skins/CologneBlue.php

   1 <?php
   2 /**
   3  * Cologne Blue: A nicer-looking alternative to Standard.
   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  * @todo document
  21  * @file
  22  * @ingroup Skins
  23  */
  24
  25 if ( !defined( 'MEDIAWIKI' ) ) {
  26         die( -1 );
  27 }
  28
  29 /**
  30  * @todo document
  31  * @ingroup Skins
  32  */
  33 class SkinCologneBlue extends SkinTemplate {
  34         public $skinname = 'cologneblue';
  35         public $stylename = 'cologneblue';
  36         public $template = 'CologneBlueTemplate';
  37         public $useHeadElement = true;
  38
  39         /**
  40          * @param OutputPage $out
  41          */
  42         function setupSkinUserCss( OutputPage $out ) {
  43                 parent::setupSkinUserCss( $out );
  44                 $out->addModuleStyles( 'mediawiki.legacy.oldshared' );
  45                 $out->addModuleStyles( 'skins.cologneblue' );
  46         }
  47
  48         /**
  49          * Override langlink formatting behavior not to uppercase the language names.
  50          * See otherLanguages() in CologneBlueTemplate.
  51          * @param string $name
  52          * @return string
  53          */
  54         function formatLanguageName( $name ) {
  55                 return $name;
  56         }
  57 }
  58
  59 class CologneBlueTemplate extends BaseTemplate {
  60         function execute() {
  61                 // Suppress warnings to prevent notices about missing indexes in $this->data
  62                 wfSuppressWarnings();
  63                 $this->html( 'headelement' );
  64                 echo $this->beforeContent();
  65                 $this->html( 'bodytext' );
  66                 echo "\n";
  67                 echo $this->afterContent();
  68                 $this->html( 'dataAfterContent' );
  69                 $this->printTrail();
  70                 echo "\n</body></html>";
  71                 wfRestoreWarnings();
  72         }
  73
  74         /**
  75          * Language/charset variant links for classic-style skins
  76          * @return string
  77          */
  78         function variantLinks() {
  79                 $s = array();
  80
  81                 $variants = $this->data['content_navigation']['variants'];
  82
  83                 foreach ( $variants as $key => $link ) {
  84                         $s[] = $this->makeListItem( $key, $link, array( 'tag' => 'span' ) );
  85                 }
  86
  87                 return $this->getSkin()->getLanguage()->pipeList( $s );
  88         }
  89
  90         function otherLanguages() {
  91                 global $wgHideInterlanguageLinks;
  92                 if ( $wgHideInterlanguageLinks ) {
  93                         return "";
  94                 }
  95
  96                 $html = '';
  97
  98                 // We override SkinTemplate->formatLanguageName() in SkinCologneBlue
  99                 // not to capitalize the language names.
 100                 $language_urls = $this->data['language_urls'];
 101                 if ( !empty( $language_urls ) ) {
 102                         $s = array();
 103                         foreach ( $language_urls as $key => $data ) {
 104                                 $s[] = $this->makeListItem( $key, $data, array( 'tag' => 'span' ) );
 105                         }
 106
 107                         $html = wfMessage( 'otherlanguages' )->text()
 108                                 . wfMessage( 'colon-separator' )->text()
 109                                 . $this->getSkin()->getLanguage()->pipeList( $s );
 110                 }
 111
 112                 $html .= $this->renderAfterPortlet( 'lang' );
 113
 114                 return $html;
 115         }
 116
 117         /**
 118          * @param string $name
 119          */
 120         protected function renderAfterPortlet( $name ) {
 121                 $content = '';
 122                 wfRunHooks( 'BaseTemplateAfterPortlet', array( $this, $name, &$content ) );
 123
 124                 $html = $content !== '' ? "<div class='after-portlet after-portlet-$name'>$content</div>" : '';
 125
 126                 return $html;
 127         }
 128
 129         function pageTitleLinks() {
 130                 $s = array();
 131                 $footlinks = $this->getFooterLinks();
 132
 133                 foreach ( $footlinks['places'] as $item ) {
 134                         $s[] = $this->data[$item];
 135                 }
 136
 137                 return $this->getSkin()->getLanguage()->pipeList( $s );
 138         }
 139
 140         /**
 141          * Used in bottomLinks() to eliminate repetitive code.
 142          *
 143          * @param string $key Key to be passed to makeListItem()
 144          * @param array $navlink Navlink suitable for processNavlinkForDocument()
 145          * @param string $message Key of the message to use in place of standard text
 146          *
 147          * @return string
 148          */
 149         function processBottomLink( $key, $navlink, $message = null ) {
 150                 if ( !$navlink ) {
 151                         // Empty navlinks might be passed.
 152                         return null;
 153                 }
 154
 155                 if ( $message ) {
 156                         $navlink['text'] = wfMessage( $message )->escaped();
 157                 }
 158
 159                 return $this->makeListItem(
 160                         $key,
 161                         $this->processNavlinkForDocument( $navlink ),
 162                         array( 'tag' => 'span' )
 163                 );
 164         }
 165
 166         function bottomLinks() {
 167                 $toolbox = $this->getToolbox();
 168                 $content_nav = $this->data['content_navigation'];
 169
 170                 $lines = array();
 171
 172                 if ( $this->getSkin()->getOutput()->isArticleRelated() ) {
 173                         // First row. Regular actions.
 174                         $element = array();
 175
 176                         $editLinkMessage = $this->getSkin()->getTitle()->exists() ? 'editthispage' : 'create-this-page';
 177                         $element[] = $this->processBottomLink( 'edit', $content_nav['views']['edit'], $editLinkMessage );
 178                         $element[] = $this->processBottomLink(
 179                                 'viewsource',
 180                                 $content_nav['views']['viewsource'],
 181                                 'viewsource'
 182                         );
 183
 184                         $element[] = $this->processBottomLink(
 185                                 'watch',
 186                                 $content_nav['actions']['watch'],
 187                                 'watchthispage'
 188                         );
 189                         $element[] = $this->processBottomLink(
 190                                 'unwatch',
 191                                 $content_nav['actions']['unwatch'],
 192                                 'unwatchthispage'
 193                         );
 194
 195                         $element[] = $this->talkLink();
 196
 197                         $element[] = $this->processBottomLink( 'history', $content_nav['views']['history'], 'history' );
 198                         $element[] = $this->processBottomLink( 'info', $toolbox['info'] );
 199                         $element[] = $this->processBottomLink( 'whatlinkshere', $toolbox['whatlinkshere'] );
 200                         $element[] = $this->processBottomLink( 'recentchangeslinked', $toolbox['recentchangeslinked'] );
 201
 202                         $element[] = $this->processBottomLink( 'contributions', $toolbox['contributions'] );
 203                         $element[] = $this->processBottomLink( 'emailuser', $toolbox['emailuser'] );
 204
 205                         $lines[] = $this->getSkin()->getLanguage()->pipeList( array_filter( $element ) );
 206
 207                         // Second row. Privileged actions.
 208                         $element = array();
 209
 210                         $element[] = $this->processBottomLink(
 211                                 'delete',
 212                                 $content_nav['actions']['delete'],
 213                                 'deletethispage'
 214                         );
 215                         $element[] = $this->processBottomLink(
 216                                 'undelete',
 217                                 $content_nav['actions']['undelete'],
 218                                 'undeletethispage'
 219                         );
 220
 221                         $element[] = $this->processBottomLink(
 222                                 'protect',
 223                                 $content_nav['actions']['protect'],
 224                                 'protectthispage'
 225                         );
 226                         $element[] = $this->processBottomLink(
 227                                 'unprotect',
 228                                 $content_nav['actions']['unprotect'],
 229                                 'unprotectthispage'
 230                         );
 231
 232                         $element[] = $this->processBottomLink( 'move', $content_nav['actions']['move'], 'movethispage' );
 233
 234                         $lines[] = $this->getSkin()->getLanguage()->pipeList( array_filter( $element ) );
 235
 236                         // Third row. Language links.
 237                         $lines[] = $this->otherLanguages();
 238                 }
 239
 240                 return implode( array_filter( $lines ), "<br />\n" ) . "<br />\n";
 241         }
 242
 243         function talkLink() {
 244                 $title = $this->getSkin()->getTitle();
 245
 246                 if ( $title->getNamespace() == NS_SPECIAL ) {
 247                         // No discussion links for special pages
 248                         return "";
 249                 }
 250
 251                 $companionTitle = $title->isTalkPage() ? $title->getSubjectPage() : $title->getTalkPage();
 252                 $companionNamespace = $companionTitle->getNamespace();
 253
 254                 // TODO these messages are only be used by CologneBlue,
 255                 // kill and replace with something more sensibly named?
 256                 $nsToMessage = array(
 257                         NS_MAIN => 'articlepage',
 258                         NS_USER => 'userpage',
 259                         NS_PROJECT => 'projectpage',
 260                         NS_FILE => 'imagepage',
 261                         NS_MEDIAWIKI => 'mediawikipage',
 262                         NS_TEMPLATE => 'templatepage',
 263                         NS_HELP => 'viewhelppage',
 264                         NS_CATEGORY => 'categorypage',
 265                         NS_FILE => 'imagepage',
 266                 );
 267
 268                 // Find out the message to use for link text. Use either the array above or,
 269                 // for non-talk pages, a generic "discuss this" message.
 270                 // Default is the same as for main namespace.
 271                 if ( isset( $nsToMessage[$companionNamespace] ) ) {
 272                         $message = $nsToMessage[$companionNamespace];
 273                 } else {
 274                         $message = $companionTitle->isTalkPage() ? 'talkpage' : 'articlepage';
 275                 }
 276
 277                 // Obviously this can't be reasonable and just return the key for talk
 278                 // namespace, only for content ones. Thus we have to mangle it in
 279                 // exactly the same way SkinTemplate does. (bug 40805)
 280                 $key = $companionTitle->getNamespaceKey( '' );
 281                 if ( $companionTitle->isTalkPage() ) {
 282                         $key = ( $key == 'main' ? 'talk' : $key . "_talk" );
 283                 }
 284
 285                 // Use the regular navigational link, but replace its text. Everything else stays unmodified.
 286                 $namespacesLinks = $this->data['content_navigation']['namespaces'];
 287
 288                 return $this->processBottomLink( $message, $namespacesLinks[$key], $message );
 289         }
 290
 291         /**
 292          * Takes a navigational link generated by SkinTemplate in whichever way
 293          * and mangles attributes unsuitable for repeated use. In particular, this
 294          * modifies the ids and removes the accesskeys. This is necessary to be
 295          * able to use the same navlink twice, e.g. in sidebar and in footer.
 296          *
 297          * @param array $navlink Navigational link generated by SkinTemplate
 298          * @param mixed $idPrefix Prefix to add to id of this navlink. If false, id
 299          *   is removed entirely. Default is 'cb-'.
 300          */
 301         function processNavlinkForDocument( $navlink, $idPrefix = 'cb-' ) {
 302                 if ( $navlink['id'] ) {
 303                         $navlink['single-id'] = $navlink['id']; // to allow for tooltip generation
 304                         $navlink['tooltiponly'] = true; // but no accesskeys
 305
 306                         // mangle or remove the id
 307                         if ( $idPrefix === false ) {
 308                                 unset( $navlink['id'] );
 309                         } else {
 310                                 $navlink['id'] = $idPrefix . $navlink['id'];
 311                         }
 312                 }
 313
 314                 return $navlink;
 315         }
 316
 317         /**
 318          * @return string
 319          */
 320         function beforeContent() {
 321                 ob_start();
 322                 ?>
 323                 <div id="content">
 324                 <div id="topbar">
 325                         <p id="sitetitle" role="banner">
 326                                 <a href="<?php echo htmlspecialchars( $this->data['nav_urls']['mainpage']['href'] ) ?>">
 327                                         <?php echo wfMessage( 'sitetitle' )->escaped() ?>
 328                                 </a>
 329                         </p>
 330
 331                         <p id="sitesub"><?php echo wfMessage( 'sitesubtitle' )->escaped() ?></p>
 332
 333                         <div id="linkcollection" role="navigation">
 334                                 <div id="langlinks"><?php echo str_replace( '<br />', '', $this->otherLanguages() ) ?></div>
 335                                 <?php echo $this->getSkin()->getCategories() ?>
 336                                 <div id="titlelinks"><?php echo $this->pageTitleLinks() ?></div>
 337                                 <?php
 338                                 if ( $this->data['newtalk'] ) {
 339                                         ?>
 340                                         <div class="usermessage"><strong><?php echo $this->data['newtalk'] ?></strong></div>
 341                                 <?php
 342                                 }
 343                                 ?>
 344                         </div>
 345                 </div>
 346                 <div id="article" class="mw-body" role="main">
 347                 <?php
 348                 if ( $this->getSkin()->getSiteNotice() ) {
 349                         ?>
 350                         <div id="siteNotice"><?php echo $this->getSkin()->getSiteNotice() ?></div>
 351                 <?php
 352                 }
 353                 ?>
 354                 <h1 id="firstHeading" lang="<?php
 355                 $this->data['pageLanguage'] = $this->getSkin()->getTitle()->getPageViewLanguage()->getHtmlCode();
 356                 $this->text( 'pageLanguage' );
 357                 ?>"><span dir="auto"><?php echo $this->data['title'] ?></span></h1>
 358                 <?php
 359                 if ( $this->translator->translate( 'tagline' ) ) {
 360                         ?>
 361                         <p class="tagline"><?php
 362                                 echo htmlspecialchars( $this->translator->translate( 'tagline' ) )
 363                                 ?></p>
 364                 <?php
 365                 }
 366                 ?>
 367                 <?php
 368                 if ( $this->getSkin()->getOutput()->getSubtitle() ) {
 369                         ?>
 370                         <p class="subtitle"><?php echo $this->getSkin()->getOutput()->getSubtitle() ?></p>
 371                 <?php
 372                 }
 373                 ?>
 374                 <?php
 375                 if ( $this->getSkin()->subPageSubtitle() ) {
 376                         ?>
 377                         <p class="subpages"><?php echo $this->getSkin()->subPageSubtitle() ?></p>
 378                 <?php
 379                 }
 380                 ?>
 381                 <?php
 382                 $s = ob_get_contents();
 383                 ob_end_clean();
 384
 385                 return $s;
 386         }
 387
 388         /**
 389          * @return string
 390          */
 391         function afterContent() {
 392                 ob_start();
 393                 ?>
 394                 </div>
 395                 <div id="footer">
 396                         <div id="footer-navigation" role="navigation">
 397                                 <?php
 398                                 // Page-related links
 399                                 echo $this->bottomLinks();
 400                                 echo "\n<br />";
 401
 402                                 // Footer and second searchbox
 403                                 echo $this->getSkin()->getLanguage()->pipeList( array(
 404                                         $this->getSkin()->mainPageLink(),
 405                                         $this->getSkin()->aboutLink(),
 406                                         $this->searchForm( 'footer' )
 407                                 ) );
 408                                 ?>
 409                         </div>
 410                         <div id="footer-info" role="contentinfo">
 411                                 <?php
 412                                 // Standard footer info
 413                                 $footlinks = $this->getFooterLinks();
 414                                 if ( $footlinks['info'] ) {
 415                                         foreach ( $footlinks['info'] as $item ) {
 416                                                 echo $this->data[$item] . ' ';
 417                                         }
 418                                 }
 419                                 ?>
 420                         </div>
 421                 </div>
 422                 </div>
 423                 <div id="mw-navigation">
 424                         <h2><?php echo wfMessage( 'navigation-heading' )->escaped() ?></h2>
 425
 426                         <div id="toplinks" role="navigation">
 427                                 <p id="syslinks"><?php echo $this->sysLinks() ?></p>
 428
 429                                 <p id="variantlinks"><?php echo $this->variantLinks() ?></p>
 430                         </div>
 431                         <?php echo $this->quickBar() ?>
 432                 </div>
 433                 <?php
 434                 $s = ob_get_contents();
 435                 ob_end_clean();
 436
 437                 return $s;
 438         }
 439
 440         /**
 441          * @return string
 442          */
 443         function sysLinks() {
 444                 $s = array(
 445                         $this->getSkin()->mainPageLink(),
 446                         Linker::linkKnown(
 447                                 Title::newFromText( wfMessage( 'aboutpage' )->inContentLanguage()->text() ),
 448                                 wfMessage( 'about' )->text()
 449                         ),
 450                         Linker::makeExternalLink(
 451                                 Skin::makeInternalOrExternalUrl( wfMessage( 'helppage' )->inContentLanguage()->text() ),
 452                                 wfMessage( 'help' )->text(),
 453                                 false
 454                         ),
 455                         Linker::linkKnown(
 456                                 Title::newFromText( wfMessage( 'faqpage' )->inContentLanguage()->text() ),
 457                                 wfMessage( 'faq' )->text()
 458                         ),
 459                 );
 460
 461                 $personalUrls = $this->getPersonalTools();
 462                 foreach ( array( 'logout', 'createaccount', 'login' ) as $key ) {
 463                         if ( $personalUrls[$key] ) {
 464                                 $s[] = $this->makeListItem( $key, $personalUrls[$key], array( 'tag' => 'span' ) );
 465                         }
 466                 }
 467
 468                 return $this->getSkin()->getLanguage()->pipeList( $s );
 469         }
 470
 471         /**
 472          * Adds CologneBlue-specific items to the sidebar: qbedit, qbpageoptions and qbmyoptions menus.
 473          *
 474          * @param array $bar Sidebar data
 475          * @return array Modified sidebar data
 476          */
 477         function sidebarAdditions( $bar ) {
 478                 // "This page" and "Edit" menus
 479                 // We need to do some massaging here... we reuse all of the items,
 480                 // except for $...['views']['view'], as $...['namespaces']['main'] and
 481                 // $...['namespaces']['talk'] together serve the same purpose. We also
 482                 // don't use $...['variants'], these are displayed in the top menu.
 483                 $content_navigation = $this->data['content_navigation'];
 484                 $qbpageoptions = array_merge(
 485                         $content_navigation['namespaces'],
 486                         array(
 487                                 'history' => $content_navigation['views']['history'],
 488                                 'watch' => $content_navigation['actions']['watch'],
 489                                 'unwatch' => $content_navigation['actions']['unwatch'],
 490                         )
 491                 );
 492                 $content_navigation['actions']['watch'] = null;
 493                 $content_navigation['actions']['unwatch'] = null;
 494                 $qbedit = array_merge(
 495                         array(
 496                                 'edit' => $content_navigation['views']['edit'],
 497                                 'addsection' => $content_navigation['views']['addsection'],
 498                         ),
 499                         $content_navigation['actions']
 500                 );
 501
 502                 // Personal tools ("My pages")
 503                 $qbmyoptions = $this->getPersonalTools();
 504                 foreach ( array( 'logout', 'createaccount', 'login', ) as $key ) {
 505                         $qbmyoptions[$key] = null;
 506                 }
 507
 508                 // Use the closest reasonable name
 509                 $bar['cactions'] = $qbedit;
 510                 $bar['pageoptions'] = $qbpageoptions; // this is a non-standard portlet name, but nothing fits
 511                 $bar['personal'] = $qbmyoptions;
 512
 513                 return $bar;
 514         }
 515
 516         /**
 517          * Compute the sidebar
 518          * @access private
 519          *
 520          * @return string
 521          */
 522         function quickBar() {
 523                 // Massage the sidebar. We want to:
 524                 // * place SEARCH at the beginning
 525                 // * add new portlets before TOOLBOX (or at the end, if it's missing)
 526                 // * remove LANGUAGES (langlinks are displayed elsewhere)
 527                 $orig_bar = $this->data['sidebar'];
 528                 $bar = array();
 529                 $hasToolbox = false;
 530
 531                 // Always display search first
 532                 $bar['SEARCH'] = true;
 533                 // Copy everything except for langlinks, inserting new items before toolbox
 534                 foreach ( $orig_bar as $heading => $data ) {
 535                         if ( $heading == 'TOOLBOX' ) {
 536                                 // Insert the stuff
 537                                 $bar = $this->sidebarAdditions( $bar );
 538                                 $hasToolbox = true;
 539                         }
 540
 541                         if ( $heading != 'LANGUAGES' ) {
 542                                 $bar[$heading] = $data;
 543                         }
 544                 }
 545                 // If toolbox is missing, add our items at the end
 546                 if ( !$hasToolbox ) {
 547                         $bar = $this->sidebarAdditions( $bar );
 548                 }
 549
 550                 // Fill out special sidebar items with content
 551                 $orig_bar = $bar;
 552                 $bar = array();
 553                 foreach ( $orig_bar as $heading => $data ) {
 554                         if ( $heading == 'SEARCH' ) {
 555                                 $bar['search'] = $this->searchForm( 'sidebar' );
 556                         } elseif ( $heading == 'TOOLBOX' ) {
 557                                 $bar['tb'] = $this->getToolbox();
 558                         } else {
 559                                 $bar[$heading] = $data;
 560                         }
 561                 }
 562
 563                 // Output the sidebar
 564                 // CologneBlue uses custom messages for some portlets, but we should keep the ids for consistency
 565                 $idToMessage = array(
 566                         'search' => 'qbfind',
 567                         'navigation' => 'qbbrowse',
 568                         'tb' => 'toolbox',
 569                         'cactions' => 'qbedit',
 570                         'personal' => 'qbmyoptions',
 571                         'pageoptions' => 'qbpageoptions',
 572                 );
 573
 574                 $s = "<div id='quickbar'>\n";
 575
 576                 foreach ( $bar as $heading => $data ) {
 577                         $portletId = Sanitizer::escapeId( "p-$heading" );
 578                         $headingMsg = wfMessage( $idToMessage[$heading] ? $idToMessage[$heading] : $heading );
 579                         $headingHTML = "<h3>";
 580                         $headingHTML .= $headingMsg->exists()
 581                                 ? $headingMsg->escaped()
 582                                 : htmlspecialchars( $heading );
 583                         $headingHTML .= "</h3>";
 584                         $listHTML = "";
 585
 586                         if ( is_array( $data ) ) {
 587                                 // $data is an array of links
 588                                 foreach ( $data as $key => $link ) {
 589                                         // Can be empty due to how the sidebar additions are done
 590                                         if ( $link ) {
 591                                                 $listHTML .= $this->makeListItem( $key, $link );
 592                                         }
 593                                 }
 594                                 if ( $listHTML ) {
 595                                         $listHTML = "<ul>$listHTML</ul>";
 596                                 }
 597                         } else {
 598                                 // $data is a HTML <ul>-list string
 599                                 $listHTML = $data;
 600                         }
 601
 602                         if ( $listHTML ) {
 603                                 $role = ( $heading == 'search' ) ? 'search' : 'navigation';
 604                                 $s .= "<div class=\"portlet\" id=\"$portletId\" "
 605                                         . "role=\"$role\">\n$headingHTML\n$listHTML\n</div>\n";
 606                         }
 607
 608                         $s .= $this->renderAfterPortlet( $heading );
 609                 }
 610
 611                 $s .= "</div>\n";
 612
 613                 return $s;
 614         }
 615
 616         /**
 617          * @param string $label
 618          * @return string
 619          */
 620         function searchForm( $which ) {
 621                 global $wgUseTwoButtonsSearchForm;
 622
 623                 $search = $this->getSkin()->getRequest()->getText( 'search' );
 624                 $action = $this->data['searchaction'];
 625                 $s = "<form id=\"searchform-" . htmlspecialchars( $which )
 626                         . "\" method=\"get\" class=\"inline\" action=\"$action\">";
 627                 if ( $which == 'footer' ) {
 628                         $s .= wfMessage( 'qbfind' )->text() . ": ";
 629                 }
 630
 631                 $s .= $this->makeSearchInput( array(
 632                         'class' => 'mw-searchInput',
 633                         'type' => 'text',
 634                         'size' => '14'
 635                 ) );
 636                 $s .= ( $which == 'footer' ? " " : "<br />" );
 637                 $s .= $this->makeSearchButton( 'go', array( 'class' => 'searchButton' ) );
 638
 639                 if ( $wgUseTwoButtonsSearchForm ) {
 640                         $s .= $this->makeSearchButton( 'fulltext', array( 'class' => 'searchButton' ) );
 641                 } else {
 642                         $s .= '<div><a href="' . $action . '" rel="search">'
 643                                 . wfMessage( 'powersearch-legend' )->escaped() . "</a></div>\n";
 644                 }
 645
 646                 $s .= '</form>';
 647
 648                 return $s;
 649         }
 650 }