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 = $skinDir->read())) {
  50                                 // Skip non-PHP files, hidden files, and '.dep' includes
  51                                 if(preg_match('/^([^.]*)\.php$/',$file, $matches)) {
  52                                         $aSkin = $matches[1];
  53                                         $wgValidSkinNames[strtolower($aSkin)] = $aSkin;
  54                                 }
  55                         }
  56                         $skinDir->close();
  57                         $skinsInitialised = true;
  58                         wfProfileOut( __METHOD__ . '-init' );
  59                 }
  60                 return $wgValidSkinNames;
  61         }
  62
  63         /**
  64          * Normalize a skin preference value to a form that can be loaded.
  65          * If a skin can't be found, it will fall back to the configured
  66          * default (or the old 'Classic' skin if that's broken).
  67          * @param string $key
  68          * @return string
  69          * @static
  70          */
  71         static function normalizeKey( $key ) {
  72                 global $wgDefaultSkin;
  73                 $skinNames = Skin::getSkinNames();
  74
  75                 if( $key == '' ) {
  76                         // Don't return the default immediately;
  77                         // in a misconfiguration we need to fall back.
  78                         $key = $wgDefaultSkin;
  79                 }
  80
  81                 if( isset( $skinNames[$key] ) ) {
  82                         return $key;
  83                 }
  84
  85                 // Older versions of the software used a numeric setting
  86                 // in the user preferences.
  87                 $fallback = array(
  88                         0 => $wgDefaultSkin,
  89                         1 => 'nostalgia',
  90                         2 => 'cologneblue' );
  91
  92                 if( isset( $fallback[$key] ) ){
  93                         $key = $fallback[$key];
  94                 }
  95
  96                 if( isset( $skinNames[$key] ) ) {
  97                         return $key;
  98                 } else {
  99                         // The old built-in skin
 100                         return 'standard';
 101                 }
 102         }
 103
 104         /**
 105          * Factory method for loading a skin of a given type
 106          * @param string $key 'monobook', 'standard', etc
 107          * @return Skin
 108          * @static
 109          */
 110         static function &newFromKey( $key ) {
 111                 global $wgStyleDirectory;
 112
 113                 $key = Skin::normalizeKey( $key );
 114
 115                 $skinNames = Skin::getSkinNames();
 116                 $skinName = $skinNames[$key];
 117
 118                 # Grab the skin class and initialise it.
 119                 wfSuppressWarnings();
 120                 // Preload base classes to work around APC/PHP5 bug
 121                 include_once( "{$wgStyleDirectory}/{$skinName}.deps.php" );
 122                 wfRestoreWarnings();
 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                 $nsname = @$wgCanonicalNamespaceNames[ $wgTitle->getNamespace() ];
 304                 if ( $nsname === NULL ) $nsname = $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                 $action = $wgRequest->getText('action');
 374                 $s = "@import \"$wgStylePath/common/common.css?$wgStyleVersion\";\n";
 375                 $s .= "@import \"$wgStylePath/$sheet?$wgStyleVersion\";\n";
 376                 if($wgContLang->isRTL()) $s .= "@import \"$wgStylePath/common/common_rtl.css?$wgStyleVersion\";\n";
 377
 378                 $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
 379                 $s .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) . "\";\n" .
 380                         '@import "' . self::makeNSUrl( ucfirst( $this->getSkinName() . '.css' ), $query, NS_MEDIAWIKI ) . "\";\n";
 381
 382                 $s .= $this->doGetUserStyles();
 383                 return $s."\n";
 384         }
 385
 386         /**
 387          * This returns MediaWiki:Common.js.  For some bizarre reason, it does
 388          * *not* return any custom user JS from user subpages.  Huh?
 389          *
 390          * @return string
 391          */
 392         function getUserJs() {
 393                 $fname = 'Skin::getUserJs';
 394                 wfProfileIn( $fname );
 395
 396                 global $wgStylePath;
 397                 $s = "/* generated javascript */\n";
 398                 $s .= "var skin = '{$this->skinname}';\nvar stylepath = '{$wgStylePath}';";
 399                 $s .= "\n\n/* MediaWiki:Common.js */\n";
 400                 $commonJs = wfMsgForContent('Common.js');
 401                 if ( !wfEmptyMsg ( 'Common.js', $commonJs ) ) {
 402                         $s .= $commonJs;
 403                 }
 404
 405                 wfProfileOut( $fname );
 406                 return $s;
 407     }
 408
 409         /**
 410          * Return html code that include User stylesheets
 411          */
 412         function getUserStyles() {
 413                 $s = "<style type='text/css'>\n";
 414                 $s .= "/*/*/ /*<![CDATA[*/\n"; # <-- Hide the styles from Netscape 4 without hiding them from IE/Mac
 415                 $s .= $this->getUserStylesheet();
 416                 $s .= "/*]]>*/ /* */\n";
 417                 $s .= "</style>\n";
 418                 return $s;
 419         }
 420
 421         /**
 422          * Some styles that are set by user through the user settings interface.
 423          */
 424         function doGetUserStyles() {
 425                 global $wgUser, $wgUser, $wgRequest, $wgTitle, $wgAllowUserCss;
 426
 427                 $s = '';
 428
 429                 if( $wgAllowUserCss && $wgUser->isLoggedIn() ) { # logged in
 430                         if($wgTitle->isCssSubpage() && $this->userCanPreview( $wgRequest->getText( 'action' ) ) ) {
 431                                 $s .= $wgRequest->getText('wpTextbox1');
 432                         } else {
 433                                 $userpage = $wgUser->getUserPage();
 434                                 $s.= '@import "'.self::makeUrl(
 435                                         $userpage->getPrefixedText().'/'.$this->getSkinName().'.css',
 436                                         'action=raw&ctype=text/css').'";'."\n";
 437                         }
 438                 }
 439
 440                 return $s . $this->reallyDoGetUserStyles();
 441         }
 442
 443         function reallyDoGetUserStyles() {
 444                 global $wgUser;
 445                 $s = '';
 446                 if (($undopt = $wgUser->getOption("underline")) != 2) {
 447                         $underline = $undopt ? 'underline' : 'none';
 448                         $s .= "a { text-decoration: $underline; }\n";
 449                 }
 450                 if( $wgUser->getOption( 'highlightbroken' ) ) {
 451                         $s .= "a.new, #quickbar a.new { color: #CC2200; }\n";
 452                 } else {
 453                         $s .= <<<END
 454 a.new, #quickbar a.new,
 455 a.stub, #quickbar a.stub {
 456         color: inherit;
 457         text-decoration: inherit;
 458 }
 459 a.new:after, #quickbar a.new:after {
 460         content: "?";
 461         color: #CC2200;
 462         text-decoration: $underline;
 463 }
 464 a.stub:after, #quickbar a.stub:after {
 465         content: "!";
 466         color: #772233;
 467         text-decoration: $underline;
 468 }
 469 END;
 470                 }
 471                 if( $wgUser->getOption( 'justify' ) ) {
 472                         $s .= "#article, #bodyContent { text-align: justify; }\n";
 473                 }
 474                 if( !$wgUser->getOption( 'showtoc' ) ) {
 475                         $s .= "#toc { display: none; }\n";
 476                 }
 477                 if( !$wgUser->getOption( 'editsection' ) ) {
 478                         $s .= ".editsection { display: none; }\n";
 479                 }
 480                 return $s;
 481         }
 482
 483         function getBodyOptions() {
 484                 global $wgUser, $wgTitle, $wgOut, $wgRequest, $wgContLang;
 485
 486                 extract( $wgRequest->getValues( 'oldid', 'redirect', 'diff' ) );
 487
 488                 if ( 0 != $wgTitle->getNamespace() ) {
 489                         $a = array( 'bgcolor' => '#ffffec' );
 490                 }
 491                 else $a = array( 'bgcolor' => '#FFFFFF' );
 492                 if($wgOut->isArticle() && $wgUser->getOption('editondblclick') &&
 493                   $wgTitle->userCanEdit() ) {
 494                         $t = wfMsg( 'editthispage' );
 495                         $s = $wgTitle->getFullURL( $this->editUrlOptions() );
 496                         $s = 'document.location = "' .wfEscapeJSString( $s ) .'";';
 497                         $a += array ('ondblclick' => $s);
 498
 499                 }
 500                 $a['onload'] = $wgOut->getOnloadHandler();
 501                 if( $wgUser->getOption( 'editsectiononrightclick' ) ) {
 502                         if( $a['onload'] != '' ) {
 503                                 $a['onload'] .= ';';
 504                         }
 505                         $a['onload'] .= 'setupRightClickEdit()';
 506                 }
 507                 $a['class'] = 'ns-'.$wgTitle->getNamespace().' '.($wgContLang->isRTL() ? "rtl" : "ltr").
 508                 ' '.Sanitizer::escapeId( 'page-'.$wgTitle->getPrefixedText() );
 509                 return $a;
 510         }
 511
 512         /**
 513          * URL to the logo
 514          */
 515         function getLogo() {
 516                 global $wgLogo;
 517                 return $wgLogo;
 518         }
 519
 520         /**
 521          * This will be called immediately after the <body> tag.  Split into
 522          * two functions to make it easier to subclass.
 523          */
 524         function beforeContent() {
 525                 return $this->doBeforeContent();
 526         }
 527
 528         function doBeforeContent() {
 529                 global $wgContLang;
 530                 $fname = 'Skin::doBeforeContent';
 531                 wfProfileIn( $fname );
 532
 533                 $s = '';
 534                 $qb = $this->qbSetting();
 535
 536                 if( $langlinks = $this->otherLanguages() ) {
 537                         $rows = 2;
 538                         $borderhack = '';
 539                 } else {
 540                         $rows = 1;
 541                         $langlinks = false;
 542                         $borderhack = 'class="top"';
 543                 }
 544
 545                 $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
 546                   "<table border='0' cellspacing='0' width='98%'>\n<tr>\n";
 547
 548                 $shove = ($qb != 0);
 549                 $left = ($qb == 1 || $qb == 3);
 550                 if($wgContLang->isRTL()) $left = !$left;
 551
 552                 if ( !$shove ) {
 553                         $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
 554                           $this->logoText() . '</td>';
 555                 } elseif( $left ) {
 556                         $s .= $this->getQuickbarCompensator( $rows );
 557                 }
 558                 $l = $wgContLang->isRTL() ? 'right' : 'left';
 559                 $s .= "<td {$borderhack} align='$l' valign='top'>\n";
 560
 561                 $s .= $this->topLinks() ;
 562                 $s .= "<p class='subtitle'>" . $this->pageTitleLinks() . "</p>\n";
 563
 564                 $r = $wgContLang->isRTL() ? "left" : "right";
 565                 $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
 566                 $s .= $this->nameAndLogin();
 567                 $s .= "\n<br />" . $this->searchForm() . "</td>";
 568
 569                 if ( $langlinks ) {
 570                         $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
 571                 }
 572
 573                 if ( $shove && !$left ) { # Right
 574                         $s .= $this->getQuickbarCompensator( $rows );
 575                 }
 576                 $s .= "</tr>\n</table>\n</div>\n";
 577                 $s .= "\n<div id='article'>\n";
 578
 579                 $notice = wfGetSiteNotice();
 580                 if( $notice ) {
 581                         $s .= "\n<div id='siteNotice'>$notice</div>\n";
 582                 }
 583                 $s .= $this->pageTitle();
 584                 $s .= $this->pageSubtitle() ;
 585                 $s .= $this->getCategories();
 586                 wfProfileOut( $fname );
 587                 return $s;
 588         }
 589
 590
 591         function getCategoryLinks () {
 592                 global $wgOut, $wgTitle, $wgUseCategoryBrowser;
 593                 global $wgContLang;
 594
 595                 if( count( $wgOut->mCategoryLinks ) == 0 ) return '';
 596
 597                 # Separator
 598                 $sep = wfMsgHtml( 'catseparator' );
 599
 600                 // Use Unicode bidi embedding override characters,
 601                 // to make sure links don't smash each other up in ugly ways.
 602                 $dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
 603                 $embed = "<span dir='$dir'>";
 604                 $pop = '</span>';
 605                 $t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;
 606
 607                 $msg = wfMsgExt( 'pagecategories', array( 'parsemag', 'escape' ), count( $wgOut->mCategoryLinks ) );
 608                 $s = $this->makeLinkObj( Title::newFromText( wfMsgForContent('pagecategorieslink') ), $msg )
 609                         . ': ' . $t;
 610
 611                 # optional 'dmoz-like' category browser. Will be shown under the list
 612                 # of categories an article belong to
 613                 if($wgUseCategoryBrowser) {
 614                         $s .= '<br /><hr />';
 615
 616                         # get a big array of the parents tree
 617                         $parenttree = $wgTitle->getParentCategoryTree();
 618                         # Skin object passed by reference cause it can not be
 619                         # accessed under the method subfunction drawCategoryBrowser
 620                         $tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
 621                         # Clean out bogus first entry and sort them
 622                         unset($tempout[0]);
 623                         asort($tempout);
 624                         # Output one per line
 625                         $s .= implode("<br />\n", $tempout);
 626                 }
 627
 628                 return $s;
 629         }
 630
 631         /** Render the array as a serie of links.
 632          * @param $tree Array: categories tree returned by Title::getParentCategoryTree
 633          * @param &skin Object: skin passed by reference
 634          * @return String separated by &gt;, terminate with "\n"
 635          */
 636         function drawCategoryBrowser($tree, &$skin) {
 637                 $return = '';
 638                 foreach ($tree as $element => $parent) {
 639                         if (empty($parent)) {
 640                                 # element start a new list
 641                                 $return .= "\n";
 642                         } else {
 643                                 # grab the others elements
 644                                 $return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
 645                         }
 646                         # add our current element to the list
 647                         $eltitle = Title::NewFromText($element);
 648                         $return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
 649                 }
 650                 return $return;
 651         }
 652
 653         function getCategories() {
 654                 $catlinks=$this->getCategoryLinks();
 655                 if(!empty($catlinks)) {
 656                         return "<p class='catlinks'>{$catlinks}</p>";
 657                 }
 658         }
 659
 660         function getQuickbarCompensator( $rows = 1 ) {
 661                 return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
 662         }
 663
 664         /**
 665          * This gets called shortly before the \</body\> tag.
 666          * @return String HTML to be put before \</body\>
 667          */
 668         function afterContent() {
 669                 $printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
 670                 return $printfooter . $this->doAfterContent();
 671         }
 672
 673         /**
 674          * This gets called shortly before the \</body\> tag.
 675          * @return String HTML-wrapped JS code to be put before \</body\>
 676          */
 677         function bottomScripts() {
 678                 global $wgJsMimeType;
 679                 return "\n\t\t<script type=\"$wgJsMimeType\">if (window.runOnloadHook) runOnloadHook();</script>\n";
 680         }
 681
 682         /** @return string Retrievied from HTML text */
 683         function printSource() {
 684                 global $wgTitle;
 685                 $url = htmlspecialchars( $wgTitle->getFullURL() );
 686                 return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
 687         }
 688
 689         function printFooter() {
 690                 return "<p>" .  $this->printSource() .
 691                         "</p>\n\n<p>" . $this->pageStats() . "</p>\n";
 692         }
 693
 694         /** overloaded by derived classes */
 695         function doAfterContent() { }
 696
 697         function pageTitleLinks() {
 698                 global $wgOut, $wgTitle, $wgUser, $wgRequest;
 699
 700                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
 701                 $action = $wgRequest->getText( 'action' );
 702
 703                 $s = $this->printableLink();
 704                 $disclaimer = $this->disclaimerLink(); # may be empty
 705                 if( $disclaimer ) {
 706                         $s .= ' | ' . $disclaimer;
 707                 }
 708                 $privacy = $this->privacyLink(); # may be empty too
 709                 if( $privacy ) {
 710                         $s .= ' | ' . $privacy;
 711                 }
 712
 713                 if ( $wgOut->isArticleRelated() ) {
 714                         if ( $wgTitle->getNamespace() == NS_IMAGE ) {
 715                                 $name = $wgTitle->getDBkey();
 716                                 $image = new Image( $wgTitle );
 717                                 if( $image->exists() ) {
 718                                         $link = htmlspecialchars( $image->getURL() );
 719                                         $style = $this->getInternalLinkAttributes( $link, $name );
 720                                         $s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
 721                                 }
 722                         }
 723                 }
 724                 if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
 725                         $s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
 726                                         wfMsg( 'currentrev' ) );
 727                 }
 728
 729                 if ( $wgUser->getNewtalk() ) {
 730                         # do not show "You have new messages" text when we are viewing our
 731                         # own talk page
 732                         if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
 733                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
 734                                 $dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
 735                                 $s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
 736                                 # disable caching
 737                                 $wgOut->setSquidMaxage(0);
 738                                 $wgOut->enableClientCache(false);
 739                         }
 740                 }
 741
 742                 $undelete = $this->getUndeleteLink();
 743                 if( !empty( $undelete ) ) {
 744                         $s .= ' | '.$undelete;
 745                 }
 746                 return $s;
 747         }
 748
 749         function getUndeleteLink() {
 750                 global $wgUser, $wgTitle, $wgContLang, $action;
 751                 if(     $wgUser->isAllowed( 'deletedhistory' ) &&
 752                         (($wgTitle->getArticleId() == 0) || ($action == "history")) &&
 753                         ($n = $wgTitle->isDeleted() ) )
 754                 {
 755                         if ( $wgUser->isAllowed( 'delete' ) ) {
 756                                 $msg = 'thisisdeleted';
 757                         } else {
 758                                 $msg = 'viewdeleted';
 759                         }
 760                         return wfMsg( $msg,
 761                                 $this->makeKnownLink(
 762                                         $wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
 763                                         wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
 764                 }
 765                 return '';
 766         }
 767
 768         function printableLink() {
 769                 global $wgOut, $wgFeedClasses, $wgRequest;
 770
 771                 $baseurl = $_SERVER['REQUEST_URI'];
 772                 if( strpos( '?', $baseurl ) == false ) {
 773                         $baseurl .= '?';
 774                 } else {
 775                         $baseurl .= '&';
 776                 }
 777                 $baseurl = htmlspecialchars( $baseurl );
 778                 $printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );
 779
 780                 $s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
 781                 if( $wgOut->isSyndicated() ) {
 782                         foreach( $wgFeedClasses as $format => $class ) {
 783                                 $feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
 784                                 $s .= " | <a href=\"$feedurl\">{$format}</a>";
 785                         }
 786                 }
 787                 return $s;
 788         }
 789
 790         function pageTitle() {
 791                 global $wgOut;
 792                 $s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
 793                 return $s;
 794         }
 795
 796         function pageSubtitle() {
 797                 global $wgOut;
 798
 799                 $sub = $wgOut->getSubtitle();
 800                 if ( '' == $sub ) {
 801                         global $wgExtraSubtitle;
 802                         $sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
 803                 }
 804                 $subpages = $this->subPageSubtitle();
 805                 $sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
 806                 $s = "<p class='subtitle'>{$sub}</p>\n";
 807                 return $s;
 808         }
 809
 810         function subPageSubtitle() {
 811                 global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
 812                 $subpages = '';
 813                 if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
 814                         $ptext=$wgTitle->getPrefixedText();
 815                         if(preg_match('/\//',$ptext)) {
 816                                 $links = explode('/',$ptext);
 817                                 $c = 0;
 818                                 $growinglink = '';
 819                                 foreach($links as $link) {
 820                                         $c++;
 821                                         if ($c<count($links)) {
 822                                                 $growinglink .= $link;
 823                                                 $getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
 824                                                 if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
 825                                                 if ($c>1) {
 826                                                         $subpages .= ' | ';
 827                                                 } else  {
 828                                                         $subpages .= '&lt; ';
 829                                                 }
 830                                                 $subpages .= $getlink;
 831                                                 $growinglink .= '/';
 832                                         }
 833                                 }
 834                         }
 835                 }
 836                 return $subpages;
 837         }
 838
 839         function nameAndLogin() {
 840                 global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;
 841
 842                 $li = $wgContLang->specialPage( 'Userlogin' );
 843                 $lo = $wgContLang->specialPage( 'Userlogout' );
 844
 845                 $s = '';
 846                 if ( $wgUser->isAnon() ) {
 847                         if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
 848                                 $n = wfGetIP();
 849
 850                                 $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 851                                   $wgLang->getNsText( NS_TALK ) );
 852
 853                                 $s .= $n . ' ('.$tl.')';
 854                         } else {
 855                                 $s .= wfMsg('notloggedin');
 856                         }
 857
 858                         $rt = $wgTitle->getPrefixedURL();
 859                         if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
 860                                 $q = '';
 861                         } else { $q = "returnto={$rt}"; }
 862
 863                         $s .= "\n<br />" . $this->makeKnownLinkObj(
 864                                 SpecialPage::getTitleFor( 'Userlogin' ),
 865                                 wfMsg( 'login' ), $q );
 866                 } else {
 867                         $n = $wgUser->getName();
 868                         $rt = $wgTitle->getPrefixedURL();
 869                         $tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
 870                           $wgLang->getNsText( NS_TALK ) );
 871
 872                         $tl = " ({$tl})";
 873
 874                         $s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
 875                           $n ) . "{$tl}<br />" .
 876                           $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
 877                           "returnto={$rt}" ) . ' | ' .
 878                           $this->specialLink( 'preferences' );
 879                 }
 880                 $s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
 881                   wfMsg( 'help' ) );
 882
 883                 return $s;
 884         }
 885
 886         function getSearchLink() {
 887                 $searchPage =& SpecialPage::getTitleFor( 'Search' );
 888                 return $searchPage->getLocalURL();
 889         }
 890
 891         function escapeSearchLink() {
 892                 return htmlspecialchars( $this->getSearchLink() );
 893         }
 894
 895         function searchForm() {
 896                 global $wgRequest;
 897                 $search = $wgRequest->getText( 'search' );
 898
 899                 $s = '<form name="search" class="inline" method="post" action="'
 900                   . $this->escapeSearchLink() . "\">\n"
 901                   . '<input type="text" name="search" size="19" value="'
 902                   . htmlspecialchars(substr($search,0,256)) . "\" />\n"
 903                   . '<input type="submit" name="go" value="' . wfMsg ('searcharticle') . '" />&nbsp;'
 904                   . '<input type="submit" name="fulltext" value="' . wfMsg ('searchbutton') . "\" />\n</form>";
 905
 906                 return $s;
 907         }
 908
 909         function topLinks() {
 910                 global $wgOut;
 911                 $sep = " |\n";
 912
 913                 $s = $this->mainPageLink() . $sep
 914                   . $this->specialLink( 'recentchanges' );
 915
 916                 if ( $wgOut->isArticleRelated() ) {
 917                         $s .=  $sep . $this->editThisPage()
 918                           . $sep . $this->historyLink();
 919                 }
 920                 # Many people don't like this dropdown box
 921                 #$s .= $sep . $this->specialPagesList();
 922
 923                 $s .= $this->variantLinks();
 924
 925                 $s .= $this->extensionTabLinks();
 926
 927                 return $s;
 928         }
 929
 930         /**
 931          * Compatibility for extensions adding functionality through tabs.
 932          * Eventually these old skins should be replaced with SkinTemplate-based
 933          * versions, sigh...
 934          * @return string
 935          */
 936         function extensionTabLinks() {
 937                 $tabs = array();
 938                 $s = '';
 939                 wfRunHooks( 'SkinTemplateTabs', array( $this, &$tabs ) );
 940                 foreach( $tabs as $tab ) {
 941                         $s .= ' | ' . Xml::element( 'a',
 942                                 array( 'href' => $tab['href'] ),
 943                                 $tab['text'] );
 944                 }
 945                 return $s;
 946         }
 947
 948         /**
 949          * Language/charset variant links for classic-style skins
 950          * @return string
 951          */
 952         function variantLinks() {
 953                 $s = '';
 954                 /* show links to different language variants */
 955                 global $wgDisableLangConversion, $wgContLang, $wgTitle;
 956                 $variants = $wgContLang->getVariants();
 957                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 958                         foreach( $variants as $code ) {
 959                                 $varname = $wgContLang->getVariantname( $code );
 960                                 if( $varname == 'disable' )
 961                                         continue;
 962                                 $s .= ' | <a href="' . $wgTitle->escapeLocalUrl( 'variant=' . $code ) . '">' . htmlspecialchars( $varname ) . '</a>';
 963                         }
 964                 }
 965                 return $s;
 966         }
 967
 968         function bottomLinks() {
 969                 global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
 970                 $sep = " |\n";
 971
 972                 $s = '';
 973                 if ( $wgOut->isArticleRelated() ) {
 974                         $s .= '<strong>' . $this->editThisPage() . '</strong>';
 975                         if ( $wgUser->isLoggedIn() ) {
 976                                 $s .= $sep . $this->watchThisPage();
 977                         }
 978                         $s .= $sep . $this->talkLink()
 979                           . $sep . $this->historyLink()
 980                           . $sep . $this->whatLinksHere()
 981                           . $sep . $this->watchPageLinksLink();
 982
 983                         if ($wgUseTrackbacks)
 984                                 $s .= $sep . $this->trackbackLink();
 985
 986                         if ( $wgTitle->getNamespace() == NS_USER
 987                             || $wgTitle->getNamespace() == NS_USER_TALK )
 988
 989                         {
 990                                 $id=User::idFromName($wgTitle->getText());
 991                                 $ip=User::isIP($wgTitle->getText());
 992
 993                                 if($id || $ip) { # both anons and non-anons have contri list
 994                                         $s .= $sep . $this->userContribsLink();
 995                                 }
 996                                 if( $this->showEmailUser( $id ) ) {
 997                                         $s .= $sep . $this->emailUserLink();
 998                                 }
 999                         }
1000                         if ( $wgTitle->getArticleId() ) {
1001                                 $s .= "\n<br />";
1002                                 if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
1003                                 if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
1004                                 if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
1005                         }
1006                         $s .= "<br />\n" . $this->otherLanguages();
1007                 }
1008                 return $s;
1009         }
1010
1011         function pageStats() {
1012                 global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
1013                 global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;
1014
1015                 extract( $wgRequest->getValues( 'oldid', 'diff' ) );
1016                 if ( ! $wgOut->isArticle() ) { return ''; }
1017                 if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
1018                 if ( 0 == $wgArticle->getID() ) { return ''; }
1019
1020                 $s = '';
1021                 if ( !$wgDisableCounters ) {
1022                         $count = $wgLang->formatNum( $wgArticle->getCount() );
1023                         if ( $count ) {
1024                                 $s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
1025                         }
1026                 }
1027
1028                 if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
1029                     require_once('Credits.php');
1030                     $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
1031                 } else {
1032                     $s .= $this->lastModified();
1033                 }
1034
1035                 if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
1036                         $dbr =& wfGetDB( DB_SLAVE );
1037                         $watchlist = $dbr->tableName( 'watchlist' );
1038                         $sql = "SELECT COUNT(*) AS n FROM $watchlist
1039                                 WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
1040                                 "' AND  wl_namespace=" . $wgTitle->getNamespace() ;
1041                         $res = $dbr->query( $sql, 'Skin::pageStats');
1042                         $x = $dbr->fetchObject( $res );
1043                         $s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
1044                 }
1045
1046                 return $s . ' ' .  $this->getCopyright();
1047         }
1048
1049         function getCopyright( $type = 'detect' ) {
1050                 global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;
1051
1052                 if ( $type == 'detect' ) {
1053                         $oldid = $wgRequest->getVal( 'oldid' );
1054                         $diff = $wgRequest->getVal( 'diff' );
1055
1056                         if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
1057                                 $type = 'history';
1058                         } else {
1059                                 $type = 'normal';
1060                         }
1061                 }
1062
1063                 if ( $type == 'history' ) {
1064                         $msg = 'history_copyright';
1065                 } else {
1066                         $msg = 'copyright';
1067                 }
1068
1069                 $out = '';
1070                 if( $wgRightsPage ) {
1071                         $link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
1072                 } elseif( $wgRightsUrl ) {
1073                         $link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
1074                 } else {
1075                         # Give up now
1076                         return $out;
1077                 }
1078                 $out .= wfMsgForContent( $msg, $link );
1079                 return $out;
1080         }
1081
1082         function getCopyrightIcon() {
1083                 global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
1084                 $out = '';
1085                 if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
1086                         $out = $wgCopyrightIcon;
1087                 } else if ( $wgRightsIcon ) {
1088                         $icon = htmlspecialchars( $wgRightsIcon );
1089                         if ( $wgRightsUrl ) {
1090                                 $url = htmlspecialchars( $wgRightsUrl );
1091                                 $out .= '<a href="'.$url.'">';
1092                         }
1093                         $text = htmlspecialchars( $wgRightsText );
1094                         $out .= "<img src=\"$icon\" alt='$text' />";
1095                         if ( $wgRightsUrl ) {
1096                                 $out .= '</a>';
1097                         }
1098                 }
1099                 return $out;
1100         }
1101
1102         function getPoweredBy() {
1103                 global $wgStylePath;
1104                 $url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
1105                 $img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
1106                 return $img;
1107         }
1108
1109         function lastModified() {
1110                 global $wgLang, $wgArticle, $wgLoadBalancer;
1111
1112                 $timestamp = $wgArticle->getTimestamp();
1113                 if ( $timestamp ) {
1114                         $d = $wgLang->date( $timestamp, true );
1115                         $t = $wgLang->time( $timestamp, true );
1116                         $s = ' ' . wfMsg( 'lastmodifiedat', $d, $t );
1117                 } else {
1118                         $s = '';
1119                 }
1120                 if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
1121                         $s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
1122                 }
1123                 return $s;
1124         }
1125
1126         function logoText( $align = '' ) {
1127                 if ( '' != $align ) { $a = " align='{$align}'"; }
1128                 else { $a = ''; }
1129
1130                 $mp = wfMsg( 'mainpage' );
1131                 $titleObj = Title::newFromText( $mp );
1132                 if ( is_object( $titleObj ) ) {
1133                         $url = $titleObj->escapeLocalURL();
1134                 } else {
1135                         $url = '';
1136                 }
1137
1138                 $logourl = $this->getLogo();
1139                 $s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
1140                 return $s;
1141         }
1142
1143         /**
1144          * show a drop-down box of special pages
1145          */
1146         function specialPagesList() {
1147                 global $wgUser, $wgContLang, $wgServer, $wgRedirectScript;
1148                 $a = array();
1149                 $pages = array_merge( SpecialPage::getRegularPages(), SpecialPage::getRestrictedPages() );
1150                 foreach ( $pages as $name => $page ) {
1151                         $pages[$name] = $page->getDescription();
1152                 }
1153
1154                 $go = wfMsg( 'go' );
1155                 $sp = wfMsg( 'specialpages' );
1156                 $spp = $wgContLang->specialPage( 'Specialpages' );
1157
1158                 $s = '<form id="specialpages" method="get" class="inline" ' .
1159                   'action="' . htmlspecialchars( "{$wgServer}{$wgRedirectScript}" ) . "\">\n";
1160                 $s .= "<select name=\"wpDropdown\">\n";
1161                 $s .= "<option value=\"{$spp}\">{$sp}</option>\n";
1162
1163
1164                 foreach ( $pages as $name => $desc ) {
1165                         $p = $wgContLang->specialPage( $name );
1166                         $s .= "<option value=\"{$p}\">{$desc}</option>\n";
1167                 }
1168                 $s .= "</select>\n";
1169                 $s .= "<input type='submit' value=\"{$go}\" name='redirect' />\n";
1170                 $s .= "</form>\n";
1171                 return $s;
1172         }
1173
1174         function mainPageLink() {
1175                 $mp = wfMsgForContent( 'mainpage' );
1176                 $mptxt = wfMsg( 'mainpage');
1177                 $s = $this->makeKnownLink( $mp, $mptxt );
1178                 return $s;
1179         }
1180
1181         function copyrightLink() {
1182                 $s = $this->makeKnownLink( wfMsgForContent( 'copyrightpage' ),
1183                   wfMsg( 'copyrightpagename' ) );
1184                 return $s;
1185         }
1186
1187         function privacyLink() {
1188                 $privacy = wfMsg( 'privacy' );
1189                 if ($privacy == '-') {
1190                         return '';
1191                 } else {
1192                         return $this->makeKnownLink( wfMsgForContent( 'privacypage' ), $privacy);
1193                 }
1194         }
1195
1196         function aboutLink() {
1197                 $s = $this->makeKnownLink( wfMsgForContent( 'aboutpage' ),
1198                   wfMsg( 'aboutsite' ) );
1199                 return $s;
1200         }
1201
1202         function disclaimerLink() {
1203                 $disclaimers = wfMsg( 'disclaimers' );
1204                 if ($disclaimers == '-') {
1205                         return '';
1206                 } else {
1207                         return $this->makeKnownLink( wfMsgForContent( 'disclaimerpage' ),
1208                                                      $disclaimers );
1209                 }
1210         }
1211
1212         function editThisPage() {
1213                 global $wgOut, $wgTitle;
1214
1215                 if ( ! $wgOut->isArticleRelated() ) {
1216                         $s = wfMsg( 'protectedpage' );
1217                 } else {
1218                         if ( $wgTitle->userCanEdit() ) {
1219                                 $t = wfMsg( 'editthispage' );
1220                         } else {
1221                                 $t = wfMsg( 'viewsource' );
1222                         }
1223
1224                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $this->editUrlOptions() );
1225                 }
1226                 return $s;
1227         }
1228
1229         /**
1230          * Return URL options for the 'edit page' link.
1231          * This may include an 'oldid' specifier, if the current page view is such.
1232          *
1233          * @return string
1234          * @private
1235          */
1236         function editUrlOptions() {
1237                 global $wgArticle;
1238
1239                 if( $this->mRevisionId && ! $wgArticle->isCurrent() ) {
1240                         return "action=edit&oldid=" . intval( $this->mRevisionId );
1241                 } else {
1242                         return "action=edit";
1243                 }
1244         }
1245
1246         function deleteThisPage() {
1247                 global $wgUser, $wgTitle, $wgRequest;
1248
1249                 $diff = $wgRequest->getVal( 'diff' );
1250                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('delete') ) {
1251                         $t = wfMsg( 'deletethispage' );
1252
1253                         $s = $this->makeKnownLinkObj( $wgTitle, $t, 'action=delete' );
1254                 } else {
1255                         $s = '';
1256                 }
1257                 return $s;
1258         }
1259
1260         function protectThisPage() {
1261                 global $wgUser, $wgTitle, $wgRequest;
1262
1263                 $diff = $wgRequest->getVal( 'diff' );
1264                 if ( $wgTitle->getArticleId() && ( ! $diff ) && $wgUser->isAllowed('protect') ) {
1265                         if ( $wgTitle->isProtected() ) {
1266                                 $t = wfMsg( 'unprotectthispage' );
1267                                 $q = 'action=unprotect';
1268                         } else {
1269                                 $t = wfMsg( 'protectthispage' );
1270                                 $q = 'action=protect';
1271                         }
1272                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1273                 } else {
1274                         $s = '';
1275                 }
1276                 return $s;
1277         }
1278
1279         function watchThisPage() {
1280                 global $wgOut, $wgTitle;
1281
1282                 if ( $wgOut->isArticleRelated() ) {
1283                         if ( $wgTitle->userIsWatching() ) {
1284                                 $t = wfMsg( 'unwatchthispage' );
1285                                 $q = 'action=unwatch';
1286                         } else {
1287                                 $t = wfMsg( 'watchthispage' );
1288                                 $q = 'action=watch';
1289                         }
1290                         $s = $this->makeKnownLinkObj( $wgTitle, $t, $q );
1291                 } else {
1292                         $s = wfMsg( 'notanarticle' );
1293                 }
1294                 return $s;
1295         }
1296
1297         function moveThisPage() {
1298                 global $wgTitle;
1299
1300                 if ( $wgTitle->userCanMove() ) {
1301                         return $this->makeKnownLinkObj( SpecialPage::getTitleFor( 'Movepage' ),
1302                           wfMsg( 'movethispage' ), 'target=' . $wgTitle->getPrefixedURL() );
1303                 } else {
1304                         // no message if page is protected - would be redundant
1305                         return '';
1306                 }
1307         }
1308
1309         function historyLink() {
1310                 global $wgTitle;
1311
1312                 return $this->makeKnownLinkObj( $wgTitle,
1313                   wfMsg( 'history' ), 'action=history' );
1314         }
1315
1316         function whatLinksHere() {
1317                 global $wgTitle;
1318
1319                 return $this->makeKnownLinkObj(
1320                         SpecialPage::getTitleFor( 'Whatlinkshere', $wgTitle->getPrefixedDBkey() ),
1321                         wfMsg( 'whatlinkshere' ) );
1322         }
1323
1324         function userContribsLink() {
1325                 global $wgTitle;
1326
1327                 return $this->makeKnownLinkObj(
1328                         SpecialPage::getTitleFor( 'Contributions', $wgTitle->getDBkey() ),
1329                         wfMsg( 'contributions' ) );
1330         }
1331
1332         function showEmailUser( $id ) {
1333                 global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
1334                 return $wgEnableEmail &&
1335                        $wgEnableUserEmail &&
1336                        $wgUser->isLoggedIn() && # show only to signed in users
1337                        0 != $id; # we can only email to non-anons ..
1338 #                      '' != $id->getEmail() && # who must have an email address stored ..
1339 #                      0 != $id->getEmailauthenticationtimestamp() && # .. which is authenticated
1340 #                      1 != $wgUser->getOption('disablemail'); # and not disabled
1341         }
1342
1343         function emailUserLink() {
1344                 global $wgTitle;
1345
1346                 return $this->makeKnownLinkObj(
1347                         SpecialPage::getTitleFor( 'Emailuser', $wgTitle->getDBkey() ),
1348                         wfMsg( 'emailuser' ) );
1349         }
1350
1351         function watchPageLinksLink() {
1352                 global $wgOut, $wgTitle;
1353
1354                 if ( ! $wgOut->isArticleRelated() ) {
1355                         return '(' . wfMsg( 'notanarticle' ) . ')';
1356                 } else {
1357                         return $this->makeKnownLinkObj(
1358                                 SpecialPage::getTitleFor( 'Recentchangeslinked', $wgTitle->getPrefixedDBkey() ),
1359                                 wfMsg( 'recentchangeslinked' ) );
1360                 }
1361         }
1362
1363         function trackbackLink() {
1364                 global $wgTitle;
1365
1366                 return "<a href=\"" . $wgTitle->trackbackURL() . "\">"
1367                         . wfMsg('trackbacklink') . "</a>";
1368         }
1369
1370         function otherLanguages() {
1371                 global $wgOut, $wgContLang, $wgHideInterlanguageLinks;
1372
1373                 if ( $wgHideInterlanguageLinks ) {
1374                         return '';
1375                 }
1376
1377                 $a = $wgOut->getLanguageLinks();
1378                 if ( 0 == count( $a ) ) {
1379                         return '';
1380                 }
1381
1382                 $s = wfMsg( 'otherlanguages' ) . ': ';
1383                 $first = true;
1384                 if($wgContLang->isRTL()) $s .= '<span dir="LTR">';
1385                 foreach( $a as $l ) {
1386                         if ( ! $first ) { $s .= ' | '; }
1387                         $first = false;
1388
1389                         $nt = Title::newFromText( $l );
1390                         $url = $nt->escapeFullURL();
1391                         $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
1392
1393                         if ( '' == $text ) { $text = $l; }
1394                         $style = $this->getExternalLinkAttributes( $l, $text );
1395                         $s .= "<a href=\"{$url}\"{$style}>{$text}</a>";
1396                 }
1397                 if($wgContLang->isRTL()) $s .= '</span>';
1398                 return $s;
1399         }
1400
1401         function bugReportsLink() {
1402                 $s = $this->makeKnownLink( wfMsgForContent( 'bugreportspage' ),
1403                   wfMsg( 'bugreports' ) );
1404                 return $s;
1405         }
1406
1407         function dateLink() {
1408                 $t1 = Title::newFromText( gmdate( 'F j' ) );
1409                 $t2 = Title::newFromText( gmdate( 'Y' ) );
1410
1411                 $id = $t1->getArticleID();
1412
1413                 if ( 0 == $id ) {
1414                         $s = $this->makeBrokenLink( $t1->getText() );
1415                 } else {
1416                         $s = $this->makeKnownLink( $t1->getText() );
1417                 }
1418                 $s .= ', ';
1419
1420                 $id = $t2->getArticleID();
1421
1422                 if ( 0 == $id ) {
1423                         $s .= $this->makeBrokenLink( $t2->getText() );
1424                 } else {
1425                         $s .= $this->makeKnownLink( $t2->getText() );
1426                 }
1427                 return $s;
1428         }
1429
1430         function talkLink() {
1431                 global $wgTitle;
1432
1433                 if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
1434                         # No discussion links for special pages
1435                         return '';
1436                 }
1437
1438                 if( $wgTitle->isTalkPage() ) {
1439                         $link = $wgTitle->getSubjectPage();
1440                         switch( $link->getNamespace() ) {
1441                                 case NS_MAIN:
1442                                         $text = wfMsg( 'articlepage' );
1443                                         break;
1444                                 case NS_USER:
1445                                         $text = wfMsg( 'userpage' );
1446                                         break;
1447                                 case NS_PROJECT:
1448                                         $text = wfMsg( 'projectpage' );
1449                                         break;
1450                                 case NS_IMAGE:
1451                                         $text = wfMsg( 'imagepage' );
1452                                         break;
1453                                 case NS_MEDIAWIKI:
1454                                         $text = wfMsg( 'mediawikipage' );
1455                                         break;
1456                                 case NS_TEMPLATE:
1457                                         $text = wfMsg( 'templatepage' );
1458                                         break;
1459                                 case NS_HELP:
1460                                         $text = wfMsg( 'viewhelppage' );
1461                                         break;
1462                                 case NS_CATEGORY:
1463                                         $text = wfMsg( 'categorypage' );
1464                                         break;
1465                                 default:
1466                                         $text = wfMsg( 'articlepage' );
1467                         }
1468                 } else {
1469                         $link = $wgTitle->getTalkPage();
1470                         $text = wfMsg( 'talkpage' );
1471                 }
1472
1473                 $s = $this->makeLinkObj( $link, $text );
1474
1475                 return $s;
1476         }
1477
1478         function commentLink() {
1479                 global $wgTitle, $wgOut;
1480
1481                 if ( $wgTitle->getNamespace() == NS_SPECIAL ) {
1482                         return '';
1483                 }
1484
1485                 # __NEWSECTIONLINK___ changes behaviour here
1486                 # If it's present, the link points to this page, otherwise
1487                 # it points to the talk page
1488                 if( $wgTitle->isTalkPage() ) {
1489                         $title =& $wgTitle;
1490                 } elseif( $wgOut->showNewSectionLink() ) {
1491                         $title =& $wgTitle;
1492                 } else {
1493                         $title =& $wgTitle->getTalkPage();
1494                 }
1495
1496                 return $this->makeKnownLinkObj( $title, wfMsg( 'postcomment' ), 'action=edit&section=new' );
1497         }
1498
1499         /* these are used extensively in SkinTemplate, but also some other places */
1500         static function makeSpecialUrl( $name, $urlaction = '' ) {
1501                 $title = SpecialPage::getTitleFor( $name );
1502                 return $title->getLocalURL( $urlaction );
1503         }
1504
1505         static function makeI18nUrl( $name, $urlaction = '' ) {
1506                 $title = Title::newFromText( wfMsgForContent( $name ) );
1507                 self::checkTitle( $title, $name );
1508                 return $title->getLocalURL( $urlaction );
1509         }
1510
1511         static function makeUrl( $name, $urlaction = '' ) {
1512                 $title = Title::newFromText( $name );
1513                 self::checkTitle( $title, $name );
1514                 return $title->getLocalURL( $urlaction );
1515         }
1516
1517         # If url string starts with http, consider as external URL, else
1518         # internal
1519         static function makeInternalOrExternalUrl( $name ) {
1520                 if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $name ) ) {
1521                         return $name;
1522                 } else {
1523                         return self::makeUrl( $name );
1524                 }
1525         }
1526
1527         # this can be passed the NS number as defined in Language.php
1528         static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
1529                 $title = Title::makeTitleSafe( $namespace, $name );
1530                 self::checkTitle( $title, $name );
1531                 return $title->getLocalURL( $urlaction );
1532         }
1533
1534         /* these return an array with the 'href' and boolean 'exists' */
1535         static function makeUrlDetails( $name, $urlaction = '' ) {
1536                 $title = Title::newFromText( $name );
1537                 self::checkTitle( $title, $name );
1538                 return array(
1539                         'href' => $title->getLocalURL( $urlaction ),
1540                         'exists' => $title->getArticleID() != 0 ? true : false
1541                 );
1542         }
1543
1544         /**
1545          * Make URL details where the article exists (or at least it's convenient to think so)
1546          */
1547         static function makeKnownUrlDetails( $name, $urlaction = '' ) {
1548                 $title = Title::newFromText( $name );
1549                 self::checkTitle( $title, $name );
1550                 return array(
1551                         'href' => $title->getLocalURL( $urlaction ),
1552                         'exists' => true
1553                 );
1554         }
1555
1556         # make sure we have some title to operate on
1557         static function checkTitle( &$title, &$name ) {
1558                 if( !is_object( $title ) ) {
1559                         $title = Title::newFromText( $name );
1560                         if( !is_object( $title ) ) {
1561                                 $title = Title::newFromText( '--error: link target missing--' );
1562                         }
1563                 }
1564         }
1565
1566         /**
1567          * Build an array that represents the sidebar(s), the navigation bar among them
1568          *
1569          * @return array
1570          * @private
1571          */
1572         function buildSidebar() {
1573                 global $parserMemc, $wgEnableSidebarCache;
1574                 global $wgLang, $wgContLang;
1575
1576                 $fname = 'SkinTemplate::buildSidebar';
1577
1578                 wfProfileIn( $fname );
1579
1580                 $key = wfMemcKey( 'sidebar' );
1581                 $cacheSidebar = $wgEnableSidebarCache &&
1582                         ($wgLang->getCode() == $wgContLang->getCode());
1583
1584                 if ($cacheSidebar) {
1585                         $cachedsidebar = $parserMemc->get( $key );
1586                         if ($cachedsidebar!="") {
1587                                 wfProfileOut($fname);
1588                                 return $cachedsidebar;
1589                         }
1590                 }
1591
1592                 $bar = array();
1593                 $lines = explode( "\n", wfMsgForContent( 'sidebar' ) );
1594                 foreach ($lines as $line) {
1595                         if (strpos($line, '*') !== 0)
1596                                 continue;
1597                         if (strpos($line, '**') !== 0) {
1598                                 $line = trim($line, '* ');
1599                                 $heading = $line;
1600                         } else {
1601                                 if (strpos($line, '|') !== false) { // sanity check
1602                                         $line = explode( '|' , trim($line, '* '), 2 );
1603                                         $link = wfMsgForContent( $line[0] );
1604                                         if ($link == '-')
1605                                                 continue;
1606                                         if (wfEmptyMsg($line[1], $text = wfMsg($line[1])))
1607                                                 $text = $line[1];
1608                                         if (wfEmptyMsg($line[0], $link))
1609                                                 $link = $line[0];
1610
1611                                         if ( preg_match( '/^(?:' . wfUrlProtocols() . ')/', $link ) ) {
1612                                                 $href = $link;
1613                                         } else {
1614                                                 $title = Title::newFromText( $link );
1615                                                 if ( $title ) {
1616                                                         $title = $title->fixSpecialName();
1617                                                         $href = $title->getLocalURL();
1618                                                 } else {
1619                                                         $href = 'INVALID-TITLE';
1620                                                 }
1621                                         }
1622
1623                                         $bar[$heading][] = array(
1624                                                 'text' => $text,
1625                                                 'href' => $href,
1626                                                 'id' => 'n-' . strtr($line[1], ' ', '-'),
1627                                                 'active' => false
1628                                         );
1629                                 } else { continue; }
1630                         }
1631                 }
1632                 if ($cacheSidebar)
1633                         $cachednotice = $parserMemc->set( $key, $bar, 86400 );
1634                 wfProfileOut( $fname );
1635                 return $bar;
1636         }
1637 }
1638 ?>