent( $name ) );
1522                 self::checkTitle( $title, $name );
1523                 return $title->getLocalURL( $urlaction );
1524         }
1525
1526         static function makeUrl( $name, $urlaction = '' ) {
1527                 $title = Title::newFromText( $name );
1528                 self::checkTitle( $title, $name );
1529                 return $title->getLocalURL( $urlaction );
1530         }
1531
1532         # If url string starts with http, consider as external URL, else
1533         # internal
1534         static function makeInternalOrExternalUrl( $name ) {
1535                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1536                         return $name;
1537                 } else {
1538                         return self::makeUrl( $name );
1539                 }
1540         }
1541
1542         # this can be passed the NS number as defined in Language.php
1543         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1544                 $title = Title::makeTitleSafe( $namespace, $name );
1545                 self::checkTitle( $title, $name );
1546                 return $title->getLocalURL( $urlaction );
1547         }
1548
1549         /* these return an array with the 'href' and boolean 'exists' */
1550         static function makeUrlDetails( $name, $urlaction = '' ) {
1551                 $title = Title::newFromText( $name );
1552                 self::checkTitle( $title, $name );
1553                 return array(
1554                         'href' => $title->getLocalURL( $urlaction ),
1555                         'exists' => $title->getArticleID() != 0 ? true : false
1556                 );
1557         }
1558
1559         /**
1560          * Make URL details where the article exists (or at least it's convenient to think so)
1561          */
1562         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1563                 $title = Title::newFromText( $name );
1564                 self::checkTitle( $title, $name );
1565                 return array(
1566                         'href' => $title->getLocalURL( $urlaction ),
1567                         'exists' => true
1568                 );
1569         }
1570
1571         # make sure we have some title to operate on
1572         static function checkTitle( &$title, $name ) {
1573                 if( !is_object( $title ) ) {
1574                         $title = Title::newFromText( $name );
1575                         if( !is_object( $title ) ) {
1576                                 $title = Title::newFromText( '--error: link target missing--' );
1577                         }
1578                 }
1579         }
1580
1581         /**
1582          * Build an array that represents the sidebar(s), the navigation bar among them
1583          *
1584          * @return array
1585          * @private
1586          */
1587         function buildSidebar() {
1588                 global $parserMemc, $wgEnableSidebarCache;
1589                 global $wgLang, $wgContLang;
1590
1591                 $fname = 'SkinTemplate::buildSidebar';
1592
1593                 wfProfileIn( $fname );
1594
1595                 $key = wfMemcKey( 'sidebar' );
1596                 $cacheSidebar = $wgEnableSidebarCache &&
1597                         ($wgLang->getCode() == $wgContLang->getCode());
1598
1599                 if ($cacheSidebar) {
1600                         $cachedsidebar = $parserMemc->get( $key );
1601                         if ($cachedsidebar!="") {
1602                                 wfProfileOut($fname);
1603                                 return $cachedsidebar;
1604                         }
1605                 }
1606
1607                 $bar = array();
1608                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1609                 foreach ($lines as $line) {
1610                         if (strpos($line, '*') !== 0)
1611                                 continue;
1612                         if (strpos($line, '**') !== 0) {
1613                                 $line = trim($line, '* ');
1614                                 $heading = $line;
1615                         } else {
1616                                 if (strpos($line, '|') !== false) { // sanity check
1617                                         $line = explode( '|' , trim($line, '* '), 2 );
1618                                         $link = wfMsgForContent( $line[0] );
1619                                         if ($link == '-')
1620                                                 continue;
1621                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1622                                                 $text = $line[1];
1623                                         if (wfEmptyMsg($line[0], $link))
1624                                                 $link = $line[0];
1625
1626                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1627                                                 $href = $link;
1628                                         } else {
1629                                                 $title = Title::newFromText( $link );
1630                                                 if ( $title ) {
1631                                                         $title = $title->fixSpecialName();
1632                                                         $href = $title->getLocalURL();
1633                                                 } else {
1634                                                         $href = 'INVALID-TITLE';
1635                                                 }
1636                                         }
1637
1638                                         $bar[$heading][] = array(
1639                                                 'text' => $text,
1640                                                 'href' => $href,
1641                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1642                                                 'active' => false
1643                                         );
1644                                 } else { continue; }
1645                         }
1646                 }
1647                 if ($cacheSidebar)
1648                         $parserMemc->set( $key, $bar, 86400 );
1649                 wfProfileOut( $fname );
1650                 return $bar;
1651         }
1652 }
1653 ?>