includes/SkinTemplate.php

   1 <?php
   2 /**
   3  * Base class for template-based skins
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 if ( ! defined( 'MEDIAWIKI' ) )
  24         die( 1 );
  25
  26 /**
  27  * Wrapper object for MediaWiki's localization functions,
  28  * to be passed to the template engine.
  29  *
  30  * @private
  31  * @ingroup Skins
  32  */
  33 class MediaWiki_I18N {
  34         var $_context = array();
  35
  36         function set( $varName, $value ) {
  37                 $this->_context[$varName] = $value;
  38         }
  39
  40         function translate( $value ) {
  41                 wfProfileIn( __METHOD__ );
  42
  43                 // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
  44                 $value = preg_replace( '/^string:/', '', $value );
  45
  46                 $value = wfMsg( $value );
  47                 // interpolate variables
  48                 $m = array();
  49                 while( preg_match( '/\$([0-9]*?)/sm', $value, $m ) ) {
  50                         list( $src, $var ) = $m;
  51                         wfSuppressWarnings();
  52                         $varValue = $this->_context[$var];
  53                         wfRestoreWarnings();
  54                         $value = str_replace( $src, $varValue, $value );
  55                 }
  56                 wfProfileOut( __METHOD__ );
  57                 return $value;
  58         }
  59 }
  60
  61 /**
  62  * Template-filler skin base class
  63  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  64  * Based on Brion's smarty skin
  65  * @copyright Copyright © Gabriel Wicke -- http://www.aulinx.de/
  66  *
  67  * @todo Needs some serious refactoring into functions that correspond
  68  * to the computations individual esi snippets need. Most importantly no body
  69  * parsing for most of those of course.
  70  *
  71  * @ingroup Skins
  72  */
  73 class SkinTemplate extends Skin {
  74         /**#@+
  75          * @private
  76          */
  77
  78         /**
  79          * Name of our skin, it probably needs to be all lower case.  Child classes
  80          * should override the default.
  81          */
  82         var $skinname = 'monobook';
  83
  84         /**
  85          * Stylesheets set to use.  Subdirectory in skins/ where various stylesheets
  86          * are located.  Child classes should override the default.
  87          */
  88         var $stylename = 'monobook';
  89
  90         /**
  91          * For QuickTemplate, the name of the subclass which will actually fill the
  92          * template.  Child classes should override the default.
  93          */
  94         var $template = 'QuickTemplate';
  95
  96         /**
  97          * Whether this skin use OutputPage::headElement() to generate the <head>
  98          * tag
  99          */
 100         var $useHeadElement = false;
 101
 102         /**#@-*/
 103
 104         /**
 105          * Add specific styles for this skin
 106          *
 107          * @param $out OutputPage
 108          */
 109         function setupSkinUserCss( OutputPage $out ){
 110                 $out->addModuleStyles( 'mediawiki.legacy.shared' );
 111                 // ResourceLoader does not support CSS media types yet, so we must include this on it's own the old way
 112                 $out->addStyle( 'common/commonPrint.css', 'print' );
 113         }
 114
 115         /**
 116          * Create the template engine object; we feed it a bunch of data
 117          * and eventually it spits out some HTML. Should have interface
 118          * roughly equivalent to PHPTAL 0.7.
 119          *
 120          * @param $classname string (or file)
 121          * @param $repository string: subdirectory where we keep template files
 122          * @param $cache_dir string
 123          * @return object
 124          * @private
 125          */
 126         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 127                 return new $classname();
 128         }
 129
 130         /**
 131          * initialize various variables and generate the template
 132          *
 133          * @param $out OutputPage
 134          */
 135         function outputPage( OutputPage $out ) {
 136                 global $wgArticle, $wgUser, $wgLang, $wgContLang;
 137                 global $wgScript, $wgStylePath, $wgLanguageCode;
 138                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 139                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
 140                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 141                 global $wgMaxCredits, $wgShowCreditsIfMax;
 142                 global $wgPageShowWatchingUsers;
 143                 global $wgUseTrackbacks, $wgUseSiteJs, $wgDebugComments;
 144                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgProfiler;
 145
 146                 wfProfileIn( __METHOD__ );
 147                 if ( is_object( $wgProfiler ) ) {
 148                         $wgProfiler->setTemplated( true );
 149                 }
 150
 151                 $oldid = $wgRequest->getVal( 'oldid' );
 152                 $diff = $wgRequest->getVal( 'diff' );
 153                 $action = $wgRequest->getVal( 'action', 'view' );
 154
 155                 wfProfileIn( __METHOD__ . '-init' );
 156                 $this->initPage( $out );
 157
 158                 $this->setMembers();
 159                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 160
 161                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 162                 $tpl->setTranslator( new MediaWiki_I18N() );
 163                 #}
 164                 wfProfileOut( __METHOD__ . '-init' );
 165
 166                 wfProfileIn( __METHOD__ . '-stuff' );
 167                 $this->thispage = $this->mTitle->getPrefixedDBkey();
 168                 $this->thisurl = $this->mTitle->getPrefixedURL();
 169                 $query = array();
 170                 if ( !$wgRequest->wasPosted() ) {
 171                         $query = $wgRequest->getValues();
 172                         unset( $query['title'] );
 173                         unset( $query['returnto'] );
 174                         unset( $query['returntoquery'] );
 175                 }
 176                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 177                 $this->loggedin = $wgUser->isLoggedIn();
 178                 $this->iscontent = ( $this->mTitle->getNamespace() != NS_SPECIAL );
 179                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 180                 $this->username = $wgUser->getName();
 181
 182                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 183                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 184                 } else {
 185                         # This won't be used in the standard skins, but we define it to preserve the interface
 186                         # To save time, we check for existence
 187                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 188                 }
 189
 190                 $this->titletxt = $this->mTitle->getPrefixedText();
 191                 wfProfileOut( __METHOD__ . '-stuff' );
 192
 193                 wfProfileIn( __METHOD__ . '-stuff-head' );
 194                 if ( $this->useHeadElement ) {
 195                         $pagecss = $this->setupPageCss();
 196                         if( $pagecss )
 197                                 $out->addInlineStyle( $pagecss );
 198                 } else {
 199                         $this->setupUserCss( $out );
 200
 201                         $tpl->set( 'pagecss', $this->setupPageCss() );
 202                         $tpl->setRef( 'usercss', $this->usercss );
 203
 204                         $this->userjs = $this->userjsprev = false;
 205                         $this->setupUserJs( $out->isUserJsAllowed() );
 206                         $tpl->setRef( 'userjs', $this->userjs );
 207                         $tpl->setRef( 'userjsprev', $this->userjsprev );
 208
 209                         if( $wgUseSiteJs ) {
 210                                 $jsCache = $this->loggedin ? '&smaxage=0' : '';
 211                                 $tpl->set( 'jsvarurl',
 212                                                   self::makeUrl( '-',
 213                                                                                 "action=raw$jsCache&gen=js&useskin=" .
 214                                                                                 urlencode( $this->getSkinName() ) ) );
 215                         } else {
 216                                 $tpl->set( 'jsvarurl', false );
 217                         }
 218
 219                         $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 220                         $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 221                         $tpl->set( 'html5version', $wgHtml5Version );
 222                         $tpl->set( 'headlinks', $out->getHeadLinks() );
 223                         $tpl->set( 'csslinks', $out->buildCssLinks() );
 224
 225                         if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 226                                 $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 227                         } else {
 228                                 $tpl->set( 'trackbackhtml', null );
 229                         }
 230                 }
 231                 wfProfileOut( __METHOD__ . '-stuff-head' );
 232
 233                 wfProfileIn( __METHOD__ . '-stuff2' );
 234                 $tpl->set( 'title', $out->getPageTitle() );
 235                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 236                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 237                 $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
 238                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 239
 240                 $nsname = MWNamespace::exists( $this->mTitle->getNamespace() ) ?
 241                                         MWNamespace::getCanonicalName( $this->mTitle->getNamespace() ) :
 242                                         $this->mTitle->getNsText();
 243
 244                 $tpl->set( 'nscanonical', $nsname );
 245                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 246                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 247                 $tpl->set( 'titletext', $this->mTitle->getText() );
 248                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 249                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 250
 251                 $tpl->set( 'isarticle', $out->isArticle() );
 252
 253                 $tpl->setRef( 'thispage', $this->thispage );
 254                 $subpagestr = $this->subPageSubtitle();
 255                 $tpl->set(
 256                         'subtitle', !empty( $subpagestr ) ?
 257                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle() :
 258                         $out->getSubtitle()
 259                 );
 260                 $undelete = $this->getUndeleteLink();
 261                 $tpl->set(
 262                         'undelete', !empty( $undelete ) ?
 263                         '<span class="subpages">'.$undelete.'</span>' :
 264                         ''
 265                 );
 266
 267                 $tpl->set( 'catlinks', $this->getCategories() );
 268                 if( $out->isSyndicated() ) {
 269                         $feeds = array();
 270                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 271                                 $feeds[$format] = array(
 272                                         'text' => wfMsg( "feed-$format" ),
 273                                         'href' => $link
 274                                 );
 275                         }
 276                         $tpl->setRef( 'feeds', $feeds );
 277                 } else {
 278                         $tpl->set( 'feeds', false );
 279                 }
 280
 281                 $tpl->setRef( 'mimetype', $wgMimeType );
 282                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 283                 $tpl->setRef( 'charset', $wgOutputEncoding );
 284                 $tpl->setRef( 'wgScript', $wgScript );
 285                 $tpl->setRef( 'skinname', $this->skinname );
 286                 $tpl->set( 'skinclass', get_class( $this ) );
 287                 $tpl->setRef( 'stylename', $this->stylename );
 288                 $tpl->set( 'printable', $out->isPrintable() );
 289                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 290                 $tpl->setRef( 'loggedin', $this->loggedin );
 291                 $tpl->set( 'notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL );
 292                 /* XXX currently unused, might get useful later
 293                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 294                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 295                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 296                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 297                 $tpl->set( "helppage", wfMsg('helppage'));
 298                 */
 299                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 300                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 301                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 302                 $tpl->setRef( 'stylepath', $wgStylePath );
 303                 $tpl->setRef( 'articlepath', $wgArticlePath );
 304                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 305                 $tpl->setRef( 'serverurl', $wgServer );
 306                 $tpl->setRef( 'logopath', $wgLogo );
 307
 308                 $lang = wfUILang();
 309                 $tpl->set( 'lang', $lang->getCode() );
 310                 $tpl->set( 'dir', $lang->getDir() );
 311                 $tpl->set( 'rtl', $lang->isRTL() );
 312
 313                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 314                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 315                 $tpl->set( 'username', $wgUser->isAnon() ? null : $this->username );
 316                 $tpl->setRef( 'userpage', $this->userpage );
 317                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 318                 $tpl->set( 'userlang', $wgLang->getCode() );
 319
 320                 // Users can have their language set differently than the
 321                 // content of the wiki. For these users, tell the web browser
 322                 // that interface elements are in a different language.
 323                 $tpl->set( 'userlangattributes', '' );
 324                 $tpl->set( 'specialpageattributes', '' );
 325
 326                 $lang = $wgLang->getCode();
 327                 $dir  = $wgLang->getDir();
 328                 if ( $lang !== $wgContLang->getCode() || $dir !== $wgContLang->getDir() ) {
 329                         $attrs = " lang='$lang' dir='$dir'";
 330
 331                         $tpl->set( 'userlangattributes', $attrs );
 332
 333                         // The content of SpecialPages should be presented in the
 334                         // user's language. Content of regular pages should not be touched.
 335                         if( $this->mTitle->isSpecialPage() ) {
 336                                 $tpl->set( 'specialpageattributes', $attrs );
 337                         }
 338                 }
 339
 340                 $newtalks = $this->getNewtalks();
 341
 342                 wfProfileOut( __METHOD__ . '-stuff2' );
 343
 344                 wfProfileIn( __METHOD__ . '-stuff3' );
 345                 $tpl->setRef( 'newtalk', $newtalks );
 346                 $tpl->setRef( 'skin', $this );
 347                 $tpl->set( 'logo', $this->logoText() );
 348                 if ( $out->isArticle() and ( !isset( $oldid ) or isset( $diff ) ) and
 349                         $wgArticle and 0 != $wgArticle->getID() ){
 350                         if ( !$wgDisableCounters ) {
 351                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 352                                 if ( $viewcount ) {
 353                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 354                                 } else {
 355                                         $tpl->set( 'viewcount', false );
 356                                 }
 357                         } else {
 358                                 $tpl->set( 'viewcount', false );
 359                         }
 360
 361                         if( $wgPageShowWatchingUsers ) {
 362                                 $dbr = wfGetDB( DB_SLAVE );
 363                                 $watchlist = $dbr->tableName( 'watchlist' );
 364                                 $res = $dbr->select( 'watchlist',
 365                                         array( 'COUNT(*) AS n' ),
 366                                         array( 'wl_title' => $dbr->strencode( $this->mTitle->getDBkey() ), 'wl_namespace' => $this->mTitle->getNamespace() ),
 367                                         __METHOD__
 368                                 );
 369                                 $x = $dbr->fetchObject( $res );
 370                                 $numberofwatchingusers = $x->n;
 371                                 if( $numberofwatchingusers > 0 ) {
 372                                         $tpl->set( 'numberofwatchingusers',
 373                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 374                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 375                                         );
 376                                 } else {
 377                                         $tpl->set( 'numberofwatchingusers', false );
 378                                 }
 379                         } else {
 380                                 $tpl->set( 'numberofwatchingusers', false );
 381                         }
 382
 383                         $tpl->set( 'copyright', $this->getCopyright() );
 384
 385                         $this->credits = false;
 386
 387                         if( $wgMaxCredits != 0 ){
 388                                 $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
 389                         } else {
 390                                 $tpl->set( 'lastmod', $this->lastModified() );
 391                         }
 392
 393                         $tpl->setRef( 'credits', $this->credits );
 394
 395                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 396                         $tpl->set( 'copyright', $this->getCopyright() );
 397                         $tpl->set( 'viewcount', false );
 398                         $tpl->set( 'lastmod', false );
 399                         $tpl->set( 'credits', false );
 400                         $tpl->set( 'numberofwatchingusers', false );
 401                 } else {
 402                         $tpl->set( 'copyright', false );
 403                         $tpl->set( 'viewcount', false );
 404                         $tpl->set( 'lastmod', false );
 405                         $tpl->set( 'credits', false );
 406                         $tpl->set( 'numberofwatchingusers', false );
 407                 }
 408                 wfProfileOut( __METHOD__ . '-stuff3' );
 409
 410                 wfProfileIn( __METHOD__ . '-stuff4' );
 411                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 412                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 413                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 414                 $tpl->set( 'privacy', $this->privacyLink() );
 415                 $tpl->set( 'about', $this->aboutLink() );
 416
 417                 if ( $wgDebugComments ) {
 418                         $tpl->setRef( 'debug', $out->mDebugtext );
 419                 } else {
 420                         $tpl->set( 'debug', '' );
 421                 }
 422
 423                 $tpl->set( 'reporttime', wfReportTime() );
 424                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 425                 $tpl->set( 'bottomscripts', $this->bottomScripts( $out ) );
 426
 427                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 428                 global $wgBetterDirectionality;
 429                 if ( $wgBetterDirectionality ) {
 430                         $realBodyAttribs = array( 'lang' => $wgLanguageCode, 'dir' => $wgContLang->getDir() );
 431                         $out->mBodytext = Html::rawElement( 'div', $realBodyAttribs, $out->mBodytext );
 432                 }
 433                 $out->mBodytext .= $printfooter . $this->generateDebugHTML();
 434                 $tpl->setRef( 'bodytext', $out->mBodytext );
 435
 436                 # Language links
 437                 $language_urls = array();
 438
 439                 if ( !$wgHideInterlanguageLinks ) {
 440                         foreach( $out->getLanguageLinks() as $l ) {
 441                                 $tmp = explode( ':', $l, 2 );
 442                                 $class = 'interwiki-' . $tmp[0];
 443                                 unset( $tmp );
 444                                 $nt = Title::newFromText( $l );
 445                                 if ( $nt ) {
 446                                         $language_urls[] = array(
 447                                                 'href' => $nt->getFullURL(),
 448                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 449                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 450                                                 'title' => $nt->getText(),
 451                                                 'class' => $class
 452                                         );
 453                                 }
 454                         }
 455                 }
 456                 if( count( $language_urls ) ) {
 457                         $tpl->setRef( 'language_urls', $language_urls );
 458                 } else {
 459                         $tpl->set( 'language_urls', false );
 460                 }
 461                 wfProfileOut( __METHOD__ . '-stuff4' );
 462
 463                 wfProfileIn( __METHOD__ . '-stuff5' );
 464                 # Personal toolbar
 465                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 466                 $content_actions = $this->buildContentActionUrls();
 467                 $tpl->setRef( 'content_actions', $content_actions );
 468
 469                 $tpl->set( 'sidebar', $this->buildSidebar() );
 470                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 471
 472                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 473                 if ( $this->useHeadElement ) {
 474                         $tpl->set( 'headelement', $out->headElement( $this ) );
 475                 } else {
 476                         $tpl->set( 'headscripts', $out->getScript() );
 477                 }
 478
 479                 // original version by hansm
 480                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 481                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 482                 }
 483
 484                 // allow extensions adding stuff after the page content.
 485                 // See Skin::afterContentHook() for further documentation.
 486                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 487                 wfProfileOut( __METHOD__ . '-stuff5' );
 488
 489                 // execute template
 490                 wfProfileIn( __METHOD__ . '-execute' );
 491                 $res = $tpl->execute();
 492                 wfProfileOut( __METHOD__ . '-execute' );
 493
 494                 // result may be an error
 495                 $this->printOrError( $res );
 496                 wfProfileOut( __METHOD__ );
 497         }
 498
 499         /**
 500          * Output the string, or print error message if it's
 501          * an error object of the appropriate type.
 502          * For the base class, assume strings all around.
 503          *
 504          * @param $str Mixed
 505          * @private
 506          */
 507         function printOrError( $str ) {
 508                 echo $str;
 509         }
 510
 511         /**
 512          * build array of urls for personal toolbar
 513          * @return array
 514          * @private
 515          */
 516         function buildPersonalUrls() {
 517                 global $wgOut, $wgRequest;
 518
 519                 $title = $wgOut->getTitle();
 520                 $pageurl = $title->getLocalURL();
 521                 wfProfileIn( __METHOD__ );
 522
 523                 /* set up the default links for the personal toolbar */
 524                 $personal_urls = array();
 525                 $page = $wgRequest->getVal( 'returnto', $this->thisurl );
 526                 $query = $wgRequest->getVal( 'returntoquery', $this->thisquery );
 527                 $returnto = "returnto=$page";
 528                 if( $this->thisquery != '' )
 529                         $returnto .= "&returntoquery=$query";
 530                 if( $this->loggedin ) {
 531                         $personal_urls['userpage'] = array(
 532                                 'text' => $this->username,
 533                                 'href' => &$this->userpageUrlDetails['href'],
 534                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 535                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 536                         );
 537                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 538                         $personal_urls['mytalk'] = array(
 539                                 'text' => wfMsg( 'mytalk' ),
 540                                 'href' => &$usertalkUrlDetails['href'],
 541                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 542                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 543                         );
 544                         $href = self::makeSpecialUrl( 'Preferences' );
 545                         $personal_urls['preferences'] = array(
 546                                 'text' => wfMsg( 'mypreferences' ),
 547                                 'href' => $href,
 548                                 'active' => ( $href == $pageurl )
 549                         );
 550                         $href = self::makeSpecialUrl( 'Watchlist' );
 551                         $personal_urls['watchlist'] = array(
 552                                 'text' => wfMsg( 'mywatchlist' ),
 553                                 'href' => $href,
 554                                 'active' => ( $href == $pageurl )
 555                         );
 556
 557                         # We need to do an explicit check for Special:Contributions, as we
 558                         # have to match both the title, and the target (which could come
 559                         # from request values or be specified in "sub page" form. The plot
 560                         # thickens, because $wgTitle is altered for special pages, so doesn't
 561                         # contain the original alias-with-subpage.
 562                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 563                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 564                                 list( $spName, $spPar ) =
 565                                         SpecialPage::resolveAliasWithSubpage( $origTitle->getText() );
 566                                 $active = $spName == 'Contributions'
 567                                         && ( ( $spPar && $spPar == $this->username )
 568                                                 || $wgRequest->getText( 'target' ) == $this->username );
 569                         } else {
 570                                 $active = false;
 571                         }
 572
 573                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 574                         $personal_urls['mycontris'] = array(
 575                                 'text' => wfMsg( 'mycontris' ),
 576                                 'href' => $href,
 577                                 'active' => $active
 578                         );
 579                         $personal_urls['logout'] = array(
 580                                 'text' => wfMsg( 'userlogout' ),
 581                                 'href' => self::makeSpecialUrl( 'Userlogout',
 582                                         $title->isSpecial( 'Preferences' ) ? '' : $returnto
 583                                 ),
 584                                 'active' => false
 585                         );
 586                 } else {
 587                         global $wgUser;
 588                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 589                                 ? 'nav-login-createaccount'
 590                                 : 'login';
 591                         if( $this->showIPinHeader() ) {
 592                                 $href = &$this->userpageUrlDetails['href'];
 593                                 $personal_urls['anonuserpage'] = array(
 594                                         'text' => $this->username,
 595                                         'href' => $href,
 596                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 597                                         'active' => ( $pageurl == $href )
 598                                 );
 599                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 600                                 $href = &$usertalkUrlDetails['href'];
 601                                 $personal_urls['anontalk'] = array(
 602                                         'text' => wfMsg( 'anontalk' ),
 603                                         'href' => $href,
 604                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 605                                         'active' => ( $pageurl == $href )
 606                                 );
 607                                 $personal_urls['anonlogin'] = array(
 608                                         'text' => wfMsg( $loginlink ),
 609                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 610                                         'active' => $title->isSpecial( 'Userlogin' )
 611                                 );
 612                         } else {
 613                                 $personal_urls['login'] = array(
 614                                         'text' => wfMsg( $loginlink ),
 615                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 616                                         'active' => $title->isSpecial( 'Userlogin' )
 617                                 );
 618                         }
 619                 }
 620
 621                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 622                 wfProfileOut( __METHOD__ );
 623                 return $personal_urls;
 624         }
 625
 626         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 627                 $classes = array();
 628                 if( $selected ) {
 629                         $classes[] = 'selected';
 630                 }
 631                 if( $checkEdit && !$title->isKnown() ) {
 632                         $classes[] = 'new';
 633                         $query = 'action=edit&redlink=1';
 634                 }
 635
 636                 $text = wfMsg( $message );
 637                 if ( wfEmptyMsg( $message, $text ) ) {
 638                         global $wgContLang;
 639                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 640                 }
 641
 642                 $result = array();
 643                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 644                                 $title, $message, $selected, $checkEdit,
 645                                 &$classes, &$query, &$text, &$result ) ) ) {
 646                         return $result;
 647                 }
 648
 649                 return array(
 650                         'class' => implode( ' ', $classes ),
 651                         'text' => $text,
 652                         'href' => $title->getLocalUrl( $query ) );
 653         }
 654
 655         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 656                 $title = Title::newFromText( $name );
 657                 if( !is_object( $title ) ) {
 658                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 659                 }
 660                 $title = $title->getTalkPage();
 661                 self::checkTitle( $title, $name );
 662                 return array(
 663                         'href' => $title->getLocalURL( $urlaction ),
 664                         'exists' => $title->getArticleID() != 0 ? true : false
 665                 );
 666         }
 667
 668         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 669                 $title = Title::newFromText( $name );
 670                 $title= $title->getSubjectPage();
 671                 self::checkTitle( $title, $name );
 672                 return array(
 673                         'href' => $title->getLocalURL( $urlaction ),
 674                         'exists' => $title->getArticleID() != 0 ? true : false
 675                 );
 676         }
 677
 678         /**
 679          * an array of edit links by default used for the tabs
 680          * @return array
 681          * @private
 682          */
 683         function buildContentActionUrls() {
 684                 global $wgContLang, $wgLang, $wgOut, $wgUser, $wgRequest, $wgArticle;
 685
 686                 wfProfileIn( __METHOD__ );
 687
 688                 $action = $wgRequest->getVal( 'action', 'view' );
 689                 $section = $wgRequest->getVal( 'section' );
 690                 $content_actions = array();
 691
 692                 $prevent_active_tabs = false;
 693                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$prevent_active_tabs ) );
 694
 695                 if( $this->iscontent ) {
 696                         $subjpage = $this->mTitle->getSubjectPage();
 697                         $talkpage = $this->mTitle->getTalkPage();
 698
 699                         $nskey = $this->mTitle->getNamespaceKey();
 700                         $content_actions[$nskey] = $this->tabAction(
 701                                 $subjpage,
 702                                 $nskey,
 703                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 704                                 '', true
 705                         );
 706
 707                         $content_actions['talk'] = $this->tabAction(
 708                                 $talkpage,
 709                                 'talk',
 710                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 711                                 '',
 712                                 true
 713                         );
 714
 715                         wfProfileIn( __METHOD__ . '-edit' );
 716                         if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 717                                 $istalk = $this->mTitle->isTalkPage();
 718                                 $istalkclass = $istalk?' istalk':'';
 719                                 $content_actions['edit'] = array(
 720                                         'class' => ( ( ( $action == 'edit' or $action == 'submit' ) and $section != 'new' ) ? 'selected' : '' ) . $istalkclass,
 721                                         'text' => ( $this->mTitle->exists() || ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !wfEmptyMsg( $this->mTitle->getText() ) ) )
 722                                                 ? wfMsg( 'edit' )
 723                                                 : wfMsg( 'create' ),
 724                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 725                                 );
 726
 727                                 // adds new section link if page is a current revision of a talk page or
 728                                 if ( ( $wgArticle && $wgArticle->isCurrent() && $istalk ) || $wgOut->showNewSectionLink() ) {
 729                                         if ( !$wgOut->forceHideNewSectionLink() ) {
 730                                                 $content_actions['addsection'] = array(
 731                                                         'class' => $section == 'new' ? 'selected' : false,
 732                                                         'text' => wfMsg( 'addsection' ),
 733                                                         'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 734                                                 );
 735                                         }
 736                                 }
 737                         } elseif ( $this->mTitle->hasSourceText() ) {
 738                                 $content_actions['viewsource'] = array(
 739                                         'class' => ($action == 'edit') ? 'selected' : false,
 740                                         'text' => wfMsg( 'viewsource' ),
 741                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 742                                 );
 743                         }
 744                         wfProfileOut( __METHOD__ . '-edit' );
 745
 746                         wfProfileIn( __METHOD__ . '-live' );
 747                         if ( $this->mTitle->exists() ) {
 748
 749                                 $content_actions['history'] = array(
 750                                         'class' => ($action == 'history') ? 'selected' : false,
 751                                         'text' => wfMsg( 'history_short' ),
 752                                         'href' => $this->mTitle->getLocalUrl( 'action=history' ),
 753                                         'rel' => 'archives',
 754                                 );
 755
 756                                 if( $wgUser->isAllowed( 'delete' ) ) {
 757                                         $content_actions['delete'] = array(
 758                                                 'class' => ($action == 'delete') ? 'selected' : false,
 759                                                 'text' => wfMsg( 'delete' ),
 760                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 761                                         );
 762                                 }
 763                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 764                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 765                                         $content_actions['move'] = array(
 766                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 767                                                 'text' => wfMsg( 'move' ),
 768                                                 'href' => $moveTitle->getLocalUrl()
 769                                         );
 770                                 }
 771
 772                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 773                                         if( !$this->mTitle->isProtected() ){
 774                                                 $content_actions['protect'] = array(
 775                                                         'class' => ($action == 'protect') ? 'selected' : false,
 776                                                         'text' => wfMsg( 'protect' ),
 777                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 778                                                 );
 779
 780                                         } else {
 781                                                 $content_actions['unprotect'] = array(
 782                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 783                                                         'text' => wfMsg( 'unprotect' ),
 784                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 785                                                 );
 786                                         }
 787                                 }
 788                         } else {
 789                                 //article doesn't exist or is deleted
 790                                 if( $wgUser->isAllowed( 'deletedhistory' ) && $wgUser->isAllowed( 'deletedtext' ) ) {
 791                                         if( $n = $this->mTitle->isDeleted() ) {
 792                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 793                                                 $content_actions['undelete'] = array(
 794                                                         'class' => false,
 795                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $wgLang->formatNum( $n ) ),
 796                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 797                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 798                                                 );
 799                                         }
 800                                 }
 801
 802                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 803                                         if( !$this->mTitle->getRestrictions( 'create' ) ) {
 804                                                 $content_actions['protect'] = array(
 805                                                         'class' => ($action == 'protect') ? 'selected' : false,
 806                                                         'text' => wfMsg( 'protect' ),
 807                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 808                                                 );
 809
 810                                         } else {
 811                                                 $content_actions['unprotect'] = array(
 812                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 813                                                         'text' => wfMsg( 'unprotect' ),
 814                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 815                                                 );
 816                                         }
 817                                 }
 818                         }
 819
 820                         wfProfileOut( __METHOD__ . '-live' );
 821
 822                         if( $this->loggedin ) {
 823                                 if( !$this->mTitle->userIsWatching()) {
 824                                         $content_actions['watch'] = array(
 825                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 826                                                 'text' => wfMsg( 'watch' ),
 827                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 828                                         );
 829                                 } else {
 830                                         $content_actions['unwatch'] = array(
 831                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 832                                                 'text' => wfMsg( 'unwatch' ),
 833                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 834                                         );
 835                                 }
 836                         }
 837
 838
 839                         wfRunHooks( 'SkinTemplateTabs', array( $this, &$content_actions ) );
 840                 } else {
 841                         /* show special page tab */
 842
 843                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 844                                 'class' => 'selected',
 845                                 'text' => wfMsg('nstab-special'),
 846                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 847                         );
 848
 849                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 850                 }
 851
 852                 /* show links to different language variants */
 853                 global $wgDisableLangConversion;
 854                 $variants = $wgContLang->getVariants();
 855                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 856                         $preferred = $wgContLang->getPreferredVariant();
 857                         $vcount=0;
 858                         foreach( $variants as $code ) {
 859                                 $varname = $wgContLang->getVariantname( $code );
 860                                 if( $varname == 'disable' )
 861                                         continue;
 862                                 $selected = ( $code == $preferred )? 'selected' : false;
 863                                 $content_actions['varlang-' . $vcount] = array(
 864                                         'class' => $selected,
 865                                         'text' => $varname,
 866                                         'href' => $this->mTitle->getLocalURL( '', $code )
 867                                 );
 868                                 $vcount ++;
 869                         }
 870                 }
 871
 872                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 873
 874                 wfProfileOut( __METHOD__ );
 875                 return $content_actions;
 876         }
 877
 878         /**
 879          * build array of common navigation links
 880          * @return array
 881          * @private
 882          */
 883         function buildNavUrls() {
 884                 global $wgUseTrackbacks, $wgOut, $wgUser, $wgRequest;
 885                 global $wgUploadNavigationUrl;
 886
 887                 wfProfileIn( __METHOD__ );
 888
 889                 $action = $wgRequest->getVal( 'action', 'view' );
 890
 891                 $nav_urls = array();
 892                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 893                 if( $wgUploadNavigationUrl ) {
 894                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 895                 } elseif( UploadBase::isEnabled() && UploadBase::isAllowed( $wgUser ) === true ) {
 896                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 897                 } else {
 898                         $nav_urls['upload'] = false;
 899                 }
 900                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 901
 902                 // default permalink to being off, will override it as required below.
 903                 $nav_urls['permalink'] = false;
 904
 905                 // A print stylesheet is attached to all pages, but nobody ever
 906                 // figures that out. :)  Add a link...
 907                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
 908                         if ( !$wgOut->isPrintable() ) {
 909                                 $nav_urls['print'] = array(
 910                                         'text' => wfMsg( 'printableversion' ),
 911                                         'href' => $wgRequest->appendQuery( 'printable=yes' )
 912                                 );
 913                         }
 914
 915                         // Also add a "permalink" while we're at it
 916                         if ( $this->mRevisionId ) {
 917                                 $nav_urls['permalink'] = array(
 918                                         'text' => wfMsg( 'permalink' ),
 919                                         'href' => $wgOut->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
 920                                 );
 921                         }
 922
 923                         // Copy in case this undocumented, shady hook tries to mess with internals
 924                         $revid = $this->mRevisionId;
 925                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
 926                 }
 927
 928                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 929                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 930                         $nav_urls['whatlinkshere'] = array(
 931                                 'href' => $wlhTitle->getLocalUrl()
 932                         );
 933                         if( $this->mTitle->getArticleId() ) {
 934                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 935                                 $nav_urls['recentchangeslinked'] = array(
 936                                         'href' => $rclTitle->getLocalUrl()
 937                                 );
 938                         } else {
 939                                 $nav_urls['recentchangeslinked'] = false;
 940                         }
 941                         if( $wgUseTrackbacks )
 942                                 $nav_urls['trackbacklink'] = array(
 943                                         'href' => $wgOut->getTitle()->trackbackURL()
 944                                 );
 945                 }
 946
 947                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 948                         $parts = explode( '/', $this->mTitle->getText() );
 949                         $rootUser = $parts[0];
 950                         $id = User::idFromName( $rootUser );
 951                         $ip = User::isIP( $rootUser );
 952                 } else {
 953                         $id = 0;
 954                         $ip = false;
 955                 }
 956
 957                 if( $id || $ip ) { # both anons and non-anons have contribs list
 958                         $nav_urls['contributions'] = array(
 959                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser )
 960                         );
 961
 962                         if( $id ) {
 963                                 $logPage = SpecialPage::getTitleFor( 'Log' );
 964                                 $nav_urls['log'] = array(
 965                                         'href' => $logPage->getLocalUrl(
 966                                                 array(
 967                                                         'user' => $rootUser
 968                                                 )
 969                                         )
 970                                 );
 971                         } else {
 972                                 $nav_urls['log'] = false;
 973                         }
 974
 975                         if ( $wgUser->isAllowed( 'block' ) ) {
 976                                 $nav_urls['blockip'] = array(
 977                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $rootUser )
 978                                 );
 979                         } else {
 980                                 $nav_urls['blockip'] = false;
 981                         }
 982                 } else {
 983                         $nav_urls['contributions'] = false;
 984                         $nav_urls['log'] = false;
 985                         $nav_urls['blockip'] = false;
 986                 }
 987                 $nav_urls['emailuser'] = false;
 988                 if( $this->showEmailUser( $id ) ) {
 989                         $nav_urls['emailuser'] = array(
 990                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser )
 991                         );
 992                 }
 993                 wfProfileOut( __METHOD__ );
 994                 return $nav_urls;
 995         }
 996
 997         /**
 998          * Generate strings used for xml 'id' names
 999          * @return string
1000          * @private
1001          */
1002         function getNameSpaceKey() {
1003                 return $this->mTitle->getNamespaceKey();
1004         }
1005
1006         /**
1007          * @private
1008          */
1009         function setupUserJs( $allowUserJs ) {
1010                 global $wgRequest, $wgJsMimeType;
1011                 wfProfileIn( __METHOD__ );
1012
1013                 $action = $wgRequest->getVal( 'action', 'view' );
1014
1015                 if( $allowUserJs && $this->loggedin ) {
1016                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1017                                 # XXX: additional security check/prompt?
1018                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1019                         } else {
1020                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1021                         }
1022                 }
1023                 wfProfileOut( __METHOD__ );
1024         }
1025
1026         /**
1027          * Code for extensions to hook into to provide per-page CSS, see
1028          * extensions/PageCSS/PageCSS.php for an implementation of this.
1029          *
1030          * @private
1031          */
1032         function setupPageCss() {
1033                 wfProfileIn( __METHOD__ );
1034                 $out = false;
1035                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1036                 wfProfileOut( __METHOD__ );
1037                 return $out;
1038         }
1039
1040         public function commonPrintStylesheet() {
1041                 return false;
1042         }
1043 }
1044
1045 /**
1046  * Generic wrapper for template functions, with interface
1047  * compatible with what we use of PHPTAL 0.7.
1048  * @ingroup Skins
1049  */
1050 abstract class QuickTemplate {
1051         /**
1052          * Constructor
1053          */
1054         public function QuickTemplate() {
1055                 $this->data = array();
1056                 $this->translator = new MediaWiki_I18N();
1057         }
1058
1059         /**
1060          * Sets the value $value to $name
1061          * @param $name
1062          * @param $value
1063          */
1064         public function set( $name, $value ) {
1065                 $this->data[$name] = $value;
1066         }
1067
1068         /**
1069          * @param $name
1070          * @param $value
1071          */
1072         public function setRef( $name, &$value ) {
1073                 $this->data[$name] =& $value;
1074         }
1075
1076         /**
1077          * @param $t
1078          */
1079         public function setTranslator( &$t ) {
1080                 $this->translator = &$t;
1081         }
1082
1083         /**
1084          * Main function, used by classes that subclass QuickTemplate
1085          * to show the actual HTML output
1086          */
1087         abstract public function execute();
1088
1089         /**
1090          * @private
1091          */
1092         function text( $str ) {
1093                 echo htmlspecialchars( $this->data[$str] );
1094         }
1095
1096         /**
1097          * @private
1098          */
1099         function jstext( $str ) {
1100                 echo Xml::escapeJsString( $this->data[$str] );
1101         }
1102
1103         /**
1104          * @private
1105          */
1106         function html( $str ) {
1107                 echo $this->data[$str];
1108         }
1109
1110         /**
1111          * @private
1112          */
1113         function msg( $str ) {
1114                 echo htmlspecialchars( $this->translator->translate( $str ) );
1115         }
1116
1117         /**
1118          * @private
1119          */
1120         function msgHtml( $str ) {
1121                 echo $this->translator->translate( $str );
1122         }
1123
1124         /**
1125          * An ugly, ugly hack.
1126          * @private
1127          */
1128         function msgWiki( $str ) {
1129                 global $wgParser, $wgOut;
1130
1131                 $text = $this->translator->translate( $str );
1132                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1133                         $wgOut->parserOptions(), true );
1134                 echo $parserOutput->getText();
1135         }
1136
1137         /**
1138          * @private
1139          */
1140         function haveData( $str ) {
1141                 return isset( $this->data[$str] );
1142         }
1143
1144         /**
1145          * @private
1146          */
1147         function haveMsg( $str ) {
1148                 $msg = $this->translator->translate( $str );
1149                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1150         }
1151 }