includes/SkinTemplate.php

   1 <?php
   2 if ( ! defined( 'MEDIAWIKI' ) )
   3         die( 1 );
   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 /**
  21  * Wrapper object for MediaWiki's localization functions,
  22  * to be passed to the template engine.
  23  *
  24  * @private
  25  * @ingroup Skins
  26  */
  27 class MediaWiki_I18N {
  28         var $_context = array();
  29
  30         function set( $varName, $value ) {
  31                 $this->_context[$varName] = $value;
  32         }
  33
  34         function translate( $value ) {
  35                 wfProfileIn( __METHOD__ );
  36
  37                 // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
  38                 $value = preg_replace( '/^string:/', '', $value );
  39
  40                 $value = wfMsg( $value );
  41                 // interpolate variables
  42                 $m = array();
  43                 while( preg_match( '/\$([0-9]*?)/sm', $value, $m ) ) {
  44                         list( $src, $var ) = $m;
  45                         wfSuppressWarnings();
  46                         $varValue = $this->_context[$var];
  47                         wfRestoreWarnings();
  48                         $value = str_replace( $src, $varValue, $value );
  49                 }
  50                 wfProfileOut( __METHOD__ );
  51                 return $value;
  52         }
  53 }
  54
  55 /**
  56  * Template-filler skin base class
  57  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  58  * Based on Brion's smarty skin
  59  * @copyright Copyright © Gabriel Wicke -- http://www.aulinx.de/
  60  *
  61  * @todo Needs some serious refactoring into functions that correspond
  62  * to the computations individual esi snippets need. Most importantly no body
  63  * parsing for most of those of course.
  64  *
  65  * @ingroup Skins
  66  */
  67 class SkinTemplate extends Skin {
  68         /**#@+
  69          * @private
  70          */
  71
  72         /**
  73          * Name of our skin, it probably needs to be all lower case.  Child classes
  74          * should override the default.
  75          */
  76         var $skinname = 'monobook';
  77
  78         /**
  79          * Stylesheets set to use.  Subdirectory in skins/ where various stylesheets
  80          * are located.  Child classes should override the default.
  81          */
  82         var $stylename = 'monobook';
  83
  84         /**
  85          * For QuickTemplate, the name of the subclass which will actually fill the
  86          * template.  Child classes should override the default.
  87          */
  88         var $template = 'QuickTemplate';
  89
  90         /**
  91          * Whether this skin use OutputPage::headElement() to generate the <head>
  92          * tag
  93          */
  94         var $useHeadElement = false;
  95
  96         /**#@-*/
  97
  98         /**
  99          * Add specific styles for this skin
 100          *
 101          * @param $out OutputPage
 102          */
 103         function setupSkinUserCss( OutputPage $out ){
 104                 $out->addStyle( 'common/shared.css', 'screen' );
 105                 $out->addStyle( 'common/commonPrint.css', 'print' );
 106         }
 107
 108         /**
 109          * Create the template engine object; we feed it a bunch of data
 110          * and eventually it spits out some HTML. Should have interface
 111          * roughly equivalent to PHPTAL 0.7.
 112          *
 113          * @param $callback string (or file)
 114          * @param $repository string: subdirectory where we keep template files
 115          * @param $cache_dir string
 116          * @return object
 117          * @private
 118          */
 119         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 120                 return new $classname();
 121         }
 122
 123         /**
 124          * initialize various variables and generate the template
 125          *
 126          * @param $out OutputPage
 127          */
 128         function outputPage( OutputPage $out ) {
 129                 global $wgArticle, $wgUser, $wgLang, $wgContLang;
 130                 global $wgScript, $wgStylePath, $wgContLanguageCode;
 131                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 132                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
 133                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 134                 global $wgMaxCredits, $wgShowCreditsIfMax;
 135                 global $wgPageShowWatchingUsers;
 136                 global $wgUseTrackbacks, $wgUseSiteJs, $wgDebugComments;
 137                 global $wgArticlePath, $wgScriptPath, $wgServer;
 138
 139                 wfProfileIn( __METHOD__ );
 140
 141                 $oldid = $wgRequest->getVal( 'oldid' );
 142                 $diff = $wgRequest->getVal( 'diff' );
 143                 $action = $wgRequest->getVal( 'action', 'view' );
 144
 145                 wfProfileIn( __METHOD__ . '-init' );
 146                 $this->initPage( $out );
 147
 148                 $this->setMembers();
 149                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 150
 151                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 152                 $tpl->setTranslator( new MediaWiki_I18N() );
 153                 #}
 154                 wfProfileOut( __METHOD__ . '-init' );
 155
 156                 wfProfileIn( __METHOD__ . '-stuff' );
 157                 $this->thispage = $this->mTitle->getPrefixedDBkey();
 158                 $this->thisurl = $this->mTitle->getPrefixedURL();
 159                 $query = array();
 160                 if ( !$wgRequest->wasPosted() ) {
 161                         $query = $wgRequest->getValues();
 162                         unset( $query['title'] );
 163                         unset( $query['returnto'] );
 164                         unset( $query['returntoquery'] );
 165                 }
 166                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 167                 $this->loggedin = $wgUser->isLoggedIn();
 168                 $this->iscontent = ( $this->mTitle->getNamespace() != NS_SPECIAL );
 169                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 170                 $this->username = $wgUser->getName();
 171
 172                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 173                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 174                 } else {
 175                         # This won't be used in the standard skins, but we define it to preserve the interface
 176                         # To save time, we check for existence
 177                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 178                 }
 179
 180                 $this->titletxt = $this->mTitle->getPrefixedText();
 181                 wfProfileOut( __METHOD__ . '-stuff' );
 182
 183                 wfProfileIn( __METHOD__ . '-stuff-head' );
 184                 if ( $this->useHeadElement ) {
 185                         $pagecss = $this->setupPageCss();
 186                         if( $pagecss )
 187                                 $out->addInlineStyle( $pagecss );
 188                 } else {
 189                         $this->setupUserCss( $out );
 190
 191                         $tpl->set( 'pagecss', $this->setupPageCss() );
 192                         $tpl->setRef( 'usercss', $this->usercss );
 193
 194                         $this->userjs = $this->userjsprev = false;
 195                         $this->setupUserJs( $out->isUserJsAllowed() );
 196                         $tpl->setRef( 'userjs', $this->userjs );
 197                         $tpl->setRef( 'userjsprev', $this->userjsprev );
 198
 199                         if( $wgUseSiteJs ) {
 200                                 $jsCache = $this->loggedin ? '&smaxage=0' : '';
 201                                 $tpl->set( 'jsvarurl',
 202                                                   self::makeUrl( '-',
 203                                                                                 "action=raw$jsCache&gen=js&useskin=" .
 204                                                                                 urlencode( $this->getSkinName() ) ) );
 205                         } else {
 206                                 $tpl->set( 'jsvarurl', false );
 207                         }
 208
 209                         $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 210                         $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 211                         $tpl->set( 'html5version', $wgHtml5Version );
 212                         $tpl->set( 'headlinks', $out->getHeadLinks() );
 213                         $tpl->set( 'csslinks', $out->buildCssLinks() );
 214
 215                         if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 216                                 $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 217                         } else {
 218                                 $tpl->set( 'trackbackhtml', null );
 219                         }
 220                 }
 221                 wfProfileOut( __METHOD__ . '-stuff-head' );
 222
 223                 wfProfileIn( __METHOD__ . '-stuff2' );
 224                 $tpl->set( 'title', $out->getPageTitle() );
 225                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 226                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 227                 $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
 228                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 229
 230                 $nsname = MWNamespace::exists( $this->mTitle->getNamespace() ) ?
 231                                         MWNamespace::getCanonicalName( $this->mTitle->getNamespace() ) :
 232                                         $this->mTitle->getNsText();
 233
 234                 $tpl->set( 'nscanonical', $nsname );
 235                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 236                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 237                 $tpl->set( 'titletext', $this->mTitle->getText() );
 238                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 239                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 240
 241                 $tpl->set( 'isarticle', $out->isArticle() );
 242
 243                 $tpl->setRef( 'thispage', $this->thispage );
 244                 $subpagestr = $this->subPageSubtitle();
 245                 $tpl->set(
 246                         'subtitle', !empty( $subpagestr ) ?
 247                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle() :
 248                         $out->getSubtitle()
 249                 );
 250                 $undelete = $this->getUndeleteLink();
 251                 $tpl->set(
 252                         'undelete', !empty( $undelete ) ?
 253                         '<span class="subpages">'.$undelete.'</span>' :
 254                         ''
 255                 );
 256
 257                 $tpl->set( 'catlinks', $this->getCategories() );
 258                 if( $out->isSyndicated() ) {
 259                         $feeds = array();
 260                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 261                                 $feeds[$format] = array(
 262                                         'text' => wfMsg( "feed-$format" ),
 263                                         'href' => $link
 264                                 );
 265                         }
 266                         $tpl->setRef( 'feeds', $feeds );
 267                 } else {
 268                         $tpl->set( 'feeds', false );
 269                 }
 270
 271                 $tpl->setRef( 'mimetype', $wgMimeType );
 272                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 273                 $tpl->setRef( 'charset', $wgOutputEncoding );
 274                 $tpl->setRef( 'wgScript', $wgScript );
 275                 $tpl->setRef( 'skinname', $this->skinname );
 276                 $tpl->set( 'skinclass', get_class( $this ) );
 277                 $tpl->setRef( 'stylename', $this->stylename );
 278                 $tpl->set( 'printable', $out->isPrintable() );
 279                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 280                 $tpl->setRef( 'loggedin', $this->loggedin );
 281                 $tpl->set( 'notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL );
 282                 /* XXX currently unused, might get useful later
 283                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 284                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 285                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 286                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 287                 $tpl->set( "helppage", wfMsg('helppage'));
 288                 */
 289                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 290                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 291                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 292                 $tpl->setRef( 'stylepath', $wgStylePath );
 293                 $tpl->setRef( 'articlepath', $wgArticlePath );
 294                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 295                 $tpl->setRef( 'serverurl', $wgServer );
 296                 $tpl->setRef( 'logopath', $wgLogo );
 297                 $tpl->setRef( 'lang', $wgContLanguageCode );
 298                 $tpl->set( 'dir', $wgContLang->getDir() );
 299                 $tpl->set( 'rtl', $wgContLang->isRTL() );
 300                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 301                 $tpl->set( 'langname', $wgContLang->getLanguageName( $wgContLanguageCode ) );
 302                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 303                 $tpl->set( 'username', $wgUser->isAnon() ? null : $this->username );
 304                 $tpl->setRef( 'userpage', $this->userpage );
 305                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 306                 $tpl->set( 'userlang', $wgLang->getCode() );
 307
 308                 // Users can have their language set differently than the
 309                 // content of the wiki. For these users, tell the web browser
 310                 // that interface elements are in a different language.
 311                 $tpl->set( 'userlangattributes', '');
 312                 $tpl->set( 'specialpageattributes', '');
 313
 314                 $lang = $wgLang->getCode();
 315                 $dir  = $wgLang->getDir();
 316                 if ( $lang !== $wgContLang->getCode() || $dir !== $wgContLang->getDir() ) {
 317                         $attrs = " lang='$lang' dir='$dir'";
 318
 319                         $tpl->set( 'userlangattributes', $attrs );
 320
 321                         // The content of SpecialPages should be presented in the
 322                         // user's language. Content of regular pages should not be touched.
 323                         if($this->mTitle->isSpecialPage()) {
 324                                 $tpl->set( 'specialpageattributes', $attrs );
 325                         }
 326                 }
 327
 328                 $newtalks = $wgUser->getNewMessageLinks();
 329
 330                 if( count( $newtalks ) == 1 && $newtalks[0]['wiki'] === wfWikiID() ) {
 331                         $usertitle = $this->mUser->getUserPage();
 332                         $usertalktitle = $usertitle->getTalkPage();
 333
 334                         if( !$usertalktitle->equals( $this->mTitle ) ) {
 335                                 $newmessageslink = $this->link(
 336                                         $usertalktitle,
 337                                         wfMsgHtml( 'newmessageslink' ),
 338                                         array(),
 339                                         array( 'redirect' => 'no' ),
 340                                         array( 'known', 'noclasses' )
 341                                 );
 342
 343                                 $newmessagesdifflink = $this->link(
 344                                         $usertalktitle,
 345                                         wfMsgHtml( 'newmessagesdifflink' ),
 346                                         array(),
 347                                         array( 'diff' => 'cur' ),
 348                                         array( 'known', 'noclasses' )
 349                                 );
 350
 351                                 $ntl = wfMsg(
 352                                         'youhavenewmessages',
 353                                         $newmessageslink,
 354                                         $newmessagesdifflink
 355                                 );
 356                                 # Disable Cache
 357                                 $out->setSquidMaxage( 0 );
 358                         }
 359                 } else if( count( $newtalks ) ) {
 360                         // _>" " for BC <= 1.16
 361                         $sep = str_replace( '_', ' ', wfMsgHtml( 'newtalkseparator' ) );
 362                         $msgs = array();
 363                         foreach( $newtalks as $newtalk ) {
 364                                 $msgs[] = Xml::element('a',
 365                                         array( 'href' => $newtalk['link'] ), $newtalk['wiki'] );
 366                         }
 367                         $parts = implode( $sep, $msgs );
 368                         $ntl = wfMsgHtml( 'youhavenewmessagesmulti', $parts );
 369                         $out->setSquidMaxage( 0 );
 370                 } else {
 371                         $ntl = '';
 372                 }
 373                 wfProfileOut( __METHOD__ . '-stuff2' );
 374
 375                 wfProfileIn( __METHOD__ . '-stuff3' );
 376                 $tpl->setRef( 'newtalk', $ntl );
 377                 $tpl->setRef( 'skin', $this );
 378                 $tpl->set( 'logo', $this->logoText() );
 379                 if ( $out->isArticle() and ( !isset( $oldid ) or isset( $diff ) ) and
 380                         $wgArticle and 0 != $wgArticle->getID() ){
 381                         if ( !$wgDisableCounters ) {
 382                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 383                                 if ( $viewcount ) {
 384                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 385                                 } else {
 386                                         $tpl->set( 'viewcount', false );
 387                                 }
 388                         } else {
 389                                 $tpl->set( 'viewcount', false );
 390                         }
 391
 392                         if( $wgPageShowWatchingUsers ) {
 393                                 $dbr = wfGetDB( DB_SLAVE );
 394                                 $watchlist = $dbr->tableName( 'watchlist' );
 395                                 $res = $dbr->select( 'watchlist',
 396                                         array( 'COUNT(*) AS n' ),
 397                                         array( 'wl_title' => $dbr->strencode( $this->mTitle->getDBkey() ), 'wl_namespace' => $this->mTitle->getNamespace() ),
 398                                         __METHOD__
 399                                 );
 400                                 $x = $dbr->fetchObject( $res );
 401                                 $numberofwatchingusers = $x->n;
 402                                 if( $numberofwatchingusers > 0 ) {
 403                                         $tpl->set( 'numberofwatchingusers',
 404                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 405                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 406                                         );
 407                                 } else {
 408                                         $tpl->set( 'numberofwatchingusers', false );
 409                                 }
 410                         } else {
 411                                 $tpl->set( 'numberofwatchingusers', false );
 412                         }
 413
 414                         $tpl->set( 'copyright', $this->getCopyright() );
 415
 416                         $this->credits = false;
 417
 418                         if( $wgMaxCredits != 0 ){
 419                                 $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
 420                         } else {
 421                                 $tpl->set( 'lastmod', $this->lastModified() );
 422                         }
 423
 424                         $tpl->setRef( 'credits', $this->credits );
 425
 426                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 427                         $tpl->set( 'copyright', $this->getCopyright() );
 428                         $tpl->set( 'viewcount', false );
 429                         $tpl->set( 'lastmod', false );
 430                         $tpl->set( 'credits', false );
 431                         $tpl->set( 'numberofwatchingusers', false );
 432                 } else {
 433                         $tpl->set( 'copyright', false );
 434                         $tpl->set( 'viewcount', false );
 435                         $tpl->set( 'lastmod', false );
 436                         $tpl->set( 'credits', false );
 437                         $tpl->set( 'numberofwatchingusers', false );
 438                 }
 439                 wfProfileOut( __METHOD__ . '-stuff3' );
 440
 441                 wfProfileIn( __METHOD__ . '-stuff4' );
 442                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 443                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 444                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 445                 $tpl->set( 'privacy', $this->privacyLink() );
 446                 $tpl->set( 'about', $this->aboutLink() );
 447
 448                 if ( $wgDebugComments ) {
 449                         $tpl->setRef( 'debug', $out->mDebugtext );
 450                 } else {
 451                         $tpl->set( 'debug', '' );
 452                 }
 453
 454                 $tpl->set( 'reporttime', wfReportTime() );
 455                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 456                 $tpl->set( 'bottomscripts', $this->bottomScripts() );
 457
 458                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 459                 $out->mBodytext .= $printfooter . $this->generateDebugHTML();
 460                 $tpl->setRef( 'bodytext', $out->mBodytext );
 461
 462                 # Language links
 463                 $language_urls = array();
 464
 465                 if ( !$wgHideInterlanguageLinks ) {
 466                         foreach( $out->getLanguageLinks() as $l ) {
 467                                 $tmp = explode( ':', $l, 2 );
 468                                 $class = 'interwiki-' . $tmp[0];
 469                                 unset( $tmp );
 470                                 $nt = Title::newFromText( $l );
 471                                 if ( $nt ) {
 472                                         $language_urls[] = array(
 473                                                 'href' => $nt->getFullURL(),
 474                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 475                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 476                                                 'class' => $class
 477                                         );
 478                                 }
 479                         }
 480                 }
 481                 if( count( $language_urls ) ) {
 482                         $tpl->setRef( 'language_urls', $language_urls );
 483                 } else {
 484                         $tpl->set( 'language_urls', false );
 485                 }
 486                 wfProfileOut( __METHOD__ . '-stuff4' );
 487
 488                 wfProfileIn( __METHOD__ . '-stuff5' );
 489                 # Personal toolbar
 490                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 491                 $content_actions = $this->buildContentActionUrls();
 492                 $tpl->setRef( 'content_actions', $content_actions );
 493
 494                 $tpl->set( 'sidebar', $this->buildSidebar() );
 495                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 496
 497                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 498                 if ( $this->useHeadElement ) {
 499                         $tpl->set( 'headelement', $out->headElement( $this ) );
 500                 } else {
 501                         $tpl->set( 'headscripts', $out->getScript() );
 502                 }
 503
 504                 // original version by hansm
 505                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 506                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 507                 }
 508
 509                 // allow extensions adding stuff after the page content.
 510                 // See Skin::afterContentHook() for further documentation.
 511                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 512                 wfProfileOut( __METHOD__ . '-stuff5' );
 513
 514                 // execute template
 515                 wfProfileIn( __METHOD__ . '-execute' );
 516                 $res = $tpl->execute();
 517                 wfProfileOut( __METHOD__ . '-execute' );
 518
 519                 // result may be an error
 520                 $this->printOrError( $res );
 521                 wfProfileOut( __METHOD__ );
 522         }
 523
 524         /**
 525          * Output the string, or print error message if it's
 526          * an error object of the appropriate type.
 527          * For the base class, assume strings all around.
 528          *
 529          * @param mixed $str
 530          * @private
 531          */
 532         function printOrError( $str ) {
 533                 echo $str;
 534         }
 535
 536         /**
 537          * build array of urls for personal toolbar
 538          * @return array
 539          * @private
 540          */
 541         function buildPersonalUrls() {
 542                 global $wgOut, $wgRequest;
 543
 544                 $title = $wgOut->getTitle();
 545                 $pageurl = $title->getLocalURL();
 546                 wfProfileIn( __METHOD__ );
 547
 548                 /* set up the default links for the personal toolbar */
 549                 $personal_urls = array();
 550                 $page = $wgRequest->getVal( 'returnto', $this->thisurl );
 551                 $query = $wgRequest->getVal( 'returntoquery', $this->thisquery );
 552                 $returnto = "returnto=$page";
 553                 if( $this->thisquery != '' )
 554                         $returnto .= "&returntoquery=$query";
 555                 if( $this->loggedin ) {
 556                         $personal_urls['userpage'] = array(
 557                                 'text' => $this->username,
 558                                 'href' => &$this->userpageUrlDetails['href'],
 559                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 560                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 561                         );
 562                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 563                         $personal_urls['mytalk'] = array(
 564                                 'text' => wfMsg( 'mytalk' ),
 565                                 'href' => &$usertalkUrlDetails['href'],
 566                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 567                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 568                         );
 569                         $href = self::makeSpecialUrl( 'Preferences' );
 570                         $personal_urls['preferences'] = array(
 571                                 'text' => wfMsg( 'mypreferences' ),
 572                                 'href' => $href,
 573                                 'active' => ( $href == $pageurl )
 574                         );
 575                         $href = self::makeSpecialUrl( 'Watchlist' );
 576                         $personal_urls['watchlist'] = array(
 577                                 'text' => wfMsg( 'mywatchlist' ),
 578                                 'href' => $href,
 579                                 'active' => ( $href == $pageurl )
 580                         );
 581
 582                         # We need to do an explicit check for Special:Contributions, as we
 583                         # have to match both the title, and the target (which could come
 584                         # from request values or be specified in "sub page" form. The plot
 585                         # thickens, because $wgTitle is altered for special pages, so doesn't
 586                         # contain the original alias-with-subpage.
 587                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 588                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 589                                 list( $spName, $spPar ) =
 590                                         SpecialPage::resolveAliasWithSubpage( $origTitle->getText() );
 591                                 $active = $spName == 'Contributions'
 592                                         && ( ( $spPar && $spPar == $this->username )
 593                                                 || $wgRequest->getText( 'target' ) == $this->username );
 594                         } else {
 595                                 $active = false;
 596                         }
 597
 598                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 599                         $personal_urls['mycontris'] = array(
 600                                 'text' => wfMsg( 'mycontris' ),
 601                                 'href' => $href,
 602                                 'active' => $active
 603                         );
 604                         $personal_urls['logout'] = array(
 605                                 'text' => wfMsg( 'userlogout' ),
 606                                 'href' => self::makeSpecialUrl( 'Userlogout',
 607                                         $title->isSpecial( 'Preferences' ) ? '' : $returnto
 608                                 ),
 609                                 'active' => false
 610                         );
 611                 } else {
 612                         global $wgUser;
 613                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 614                                 ? 'nav-login-createaccount'
 615                                 : 'login';
 616                         if( $this->showIPinHeader() ) {
 617                                 $href = &$this->userpageUrlDetails['href'];
 618                                 $personal_urls['anonuserpage'] = array(
 619                                         'text' => $this->username,
 620                                         'href' => $href,
 621                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 622                                         'active' => ( $pageurl == $href )
 623                                 );
 624                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 625                                 $href = &$usertalkUrlDetails['href'];
 626                                 $personal_urls['anontalk'] = array(
 627                                         'text' => wfMsg( 'anontalk' ),
 628                                         'href' => $href,
 629                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 630                                         'active' => ( $pageurl == $href )
 631                                 );
 632                                 $personal_urls['anonlogin'] = array(
 633                                         'text' => wfMsg( $loginlink ),
 634                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 635                                         'active' => $title->isSpecial( 'Userlogin' )
 636                                 );
 637                         } else {
 638                                 $personal_urls['login'] = array(
 639                                         'text' => wfMsg( $loginlink ),
 640                                         'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 641                                         'active' => $title->isSpecial( 'Userlogin' )
 642                                 );
 643                         }
 644                 }
 645
 646                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 647                 wfProfileOut( __METHOD__ );
 648                 return $personal_urls;
 649         }
 650
 651         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 652                 $classes = array();
 653                 if( $selected ) {
 654                         $classes[] = 'selected';
 655                 }
 656                 if( $checkEdit && !$title->isKnown() ) {
 657                         $classes[] = 'new';
 658                         $query = 'action=edit&redlink=1';
 659                 }
 660
 661                 $text = wfMsg( $message );
 662                 if ( wfEmptyMsg( $message, $text ) ) {
 663                         global $wgContLang;
 664                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 665                 }
 666
 667                 $result = array();
 668                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 669                                 $title, $message, $selected, $checkEdit,
 670                                 &$classes, &$query, &$text, &$result ) ) ) {
 671                         return $result;
 672                 }
 673
 674                 return array(
 675                         'class' => implode( ' ', $classes ),
 676                         'text' => $text,
 677                         'href' => $title->getLocalUrl( $query ) );
 678         }
 679
 680         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 681                 $title = Title::newFromText( $name );
 682                 if( !is_object( $title ) ) {
 683                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 684                 }
 685                 $title = $title->getTalkPage();
 686                 self::checkTitle( $title, $name );
 687                 return array(
 688                         'href' => $title->getLocalURL( $urlaction ),
 689                         'exists' => $title->getArticleID() != 0 ? true : false
 690                 );
 691         }
 692
 693         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 694                 $title = Title::newFromText( $name );
 695                 $title= $title->getSubjectPage();
 696                 self::checkTitle( $title, $name );
 697                 return array(
 698                         'href' => $title->getLocalURL( $urlaction ),
 699                         'exists' => $title->getArticleID() != 0 ? true : false
 700                 );
 701         }
 702
 703         /**
 704          * an array of edit links by default used for the tabs
 705          * @return array
 706          * @private
 707          */
 708         function buildContentActionUrls() {
 709                 global $wgContLang, $wgLang, $wgOut, $wgUser, $wgRequest, $wgArticle;
 710
 711                 wfProfileIn( __METHOD__ );
 712
 713                 $action = $wgRequest->getVal( 'action', 'view' );
 714                 $section = $wgRequest->getVal( 'section' );
 715                 $content_actions = array();
 716
 717                 $prevent_active_tabs = false;
 718                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$prevent_active_tabs ) );
 719
 720                 if( $this->iscontent ) {
 721                         $subjpage = $this->mTitle->getSubjectPage();
 722                         $talkpage = $this->mTitle->getTalkPage();
 723
 724                         $nskey = $this->mTitle->getNamespaceKey();
 725                         $content_actions[$nskey] = $this->tabAction(
 726                                 $subjpage,
 727                                 $nskey,
 728                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 729                                 '', true
 730                         );
 731
 732                         $content_actions['talk'] = $this->tabAction(
 733                                 $talkpage,
 734                                 'talk',
 735                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 736                                 '',
 737                                 true
 738                         );
 739
 740                         wfProfileIn( __METHOD__ . '-edit' );
 741                         if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 742                                 $istalk = $this->mTitle->isTalkPage();
 743                                 $istalkclass = $istalk?' istalk':'';
 744                                 $content_actions['edit'] = array(
 745                                         'class' => ( ( ( $action == 'edit' or $action == 'submit' ) and $section != 'new' ) ? 'selected' : '' ) . $istalkclass,
 746                                         'text' => $this->mTitle->exists()
 747                                                 ? wfMsg( 'edit' )
 748                                                 : wfMsg( 'create' ),
 749                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 750                                 );
 751
 752                                 // adds new section link if page is a current revision of a talk page or
 753                                 if ( ( $wgArticle && $wgArticle->isCurrent() && $istalk ) || $wgOut->showNewSectionLink() ) {
 754                                         if ( !$wgOut->forceHideNewSectionLink() ) {
 755                                                 $content_actions['addsection'] = array(
 756                                                         'class' => $section == 'new' ? 'selected' : false,
 757                                                         'text' => wfMsg( 'addsection' ),
 758                                                         'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 759                                                 );
 760                                         }
 761                                 }
 762                         } elseif ( $this->mTitle->isKnown() ) {
 763                                 $content_actions['viewsource'] = array(
 764                                         'class' => ($action == 'edit') ? 'selected' : false,
 765                                         'text' => wfMsg( 'viewsource' ),
 766                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 767                                 );
 768                         }
 769                         wfProfileOut( __METHOD__ . '-edit' );
 770
 771                         wfProfileIn( __METHOD__ . '-live' );
 772                         if ( $this->mTitle->exists() ) {
 773
 774                                 $content_actions['history'] = array(
 775                                         'class' => ($action == 'history') ? 'selected' : false,
 776                                         'text' => wfMsg( 'history_short' ),
 777                                         'href' => $this->mTitle->getLocalUrl( 'action=history' ),
 778                                         'rel' => 'archives',
 779                                 );
 780
 781                                 if( $wgUser->isAllowed( 'delete' ) ) {
 782                                         $content_actions['delete'] = array(
 783                                                 'class' => ($action == 'delete') ? 'selected' : false,
 784                                                 'text' => wfMsg( 'delete' ),
 785                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 786                                         );
 787                                 }
 788                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 789                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 790                                         $content_actions['move'] = array(
 791                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 792                                                 'text' => wfMsg( 'move' ),
 793                                                 'href' => $moveTitle->getLocalUrl()
 794                                         );
 795                                 }
 796
 797                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 798                                         if( !$this->mTitle->isProtected() ){
 799                                                 $content_actions['protect'] = array(
 800                                                         'class' => ($action == 'protect') ? 'selected' : false,
 801                                                         'text' => wfMsg( 'protect' ),
 802                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 803                                                 );
 804
 805                                         } else {
 806                                                 $content_actions['unprotect'] = array(
 807                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 808                                                         'text' => wfMsg( 'unprotect' ),
 809                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 810                                                 );
 811                                         }
 812                                 }
 813                         } else {
 814                                 //article doesn't exist or is deleted
 815                                 if( $wgUser->isAllowed( 'deletedhistory' ) && $wgUser->isAllowed( 'deletedtext' ) ) {
 816                                         if( $n = $this->mTitle->isDeleted() ) {
 817                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 818                                                 $content_actions['undelete'] = array(
 819                                                         'class' => false,
 820                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $wgLang->formatNum( $n ) ),
 821                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 822                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 823                                                 );
 824                                         }
 825                                 }
 826
 827                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 828                                         if( !$this->mTitle->getRestrictions( 'create' ) ) {
 829                                                 $content_actions['protect'] = array(
 830                                                         'class' => ($action == 'protect') ? 'selected' : false,
 831                                                         'text' => wfMsg( 'protect' ),
 832                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 833                                                 );
 834
 835                                         } else {
 836                                                 $content_actions['unprotect'] = array(
 837                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 838                                                         'text' => wfMsg( 'unprotect' ),
 839                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 840                                                 );
 841                                         }
 842                                 }
 843                         }
 844
 845                         wfProfileOut( __METHOD__ . '-live' );
 846
 847                         if( $this->loggedin ) {
 848                                 if( !$this->mTitle->userIsWatching()) {
 849                                         $content_actions['watch'] = array(
 850                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 851                                                 'text' => wfMsg( 'watch' ),
 852                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 853                                         );
 854                                 } else {
 855                                         $content_actions['unwatch'] = array(
 856                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 857                                                 'text' => wfMsg( 'unwatch' ),
 858                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 859                                         );
 860                                 }
 861                         }
 862
 863
 864                         wfRunHooks( 'SkinTemplateTabs', array( $this, &$content_actions ) );
 865                 } else {
 866                         /* show special page tab */
 867
 868                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 869                                 'class' => 'selected',
 870                                 'text' => wfMsg('nstab-special'),
 871                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 872                         );
 873
 874                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 875                 }
 876
 877                 /* show links to different language variants */
 878                 global $wgDisableLangConversion;
 879                 $variants = $wgContLang->getVariants();
 880                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 881                         $preferred = $wgContLang->getPreferredVariant();
 882                         $vcount=0;
 883                         foreach( $variants as $code ) {
 884                                 $varname = $wgContLang->getVariantname( $code );
 885                                 if( $varname == 'disable' )
 886                                         continue;
 887                                 $selected = ( $code == $preferred )? 'selected' : false;
 888                                 $content_actions['varlang-' . $vcount] = array(
 889                                         'class' => $selected,
 890                                         'text' => $varname,
 891                                         'href' => $this->mTitle->getLocalURL( '', $code )
 892                                 );
 893                                 $vcount ++;
 894                         }
 895                 }
 896
 897                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 898
 899                 wfProfileOut( __METHOD__ );
 900                 return $content_actions;
 901         }
 902
 903         /**
 904          * build array of common navigation links
 905          * @return array
 906          * @private
 907          */
 908         function buildNavUrls() {
 909                 global $wgUseTrackbacks, $wgOut, $wgUser, $wgRequest;
 910                 global $wgEnableUploads, $wgUploadNavigationUrl;
 911
 912                 wfProfileIn( __METHOD__ );
 913
 914                 $action = $wgRequest->getVal( 'action', 'view' );
 915
 916                 $nav_urls = array();
 917                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 918                 if( $wgUploadNavigationUrl ) {
 919                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 920                 } elseif( $wgEnableUploads && $wgUser->isAllowed( 'upload' ) ) {
 921                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 922                 } else {
 923                         $nav_urls['upload'] = false;
 924                 }
 925                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 926
 927                 // default permalink to being off, will override it as required below.
 928                 $nav_urls['permalink'] = false;
 929
 930                 // A print stylesheet is attached to all pages, but nobody ever
 931                 // figures that out. :)  Add a link...
 932                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
 933                         if ( !$wgOut->isPrintable() ) {
 934                                 $nav_urls['print'] = array(
 935                                         'text' => wfMsg( 'printableversion' ),
 936                                         'href' => $wgRequest->appendQuery( 'printable=yes' )
 937                                 );
 938                         }
 939
 940                         // Also add a "permalink" while we're at it
 941                         if ( $this->mRevisionId ) {
 942                                 $nav_urls['permalink'] = array(
 943                                         'text' => wfMsg( 'permalink' ),
 944                                         'href' => $wgOut->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
 945                                 );
 946                         }
 947
 948                         // Copy in case this undocumented, shady hook tries to mess with internals
 949                         $revid = $this->mRevisionId;
 950                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
 951                 }
 952
 953                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 954                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 955                         $nav_urls['whatlinkshere'] = array(
 956                                 'href' => $wlhTitle->getLocalUrl()
 957                         );
 958                         if( $this->mTitle->getArticleId() ) {
 959                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 960                                 $nav_urls['recentchangeslinked'] = array(
 961                                         'href' => $rclTitle->getLocalUrl()
 962                                 );
 963                         } else {
 964                                 $nav_urls['recentchangeslinked'] = false;
 965                         }
 966                         if( $wgUseTrackbacks )
 967                                 $nav_urls['trackbacklink'] = array(
 968                                         'href' => $wgOut->getTitle()->trackbackURL()
 969                                 );
 970                 }
 971
 972                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 973                         $id = User::idFromName( $this->mTitle->getText() );
 974                         $ip = User::isIP( $this->mTitle->getText() );
 975                 } else {
 976                         $id = 0;
 977                         $ip = false;
 978                 }
 979
 980                 if( $id || $ip ) { # both anons and non-anons have contribs list
 981                         $nav_urls['contributions'] = array(
 982                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $this->mTitle->getText() )
 983                         );
 984
 985                         if( $id ) {
 986                                 $logPage = SpecialPage::getTitleFor( 'Log' );
 987                                 $nav_urls['log'] = array(
 988                                         'href' => $logPage->getLocalUrl(
 989                                                 array(
 990                                                         'user' => $this->mTitle->getText()
 991                                                 )
 992                                         )
 993                                 );
 994                         } else {
 995                                 $nav_urls['log'] = false;
 996                         }
 997
 998                         if ( $wgUser->isAllowed( 'block' ) ) {
 999                                 $nav_urls['blockip'] = array(
1000                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $this->mTitle->getText() )
1001                                 );
1002                         } else {
1003                                 $nav_urls['blockip'] = false;
1004                         }
1005                 } else {
1006                         $nav_urls['contributions'] = false;
1007                         $nav_urls['log'] = false;
1008                         $nav_urls['blockip'] = false;
1009                 }
1010                 $nav_urls['emailuser'] = false;
1011                 if( $this->showEmailUser( $id ) ) {
1012                         $nav_urls['emailuser'] = array(
1013                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $this->mTitle->getText() )
1014                         );
1015                 }
1016                 wfProfileOut( __METHOD__ );
1017                 return $nav_urls;
1018         }
1019
1020         /**
1021          * Generate strings used for xml 'id' names
1022          * @return string
1023          * @private
1024          */
1025         function getNameSpaceKey() {
1026                 return $this->mTitle->getNamespaceKey();
1027         }
1028
1029         /**
1030          * @private
1031          */
1032         function setupUserJs( $allowUserJs ) {
1033                 global $wgRequest, $wgJsMimeType;
1034                 wfProfileIn( __METHOD__ );
1035
1036                 $action = $wgRequest->getVal( 'action', 'view' );
1037
1038                 if( $allowUserJs && $this->loggedin ) {
1039                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1040                                 # XXX: additional security check/prompt?
1041                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1042                         } else {
1043                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1044                         }
1045                 }
1046                 wfProfileOut( __METHOD__ );
1047         }
1048
1049         /**
1050          * Code for extensions to hook into to provide per-page CSS, see
1051          * extensions/PageCSS/PageCSS.php for an implementation of this.
1052          *
1053          * @private
1054          */
1055         function setupPageCss() {
1056                 wfProfileIn( __METHOD__ );
1057                 $out = false;
1058                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1059                 wfProfileOut( __METHOD__ );
1060                 return $out;
1061         }
1062
1063         public function commonPrintStylesheet() {
1064                 return false;
1065         }
1066 }
1067
1068 /**
1069  * Generic wrapper for template functions, with interface
1070  * compatible with what we use of PHPTAL 0.7.
1071  * @ingroup Skins
1072  */
1073 abstract class QuickTemplate {
1074         /**
1075          * Constructor
1076          */
1077         public function QuickTemplate() {
1078                 $this->data = array();
1079                 $this->translator = new MediaWiki_I18N();
1080         }
1081
1082         /**
1083          * Sets the value $value to $name
1084          * @param $name
1085          * @param $value
1086          */
1087         public function set( $name, $value ) {
1088                 $this->data[$name] = $value;
1089         }
1090
1091         /**
1092          * @param $name
1093          * @param $value
1094          */
1095         public function setRef( $name, &$value ) {
1096                 $this->data[$name] =& $value;
1097         }
1098
1099         /**
1100          * @param $t
1101          */
1102         public function setTranslator( &$t ) {
1103                 $this->translator = &$t;
1104         }
1105
1106         /**
1107          * Main function, used by classes that subclass QuickTemplate
1108          * to show the actual HTML output
1109          */
1110         abstract public function execute();
1111
1112         /**
1113          * @private
1114          */
1115         function text( $str ) {
1116                 echo htmlspecialchars( $this->data[$str] );
1117         }
1118
1119         /**
1120          * @private
1121          */
1122         function jstext( $str ) {
1123                 echo Xml::escapeJsString( $this->data[$str] );
1124         }
1125
1126         /**
1127          * @private
1128          */
1129         function html( $str ) {
1130                 echo $this->data[$str];
1131         }
1132
1133         /**
1134          * @private
1135          */
1136         function msg( $str ) {
1137                 echo htmlspecialchars( $this->translator->translate( $str ) );
1138         }
1139
1140         /**
1141          * @private
1142          */
1143         function msgHtml( $str ) {
1144                 echo $this->translator->translate( $str );
1145         }
1146
1147         /**
1148          * An ugly, ugly hack.
1149          * @private
1150          */
1151         function msgWiki( $str ) {
1152                 global $wgParser, $wgOut;
1153
1154                 $text = $this->translator->translate( $str );
1155                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1156                         $wgOut->parserOptions(), true );
1157                 echo $parserOutput->getText();
1158         }
1159
1160         /**
1161          * @private
1162          */
1163         function haveData( $str ) {
1164                 return isset( $this->data[$str] );
1165         }
1166
1167         /**
1168          * @private
1169          */
1170         function haveMsg( $str ) {
1171                 $msg = $this->translator->translate( $str );
1172                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1173         }
1174 }