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( array( 'mediawiki.legacy.shared', 'mediawiki.legacy.commonPrint' ) );
 111         }
 112
 113         /**
 114          * Create the template engine object; we feed it a bunch of data
 115          * and eventually it spits out some HTML. Should have interface
 116          * roughly equivalent to PHPTAL 0.7.
 117          *
 118          * @param $classname string (or file)
 119          * @param $repository string: subdirectory where we keep template files
 120          * @param $cache_dir string
 121          * @return object
 122          * @private
 123          */
 124         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 125                 return new $classname();
 126         }
 127
 128         /**
 129          * initialize various variables and generate the template
 130          *
 131          * @param $out OutputPage
 132          */
 133         function outputPage( OutputPage $out ) {
 134                 global $wgArticle, $wgUser, $wgLang, $wgContLang;
 135                 global $wgScript, $wgStylePath, $wgLanguageCode;
 136                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 137                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
 138                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 139                 global $wgMaxCredits, $wgShowCreditsIfMax;
 140                 global $wgPageShowWatchingUsers;
 141                 global $wgUseTrackbacks, $wgUseSiteJs, $wgDebugComments;
 142                 global $wgArticlePath, $wgScriptPath, $wgServer, $wgProfiler;
 143
 144                 wfProfileIn( __METHOD__ );
 145                 if ( is_object( $wgProfiler ) ) {
 146                         $wgProfiler->setTemplated( true );
 147                 }
 148
 149                 $oldid = $wgRequest->getVal( 'oldid' );
 150                 $diff = $wgRequest->getVal( 'diff' );
 151                 $action = $wgRequest->getVal( 'action', 'view' );
 152
 153                 wfProfileIn( __METHOD__ . '-init' );
 154                 $this->initPage( $out );
 155
 156                 $this->setMembers();
 157                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 158
 159                 #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
 160                 $tpl->setTranslator( new MediaWiki_I18N() );
 161                 #}
 162                 wfProfileOut( __METHOD__ . '-init' );
 163
 164                 wfProfileIn( __METHOD__ . '-stuff' );
 165                 $this->thispage = $this->mTitle->getPrefixedDBkey();
 166                 $this->thisurl = $this->mTitle->getPrefixedURL();
 167                 $query = array();
 168                 if ( !$wgRequest->wasPosted() ) {
 169                         $query = $wgRequest->getValues();
 170                         unset( $query['title'] );
 171                         unset( $query['returnto'] );
 172                         unset( $query['returntoquery'] );
 173                 }
 174                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 175                 $this->loggedin = $wgUser->isLoggedIn();
 176                 $this->iscontent = ( $this->mTitle->getNamespace() != NS_SPECIAL );
 177                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 178                 $this->username = $wgUser->getName();
 179
 180                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 181                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 182                 } else {
 183                         # This won't be used in the standard skins, but we define it to preserve the interface
 184                         # To save time, we check for existence
 185                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 186                 }
 187
 188                 $this->titletxt = $this->mTitle->getPrefixedText();
 189                 wfProfileOut( __METHOD__ . '-stuff' );
 190
 191                 wfProfileIn( __METHOD__ . '-stuff-head' );
 192                 if ( $this->useHeadElement ) {
 193                         $pagecss = $this->setupPageCss();
 194                         if( $pagecss )
 195                                 $out->addInlineStyle( $pagecss );
 196                 } else {
 197                         $this->setupUserCss( $out );
 198
 199                         $tpl->set( 'pagecss', $this->setupPageCss() );
 200                         $tpl->setRef( 'usercss', $this->usercss );
 201
 202                         $this->userjs = $this->userjsprev = false;
 203                         $this->setupUserJs( $out->isUserJsAllowed() );
 204                         $tpl->setRef( 'userjs', $this->userjs );
 205                         $tpl->setRef( 'userjsprev', $this->userjsprev );
 206
 207                         if( $wgUseSiteJs ) {
 208                                 $jsCache = $this->loggedin ? '&smaxage=0' : '';
 209                                 $tpl->set( 'jsvarurl',
 210                                                   self::makeUrl( '-',
 211                                                                                 "action=raw$jsCache&gen=js&useskin=" .
 212                                                                                 urlencode( $this->getSkinName() ) ) );
 213                         } else {
 214                                 $tpl->set( 'jsvarurl', false );
 215                         }
 216
 217                         $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 218                         $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 219                         $tpl->set( 'html5version', $wgHtml5Version );
 220                         $tpl->set( 'headlinks', $out->getHeadLinks( $this ) );
 221                         $tpl->set( 'csslinks', $out->buildCssLinks( $this ) );
 222
 223                         if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 224                                 $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 225                         } else {
 226                                 $tpl->set( 'trackbackhtml', null );
 227                         }
 228                 }
 229                 wfProfileOut( __METHOD__ . '-stuff-head' );
 230
 231                 wfProfileIn( __METHOD__ . '-stuff2' );
 232                 $tpl->set( 'title', $out->getPageTitle() );
 233                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 234                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 235                 $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
 236                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 237
 238                 $nsname = MWNamespace::exists( $this->mTitle->getNamespace() ) ?
 239                                         MWNamespace::getCanonicalName( $this->mTitle->getNamespace() ) :
 240                                         $this->mTitle->getNsText();
 241
 242                 $tpl->set( 'nscanonical', $nsname );
 243                 $tpl->set( 'nsnumber', $this->mTitle->getNamespace() );
 244                 $tpl->set( 'titleprefixeddbkey', $this->mTitle->getPrefixedDBKey() );
 245                 $tpl->set( 'titletext', $this->mTitle->getText() );
 246                 $tpl->set( 'articleid', $this->mTitle->getArticleId() );
 247                 $tpl->set( 'currevisionid', isset( $wgArticle ) ? $wgArticle->getLatest() : 0 );
 248
 249                 $tpl->set( 'isarticle', $out->isArticle() );
 250
 251                 $tpl->setRef( 'thispage', $this->thispage );
 252                 $subpagestr = $this->subPageSubtitle();
 253                 $tpl->set(
 254                         'subtitle', !empty( $subpagestr ) ?
 255                         '<span class="subpages">'.$subpagestr.'</span>'.$out->getSubtitle() :
 256                         $out->getSubtitle()
 257                 );
 258                 $undelete = $this->getUndeleteLink();
 259                 $tpl->set(
 260                         'undelete', !empty( $undelete ) ?
 261                         '<span class="subpages">'.$undelete.'</span>' :
 262                         ''
 263                 );
 264
 265                 $tpl->set( 'catlinks', $this->getCategories() );
 266                 if( $out->isSyndicated() ) {
 267                         $feeds = array();
 268                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 269                                 $feeds[$format] = array(
 270                                         'text' => wfMsg( "feed-$format" ),
 271                                         'href' => $link
 272                                 );
 273                         }
 274                         $tpl->setRef( 'feeds', $feeds );
 275                 } else {
 276                         $tpl->set( 'feeds', false );
 277                 }
 278
 279                 $tpl->setRef( 'mimetype', $wgMimeType );
 280                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 281                 $tpl->setRef( 'charset', $wgOutputEncoding );
 282                 $tpl->setRef( 'wgScript', $wgScript );
 283                 $tpl->setRef( 'skinname', $this->skinname );
 284                 $tpl->set( 'skinclass', get_class( $this ) );
 285                 $tpl->setRef( 'stylename', $this->stylename );
 286                 $tpl->set( 'printable', $out->isPrintable() );
 287                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 288                 $tpl->setRef( 'loggedin', $this->loggedin );
 289                 $tpl->set( 'notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL );
 290                 /* XXX currently unused, might get useful later
 291                 $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
 292                 $tpl->set( "exists", $this->mTitle->getArticleID() != 0 );
 293                 $tpl->set( "watch", $this->mTitle->userIsWatching() ? "unwatch" : "watch" );
 294                 $tpl->set( "protect", count($this->mTitle->isProtected()) ? "unprotect" : "protect" );
 295                 $tpl->set( "helppage", wfMsg('helppage'));
 296                 */
 297                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 298                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 299                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 300                 $tpl->setRef( 'stylepath', $wgStylePath );
 301                 $tpl->setRef( 'articlepath', $wgArticlePath );
 302                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 303                 $tpl->setRef( 'serverurl', $wgServer );
 304                 $tpl->setRef( 'logopath', $wgLogo );
 305
 306                 $lang = wfUILang();
 307                 $tpl->set( 'lang', $lang->getCode() );
 308                 $tpl->set( 'dir', $lang->getDir() );
 309                 $tpl->set( 'rtl', $lang->isRTL() );
 310
 311                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 312                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 313                 $tpl->set( 'username', $wgUser->isAnon() ? null : $this->username );
 314                 $tpl->setRef( 'userpage', $this->userpage );
 315                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 316                 $tpl->set( 'userlang', $wgLang->getCode() );
 317
 318                 // Users can have their language set differently than the
 319                 // content of the wiki. For these users, tell the web browser
 320                 // that interface elements are in a different language.
 321                 $tpl->set( 'userlangattributes', '' );
 322                 $tpl->set( 'specialpageattributes', '' );
 323
 324                 $lang = $wgLang->getCode();
 325                 $dir  = $wgLang->getDir();
 326                 if ( $lang !== $wgContLang->getCode() || $dir !== $wgContLang->getDir() ) {
 327                         $attrs = " lang='$lang' dir='$dir'";
 328
 329                         $tpl->set( 'userlangattributes', $attrs );
 330
 331                         // The content of SpecialPages should be presented in the
 332                         // user's language. Content of regular pages should not be touched.
 333                         if( $this->mTitle->isSpecialPage() ) {
 334                                 $tpl->set( 'specialpageattributes', $attrs );
 335                         }
 336                 }
 337
 338                 $newtalks = $this->getNewtalks();
 339
 340                 wfProfileOut( __METHOD__ . '-stuff2' );
 341
 342                 wfProfileIn( __METHOD__ . '-stuff3' );
 343                 $tpl->setRef( 'newtalk', $newtalks );
 344                 $tpl->setRef( 'skin', $this );
 345                 $tpl->set( 'logo', $this->logoText() );
 346                 if ( $out->isArticle() and ( !isset( $oldid ) or isset( $diff ) ) and
 347                         $wgArticle and 0 != $wgArticle->getID() ){
 348                         if ( !$wgDisableCounters ) {
 349                                 $viewcount = $wgLang->formatNum( $wgArticle->getCount() );
 350                                 if ( $viewcount ) {
 351                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 352                                 } else {
 353                                         $tpl->set( 'viewcount', false );
 354                                 }
 355                         } else {
 356                                 $tpl->set( 'viewcount', false );
 357                         }
 358
 359                         if( $wgPageShowWatchingUsers ) {
 360                                 $dbr = wfGetDB( DB_SLAVE );
 361                                 $res = $dbr->select( 'watchlist',
 362                                         array( 'COUNT(*) AS n' ),
 363                                         array( 'wl_title' => $dbr->strencode( $this->mTitle->getDBkey() ), 'wl_namespace' => $this->mTitle->getNamespace() ),
 364                                         __METHOD__
 365                                 );
 366                                 $x = $dbr->fetchObject( $res );
 367                                 $numberofwatchingusers = $x->n;
 368                                 if( $numberofwatchingusers > 0 ) {
 369                                         $tpl->set( 'numberofwatchingusers',
 370                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 371                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 372                                         );
 373                                 } else {
 374                                         $tpl->set( 'numberofwatchingusers', false );
 375                                 }
 376                         } else {
 377                                 $tpl->set( 'numberofwatchingusers', false );
 378                         }
 379
 380                         $tpl->set( 'copyright', $this->getCopyright() );
 381
 382                         $this->credits = false;
 383
 384                         if( $wgMaxCredits != 0 ){
 385                                 $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
 386                         } else {
 387                                 $tpl->set( 'lastmod', $this->lastModified() );
 388                         }
 389
 390                         $tpl->setRef( 'credits', $this->credits );
 391
 392                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 393                         $tpl->set( 'copyright', $this->getCopyright() );
 394                         $tpl->set( 'viewcount', false );
 395                         $tpl->set( 'lastmod', false );
 396                         $tpl->set( 'credits', false );
 397                         $tpl->set( 'numberofwatchingusers', false );
 398                 } else {
 399                         $tpl->set( 'copyright', false );
 400                         $tpl->set( 'viewcount', false );
 401                         $tpl->set( 'lastmod', false );
 402                         $tpl->set( 'credits', false );
 403                         $tpl->set( 'numberofwatchingusers', false );
 404                 }
 405                 wfProfileOut( __METHOD__ . '-stuff3' );
 406
 407                 wfProfileIn( __METHOD__ . '-stuff4' );
 408                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 409                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 410                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 411                 $tpl->set( 'privacy', $this->privacyLink() );
 412                 $tpl->set( 'about', $this->aboutLink() );
 413
 414                 $tpl->set( 'footerlinks', array(
 415                         'info' => array(
 416                                 'lastmod',
 417                                 'viewcount',
 418                                 'numberofwatchingusers',
 419                                 'credits',
 420                                 'copyright',
 421                         ),
 422                         'places' => array(
 423                                 'privacy',
 424                                 'about',
 425                                 'disclaimer',
 426                         ),
 427                 ) );
 428
 429                 global $wgFooterIcons;
 430                 $tpl->set( 'footericons', $wgFooterIcons );
 431                 foreach ( $tpl->data["footericons"] as $footerIconsKey => &$footerIconsBlock ) {
 432                         if ( count($footerIconsBlock) > 0 ) {
 433                                 foreach ( $footerIconsBlock as &$footerIcon ) {
 434                                         if ( isset($footerIcon["src"]) ) {
 435                                                 if ( !isset($footerIcon["width"]) ) $footerIcon["width"] = 88;
 436                                                 if ( !isset($footerIcon["height"]) ) $footerIcon["height"] = 31;
 437                                         }
 438                                 }
 439                         } else {
 440                                 unset($tpl->data["footericons"][$footerIconsKey]);
 441                         }
 442                 }
 443
 444                 if ( $wgDebugComments ) {
 445                         $tpl->setRef( 'debug', $out->mDebugtext );
 446                 } else {
 447                         $tpl->set( 'debug', '' );
 448                 }
 449
 450                 $tpl->set( 'reporttime', wfReportTime() );
 451                 $tpl->set( 'sitenotice', wfGetSiteNotice() );
 452                 $tpl->set( 'bottomscripts', $this->bottomScripts( $out ) );
 453
 454                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 455                 global $wgBetterDirectionality;
 456                 if ( $wgBetterDirectionality ) {
 457                         $realBodyAttribs = array( 'lang' => $wgLanguageCode, 'dir' => $wgContLang->getDir() );
 458                         $out->mBodytext = Html::rawElement( 'div', $realBodyAttribs, $out->mBodytext );
 459                 }
 460                 $out->mBodytext .= $printfooter . $this->generateDebugHTML();
 461                 $tpl->setRef( 'bodytext', $out->mBodytext );
 462
 463                 # Language links
 464                 $language_urls = array();
 465
 466                 if ( !$wgHideInterlanguageLinks ) {
 467                         foreach( $out->getLanguageLinks() as $l ) {
 468                                 $tmp = explode( ':', $l, 2 );
 469                                 $class = 'interwiki-' . $tmp[0];
 470                                 unset( $tmp );
 471                                 $nt = Title::newFromText( $l );
 472                                 if ( $nt ) {
 473                                         $language_urls[] = array(
 474                                                 'href' => $nt->getFullURL(),
 475                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 476                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 477                                                 'title' => $nt->getText(),
 478                                                 'class' => $class
 479                                         );
 480                                 }
 481                         }
 482                 }
 483                 if( count( $language_urls ) ) {
 484                         $tpl->setRef( 'language_urls', $language_urls );
 485                 } else {
 486                         $tpl->set( 'language_urls', false );
 487                 }
 488                 wfProfileOut( __METHOD__ . '-stuff4' );
 489
 490                 wfProfileIn( __METHOD__ . '-stuff5' );
 491                 # Personal toolbar
 492                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 493                 $content_actions = $this->buildContentActionUrls();
 494                 $tpl->setRef( 'content_actions', $content_actions );
 495
 496                 $tpl->set( 'sidebar', $this->buildSidebar() );
 497                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 498
 499                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 500                 if ( $this->useHeadElement ) {
 501                         $tpl->set( 'headelement', $out->headElement( $this ) );
 502                 } else {
 503                         $tpl->set( 'headscripts', $out->getScript() );
 504                 }
 505
 506                 // original version by hansm
 507                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 508                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 509                 }
 510
 511                 // allow extensions adding stuff after the page content.
 512                 // See Skin::afterContentHook() for further documentation.
 513                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 514                 wfProfileOut( __METHOD__ . '-stuff5' );
 515
 516                 // execute template
 517                 wfProfileIn( __METHOD__ . '-execute' );
 518                 $res = $tpl->execute();
 519                 wfProfileOut( __METHOD__ . '-execute' );
 520
 521                 // result may be an error
 522                 $this->printOrError( $res );
 523                 wfProfileOut( __METHOD__ );
 524         }
 525
 526         /**
 527          * Output the string, or print error message if it's
 528          * an error object of the appropriate type.
 529          * For the base class, assume strings all around.
 530          *
 531          * @param $str Mixed
 532          * @private
 533          */
 534         function printOrError( $str ) {
 535                 echo $str;
 536         }
 537
 538         /**
 539          * build array of urls for personal toolbar
 540          * @return array
 541          * @private
 542          */
 543         function buildPersonalUrls() {
 544                 global $wgOut, $wgRequest;
 545
 546                 $title = $wgOut->getTitle();
 547                 $pageurl = $title->getLocalURL();
 548                 wfProfileIn( __METHOD__ );
 549
 550                 /* set up the default links for the personal toolbar */
 551                 $personal_urls = array();
 552                 $page = $wgRequest->getVal( 'returnto', $this->thisurl );
 553                 $query = $wgRequest->getVal( 'returntoquery', $this->thisquery );
 554                 $returnto = "returnto=$page";
 555                 if( $this->thisquery != '' )
 556                         $returnto .= "&returntoquery=$query";
 557                 if( $this->loggedin ) {
 558                         $personal_urls['userpage'] = array(
 559                                 'text' => $this->username,
 560                                 'href' => &$this->userpageUrlDetails['href'],
 561                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 562                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 563                         );
 564                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 565                         $personal_urls['mytalk'] = array(
 566                                 'text' => wfMsg( 'mytalk' ),
 567                                 'href' => &$usertalkUrlDetails['href'],
 568                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 569                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 570                         );
 571                         $href = self::makeSpecialUrl( 'Preferences' );
 572                         $personal_urls['preferences'] = array(
 573                                 'text' => wfMsg( 'mypreferences' ),
 574                                 'href' => $href,
 575                                 'active' => ( $href == $pageurl )
 576                         );
 577                         $href = self::makeSpecialUrl( 'Watchlist' );
 578                         $personal_urls['watchlist'] = array(
 579                                 'text' => wfMsg( 'mywatchlist' ),
 580                                 'href' => $href,
 581                                 'active' => ( $href == $pageurl )
 582                         );
 583
 584                         # We need to do an explicit check for Special:Contributions, as we
 585                         # have to match both the title, and the target (which could come
 586                         # from request values or be specified in "sub page" form. The plot
 587                         # thickens, because $wgTitle is altered for special pages, so doesn't
 588                         # contain the original alias-with-subpage.
 589                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 590                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 591                                 list( $spName, $spPar ) =
 592                                         SpecialPage::resolveAliasWithSubpage( $origTitle->getText() );
 593                                 $active = $spName == 'Contributions'
 594                                         && ( ( $spPar && $spPar == $this->username )
 595                                                 || $wgRequest->getText( 'target' ) == $this->username );
 596                         } else {
 597                                 $active = false;
 598                         }
 599
 600                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 601                         $personal_urls['mycontris'] = array(
 602                                 'text' => wfMsg( 'mycontris' ),
 603                                 'href' => $href,
 604                                 'active' => $active
 605                         );
 606                         $personal_urls['logout'] = array(
 607                                 'text' => wfMsg( 'userlogout' ),
 608                                 'href' => self::makeSpecialUrl( 'Userlogout',
 609                                         // userlogout link must always contain an & character, otherwise we might not be able
 610                                         // to detect a buggy precaching proxy (bug 17790)
 611                                         $title->isSpecial( 'Preferences' ) ? 'noreturnto' : $returnto
 612                                 ),
 613                                 'active' => false
 614                         );
 615                 } else {
 616                         global $wgUser;
 617                         $loginlink = $wgUser->isAllowed( 'createaccount' )
 618                                 ? 'nav-login-createaccount'
 619                                 : 'login';
 620
 621                         # anonlogin & login are the same
 622                         $login_url = array(
 623                                 'text' => wfMsg( $loginlink ),
 624                                 'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 625                                 'active' => $title->isSpecial( 'Userlogin' )
 626                         );
 627                         global $wgProto, $wgSecureLogin;
 628                         if( $wgProto === 'http' && $wgSecureLogin ) {
 629                                 $title = SpecialPage::getTitleFor( 'Userlogin' );
 630                                 $https_url = preg_replace( '/^http:/', 'https:', $title->getFullURL() );
 631                                 $login_url['href']  = $https_url;
 632                                 $login_url['class'] = 'link-https';  # FIXME class depends on skin
 633                         }
 634
 635                         if( $this->showIPinHeader() ) {
 636                                 $href = &$this->userpageUrlDetails['href'];
 637                                 $personal_urls['anonuserpage'] = array(
 638                                         'text' => $this->username,
 639                                         'href' => $href,
 640                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 641                                         'active' => ( $pageurl == $href )
 642                                 );
 643                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 644                                 $href = &$usertalkUrlDetails['href'];
 645                                 $personal_urls['anontalk'] = array(
 646                                         'text' => wfMsg( 'anontalk' ),
 647                                         'href' => $href,
 648                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 649                                         'active' => ( $pageurl == $href )
 650                                 );
 651                                 $personal_urls['anonlogin'] = $login_url;
 652                         } else {
 653                                 $personal_urls['login'] = $login_url;
 654                         }
 655                 }
 656
 657                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 658                 wfProfileOut( __METHOD__ );
 659                 return $personal_urls;
 660         }
 661
 662         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 663                 $classes = array();
 664                 if( $selected ) {
 665                         $classes[] = 'selected';
 666                 }
 667                 if( $checkEdit && !$title->isKnown() ) {
 668                         $classes[] = 'new';
 669                         $query = 'action=edit&redlink=1';
 670                 }
 671
 672                 $text = wfMsg( $message );
 673                 if ( wfEmptyMsg( $message, $text ) ) {
 674                         global $wgContLang;
 675                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 676                 }
 677
 678                 $result = array();
 679                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 680                                 $title, $message, $selected, $checkEdit,
 681                                 &$classes, &$query, &$text, &$result ) ) ) {
 682                         return $result;
 683                 }
 684
 685                 return array(
 686                         'class' => implode( ' ', $classes ),
 687                         'text' => $text,
 688                         'href' => $title->getLocalUrl( $query ) );
 689         }
 690
 691         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 692                 $title = Title::newFromText( $name );
 693                 if( !is_object( $title ) ) {
 694                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 695                 }
 696                 $title = $title->getTalkPage();
 697                 self::checkTitle( $title, $name );
 698                 return array(
 699                         'href' => $title->getLocalURL( $urlaction ),
 700                         'exists' => $title->getArticleID() != 0,
 701                 );
 702         }
 703
 704         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 705                 $title = Title::newFromText( $name );
 706                 $title= $title->getSubjectPage();
 707                 self::checkTitle( $title, $name );
 708                 return array(
 709                         'href' => $title->getLocalURL( $urlaction ),
 710                         'exists' => $title->getArticleID() != 0,
 711                 );
 712         }
 713
 714         /**
 715          * an array of edit links by default used for the tabs
 716          * @return array
 717          * @private
 718          */
 719         function buildContentActionUrls() {
 720                 global $wgContLang, $wgLang, $wgOut, $wgUser, $wgRequest, $wgArticle;
 721
 722                 wfProfileIn( __METHOD__ );
 723
 724                 $action = $wgRequest->getVal( 'action', 'view' );
 725                 $section = $wgRequest->getVal( 'section' );
 726                 $content_actions = array();
 727                 $userCanRead = $this->mTitle->userCanRead();
 728
 729                 $prevent_active_tabs = false;
 730                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$prevent_active_tabs ) );
 731
 732                 if( $this->iscontent ) {
 733                         $subjpage = $this->mTitle->getSubjectPage();
 734                         $talkpage = $this->mTitle->getTalkPage();
 735
 736                         $nskey = $this->mTitle->getNamespaceKey();
 737                         $content_actions[$nskey] = $this->tabAction(
 738                                 $subjpage,
 739                                 $nskey,
 740                                 !$this->mTitle->isTalkPage() && !$prevent_active_tabs,
 741                                 '', $userCanRead
 742                         );
 743
 744                         $content_actions['talk'] = $this->tabAction(
 745                                 $talkpage,
 746                                 'talk',
 747                                 $this->mTitle->isTalkPage() && !$prevent_active_tabs,
 748                                 '',
 749                                 $userCanRead
 750                         );
 751
 752                         wfProfileIn( __METHOD__ . '-edit' );
 753                         if ( $userCanRead && $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
 754                                 $istalk = $this->mTitle->isTalkPage();
 755                                 $istalkclass = $istalk?' istalk':'';
 756                                 $content_actions['edit'] = array(
 757                                         'class' => ( ( ( $action == 'edit' or $action == 'submit' ) and $section != 'new' ) ? 'selected' : '' ) . $istalkclass,
 758                                         'text' => ( $this->mTitle->exists() || ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !wfEmptyMsg( $this->mTitle->getText() ) ) )
 759                                                 ? wfMsg( 'edit' )
 760                                                 : wfMsg( 'create' ),
 761                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 762                                 );
 763
 764                                 // adds new section link if page is a current revision of a talk page or
 765                                 if ( ( $wgArticle && $wgArticle->isCurrent() && $istalk ) || $wgOut->showNewSectionLink() ) {
 766                                         if ( !$wgOut->forceHideNewSectionLink() ) {
 767                                                 $content_actions['addsection'] = array(
 768                                                         'class' => $section == 'new' ? 'selected' : false,
 769                                                         'text' => wfMsg( 'addsection' ),
 770                                                         'href' => $this->mTitle->getLocalUrl( 'action=edit&section=new' )
 771                                                 );
 772                                         }
 773                                 }
 774                         } elseif ( $this->mTitle->hasSourceText() && $userCanRead ) {
 775                                 $content_actions['viewsource'] = array(
 776                                         'class' => ($action == 'edit') ? 'selected' : false,
 777                                         'text' => wfMsg( 'viewsource' ),
 778                                         'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
 779                                 );
 780                         }
 781                         wfProfileOut( __METHOD__ . '-edit' );
 782
 783                         wfProfileIn( __METHOD__ . '-live' );
 784                         if ( $this->mTitle->exists() && $userCanRead ) {
 785
 786                                 $content_actions['history'] = array(
 787                                         'class' => ($action == 'history') ? 'selected' : false,
 788                                         'text' => wfMsg( 'history_short' ),
 789                                         'href' => $this->mTitle->getLocalUrl( 'action=history' ),
 790                                         'rel' => 'archives',
 791                                 );
 792
 793                                 if( $wgUser->isAllowed( 'delete' ) ) {
 794                                         $content_actions['delete'] = array(
 795                                                 'class' => ($action == 'delete') ? 'selected' : false,
 796                                                 'text' => wfMsg( 'delete' ),
 797                                                 'href' => $this->mTitle->getLocalUrl( 'action=delete' )
 798                                         );
 799                                 }
 800                                 if ( $this->mTitle->quickUserCan( 'move' ) ) {
 801                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $this->thispage );
 802                                         $content_actions['move'] = array(
 803                                                 'class' => $this->mTitle->isSpecial( 'Movepage' ) ? 'selected' : false,
 804                                                 'text' => wfMsg( 'move' ),
 805                                                 'href' => $moveTitle->getLocalUrl()
 806                                         );
 807                                 }
 808
 809                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 810                                         if( !$this->mTitle->isProtected() ){
 811                                                 $content_actions['protect'] = array(
 812                                                         'class' => ($action == 'protect') ? 'selected' : false,
 813                                                         'text' => wfMsg( 'protect' ),
 814                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 815                                                 );
 816
 817                                         } else {
 818                                                 $content_actions['unprotect'] = array(
 819                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 820                                                         'text' => wfMsg( 'unprotect' ),
 821                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 822                                                 );
 823                                         }
 824                                 }
 825                         } else {
 826                                 //article doesn't exist or is deleted
 827                                 if( $wgUser->isAllowed( 'deletedhistory' ) && $wgUser->isAllowed( 'deletedtext' ) ) {
 828                                         $n = $this->mTitle->isDeleted();
 829                                         if( $n ) {
 830                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 831                                                 $content_actions['undelete'] = array(
 832                                                         'class' => false,
 833                                                         'text' => wfMsgExt( 'undelete_short', array( 'parsemag' ), $wgLang->formatNum( $n ) ),
 834                                                         'href' => $undelTitle->getLocalUrl( 'target=' . urlencode( $this->thispage ) )
 835                                                         #'href' => self::makeSpecialUrl( "Undelete/$this->thispage" )
 836                                                 );
 837                                         }
 838                                 }
 839
 840                                 if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 841                                         if( !$this->mTitle->getRestrictions( 'create' ) ) {
 842                                                 $content_actions['protect'] = array(
 843                                                         'class' => ($action == 'protect') ? 'selected' : false,
 844                                                         'text' => wfMsg( 'protect' ),
 845                                                         'href' => $this->mTitle->getLocalUrl( 'action=protect' )
 846                                                 );
 847
 848                                         } else {
 849                                                 $content_actions['unprotect'] = array(
 850                                                         'class' => ($action == 'unprotect') ? 'selected' : false,
 851                                                         'text' => wfMsg( 'unprotect' ),
 852                                                         'href' => $this->mTitle->getLocalUrl( 'action=unprotect' )
 853                                                 );
 854                                         }
 855                                 }
 856                         }
 857
 858                         wfProfileOut( __METHOD__ . '-live' );
 859
 860                         if( $this->loggedin ) {
 861                                 if( !$this->mTitle->userIsWatching()) {
 862                                         $content_actions['watch'] = array(
 863                                                 'class' => ($action == 'watch' or $action == 'unwatch') ? 'selected' : false,
 864                                                 'text' => wfMsg( 'watch' ),
 865                                                 'href' => $this->mTitle->getLocalUrl( 'action=watch' )
 866                                         );
 867                                 } else {
 868                                         $content_actions['unwatch'] = array(
 869                                                 'class' => ($action == 'unwatch' or $action == 'watch') ? 'selected' : false,
 870                                                 'text' => wfMsg( 'unwatch' ),
 871                                                 'href' => $this->mTitle->getLocalUrl( 'action=unwatch' )
 872                                         );
 873                                 }
 874                         }
 875
 876
 877                         wfRunHooks( 'SkinTemplateTabs', array( $this, &$content_actions ) );
 878                 } else {
 879                         /* show special page tab */
 880
 881                         $content_actions[$this->mTitle->getNamespaceKey()] = array(
 882                                 'class' => 'selected',
 883                                 'text' => wfMsg('nstab-special'),
 884                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
 885                         );
 886
 887                         wfRunHooks( 'SkinTemplateBuildContentActionUrlsAfterSpecialPage', array( &$this, &$content_actions ) );
 888                 }
 889
 890                 /* show links to different language variants */
 891                 global $wgDisableLangConversion;
 892                 $variants = $wgContLang->getVariants();
 893                 if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
 894                         $preferred = $wgContLang->getPreferredVariant();
 895                         $vcount=0;
 896                         foreach( $variants as $code ) {
 897                                 $varname = $wgContLang->getVariantname( $code );
 898                                 if( $varname == 'disable' )
 899                                         continue;
 900                                 $selected = ( $code == $preferred )? 'selected' : false;
 901                                 $content_actions['varlang-' . $vcount] = array(
 902                                         'class' => $selected,
 903                                         'text' => $varname,
 904                                         'href' => $this->mTitle->getLocalURL( '', $code )
 905                                 );
 906                                 $vcount ++;
 907                         }
 908                 }
 909
 910                 wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 911
 912                 wfProfileOut( __METHOD__ );
 913                 return $content_actions;
 914         }
 915
 916         /**
 917          * build array of common navigation links
 918          * @return array
 919          * @private
 920          */
 921         function buildNavUrls() {
 922                 global $wgUseTrackbacks, $wgOut, $wgUser, $wgRequest;
 923                 global $wgUploadNavigationUrl;
 924
 925                 wfProfileIn( __METHOD__ );
 926
 927                 $action = $wgRequest->getVal( 'action', 'view' );
 928
 929                 $nav_urls = array();
 930                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
 931                 if( $wgUploadNavigationUrl ) {
 932                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
 933                 } elseif( UploadBase::isEnabled() && UploadBase::isAllowed( $wgUser ) === true ) {
 934                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
 935                 } else {
 936                         $nav_urls['upload'] = false;
 937                 }
 938                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
 939
 940                 // default permalink to being off, will override it as required below.
 941                 $nav_urls['permalink'] = false;
 942
 943                 // A print stylesheet is attached to all pages, but nobody ever
 944                 // figures that out. :)  Add a link...
 945                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
 946                         if ( !$wgOut->isPrintable() ) {
 947                                 $nav_urls['print'] = array(
 948                                         'text' => wfMsg( 'printableversion' ),
 949                                         'href' => $wgRequest->appendQuery( 'printable=yes' )
 950                                 );
 951                         }
 952
 953                         // Also add a "permalink" while we're at it
 954                         if ( $this->mRevisionId ) {
 955                                 $nav_urls['permalink'] = array(
 956                                         'text' => wfMsg( 'permalink' ),
 957                                         'href' => $wgOut->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
 958                                 );
 959                         }
 960
 961                         // Copy in case this undocumented, shady hook tries to mess with internals
 962                         $revid = $this->mRevisionId;
 963                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
 964                 }
 965
 966                 if( $this->mTitle->getNamespace() != NS_SPECIAL ) {
 967                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
 968                         $nav_urls['whatlinkshere'] = array(
 969                                 'href' => $wlhTitle->getLocalUrl()
 970                         );
 971                         if( $this->mTitle->getArticleId() ) {
 972                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
 973                                 $nav_urls['recentchangeslinked'] = array(
 974                                         'href' => $rclTitle->getLocalUrl()
 975                                 );
 976                         } else {
 977                                 $nav_urls['recentchangeslinked'] = false;
 978                         }
 979                         if( $wgUseTrackbacks )
 980                                 $nav_urls['trackbacklink'] = array(
 981                                         'href' => $wgOut->getTitle()->trackbackURL()
 982                                 );
 983                 }
 984
 985                 if( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
 986                         $rootUser = strtok( $this->mTitle->getText(), '/' );
 987                         $id = User::idFromName( $rootUser );
 988                         $ip = User::isIP( $rootUser );
 989                 } else {
 990                         $id = 0;
 991                         $ip = false;
 992                 }
 993
 994                 if( $id || $ip ) { # both anons and non-anons have contribs list
 995                         $nav_urls['contributions'] = array(
 996                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser )
 997                         );
 998
 999                         if( $id ) {
1000                                 $logPage = SpecialPage::getTitleFor( 'Log' );
1001                                 $nav_urls['log'] = array(
1002                                         'href' => $logPage->getLocalUrl(
1003                                                 array(
1004                                                         'user' => $rootUser
1005                                                 )
1006                                         )
1007                                 );
1008                         } else {
1009                                 $nav_urls['log'] = false;
1010                         }
1011
1012                         if ( $wgUser->isAllowed( 'block' ) ) {
1013                                 $nav_urls['blockip'] = array(
1014                                         'href' => self::makeSpecialUrlSubpage( 'Blockip', $rootUser )
1015                                 );
1016                         } else {
1017                                 $nav_urls['blockip'] = false;
1018                         }
1019                 } else {
1020                         $nav_urls['contributions'] = false;
1021                         $nav_urls['log'] = false;
1022                         $nav_urls['blockip'] = false;
1023                 }
1024                 $nav_urls['emailuser'] = false;
1025                 if( $this->showEmailUser( $id ) ) {
1026                         $nav_urls['emailuser'] = array(
1027                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser )
1028                         );
1029                 }
1030                 wfProfileOut( __METHOD__ );
1031                 return $nav_urls;
1032         }
1033
1034         /**
1035          * Generate strings used for xml 'id' names
1036          * @return string
1037          * @private
1038          */
1039         function getNameSpaceKey() {
1040                 return $this->mTitle->getNamespaceKey();
1041         }
1042
1043         /**
1044          * @private
1045          */
1046         function setupUserJs( $allowUserJs ) {
1047                 global $wgRequest, $wgJsMimeType;
1048                 wfProfileIn( __METHOD__ );
1049
1050                 $action = $wgRequest->getVal( 'action', 'view' );
1051
1052                 if( $allowUserJs && $this->loggedin ) {
1053                         if( $this->mTitle->isJsSubpage() and $this->userCanPreview( $action ) ) {
1054                                 # XXX: additional security check/prompt?
1055                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1056                         } else {
1057                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1058                         }
1059                 }
1060                 wfProfileOut( __METHOD__ );
1061         }
1062
1063         /**
1064          * Code for extensions to hook into to provide per-page CSS, see
1065          * extensions/PageCSS/PageCSS.php for an implementation of this.
1066          *
1067          * @private
1068          */
1069         function setupPageCss() {
1070                 wfProfileIn( __METHOD__ );
1071                 $out = false;
1072                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1073                 wfProfileOut( __METHOD__ );
1074                 return $out;
1075         }
1076
1077         public function commonPrintStylesheet() {
1078                 return false;
1079         }
1080 }
1081
1082 /**
1083  * Generic wrapper for template functions, with interface
1084  * compatible with what we use of PHPTAL 0.7.
1085  * @ingroup Skins
1086  */
1087 abstract class QuickTemplate {
1088         /**
1089          * Constructor
1090          */
1091         public function QuickTemplate() {
1092                 $this->data = array();
1093                 $this->translator = new MediaWiki_I18N();
1094         }
1095
1096         /**
1097          * Sets the value $value to $name
1098          * @param $name
1099          * @param $value
1100          */
1101         public function set( $name, $value ) {
1102                 $this->data[$name] = $value;
1103         }
1104
1105         /**
1106          * @param $name
1107          * @param $value
1108          */
1109         public function setRef( $name, &$value ) {
1110                 $this->data[$name] =& $value;
1111         }
1112
1113         /**
1114          * @param $t
1115          */
1116         public function setTranslator( &$t ) {
1117                 $this->translator = &$t;
1118         }
1119
1120         /**
1121          * Main function, used by classes that subclass QuickTemplate
1122          * to show the actual HTML output
1123          */
1124         abstract public function execute();
1125
1126         /**
1127          * @private
1128          */
1129         function text( $str ) {
1130                 echo htmlspecialchars( $this->data[$str] );
1131         }
1132
1133         /**
1134          * @private
1135          */
1136         function jstext( $str ) {
1137                 echo Xml::escapeJsString( $this->data[$str] );
1138         }
1139
1140         /**
1141          * @private
1142          */
1143         function html( $str ) {
1144                 echo $this->data[$str];
1145         }
1146
1147         /**
1148          * @private
1149          */
1150         function msg( $str ) {
1151                 echo htmlspecialchars( $this->translator->translate( $str ) );
1152         }
1153
1154         /**
1155          * @private
1156          */
1157         function msgHtml( $str ) {
1158                 echo $this->translator->translate( $str );
1159         }
1160
1161         /**
1162          * An ugly, ugly hack.
1163          * @private
1164          */
1165         function msgWiki( $str ) {
1166                 global $wgParser, $wgOut;
1167
1168                 $text = $this->translator->translate( $str );
1169                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1170                         $wgOut->parserOptions(), true );
1171                 echo $parserOutput->getText();
1172         }
1173
1174         /**
1175          * @private
1176          */
1177         function haveData( $str ) {
1178                 return isset( $this->data[$str] );
1179         }
1180
1181         /**
1182          * @private
1183          */
1184         function haveMsg( $str ) {
1185                 $msg = $this->translator->translate( $str );
1186                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1187         }
1188 }