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 /**
  28  * Wrapper object for MediaWiki's localization functions,
  29  * to be passed to the template engine.
  30  *
  31  * @private
  32  * @ingroup Skins
  33  */
  34 class MediaWiki_I18N {
  35         var $_context = array();
  36
  37         function set( $varName, $value ) {
  38                 $this->_context[$varName] = $value;
  39         }
  40
  41         function translate( $value ) {
  42                 wfProfileIn( __METHOD__ );
  43
  44                 // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
  45                 $value = preg_replace( '/^string:/', '', $value );
  46
  47                 $value = wfMsg( $value );
  48                 // interpolate variables
  49                 $m = array();
  50                 while( preg_match( '/\$([0-9]*?)/sm', $value, $m ) ) {
  51                         list( $src, $var ) = $m;
  52                         wfSuppressWarnings();
  53                         $varValue = $this->_context[$var];
  54                         wfRestoreWarnings();
  55                         $value = str_replace( $src, $varValue, $value );
  56                 }
  57                 wfProfileOut( __METHOD__ );
  58                 return $value;
  59         }
  60 }
  61
  62 /**
  63  * Template-filler skin base class
  64  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  65  * Based on Brion's smarty skin
  66  * @copyright Copyright © Gabriel Wicke -- http://www.aulinx.de/
  67  *
  68  * @todo Needs some serious refactoring into functions that correspond
  69  * to the computations individual esi snippets need. Most importantly no body
  70  * parsing for most of those of course.
  71  *
  72  * @ingroup Skins
  73  */
  74 class SkinTemplate extends Skin {
  75         /**#@+
  76          * @private
  77          */
  78
  79         /**
  80          * Name of our skin, it probably needs to be all lower case.  Child classes
  81          * should override the default.
  82          */
  83         var $skinname = 'monobook';
  84
  85         /**
  86          * Stylesheets set to use.  Subdirectory in skins/ where various stylesheets
  87          * are located.  Child classes should override the default.
  88          */
  89         var $stylename = 'monobook';
  90
  91         /**
  92          * For QuickTemplate, the name of the subclass which will actually fill the
  93          * template.  Child classes should override the default.
  94          */
  95         var $template = 'QuickTemplate';
  96
  97         /**
  98          * Whether this skin use OutputPage::headElement() to generate the <head>
  99          * tag
 100          */
 101         var $useHeadElement = false;
 102
 103         /**#@-*/
 104
 105         /**
 106          * Add specific styles for this skin
 107          *
 108          * @param $out OutputPage
 109          */
 110         function setupSkinUserCss( OutputPage $out ){
 111                 $out->addModuleStyles( array( 'mediawiki.legacy.shared', 'mediawiki.legacy.commonPrint' ) );
 112         }
 113
 114         /**
 115          * Create the template engine object; we feed it a bunch of data
 116          * and eventually it spits out some HTML. Should have interface
 117          * roughly equivalent to PHPTAL 0.7.
 118          *
 119          * @param $classname String
 120          * @param $repository string: subdirectory where we keep template files
 121          * @param $cache_dir string
 122          * @return QuickTemplate
 123          * @private
 124          */
 125         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
 126                 return new $classname();
 127         }
 128
 129         /**
 130          * initialize various variables and generate the template
 131          *
 132          * @param $out OutputPage
 133          */
 134         function outputPage( OutputPage $out ) {
 135                 global $wgUser, $wgLang, $wgContLang;
 136                 global $wgScript, $wgStylePath, $wgLanguageCode;
 137                 global $wgMimeType, $wgJsMimeType, $wgOutputEncoding, $wgRequest;
 138                 global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
 139                 global $wgDisableCounters, $wgLogo, $wgHideInterlanguageLinks;
 140                 global $wgMaxCredits, $wgShowCreditsIfMax;
 141                 global $wgPageShowWatchingUsers;
 142                 global $wgUseTrackbacks, $wgUseSiteJs, $wgDebugComments;
 143                 global $wgArticlePath, $wgScriptPath, $wgServer;
 144
 145                 wfProfileIn( __METHOD__ );
 146                 Profiler::instance()->setTemplated( true );
 147
 148                 $oldid = $wgRequest->getVal( 'oldid' );
 149                 $diff = $wgRequest->getVal( 'diff' );
 150                 $action = $wgRequest->getVal( 'action', 'view' );
 151
 152                 wfProfileIn( __METHOD__ . '-init' );
 153                 $this->initPage( $out );
 154
 155                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 156                 wfProfileOut( __METHOD__ . '-init' );
 157
 158                 wfProfileIn( __METHOD__ . '-stuff' );
 159                 $this->thispage = $this->getTitle()->getPrefixedDBkey();
 160                 $this->thisurl = $this->getTitle()->getPrefixedURL();
 161                 $query = array();
 162                 if ( !$wgRequest->wasPosted() ) {
 163                         $query = $wgRequest->getValues();
 164                         unset( $query['title'] );
 165                         unset( $query['returnto'] );
 166                         unset( $query['returntoquery'] );
 167                 }
 168                 $this->thisquery = wfUrlencode( wfArrayToCGI( $query ) );
 169                 $this->loggedin = $wgUser->isLoggedIn();
 170                 $this->iscontent = ( $this->getTitle()->getNamespace() != NS_SPECIAL );
 171                 $this->iseditable = ( $this->iscontent and !( $action == 'edit' or $action == 'submit' ) );
 172                 $this->username = $wgUser->getName();
 173
 174                 if ( $wgUser->isLoggedIn() || $this->showIPinHeader() ) {
 175                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 176                 } else {
 177                         # This won't be used in the standard skins, but we define it to preserve the interface
 178                         # To save time, we check for existence
 179                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 180                 }
 181
 182                 $this->titletxt = $this->getTitle()->getPrefixedText();
 183                 wfProfileOut( __METHOD__ . '-stuff' );
 184
 185                 wfProfileIn( __METHOD__ . '-stuff-head' );
 186                 if ( $this->useHeadElement ) {
 187                         $pagecss = $this->setupPageCss();
 188                         if( $pagecss )
 189                                 $out->addInlineStyle( $pagecss );
 190                 } else {
 191                         $this->setupUserCss( $out );
 192
 193                         $tpl->set( 'pagecss', $this->setupPageCss() );
 194                         $tpl->setRef( 'usercss', $this->usercss );
 195
 196                         $this->userjs = $this->userjsprev = false;
 197                         # FIXME: this is the only use of OutputPage::isUserJsAllowed() anywhere; can we
 198                         # get rid of it?  For that matter, why is any of this here at all?
 199                         $this->setupUserJs( $out->isUserJsAllowed() );
 200                         $tpl->setRef( 'userjs', $this->userjs );
 201                         $tpl->setRef( 'userjsprev', $this->userjsprev );
 202
 203                         if( $wgUseSiteJs ) {
 204                                 $jsCache = $this->loggedin ? '&smaxage=0' : '';
 205                                 $tpl->set( 'jsvarurl',
 206                                                   self::makeUrl( '-',
 207                                                                                 "action=raw$jsCache&gen=js&useskin=" .
 208                                                                                 urlencode( $this->getSkinName() ) ) );
 209                         } else {
 210                                 $tpl->set( 'jsvarurl', false );
 211                         }
 212
 213                         $tpl->setRef( 'xhtmldefaultnamespace', $wgXhtmlDefaultNamespace );
 214                         $tpl->set( 'xhtmlnamespaces', $wgXhtmlNamespaces );
 215                         $tpl->set( 'html5version', $wgHtml5Version );
 216                         $tpl->set( 'headlinks', $out->getHeadLinks( $this ) );
 217                         $tpl->set( 'csslinks', $out->buildCssLinks( $this ) );
 218
 219                         if( $wgUseTrackbacks && $out->isArticleRelated() ) {
 220                                 $tpl->set( 'trackbackhtml', $out->getTitle()->trackbackRDF() );
 221                         } else {
 222                                 $tpl->set( 'trackbackhtml', null );
 223                         }
 224                 }
 225                 wfProfileOut( __METHOD__ . '-stuff-head' );
 226
 227                 wfProfileIn( __METHOD__ . '-stuff2' );
 228                 $tpl->set( 'title', $out->getPageTitle() );
 229                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 230                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 231                 $tpl->set( 'pageclass', $this->getPageClasses( $this->getTitle() ) );
 232                 $tpl->set( 'skinnameclass', ( 'skin-' . Sanitizer::escapeClass( $this->getSkinName() ) ) );
 233
 234                 $nsname = MWNamespace::exists( $this->getTitle()->getNamespace() ) ?
 235                                         MWNamespace::getCanonicalName( $this->getTitle()->getNamespace() ) :
 236                                         $this->getTitle()->getNsText();
 237
 238                 $tpl->set( 'nscanonical', $nsname );
 239                 $tpl->set( 'nsnumber', $this->getTitle()->getNamespace() );
 240                 $tpl->set( 'titleprefixeddbkey', $this->getTitle()->getPrefixedDBKey() );
 241                 $tpl->set( 'titletext', $this->getTitle()->getText() );
 242                 $tpl->set( 'articleid', $this->getTitle()->getArticleId() );
 243                 $tpl->set( 'currevisionid', $this->getTitle()->getLatestRevID() );
 244
 245                 $tpl->set( 'isarticle', $out->isArticle() );
 246
 247                 $tpl->setRef( 'thispage', $this->thispage );
 248                 $subpagestr = $this->subPageSubtitle( $out );
 249                 $tpl->set(
 250                         'subtitle', !empty( $subpagestr ) ?
 251                         '<span class="subpages">' . $subpagestr . '</span>' . $out->getSubtitle() :
 252                         $out->getSubtitle()
 253                 );
 254                 $undelete = $this->getUndeleteLink();
 255                 $tpl->set(
 256                         'undelete', !empty( $undelete ) ?
 257                         '<span class="subpages">' . $undelete . '</span>' :
 258                         ''
 259                 );
 260
 261                 $tpl->set( 'catlinks', $this->getCategories( $out ) );
 262                 if( $out->isSyndicated() ) {
 263                         $feeds = array();
 264                         foreach( $out->getSyndicationLinks() as $format => $link ) {
 265                                 $feeds[$format] = array(
 266                                         'text' => wfMsg( "feed-$format" ),
 267                                         'href' => $link
 268                                 );
 269                         }
 270                         $tpl->setRef( 'feeds', $feeds );
 271                 } else {
 272                         $tpl->set( 'feeds', false );
 273                 }
 274
 275                 $tpl->setRef( 'mimetype', $wgMimeType );
 276                 $tpl->setRef( 'jsmimetype', $wgJsMimeType );
 277                 $tpl->setRef( 'charset', $wgOutputEncoding );
 278                 $tpl->setRef( 'wgScript', $wgScript );
 279                 $tpl->setRef( 'skinname', $this->skinname );
 280                 $tpl->set( 'skinclass', get_class( $this ) );
 281                 $tpl->setRef( 'stylename', $this->stylename );
 282                 $tpl->set( 'printable', $out->isPrintable() );
 283                 $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
 284                 $tpl->setRef( 'loggedin', $this->loggedin );
 285                 $tpl->set( 'notspecialpage', $this->getTitle()->getNamespace() != NS_SPECIAL );
 286                 /* XXX currently unused, might get useful later
 287                 $tpl->set( 'editable', ( $this->getTitle()->getNamespace() != NS_SPECIAL ) );
 288                 $tpl->set( 'exists', $this->getTitle()->getArticleID() != 0 );
 289                 $tpl->set( 'watch', $this->getTitle()->userIsWatching() ? 'unwatch' : 'watch' );
 290                 $tpl->set( 'protect', count( $this->getTitle()->isProtected() ) ? 'unprotect' : 'protect' );
 291                 $tpl->set( 'helppage', wfMsg( 'helppage' ) );
 292                 */
 293                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 294                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBKey() );
 295                 $tpl->set( 'search', trim( $wgRequest->getVal( 'search' ) ) );
 296                 $tpl->setRef( 'stylepath', $wgStylePath );
 297                 $tpl->setRef( 'articlepath', $wgArticlePath );
 298                 $tpl->setRef( 'scriptpath', $wgScriptPath );
 299                 $tpl->setRef( 'serverurl', $wgServer );
 300                 $tpl->setRef( 'logopath', $wgLogo );
 301
 302                 $lang = wfUILang();
 303                 $tpl->set( 'lang', $lang->getCode() );
 304                 $tpl->set( 'dir', $lang->getDir() );
 305                 $tpl->set( 'rtl', $lang->isRTL() );
 306
 307                 $tpl->set( 'capitalizeallnouns', $wgLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 308                 $tpl->set( 'showjumplinks', $wgUser->getOption( 'showjumplinks' ) );
 309                 $tpl->set( 'username', $wgUser->isAnon() ? null : $this->username );
 310                 $tpl->setRef( 'userpage', $this->userpage );
 311                 $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
 312                 $tpl->set( 'userlang', $wgLang->getCode() );
 313
 314                 // Users can have their language set differently than the
 315                 // content of the wiki. For these users, tell the web browser
 316                 // that interface elements are in a different language.
 317                 $tpl->set( 'userlangattributes', '' );
 318                 $tpl->set( 'specialpageattributes', '' );
 319
 320                 $lang = $wgLang->getCode();
 321                 $dir  = $wgLang->getDir();
 322                 if ( $lang !== $wgContLang->getCode() || $dir !== $wgContLang->getDir() ) {
 323                         $attrs = " lang='$lang' dir='$dir'";
 324
 325                         $tpl->set( 'userlangattributes', $attrs );
 326
 327                         // The content of SpecialPages should be presented in the
 328                         // user's language. Content of regular pages should not be touched.
 329                         if( $this->getTitle()->isSpecialPage() ) {
 330                                 $tpl->set( 'specialpageattributes', $attrs );
 331                         }
 332                 }
 333
 334                 $newtalks = $this->getNewtalks( $out );
 335
 336                 wfProfileOut( __METHOD__ . '-stuff2' );
 337
 338                 wfProfileIn( __METHOD__ . '-stuff3' );
 339                 $tpl->setRef( 'newtalk', $newtalks );
 340                 $tpl->setRef( 'skin', $this );
 341                 $tpl->set( 'logo', $this->logoText() );
 342                 if ( $out->isArticle() && ( !isset( $oldid ) || isset( $diff ) ) &&
 343                         $this->getTitle()->exists() )
 344                 {
 345                         $article = new Article( $this->getTitle(), 0 );
 346                         if ( !$wgDisableCounters ) {
 347                                 $viewcount = $wgLang->formatNum( $article->getCount() );
 348                                 if ( $viewcount ) {
 349                                         $tpl->set( 'viewcount', wfMsgExt( 'viewcount', array( 'parseinline' ), $viewcount ) );
 350                                 } else {
 351                                         $tpl->set( 'viewcount', false );
 352                                 }
 353                         } else {
 354                                 $tpl->set( 'viewcount', false );
 355                         }
 356
 357                         if( $wgPageShowWatchingUsers ) {
 358                                 $dbr = wfGetDB( DB_SLAVE );
 359                                 $res = $dbr->select( 'watchlist',
 360                                         array( 'COUNT(*) AS n' ),
 361                                         array( 'wl_title' => $dbr->strencode( $this->getTitle()->getDBkey() ), 'wl_namespace' => $this->getTitle()->getNamespace() ),
 362                                         __METHOD__
 363                                 );
 364                                 $x = $dbr->fetchObject( $res );
 365                                 $numberofwatchingusers = $x->n;
 366                                 if( $numberofwatchingusers > 0 ) {
 367                                         $tpl->set( 'numberofwatchingusers',
 368                                                 wfMsgExt( 'number_of_watching_users_pageview', array( 'parseinline' ),
 369                                                 $wgLang->formatNum( $numberofwatchingusers ) )
 370                                         );
 371                                 } else {
 372                                         $tpl->set( 'numberofwatchingusers', false );
 373                                 }
 374                         } else {
 375                                 $tpl->set( 'numberofwatchingusers', false );
 376                         }
 377
 378                         $tpl->set( 'copyright', $this->getCopyright() );
 379
 380                         $this->credits = false;
 381
 382                         if( $wgMaxCredits != 0 ){
 383                                 $this->credits = Action::factory( 'credits', $article )->getCredits( $wgMaxCredits, $wgShowCreditsIfMax );
 384                         } else {
 385                                 $tpl->set( 'lastmod', $this->lastModified( $article ) );
 386                         }
 387
 388                         $tpl->setRef( 'credits', $this->credits );
 389
 390                 } elseif ( isset( $oldid ) && !isset( $diff ) ) {
 391                         $tpl->set( 'copyright', $this->getCopyright() );
 392                         $tpl->set( 'viewcount', false );
 393                         $tpl->set( 'lastmod', false );
 394                         $tpl->set( 'credits', false );
 395                         $tpl->set( 'numberofwatchingusers', false );
 396                 } else {
 397                         $tpl->set( 'copyright', false );
 398                         $tpl->set( 'viewcount', false );
 399                         $tpl->set( 'lastmod', false );
 400                         $tpl->set( 'credits', false );
 401                         $tpl->set( 'numberofwatchingusers', false );
 402                 }
 403                 wfProfileOut( __METHOD__ . '-stuff3' );
 404
 405                 wfProfileIn( __METHOD__ . '-stuff4' );
 406                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 407                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 408                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 409                 $tpl->set( 'privacy', $this->privacyLink() );
 410                 $tpl->set( 'about', $this->aboutLink() );
 411
 412                 $tpl->set( 'footerlinks', array(
 413                         'info' => array(
 414                                 'lastmod',
 415                                 'viewcount',
 416                                 'numberofwatchingusers',
 417                                 'credits',
 418                                 'copyright',
 419                         ),
 420                         'places' => array(
 421                                 'privacy',
 422                                 'about',
 423                                 'disclaimer',
 424                         ),
 425                 ) );
 426
 427                 global $wgFooterIcons;
 428                 $tpl->set( 'footericons', $wgFooterIcons );
 429                 foreach ( $tpl->data['footericons'] as $footerIconsKey => &$footerIconsBlock ) {
 430                         if ( count( $footerIconsBlock ) > 0 ) {
 431                                 foreach ( $footerIconsBlock as &$footerIcon ) {
 432                                         if ( isset( $footerIcon['src'] ) ) {
 433                                                 if ( !isset( $footerIcon['width'] ) ) {
 434                                                         $footerIcon['width'] = 88;
 435                                                 }
 436                                                 if ( !isset( $footerIcon['height'] ) ) {
 437                                                         $footerIcon['height'] = 31;
 438                                                 }
 439                                         }
 440                                 }
 441                         } else {
 442                                 unset( $tpl->data['footericons'][$footerIconsKey] );
 443                         }
 444                 }
 445
 446                 if ( $wgDebugComments ) {
 447                         $tpl->setRef( 'debug', $out->mDebugtext );
 448                 } else {
 449                         $tpl->set( 'debug', '' );
 450                 }
 451
 452                 $tpl->set( 'reporttime', wfReportTime() );
 453                 $tpl->set( 'sitenotice', $this->getSiteNotice() );
 454                 $tpl->set( 'bottomscripts', $this->bottomScripts( $out ) );
 455
 456                 // @todo Give printfooter userlangattributes
 457                 $printfooter = "<div class=\"printfooter\">\n" . $this->printSource() . "</div>\n";
 458                 global $wgBetterDirectionality;
 459                 if ( $wgBetterDirectionality ) {
 460                         $realBodyAttribs = array( 'lang' => $wgLanguageCode, 'dir' => $wgContLang->getDir() );
 461                         $out->mBodytext = Html::rawElement( 'div', $realBodyAttribs, $out->mBodytext );
 462                 }
 463                 $out->mBodytext .= $printfooter . $this->generateDebugHTML( $out );
 464                 $tpl->setRef( 'bodytext', $out->mBodytext );
 465
 466                 # Language links
 467                 $language_urls = array();
 468
 469                 if ( !$wgHideInterlanguageLinks ) {
 470                         foreach( $out->getLanguageLinks() as $l ) {
 471                                 $tmp = explode( ':', $l, 2 );
 472                                 $class = 'interwiki-' . $tmp[0];
 473                                 unset( $tmp );
 474                                 $nt = Title::newFromText( $l );
 475                                 if ( $nt ) {
 476                                         $language_urls[] = array(
 477                                                 'href' => $nt->getFullURL(),
 478                                                 'text' => ( $wgContLang->getLanguageName( $nt->getInterwiki() ) != '' ?
 479                                                                         $wgContLang->getLanguageName( $nt->getInterwiki() ) : $l ),
 480                                                 'title' => $nt->getText(),
 481                                                 'class' => $class
 482                                         );
 483                                 }
 484                         }
 485                 }
 486                 if( count( $language_urls ) ) {
 487                         $tpl->setRef( 'language_urls', $language_urls );
 488                 } else {
 489                         $tpl->set( 'language_urls', false );
 490                 }
 491                 wfProfileOut( __METHOD__ . '-stuff4' );
 492
 493                 wfProfileIn( __METHOD__ . '-stuff5' );
 494                 # Personal toolbar
 495                 $tpl->set( 'personal_urls', $this->buildPersonalUrls( $out ) );
 496                 $content_navigation = $this->buildContentNavigationUrls( $out );
 497                 $content_actions = $this->buildContentActionUrls( $content_navigation );
 498                 $tpl->setRef( 'content_navigation', $content_navigation );
 499                 $tpl->setRef( 'content_actions', $content_actions );
 500
 501                 $tpl->set( 'sidebar', $this->buildSidebar() );
 502                 $tpl->set( 'nav_urls', $this->buildNavUrls( $out ) );
 503
 504                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 505                 if ( $this->useHeadElement ) {
 506                         $tpl->set( 'headelement', $out->headElement( $this ) );
 507                 } else {
 508                         $tpl->set( 'headscripts', $out->getScript() );
 509                 }
 510
 511                 // original version by hansm
 512                 if( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
 513                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 514                 }
 515
 516                 // allow extensions adding stuff after the page content.
 517                 // See Skin::afterContentHook() for further documentation.
 518                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 519                 wfProfileOut( __METHOD__ . '-stuff5' );
 520
 521                 // execute template
 522                 wfProfileIn( __METHOD__ . '-execute' );
 523                 $res = $tpl->execute();
 524                 wfProfileOut( __METHOD__ . '-execute' );
 525
 526                 // result may be an error
 527                 $this->printOrError( $res );
 528                 wfProfileOut( __METHOD__ );
 529         }
 530
 531         /**
 532          * Output the string, or print error message if it's
 533          * an error object of the appropriate type.
 534          * For the base class, assume strings all around.
 535          *
 536          * @param $str Mixed
 537          * @private
 538          */
 539         function printOrError( $str ) {
 540                 echo $str;
 541         }
 542
 543         /**
 544          * Output a boolean indiciating if buildPersonalUrls should output separate
 545          * login and create account links or output a combined link
 546          * By default we simply return a global config setting that affects most skins
 547          * This is setup as a method so that like with $wgLogo and getLogo() a skin
 548          * can override this setting and always output one or the other if it has
 549          * a reason it can't output one of the two modes.
 550          */
 551         function useCombinedLoginLink() {
 552                 global $wgUseCombinedLoginLink;
 553                 return $wgUseCombinedLoginLink;
 554         }
 555
 556         /**
 557          * build array of urls for personal toolbar
 558          * @return array
 559          */
 560         protected function buildPersonalUrls( OutputPage $out ) {
 561                 global $wgRequest;
 562
 563                 $title = $out->getTitle();
 564                 $pageurl = $title->getLocalURL();
 565                 wfProfileIn( __METHOD__ );
 566
 567                 /* set up the default links for the personal toolbar */
 568                 $personal_urls = array();
 569                 $page = $wgRequest->getVal( 'returnto', $this->thisurl );
 570                 $query = $wgRequest->getVal( 'returntoquery', $this->thisquery );
 571                 $returnto = wfArrayToCGI( array( 'returnto' => $page ) );
 572                 if( $this->thisquery != '' ) {
 573                         $returnto .= "&returntoquery=$query";
 574                 }
 575                 if( $this->loggedin ) {
 576                         $personal_urls['userpage'] = array(
 577                                 'text' => $this->username,
 578                                 'href' => &$this->userpageUrlDetails['href'],
 579                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 580                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl )
 581                         );
 582                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 583                         $personal_urls['mytalk'] = array(
 584                                 'text' => wfMsg( 'mytalk' ),
 585                                 'href' => &$usertalkUrlDetails['href'],
 586                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 587                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 588                         );
 589                         $href = self::makeSpecialUrl( 'Preferences' );
 590                         $personal_urls['preferences'] = array(
 591                                 'text' => wfMsg( 'mypreferences' ),
 592                                 'href' => $href,
 593                                 'active' => ( $href == $pageurl )
 594                         );
 595                         $href = self::makeSpecialUrl( 'Watchlist' );
 596                         $personal_urls['watchlist'] = array(
 597                                 'text' => wfMsg( 'mywatchlist' ),
 598                                 'href' => $href,
 599                                 'active' => ( $href == $pageurl )
 600                         );
 601
 602                         # We need to do an explicit check for Special:Contributions, as we
 603                         # have to match both the title, and the target (which could come
 604                         # from request values or be specified in "sub page" form. The plot
 605                         # thickens, because $wgTitle is altered for special pages, so doesn't
 606                         # contain the original alias-with-subpage.
 607                         $origTitle = Title::newFromText( $wgRequest->getText( 'title' ) );
 608                         if( $origTitle instanceof Title && $origTitle->getNamespace() == NS_SPECIAL ) {
 609                                 list( $spName, $spPar ) = SpecialPageFactory::resolveAlias( $origTitle->getText() );
 610                                 $active = $spName == 'Contributions'
 611                                         && ( ( $spPar && $spPar == $this->username )
 612                                                 || $wgRequest->getText( 'target' ) == $this->username );
 613                         } else {
 614                                 $active = false;
 615                         }
 616
 617                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 618                         $personal_urls['mycontris'] = array(
 619                                 'text' => wfMsg( 'mycontris' ),
 620                                 'href' => $href,
 621                                 'active' => $active
 622                         );
 623                         $personal_urls['logout'] = array(
 624                                 'text' => wfMsg( 'userlogout' ),
 625                                 'href' => self::makeSpecialUrl( 'Userlogout',
 626                                         // userlogout link must always contain an & character, otherwise we might not be able
 627                                         // to detect a buggy precaching proxy (bug 17790)
 628                                         $title->isSpecial( 'Preferences' ) ? 'noreturnto' : $returnto
 629                                 ),
 630                                 'active' => false
 631                         );
 632                 } else {
 633                         global $wgUser;
 634                         $useCombinedLoginLink = $this->useCombinedLoginLink();
 635                         $loginlink = $wgUser->isAllowed( 'createaccount' ) && $useCombinedLoginLink
 636                                 ? 'nav-login-createaccount'
 637                                 : 'login';
 638                         $is_signup = $wgRequest->getText('type') == "signup";
 639
 640                         # anonlogin & login are the same
 641                         $login_url = array(
 642                                 'text' => wfMsg( $loginlink ),
 643                                 'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 644                                 'active' => $title->isSpecial( 'Userlogin' ) && ( $loginlink == "nav-login-createaccount" || !$is_signup )
 645                         );
 646                         if ( $wgUser->isAllowed( 'createaccount' ) && !$useCombinedLoginLink ) {
 647                                 $createaccount_url = array(
 648                                         'text' => wfMsg( 'createaccount' ),
 649                                         'href' => self::makeSpecialUrl( 'Userlogin', "$returnto&type=signup" ),
 650                                         'active' => $title->isSpecial( 'Userlogin' ) && $is_signup
 651                                 );
 652                         }
 653                         global $wgProto, $wgSecureLogin;
 654                         if( $wgProto === 'http' && $wgSecureLogin ) {
 655                                 $title = SpecialPage::getTitleFor( 'Userlogin' );
 656                                 $https_url = preg_replace( '/^http:/', 'https:', $title->getFullURL() );
 657                                 $login_url['href']  = $https_url;
 658                                 $login_url['class'] = 'link-https';  # FIXME class depends on skin
 659                                 if ( isset($createaccount_url) ) {
 660                                         $https_url = preg_replace( '/^http:/', 'https:', $title->getFullURL("type=signup") );
 661                                         $createaccount_url['href']  = $https_url;
 662                                         $createaccount_url['class'] = 'link-https';  # FIXME class depends on skin
 663                                 }
 664                         }
 665
 666
 667                         if( $this->showIPinHeader() ) {
 668                                 $href = &$this->userpageUrlDetails['href'];
 669                                 $personal_urls['anonuserpage'] = array(
 670                                         'text' => $this->username,
 671                                         'href' => $href,
 672                                         'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 673                                         'active' => ( $pageurl == $href )
 674                                 );
 675                                 $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 676                                 $href = &$usertalkUrlDetails['href'];
 677                                 $personal_urls['anontalk'] = array(
 678                                         'text' => wfMsg( 'anontalk' ),
 679                                         'href' => $href,
 680                                         'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 681                                         'active' => ( $pageurl == $href )
 682                                 );
 683                                 $personal_urls['anonlogin'] = $login_url;
 684                         } else {
 685                                 $personal_urls['login'] = $login_url;
 686                         }
 687                         if ( isset($createaccount_url) ) {
 688                                 $personal_urls['createaccount'] = $createaccount_url;
 689                         }
 690                 }
 691
 692                 wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title ) );
 693                 wfProfileOut( __METHOD__ );
 694                 return $personal_urls;
 695         }
 696
 697         /**
 698          * TODO document
 699          * @param  $title Title
 700          * @param  $message String message key
 701          * @param  $selected Bool
 702          * @param  $query String
 703          * @param  $checkEdit Bool
 704          * @return array
 705          */
 706         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 707                 $classes = array();
 708                 if( $selected ) {
 709                         $classes[] = 'selected';
 710                 }
 711                 if( $checkEdit && !$title->isKnown() ) {
 712                         $classes[] = 'new';
 713                         $query = 'action=edit&redlink=1';
 714                 }
 715
 716                 // wfMessageFallback will nicely accept $message as an array of fallbacks
 717                 // or just a single key
 718                 $msg = wfMessageFallback( $message );
 719                 if ( is_array($message) ) {
 720                         // for hook compatibility just keep the last message name
 721                         $message = end($message);
 722                 }
 723                 if ( $msg->exists() ) {
 724                         $text = $msg->text();
 725                 } else {
 726                         global $wgContLang;
 727                         $text = $wgContLang->getFormattedNsText( MWNamespace::getSubject( $title->getNamespace() ) );
 728                 }
 729
 730                 $result = array();
 731                 if( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
 732                                 $title, $message, $selected, $checkEdit,
 733                                 &$classes, &$query, &$text, &$result ) ) ) {
 734                         return $result;
 735                 }
 736
 737                 return array(
 738                         'class' => implode( ' ', $classes ),
 739                         'text' => $text,
 740                         'href' => $title->getLocalUrl( $query ),
 741                         'primary' => true );
 742         }
 743
 744         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 745                 $title = Title::newFromText( $name );
 746                 if( !is_object( $title ) ) {
 747                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 748                 }
 749                 $title = $title->getTalkPage();
 750                 self::checkTitle( $title, $name );
 751                 return array(
 752                         'href' => $title->getLocalURL( $urlaction ),
 753                         'exists' => $title->getArticleID() != 0,
 754                 );
 755         }
 756
 757         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 758                 $title = Title::newFromText( $name );
 759                 $title= $title->getSubjectPage();
 760                 self::checkTitle( $title, $name );
 761                 return array(
 762                         'href' => $title->getLocalURL( $urlaction ),
 763                         'exists' => $title->getArticleID() != 0,
 764                 );
 765         }
 766
 767         /**
 768          * a structured array of links usually used for the tabs in a skin
 769          *
 770          * There are 4 standard sections
 771          * namespaces: Used for namespace tabs like special, page, and talk namespaces
 772          * views: Used for primary page views like read, edit, history
 773          * actions: Used for most extra page actions like deletion, protection, etc...
 774          * variants: Used to list the language variants for the page
 775          *
 776          * Each section's value is a key/value array of links for that section.
 777          * The links themseves have these common keys:
 778          * - class: The css classes to apply to the tab
 779          * - text: The text to display on the tab
 780          * - href: The href for the tab to point to
 781          * - rel: An optional rel= for the tab's link
 782          * - redundant: If true the tab will be dropped in skins using content_actions
 783          *   this is useful for tabs like "Read" which only have meaning in skins that
 784          *   take special meaning from the grouped structure of content_navigation
 785          *
 786          * Views also have an extra key which can be used:
 787          * - primary: If this is not true skins like vector may try to hide the tab
 788          *            when the user has limited space in their browser window
 789          *
 790          * content_navigation using code also expects these ids to be present on the
 791          * links, however these are usually automatically generated by SkinTemplate
 792          * itself and are not necessary when using a hook. The only things these may
 793          * matter to are people modifying content_navigation after it's initial creation:
 794          * - id: A "preferred" id, most skins are best off outputting this preferred id for best compatibility
 795          * - tooltiponly: This is set to true for some tabs in cases where the system
 796          *                believes that the accesskey should not be added to the tab.
 797          *
 798          * @return array
 799          */
 800         protected function buildContentNavigationUrls( OutputPage $out ) {
 801                 global $wgContLang, $wgLang, $wgUser, $wgRequest;
 802                 global $wgDisableLangConversion;
 803
 804                 wfProfileIn( __METHOD__ );
 805
 806                 $title = $this->getRelevantTitle(); // Display tabs for the relevant title rather than always the title itself
 807                 $onPage = $title->equals($this->getTitle());
 808
 809                 $content_navigation = array(
 810                         'namespaces' => array(),
 811                         'views' => array(),
 812                         'actions' => array(),
 813                         'variants' => array()
 814                 );
 815
 816                 // parameters
 817                 $action = $wgRequest->getVal( 'action', 'view' );
 818                 $section = $wgRequest->getVal( 'section' );
 819
 820                 $userCanRead = $title->userCanRead();
 821                 $skname = $this->skinname;
 822
 823                 $preventActiveTabs = false;
 824                 wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$preventActiveTabs ) );
 825
 826                 // Checks if page is some kind of content
 827                 if( $title->getNamespace() != NS_SPECIAL ) {
 828                         // Gets page objects for the related namespaces
 829                         $subjectPage = $title->getSubjectPage();
 830                         $talkPage = $title->getTalkPage();
 831
 832                         // Determines if this is a talk page
 833                         $isTalk = $title->isTalkPage();
 834
 835                         // Generates XML IDs from namespace names
 836                         $subjectId = $title->getNamespaceKey( '' );
 837
 838                         if ( $subjectId == 'main' ) {
 839                                 $talkId = 'talk';
 840                         } else {
 841                                 $talkId = "{$subjectId}_talk";
 842                         }
 843
 844                         // Adds namespace links
 845                         $subjectMsg = array( "nstab-$subjectId" );
 846                         if ( $subjectPage->isMainPage() ) {
 847                                 array_unshift($subjectMsg, 'mainpage-nstab');
 848                         }
 849                         $content_navigation['namespaces'][$subjectId] = $this->tabAction(
 850                                 $subjectPage, $subjectMsg, !$isTalk && !$preventActiveTabs, '', $userCanRead
 851                         );
 852                         $content_navigation['namespaces'][$subjectId]['context'] = 'subject';
 853                         $content_navigation['namespaces'][$talkId] = $this->tabAction(
 854                                 $talkPage, array( "nstab-$talkId", 'talk' ), $isTalk && !$preventActiveTabs, '', $userCanRead
 855                         );
 856                         $content_navigation['namespaces'][$talkId]['context'] = 'talk';
 857
 858                         // Adds view view link
 859                         if ( $title->exists() && $userCanRead ) {
 860                                 $content_navigation['views']['view'] = $this->tabAction(
 861                                         $isTalk ? $talkPage : $subjectPage,
 862                                         array( "$skname-view-view", 'view' ),
 863                                         ( $onPage && ($action == 'view' || $action == 'purge' ) ), '', true
 864                                 );
 865                                 $content_navigation['views']['view']['redundant'] = true; // signal to hide this from simple content_actions
 866                         }
 867
 868                         wfProfileIn( __METHOD__ . '-edit' );
 869
 870                         // Checks if user can...
 871                         if (
 872                                 // read and edit the current page
 873                                 $userCanRead && $title->quickUserCan( 'edit' ) &&
 874                                 (
 875                                         // if it exists
 876                                         $title->exists() ||
 877                                         // or they can create one here
 878                                         $title->quickUserCan( 'create' )
 879                                 )
 880                         ) {
 881                                 // Builds CSS class for talk page links
 882                                 $isTalkClass = $isTalk ? ' istalk' : '';
 883
 884                                 // Determines if we're in edit mode
 885                                 $selected = (
 886                                         $onPage &&
 887                                         ( $action == 'edit' || $action == 'submit' ) &&
 888                                         ( $section != 'new' )
 889                                 );
 890                                 $msgKey = $title->exists() || ( $title->getNamespace() == NS_MEDIAWIKI && !wfEmptyMsg( $title->getText() ) ) ?
 891                                         "edit" : "create";
 892                                 $content_navigation['views']['edit'] = array(
 893                                         'class' => ( $selected ? 'selected' : '' ) . $isTalkClass,
 894                                         'text' => wfMessageFallback( "$skname-view-$msgKey", $msgKey )->text(),
 895                                         'href' => $title->getLocalURL( $this->editUrlOptions() ),
 896                                         'primary' => true, // don't collapse this in vector
 897                                 );
 898                                 // Checks if this is a current rev of talk page and we should show a new
 899                                 // section link
 900                                 if ( ( $isTalk && $this->isRevisionCurrent() ) || ( $out->showNewSectionLink() ) ) {
 901                                         // Checks if we should ever show a new section link
 902                                         if ( !$out->forceHideNewSectionLink() ) {
 903                                                 // Adds new section link
 904                                                 //$content_navigation['actions']['addsection']
 905                                                 $content_navigation['views']['addsection'] = array(
 906                                                         'class' => $section == 'new' ? 'selected' : false,
 907                                                         'text' => wfMessageFallback( "$skname-action-addsection", 'addsection' )->text(),
 908                                                         'href' => $title->getLocalURL( 'action=edit&section=new' )
 909                                                 );
 910                                         }
 911                                 }
 912                         // Checks if the page has some kind of viewable content
 913                         } elseif ( $title->hasSourceText() && $userCanRead ) {
 914                                 // Adds view source view link
 915                                 $content_navigation['views']['viewsource'] = array(
 916                                         'class' => ( $onPage && $action == 'edit' ) ? 'selected' : false,
 917                                         'text' => wfMessageFallback( "$skname-action-viewsource", 'viewsource' )->text(),
 918                                         'href' => $title->getLocalURL( $this->editUrlOptions() ),
 919                                         'primary' => true, // don't collapse this in vector
 920                                 );
 921                         }
 922                         wfProfileOut( __METHOD__ . '-edit' );
 923
 924                         wfProfileIn( __METHOD__ . '-live' );
 925
 926                         // Checks if the page exists
 927                         if ( $title->exists() && $userCanRead ) {
 928                                 // Adds history view link
 929                                 $content_navigation['views']['history'] = array(
 930                                         'class' => ( $onPage && $action == 'history' ) ? 'selected' : false,
 931                                         'text' => wfMessageFallback( "$skname-view-history", 'history_short' )->text(),
 932                                         'href' => $title->getLocalURL( 'action=history' ),
 933                                         'rel' => 'archives',
 934                                 );
 935
 936                                 if( $wgUser->isAllowed( 'delete' ) ) {
 937                                         $content_navigation['actions']['delete'] = array(
 938                                                 'class' => ( $onPage && $action == 'delete' ) ? 'selected' : false,
 939                                                 'text' => wfMessageFallback( "$skname-action-delete", 'delete' )->text(),
 940                                                 'href' => $title->getLocalURL( 'action=delete' )
 941                                         );
 942                                 }
 943                                 if ( $title->quickUserCan( 'move' ) ) {
 944                                         $moveTitle = SpecialPage::getTitleFor( 'Movepage', $title->getPrefixedDBkey() );
 945                                         $content_navigation['actions']['move'] = array(
 946                                                 'class' => $this->getTitle()->isSpecial( 'Movepage' ) ? 'selected' : false,
 947                                                 'text' => wfMessageFallback( "$skname-action-move", 'move' )->text(),
 948                                                 'href' => $moveTitle->getLocalURL()
 949                                         );
 950                                 }
 951
 952                                 if ( $title->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 953                                         $mode = !$title->isProtected() ? 'protect' : 'unprotect';
 954                                         $content_navigation['actions'][$mode] = array(
 955                                                 'class' => ( $onPage && $action == $mode ) ? 'selected' : false,
 956                                                 'text' => wfMessageFallback( "$skname-action-$mode", $mode )->text(),
 957                                                 'href' => $title->getLocalURL( "action=$mode" )
 958                                         );
 959                                 }
 960                         } else {
 961                                 // article doesn't exist or is deleted
 962                                 if ( $wgUser->isAllowed( 'deletedhistory' ) ) {
 963                                         $n = $title->isDeleted();
 964                                         if( $n ) {
 965                                                 $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
 966                                                 // If the user can't undelete but can view deleted history show them a "View .. deleted" tab instead
 967                                                 $msgKey = $wgUser->isAllowed( 'undelete' ) ? 'undelete' : 'viewdeleted';
 968                                                 $content_navigation['actions']['undelete'] = array(
 969                                                         'class' => $this->getTitle()->isSpecial( 'Undelete' ) ? 'selected' : false,
 970                                                         'text' => wfMessageFallback( "$skname-action-$msgKey", "{$msgKey}_short" )
 971                                                                 ->params( $wgLang->formatNum( $n ) )->text(),
 972                                                         'href' => $undelTitle->getLocalURL( array( 'target' => $title->getPrefixedDBkey() ) )
 973                                                 );
 974                                         }
 975                                 }
 976
 977                                 if ( $title->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
 978                                         $mode = !$title->getRestrictions( 'create' ) ? 'protect' : 'unprotect';
 979                                         $content_navigation['actions'][$mode] = array(
 980                                                 'class' => ( $onPage && $action == $mode ) ? 'selected' : false,
 981                                                 'text' => wfMessageFallback( "$skname-action-$mode", $mode )->text(),
 982                                                 'href' => $title->getLocalURL( "action=$mode" )
 983                                         );
 984                                 }
 985                         }
 986                         wfProfileOut( __METHOD__ . '-live' );
 987
 988                         // Checks if the user is logged in
 989                         if ( $this->loggedin ) {
 990                                 /**
 991                                  * The following actions use messages which, if made particular to
 992                                  * the any specific skins, would break the Ajax code which makes this
 993                                  * action happen entirely inline. Skin::makeGlobalVariablesScript
 994                                  * defines a set of messages in a javascript object - and these
 995                                  * messages are assumed to be global for all skins. Without making
 996                                  * a change to that procedure these messages will have to remain as
 997                                  * the global versions.
 998                                  */
 999                                 $mode = $title->userIsWatching() ? 'unwatch' : 'watch';
1000                                 $content_navigation['actions'][$mode] = array(
1001                                         'class' => $onPage && ( $action == 'watch' || $action == 'unwatch' ) ? 'selected' : false,
1002                                         'text' => wfMsg( $mode ), // uses 'watch' or 'unwatch' message
1003                                         'href' => $title->getLocalURL( 'action=' . $mode )
1004                                 );
1005                         }
1006
1007                         wfRunHooks( 'SkinTemplateNavigation', array( &$this, &$content_navigation ) );
1008                 } else {
1009                         // If it's not content, it's got to be a special page
1010                         $content_navigation['namespaces']['special'] = array(
1011                                 'class' => 'selected',
1012                                 'text' => wfMsg( 'nstab-special' ),
1013                                 'href' => $wgRequest->getRequestURL(), // @bug 2457, 2510
1014                                 'context' => 'subject'
1015                         );
1016
1017                         wfRunHooks( 'SkinTemplateNavigation::SpecialPage', array( &$this, &$content_navigation ) );
1018                 }
1019
1020                 // Gets list of language variants
1021                 $variants = $wgContLang->getVariants();
1022                 // Checks that language conversion is enabled and variants exist
1023                 if( !$wgDisableLangConversion && count( $variants ) > 1 ) {
1024                         // Gets preferred variant
1025                         $preferred = $wgContLang->getPreferredVariant();
1026                         // Loops over each variant
1027                         foreach( $variants as $code ) {
1028                                 // Gets variant name from language code
1029                                 $varname = $wgContLang->getVariantname( $code );
1030                                 // Checks if the variant is marked as disabled
1031                                 if( $varname == 'disable' ) {
1032                                         // Skips this variant
1033                                         continue;
1034                                 }
1035                                 // Appends variant link
1036                                 $content_navigation['variants'][] = array(
1037                                         'class' => ( $code == $preferred ) ? 'selected' : false,
1038                                         'text' => $varname,
1039                                         'href' => $title->getLocalURL( '', $code )
1040                                 );
1041                         }
1042                 }
1043
1044                 // Equiv to SkinTemplateContentActions
1045                 wfRunHooks( 'SkinTemplateNavigation::Universal', array( &$this,  &$content_navigation ) );
1046
1047                 // Setup xml ids and tooltip info
1048                 foreach ( $content_navigation as $section => &$links ) {
1049                         foreach ( $links as $key => &$link ) {
1050                                 $xmlID = $key;
1051                                 if ( isset( $link['context'] ) && $link['context'] == 'subject' ) {
1052                                         $xmlID = 'ca-nstab-' . $xmlID;
1053                                 } elseif ( isset( $link['context'] ) && $link['context'] == 'talk' ) {
1054                                         $xmlID = 'ca-talk';
1055                                 } elseif ( $section == "variants" ) {
1056                                         $xmlID = 'ca-varlang-' . $xmlID;
1057                                 } else {
1058                                         $xmlID = 'ca-' . $xmlID;
1059                                 }
1060                                 $link['id'] = $xmlID;
1061                         }
1062                 }
1063
1064                 # We don't want to give the watch tab an accesskey if the
1065                 # page is being edited, because that conflicts with the
1066                 # accesskey on the watch checkbox.  We also don't want to
1067                 # give the edit tab an accesskey, because that's fairly su-
1068                 # perfluous and conflicts with an accesskey (Ctrl-E) often
1069                 # used for editing in Safari.
1070                 if( in_array( $action, array( 'edit', 'submit' ) ) ) {
1071                         if ( isset($content_navigation['views']['edit']) ) {
1072                                 $content_navigation['views']['edit']['tooltiponly'] = true;
1073                         }
1074                         if ( isset($content_navigation['actions']['watch']) ) {
1075                                 $content_navigation['actions']['watch']['tooltiponly'] = true;
1076                         }
1077                         if ( isset($content_navigation['actions']['unwatch']) ) {
1078                                 $content_navigation['actions']['unwatch']['tooltiponly'] = true;
1079                         }
1080                 }
1081
1082                 wfProfileOut( __METHOD__ );
1083
1084                 return $content_navigation;
1085         }
1086
1087         /**
1088          * an array of edit links by default used for the tabs
1089          * @return array
1090          * @private
1091          */
1092         function buildContentActionUrls( $content_navigation ) {
1093
1094                 wfProfileIn( __METHOD__ );
1095
1096                 // content_actions has been replaced with content_navigation for backwards
1097                 // compatibility and also for skins that just want simple tabs content_actions
1098                 // is now built by flattening the content_navigation arrays into one
1099
1100                 $content_actions = array();
1101
1102                 foreach ( $content_navigation as $links ) {
1103
1104                         foreach ( $links as $key => $value ) {
1105
1106                                 if ( isset($value["redundant"]) && $value["redundant"] ) {
1107                                         // Redundant tabs are dropped from content_actions
1108                                         continue;
1109                                 }
1110
1111                                 // content_actions used to have ids built using the "ca-$key" pattern
1112                                 // so the xmlID based id is much closer to the actual $key that we want
1113                                 // for that reason we'll just strip out the ca- if present and use
1114                                 // the latter potion of the "id" as the $key
1115                                 if ( isset($value["id"]) && substr($value["id"], 0, 3) == "ca-" ) {
1116                                         $key = substr($value["id"], 3);
1117                                 }
1118
1119                                 if ( isset($content_actions[$key]) ) {
1120                                         wfDebug( __METHOD__ . ": Found a duplicate key for $key while flattening content_navigation into content_actions." );
1121                                         continue;
1122                                 }
1123
1124                                 $content_actions[$key] = $value;
1125
1126                         }
1127
1128                 }
1129
1130                 wfProfileOut( __METHOD__ );
1131
1132                 return $content_actions;
1133         }
1134
1135         /**
1136          * build array of common navigation links
1137          * @return array
1138          * @private
1139          */
1140         protected function buildNavUrls( OutputPage $out ) {
1141                 global $wgUseTrackbacks, $wgUser, $wgRequest;
1142                 global $wgUploadNavigationUrl;
1143
1144                 wfProfileIn( __METHOD__ );
1145
1146                 $action = $wgRequest->getVal( 'action', 'view' );
1147
1148                 $nav_urls = array();
1149                 $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
1150                 if( $wgUploadNavigationUrl ) {
1151                         $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
1152                 } elseif( UploadBase::isEnabled() && UploadBase::isAllowed( $wgUser ) === true ) {
1153                         $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
1154                 } else {
1155                         $nav_urls['upload'] = false;
1156                 }
1157                 $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );
1158
1159                 // default permalink to being off, will override it as required below.
1160                 $nav_urls['permalink'] = false;
1161
1162                 // A print stylesheet is attached to all pages, but nobody ever
1163                 // figures that out. :)  Add a link...
1164                 if( $this->iscontent && ( $action == 'view' || $action == 'purge' ) ) {
1165                         if ( !$out->isPrintable() ) {
1166                                 $nav_urls['print'] = array(
1167                                         'text' => wfMsg( 'printableversion' ),
1168                                         'href' => $this->getTitle()->getLocalURL( $wgRequest->appendQueryValue( 'printable', 'yes', true ) )
1169                                 );
1170                         }
1171
1172                         // Also add a "permalink" while we're at it
1173                         if ( $this->mRevisionId ) {
1174                                 $nav_urls['permalink'] = array(
1175                                         'text' => wfMsg( 'permalink' ),
1176                                         'href' => $out->getTitle()->getLocalURL( "oldid=$this->mRevisionId" )
1177                                 );
1178                         }
1179
1180                         // Copy in case this undocumented, shady hook tries to mess with internals
1181                         $revid = $this->mRevisionId;
1182                         wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink', array( &$this, &$nav_urls, &$revid, &$revid ) );
1183                 }
1184
1185                 if( $this->getTitle()->getNamespace() != NS_SPECIAL ) {
1186                         $wlhTitle = SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage );
1187                         $nav_urls['whatlinkshere'] = array(
1188                                 'href' => $wlhTitle->getLocalUrl()
1189                         );
1190                         if( $this->getTitle()->getArticleId() ) {
1191                                 $rclTitle = SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage );
1192                                 $nav_urls['recentchangeslinked'] = array(
1193                                         'href' => $rclTitle->getLocalUrl()
1194                                 );
1195                         } else {
1196                                 $nav_urls['recentchangeslinked'] = false;
1197                         }
1198                         if( $wgUseTrackbacks )
1199                                 $nav_urls['trackbacklink'] = array(
1200                                         'href' => $out->getTitle()->trackbackURL()
1201                                 );
1202                 }
1203
1204                 $user = $this->getRelevantUser();
1205                 if ( $user ) {
1206                         $id = $user->getID();
1207                         $ip = $user->isAnon();
1208                         $rootUser = $user->getName();
1209                 } else {
1210                         $id = 0;
1211                         $ip = false;
1212                         $rootUser = null;
1213                 }
1214
1215                 if( $id || $ip ) { # both anons and non-anons have contribs list
1216                         $nav_urls['contributions'] = array(
1217                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser )
1218                         );
1219
1220                         if( $id ) {
1221                                 $logPage = SpecialPage::getTitleFor( 'Log' );
1222                                 $nav_urls['log'] = array(
1223                                         'href' => $logPage->getLocalUrl(
1224                                                 array(
1225                                                         'user' => $rootUser
1226                                                 )
1227                                         )
1228                                 );
1229                         } else {
1230                                 $nav_urls['log'] = false;
1231                         }
1232
1233                         if ( $wgUser->isAllowed( 'block' ) ) {
1234                                 $nav_urls['blockip'] = array(
1235                                         'href' => self::makeSpecialUrlSubpage( 'Block', $rootUser )
1236                                 );
1237                         } else {
1238                                 $nav_urls['blockip'] = false;
1239                         }
1240                 } else {
1241                         $nav_urls['contributions'] = false;
1242                         $nav_urls['log'] = false;
1243                         $nav_urls['blockip'] = false;
1244                 }
1245                 $nav_urls['emailuser'] = false;
1246                 if( $this->showEmailUser( $id ) ) {
1247                         $nav_urls['emailuser'] = array(
1248                                 'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser )
1249                         );
1250                 }
1251                 wfProfileOut( __METHOD__ );
1252                 return $nav_urls;
1253         }
1254
1255         /**
1256          * Generate strings used for xml 'id' names
1257          * @return string
1258          * @private
1259          */
1260         function getNameSpaceKey() {
1261                 return $this->getTitle()->getNamespaceKey();
1262         }
1263
1264         /**
1265          * @private
1266          * FIXME: why is this duplicated in/from OutputPage::getHeadScripts()??
1267          */
1268         function setupUserJs( $allowUserJs ) {
1269                 global $wgRequest, $wgJsMimeType;
1270                 wfProfileIn( __METHOD__ );
1271
1272                 $action = $wgRequest->getVal( 'action', 'view' );
1273
1274                 if( $allowUserJs && $this->loggedin ) {
1275                         if( $this->getTitle()->isJsSubpage() and $this->userCanPreview( $action ) ) {
1276                                 # XXX: additional security check/prompt?
1277                                 $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText( 'wpTextbox1' ) . ' /*]]>*/';
1278                         } else {
1279                                 $this->userjs = self::makeUrl( $this->userpage . '/' . $this->skinname . '.js', 'action=raw&ctype=' . $wgJsMimeType );
1280                         }
1281                 }
1282                 wfProfileOut( __METHOD__ );
1283         }
1284
1285         /**
1286          * Code for extensions to hook into to provide per-page CSS, see
1287          * extensions/PageCSS/PageCSS.php for an implementation of this.
1288          *
1289          * @private
1290          */
1291         function setupPageCss() {
1292                 wfProfileIn( __METHOD__ );
1293                 $out = false;
1294                 wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
1295                 wfProfileOut( __METHOD__ );
1296                 return $out;
1297         }
1298
1299         public function commonPrintStylesheet() {
1300                 return false;
1301         }
1302 }
1303
1304 /**
1305  * Generic wrapper for template functions, with interface
1306  * compatible with what we use of PHPTAL 0.7.
1307  * @ingroup Skins
1308  */
1309 abstract class QuickTemplate {
1310         /**
1311          * Constructor
1312          */
1313         public function QuickTemplate() {
1314                 $this->data = array();
1315                 $this->translator = new MediaWiki_I18N();
1316         }
1317
1318         /**
1319          * Sets the value $value to $name
1320          * @param $name
1321          * @param $value
1322          */
1323         public function set( $name, $value ) {
1324                 $this->data[$name] = $value;
1325         }
1326
1327         /**
1328          * @param $name
1329          * @param $value
1330          */
1331         public function setRef( $name, &$value ) {
1332                 $this->data[$name] =& $value;
1333         }
1334
1335         /**
1336          * @param $t
1337          */
1338         public function setTranslator( &$t ) {
1339                 $this->translator = &$t;
1340         }
1341
1342         /**
1343          * Main function, used by classes that subclass QuickTemplate
1344          * to show the actual HTML output
1345          */
1346         abstract public function execute();
1347
1348         /**
1349          * @private
1350          */
1351         function text( $str ) {
1352                 echo htmlspecialchars( $this->data[$str] );
1353         }
1354
1355         /**
1356          * @private
1357          */
1358         function jstext( $str ) {
1359                 echo Xml::escapeJsString( $this->data[$str] );
1360         }
1361
1362         /**
1363          * @private
1364          */
1365         function html( $str ) {
1366                 echo $this->data[$str];
1367         }
1368
1369         /**
1370          * @private
1371          */
1372         function msg( $str ) {
1373                 echo htmlspecialchars( $this->translator->translate( $str ) );
1374         }
1375
1376         /**
1377          * @private
1378          */
1379         function msgHtml( $str ) {
1380                 echo $this->translator->translate( $str );
1381         }
1382
1383         /**
1384          * An ugly, ugly hack.
1385          * @private
1386          */
1387         function msgWiki( $str ) {
1388                 global $wgParser, $wgOut;
1389
1390                 $text = $this->translator->translate( $str );
1391                 $parserOutput = $wgParser->parse( $text, $wgOut->getTitle(),
1392                         $wgOut->parserOptions(), true );
1393                 echo $parserOutput->getText();
1394         }
1395
1396         /**
1397          * @private
1398          */
1399         function haveData( $str ) {
1400                 return isset( $this->data[$str] );
1401         }
1402
1403         /**
1404          * @private
1405          */
1406         function haveMsg( $str ) {
1407                 $msg = $this->translator->translate( $str );
1408                 return ( $msg != '-' ) && ( $msg != '' ); # ????
1409         }
1410
1411         /**
1412          * Get the Skin object related to this object
1413          *
1414          * @return Skin object
1415          */
1416         public function getSkin() {
1417                 return $this->data['skin'];
1418         }
1419 }
1420
1421 /**
1422  * New base template for a skin's template extended from QuickTemplate
1423  * this class features helper methods that provide common ways of interacting
1424  * with the data stored in the QuickTemplate
1425  */
1426 abstract class BaseTemplate extends QuickTemplate {
1427
1428         /**
1429          * Create an array of common toolbox items from the data in the quicktemplate
1430          * stored by SkinTemplate.
1431          * The resulting array is built acording to a format intended to be passed
1432          * through makeListItem to generate the html.
1433          */
1434         function getToolbox() {
1435                 wfProfileIn( __METHOD__ );
1436
1437                 $toolbox = array();
1438                 if ( $this->data['notspecialpage'] ) {
1439                         $toolbox['whatlinkshere'] = $this->data['nav_urls']['whatlinkshere'];
1440                         $toolbox['whatlinkshere']['id'] = 't-whatlinkshere';
1441                         if ( $this->data['nav_urls']['recentchangeslinked'] ) {
1442                                 $toolbox['recentchangeslinked'] = $this->data['nav_urls']['recentchangeslinked'];
1443                                 $toolbox['recentchangeslinked']['msg'] = 'recentchangeslinked-toolbox';
1444                                 $toolbox['recentchangeslinked']['id'] = 't-recentchangeslinked';
1445                         }
1446                 }
1447                 if( isset( $this->data['nav_urls']['trackbacklink'] ) && $this->data['nav_urls']['trackbacklink'] ) {
1448                         $toolbox['trackbacklink'] = $this->data['nav_urls']['trackbacklink'];
1449                         $toolbox['trackbacklink']['id'] = 't-trackbacklink';
1450                 }
1451                 if ( $this->data['feeds'] ) {
1452                         $toolbox['feeds']['id'] = 'feedlinks';
1453                         $toolbox['feeds']['links'] = array();
1454                         foreach ( $this->data['feeds'] as $key => $feed ) {
1455                                 $toolbox['feeds']['links'][$key] = $feed;
1456                                 $toolbox['feeds']['links'][$key]['id'] = "feed-$key";
1457                                 $toolbox['feeds']['links'][$key]['rel'] = 'alternate';
1458                                 $toolbox['feeds']['links'][$key]['type'] = "application/{$key}+xml";
1459                                 $toolbox['feeds']['links'][$key]['class'] = 'feedlink';
1460                         }
1461                 }
1462                 foreach ( array( 'contributions', 'log', 'blockip', 'emailuser', 'upload', 'specialpages' ) as $special ) {
1463                         if ( $this->data['nav_urls'][$special] ) {
1464                                 $toolbox[$special] = $this->data['nav_urls'][$special];
1465                                 $toolbox[$special]['id'] = "t-$special";
1466                         }
1467                 }
1468                 if ( !empty( $this->data['nav_urls']['print']['href'] ) ) {
1469                         $toolbox['print'] = $this->data['nav_urls']['print'];
1470                         $toolbox['print']['rel'] = 'alternate';
1471                         $toolbox['print']['msg'] = 'printableversion';
1472                 }
1473                 if( $this->data['nav_urls']['permalink'] ) {
1474                         $toolbox['permalink'] = $this->data['nav_urls']['permalink'];
1475                         if( $toolbox['permalink']['href'] === '' ) {
1476                                 unset( $toolbox['permalink']['href'] );
1477                                 $toolbox['ispermalink']['tooltiponly'] = true;
1478                                 $toolbox['ispermalink']['id'] = 't-ispermalink';
1479                                 $toolbox['ispermalink']['msg'] = 'permalink';
1480                         } else {
1481                                 $toolbox['permalink']['id'] = 't-permalink';
1482                         }
1483                 }
1484                 wfRunHooks( 'BaseTemplateToolbox', array( &$this, &$toolbox ) );
1485                 wfProfileOut( __METHOD__ );
1486                 return $toolbox;
1487         }
1488
1489         /**
1490          * Create an array of personal tools items from the data in the quicktemplate
1491          * stored by SkinTemplate.
1492          * The resulting array is built acording to a format intended to be passed
1493          * through makeListItem to generate the html.
1494          * This is in reality the same list as already stored in personal_urls
1495          * however it is reformatted so that you can just pass the individual items
1496          * to makeListItem instead of hardcoding the element creation boilerplate.
1497          */
1498         function getPersonalTools() {
1499                 $personal_tools = array();
1500                 foreach( $this->data['personal_urls'] as $key => $ptool ) {
1501                         # The class on a personal_urls item is meant to go on the <a> instead
1502                         # of the <li> so we have to use a single item "links" array instead
1503                         # of using most of the personal_url's keys directly
1504                         $personal_tools[$key] = array();
1505                         $personal_tools[$key]["links"][] = array();
1506                         $personal_tools[$key]["links"][0]["single-id"] = $personal_tools[$key]["id"] = "pt-$key";
1507                         if ( isset($ptool["active"]) ) {
1508                                 $personal_tools[$key]["active"] = $ptool["active"];
1509                         }
1510                         foreach ( array("href", "class", "text") as $k ) {
1511                                 if ( isset($ptool[$k]) )
1512                                         $personal_tools[$key]["links"][0][$k] = $ptool[$k];
1513                         }
1514                 }
1515                 return $personal_tools;
1516         }
1517
1518         /**
1519          * Makes a link, usually used by makeListItem to generate a link for an item
1520          * in a list used in navigation lists, portlets, portals, sidebars, etc...
1521          *
1522          * $key is a string, usually a key from the list you are generating this link from
1523          * $item is an array containing some of a specific set of keys.
1524          * The text of the link will be generated either from the contents of the "text"
1525          * key in the $item array, if a "msg" key is present a message by that name will
1526          * be used, and if neither of those are set the $key will be used as a message name.
1527          * If a "href" key is not present makeLink will just output htmlescaped text.
1528          * The href, id, class, rel, and type keys are used as attributes for the link if present.
1529          * If an "id" or "single-id" (if you don't want the actual id to be output on the link)
1530          * is present it will be used to generate a tooltip and accesskey for the link.
1531          * If you don't want an accesskey, set $item['tooltiponly'] = true;
1532          */
1533         function makeLink( $key, $item ) {
1534                 if ( isset( $item['text'] ) ) {
1535                         $text = $item['text'];
1536                 } else {
1537                         $text = $this->translator->translate( isset( $item['msg'] ) ? $item['msg'] : $key );
1538                 }
1539
1540                 if ( !isset( $item['href'] ) ) {
1541                         return htmlspecialchars( $text );
1542                 }
1543
1544                 $attrs = array();
1545                 foreach ( array( 'href', 'id', 'class', 'rel', 'type' ) as $attr ) {
1546                         if ( isset( $item[$attr] ) ) {
1547                                 $attrs[$attr] = $item[$attr];
1548                         }
1549                 }
1550
1551                 if ( isset( $item['id'] ) ) {
1552                         $item['single-id'] = $item['id'];
1553                 }
1554                 if ( isset( $item['single-id'] ) ) {
1555                         if ( isset( $item['tooltiponly'] ) && $item['tooltiponly'] ) {
1556                                 $attrs['title'] = $this->skin->titleAttrib( $item['single-id'] );
1557                                 if ( $attrs['title'] === false ) {
1558                                         unset( $attrs['title'] );
1559                                 }
1560                         } else {
1561                                 $attrs = array_merge(
1562                                         $attrs,
1563                                         $this->skin->tooltipAndAccesskeyAttribs( $item['single-id'] )
1564                                 );
1565                         }
1566                 }
1567
1568                 return Html::element( 'a', $attrs, $text );
1569         }
1570
1571         /**
1572          * Generates a list item for a navigation, portlet, portal, sidebar... etc list
1573          * $key is a string, usually a key from the list you are generating this link from
1574          * $item is an array of list item data containing some of a specific set of keys.
1575          * The "id" and "class" keys will be used as attributes for the list item,
1576          * if "active" contains a value of true a "active" class will also be appended to class.
1577          * If you want something other than a <li> you can pass a tag name such as
1578          * "tag" => "span" in the $options array to change the tag used.
1579          * link/content data for the list item may come in one of two forms
1580          * A "links" key may be used, in which case it should contain an array with
1581          * a list of links to include inside the list item, see makeLink for the format
1582          * of individual links array items.
1583          * Otherwise the relevant keys from the list item $item array will be passed
1584          * to makeLink instead. Note however that "id" and "class" are used by the
1585          * list item directly so they will not be passed to makeLink
1586          * (however the link will still support a tooltip and accesskey from it)
1587          * If you need an id or class on a single link you should include a "links"
1588          * array with just one link item inside of it.
1589          */
1590         function makeListItem( $key, $item, $options = array() ) {
1591                 if ( isset( $item['links'] ) ) {
1592                         $html = '';
1593                         foreach ( $item['links'] as $linkKey => $link ) {
1594                                 $html .= $this->makeLink( $linkKey, $link );
1595                         }
1596                 } else {
1597                         $link = array();
1598                         foreach ( array( 'text', 'msg', 'href', 'rel', 'type', 'tooltiponly' ) as $k ) {
1599                                 if ( isset( $item[$k] ) ) {
1600                                         $link[$k] = $item[$k];
1601                                 }
1602                         }
1603                         if ( isset( $item['id'] ) ) {
1604                                 // The id goes on the <li> not on the <a> for single links
1605                                 // but makeSidebarLink still needs to know what id to use when
1606                                 // generating tooltips and accesskeys.
1607                                 $link['single-id'] = $item['id'];
1608                         }
1609                         $html = $this->makeLink( $key, $link );
1610                 }
1611
1612                 $attrs = array();
1613                 foreach ( array( 'id', 'class' ) as $attr ) {
1614                         if ( isset( $item[$attr] ) ) {
1615                                 $attrs[$attr] = $item[$attr];
1616                         }
1617                 }
1618                 if ( isset( $item['active'] ) && $item['active'] ) {
1619                         if ( !isset( $attrs['class'] ) ) {
1620                                 $attrs['class'] = '';
1621                         }
1622                         $attrs['class'] .= ' active';
1623                         $attrs['class'] = trim( $attrs['class'] );
1624                 }
1625                 return Html::rawElement( isset( $options['tag'] ) ? $options['tag'] : 'li', $attrs, $html );
1626         }
1627
1628         function makeSearchInput( $attrs = array() ) {
1629                 $realAttrs = array(
1630                         'type' => 'search',
1631                         'name' => 'search',
1632                         'value' => isset( $this->data['search'] ) ? $this->data['search'] : '',
1633                 );
1634                 $realAttrs = array_merge( $realAttrs, $this->skin->tooltipAndAccesskeyAttribs( 'search' ), $attrs );
1635                 return Html::element( 'input', $realAttrs );
1636         }
1637
1638         function makeSearchButton( $mode, $attrs = array() ) {
1639                 switch( $mode ) {
1640                         case 'go':
1641                         case 'fulltext':
1642                                 $realAttrs = array(
1643                                         'type' => 'submit',
1644                                         'name' => $mode,
1645                                         'value' => $this->translator->translate( $mode == 'go' ? 'searcharticle' : 'searchbutton' ),
1646                                 );
1647                                 $realAttrs = array_merge(
1648                                         $realAttrs,
1649                                         $this->skin->tooltipAndAccesskeyAttribs( "search-$mode" ),
1650                                         $attrs
1651                                 );
1652                                 return Html::element( 'input', $realAttrs );
1653                         case 'image':
1654                                 $buttonAttrs = array(
1655                                         'type' => 'submit',
1656                                         'name' => 'button',
1657                                 );
1658                                 $buttonAttrs = array_merge(
1659                                         $buttonAttrs,
1660                                         $this->skin->tooltipAndAccesskeyAttribs( 'search-fulltext' ),
1661                                         $attrs
1662                                 );
1663                                 unset( $buttonAttrs['src'] );
1664                                 unset( $buttonAttrs['alt'] );
1665                                 $imgAttrs = array(
1666                                         'src' => $attrs['src'],
1667                                         'alt' => isset( $attrs['alt'] ) ? $attrs['alt'] : $this->translator->translate( 'searchbutton' ),
1668                                 );
1669                                 return Html::rawElement( 'button', $buttonAttrs, Html::element( 'img', $imgAttrs ) );
1670                         default:
1671                                 throw new MWException( 'Unknown mode passed to BaseTemplate::makeSearchButton' );
1672                 }
1673         }
1674
1675         /**
1676          * Returns an array of footerlinks trimmed down to only those footer links that
1677          * are valid.
1678          * If you pass "flat" as an option then the returned array will be a flat array
1679          * of footer icons instead of a key/value array of footerlinks arrays broken
1680          * up into categories.
1681          */
1682         function getFooterLinks( $option = null ) {
1683                 $footerlinks = $this->data['footerlinks'];
1684
1685                 // Reduce footer links down to only those which are being used
1686                 $validFooterLinks = array();
1687                 foreach( $footerlinks as $category => $links ) {
1688                         $validFooterLinks[$category] = array();
1689                         foreach( $links as $link ) {
1690                                 if( isset( $this->data[$link] ) && $this->data[$link] ) {
1691                                         $validFooterLinks[$category][] = $link;
1692                                 }
1693                         }
1694                         if ( count( $validFooterLinks[$category] ) <= 0 ) {
1695                                 unset( $validFooterLinks[$category] );
1696                         }
1697                 }
1698
1699                 if ( $option == 'flat' ) {
1700                         // fold footerlinks into a single array using a bit of trickery
1701                         $validFooterLinks = call_user_func_array(
1702                                 'array_merge',
1703                                 array_values( $validFooterLinks )
1704                         );
1705                 }
1706
1707                 return $validFooterLinks;
1708         }
1709
1710         /**
1711          * Returns an array of footer icons filtered down by options relevant to how
1712          * the skin wishes to display them.
1713          * If you pass "icononly" as the option all footer icons which do not have an
1714          * image icon set will be filtered out.
1715          * If you pass "nocopyright" then MediaWiki's copyright icon will not be included
1716          * in the list of footer icons. This is mostly useful for skins which only
1717          * display the text from footericons instead of the images and don't want a
1718          * duplicate copyright statement because footerlinks already rendered one.
1719          */
1720         function getFooterIcons( $option = null ) {
1721                 // Generate additional footer icons
1722                 $footericons = $this->data['footericons'];
1723
1724                 if ( $option == 'icononly' ) {
1725                         // Unset any icons which don't have an image
1726                         foreach ( $footericons as &$footerIconsBlock ) {
1727                                 foreach ( $footerIconsBlock as $footerIconKey => $footerIcon ) {
1728                                         if ( !is_string( $footerIcon ) && !isset( $footerIcon['src'] ) ) {
1729                                                 unset( $footerIconsBlock[$footerIconKey] );
1730                                         }
1731                                 }
1732                         }
1733                         // Redo removal of any empty blocks
1734                         foreach ( $footericons as $footerIconsKey => &$footerIconsBlock ) {
1735                                 if ( count( $footerIconsBlock ) <= 0 ) {
1736                                         unset( $footericons[$footerIconsKey] );
1737                                 }
1738                         }
1739                 } elseif ( $option == 'nocopyright' ) {
1740                         unset( $footericons['copyright']['copyright'] );
1741                         if ( count( $footericons['copyright'] ) <= 0 ) {
1742                                 unset( $footericons['copyright'] );
1743                         }
1744                 }
1745
1746                 return $footericons;
1747         }
1748
1749         /**
1750          * Output the basic end-page trail including bottomscripts, reporttime, and
1751          * debug stuff. This should be called right before outputting the closing
1752          * body and html tags.
1753          */
1754         function printTrail() { ?>
1755 <?php $this->html('bottomscripts'); /* JS call to runBodyOnloadHook */ ?>
1756 <?php $this->html('reporttime') ?>
1757 <?php if ( $this->data['debug'] ): ?>
1758 <!-- Debug output:
1759 <?php $this->text( 'debug' ); ?>
1760
1761 -->
1762 <?php endif;
1763         }
1764
1765 }
1766