MediaWiki
master
|
00001 <?php 00030 class SpecialSearch extends SpecialPage { 00039 protected $profile; 00040 function getProfile() { return $this->profile; } 00041 00043 protected $searchEngine; 00044 00046 protected $extraParams = array(); 00047 00049 protected $mPrefix; 00050 00054 protected $limit, $offset; 00055 00059 protected $namespaces; 00060 function getNamespaces() { return $this->namespaces; } 00061 00065 protected $searchRedirects; 00066 00070 protected $didYouMeanHtml, $fulltext; 00071 00072 const NAMESPACES_CURRENT = 'sense'; 00073 00074 public function __construct() { 00075 parent::__construct( 'Search' ); 00076 } 00077 00083 public function execute( $par ) { 00084 $this->setHeaders(); 00085 $this->outputHeader(); 00086 $out = $this->getOutput(); 00087 $out->allowClickjacking(); 00088 $out->addModuleStyles( 'mediawiki.special' ); 00089 00090 // Strip underscores from title parameter; most of the time we'll want 00091 // text form here. But don't strip underscores from actual text params! 00092 $titleParam = str_replace( '_', ' ', $par ); 00093 00094 $request = $this->getRequest(); 00095 00096 // Fetch the search term 00097 $search = str_replace( "\n", " ", $request->getText( 'search', $titleParam ) ); 00098 00099 $this->load(); 00100 00101 if ( $request->getVal( 'fulltext' ) 00102 || !is_null( $request->getVal( 'offset' ) ) 00103 || !is_null( $request->getVal( 'searchx' ) ) ) 00104 { 00105 $this->showResults( $search ); 00106 } else { 00107 $this->goResult( $search ); 00108 } 00109 } 00110 00116 public function load() { 00117 $request = $this->getRequest(); 00118 list( $this->limit, $this->offset ) = $request->getLimitOffset( 20, 'searchlimit' ); 00119 $this->mPrefix = $request->getVal( 'prefix', '' ); 00120 00121 $user = $this->getUser(); 00122 00123 # Extract manually requested namespaces 00124 $nslist = $this->powerSearch( $request ); 00125 if ( !count( $nslist ) ) { 00126 # Fallback to user preference 00127 $nslist = SearchEngine::userNamespaces( $user ); 00128 } 00129 00130 $profile = null; 00131 if ( !count( $nslist ) ) { 00132 $profile = 'default'; 00133 } 00134 00135 $profile = $request->getVal( 'profile', $profile ); 00136 $profiles = $this->getSearchProfiles(); 00137 if ( $profile === null ) { 00138 // BC with old request format 00139 $profile = 'advanced'; 00140 foreach( $profiles as $key => $data ) { 00141 if ( $nslist === $data['namespaces'] && $key !== 'advanced') { 00142 $profile = $key; 00143 } 00144 } 00145 $this->namespaces = $nslist; 00146 } elseif ( $profile === 'advanced' ) { 00147 $this->namespaces = $nslist; 00148 } else { 00149 if ( isset( $profiles[$profile]['namespaces'] ) ) { 00150 $this->namespaces = $profiles[$profile]['namespaces']; 00151 } else { 00152 // Unknown profile requested 00153 $profile = 'default'; 00154 $this->namespaces = $profiles['default']['namespaces']; 00155 } 00156 } 00157 00158 // Redirects defaults to true, but we don't know whether it was ticked of or just missing 00159 $default = $request->getBool( 'profile' ) ? 0 : 1; 00160 $this->searchRedirects = $request->getBool( 'redirs', $default ) ? 1 : 0; 00161 $this->didYouMeanHtml = ''; # html of did you mean... link 00162 $this->fulltext = $request->getVal('fulltext'); 00163 $this->profile = $profile; 00164 } 00165 00171 public function goResult( $term ) { 00172 $this->setupPage( $term ); 00173 # Try to go to page as entered. 00174 $t = Title::newFromText( $term ); 00175 # If the string cannot be used to create a title 00176 if( is_null( $t ) ) { 00177 $this->showResults( $term ); 00178 return; 00179 } 00180 # If there's an exact or very near match, jump right there. 00181 $t = SearchEngine::getNearMatch( $term ); 00182 00183 if ( !wfRunHooks( 'SpecialSearchGo', array( &$t, &$term ) ) ) { 00184 # Hook requested termination 00185 return; 00186 } 00187 00188 if( !is_null( $t ) ) { 00189 $this->getOutput()->redirect( $t->getFullURL() ); 00190 return; 00191 } 00192 # No match, generate an edit URL 00193 $t = Title::newFromText( $term ); 00194 if( !is_null( $t ) ) { 00195 global $wgGoToEdit; 00196 wfRunHooks( 'SpecialSearchNogomatch', array( &$t ) ); 00197 wfDebugLog( 'nogomatch', $t->getText(), false ); 00198 00199 # If the feature is enabled, go straight to the edit page 00200 if( $wgGoToEdit ) { 00201 $this->getOutput()->redirect( $t->getFullURL( array( 'action' => 'edit' ) ) ); 00202 return; 00203 } 00204 } 00205 $this->showResults( $term ); 00206 } 00207 00211 public function showResults( $term ) { 00212 global $wgDisableTextSearch, $wgSearchForwardUrl, $wgContLang, $wgScript; 00213 wfProfileIn( __METHOD__ ); 00214 00215 $search = $this->getSearchEngine(); 00216 $search->setLimitOffset( $this->limit, $this->offset ); 00217 $search->setNamespaces( $this->namespaces ); 00218 $search->showRedirects = $this->searchRedirects; // BC 00219 $search->setFeatureData( 'list-redirects', $this->searchRedirects ); 00220 $search->prefix = $this->mPrefix; 00221 $term = $search->transformSearchTerm($term); 00222 00223 wfRunHooks( 'SpecialSearchSetupEngine', array( $this, $this->profile, $search ) ); 00224 00225 $this->setupPage( $term ); 00226 00227 $out = $this->getOutput(); 00228 00229 if ( $wgDisableTextSearch ) { 00230 if ( $wgSearchForwardUrl ) { 00231 $url = str_replace( '$1', urlencode( $term ), $wgSearchForwardUrl ); 00232 $out->redirect( $url ); 00233 } else { 00234 $out->addHTML( 00235 Xml::openElement( 'fieldset' ) . 00236 Xml::element( 'legend', null, $this->msg( 'search-external' )->text() ) . 00237 Xml::element( 'p', array( 'class' => 'mw-searchdisabled' ), $this->msg( 'searchdisabled' )->text() ) . 00238 $this->msg( 'googlesearch' )->rawParams( 00239 htmlspecialchars( $term ), 00240 'UTF-8', 00241 $this->msg( 'searchbutton' )->escaped() 00242 )->text() . 00243 Xml::closeElement( 'fieldset' ) 00244 ); 00245 } 00246 wfProfileOut( __METHOD__ ); 00247 return; 00248 } 00249 00250 $t = Title::newFromText( $term ); 00251 00252 // fetch search results 00253 $rewritten = $search->replacePrefixes($term); 00254 00255 $titleMatches = $search->searchTitle( $rewritten ); 00256 if( !( $titleMatches instanceof SearchResultTooMany ) ) { 00257 $textMatches = $search->searchText( $rewritten ); 00258 } 00259 00260 // did you mean... suggestions 00261 if( $textMatches && $textMatches->hasSuggestion() ) { 00262 $st = SpecialPage::getTitleFor( 'Search' ); 00263 00264 # mirror Go/Search behaviour of original request .. 00265 $didYouMeanParams = array( 'search' => $textMatches->getSuggestionQuery() ); 00266 00267 if( $this->fulltext != null ) { 00268 $didYouMeanParams['fulltext'] = $this->fulltext; 00269 } 00270 00271 $stParams = array_merge( 00272 $didYouMeanParams, 00273 $this->powerSearchOptions() 00274 ); 00275 00276 $suggestionSnippet = $textMatches->getSuggestionSnippet(); 00277 00278 if( $suggestionSnippet == '' ) { 00279 $suggestionSnippet = null; 00280 } 00281 00282 $suggestLink = Linker::linkKnown( 00283 $st, 00284 $suggestionSnippet, 00285 array(), 00286 $stParams 00287 ); 00288 00289 $this->didYouMeanHtml = '<div class="searchdidyoumean">' . $this->msg( 'search-suggest' )->rawParams( $suggestLink )->text() . '</div>'; 00290 } 00291 // start rendering the page 00292 $out->addHtml( 00293 Xml::openElement( 00294 'form', 00295 array( 00296 'id' => ( $this->profile === 'advanced' ? 'powersearch' : 'search' ), 00297 'method' => 'get', 00298 'action' => $wgScript 00299 ) 00300 ) 00301 ); 00302 $out->addHtml( 00303 Xml::openElement( 'table', array( 'id' => 'mw-search-top-table', 'cellpadding' => 0, 'cellspacing' => 0 ) ) . 00304 Xml::openElement( 'tr' ) . 00305 Xml::openElement( 'td' ) . "\n" . 00306 $this->shortDialog( $term ) . 00307 Xml::closeElement('td') . 00308 Xml::closeElement('tr') . 00309 Xml::closeElement('table') 00310 ); 00311 00312 // Sometimes the search engine knows there are too many hits 00313 if( $titleMatches instanceof SearchResultTooMany ) { 00314 $out->wrapWikiMsg( "==$1==\n", 'toomanymatches' ); 00315 wfProfileOut( __METHOD__ ); 00316 return; 00317 } 00318 00319 $filePrefix = $wgContLang->getFormattedNsText(NS_FILE).':'; 00320 if( trim( $term ) === '' || $filePrefix === trim( $term ) ) { 00321 $out->addHTML( $this->formHeader( $term, 0, 0 ) ); 00322 $out->addHtml( $this->getProfileForm( $this->profile, $term ) ); 00323 $out->addHTML( '</form>' ); 00324 // Empty query -- straight view of search form 00325 wfProfileOut( __METHOD__ ); 00326 return; 00327 } 00328 00329 // Get number of results 00330 $titleMatchesNum = $titleMatches ? $titleMatches->numRows() : 0; 00331 $textMatchesNum = $textMatches ? $textMatches->numRows() : 0; 00332 // Total initial query matches (possible false positives) 00333 $num = $titleMatchesNum + $textMatchesNum; 00334 00335 // Get total actual results (after second filtering, if any) 00336 $numTitleMatches = $titleMatches && !is_null( $titleMatches->getTotalHits() ) ? 00337 $titleMatches->getTotalHits() : $titleMatchesNum; 00338 $numTextMatches = $textMatches && !is_null( $textMatches->getTotalHits() ) ? 00339 $textMatches->getTotalHits() : $textMatchesNum; 00340 00341 // get total number of results if backend can calculate it 00342 $totalRes = 0; 00343 if($titleMatches && !is_null( $titleMatches->getTotalHits() ) ) 00344 $totalRes += $titleMatches->getTotalHits(); 00345 if($textMatches && !is_null( $textMatches->getTotalHits() )) 00346 $totalRes += $textMatches->getTotalHits(); 00347 00348 // show number of results and current offset 00349 $out->addHTML( $this->formHeader( $term, $num, $totalRes ) ); 00350 $out->addHtml( $this->getProfileForm( $this->profile, $term ) ); 00351 00352 00353 $out->addHtml( Xml::closeElement( 'form' ) ); 00354 $out->addHtml( "<div class='searchresults'>" ); 00355 00356 // prev/next links 00357 if( $num || $this->offset ) { 00358 // Show the create link ahead 00359 $this->showCreateLink( $t ); 00360 $prevnext = $this->getLanguage()->viewPrevNext( $this->getTitle(), $this->offset, $this->limit, 00361 $this->powerSearchOptions() + array( 'search' => $term ), 00362 max( $titleMatchesNum, $textMatchesNum ) < $this->limit 00363 ); 00364 //$out->addHTML( "<p class='mw-search-pager-top'>{$prevnext}</p>\n" ); 00365 wfRunHooks( 'SpecialSearchResults', array( $term, &$titleMatches, &$textMatches ) ); 00366 } else { 00367 wfRunHooks( 'SpecialSearchNoResults', array( $term ) ); 00368 } 00369 00370 $out->parserOptions()->setEditSection( false ); 00371 if( $titleMatches ) { 00372 if( $numTitleMatches > 0 ) { 00373 $out->wrapWikiMsg( "==$1==\n", 'titlematches' ); 00374 $out->addHTML( $this->showMatches( $titleMatches ) ); 00375 } 00376 $titleMatches->free(); 00377 } 00378 if( $textMatches ) { 00379 // output appropriate heading 00380 if( $numTextMatches > 0 && $numTitleMatches > 0 ) { 00381 // if no title matches the heading is redundant 00382 $out->wrapWikiMsg( "==$1==\n", 'textmatches' ); 00383 } elseif( $totalRes == 0 ) { 00384 # Don't show the 'no text matches' if we received title matches 00385 # $out->wrapWikiMsg( "==$1==\n", 'notextmatches' ); 00386 } 00387 // show interwiki results if any 00388 if( $textMatches->hasInterwikiResults() ) { 00389 $out->addHTML( $this->showInterwiki( $textMatches->getInterwikiResults(), $term ) ); 00390 } 00391 // show results 00392 if( $numTextMatches > 0 ) { 00393 $out->addHTML( $this->showMatches( $textMatches ) ); 00394 } 00395 00396 $textMatches->free(); 00397 } 00398 if( $num === 0 ) { 00399 $out->wrapWikiMsg( "<p class=\"mw-search-nonefound\">\n$1</p>", array( 'search-nonefound', wfEscapeWikiText( $term ) ) ); 00400 $this->showCreateLink( $t ); 00401 } 00402 $out->addHtml( "</div>" ); 00403 00404 if( $num || $this->offset ) { 00405 $out->addHTML( "<p class='mw-search-pager-bottom'>{$prevnext}</p>\n" ); 00406 } 00407 wfProfileOut( __METHOD__ ); 00408 } 00409 00413 protected function showCreateLink( $t ) { 00414 // show direct page/create link if applicable 00415 00416 // Check DBkey !== '' in case of fragment link only. 00417 if( is_null( $t ) || $t->getDBkey() === '' ) { 00418 // invalid title 00419 // preserve the paragraph for margins etc... 00420 $this->getOutput()->addHtml( '<p></p>' ); 00421 return; 00422 } 00423 00424 if( $t->isKnown() ) { 00425 $messageName = 'searchmenu-exists'; 00426 } elseif( $t->userCan( 'create', $this->getUser() ) ) { 00427 $messageName = 'searchmenu-new'; 00428 } else { 00429 $messageName = 'searchmenu-new-nocreate'; 00430 } 00431 $params = array( $messageName, wfEscapeWikiText( $t->getPrefixedText() ) ); 00432 wfRunHooks( 'SpecialSearchCreateLink', array( $t, &$params ) ); 00433 00434 // Extensions using the hook might still return an empty $messageName 00435 if( $messageName ) { 00436 $this->getOutput()->wrapWikiMsg( "<p class=\"mw-search-createlink\">\n$1</p>", $params ); 00437 } else { 00438 // preserve the paragraph for margins etc... 00439 $this->getOutput()->addHtml( '<p></p>' ); 00440 } 00441 } 00442 00446 protected function setupPage( $term ) { 00447 # Should advanced UI be used? 00448 $this->searchAdvanced = ($this->profile === 'advanced'); 00449 $out = $this->getOutput(); 00450 if( strval( $term ) !== '' ) { 00451 $out->setPageTitle( $this->msg( 'searchresults' ) ); 00452 $out->setHTMLTitle( $this->msg( 'pagetitle' )->rawParams( 00453 $this->msg( 'searchresults-title' )->rawParams( $term )->text() 00454 ) ); 00455 } 00456 // add javascript specific to special:search 00457 $out->addModules( 'mediawiki.special.search' ); 00458 } 00459 00467 protected function powerSearch( &$request ) { 00468 $arr = array(); 00469 foreach( SearchEngine::searchableNamespaces() as $ns => $name ) { 00470 if( $request->getCheck( 'ns' . $ns ) ) { 00471 $arr[] = $ns; 00472 } 00473 } 00474 00475 return $arr; 00476 } 00477 00483 protected function powerSearchOptions() { 00484 $opt = array(); 00485 $opt['redirs'] = $this->searchRedirects ? 1 : 0; 00486 if( $this->profile !== 'advanced' ) { 00487 $opt['profile'] = $this->profile; 00488 } else { 00489 foreach( $this->namespaces as $n ) { 00490 $opt['ns' . $n] = 1; 00491 } 00492 } 00493 return $opt + $this->extraParams; 00494 } 00495 00503 protected function showMatches( &$matches ) { 00504 global $wgContLang; 00505 wfProfileIn( __METHOD__ ); 00506 00507 $terms = $wgContLang->convertForSearchResult( $matches->termMatches() ); 00508 00509 $out = ""; 00510 $infoLine = $matches->getInfo(); 00511 if( !is_null($infoLine) ) { 00512 $out .= "\n<!-- {$infoLine} -->\n"; 00513 } 00514 $out .= "<ul class='mw-search-results'>\n"; 00515 $result = $matches->next(); 00516 while( $result ) { 00517 $out .= $this->showHit( $result, $terms ); 00518 $result = $matches->next(); 00519 } 00520 $out .= "</ul>\n"; 00521 00522 // convert the whole thing to desired language variant 00523 $out = $wgContLang->convert( $out ); 00524 wfProfileOut( __METHOD__ ); 00525 return $out; 00526 } 00527 00536 protected function showHit( $result, $terms ) { 00537 wfProfileIn( __METHOD__ ); 00538 00539 if( $result->isBrokenTitle() ) { 00540 wfProfileOut( __METHOD__ ); 00541 return "<!-- Broken link in search result -->\n"; 00542 } 00543 00544 $t = $result->getTitle(); 00545 00546 $titleSnippet = $result->getTitleSnippet($terms); 00547 00548 if( $titleSnippet == '' ) 00549 $titleSnippet = null; 00550 00551 $link_t = clone $t; 00552 00553 wfRunHooks( 'ShowSearchHitTitle', 00554 array( &$link_t, &$titleSnippet, $result, $terms, $this ) ); 00555 00556 $link = Linker::linkKnown( 00557 $link_t, 00558 $titleSnippet 00559 ); 00560 00561 //If page content is not readable, just return the title. 00562 //This is not quite safe, but better than showing excerpts from non-readable pages 00563 //Note that hiding the entry entirely would screw up paging. 00564 if( !$t->userCan( 'read', $this->getUser() ) ) { 00565 wfProfileOut( __METHOD__ ); 00566 return "<li>{$link}</li>\n"; 00567 } 00568 00569 // If the page doesn't *exist*... our search index is out of date. 00570 // The least confusing at this point is to drop the result. 00571 // You may get less results, but... oh well. :P 00572 if( $result->isMissingRevision() ) { 00573 wfProfileOut( __METHOD__ ); 00574 return "<!-- missing page " . htmlspecialchars( $t->getPrefixedText() ) . "-->\n"; 00575 } 00576 00577 // format redirects / relevant sections 00578 $redirectTitle = $result->getRedirectTitle(); 00579 $redirectText = $result->getRedirectSnippet($terms); 00580 $sectionTitle = $result->getSectionTitle(); 00581 $sectionText = $result->getSectionSnippet($terms); 00582 $redirect = ''; 00583 00584 if( !is_null($redirectTitle) ) { 00585 if( $redirectText == '' ) 00586 $redirectText = null; 00587 00588 $redirect = "<span class='searchalttitle'>" . 00589 $this->msg( 'search-redirect' )->rawParams( 00590 Linker::linkKnown( $redirectTitle, $redirectText ) )->text() . 00591 "</span>"; 00592 } 00593 00594 $section = ''; 00595 00596 if( !is_null($sectionTitle) ) { 00597 if( $sectionText == '' ) 00598 $sectionText = null; 00599 00600 $section = "<span class='searchalttitle'>" . 00601 $this->msg( 'search-section' )->rawParams( 00602 Linker::linkKnown( $sectionTitle, $sectionText ) )->text() . 00603 "</span>"; 00604 } 00605 00606 // format text extract 00607 $extract = "<div class='searchresult'>".$result->getTextSnippet($terms)."</div>"; 00608 00609 $lang = $this->getLanguage(); 00610 00611 // format score 00612 if( is_null( $result->getScore() ) ) { 00613 // Search engine doesn't report scoring info 00614 $score = ''; 00615 } else { 00616 $percent = sprintf( '%2.1f', $result->getScore() * 100 ); 00617 $score = $this->msg( 'search-result-score' )->numParams( $percent )->text() 00618 . ' - '; 00619 } 00620 00621 // format description 00622 $byteSize = $result->getByteSize(); 00623 $wordCount = $result->getWordCount(); 00624 $timestamp = $result->getTimestamp(); 00625 $size = $this->msg( 'search-result-size', $lang->formatSize( $byteSize ) ) 00626 ->numParams( $wordCount )->escaped(); 00627 00628 if( $t->getNamespace() == NS_CATEGORY ) { 00629 $cat = Category::newFromTitle( $t ); 00630 $size = $this->msg( 'search-result-category-size' ) 00631 ->numParams( $cat->getPageCount(), $cat->getSubcatCount(), $cat->getFileCount() ) 00632 ->escaped(); 00633 } 00634 00635 $date = $lang->userTimeAndDate( $timestamp, $this->getUser() ); 00636 00637 // link to related articles if supported 00638 $related = ''; 00639 if( $result->hasRelated() ) { 00640 $st = SpecialPage::getTitleFor( 'Search' ); 00641 $stParams = array_merge( 00642 $this->powerSearchOptions(), 00643 array( 00644 'search' => $this->msg( 'searchrelated' )->inContentLanguage()->text() . 00645 ':' . $t->getPrefixedText(), 00646 'fulltext' => $this->msg( 'search' )->text() 00647 ) 00648 ); 00649 00650 $related = ' -- ' . Linker::linkKnown( 00651 $st, 00652 $this->msg( 'search-relatedarticle' )->text(), 00653 array(), 00654 $stParams 00655 ); 00656 } 00657 00658 // Include a thumbnail for media files... 00659 if( $t->getNamespace() == NS_FILE ) { 00660 $img = wfFindFile( $t ); 00661 if( $img ) { 00662 $thumb = $img->transform( array( 'width' => 120, 'height' => 120 ) ); 00663 if( $thumb ) { 00664 $desc = $this->msg( 'parentheses' )->rawParams( $img->getShortDesc() )->escaped(); 00665 wfProfileOut( __METHOD__ ); 00666 // Float doesn't seem to interact well with the bullets. 00667 // Table messes up vertical alignment of the bullets. 00668 // Bullets are therefore disabled (didn't look great anyway). 00669 return "<li>" . 00670 '<table class="searchResultImage">' . 00671 '<tr>' . 00672 '<td style="width: 120px; text-align: center; vertical-align: top;">' . 00673 $thumb->toHtml( array( 'desc-link' => true ) ) . 00674 '</td>' . 00675 '<td style="vertical-align: top;">' . 00676 $link . 00677 $extract . 00678 "<div class='mw-search-result-data'>{$score}{$desc} - {$date}{$related}</div>" . 00679 '</td>' . 00680 '</tr>' . 00681 '</table>' . 00682 "</li>\n"; 00683 } 00684 } 00685 } 00686 00687 $html = null; 00688 00689 if ( wfRunHooks( 'ShowSearchHit', array ( 00690 $this, $result, $terms, 00691 &$link, &$redirect, &$section, &$extract, 00692 &$score, &$size, &$date, &$related, 00693 &$html 00694 ) ) ) { 00695 $html = "<li><div class='mw-search-result-heading'>{$link} {$redirect} {$section}</div> {$extract}\n" . 00696 "<div class='mw-search-result-data'>{$score}{$size} - {$date}{$related}</div>" . 00697 "</li>\n"; 00698 } 00699 00700 wfProfileOut( __METHOD__ ); 00701 return $html; 00702 } 00703 00712 protected function showInterwiki( &$matches, $query ) { 00713 global $wgContLang; 00714 wfProfileIn( __METHOD__ ); 00715 $terms = $wgContLang->convertForSearchResult( $matches->termMatches() ); 00716 00717 $out = "<div id='mw-search-interwiki'><div id='mw-search-interwiki-caption'>". 00718 $this->msg( 'search-interwiki-caption' )->text() . "</div>\n"; 00719 $out .= "<ul class='mw-search-iwresults'>\n"; 00720 00721 // work out custom project captions 00722 $customCaptions = array(); 00723 $customLines = explode( "\n", $this->msg( 'search-interwiki-custom' )->text() ); // format per line <iwprefix>:<caption> 00724 foreach($customLines as $line) { 00725 $parts = explode(":",$line,2); 00726 if(count($parts) == 2) // validate line 00727 $customCaptions[$parts[0]] = $parts[1]; 00728 } 00729 00730 $prev = null; 00731 $result = $matches->next(); 00732 while( $result ) { 00733 $out .= $this->showInterwikiHit( $result, $prev, $terms, $query, $customCaptions ); 00734 $prev = $result->getInterwikiPrefix(); 00735 $result = $matches->next(); 00736 } 00737 // TODO: should support paging in a non-confusing way (not sure how though, maybe via ajax).. 00738 $out .= "</ul></div>\n"; 00739 00740 // convert the whole thing to desired language variant 00741 $out = $wgContLang->convert( $out ); 00742 wfProfileOut( __METHOD__ ); 00743 return $out; 00744 } 00745 00757 protected function showInterwikiHit( $result, $lastInterwiki, $terms, $query, $customCaptions) { 00758 wfProfileIn( __METHOD__ ); 00759 00760 if( $result->isBrokenTitle() ) { 00761 wfProfileOut( __METHOD__ ); 00762 return "<!-- Broken link in search result -->\n"; 00763 } 00764 00765 $t = $result->getTitle(); 00766 00767 $titleSnippet = $result->getTitleSnippet($terms); 00768 00769 if( $titleSnippet == '' ) 00770 $titleSnippet = null; 00771 00772 $link = Linker::linkKnown( 00773 $t, 00774 $titleSnippet 00775 ); 00776 00777 // format redirect if any 00778 $redirectTitle = $result->getRedirectTitle(); 00779 $redirectText = $result->getRedirectSnippet($terms); 00780 $redirect = ''; 00781 if( !is_null($redirectTitle) ) { 00782 if( $redirectText == '' ) 00783 $redirectText = null; 00784 00785 $redirect = "<span class='searchalttitle'>" . 00786 $this->msg( 'search-redirect' )->rawParams( 00787 Linker::linkKnown( $redirectTitle, $redirectText ) )->text() . 00788 "</span>"; 00789 } 00790 00791 $out = ""; 00792 // display project name 00793 if(is_null($lastInterwiki) || $lastInterwiki != $t->getInterwiki()) { 00794 if( array_key_exists($t->getInterwiki(),$customCaptions) ) { 00795 // captions from 'search-interwiki-custom' 00796 $caption = $customCaptions[$t->getInterwiki()]; 00797 } else { 00798 // default is to show the hostname of the other wiki which might suck 00799 // if there are many wikis on one hostname 00800 $parsed = wfParseUrl( $t->getFullURL() ); 00801 $caption = $this->msg( 'search-interwiki-default', $parsed['host'] )->text(); 00802 } 00803 // "more results" link (special page stuff could be localized, but we might not know target lang) 00804 $searchTitle = Title::newFromText($t->getInterwiki().":Special:Search"); 00805 $searchLink = Linker::linkKnown( 00806 $searchTitle, 00807 $this->msg( 'search-interwiki-more' )->text(), 00808 array(), 00809 array( 00810 'search' => $query, 00811 'fulltext' => 'Search' 00812 ) 00813 ); 00814 $out .= "</ul><div class='mw-search-interwiki-project'><span class='mw-search-interwiki-more'> 00815 {$searchLink}</span>{$caption}</div>\n<ul>"; 00816 } 00817 00818 $out .= "<li>{$link} {$redirect}</li>\n"; 00819 wfProfileOut( __METHOD__ ); 00820 return $out; 00821 } 00822 00828 protected function getProfileForm( $profile, $term ) { 00829 // Hidden stuff 00830 $opts = array(); 00831 $opts['redirs'] = $this->searchRedirects; 00832 $opts['profile'] = $this->profile; 00833 00834 if ( $profile === 'advanced' ) { 00835 return $this->powerSearchBox( $term, $opts ); 00836 } else { 00837 $form = ''; 00838 wfRunHooks( 'SpecialSearchProfileForm', array( $this, &$form, $profile, $term, $opts ) ); 00839 return $form; 00840 } 00841 } 00842 00850 protected function powerSearchBox( $term, $opts ) { 00851 // Groups namespaces into rows according to subject 00852 $rows = array(); 00853 foreach( SearchEngine::searchableNamespaces() as $namespace => $name ) { 00854 $subject = MWNamespace::getSubject( $namespace ); 00855 if( !array_key_exists( $subject, $rows ) ) { 00856 $rows[$subject] = ""; 00857 } 00858 $name = str_replace( '_', ' ', $name ); 00859 if( $name == '' ) { 00860 $name = $this->msg( 'blanknamespace' )->text(); 00861 } 00862 $rows[$subject] .= 00863 Xml::openElement( 00864 'td', array( 'style' => 'white-space: nowrap' ) 00865 ) . 00866 Xml::checkLabel( 00867 $name, 00868 "ns{$namespace}", 00869 "mw-search-ns{$namespace}", 00870 in_array( $namespace, $this->namespaces ) 00871 ) . 00872 Xml::closeElement( 'td' ); 00873 } 00874 $rows = array_values( $rows ); 00875 $numRows = count( $rows ); 00876 00877 // Lays out namespaces in multiple floating two-column tables so they'll 00878 // be arranged nicely while still accommodating different screen widths 00879 $namespaceTables = ''; 00880 for( $i = 0; $i < $numRows; $i += 4 ) { 00881 $namespaceTables .= Xml::openElement( 00882 'table', 00883 array( 'cellpadding' => 0, 'cellspacing' => 0 ) 00884 ); 00885 for( $j = $i; $j < $i + 4 && $j < $numRows; $j++ ) { 00886 $namespaceTables .= Xml::tags( 'tr', null, $rows[$j] ); 00887 } 00888 $namespaceTables .= Xml::closeElement( 'table' ); 00889 } 00890 00891 $showSections = array( 'namespaceTables' => $namespaceTables ); 00892 00893 // Show redirects check only if backend supports it 00894 if( $this->getSearchEngine()->supports( 'list-redirects' ) ) { 00895 $showSections['redirects'] = 00896 Xml::checkLabel( $this->msg( 'powersearch-redir' )->text(), 'redirs', 'redirs', $this->searchRedirects ); 00897 } 00898 00899 wfRunHooks( 'SpecialSearchPowerBox', array( &$showSections, $term, $opts ) ); 00900 00901 $hidden = ''; 00902 unset( $opts['redirs'] ); 00903 foreach( $opts as $key => $value ) { 00904 $hidden .= Html::hidden( $key, $value ); 00905 } 00906 // Return final output 00907 return 00908 Xml::openElement( 00909 'fieldset', 00910 array( 'id' => 'mw-searchoptions', 'style' => 'margin:0em;' ) 00911 ) . 00912 Xml::element( 'legend', null, $this->msg('powersearch-legend' )->text() ) . 00913 Xml::tags( 'h4', null, $this->msg( 'powersearch-ns' )->parse() ) . 00914 Html::element( 'div', array( 'id' => 'mw-search-togglebox' ) ) . 00915 Xml::element( 'div', array( 'class' => 'divider' ), '', false ) . 00916 implode( Xml::element( 'div', array( 'class' => 'divider' ), '', false ), $showSections ) . 00917 $hidden . 00918 Xml::closeElement( 'fieldset' ); 00919 } 00920 00924 protected function getSearchProfiles() { 00925 // Builds list of Search Types (profiles) 00926 $nsAllSet = array_keys( SearchEngine::searchableNamespaces() ); 00927 00928 $profiles = array( 00929 'default' => array( 00930 'message' => 'searchprofile-articles', 00931 'tooltip' => 'searchprofile-articles-tooltip', 00932 'namespaces' => SearchEngine::defaultNamespaces(), 00933 'namespace-messages' => SearchEngine::namespacesAsText( 00934 SearchEngine::defaultNamespaces() 00935 ), 00936 ), 00937 'images' => array( 00938 'message' => 'searchprofile-images', 00939 'tooltip' => 'searchprofile-images-tooltip', 00940 'namespaces' => array( NS_FILE ), 00941 ), 00942 'help' => array( 00943 'message' => 'searchprofile-project', 00944 'tooltip' => 'searchprofile-project-tooltip', 00945 'namespaces' => SearchEngine::helpNamespaces(), 00946 'namespace-messages' => SearchEngine::namespacesAsText( 00947 SearchEngine::helpNamespaces() 00948 ), 00949 ), 00950 'all' => array( 00951 'message' => 'searchprofile-everything', 00952 'tooltip' => 'searchprofile-everything-tooltip', 00953 'namespaces' => $nsAllSet, 00954 ), 00955 'advanced' => array( 00956 'message' => 'searchprofile-advanced', 00957 'tooltip' => 'searchprofile-advanced-tooltip', 00958 'namespaces' => self::NAMESPACES_CURRENT, 00959 ) 00960 ); 00961 00962 wfRunHooks( 'SpecialSearchProfiles', array( &$profiles ) ); 00963 00964 foreach( $profiles as &$data ) { 00965 if ( !is_array( $data['namespaces'] ) ) continue; 00966 sort( $data['namespaces'] ); 00967 } 00968 00969 return $profiles; 00970 } 00971 00978 protected function formHeader( $term, $resultsShown, $totalNum ) { 00979 $out = Xml::openElement('div', array( 'class' => 'mw-search-formheader' ) ); 00980 00981 $bareterm = $term; 00982 if( $this->startsWithImage( $term ) ) { 00983 // Deletes prefixes 00984 $bareterm = substr( $term, strpos( $term, ':' ) + 1 ); 00985 } 00986 00987 $profiles = $this->getSearchProfiles(); 00988 $lang = $this->getLanguage(); 00989 00990 // Outputs XML for Search Types 00991 $out .= Xml::openElement( 'div', array( 'class' => 'search-types' ) ); 00992 $out .= Xml::openElement( 'ul' ); 00993 foreach ( $profiles as $id => $profile ) { 00994 if ( !isset( $profile['parameters'] ) ) { 00995 $profile['parameters'] = array(); 00996 } 00997 $profile['parameters']['profile'] = $id; 00998 00999 $tooltipParam = isset( $profile['namespace-messages'] ) ? 01000 $lang->commaList( $profile['namespace-messages'] ) : null; 01001 $out .= Xml::tags( 01002 'li', 01003 array( 01004 'class' => $this->profile === $id ? 'current' : 'normal' 01005 ), 01006 $this->makeSearchLink( 01007 $bareterm, 01008 array(), 01009 $this->msg( $profile['message'] )->text(), 01010 $this->msg( $profile['tooltip'], $tooltipParam )->text(), 01011 $profile['parameters'] 01012 ) 01013 ); 01014 } 01015 $out .= Xml::closeElement( 'ul' ); 01016 $out .= Xml::closeElement('div') ; 01017 01018 // Results-info 01019 if ( $resultsShown > 0 ) { 01020 if ( $totalNum > 0 ){ 01021 $top = $this->msg( 'showingresultsheader' ) 01022 ->numParams( $this->offset + 1, $this->offset + $resultsShown, $totalNum ) 01023 ->params( wfEscapeWikiText( $term ) ) 01024 ->numParams( $resultsShown ) 01025 ->parse(); 01026 } elseif ( $resultsShown >= $this->limit ) { 01027 $top = $this->msg( 'showingresults' ) 01028 ->numParams( $this->limit, $this->offset + 1 ) 01029 ->parse(); 01030 } else { 01031 $top = $this->msg( 'showingresultsnum' ) 01032 ->numParams( $this->limit, $this->offset + 1, $resultsShown ) 01033 ->parse(); 01034 } 01035 $out .= Xml::tags( 'div', array( 'class' => 'results-info' ), 01036 Xml::tags( 'ul', null, Xml::tags( 'li', null, $top ) ) 01037 ); 01038 } 01039 01040 $out .= Xml::element( 'div', array( 'style' => 'clear:both' ), '', false ); 01041 $out .= Xml::closeElement('div'); 01042 01043 return $out; 01044 } 01045 01050 protected function shortDialog( $term ) { 01051 $out = Html::hidden( 'title', $this->getTitle()->getPrefixedText() ); 01052 $out .= Html::hidden( 'profile', $this->profile ) . "\n"; 01053 // Term box 01054 $out .= Html::input( 'search', $term, 'search', array( 01055 'id' => $this->profile === 'advanced' ? 'powerSearchText' : 'searchText', 01056 'size' => '50', 01057 'autofocus' 01058 ) ) . "\n"; 01059 $out .= Html::hidden( 'fulltext', 'Search' ) . "\n"; 01060 $out .= Xml::submitButton( $this->msg( 'searchbutton' )->text() ) . "\n"; 01061 return $out . $this->didYouMeanHtml; 01062 } 01063 01074 protected function makeSearchLink( $term, $namespaces, $label, $tooltip, $params = array() ) { 01075 $opt = $params; 01076 foreach( $namespaces as $n ) { 01077 $opt['ns' . $n] = 1; 01078 } 01079 $opt['redirs'] = $this->searchRedirects; 01080 01081 $stParams = array_merge( 01082 array( 01083 'search' => $term, 01084 'fulltext' => $this->msg( 'search' )->text() 01085 ), 01086 $opt 01087 ); 01088 01089 return Xml::element( 01090 'a', 01091 array( 01092 'href' => $this->getTitle()->getLocalURL( $stParams ), 01093 'title' => $tooltip), 01094 $label 01095 ); 01096 } 01097 01104 protected function startsWithImage( $term ) { 01105 global $wgContLang; 01106 01107 $p = explode( ':', $term ); 01108 if( count( $p ) > 1 ) { 01109 return $wgContLang->getNsIndex( $p[0] ) == NS_FILE; 01110 } 01111 return false; 01112 } 01113 01120 protected function startsWithAll( $term ) { 01121 01122 $allkeyword = $this->msg( 'searchall' )->inContentLanguage()->text(); 01123 01124 $p = explode( ':', $term ); 01125 if( count( $p ) > 1 ) { 01126 return $p[0] == $allkeyword; 01127 } 01128 return false; 01129 } 01130 01136 public function getSearchEngine() { 01137 if ( $this->searchEngine === null ) { 01138 $this->searchEngine = SearchEngine::create(); 01139 } 01140 return $this->searchEngine; 01141 } 01142 01152 public function setExtraParam( $key, $value ) { 01153 $this->extraParams[$key] = $value; 01154 } 01155 01156 }