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<?php
namespace MediaWiki\Widget\Search;
use Message;
use SearchResultSet;
use SpecialSearch;
use Status;
/**
* Renders the search result area. Handles Title and Full-Text search results,
* along with inline and sidebar secondary (interwiki) results.
*/
class BasicSearchResultSetWidget {
/** @var SpecialSearch */
protected $specialPage;
/** @var SearchResultWidget */
protected $resultWidget;
/** @var InterwikiSearchResultSetWidget */
protected $sidebarWidget;
public function __construct(
SpecialSearch $specialPage,
SearchResultWidget $resultWidget,
SearchResultSetWidget $sidebarWidget
) {
$this->specialPage = $specialPage;
$this->resultWidget = $resultWidget;
$this->sidebarWidget = $sidebarWidget;
}
/**
* @param string $term The search term to highlight
* @param int $offset The offset of the first result in the result set
* @param SearchResultSet|null $titleResultSet Results of searching only page titles
* @param SearchResultSet|null $textResultSet Results of general full text search.
* @return string HTML
*/
public function render(
$term,
$offset,
SearchResultSet $titleResultSet = null,
SearchResultSet $textResultSet = null
) {
global $wgContLang;
$hasTitle = $titleResultSet ? $titleResultSet->numRows() > 0 : false;
$hasText = $textResultSet ? $textResultSet->numRows() > 0 : false;
$hasSecondary = $textResultSet
? $textResultSet->hasInterwikiResults( SearchResultSet::SECONDARY_RESULTS )
: false;
$hasSecondaryInline = $textResultSet
? $textResultSet->hasInterwikiResults( SearchResultSet::INLINE_RESULTS )
: false;
if ( !$hasTitle && !$hasText && !$hasSecondary && !$hasSecondaryInline ) {
return '';
}
$out = '';
if ( $hasTitle ) {
$out .= $this->header( $this->specialPage->msg( 'titlematches' ) )
. $this->renderResultSet( $titleResultSet, $offset );
}
if ( $hasText ) {
if ( $hasTitle ) {
$out .= "<div class='mw-search-visualclear'></div>" .
$this->header( $this->specialPage->msg( 'textmatches' ) );
}
$out .= $this->renderResultSet( $textResultSet, $offset );
}
if ( $hasSecondaryInline ) {
$iwResults = $textResultSet->getInterwikiResults( SearchResultSet::INLINE_RESULTS );
foreach ( $iwResults as $interwiki => $results ) {
if ( $results instanceof Status || $results->numRows() === 0 ) {
// ignore bad interwikis for now
continue;
}
$out .=
"<h2 class='mw-search-interwiki-header mw-search-visualclear'>" .
$this->specialPage->msg( "search-interwiki-results-{$interwiki}" )->parse() .
"</h2>";
$out .= $this->renderResultSet( $results, $offset );
}
}
if ( $hasSecondary ) {
$out .= $this->sidebarWidget->render(
$term,
$textResultSet->getInterwikiResults( SearchResultSet::SECONDARY_RESULTS )
);
}
// Convert the whole thing to desired language variant
// TODO: Move this up to Special:Search?
return $wgContLang->convert( $out );
}
/**
* Generate a headline for a section of the search results. In prior
* implementations this was rendering wikitext of '==$1==', but seems
* a waste to call the full parser to generate this tiny bit of html
*
* @param Message $msg i18n message to use as header
* @return string HTML
*/
protected function header( Message $msg ) {
return "<h2>" .
"<span class='mw-headline'>" . $msg->escaped() . "</span>" .
"</h2>";
}
/**
* @param SearchResultSet $resultSet The search results to render
* @param int $offset Offset of the first result in $resultSet
* @return string HTML
*/
protected function renderResultSet( SearchResultSet $resultSet, $offset ) {
global $wgContLang;
$terms = $wgContLang->convertForSearchResult( $resultSet->termMatches() );
$hits = [];
$result = $resultSet->next();
while ( $result ) {
$hits[] .= $this->resultWidget->render( $result, $terms, $offset++ );
$result = $resultSet->next();
}
return "<ul class='mw-search-results'>" . implode( '', $hits ) . "</ul>";
}
}
|
